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/Linux-v5.15/drivers/staging/media/ipu3/
Dipu3-mmu.c21 #include "ipu3-mmu.h"
73 * @mmu: MMU to perform the invalidate operation on
78 static void imgu_mmu_tlb_invalidate(struct imgu_mmu *mmu) in imgu_mmu_tlb_invalidate() argument
80 writel(TLB_INVALIDATE, mmu->base + REG_TLB_INVALIDATE); in imgu_mmu_tlb_invalidate()
83 static void call_if_imgu_is_powered(struct imgu_mmu *mmu, in call_if_imgu_is_powered() argument
84 void (*func)(struct imgu_mmu *mmu)) in call_if_imgu_is_powered() argument
86 if (!pm_runtime_get_if_in_use(mmu->dev)) in call_if_imgu_is_powered()
89 func(mmu); in call_if_imgu_is_powered()
90 pm_runtime_put(mmu->dev); in call_if_imgu_is_powered()
95 * @mmu: MMU to set the CIO gate bit in.
[all …]
/Linux-v5.15/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/
Dbase.c42 nvkm_mmu_ptp_put(struct nvkm_mmu *mmu, bool force, struct nvkm_mmu_pt *pt) in nvkm_mmu_ptp_put() argument
51 list_add(&ptp->head, &mmu->ptp.list); in nvkm_mmu_ptp_put()
56 nvkm_mmu_ptc_put(mmu, force, &ptp->pt); in nvkm_mmu_ptp_put()
65 nvkm_mmu_ptp_get(struct nvkm_mmu *mmu, u32 size, bool zero) in nvkm_mmu_ptp_get() argument
74 ptp = list_first_entry_or_null(&mmu->ptp.list, typeof(*ptp), head); in nvkm_mmu_ptp_get()
82 ptp->pt = nvkm_mmu_ptc_get(mmu, 0x1000, 0x1000, false); in nvkm_mmu_ptp_get()
93 list_add(&ptp->head, &mmu->ptp.list); in nvkm_mmu_ptp_get()
120 nvkm_mmu_ptc_find(struct nvkm_mmu *mmu, u32 size) in nvkm_mmu_ptc_find() argument
124 list_for_each_entry(ptc, &mmu->ptc.list, head) { in nvkm_mmu_ptc_find()
134 list_add(&ptc->head, &mmu->ptc.list); in nvkm_mmu_ptc_find()
[all …]
DKbuild2 nvkm-y += nvkm/subdev/mmu/base.o
3 nvkm-y += nvkm/subdev/mmu/nv04.o
4 nvkm-y += nvkm/subdev/mmu/nv41.o
5 nvkm-y += nvkm/subdev/mmu/nv44.o
6 nvkm-y += nvkm/subdev/mmu/nv50.o
7 nvkm-y += nvkm/subdev/mmu/g84.o
8 nvkm-y += nvkm/subdev/mmu/mcp77.o
9 nvkm-y += nvkm/subdev/mmu/gf100.o
10 nvkm-y += nvkm/subdev/mmu/gk104.o
11 nvkm-y += nvkm/subdev/mmu/gk20a.o
[all …]
Dummu.c35 struct nvkm_mmu *mmu = nvkm_ummu(object)->mmu; in nvkm_ummu_sclass() local
37 if (mmu->func->mem.user.oclass) { in nvkm_ummu_sclass()
39 oclass->base = mmu->func->mem.user; in nvkm_ummu_sclass()
45 if (mmu->func->vmm.user.oclass) { in nvkm_ummu_sclass()
47 oclass->base = mmu->func->vmm.user; in nvkm_ummu_sclass()
59 struct nvkm_mmu *mmu = ummu->mmu; in nvkm_ummu_heap() local
67 if ((index = args->v0.index) >= mmu->heap_nr) in nvkm_ummu_heap()
69 args->v0.size = mmu->heap[index].size; in nvkm_ummu_heap()
79 struct nvkm_mmu *mmu = ummu->mmu; in nvkm_ummu_type() local
87 if ((index = args->v0.index) >= mmu->type_nr) in nvkm_ummu_type()
[all …]
/Linux-v5.15/drivers/gpu/drm/nouveau/nvif/
Dmmu.c22 #include <nvif/mmu.h>
28 nvif_mmu_dtor(struct nvif_mmu *mmu) in nvif_mmu_dtor() argument
30 kfree(mmu->kind); in nvif_mmu_dtor()
31 kfree(mmu->type); in nvif_mmu_dtor()
32 kfree(mmu->heap); in nvif_mmu_dtor()
33 nvif_object_dtor(&mmu->object); in nvif_mmu_dtor()
38 struct nvif_mmu *mmu) in nvif_mmu_ctor() argument
50 mmu->heap = NULL; in nvif_mmu_ctor()
51 mmu->type = NULL; in nvif_mmu_ctor()
52 mmu->kind = NULL; in nvif_mmu_ctor()
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/Linux-v5.15/drivers/staging/media/atomisp/pci/mmu/
Disp_mmu.c21 * ISP MMU management wrap code
41 #include "mmu/isp_mmu.h"
51 * that are only 32-bit capable(e.g. the ISP MMU).
