diff options
| -rw-r--r-- | arch/x86/Kconfig | 2 | ||||
| -rw-r--r-- | arch/x86/include/asm/dma-mapping.h | 2 | ||||
| -rw-r--r-- | arch/x86/include/asm/gart.h | 33 | ||||
| -rw-r--r-- | arch/x86/include/asm/io.h | 2 | ||||
| -rw-r--r-- | arch/x86/include/asm/io_64.h | 2 | ||||
| -rw-r--r-- | arch/x86/include/asm/iommu.h | 33 | ||||
| -rw-r--r-- | arch/x86/kernel/amd_iommu.c | 1 | ||||
| -rw-r--r-- | arch/x86/kernel/amd_iommu_init.c | 1 | ||||
| -rw-r--r-- | arch/x86/kernel/aperture_64.c | 5 | ||||
| -rw-r--r-- | arch/x86/kernel/early-quirks.c | 1 | ||||
| -rw-r--r-- | arch/x86/kernel/pci-dma.c | 7 | ||||
| -rw-r--r-- | arch/x86/kernel/setup.c | 1 |
12 files changed, 42 insertions, 48 deletions
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index 1cbec0269d3..a2ae4c05f46 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -563,7 +563,7 @@ config AMD_IOMMU # need this always selected by IOMMU for the VIA workaround config SWIOTLB - bool + def_bool y if X86_64 help Support for software bounce buffers used on x86-64 systems which don't have a hardware IOMMU (e.g. the current generation diff --git a/arch/x86/include/asm/dma-mapping.h b/arch/x86/include/asm/dma-mapping.h index 097794ff6b7..dc22c073328 100644 --- a/arch/x86/include/asm/dma-mapping.h +++ b/arch/x86/include/asm/dma-mapping.h @@ -71,12 +71,10 @@ static inline struct dma_mapping_ops *get_dma_ops(struct device *dev) /* Make sure we keep the same behaviour */ static inline int dma_mapping_error(struct device *dev, dma_addr_t dma_addr) { -#ifdef CONFIG_X86_64 struct dma_mapping_ops *ops = get_dma_ops(dev); if (ops->mapping_error) return ops->mapping_error(dev, dma_addr); -#endif return (dma_addr == bad_dma_address); } diff --git a/arch/x86/include/asm/gart.h b/arch/x86/include/asm/gart.h index 74252264433..6cfdafa409d 100644 --- a/arch/x86/include/asm/gart.h +++ b/arch/x86/include/asm/gart.h @@ -29,6 +29,39 @@ extern int fix_aperture; #define AMD64_GARTCACHECTL 0x9c #define AMD64_GARTEN (1<<0) +#ifdef CONFIG_GART_IOMMU +extern int gart_iommu_aperture; +extern int gart_iommu_aperture_allowed; +extern int gart_iommu_aperture_disabled; + +extern void early_gart_iommu_check(void); +extern void gart_iommu_init(void); +extern void gart_iommu_shutdown(void); +extern void __init gart_parse_options(char *); +extern void gart_iommu_hole_init(void); + +#else +#define gart_iommu_aperture 0 +#define gart_iommu_aperture_allowed 0 +#define gart_iommu_aperture_disabled 1 + +static inline void early_gart_iommu_check(void) +{ +} +static inline void gart_iommu_init(void) +{ +} +static inline void gart_iommu_shutdown(void) +{ +} +static inline void gart_parse_options(char *options) +{ +} +static inline void gart_iommu_hole_init(void) +{ +} +#endif + extern int agp_amd64_init(void); static inline void enable_gart_translation(struct pci_dev *dev, u64 addr) diff --git a/arch/x86/include/asm/io.h b/arch/x86/include/asm/io.h index 33513b9a67f..05cfed4485f 100644 --- a/arch/x86/include/asm/io.h +++ b/arch/x86/include/asm/io.h @@ -80,8 +80,6 @@ static inline void writeq(__u64 val, volatile void __iomem *addr) #define readq readq #define writeq writeq -extern int iommu_bio_merge; - #ifdef CONFIG_X86_32 # include "io_32.h" #else diff --git a/arch/x86/include/asm/io_64.h b/arch/x86/include/asm/io_64.h index fea325a1122..563c16270ba 100644 --- a/arch/x86/include/asm/io_64.h +++ b/arch/x86/include/asm/io_64.h @@ -232,8 +232,6 @@ void memset_io(volatile void __iomem *a, int b, size_t c); #define flush_write_buffers() -#define BIO_VMERGE_BOUNDARY iommu_bio_merge - /* * Convert a virtual cached pointer to an uncached pointer */ diff --git a/arch/x86/include/asm/iommu.h b/arch/x86/include/asm/iommu.h index 0b500c5b644..295b13193f4 100644 --- a/arch/x86/include/asm/iommu.h +++ b/arch/x86/include/asm/iommu.h @@ -12,37 +12,4 @@ extern unsigned long iommu_nr_pages(unsigned long