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-rw-r--r--arch/x86/include/asm/irq_remapping.h22
-rw-r--r--arch/x86/kernel/apic/io_apic.c17
-rw-r--r--drivers/iommu/intel_intr_remapping.c20
-rw-r--r--include/linux/dmar.h59
4 files changed, 26 insertions, 92 deletions
diff --git a/arch/x86/include/asm/irq_remapping.h b/arch/x86/include/asm/irq_remapping.h
deleted file mode 100644
index 0ddfc0b90adb..000000000000
--- a/arch/x86/include/asm/irq_remapping.h
+++ /dev/null
@@ -1,22 +0,0 @@
-#ifndef _ASM_X86_IRQ_REMAPPING_H
-#define _ASM_X86_IRQ_REMAPPING_H
-
-#define IRTE_DEST(dest) ((x2apic_mode) ? dest : dest << 8)
-
-#ifdef CONFIG_IRQ_REMAP
-static void irq_remap_modify_chip_defaults(struct irq_chip *chip);
-static inline bool irq_remapped(struct irq_cfg *cfg)
-{
- return cfg->irq_2_iommu.iommu != NULL;
-}
-#else
-static inline bool irq_remapped(struct irq_cfg *cfg)
-{
- return false;
-}
-static inline void irq_remap_modify_chip_defaults(struct irq_chip *chip)
-{
-}
-#endif
-
-#endif /* _ASM_X86_IRQ_REMAPPING_H */
diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c
index 3db693bda91d..073edd1d3c66 100644
--- a/arch/x86/kernel/apic/io_apic.c
+++ b/arch/x86/kernel/apic/io_apic.c
@@ -58,7 +58,6 @@
#include <asm/hypertransport.h>
#include <asm/setup.h>
#include <asm/intr_remapping.h>
-#include <asm/irq_remapping.h>
#include <asm/hpet.h>
#include <asm/hw_irq.h>
@@ -87,6 +86,22 @@ void __init set_io_apic_ops(const struct io_apic_ops *ops)
io_apic_ops = *ops;
}
+#ifdef CONFIG_IRQ_REMAP
+static void irq_remap_modify_chip_defaults(struct irq_chip *chip);
+static inline bool irq_remapped(struct irq_cfg *cfg)
+{
+ return cfg->irq_2_iommu.iommu != NULL;
+}
+#else
+static inline bool irq_remapped(struct irq_cfg *cfg)
+{
+ return false;
+}
+static inline void irq_remap_modify_chip_defaults(struct irq_chip *chip)
+{
+}
+#endif
+
/*
* Is the SiS APIC rmw bug present ?
* -1 = don't know, 0 = no, 1 = yes
diff --git a/drivers/iommu/intel_intr_remapping.c b/drivers/iommu/intel_intr_remapping.c
index a3bae67ec43c..7472634df350 100644
--- a/drivers/iommu/intel_intr_remapping.c
+++ b/drivers/iommu/intel_intr_remapping.c
@@ -64,7 +64,7 @@ int get_irte(int irq, struct irte *entry)
return 0;
}
-int alloc_irte(struct intel_iommu *iommu, int irq, u16 count)
+static int alloc_irte(struct intel_iommu *iommu, int irq, u16 count)
{
struct ir_table *table = iommu->ir_table;
struct irq_2_iommu *irq_iommu = irq_2_iommu(irq);
@@ -136,7 +136,7 @@ static int qi_flush_iec(struct intel_iommu *iommu, int index, int mask)
return qi_submit_sync(&desc, iommu);
}
-int map_irq_to_irte_handle(int irq, u16 *sub_handle)
+static int map_irq_to_irte_handle(int irq, u16 *sub_handle)
{
struct irq_2_iommu *irq_iommu = irq_2_iommu(irq);
unsigned long flags;
@@ -152,7 +152,7 @@ int map_irq_to_irte_handle(int irq, u16 *sub_handle)
return index;
}
-int set_irte_irq(int irq, struct intel_iommu *iommu, u16 index, u16 subhandle)
+static int set_irte_irq(int irq, struct intel_iommu *iommu, u16 index, u16 subhandle)
{
struct irq_2_iommu *irq_iommu = irq_2_iommu(irq);
unsigned long flags;
@@ -172,7 +172,7 @@ int set_irte_irq(int irq, struct intel_iommu *iommu, u16 index, u16 subhandle)
return 0;
}
-int modify_irte(int irq, struct irte *irte_modified)
