xref: /freebsd/sys/dev/isci/scil/scif_config_parameters.h (revision 8ddb146abcdf061be9f2c0db7e391697dafad85c)
1 /*-
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9  * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved.
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56 #ifndef _SCIF_SAS_USER_PARAMETERS_H_
57 #define _SCIF_SAS_USER_PARAMETERS_H_
58 
59 /**
60  * @file
61  *
62  * @brief This file contains all of the interface methods that can be called
63  *        by an SCIF user on a SCIF_SAS_USER_PARAMETERS object.
64  */
65 
66 #ifdef __cplusplus
67 extern "C" {
68 #endif // __cplusplus
69 
70 #include <dev/isci/scil/sci_types.h>
71 #include <dev/isci/scil/sci_status.h>
72 #include <dev/isci/scil/intel_sas.h>
73 
74 
75 /**
76  * @struct SCIF_SAS_USER_PARAMETERS
77  *
78  * @brief This structure delineates the various user parameters that can be
79  *        changed by the framework user.
80  */
81 typedef struct SCIF_SAS_USER_PARAMETERS
82 {
83    /**
84     * This field indicates if the user would like to have the SATA NCQ
85     * feature enabled for all remote devices.
86     */
87    BOOL  is_sata_ncq_enabled;
88 
89    /**
90     * This field indicates if the user would like to have the SATA Automatic
91     * Standby Timer feature enabled for all remote devices.
92     */
93    BOOL  is_sata_standby_timer_enabled;
94 
95    /**
96     * This field indicates if the user would like to have the SATA Non-zero
97     * Buffer Offset feature enabled for all remote devices.
98     */
99    BOOL  is_non_zero_buffer_offsets_enabled;
100 
101    /**
102     * This field indicates if the user would like to clear affiliation for EA
103     * SATA devices during the controller stop process.
104     */
105    BOOL  clear_affiliation_during_controller_stop;
106 
107    /**
108     * This field indicates the user's desired NCQ depth for all remote
109     * devices.  The maximum legal value for this field is 32.
110     */
111    U16  max_ncq_depth;
112 
113    /**
114     * This field indicates the type of reset to be applied to all remote
115     * devices the first time they are discovered.
116     */
117    SCI_SAS_TASK_MGMT_FUNCTION_T  reset_type;
118 
119    /**
120     * This field indicates the os/user recommends ignoring fua in translation
121     * for performance reasons.
122     */
123    BOOL  ignore_fua;
124 
125 } SCIF_SAS_USER_PARAMETERS_T;
126 
127 /**
128  * @union SCIF_USER_PARAMETERS
129  * @brief This structure/union specifies the various different user
130  *        parameter sets available.  Each type is specific to a
131  *        Serial Attached SCSI implementation of the framework.
132  *
133  */
134 typedef union SCIF_USER_PARAMETERS
135 {
136    SCIF_SAS_USER_PARAMETERS_T sas;
137 
138 } SCIF_USER_PARAMETERS_T;
139 
140 /**
141  * @brief This method allows the user to attempt to change the user
142  *        parameters utilized by the controller.
143  *
144  * @param[in] controller This parameter specifies the controller on which
145  *            to set the user parameters.
146  * @param[in] user_parameters This parameter specifies the USER_PARAMETERS
147  *            object containing the potential new values.
148  *
149  * @return Indicate if the update of the user parameters was successful.
150  * @retval SCI_SUCCESS This value is returned if the operation succeeded.
151  * @retval SCI_FAILURE_INVALID_STATE This value is returned if the attempt
152  *         to change the user parameter failed, because changing one of
153  *         the parameters is not currently allowed.
154  * @retval SCI_FAILURE_INVALID_PARAMETER_VALUE This value is returned if the
155  *         user supplied an invalid reset_type, ncq depth, etc.
156  */
157 SCI_STATUS scif_user_parameters_set(
158    SCI_CONTROLLER_HANDLE_T  controller,
159    SCIF_USER_PARAMETERS_T * user_parameters
160 );
161 
162 /**
163  * @brief This method allows the user to retrieve the user parameters
164  *        utilized by the controller.
165  *
166  * @param[in] controller This parameter specifies the controller on which
167  *            to set the user parameters.
168  * @param[in] user_parameters This parameter specifies the USER_PARAMETERS
169  *            object into which the framework shall save it's parameters.
170  *
171  * @return none
172  */
173 void scif_user_parameters_get(
174    SCI_CONTROLLER_HANDLE_T  controller,
175    SCIF_USER_PARAMETERS_T * user_parameters
176 );
177 
178 #ifdef __cplusplus
179 }
180 #endif // __cplusplus
181 
182 #endif // _SCIF_SAS_USER_PARAMETERS_H_
183 
184