iommu/vt-d: Convert MSI remapping setup to remap_ops
This patch introduces remapping-ops for setting ups MSI
interrupts.
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Acked-by: Yinghai Lu <yinghai@kernel.org>
Cc: David Woodhouse <dwmw2@infradead.org>
Cc: Alex Williamson <alex.williamson@redhat.com>
Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com>
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
diff --git a/arch/x86/include/asm/intr_remapping.h b/arch/x86/include/asm/intr_remapping.h
index a195b7d..a6afd6e 100644
--- a/arch/x86/include/asm/intr_remapping.h
+++ b/arch/x86/include/asm/intr_remapping.h
@@ -26,6 +26,7 @@
struct IO_APIC_route_entry;
struct io_apic_irq_attr;
+struct pci_dev;
extern int intr_remapping_enabled;
@@ -44,6 +45,13 @@
const struct cpumask *mask,
bool force);
extern void intr_free_irq(int irq);
+extern void intr_compose_msi_msg(struct pci_dev *pdev,
+ unsigned int irq, unsigned int dest,
+ struct msi_msg *msg, u8 hpet_id);
+extern int intr_msi_alloc_irq(struct pci_dev *pdev, int irq, int nvec);
+extern int intr_msi_setup_irq(struct pci_dev *pdev, unsigned int irq,
+ int index, int sub_handle);
+extern int intr_setup_hpet_msi(unsigned int irq, unsigned int id);
#else /* CONFIG_IRQ_REMAP */
@@ -70,6 +78,24 @@
return 0;
}
static inline void intr_free_irq(int irq) { }
+static inline void intr_compose_msi_msg(struct pci_dev *pdev,
+ unsigned int irq, unsigned int dest,
+ struct msi_msg *msg, u8 hpet_id)
+{
+}
+static inline int intr_msi_alloc_irq(struct pci_dev *pdev, int irq, int nvec)
+{
+ return -ENODEV;
+}
+static inline int intr_msi_setup_irq(struct pci_dev *pdev, unsigned int irq,
+ int index, int sub_handle)
+{
+ return -ENODEV;
+}
+static inline int intr_setup_hpet_msi(unsigned int irq, unsigned int id)
+{
+ return -ENODEV;
+}
#endif /* CONFIG_IRQ_REMAP */
#endif /* __X86_INTR_REMAPPING_H */