57 static void free_mmu_map(struct isp_mmu *mmu, unsigned int start_isp_virt,
79 static phys_addr_t isp_pte_to_pgaddr(struct isp_mmu *mmu, in isp_pte_to_pgaddr() argument
82 return mmu->driver->pte_to_phys(mmu, pte); in isp_pte_to_pgaddr()
85 static unsigned int isp_pgaddr_to_pte_valid(struct isp_mmu *mmu, in isp_pgaddr_to_pte_valid() argument
88 unsigned int pte = mmu->driver->phys_to_pte(mmu, phys); in isp_pgaddr_to_pte_valid()
90 return (unsigned int)(pte | ISP_PTE_VALID_MASK(mmu)); in isp_pgaddr_to_pte_valid()
97 static phys_addr_t alloc_page_table(struct isp_mmu *mmu) in alloc_page_table() argument
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/Linux-v5.15/drivers/iommu/
Dipmmu-vmsa.c72 struct ipmmu_vmsa_device *mmu; member
100 /* MMU "context" registers */
150 static bool ipmmu_is_root(struct ipmmu_vmsa_device *mmu) in ipmmu_is_root() argument
152 return mmu->root == mmu; in ipmmu_is_root()
157 struct ipmmu_vmsa_device *mmu = dev_get_drvdata(dev); in __ipmmu_check_device() local
160 if (ipmmu_is_root(mmu)) in __ipmmu_check_device()
161 *rootp = mmu; in __ipmmu_check_device()
178 static u32 ipmmu_read(struct ipmmu_vmsa_device *mmu, unsigned int offset) in ipmmu_read() argument
180 return ioread32(mmu->base + offset); in ipmmu_read()
183 static void ipmmu_write(struct ipmmu_vmsa_device *mmu, unsigned int offset, in ipmmu_write() argument
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/Linux-v5.15/drivers/gpu/drm/panfrost/
Dpanfrost_mmu.c34 /* Wait for the MMU status to indicate there is no active command, in in wait_ready()
52 /* write AS_COMMAND when MMU is ready to accept another command */ in write_cmd()
89 /* Run the MMU operation */ in mmu_hw_do_operation_locked()
97 struct panfrost_mmu *mmu, in mmu_hw_do_operation() argument
103 ret = mmu_hw_do_operation_locked(pfdev, mmu->as, iova, size, op); in mmu_hw_do_operation()
108 static void panfrost_mmu_enable(struct panfrost_device *pfdev, struct panfrost_mmu *mmu) in panfrost_mmu_enable() argument
110 int as_nr = mmu->as; in panfrost_mmu_enable()
111 struct io_pgtable_cfg *cfg = &mmu->pgtbl_cfg; in panfrost_mmu_enable()
142 u32 panfrost_mmu_as_get(struct panfrost_device *pfdev, struct panfrost_mmu *mmu) in panfrost_mmu_as_get() argument
148 as = mmu->as; in panfrost_mmu_as_get()
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/Linux-v5.15/arch/x86/kernel/
Dparavirt.c290 /* Mmu ops. */
291 .mmu.flush_tlb_user = native_flush_tlb_local,
292 .mmu.flush_tlb_kernel = native_flush_tlb_global,
