iommu: Rename intr_remapping files to intel_intr_remapping

The files contain code mostly relevant for the Intel
implementation of interrupt remapping. Make that visible in
the file names. Also inline intr_remapping.h into
intr_remapping.c because it is only included there and the
content is very small. So there is no reason for a seperate
header file.

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>

drivers/iommu/Makefile

@@ -4,7 +4,7 @@ obj-$(CONFIG_AMD_IOMMU) += amd_iommu.o amd_iommu_init.o
 obj-$(CONFIG_AMD_IOMMU_V2) += amd_iommu_v2.o
 obj-$(CONFIG_DMAR_TABLE) += dmar.o
 obj-$(CONFIG_INTEL_IOMMU) += iova.o intel-iommu.o
-obj-$(CONFIG_IRQ_REMAP) += intr_remapping.o
+obj-$(CONFIG_IRQ_REMAP) += intel_intr_remapping.o
 obj-$(CONFIG_OMAP_IOMMU) += omap-iommu.o
 obj-$(CONFIG_OMAP_IOVMM) += omap-iovmm.o
 obj-$(CONFIG_OMAP_IOMMU_DEBUG) += omap-iommu-debug.o

drivers/iommu/intr_remapping.c → drivers/iommu/intel_intr_remapping.c

@@ -10,10 +10,25 @@
 #include <asm/smp.h>
 #include <asm/cpu.h>
 #include <linux/intel-iommu.h>
-#include "intr_remapping.h"
 #include <acpi/acpi.h>
 #include <asm/pci-direct.h>
 
+struct ioapic_scope {
+	struct intel_iommu *iommu;
+	unsigned int id;
+	unsigned int bus;	/* PCI bus number */
+	unsigned int devfn;	/* PCI devfn number */
+};
+
+struct hpet_scope {
+	struct intel_iommu *iommu;
+	u8 id;
+	unsigned int bus;
+	unsigned int devfn;
+};
+
+#define IR_X2APIC_MODE(mode) (mode ? (1 << 11) : 0)
+
 static struct ioapic_scope ir_ioapic[MAX_IO_APICS];
 static struct hpet_scope ir_hpet[MAX_HPET_TBS];
 static int ir_ioapic_num, ir_hpet_num;