| 摘要 |
To make it possible for multiple blades to share an SR-IOV device in the form that enables a hypervisor to acquire necessary information and to make a setting between itself and a PF. A computer system has multiple servers, an I/O device, an I/O switch for connecting these servers and the I/O device, and an I/O controller for managing the I/O switch, wherein the I/O device has one or more PF's, the I/O controller has a master PF driver for accessing the PF of the I/O device, the servers have respective slave PF drivers, these slave PF drivers transfer their requests to the master PF driver in order to use the PF of the I/O device, and the master PF driver accesses the PF of the I/O device as a proxy of the slave PF driver.
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