Scroll to navigation

PCI_BLOCK_USER_CFG_A(9) Hardware Interfaces PCI_BLOCK_USER_CFG_A(9)

NAME

pci_block_user_cfg_access - Block userspace PCI config reads/writes

SYNOPSIS

void pci_block_user_cfg_access(struct pci_dev * dev);

ARGUMENTS

dev
pci device struct

DESCRIPTION

When user access is blocked, any reads or writes to config space will sleep until access is unblocked again. We don't allow nesting of block/unblock calls.

COPYRIGHT

March 2016 Kernel Hackers Manual 3.2.