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PCI_COMMON_SWIZZLE(9) Hardware Interfaces PCI_COMMON_SWIZZLE(9)

NAME

pci_common_swizzle - swizzle INTx all the way to root bridge

SYNOPSIS

u8 pci_common_swizzle(struct pci_dev * dev, u8 * pinp);

ARGUMENTS

dev
the PCI device

pinp

pointer to the INTx pin value (1=INTA, 2=INTB, 3=INTD, 4=INTD)

DESCRIPTION

Perform INTx swizzling for a device. This traverses through all PCI-to-PCI bridges all the way up to a PCI root bus.

COPYRIGHT

April 2019 Kernel Hackers Manual 4.9.