Message ID | 20211206210438.742297272@linutronix.de (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
Series | genirq/msi, PCI/MSI: Spring cleaning - Part 2 | expand |
On Mon, Dec 06, 2021 at 11:39:28PM +0100, Thomas Gleixner wrote: > instead of fiddling with MSI descriptors. > > Signed-off-by: Thomas Gleixner <tglx@linutronix.de> > Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> > Reviewed-by: Jason Gunthorpe <jgg@nvidia.com> > arch/x86/pci/xen.c | 6 ++---- > 1 file changed, 2 insertions(+), 4 deletions(-) > > +++ b/arch/x86/pci/xen.c > @@ -399,9 +399,7 @@ static void xen_teardown_msi_irqs(struct > > static void xen_pv_teardown_msi_irqs(struct pci_dev *dev) > { > - struct msi_desc *msidesc = first_pci_msi_entry(dev); > - > - if (msidesc->pci.msi_attrib.is_msix) > + if (msi_device_has_property(&dev->dev, MSI_PROP_PCI_MSIX)) > xen_pci_frontend_disable_msix(dev); > else > xen_pci_frontend_disable_msi(dev); Same remark as for power, we have a pci_dev, so can it be dev->msix_enabled? > @@ -417,7 +415,7 @@ static int xen_msi_domain_alloc_irqs(str > if (WARN_ON_ONCE(!dev_is_pci(dev))) > return -EINVAL; > > - if (first_msi_entry(dev)->pci.msi_attrib.is_msix) > + if (msi_device_has_property(dev, MSI_PROP_PCI_MSIX)) And this WARNS if it is not a pci_dev, so same Jason
On Wed, Dec 08 2021 at 11:53, Jason Gunthorpe wrote: > On Mon, Dec 06, 2021 at 11:39:28PM +0100, Thomas Gleixner wrote: >> static void xen_pv_teardown_msi_irqs(struct pci_dev *dev) >> { >> - struct msi_desc *msidesc = first_pci_msi_entry(dev); >> - >> - if (msidesc->pci.msi_attrib.is_msix) >> + if (msi_device_has_property(&dev->dev, MSI_PROP_PCI_MSIX)) >> xen_pci_frontend_disable_msix(dev); >> else >> xen_pci_frontend_disable_msi(dev); > > Same remark as for power, we have a pci_dev, so can it be > dev->msix_enabled? Yes, let me rework that.
--- a/arch/x86/pci/xen.c +++ b/arch/x86/pci/xen.c @@ -399,9 +399,7 @@ static void xen_teardown_msi_irqs(struct static void xen_pv_teardown_msi_irqs(struct pci_dev *dev) { - struct msi_desc *msidesc = first_pci_msi_entry(dev); - - if (msidesc->pci.msi_attrib.is_msix) + if (msi_device_has_property(&dev->dev, MSI_PROP_PCI_MSIX)) xen_pci_frontend_disable_msix(dev); else xen_pci_frontend_disable_msi(dev); @@ -417,7 +415,7 @@ static int xen_msi_domain_alloc_irqs(str if (WARN_ON_ONCE(!dev_is_pci(dev))) return -EINVAL; - if (first_msi_entry(dev)->pci.msi_attrib.is_msix) + if (msi_device_has_property(dev, MSI_PROP_PCI_MSIX)) type = PCI_CAP_ID_MSIX; else type = PCI_CAP_ID_MSI;