addr, unsigned long len); /* 10 seconds */ #define DMAR_OPERATION_TIMEOUT ((cycles_t) tsc_khz*10*1000) -#ifdef CONFIG_GART_IOMMU -extern int gart_iommu_aperture; -extern int gart_iommu_aperture_allowed; -extern int gart_iommu_aperture_disabled; - -extern void early_gart_iommu_check(void); -extern void gart_iommu_init(void); -extern void gart_iommu_shutdown(void); -extern void __init gart_parse_options(char *); -extern void gart_iommu_hole_init(void); - -#else -#define gart_iommu_aperture 0 -#define gart_iommu_aperture_allowed 0 -#define gart_iommu_aperture_disabled 1 - -static inline void early_gart_iommu_check(void) -{ -} -static inline void gart_iommu_init(void) -{ -} -static inline void gart_iommu_shutdown(void) -{ -} -static inline void gart_parse_options(char *options) -{ -} -static inline void gart_iommu_hole_init(void) -{ -} -#endif - #endif /* _ASM_X86_IOMMU_H */ diff --git a/arch/x86/kernel/amd_iommu.c b/arch/x86/kernel/amd_iommu.c index 0a60d60ed03..2e2da717b35 100644 --- a/arch/x86/kernel/amd_iommu.c +++ b/arch/x86/kernel/amd_iommu.c @@ -24,6 +24,7 @@ #include <linux/iommu-helper.h> #include <asm/proto.h> #include <asm/iommu.h> +#include <asm/gart.h> #include <asm/amd_iommu_types.h> #include <asm/amd_iommu.h> diff --git a/arch/x86/kernel/amd_iommu_init.c b/arch/x86/kernel/amd_iommu_init.c index c6cc22815d3..c625800c55c 100644 --- a/arch/x86/kernel/amd_iommu_init.c +++ b/arch/x86/kernel/amd_iommu_init.c @@ -28,6 +28,7 @@ #include <asm/amd_iommu_types.h> #include <asm/amd_iommu.h> #include <asm/iommu.h> +#include <asm/gart.h> /* * definitions for the ACPI scanning code diff --git a/arch/x86/kernel/aperture_64.c b/arch/x86/kernel/aperture_64.c index 9a32b37ee2e..676debfc170 100644 --- a/arch/x86/kernel/aperture_64.c +++ b/arch/x86/kernel/aperture_64.c @@ -1,8 +1,9 @@ /* * Firmware replacement code. * - * Work around broken BIOSes that don't set an aperture or only set the - * aperture in the AGP bridge. + * Work around broken BIOSes that don't set an aperture, only set the + * aperture in the AGP bridge, or set too small aperture. + * * If all fails map the aperture over some low memory. This is cheaper than * doing bounce buffering. The memory is lost. This is done at early boot * because only the bootmem allocator can allocate 32+MB. diff --git a/arch/x86/kernel/early-quirks.c b/arch/x86/kernel/early-quirks.c index 1b894b72c0f..744aa7fc49d 100644 --- a/arch/x86/kernel/early-quirks.c +++ b/arch/x86/kernel/early-quirks.c @@ -17,6 +17,7 @@ #include <asm/io_apic.h> #include <asm/apic.h> #include <asm/iommu.h> +#include <asm/gart.h> static void __init fix_hypertransport_config(int num, int slot, int func) { diff --git a/arch/x86/kernel/pci-dma.c b/arch/x86/kernel/pci-dma.c index dc572994703..7a3dfceb90e 100644 --- a/arch/x86/kernel/pci-dma.c +++ b/arch/x86/kernel/pci-dma.c @@ -6,6 +6,7 @@ #include <asm/proto.h> #include <asm/dma.h> #include <asm/iommu.h> +#include <asm/gart.h> #include <asm/calgary.h> #include <asm/amd_iommu.h> @@ -30,11 +31,6 @@ int no_iommu __read_mostly; /* Set this to 1 if there is a HW IOMMU in the system */ int iommu_detected __read_mostly = 0; -/* This tells the BIO block layer to assume merging. Default to off - because we cannot guarantee merging later. */ -int iommu_bio_merge __read_mostly = 0; -EXPORT_SYMBOL(iommu_bio_merge); - dma_addr_t bad_dma_address __read_mostly = 0; EXPORT_SYMBOL(bad_dma_address); @@ -188,7 +184,6 @@ static __init int iommu_setup(char *p) } if (!strncmp(p, "biomerge", 8)) { - iommu_bio_merge = 4096; iommu_merge = 1; force_iommu = 1; } diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c index a3122382859..08e02e8453c 100644 --- a/arch/x86/kernel/setup.c +++ b/arch/x86/kernel/setup.c @@ -93,6 +93,7 @@ #include <asm/desc.h> #include <asm/dma.h> #include <asm/iommu.h> +#include <asm/gart.h> #include <asm/mmu_context.h> #include <asm/proto.h> |