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    • 7. 发明申请
    • Information Processing Apparatus, Information Processing Method, and Program
    • 信息处理装置,信息处理方法和程序
    • US20100095037A1
    • 2010-04-15
    • US11916183
    • 2006-05-26
    • Hiroshi KyusojinHideki MatsumotoMasato KajimotoChiaki Yamana
    • Hiroshi KyusojinHideki MatsumotoMasato KajimotoChiaki Yamana
    • G06F13/24
    • G06F13/28
    • The present invention relates to an information processing apparatus, an information processing method and a program for simplifying an interrupt process to reduce time needed for the interrupt process. If it is determined in step S52 that a network card pointer and a CPU clear pointer fail to match each other, i.e., that there is a packet area corresponding to a packet used in an executed DMA transfer process and having not undergone a DMA transfer complete process, processing proceeds to step S53. An interrupt generator sets a completion status as an interrupt status and proceeds to step S54. In step S54, the interrupt generator generates an interrupt signal. If it is determined in step S52 that there is not a packet area corresponding to a packet used in an executed DMA transfer process and having not undergone a DMA transfer complete process, processing proceeds to step S55. The interrupt generator clears the completion status. The present invention is applicable to a network card, for example.
    • 本发明涉及一种信息处理装置,信息处理方法以及用于简化中断处理以减少中断处理所需时间的程序。 如果在步骤S52中确定网卡指针和CPU清除指针彼此不匹配,即,存在与执行的DMA传输处理中使用并且未经历DMA传输完成的分组相对应的分组区域 处理进入步骤S53。 中断发生器将完成状态设置为中断状态,并进入步骤S54。 在步骤S54中,中断发生器产生中断信号。 如果在步骤S52中确定没有与执行的DMA传输处理中使用的分组对应的分组区域,并且没有进行DMA传输完成处理,则处理进行到步骤S55。 中断产生器清除完成状态。 本发明例如适用于网卡。
    • 9. 发明授权
    • Information processing apparatus, method, and program for simplifying an interrupt process
    • 用于简化中断处理的信息处理装置,方法和程序
    • US08028114B2
    • 2011-09-27
    • US11916183
    • 2006-05-26
    • Hiroshi KyusojinHideki MatsumotoMasato KajimotoChiaki Yamana
    • Hiroshi KyusojinHideki MatsumotoMasato KajimotoChiaki Yamana
    • G06F13/24
    • G06F13/28
    • The present invention relates to an information processing apparatus, an information processing method and a program for simplifying an interrupt process to reduce time needed for the interrupt process. If it is determined in step S52 that a network card pointer and a CPU clear pointer fail to match each other, i.e., that there is a packet area corresponding to a packet used in an executed DMA transfer process and having not undergone a DMA transfer complete process, processing proceeds to step S53. An interrupt generator sets a completion status as an interrupt status and proceeds to step S54. In step S54, the interrupt generator generates an interrupt signal. If it is determined in step S52 that there is not a packet area corresponding to a packet used in an executed DMA transfer process and having not undergone a DMA transfer complete process, processing proceeds to step S55. The interrupt generator clears the completion status. The present invention is applicable to a network card, for example.
    • 本发明涉及一种信息处理装置,信息处理方法以及用于简化中断处理以减少中断处理所需时间的程序。 如果在步骤S52中确定网卡指针和CPU清除指针彼此不匹配,即,存在与执行的DMA传输处理中使用并且未经历DMA传输完成的分组相对应的分组区域 处理进入步骤S53。 中断发生器将完成状态设置为中断状态,并进入步骤S54。 在步骤S54中,中断发生器产生中断信号。 如果在步骤S52中确定没有与执行的DMA传输处理中使用的分组对应的分组区域,并且没有进行DMA传输完成处理,则处理进行到步骤S55。 中断产生器清除完成状态。 本发明例如适用于网卡。