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    • 5. 发明授权
    • Updating I/O capability of a logically-partitioned computer system
    • 更新逻辑分区计算机系统的I / O功能
    • US08112561B2
    • 2012-02-07
    • US11967141
    • 2007-12-29
    • David Charles BoutcherCharles Scott GrahamHarvey Gene KielChetan MehtaJaya Srikrishnan
    • David Charles BoutcherCharles Scott GrahamHarvey Gene KielChetan MehtaJaya Srikrishnan
    • G06F3/00G06F13/12G06F9/00
    • G06F9/5077G06F8/656
    • A hosting partition update mechanism allows updating I/O capability of a logically-partitioned computer system in a way that minimally affects the performance and availability of I/O in the computer system. When an update is needed, a new hosting partition is created with the desired update(s). I/O adapters in the current hosting partition are then migrated to the new hosting partition. The migration of an I/O adapter from the current hosting partition to the new hosting partition is relatively fast, thereby minimally impacting system performance and availability of I/O. Once all of the I/O adapters have been migrated to the new hosting partition, the current hosting partition may be kept as a backup, or may be eliminated. Providing a new or backup hosting partition allows updates to be performed in the new or backup hosting partition in a non-disruptive manner while the current hosting partition continues to service I/O requests.
    • 托管分区更新机制允许以最小程度上影响计算机系统中I / O性能和可用性的方式更新逻辑分区计算机系统的I / O能力。 当需要更新时,将创建一个新的托管分区,并具有所需的更新。 当前主机分区中的I / O适配器随后被迁移到新的主机分区。 将I / O适配器从当前主机分区迁移到新的主机分区相对较快,从而最小程度上影响了系统性能和I / O的可用性。 一旦所有的I / O适配器都已经迁移到新的主机分区,当前的主机分区可能会保留作为备份,或者可能被删除。 提供新的或备份的主机分区允许在新的或备份主机分区中以不间断的方式执行更新,同时当前的主机分区继续维护I / O请求。
    • 10. 发明授权
    • Method of mapping multiple address spaces into single PCI bus
    • 将多个地址空间映射到单个PCI总线的方法
    • US06721839B1
    • 2004-04-13
    • US09748983
    • 2000-12-27
    • Ellen Marie BaumanDavid Lee DoschCharles Scott GrahamBrian Gerard HolthausDaniel Robert LippsDaniel Frank MoertlPaul Edward MovallDaniel Paul Wetzel
    • Ellen Marie BaumanDavid Lee DoschCharles Scott GrahamBrian Gerard HolthausDaniel Robert LippsDaniel Frank MoertlPaul Edward MovallDaniel Paul Wetzel
    • G06F1300
    • G06F13/404
    • A method and apparatus are provided for mapping multiple address spaces into a single bus, such as a single peripheral component interconnect (PCI) bus. The single bus is coupled to a first processor complex and a second processor complex. An original address of a memory access is shifted to a unique address space for each originator/target of an operation. The shifted address is used on the single bus. Then the shifted address is shifted back to the original address for completing the operation on a destination bus. The original address of a memory access is shifted to a unique address space for each originator/target of an operation using a respective predefined value (+X1, +X2, or +X3) for shifting the original address above a predefined boundary for each originator/target of the operation. Shifting back the shifted address to the original address for completing the operation on the destination bus uses a respective predefined value (−X1, −X2, or −X3) for the shifted back address to the original address for completing the operation on the destination bus. Using the shifted address on the single bus utilizes a dual address cycle (DAC) of the single bus for the shifted address. Completing the operation on a destination bus utilizes a single address cycle (SAC) of the destination bus for the shifted back address to the original address.
    • 提供了一种用于将多个地址空间映射到单个总线(诸如单个外围组件互连(PCI)总线)的方法和装置。 单总线耦合到第一处理器复合体和第二处理器复合体。 存储器访问的原始地址被移动到操作的每个发起者/目标的唯一地址空间。 移位的地址用于单总线。 然后将移位的地址移回原始地址,以完成目标总线上的操作。 使用相应的预定义值(+ X1,+ X2或+ X3)将存储器访问的原始地址移动到每个发起者/目标的唯一地址空间,用于将原始地址移动到每个发起者的预定边界之上 /目标的操作。 将移动的地址移动到原始地址以完成目的地总线上的操作,将移位后地址的相应预定义值(-X1,-X2或-X3)用于原始地址,以完成目标总线上的操作 。 使用单总线上的移位地址,可以使用单总线的双地址周期(DAC)作为移位地址。 在目的地总线上完成操作将目的地总线的单个地址周期(SAC)用于移位后地址到原始地址。