Loading Documentation/ABI/testing/sysfs-kernel-iommu_groups 0 → 100644 +14 −0 Original line number Original line Diff line number Diff line What: /sys/kernel/iommu_groups/ Date: May 2012 KernelVersion: v3.5 Contact: Alex Williamson <alex.williamson@redhat.com> Description: /sys/kernel/iommu_groups/ contains a number of sub- directories, each representing an IOMMU group. The name of the sub-directory matches the iommu_group_id() for the group, which is an integer value. Within each subdirectory is another directory named "devices" with links to the sysfs devices contained in this group. The group directory also optionally contains a "name" file if the IOMMU driver has chosen to register a more common name for the group. Users: Documentation/devicetree/bindings/iommu/nvidia,tegra30-smmu.txt 0 → 100644 +21 −0 Original line number Original line Diff line number Diff line NVIDIA Tegra 30 IOMMU H/W, SMMU (System Memory Management Unit) Required properties: - compatible : "nvidia,tegra30-smmu" - reg : Should contain 3 register banks(address and length) for each of the SMMU register blocks. - interrupts : Should contain MC General interrupt. - nvidia,#asids : # of ASIDs - dma-window : IOVA start address and length. - nvidia,ahb : phandle to the ahb bus connected to SMMU. Example: smmu { compatible = "nvidia,tegra30-smmu"; reg = <0x7000f010 0x02c 0x7000f1f0 0x010 0x7000f228 0x05c>; nvidia,#asids = <4>; /* # of ASIDs */ dma-window = <0 0x40000000>; /* IOVA start & length */ nvidia,ahb = <&ahb>; }; Documentation/kernel-parameters.txt +0 −1 Original line number Original line Diff line number Diff line Loading @@ -1134,7 +1134,6 @@ bytes respectively. Such letter suffixes can also be entirely omitted. forcesac forcesac soft soft pt [x86, IA-64] pt [x86, IA-64] group_mf [x86, IA-64] io7= [HW] IO7 for Marvel based alpha systems io7= [HW] IO7 for Marvel based alpha systems Loading arch/ia64/include/asm/iommu.h +0 −2 Original line number Original line Diff line number Diff line Loading @@ -11,12 +11,10 @@ extern void no_iommu_init(void); extern int force_iommu, no_iommu; extern int force_iommu, no_iommu; extern int iommu_pass_through; extern int iommu_pass_through; extern int iommu_detected; extern int iommu_detected; extern int iommu_group_mf; #else #else #define iommu_pass_through (0) #define iommu_pass_through (0) #define no_iommu (1) #define no_iommu (1) #define iommu_detected (0) #define iommu_detected (0) #define iommu_group_mf (0) #endif #endif extern void iommu_dma_init(void); extern void iommu_dma_init(void); extern void machvec_init(const char *name); extern void machvec_init(const char *name); Loading arch/ia64/kernel/pci-dma.c +0 −1 Original line number Original line Diff line number Diff line Loading @@ -32,7 +32,6 @@ int force_iommu __read_mostly; #endif #endif int iommu_pass_through; int iommu_pass_through; int iommu_group_mf; /* Dummy device used for NULL arguments (normally ISA). Better would /* Dummy device used for NULL arguments (normally ISA). Better would be probably a smaller DMA mask, but this is bug-to-bug compatible be probably a smaller DMA mask, but this is bug-to-bug compatible Loading Loading
Documentation/ABI/testing/sysfs-kernel-iommu_groups 0 → 100644 +14 −0 Original line number Original line Diff line number Diff line What: /sys/kernel/iommu_groups/ Date: May 2012 KernelVersion: v3.5 Contact: Alex Williamson <alex.williamson@redhat.com> Description: /sys/kernel/iommu_groups/ contains a number of sub- directories, each representing an IOMMU group. The name of the sub-directory matches the iommu_group_id() for the group, which is an integer value. Within each subdirectory is another directory named "devices" with links to the sysfs devices contained in this group. The group directory also optionally contains a "name" file if the IOMMU driver has chosen to register a more common name for the group. Users:
Documentation/devicetree/bindings/iommu/nvidia,tegra30-smmu.txt 0 → 100644 +21 −0 Original line number Original line Diff line number Diff line NVIDIA Tegra 30 IOMMU H/W, SMMU (System Memory Management Unit) Required properties: - compatible : "nvidia,tegra30-smmu" - reg : Should contain 3 register banks(address and length) for each of the SMMU register blocks. - interrupts : Should contain MC General interrupt. - nvidia,#asids : # of ASIDs - dma-window : IOVA start address and length. - nvidia,ahb : phandle to the ahb bus connected to SMMU. Example: smmu { compatible = "nvidia,tegra30-smmu"; reg = <0x7000f010 0x02c 0x7000f1f0 0x010 0x7000f228 0x05c>; nvidia,#asids = <4>; /* # of ASIDs */ dma-window = <0 0x40000000>; /* IOVA start & length */ nvidia,ahb = <&ahb>; };
Documentation/kernel-parameters.txt +0 −1 Original line number Original line Diff line number Diff line Loading @@ -1134,7 +1134,6 @@ bytes respectively. Such letter suffixes can also be entirely omitted. forcesac forcesac soft soft pt [x86, IA-64] pt [x86, IA-64] group_mf [x86, IA-64] io7= [HW] IO7 for Marvel based alpha systems io7= [HW] IO7 for Marvel based alpha systems Loading
arch/ia64/include/asm/iommu.h +0 −2 Original line number Original line Diff line number Diff line Loading @@ -11,12 +11,10 @@ extern void no_iommu_init(void); extern int force_iommu, no_iommu; extern int force_iommu, no_iommu; extern int iommu_pass_through; extern int iommu_pass_through; extern int iommu_detected; extern int iommu_detected; extern int iommu_group_mf; #else #else #define iommu_pass_through (0) #define iommu_pass_through (0) #define no_iommu (1) #define no_iommu (1) #define iommu_detected (0) #define iommu_detected (0) #define iommu_group_mf (0) #endif #endif extern void iommu_dma_init(void); extern void iommu_dma_init(void); extern void machvec_init(const char *name); extern void machvec_init(const char *name); Loading
arch/ia64/kernel/pci-dma.c +0 −1 Original line number Original line Diff line number Diff line Loading @@ -32,7 +32,6 @@ int force_iommu __read_mostly; #endif #endif int iommu_pass_through; int iommu_pass_through; int iommu_group_mf; /* Dummy device used for NULL arguments (normally ISA). Better would /* Dummy device used for NULL arguments (normally ISA). Better would be probably a smaller DMA mask, but this is bug-to-bug compatible be probably a smaller DMA mask, but this is bug-to-bug compatible Loading
