xref: /freebsd/sys/dev/isci/scil/scif_sas_task_request.h (revision 1c05a6ea6b849ff95e539c31adea887c644a6a01)
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54 #ifndef _SCIF_SAS_TASK_REQUEST_H_
55 #define _SCIF_SAS_TASK_REQUEST_H_
56 
57 /**
58  * @file
59  *
60  * @brief This file contains the protected interface structures, constants,
61  *        and methods for the SCIF_SAS_TASK_REQUEST object.
62  */
63 
64 #ifdef __cplusplus
65 extern "C" {
66 #endif // __cplusplus
67 
68 #include <dev/isci/scil/sati_translator_sequence.h>
69 #include <dev/isci/scil/scif_task_request.h>
70 #include <dev/isci/scil/sci_base_request.h>
71 #include <dev/isci/scil/scif_sas_request.h>
72 #include <dev/isci/scil/scif_sas_internal_io_request.h>
73 #include <dev/isci/scil/intel_sas.h>
74 
75 /**
76  * @struct SCIF_SAS_TASK_REQUEST
77  *
78  * @brief The SCI SAS Framework Task request object abstracts the SAS task
79  *        management behavior for the framework component.  Additionally,
80  *        it provides a higher level of abstraction for the core task
81  *        request object.
82  */
83 typedef struct SCIF_SAS_TASK_REQUEST
84 {
85    /**
86     * The SCIF_SAS_REQUEST is the parent object for the
87     * SCIF_SAS_TASK_REQUEST object.
88     */
89    SCIF_SAS_REQUEST_T  parent;
90 
91    /**
92     * This field contains the number of current requests affected by
93     * this task management request.  This number indicates all of the
94     * requests terminated in the silicon (including previous task requests).
95     */
96    U16  affected_request_count;
97 
98    /**
99     * This field specifies the tag for the IO request or the tag to be
100     * managed for a task management request.
101     * This field is utilized during internal IO requests.
102     */
103    U16  io_tag_to_manage;
104 
105    /**
106     * This field will be utilized to specify the task management function
107     * of this task request.
108     */
109    SCI_SAS_TASK_MGMT_FUNCTION_T function;
110 
111 } SCIF_SAS_TASK_REQUEST_T;
112 
113 extern SCI_BASE_STATE_T scif_sas_task_request_state_table[];
114 extern SCI_BASE_REQUEST_STATE_HANDLER_T
115    scif_sas_task_request_state_handler_table[];
116 
117 void scif_sas_task_request_operation_complete(
118    SCIF_SAS_TASK_REQUEST_T * fw_task
119 );
120 
121 U8 scif_sas_task_request_get_function(
122    SCIF_SAS_TASK_REQUEST_T * fw_task
123 );
124 
125 SCI_STATUS scif_sas_internal_task_request_construct(
126    SCI_CONTROLLER_HANDLE_T      scif_controller,
127    SCI_REMOTE_DEVICE_HANDLE_T   scif_remote_device,
128    U16                          io_tag,
129    void                       * task_request_memory,
130    SCI_TASK_REQUEST_HANDLE_T  * scif_task_request,
131    U8                           task_function
132 );
133 
134 void scif_sas_internal_task_request_destruct(
135    SCIF_SAS_TASK_REQUEST_T * fw_internal_task
136 );
137 
138 #ifdef __cplusplus
139 }
140 #endif // __cplusplus
141 
142 #endif // _SCIF_SAS_TASK_REQUEST_H_
143 
144