diff options
Diffstat (limited to 'arch/ia64/include/asm')
| -rw-r--r-- | arch/ia64/include/asm/cacheflush.h | 2 | ||||
| -rw-r--r-- | arch/ia64/include/asm/device.h | 3 | ||||
| -rw-r--r-- | arch/ia64/include/asm/dma-mapping.h | 50 | ||||
| -rw-r--r-- | arch/ia64/include/asm/iommu.h | 16 | ||||
| -rw-r--r-- | arch/ia64/include/asm/machvec.h | 2 | ||||
| -rw-r--r-- | arch/ia64/include/asm/machvec_dig_vtd.h | 38 | ||||
| -rw-r--r-- | arch/ia64/include/asm/machvec_init.h | 1 | ||||
| -rw-r--r-- | arch/ia64/include/asm/pci.h | 3 | ||||
| -rw-r--r-- | arch/ia64/include/asm/swiotlb.h | 56 |
9 files changed, 171 insertions, 0 deletions
diff --git a/arch/ia64/include/asm/cacheflush.h b/arch/ia64/include/asm/cacheflush.h index afcfbda76e2..c8ce2719fee 100644 --- a/arch/ia64/include/asm/cacheflush.h +++ b/arch/ia64/include/asm/cacheflush.h @@ -34,6 +34,8 @@ do { \ #define flush_dcache_mmap_unlock(mapping) do { } while (0) extern void flush_icache_range (unsigned long start, unsigned long end); +extern void clflush_cache_range(void *addr, int size); + #define flush_icache_user_range(vma, page, user_addr, len) \ do { \ diff --git a/arch/ia64/include/asm/device.h b/arch/ia64/include/asm/device.h index 3db6daf7f25..41ab85d66f3 100644 --- a/arch/ia64/include/asm/device.h +++ b/arch/ia64/include/asm/device.h @@ -10,6 +10,9 @@ struct dev_archdata { #ifdef CONFIG_ACPI void *acpi_handle; #endif +#ifdef CONFIG_DMAR + void *iommu; /* hook for IOMMU specific extension */ +#endif }; #endif /* _ASM_IA64_DEVICE_H */ diff --git a/arch/ia64/include/asm/dma-mapping.h b/arch/ia64/include/asm/dma-mapping.h index 06ff1ba2146..bbab7e2b0fc 100644 --- a/arch/ia64/include/asm/dma-mapping.h +++ b/arch/ia64/include/asm/dma-mapping.h @@ -7,6 +7,49 @@ */ #include <asm/machvec.h> #include <linux/scatterlist.h> +#include <asm/swiotlb.h> + +struct dma_mapping_ops { + int (*mapping_error)(struct device *dev, + dma_addr_t dma_addr); + void* (*alloc_coherent)(struct device *dev, size_t size, + dma_addr_t *dma_handle, gfp_t gfp); + void (*free_coherent)(struct device *dev, size_t size, + void *vaddr, dma_addr_t dma_handle); + dma_addr_t (*map_single)(struct device *hwdev, unsigned long ptr, + size_t size, int direction); + void (*unmap_single)(struct device *dev, dma_addr_t addr, + size_t size, int direction); + void (*sync_single_for_cpu)(struct device *hwdev, + dma_addr_t dma_handle, size_t size, + int direction); + void (*sync_single_for_device)(struct device *hwdev, + dma_addr_t dma_handle, size_t size, + int direction); + void (*sync_single_range_for_cpu)(struct device *hwdev, + dma_addr_t dma_handle, unsigned long offset, + size_t size, int direction); + void (*sync_single_range_for_device)(struct device *hwdev, + dma_addr_t dma_handle, unsigned long offset, + size_t size, int direction); + void (*sync_sg_for_cpu)(struct device *hwdev, + struct scatterlist *sg, int nelems, + int direction); + void (*sync_sg_for_device)(struct device *hwdev, + struct scatterlist *sg, int nelems, + int direction); + int (*map_sg)(struct device *hwdev, struct scatterlist *sg, + int nents, int direction); + void (*unmap_sg)(struct device *hwdev, + struct scatterlist *sg, int nents, + int direction); + int (*dma_supported_op)(struct device *hwdev, u64 mask); + int is_phys; +}; + +extern struct dma_mapping_ops *dma_ops; +extern struct ia64_machine_vector ia64_mv; +extern void set_iommu_machvec(void); #define dma_alloc_coherent(dev, size, handle, gfp) \ platform_dma_alloc_coherent(dev, size, handle, (gfp) | GFP_DMA) @@ -96,4 +139,11 @@ dma_cache_sync (struct device *dev, void *vaddr, size_t size, #define dma_is_consistent(d, h) (1) /* all we do is coherent memory... */ +static inline struct dma_mapping_ops *get_dma_ops(struct device *dev) +{ + return dma_ops; +} + + + #endif /* _ASM_IA64_DMA_MAPPING_H */ diff --git a/arch/ia64/include/asm/iommu.h b/arch/ia64/include/asm/iommu.h new file mode 100644 index 00000000000..5fb2bb93de3 --- /dev/null +++ b/arch/ia64/include/asm/iommu.h @@ -0,0 +1,16 @@ +#ifndef _ASM_IA64_IOMMU_H +#define _ASM_IA64_IOMMU_H 1 + +#define cpu_has_x2apic 0 +/* 10 seconds */ +#define DMAR_OPERATION_TIMEOUT (((cycles_t) local_cpu_data->itc_freq)*10) + +extern void pci_iommu_shutdown(void); +extern void no_iommu_init(void); +extern int force_iommu, no_iommu; +extern int iommu_detected; +extern void iommu_dma_init(void); +extern void machvec_init(const char *name); +extern int forbid_dac; + +#endif diff --git a/arch/ia64/include/asm/machvec.h b/arch/ia64/include/asm/machvec.h index 2b850ccafef..ce9b1d05083 100644 --- a/arch/ia64/include/asm/machvec.h +++ b/arch/ia64/include/asm/machvec.h @@ -120,6 +120,8 @@ extern void machvec_tlb_migrate_finish (struct mm_struct *); # include <asm/machvec_hpsim.h> # elif defined (CONFIG_IA64_DIG) # include <asm/machvec_dig.h> +# elif defined(CONFIG_IA64_DIG_VTD) +# include <asm/machvec_dig_vtd.h> # elif defined (CONFIG_IA64_HP_ZX1) # include <asm/machvec_hpzx1.h> # elif defined (CONFIG_IA64_HP_ZX1_SWIOTLB) diff --git a/arch/ia64/include/asm/machvec_dig_vtd.h b/arch/ia64/include/asm/machvec_dig_vtd.h new file mode 100644 index 00000000000..3400b561e71 --- /dev/null +++ b/arch/ia64/include/asm/machvec_dig_vtd.h @@ -0,0 +1,38 @@ +#ifndef _ASM_IA64_MACHVEC_DIG_VTD_h +#define _ASM_IA64_MACHVEC_DIG_VTD_h + +extern ia64_mv_setup_t dig_setup; +extern ia64_mv_dma_alloc_coherent vtd_alloc_coherent; +extern ia64_mv_dma_free_coherent vtd_free_coherent; +extern ia64_mv_dma_map_single_attrs vtd_map_single_attrs; +extern ia64_mv_dma_unmap_single_attrs vtd_unmap_single_attrs; +extern ia64_mv_dma_map_sg_attrs vtd_map_sg_attrs; +extern ia64_mv_dma_unmap_sg_attrs vtd_unmap_sg_attrs; +extern ia64_mv_dma_supported iommu_dma_supported; +extern ia64_mv_dma_mapping_error vtd_dma_mapping_error; +extern ia64_mv_dma_init pci_iommu_alloc; + +/* + * This stuff has dual use! + * + * For a generic kernel, the macros are used to initialize the + * platform's machvec structure. When compiling a non-generic kernel, + * the macros are used directly. + */ +#define platform_name "dig_vtd" +#define platform_setup dig_setup +#define platform_dma_init pci_iommu_alloc +#define platform_dma_alloc_coherent vtd_alloc_coherent +#define platform_dma_free_coherent vtd_free_coherent +#define platform_dma_map_single_attrs vtd_map_single_attrs +#define platform_dma_unmap_single_attrs vtd_unmap_single_attrs +#define platform_dma_map_sg_attrs vtd_map_sg_attrs +#define platform_dma_unmap_sg_attrs vtd_unmap_sg_attrs +#define platform_dma_sync_single_for_cpu machvec_dma_sync_single +#define platform_dma_sync_sg_for_cpu machvec_dma_sync_sg +#define platform_dma_sync_single_for_device machvec_dma_sync_single +#define platform_dma_sync_sg_for_device machvec_dma_sync_sg +#define platform_dma_supported iommu_dma_supported +#define platform_dma_mapping_error vtd_dma_mapping_error + +#endif /* _ASM_IA64_MACHVEC_DIG_VTD_h */ diff --git a/arch/ia64/include/asm/machvec_init.h b/arch/ia64/include/asm/machvec_init.h index 7f21249fba3..ef964b28684 100644 --- a/arch/ia64/include/asm/machvec_init.h +++ b/arch/ia64/include/asm/machvec_init.h @@ -1,3 +1,4 @@ +#include <asm/iommu.h> #include <asm/machvec.h> extern ia64_mv_send_ipi_t ia64_send_ipi; diff --git a/arch/ia64/include/asm/pci.h b/arch/ia64/include/asm/pci.h index 0149097b736..645ef06ddaa 100644 --- a/arch/ia64/include/asm/pci.h +++ b/arch/ia64/include/asm/pci.h @@ -164,4 +164,7 @@ static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel) return channel ? isa_irq_to_vector(15) : isa_irq_to_vector(14); } +#ifdef CONFIG_DMAR +extern void pci_iommu_alloc(void); +#endif #endif /* _ASM_IA64_PCI_H */ diff --git a/arch/ia64/include/asm/swiotlb.h b/arch/ia64/include/asm/swiotlb.h new file mode 100644 index 00000000000..fb79423834d --- /dev/null +++ b/arch/ia64/include/asm/swiotlb.h @@ -0,0 +1,56 @@ +#ifndef ASM_IA64__SWIOTLB_H +#define ASM_IA64__SWIOTLB_H + +#include <linux/dma-mapping.h> + +/* SWIOTLB interface */ + +extern dma_addr_t swiotlb_map_single(struct device *hwdev, void *ptr, + size_t size, int dir); +extern void *swiotlb_alloc_coherent(struct device *hwdev, size_t size, + dma_addr_t *dma_handle, gfp_t flags); +extern void swiotlb_unmap_single(struct device *hwdev, dma_addr_t dev_addr, + size_t size, int dir); +extern void swiotlb_sync_single_for_cpu(struct device *hwdev, + dma_addr_t dev_addr, + size_t size, int dir); +extern void swiotlb_sync_single_for_device(struct device *hwdev, + dma_addr_t dev_addr, + size_t size, int dir); +extern void swiotlb_sync_single_range_for_cpu(struct device *hwdev, + dma_addr_t dev_addr, + unsigned long offset, + size_t size, int dir); +extern void swiotlb_sync_single_range_for_device(struct device *hwdev, + dma_addr_t dev_addr, + unsigned long offset, + size_t size, int dir); +extern void swiotlb_sync_sg_for_cpu(struct device *hwdev, + struct scatterlist *sg, int nelems, + int dir); +extern void swiotlb_sync_sg_for_device(struct device *hwdev, + struct scatterlist *sg, int nelems, + int dir); +extern int swiotlb_map_sg(struct device *hwdev, struct scatterlist *sg, + int nents, int direction); +extern void swiotlb_unmap_sg(struct device *hwdev, struct scatterlist *sg, + int nents, int direction); +extern int swiotlb_dma_mapping_error(struct device *hwdev, dma_addr_t dma_addr); +extern void swiotlb_free_coherent(struct device *hwdev, size_t size, + void *vaddr, dma_addr_t dma_handle); +extern int swiotlb_dma_supported(struct device *hwdev, u64 mask); +extern void swiotlb_init(void); + +extern int swiotlb_force; + +#ifdef CONFIG_SWIOTLB +extern int swiotlb; +extern void pci_swiotlb_init(void); +#else +#define swiotlb 0 +static inline void pci_swiotlb_init(void) +{ +} +#endif + +#endif /* ASM_IA64__SWIOTLB_H */ |