Data transfer via Host/PCI-X bridges

Details Data transfer via Host/PCI-X bridges Data transfer via Host/PCI-X bridges

2005-08-16

2005-08-16

Auve, Glenn A. (Department: 2111)

Electrical computers and digital data processing systems: input/

Intrasystem connection

Bus interface architecture

C710S313000

Reexamination Certificate

active

06931473

ABSTRACT:
Embodiments are provided in which a method is described for a processor to perform a task of accessing a PCI-X device via a PCI-X bridge, the PCI-X bridge including a processing circuit. The processor builds M read/write control blocks (RWCBs), M being a positive integer. Then, the processor signals the processing circuit and switches to another task. In response, the processing circuit fetches and processes the M RWCBs, one RWCB at a time, to access the PCI-X device. After processing the M RWCBs, the processing circuit interrupts the processor. In response, the processor obtains the result of the processing of the M RWCBs.

REFERENCES:
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patent: 2003/0046473 (2003-03-01), Dobson et al.
patent: 2003/0065847 (2003-04-01), Goodrum et al.

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