1/*
2 * Copyright (c) 2012-2013 ARM Limited
3 * All rights reserved.
4 *
5 * The license below extends only to copyright in the software and shall
6 * not be construed as granting a license to any other intellectual
7 * property including but not limited to intellectual property relating
8 * to a hardware implementation of the functionality of the software

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89 public:
90 /**
91 * Reasons for caches to be blocked.
92 */
93 enum BlockedCause {
94 Blocked_NoMSHRs = MSHRQueue_MSHRs,
95 Blocked_NoWBBuffers = MSHRQueue_WriteBuffer,
96 Blocked_NoTargets,
97 NUM_BLOCKED_CAUSES
98 };
99
100 /**
101 * Reasons for cache to request a bus.
102 */
103 enum RequestCause {
104 Request_MSHR = MSHRQueue_MSHRs,

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163 public:
164
165 /** Do not accept any new requests. */
166 void setBlocked();
167
168 /** Return to normal operation and accept new requests. */
169 void clearBlocked();
170
171 protected:
172
173 CacheSlavePort(const std::string &_name, BaseCache *_cache,
174 const std::string &_label);
175
176 /** A normal packet queue used to store responses. */
177 SlavePacketQueue queue;
178

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