On Fri, Nov 11, 2022 at 02:55:04PM +0100, Thomas Gleixner wrote: > From: Ahmed S. Darwish <darwi@xxxxxxxxxxxxx> > > All exported device-driver MSI APIs are now grouped in one place at > drivers/pci/msi/api.c with comprehensive kernel-docs added. > > Reference these kernel-docs in the official PCI/MSI howto. > > Signed-off-by: Ahmed S. Darwish <darwi@xxxxxxxxxxxxx> > Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx> Acked-by: Bjorn Helgaas <bhelgaas@xxxxxxxxxx> > --- > Documentation/PCI/msi-howto.rst | 10 ++++++++++ > 1 file changed, 10 insertions(+) > --- > --- a/Documentation/PCI/msi-howto.rst > +++ b/Documentation/PCI/msi-howto.rst > @@ -285,3 +285,13 @@ to bridges between the PCI root and the > It is also worth checking the device driver to see whether it supports MSIs. > For example, it may contain calls to pci_alloc_irq_vectors() with the > PCI_IRQ_MSI or PCI_IRQ_MSIX flags. > + > + > +List of device drivers MSI(-X) APIs > +=================================== > + > +The PCI/MSI subystem has a dedicated C file for its exported device driver > +APIs — `drivers/pci/msi/api.c`. The following functions are exported: > + > +.. kernel-doc:: drivers/pci/msi/api.c > + :export: >
