1PCI_CFG_ACCESS_LOCK(9)        Hardware Interfaces       PCI_CFG_ACCESS_LOCK(9)
2
3
4

NAME

6       pci_cfg_access_lock - Block userspace PCI config reads/writes
7

SYNOPSIS

9       void pci_cfg_access_lock(struct pci_dev * dev);
10

ARGUMENTS

12       dev
13           pci device struct
14

DESCRIPTION

16       When access is blocked, any userspace reads or writes to config space
17       and concurrent lock requests will sleep until access is allowed via
18       pci_cfg_access_unlocked again.
19

21Kernel Hackers Manual 2.6.         June 2019            PCI_CFG_ACCESS_LOCK(9)
Impressum