293 .mmu.flush_tlb_one_user = native_flush_tlb_one_user,
294 .mmu.flush_tlb_multi = native_flush_tlb_multi,
295 .mmu.tlb_remove_table =
298 .mmu.exit_mmap = paravirt_nop,
301 .mmu.read_cr2 = __PV_IS_CALLEE_SAVE(native_read_cr2),
302 .mmu.write_cr2 = native_write_cr2,
303 .mmu.read_cr3 = __native_read_cr3,
[all …]
/Linux-v5.15/drivers/staging/media/atomisp/include/mmu/
Disp_mmu.h21 * ISP MMU driver for classic two-level page tables
88 unsigned int (*get_pd_base)(struct isp_mmu *mmu, phys_addr_t pd_base);
100 void (*tlb_flush_range)(struct isp_mmu *mmu,
102 void (*tlb_flush_all)(struct isp_mmu *mmu);
103 unsigned int (*phys_to_pte)(struct isp_mmu *mmu,
105 phys_addr_t (*pte_to_phys)(struct isp_mmu *mmu,
120 #define ISP_PTE_VALID_MASK(mmu) \ argument
121 ((mmu)->driver->pte_valid_mask)
123 #define ISP_PTE_VALID(mmu, pte) \ argument
124 ((pte) & ISP_PTE_VALID_MASK(mmu))
[all …]
/Linux-v5.15/arch/m68k/
DKconfig.cpu6 default M68KCLASSIC if MMU
7 default COLDFIRE if !MMU
41 depends on !MMU
54 a paging MMU.
65 System-On-Chip parts, and does not contain a paging MMU.
69 depends on MMU
75 68851 MMU (Memory Management Unit) to run Linux/m68k, except on the
80 depends on MMU && !MMU_SUN3
86 work, as it does not include an MMU (Memory Management Unit).
90 depends on MMU && !MMU_SUN3
[all …]
DKconfig7 select ARCH_HAS_DMA_PREP_COHERENT if HAS_DMA && MMU && !COLDFIRE
14 select DMA_DIRECT_REMAP if HAS_DMA && MMU && !COLDFIRE
19 select HAVE_AOUT if MMU
23 select HAVE_FUTEX_CMPXCHG if MMU && FUTEX
26 select MMU_GATHER_NO_RANGE if MMU
29 select NO_DMA if !MMU && !COLDFIRE
32 select UACCESS_MEMCPY if !MMU
72 config MMU config
73 bool "MMU-based Paged Memory Management Support"
76 Select if you want MMU-based virtualised addressing space
[all …]
DKconfig.machine8 depends on MMU
9 select MMU_MOTOROLA if MMU
18 depends on MMU
19 select MMU_MOTOROLA if MMU
33 depends on MMU
34 select MMU_MOTOROLA if MMU
46 depends on MMU
47 select MMU_MOTOROLA if MMU
55 depends on MMU
56 select MMU_MOTOROLA if MMU
[all …]
/Linux-v5.15/arch/riscv/
DKconfig19 select ARCH_HAS_DEBUG_VIRTUAL if MMU
27 select ARCH_HAS_SET_DIRECT_MAP if MMU
28 select ARCH_HAS_SET_MEMORY if MMU
29 select ARCH_HAS_STRICT_KERNEL_RWX if MMU && !XIP_KERNEL
30 select ARCH_HAS_STRICT_MODULE_RWX if MMU && !XIP_KERNEL
37 select ARCH_SUPPORTS_DEBUG_PAGEALLOC if MMU
38 select ARCH_SUPPORTS_HUGETLBFS if MMU
40 select ARCH_WANT_DEFAULT_TOPDOWN_MMAP_LAYOUT if MMU
43 select BINFMT_FLAT_NO_DATA_START_OFFSET if !MMU
44 select BUILDTIME_TABLE_SORT if MMU
[all …]
