x86 gart: rename iommu.h to gart.h

This patch renames the include file asm-x86/iommu.h to asm-x86/gart.h to make
clear to which IOMMU implementation it belongs. The patch also adds "GART" to
the Kconfig line.

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Acked-by: Muli Ben-Yehuda <muli@il.ibm.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

diff --git a/arch/x86/Kconfig.x86_64 b/arch/x86/Kconfig.x86_64
index e2542e5..acb2949 100644 (file)
--- a/arch/x86/Kconfig.x86_64
+++ b/arch/x86/Kconfig.x86_64
@@ -480,7 +480,7 @@ config HPET_EMULATE_RTC
 # Mark as embedded because too many people got it wrong.
 # The code disables itself when not needed.
 config IOMMU
-       bool "IOMMU support" if EMBEDDED
+       bool "GART IOMMU support" if EMBEDDED
        default y
        select SWIOTLB
        select AGP

diff --git a/arch/x86/kernel/aperture_64.c b/arch/x86/kernel/aperture_64.c
index 8f681ca..70c854f 100644 (file)
--- a/arch/x86/kernel/aperture_64.c
+++ b/arch/x86/kernel/aperture_64.c
@@ -20,7 +20,7 @@
 #include <linux/ioport.h>
 #include <asm/e820.h>
 #include <asm/io.h>
-#include <asm/iommu.h>
+#include <asm/gart.h>
 #include <asm/pci-direct.h>
 #include <asm/dma.h>
 #include <asm/k8.h>

diff --git a/arch/x86/kernel/early-quirks.c b/arch/x86/kernel/early-quirks.c
index 639e632..95e0de9 100644 (file)
--- a/arch/x86/kernel/early-quirks.c
+++ b/arch/x86/kernel/early-quirks.c
@@ -18,7 +18,7 @@
 #include <asm/apic.h>
 
 #ifdef CONFIG_IOMMU
-#include <asm/iommu.h>
+#include <asm/gart.h>
 #endif
 
 static void __init via_bugs(void)

diff --git a/arch/x86/kernel/pci-calgary_64.c b/arch/x86/kernel/pci-calgary_64.c
index 1a20fe3..6bf1f71 100644 (file)
--- a/arch/x86/kernel/pci-calgary_64.c
+++ b/arch/x86/kernel/pci-calgary_64.c
@@ -36,7 +36,7 @@
 #include <linux/pci.h>
 #include <linux/delay.h>
 #include <linux/scatterlist.h>
-#include <asm/iommu.h>
+#include <asm/gart.h>
 #include <asm/calgary.h>
 #include <asm/tce.h>
 #include <asm/pci-direct.h>

diff --git a/arch/x86/kernel/pci-dma_64.c b/arch/x86/kernel/pci-dma_64.c
index 393e272..730339f 100644 (file)
--- a/arch/x86/kernel/pci-dma_64.c
+++ b/arch/x86/kernel/pci-dma_64.c
@@ -9,7 +9,7 @@
 #include <linux/module.h>
 #include <linux/dmar.h>
 #include <asm/io.h>
-#include <asm/iommu.h>
+#include <asm/gart.h>
 #include <asm/calgary.h>
 
 int iommu_merge __read_mostly = 1;

diff --git a/arch/x86/kernel/pci-gart_64.c b/arch/x86/kernel/pci-gart_64.c
index 79b514b..c9ba80b 100644 (file)
--- a/arch/x86/kernel/pci-gart_64.c
+++ b/arch/x86/kernel/pci-gart_64.c
@@ -30,7 +30,7 @@
 #include <asm/mtrr.h>
 #include <asm/pgtable.h>
 #include <asm/proto.h>
-#include <asm/iommu.h>
+#include <asm/gart.h>
 #include <asm/cacheflush.h>
 #include <asm/swiotlb.h>
 #include <asm/dma.h>

diff --git a/arch/x86/kernel/pci-nommu_64.c b/arch/x86/kernel/pci-nommu_64.c
index faf70bd..ab08e18 100644 (file)
--- a/arch/x86/kernel/pci-nommu_64.c
+++ b/arch/x86/kernel/pci-nommu_64.c
@@ -7,7 +7,7 @@
 #include <linux/dma-mapping.h>
 #include <linux/scatterlist.h>
 
