sas_ata.h 2.7 KB

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  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. #ifndef _SAS_ATA_H_
  25. #define _SAS_ATA_H_
  26. #include <linux/libata.h>
  27. #include <scsi/libsas.h>
  28. #ifdef CONFIG_SCSI_SAS_ATA
  29. static inline int dev_is_sata(struct domain_device *dev)
  30. {
  31. return dev->dev_type == SAS_SATA_DEV || dev->dev_type == SAS_SATA_PM ||
  32. dev->dev_type == SAS_SATA_PM_PORT || dev->dev_type == SAS_SATA_PENDING;
  33. }
  34. int sas_get_ata_info(struct domain_device *dev, struct ex_phy *phy);
  35. int sas_ata_init(struct domain_device *dev);
  36. void sas_ata_task_abort(struct sas_task *task);
  37. void sas_ata_strategy_handler(struct Scsi_Host *shost);
  38. void sas_ata_eh(struct Scsi_Host *shost, struct list_head *work_q,
  39. struct list_head *done_q);
  40. void sas_ata_schedule_reset(struct domain_device *dev);
  41. void sas_ata_wait_eh(struct domain_device *dev);
  42. void sas_probe_sata(struct asd_sas_port *port);
  43. void sas_suspend_sata(struct asd_sas_port *port);
  44. void sas_resume_sata(struct asd_sas_port *port);
  45. void sas_ata_end_eh(struct ata_port *ap);
  46. #else
  47. static inline int dev_is_sata(struct domain_device *dev)
  48. {
  49. return 0;
  50. }
  51. static inline int sas_ata_init(struct domain_device *dev)
  52. {
  53. return 0;
  54. }
  55. static inline void sas_ata_task_abort(struct sas_task *task)
  56. {
  57. }
  58. static inline void sas_ata_strategy_handler(struct Scsi_Host *shost)
  59. {
  60. }
  61. static inline void sas_ata_eh(struct Scsi_Host *shost, struct list_head *work_q,
  62. struct list_head *done_q)
  63. {
  64. }
  65. static inline void sas_ata_schedule_reset(struct domain_device *dev)
  66. {
  67. }
  68. static inline void sas_ata_wait_eh(struct domain_device *dev)
  69. {
  70. }
  71. static inline void sas_probe_sata(struct asd_sas_port *port)
  72. {
  73. }
  74. static inline void sas_suspend_sata(struct asd_sas_port *port)
  75. {
  76. }
  77. static inline void sas_resume_sata(struct asd_sas_port *port)
  78. {
  79. }
  80. static inline int sas_get_ata_info(struct domain_device *dev, struct ex_phy *phy)
  81. {
  82. return 0;
  83. }
  84. static inline void sas_ata_end_eh(struct ata_port *ap)
  85. {
  86. }
  87. #endif
  88. #endif /* _SAS_ATA_H_ */