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PCI_CFG_ACCESS_LOCK(9) | Hardware Interfaces | PCI_CFG_ACCESS_LOCK(9) |
NAME¶
pci_cfg_access_lock - Lock PCI config reads/writesSYNOPSIS¶
void
pci_cfg_access_lock(struct pci_dev * dev);
ARGUMENTS¶
devpci device struct
DESCRIPTION¶
When access is locked, any userspace reads or writes to config space and concurrent lock requests will sleep until access is allowed via pci_cfg_access_unlocked again.COPYRIGHT¶
January 2017 | Kernel Hackers Manual 4.8. |