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56 #ifndef _SCIC_SDS_USER_PARAMETERS_H_
57 #define _SCIC_SDS_USER_PARAMETERS_H_
60 * This file contains all of the structure definitions and interface methods
61 * that can be called by a SCIC user on the SCU Driver Standard
62 * (struct scic_sds_user_parameters) user parameter block.
68 #include "sci_status.h"
69 #include "intel_sas.h"
70 #include "sci_controller_constants.h"
72 struct scic_sds_controller;
77 * SCIC_SDS_PARM_PHY_SPEED These constants define the speeds utilized for a
80 #define SCIC_SDS_PARM_NO_SPEED 0
85 * This value of 1 indicates generation 1 (i.e. 1.5 Gb/s).
87 #define SCIC_SDS_PARM_GEN1_SPEED 1
92 * This value of 2 indicates generation 2 (i.e. 3.0 Gb/s).
94 #define SCIC_SDS_PARM_GEN2_SPEED 2
99 * This value of 3 indicates generation 3 (i.e. 6.0 Gb/s).
101 #define SCIC_SDS_PARM_GEN3_SPEED 3
106 * For range checks, the max speed generation
108 #define SCIC_SDS_PARM_MAX_SPEED SCIC_SDS_PARM_GEN3_SPEED
111 * struct scic_sds_user_parameters - This structure delineates the various user
112 * parameters that can be changed by the core user.
116 struct scic_sds_user_parameters {
117 struct sci_phy_user_params {
119 * This field specifies the NOTIFY (ENABLE SPIN UP) primitive
120 * insertion frequency for this phy index.
122 u32 notify_enable_spin_up_insertion_frequency;
125 * This method specifies the number of transmitted DWORDs within which
126 * to transmit a single ALIGN primitive. This value applies regardless
127 * of what type of device is attached or connection state. A value of
128 * 0 indicates that no ALIGN primitives will be inserted.
130 u16 align_insertion_frequency;
133 * This method specifies the number of transmitted DWORDs within which
134 * to transmit 2 ALIGN primitives. This applies for SAS connections
135 * only. A minimum value of 3 is required for this field.
137 u16 in_connection_align_insertion_frequency;
140 * This field indicates the maximum speed generation to be utilized
141 * by phys in the supplied port.
142 * - A value of 1 indicates generation 1 (i.e. 1.5 Gb/s).
143 * - A value of 2 indicates generation 2 (i.e. 3.0 Gb/s).
144 * - A value of 3 indicates generation 3 (i.e. 6.0 Gb/s).
146 u8 max_speed_generation;
148 } phys[SCI_MAX_PHYS];
151 * This field specifies the maximum number of direct attached devices
152 * that can have power supplied to them simultaneously.
154 u8 max_number_concurrent_device_spin_up;
157 * This field specifies the number of seconds to allow a phy to consume
158 * power before yielding to another phy.
161 u8 phy_spin_up_delay_interval;
164 * These timer values specifies how long a link will remain open with no
165 * activity in increments of a microsecond, it can be in increments of
166 * 100 microseconds if the upper most bit is set.
169 u16 stp_inactivity_timeout;
170 u16 ssp_inactivity_timeout;
173 * These timer values specifies how long a link will remain open in increments
174 * of 100 microseconds.
177 u16 stp_max_occupancy_timeout;
178 u16 ssp_max_occupancy_timeout;
181 * This timer value specifies how long a link will remain open with no
182 * outbound traffic in increments of a microsecond.
185 u8 no_outbound_task_timeout;
190 * This structure/union specifies the various different user parameter sets
191 * available. Each type is specific to a hardware controller version.
193 * union scic_user_parameters
195 union scic_user_parameters {
197 * This field specifies the user parameters specific to the
198 * Storage Controller Unit (SCU) Driver Standard (SDS) version
201 struct scic_sds_user_parameters sds1;
209 * SCIC_SDS_OEM_PHY_MASK These constants define the valid values for phy_mask
215 * This is the min value assignable to a port's phy mask
217 #define SCIC_SDS_PARM_PHY_MASK_MIN 0x0
222 * This is the max value assignable to a port's phy mask
224 #define SCIC_SDS_PARM_PHY_MASK_MAX 0xF
227 * struct scic_sds_oem_parameters - This structure delineates the various OEM
228 * parameters that must be set the core user.
