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56 #ifndef _SCI_CONTROLLER_CONSTANTS_H_
57 #define _SCI_CONTROLLER_CONSTANTS_H_
60 * This file contains constant values that change based on the type of core or
61 * framework being managed. These constants are exported in order to
62 * provide the user with information as to the bounds (i.e. how many) of
69 #ifdef SCIC_SDS_4_ENABLED
75 * This constant defines the maximum number of phy objects that can be
76 * supported for the SCU Driver Standard (SDS) library. This is tied directly
77 * to silicon capabilities.
79 #define SCI_MAX_PHYS (4)
86 * This constant defines the maximum number of port objects that can be
87 * supported for the SCU Driver Standard (SDS) library. This is tied directly
88 * to silicon capabilities.
90 #define SCI_MAX_PORTS SCI_MAX_PHYS
93 #ifndef SCI_MIN_SMP_PHYS
97 * This constant defines the minimum number of SMP phy objects that can be
98 * supported for a single expander level. This was determined by using 36
99 * physical phys and room for 2 virtual phys.
101 #define SCI_MIN_SMP_PHYS (38)
104 #ifndef SCI_MAX_SMP_PHYS
108 * This constant defines the maximum number of SMP phy objects that can be
109 * supported for the SCU Driver Standard (SDS) library. This number can be
110 * increased if required.
112 #define SCI_MAX_SMP_PHYS (384)
115 #ifndef SCI_MAX_REMOTE_DEVICES
119 * This constant defines the maximum number of remote device objects that can
120 * be supported for the SCU Driver Standard (SDS) library. This is tied
121 * directly to silicon capabilities.
123 #define SCI_MAX_REMOTE_DEVICES (256)
126 #ifndef SCI_MIN_REMOTE_DEVICES
130 * This constant defines the minimum number of remote device objects that can
131 * be supported for the SCU Driver Standard (SDS) library. This # can be
132 * configured for minimum memory environments to any value less than
133 * SCI_MAX_REMOTE_DEVICES
135 #define SCI_MIN_REMOTE_DEVICES (16)
138 #ifndef SCI_MAX_IO_REQUESTS
142 * This constant defines the maximum number of IO request objects that can be
143 * supported for the SCU Driver Standard (SDS) library. This is tied directly
144 * to silicon capabilities.
146 #define SCI_MAX_IO_REQUESTS (256)
149 #ifndef SCI_MIN_IO_REQUESTS
153 * This constant defines the minimum number of IO request objects that can be
154 * supported for the SCU Driver Standard (SDS) library. This # can be
155 * configured for minimum memory environments to any value less than
156 * SCI_MAX_IO_REQUESTS.
158 #define SCI_MIN_IO_REQUESTS (1)
161 #ifndef SCI_MAX_MSIX_MESSAGES
165 * This constant defines the maximum number of MSI-X interrupt vectors/messages
166 * supported for an SCU hardware controller instance.
168 #define SCI_MAX_MSIX_MESSAGES (2)
171 #ifndef SCI_MAX_SCATTER_GATHER_ELEMENTS
175 * This constant defines the maximum number of Scatter-Gather Elements to be
176 * used by any SCI component.
178 #define SCI_MAX_SCATTER_GATHER_ELEMENTS 130
181 #ifndef SCI_MIN_SCATTER_GATHER_ELEMENTS
185 * This constant defines the minimum number of Scatter-Gather Elements to be
186 * used by any SCI component.
188 #define SCI_MIN_SCATTER_GATHER_ELEMENTS 1
191 #else /* SCIC_SDS_4_ENABLED */
193 #error "SCI Core configuration left unspecified (e.g. SCIC_SDS_4_ENABLED)"
195 #endif /* SCIC_SDS_4_ENABLED */
200 * This constant defines the maximum number of controllers that can occur in a
201 * single silicon package.
203 #define SCI_MAX_CONTROLLERS 2
208 * The maximum number of supported domain objects is currently tied to the
209 * maximum number of support port objects.
211 #define SCI_MAX_DOMAINS SCI_MAX_PORTS
214 #endif /* _SCI_CONTROLLER_CONSTANTS_H_ */