pci_msi_vec_count9
Return the number of msi vectors a device can send
Usage
int pci_msi_vec_count(struct pci_dev * dev);
Arguments
dev
device to report about
Overview
This function returns the number of MSI vectors a device requested via Multiple Message Capable register. It returns a negative errno if the device is not capable sending MSI interrupts. Otherwise, the call succeeds and returns a power of two, up to a maximum of 2^5 (32), according to the MSI specification.
Releases
2 releases since Debian 8 (Jessie); the text changed 1 time.