+static int modify_irte(int irq, struct irte *irte_modified)
{
struct irq_2_iommu *irq_iommu = irq_2_iommu(irq);
struct intel_iommu *iommu;
@@ -200,7 +200,7 @@ int modify_irte(int irq, struct irte *irte_modified)
return rc;
}
-struct intel_iommu *map_hpet_to_ir(u8 hpet_id)
+static struct intel_iommu *map_hpet_to_ir(u8 hpet_id)
{
int i;
@@ -210,7 +210,7 @@ struct intel_iommu *map_hpet_to_ir(u8 hpet_id)
return NULL;
}
-struct intel_iommu *map_ioapic_to_ir(int apic)
+static struct intel_iommu *map_ioapic_to_ir(int apic)
{
int i;
@@ -220,7 +220,7 @@ struct intel_iommu *map_ioapic_to_ir(int apic)
return NULL;
}
-struct intel_iommu *map_dev_to_ir(struct pci_dev *dev)
+static struct intel_iommu *map_dev_to_ir(struct pci_dev *dev)
{
struct dmar_drhd_unit *drhd;
@@ -312,7 +312,7 @@ static void set_irte_sid(struct irte *irte, unsigned int svt,
irte->sid = sid;
}
-int set_ioapic_sid(struct irte *irte, int apic)
+static int set_ioapic_sid(struct irte *irte, int apic)
{
int i;
u16 sid = 0;
@@ -337,7 +337,7 @@ int set_ioapic_sid(struct irte *irte, int apic)
return 0;
}
-int set_hpet_sid(struct irte *irte, u8 id)
+static int set_hpet_sid(struct irte *irte, u8 id)
{
int i;
u16 sid = 0;
@@ -367,7 +367,7 @@ int set_hpet_sid(struct irte *irte, u8 id)
return 0;
}
-int set_msi_sid(struct irte *irte, struct pci_dev *dev)
+static int set_msi_sid(struct irte *irte, struct pci_dev *dev)
{
struct pci_dev *bridge;
diff --git a/include/linux/dmar.h b/include/linux/dmar.h
index 7a207a39f879..b029d1aa2d12 100644
--- a/include/linux/dmar.h
+++ b/include/linux/dmar.h
@@ -114,65 +114,6 @@ struct irte {
};
};
-#ifdef CONFIG_IRQ_REMAP
-extern int get_irte(int irq, struct irte *entry);
-extern int modify_irte(int irq, struct irte *irte_modified);
-extern int alloc_irte(struct intel_iommu *iommu, int irq, u16 count);
-extern int set_irte_irq(int irq, struct intel_iommu *iommu, u16 index,
- u16 sub_handle);
-extern int map_irq_to_irte_handle(int irq, u16 *sub_handle);
-
-extern struct intel_iommu *map_dev_to_ir(struct pci_dev *dev);
-extern struct intel_iommu *map_ioapic_to_ir(int apic);
-extern struct intel_iommu *map_hpet_to_ir(u8 id);
-extern int set_ioapic_sid(struct irte *irte, int apic);
-extern int set_hpet_sid(struct irte *irte, u8 id);
-extern int set_msi_sid(struct irte *irte, struct pci_dev *dev);
-#else
-static inline int alloc_irte(struct intel_iommu *iommu, int irq, u16 count)
-{
- return -1;
-}
-static inline int modify_irte(int irq, struct irte *irte_modified)
-{
- return -1;
-}
-static inline int map_irq_to_irte_handle(int irq, u16 *sub_handle)
-{
- return -1;
-}
-static inline int set_irte_irq(int irq, struct intel_iommu *iommu, u16 index,
- u16 sub_handle)
-{
- return -1;
-}
-static inline struct intel_iommu *map_dev_to_ir(struct pci_dev *dev)
-{
- return NULL;
-}
-static inline struct intel_iommu *map_ioapic_to_ir(int apic)
-{
- return NULL;
-}
-static inline struct intel_iommu *map_hpet_to_ir(unsigned int hpet_id)
-{
- return NULL;
-}
-static inline int set_ioapic_sid(struct irte *irte, int apic)
-{
- return 0;
-}
-static inline int set_hpet_sid(struct irte *irte, u8 id)
-{
- return -1;
-}
-static inline int set_msi_sid(struct irte *irte, struct pci_dev *dev)
-{
- return 0;
-}
-
-#endif
-
enum {
IRQ_REMAP_XAPIC_MODE,
IRQ_REMAP_X2APIC_MODE,