#include "isci.h"
#include "host.h"
#include "scu_task_context.h"
-#include "stp_request.h"
/**
* struct isci_request_status - This enum defines the possible states of an I/O
SCIC_STP_PROTOCOL
}; /* XXX remove me, use sas_task.{dev|task_proto} instead */;
+struct scic_sds_stp_request {
+ union {
+ u32 ncq;
+
+ u32 udma;
+
+ struct scic_sds_stp_pio_request {
+ /**
+ * Total transfer for the entire PIO request recorded at request constuction
+ * time.
+ *
+ * @todo Should we just decrement this value for each byte of data transitted
+ * or received to elemenate the current_transfer_bytes field?
+ */
+ u32 total_transfer_bytes;
+
+ /**
+ * Total number of bytes received/transmitted in data frames since the start
+ * of the IO request. At the end of the IO request this should equal the
+ * total_transfer_bytes.
+ */
+ u32 current_transfer_bytes;
+
+ /**
+ * The number of bytes requested in the in the PIO setup.
+ */
+ u32 pio_transfer_bytes;
+
+ /**
+ * PIO Setup ending status value to tell us if we need to wait for another FIS
+ * or if the transfer is complete. On the receipt of a D2H FIS this will be
+ * the status field of that FIS.
+ */
+ u8 ending_status;
+
+ /**
+ * On receipt of a D2H FIS this will be the ending error field if the
+ * ending_status has the SATA_STATUS_ERR bit set.
+ */
+ u8 ending_error;
+
+ struct scic_sds_request_pio_sgl {
+ struct scu_sgl_element_pair *sgl_pair;
+ u8 sgl_set;
+ u32 sgl_offset;
+ } request_current;
+ } pio;
+
+ struct {
+ /**
+ * The number of bytes requested in the PIO setup before CDB data frame.
+ */
+ u32 device_preferred_cdb_length;
+ } packet;
+ } type;
+};
+
struct scic_sds_request {
/**
* This field contains the information for the base request state machine.
*/
bool is_task_management_request;
- /**
- * This field indicates that this request contains an initialized started
- * substate machine.
- */
- bool has_started_substate_machine;
-
/**
* This field is a pointer to the stored rx frame data. It is used in STP
* internal requests and SMP response frames. If this field is non-NULL the
*/
u32 saved_rx_frame_index;
- /**
- * This field specifies the data necessary to manage the sub-state
- * machine executed while in the SCI_BASE_REQUEST_STATE_STARTED state.
- */
- struct sci_base_state_machine started_substate_machine;
-
/**
* This field specifies the current state handlers in place for this
* IO Request object. This field is updated each time the request
*/
SCI_BASE_REQUEST_STATE_STARTED,
+ SCIC_SDS_STP_REQUEST_STARTED_UDMA_AWAIT_TC_COMPLETION_SUBSTATE,
+ SCIC_SDS_STP_REQUEST_STARTED_UDMA_AWAIT_D2H_REG_FIS_SUBSTATE,
+
+ SCIC_SDS_STP_REQUEST_STARTED_NON_DATA_AWAIT_H2D_COMPLETION_SUBSTATE,
+ SCIC_SDS_STP_REQUEST_STARTED_NON_DATA_AWAIT_D2H_SUBSTATE,
+
+ SCIC_SDS_STP_REQUEST_STARTED_SOFT_RESET_AWAIT_H2D_ASSERTED_COMPLETION_SUBSTATE,
+ SCIC_SDS_STP_REQUEST_STARTED_SOFT_RESET_AWAIT_H2D_DIAGNOSTIC_COMPLETION_SUBSTATE,
+ SCIC_SDS_STP_REQUEST_STARTED_SOFT_RESET_AWAIT_D2H_RESPONSE_FRAME_SUBSTATE,
+
+ /**
+ * While in this state the IO request object is waiting for the TC completion
+ * notification for the H2D Register FIS
+ */
+ SCIC_SDS_STP_REQUEST_STARTED_PIO_AWAIT_H2D_COMPLETION_SUBSTATE,
+
+ /**
+ * While in this state the IO request object is waiting for either a PIO Setup
+ * FIS or a D2H register FIS. The type of frame received is based on the
+ * result of the prior frame and line conditions.
+ */
+ SCIC_SDS_STP_REQUEST_STARTED_PIO_AWAIT_FRAME_SUBSTATE,
+
+ /**
+ * While in this state the IO request object is waiting for a DATA frame from
+ * the device.
+ */
+ SCIC_SDS_STP_REQUEST_STARTED_PIO_DATA_IN_AWAIT_DATA_SUBSTATE,
+
+ /**
+ * While in this state the IO request object is waiting to transmit the next data
+ * frame to the device.
+ */
+ SCIC_SDS_STP_REQUEST_STARTED_PIO_DATA_OUT_TRANSMIT_DATA_SUBSTATE,
+
/**
* The AWAIT_TC_COMPLETION sub-state indicates that the started raw
* task management request is waiting for the transmission of the
};
-extern const struct sci_base_state scic_sds_io_request_started_task_mgmt_substate_table[];
-
/**
* scic_sds_request_get_controller() -
*
(scu_sge).address_modifier = 0; \
}
-void scic_sds_request_build_sgl(struct scic_sds_request *sci_req);
enum sci_status scic_sds_request_start(struct scic_sds_request *sci_req);
enum sci_status scic_sds_io_request_terminate(struct scic_sds_request *sci_req);
enum sci_status scic_sds_io_request_event_handler(struct scic_sds_request *sci_req,
enum sci_status scic_sds_io_request_frame_handler(struct scic_sds_request *sci_req,
u32 frame_index);
enum sci_status scic_sds_task_request_terminate(struct scic_sds_request *sci_req);
-enum sci_status scic_sds_request_started_state_abort_handler(struct scic_sds_request *sci_req);
-
/* XXX open code in caller */
static inline void *scic_request_get_virt_addr(struct scic_sds_request *sci_req,
struct scic_sds_request *sci_req);
enum sci_status scic_task_request_construct_ssp(struct scic_sds_request *sci_req);
enum sci_status scic_task_request_construct_sata(struct scic_sds_request *sci_req);
+enum sci_status scic_sds_stp_udma_request_construct(struct scic_sds_request *sci_req,
+ u32 transfer_length,
+ enum dma_data_direction dir);
void scic_stp_io_request_set_ncq_tag(struct scic_sds_request *sci_req, u16 ncq_tag);
void scic_sds_smp_request_copy_response(struct scic_sds_request *sci_req);
#endif /* !defined(_ISCI_REQUEST_H_) */
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