pci_enable_msi_block man page on Scientific

pci_enable_msi_block man page on Scientific

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PCI_ENABLE_MSI_BLOCK(9)	      Hardware Interfaces      PCI_ENABLE_MSI_BLOCK(9)

NAME
       pci_enable_msi_block - configure device´s MSI capability structure

SYNOPSIS
       int pci_enable_msi_block(struct pci_dev * dev, unsigned int nvec);

ARGUMENTS
       dev
	   device to configure

       nvec
	   number of interrupts to configure

DESCRIPTION
       Allocate IRQs for a device with the MSI capability. This function
       returns a negative errno if an error occurs. If it is unable to
       allocate the number of interrupts requested, it returns the number of
       interrupts it might be able to allocate. If it successfully allocates
       at least the number of interrupts requested, it returns 0 and updates
       the dev´s irq member to the lowest new interrupt number; the other
       interrupt numbers allocated to this device are consecutive.

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

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