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PCI_MSIX_VEC_COUNT(9) Hardware Interfaces PCI_MSIX_VEC_COUNT(9)

NAME

pci_msix_vec_count - return the number of device's MSI-X table entries

SYNOPSIS

int pci_msix_vec_count(struct pci_dev * dev);

ARGUMENTS

dev
pointer to the pci_dev data structure of MSI-X device function This function returns the number of device's MSI-X table entries and therefore the number of MSI-X vectors device is capable of sending. It returns a negative errno if the device is not capable of sending MSI-X interrupts.

COPYRIGHT

February 2017 Kernel Hackers Manual 3.16