pci_enable_msix man page on Scientific

pci_enable_msix man page on Scientific

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PCI_ENABLE_MSIX(9)	      Hardware Interfaces	    PCI_ENABLE_MSIX(9)

NAME
       pci_enable_msix - configure device´s MSI-X capability structure

SYNOPSIS
       int pci_enable_msix(struct pci_dev * dev, struct msix_entry * entries,
			   int nvec);

ARGUMENTS
       dev
	   pointer to the pci_dev data structure of MSI-X device function

       entries
	   pointer to an array of MSI-X entries

       nvec
	   number of MSI-X irqs requested for allocation by device driver

DESCRIPTION
       Setup the MSI-X capability structure of device function with the number
       of requested irqs upon its software driver call to request for MSI-X
       mode enabled on its hardware device function. A return of zero
       indicates the successful configuration of MSI-X capability structure
       with new allocated MSI-X irqs. A return of < 0 indicates a failure. Or
       a return of > 0 indicates that driver request is exceeding the number
       of irqs or MSI-X vectors available. Driver should use the returned
       value to re-send its request.

COPYRIGHT
Kernel Hackers Manual 2.6.	 November 2013		    PCI_ENABLE_MSIX(9)

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