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path: root/drivers/scsi/isci/remote_device.h
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Diffstat (limited to 'drivers/scsi/isci/remote_device.h')
-rw-r--r--drivers/scsi/isci/remote_device.h63
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_) */