pci: make MSI(-X) enable and disable methods of the PCI bus

Make the functions pci_disable_msi, pci_enable_msi and pci_enable_msix
methods of the newbus PCI bus. This code should not include any
functional change.

Sponsored by: Citrix Systems R&D
Reviewed by: imp, jhb
Differential Revision: https://reviews.freebsd.org/D354

dev/pci/pci.c:
 - Convert the mentioned functions to newbus methods.
 - Fix the callers of the converted functions.

sys/dev/pci/pci_private.h:
dev/pci/pci_if.m:
 - Declare the new methods.

dev/pci/pcivar.h:
 - Add helpers to call the newbus methods.

ofed/include/linux/pci.h:
 - Add define to prevent the ofed version of pci_enable_msix from
   clashing with the FreeBSD native version.

1 files changed, 18 insertions, 0 deletions

diff --git a/sys/dev/pci/pcivar.h b/sys/dev/pci/pcivar.h
index 0157ee7be46f..328197018a16 100644
--- a/sys/dev/pci/pcivar.h
+++ b/sys/dev/pci/pcivar.h
@@ -458,6 +458,24 @@ pci_alloc_msix(device_t dev, int *count)
     return (PCI_ALLOC_MSIX(device_get_parent(dev), dev, count));
 }
 
+static __inline void
+pci_enable_msi(device_t dev, uint64_t address, uint16_t data)
+{
+    PCI_ENABLE_MSI(device_get_parent(dev), dev, address, data);
+}
+
+static __inline void
+pci_enable_msix(device_t dev, u_int index, uint64_t address, uint32_t data)
+{
+    PCI_ENABLE_MSIX(device_get_parent(dev), dev, index, address, data);
+}
+
+static __inline void
+pci_disable_msi(device_t dev)
+{
+    PCI_DISABLE_MSI(device_get_parent(dev), dev);
+}
+
 static __inline int
 pci_remap_msix(device_t dev, int count, const u_int *vectors)
 {