turnaround_policy_ideal.hh revision 12968
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IN NO EVENT SHALL THE COPYRIGHT 2912968Sgiacomo.travaglini@arm.com * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 3012968Sgiacomo.travaglini@arm.com * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 3112968Sgiacomo.travaglini@arm.com * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 3212968Sgiacomo.travaglini@arm.com * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 3312968Sgiacomo.travaglini@arm.com * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 3412968Sgiacomo.travaglini@arm.com * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 3512968Sgiacomo.travaglini@arm.com * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 3612968Sgiacomo.travaglini@arm.com * 3712968Sgiacomo.travaglini@arm.com * Authors: Matteo Andreozzi 3812968Sgiacomo.travaglini@arm.com */ 3912968Sgiacomo.travaglini@arm.com 4012968Sgiacomo.travaglini@arm.com#ifndef __MEM_QOS_TURNAROUND_POLICY_IDEAL_HH_ 4112968Sgiacomo.travaglini@arm.com#define __MEM_QOS_TURNAROUND_POLICY_IDEAL_HH_ 4212968Sgiacomo.travaglini@arm.com 4312968Sgiacomo.travaglini@arm.com#include "mem/qos/turnaround_policy.hh" 4412968Sgiacomo.travaglini@arm.com 4512968Sgiacomo.travaglini@arm.comnamespace QoS { 4612968Sgiacomo.travaglini@arm.com 4712968Sgiacomo.travaglini@arm.com/** 4812968Sgiacomo.travaglini@arm.com * Ideal QoS Bus Turnaround policy 4912968Sgiacomo.travaglini@arm.com * 5012968Sgiacomo.travaglini@arm.com * Selects bus state based purely on highest QoS priority 5112968Sgiacomo.travaglini@arm.com * queue with at least one packet. Tie breaks across read 5212968Sgiacomo.travaglini@arm.com * and write queues are resolved by selecting current bus 5312968Sgiacomo.travaglini@arm.com * state. 5412968Sgiacomo.travaglini@arm.com */ 5512968Sgiacomo.travaglini@arm.comclass TurnaroundPolicyIdeal: public TurnaroundPolicy 5612968Sgiacomo.travaglini@arm.com{ 5712968Sgiacomo.travaglini@arm.com public: 5812968Sgiacomo.travaglini@arm.com TurnaroundPolicyIdeal(const Params*); 5912968Sgiacomo.travaglini@arm.com 6012968Sgiacomo.travaglini@arm.com virtual ~TurnaroundPolicyIdeal(); 6112968Sgiacomo.travaglini@arm.com 6212968Sgiacomo.travaglini@arm.com /** 6312968Sgiacomo.travaglini@arm.com * Bus Selection function. 6412968Sgiacomo.travaglini@arm.com * 6512968Sgiacomo.travaglini@arm.com * @return selected bus state 6612968Sgiacomo.travaglini@arm.com */ 6712968Sgiacomo.travaglini@arm.com virtual MemCtrl::BusState selectBusState() override; 6812968Sgiacomo.travaglini@arm.com}; 6912968Sgiacomo.travaglini@arm.com 7012968Sgiacomo.travaglini@arm.com} // namespace QoS 7112968Sgiacomo.travaglini@arm.com 7212968Sgiacomo.travaglini@arm.com#endif /* __MEM_QOS_TURNAROUND_POLICY_IDEAL_HH_ */ 73