-#include <asm/iommu.h>
+#include <asm/gart.h>
 #include <asm/processor.h>
 #include <asm/dma.h>
 

diff --git a/arch/x86/kernel/pci-swiotlb_64.c b/arch/x86/kernel/pci-swiotlb_64.c
index b2f405e..102866d 100644 (file)
--- a/arch/x86/kernel/pci-swiotlb_64.c
+++ b/arch/x86/kernel/pci-swiotlb_64.c
@@ -5,7 +5,7 @@
 #include <linux/module.h>
 #include <linux/dma-mapping.h>
 
-#include <asm/iommu.h>
+#include <asm/gart.h>
 #include <asm/swiotlb.h>
 #include <asm/dma.h>
 

diff --git a/arch/x86/kernel/reboot_64.c b/arch/x86/kernel/reboot_64.c
index 776eb06..71b13c5 100644 (file)
--- a/arch/x86/kernel/reboot_64.c
+++ b/arch/x86/kernel/reboot_64.c
@@ -17,7 +17,7 @@
 #include <asm/pgtable.h>
 #include <asm/tlbflush.h>
 #include <asm/apic.h>
-#include <asm/iommu.h>
+#include <asm/gart.h>
 
 /*
  * Power off function, if any

diff --git a/drivers/pci/intel-iommu.c b/drivers/pci/intel-iommu.c
index 9b35259..8af1d9a 100644 (file)
--- a/drivers/pci/intel-iommu.c
+++ b/drivers/pci/intel-iommu.c
@@ -34,7 +34,7 @@
 #include "intel-iommu.h"
 #include <asm/proto.h> /* force_iommu in this header in x86-64*/
 #include <asm/cacheflush.h>
-#include <asm/iommu.h>
+#include <asm/gart.h>
 #include "pci.h"
 
 #define IS_GFX_DEVICE(pdev) ((pdev->class >> 16) == PCI_BASE_CLASS_DISPLAY)

diff --git a/include/asm-x86/gart.h b/include/asm-x86/gart.h
new file mode 100644 (file)
index 0000000..5af471f
--- /dev/null
+++ b/include/asm-x86/gart.h
@@ -0,0 +1,29 @@
+#ifndef _ASM_X8664_IOMMU_H
+#define _ASM_X8664_IOMMU_H 1
+
+extern void pci_iommu_shutdown(void);
+extern void no_iommu_init(void);
+extern int force_iommu, no_iommu;
+extern int iommu_detected;
+#ifdef CONFIG_IOMMU
+extern void gart_iommu_init(void);
+extern void gart_iommu_shutdown(void);
+extern void __init gart_parse_options(char *);
+extern void iommu_hole_init(void);
+extern int fallback_aper_order;
+extern int fallback_aper_force;
+extern int iommu_aperture;
+extern int iommu_aperture_allowed;
+extern int iommu_aperture_disabled;
+extern int fix_aperture;
+#else
+#define iommu_aperture 0
+#define iommu_aperture_allowed 0
+
+static inline void gart_iommu_shutdown(void)
+{
+}
+
+#endif
+
+#endif

diff --git a/include/asm-x86/iommu.h b/include/asm-x86/iommu.h
index 5af471f..07862fd 100644 (file)
--- a/include/asm-x86/iommu.h
+++ b/include/asm-x86/iommu.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_X8664_IOMMU_H
-#define _ASM_X8664_IOMMU_H 1
+#ifndef _ASM_X8664_GART_H
+#define _ASM_X8664_GART_H 1
 
 extern void pci_iommu_shutdown(void);
 extern void no_iommu_init(void);