FreeBSD/Linux Kernel Cross Reference
sys/dev/isci/scil/scic_sds_stp_pio_request.h

     /*-
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      *
      * This file is provided under a dual BSD/GPLv2 license.  When using or
      * redistributing this file, you may do so under either license.
      *
      * GPL LICENSE SUMMARY
      *
      * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved.
     *
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     * it under the terms of version 2 of the GNU General Public License as
     * published by the Free Software Foundation.
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     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     * General Public License for more details.
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     * You should have received a copy of the GNU General Public License
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     * Foundation, Inc., 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
     * The full GNU General Public License is included in this distribution
     * in the file called LICENSE.GPL.
     *
     * BSD LICENSE
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     * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved.
     * All rights reserved.
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    #ifndef _SCIC_SDS_SATA_PIO_REQUEST_H_
    #define _SCIC_SDS_SATA_PIO_REQUEST_H_
    
    #ifdef __cplusplus
    extern "C" {
    #endif // __cplusplus
    
    #include <dev/isci/scil/sci_base_state.h>
    #include <dev/isci/scil/scic_sds_request.h>
    #include <dev/isci/scil/scu_task_context.h>
    
    /**
     * @file
     *
     * @brief This file contains the structures and constants for SATA PIO
     *        requests.
     */
    
    
    /**
     * @enum
     *
     * This is the enumeration of the SATA PIO DATA IN started substate machine.
     */
    enum _SCIC_SDS_STP_REQUEST_STARTED_PIO_SUBSTATES
    {
       /**
        * 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,
   
      SCIC_SDS_STP_REQUEST_STARTED_PIO_MAX_SUBSTATES
   };
   
   
   
   
   // ---------------------------------------------------------------------------
   
   extern SCIC_SDS_IO_REQUEST_STATE_HANDLER_T
      scic_sds_stp_request_started_pio_substate_handler_table[
         SCIC_SDS_STP_REQUEST_STARTED_PIO_MAX_SUBSTATES];
   
   extern SCI_BASE_STATE_T
      scic_sds_stp_request_started_pio_substate_table[
         SCIC_SDS_STP_REQUEST_STARTED_PIO_MAX_SUBSTATES];
   
   // ---------------------------------------------------------------------------
   
   SCU_SGL_ELEMENT_T * scic_sds_stp_request_pio_get_next_sgl(
      SCIC_SDS_STP_REQUEST_T * this_request
   );
   
   #ifdef __cplusplus
   }
   #endif // __cplusplus
   
   #endif   // _SCIC_SDS_SATA_PIO_REQUEST_H_

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