diff options
Diffstat (limited to 'drivers/scsi/isci/remote_device.h')
-rw-r--r-- | drivers/scsi/isci/remote_device.h | 63 |
1 files changed, 57 insertions, 6 deletions
diff --git a/drivers/scsi/isci/remote_device.h b/drivers/scsi/isci/remote_device.h index 58637ee08f55..7674caae1d88 100644 --- a/drivers/scsi/isci/remote_device.h +++ b/drivers/scsi/isci/remote_device.h @@ -85,27 +85,38 @@ struct isci_remote_device { #define IDEV_GONE 3 #define IDEV_IO_READY 4 #define IDEV_IO_NCQERROR 5 + #define IDEV_RNC_LLHANG_ENABLED 6 + #define IDEV_ABORT_PATH_ACTIVE 7 + #define IDEV_ABORT_PATH_RESUME_PENDING 8 unsigned long flags; struct kref kref; struct isci_port *isci_port; struct domain_device *domain_dev; struct list_head node; - struct list_head reqs_in_process; struct sci_base_state_machine sm; u32 device_port_width; enum sas_linkrate connection_rate; - bool is_direct_attached; struct isci_port *owning_port; struct sci_remote_node_context rnc; /* XXX unify with device reference counting and delete */ u32 started_request_count; struct isci_request *working_request; u32 not_ready_reason; + scics_sds_remote_node_context_callback abort_resume_cb; + void *abort_resume_cbparam; }; #define ISCI_REMOTE_DEVICE_START_TIMEOUT 5000 /* device reference routines must be called under sci_lock */ +static inline struct isci_remote_device *isci_get_device( + struct isci_remote_device *idev) +{ + if (idev) + kref_get(&idev->kref); + return idev; +} + static inline struct isci_remote_device *isci_lookup_device(struct domain_device *dev) { struct isci_remote_device *idev = dev->lldd_dev; @@ -302,6 +313,8 @@ static inline void sci_remote_device_decrement_request_count(struct isci_remote_ idev->started_request_count--; } +void isci_dev_set_hang_detection_timeout(struct isci_remote_device *idev, u32 timeout); + enum sci_status sci_remote_device_frame_handler( struct isci_remote_device *idev, u32 frame_index); @@ -325,12 +338,50 @@ enum sci_status sci_remote_device_complete_io( struct isci_remote_device *idev, struct isci_request *ireq); -enum sci_status sci_remote_device_suspend( - struct isci_remote_device *idev, - u32 suspend_type); - void sci_remote_device_post_request( struct isci_remote_device *idev, u32 request); +enum sci_status sci_remote_device_terminate_requests( + struct isci_remote_device *idev); + +int isci_remote_device_is_safe_to_abort( + struct isci_remote_device *idev); + +enum sci_status +sci_remote_device_abort_requests_pending_abort( + struct isci_remote_device *idev); + +enum sci_status isci_remote_device_suspend( + struct isci_host *ihost, + struct isci_remote_device *idev); + +enum sci_status sci_remote_device_resume( + struct isci_remote_device *idev, + scics_sds_remote_node_context_callback cb_fn, + void *cb_p); + +enum sci_status isci_remote_device_resume_from_abort( + struct isci_host *ihost, + struct isci_remote_device *idev); + +enum sci_status isci_remote_device_reset( + struct isci_host *ihost, + struct isci_remote_device *idev); + +enum sci_status isci_remote_device_reset_complete( + struct isci_host *ihost, + struct isci_remote_device *idev); + +enum sci_status isci_remote_device_suspend_terminate( + struct isci_host *ihost, + struct isci_remote_device *idev, + struct isci_request *ireq); + +enum sci_status isci_remote_device_terminate_requests( + struct isci_host *ihost, + struct isci_remote_device *idev, + struct isci_request *ireq); +enum sci_status sci_remote_device_suspend(struct isci_remote_device *idev, + enum sci_remote_node_suspension_reasons reason); #endif /* !defined(_ISCI_REMOTE_DEVICE_H_) */ |