232 struct scic_sds_oem_parameters {
235 * This field indicates whether Spread Spectrum Clocking (SSC)
236 * should be enabled or disabled.
244 * This field specifies the phys to be contained inside a port.
245 * The bit position in the mask specifies the index of the phy
246 * to be contained in the port. Multiple bits (i.e. phys)
247 * can be contained in a single port.
251 } ports[SCI_MAX_PORTS];
253 struct sci_phy_oem_params {
255 * This field specifies the SAS address to be transmitted on
256 * for this phy index.
258 struct sci_sas_address sas_address;
260 } phys[SCI_MAX_PHYS];
265 * This structure/union specifies the various different OEM parameter sets
266 * available. Each type is specific to a hardware controller version.
268 * union scic_oem_parameters
270 union scic_oem_parameters {
272 * This field specifies the OEM parameters specific to the
273 * Storage Controller Unit (SCU) Driver Standard (SDS) version
276 struct scic_sds_oem_parameters sds1;
281 * scic_user_parameters_set() - This method allows the user to attempt to
282 * change the user parameters utilized by the controller.
283 * @controller: This parameter specifies the controller on which to set the
285 * @user_parameters: This parameter specifies the USER_PARAMETERS object
286 * containing the potential new values.
288 * Indicate if the update of the user parameters was successful. SCI_SUCCESS
289 * This value is returned if the operation succeeded. SCI_FAILURE_INVALID_STATE
290 * This value is returned if the attempt to change the user parameter failed,
291 * because changing one of the parameters is not currently allowed.
292 * SCI_FAILURE_INVALID_PARAMETER_VALUE This value is returned if the user
293 * supplied an invalid interrupt coalescence time, spin up delay interval, etc.
295 enum sci_status scic_user_parameters_set(
296 struct scic_sds_controller *controller,
297 union scic_user_parameters *user_parameters);
300 * scic_user_parameters_get() - This method allows the user to retrieve the
301 * user parameters utilized by the controller.
302 * @controller: This parameter specifies the controller on which to set the
304 * @user_parameters: This parameter specifies the USER_PARAMETERS object into
305 * which the framework shall save it's parameters.
308 void scic_user_parameters_get(
309 struct scic_sds_controller *controller,
310 union scic_user_parameters *user_parameters);
313 * scic_oem_parameters_set() - This method allows the user to attempt to change
314 * the OEM parameters utilized by the controller.
315 * @controller: This parameter specifies the controller on which to set the
317 * @oem_parameters: This parameter specifies the OEM parameters object
318 * containing the potential new values.
320 * Indicate if the update of the user parameters was successful. SCI_SUCCESS
321 * This value is returned if the operation succeeded. SCI_FAILURE_INVALID_STATE
322 * This value is returned if the attempt to change the user parameter failed,
323 * because changing one of the parameters is not currently allowed.
324 * SCI_FAILURE_INVALID_PARAMETER_VALUE This value is returned if the user
325 * supplied an unsupported value for one of the OEM parameters.
327 enum sci_status scic_oem_parameters_set(
328 struct scic_sds_controller *controller,
329 union scic_oem_parameters *oem_parameters);
332 * scic_oem_parameters_get() - This method allows the user to retreive the OEM
333 * parameters utilized by the controller.
334 * @controller: This parameter specifies the controller on which to set the
336 * @oem_parameters: This parameter specifies the OEM parameters object in which
337 * to write the core's OEM parameters.
340 void scic_oem_parameters_get(
341 struct scic_sds_controller *controller,
342 union scic_oem_parameters *oem_parameters);
345 #endif /* _SCIC_SDS_USER_PARAMETERS_H_ */