/Linux-v5.15/arch/arm/mm/
DKconfig11 depends on !MMU
30 select CPU_COPY_V4WT if MMU
34 select CPU_TLB_V4WT if MMU
37 MMU built around an ARM7TDMI core.
45 depends on !MMU
63 depends on !MMU
82 select CPU_COPY_V4WB if MMU
86 select CPU_TLB_V4WBI if MMU
101 select CPU_COPY_V4WB if MMU
105 select CPU_TLB_V4WBI if MMU
[all …]
/Linux-v5.15/drivers/gpu/drm/msm/
Dmsm_mmu.h13 void (*detach)(struct msm_mmu *mmu);
14 int (*map)(struct msm_mmu *mmu, uint64_t iova, struct sg_table *sgt,
16 int (*unmap)(struct msm_mmu *mmu, uint64_t iova, size_t len);
17 void (*destroy)(struct msm_mmu *mmu);
18 void (*resume_translation)(struct msm_mmu *mmu);
35 static inline void msm_mmu_init(struct msm_mmu *mmu, struct device *dev, in msm_mmu_init() argument
38 mmu->dev = dev; in msm_mmu_init()
39 mmu->funcs = funcs; in msm_mmu_init()
40 mmu->type = type; in msm_mmu_init()
46 static inline void msm_mmu_set_fault_handler(struct msm_mmu *mmu, void *arg, in msm_mmu_set_fault_handler() argument
[all …]
Dmsm_iommu.c27 static struct msm_iommu_pagetable *to_pagetable(struct msm_mmu *mmu) in to_pagetable() argument
29 return container_of(mmu, struct msm_iommu_pagetable, base); in to_pagetable()
32 static int msm_iommu_pagetable_unmap(struct msm_mmu *mmu, u64 iova, in msm_iommu_pagetable_unmap() argument
35 struct msm_iommu_pagetable *pagetable = to_pagetable(mmu); in msm_iommu_pagetable_unmap()
51 static int msm_iommu_pagetable_map(struct msm_mmu *mmu, u64 iova, in msm_iommu_pagetable_map() argument
54 struct msm_iommu_pagetable *pagetable = to_pagetable(mmu); in msm_iommu_pagetable_map()
68 msm_iommu_pagetable_unmap(mmu, iova, mapped); in msm_iommu_pagetable_map()
82 static void msm_iommu_pagetable_destroy(struct msm_mmu *mmu) in msm_iommu_pagetable_destroy() argument
84 struct msm_iommu_pagetable *pagetable = to_pagetable(mmu); in msm_iommu_pagetable_destroy()
100 int msm_iommu_pagetable_params(struct msm_mmu *mmu, in msm_iommu_pagetable_params() argument
[all …]
Dmsm_gem_vma.c18 if (aspace->mmu) in msm_gem_address_space_destroy()
19 aspace->mmu->funcs->destroy(aspace->mmu); in msm_gem_address_space_destroy()
54 if (aspace->mmu) in msm_gem_purge_vma()
55 aspace->mmu->funcs->unmap(aspace->mmu, vma->iova, size); in msm_gem_purge_vma()
87 if (aspace && aspace->mmu) in msm_gem_map_vma()
88 ret = aspace->mmu->funcs->map(aspace->mmu, vma->iova, sgt, in msm_gem_map_vma()
143 msm_gem_address_space_create(struct msm_mmu *mmu, const char *name, in msm_gem_address_space_create() argument
148 if (IS_ERR(mmu)) in msm_gem_address_space_create()
149 return ERR_CAST(mmu); in msm_gem_address_space_create()
157 aspace->mmu = mmu; in msm_gem_address_space_create()
/Linux-v5.15/arch/arc/mm/
Dtlb.c16 #include <asm/mmu.h>
85 * If Not already present get a free slot from MMU. in tlb_entry_insert()
97 * Commit the Entry to MMU in tlb_entry_insert()
129 * Un-conditionally (without lookup) erase the entire MMU contents
134 struct cpuinfo_arc_mmu *mmu = &cpuinfo_arc700[smp_processor_id()].mmu; in local_flush_tlb_all() local
137 int num_tlb = mmu->sets * mmu->ways; in local_flush_tlb_all()
180 * Only for fork( ) do we need to move parent to a new MMU ctxt, in local_flush_tlb_mm()
243 /* Flush the kernel TLB entries - vmalloc/modules (Global from MMU perspective)
272 * Delete TLB entry in MMU for a given page (??? address)
401 * -it ASID for TLB entry is fetched from MMU ASID reg (valid for curr) in create_tlb()
[all …]
/Linux-v5.15/drivers/staging/media/atomisp/pci/hive_isp_css_include/host/
Dmmu_public.h23 /*! Set the page table base index of MMU[ID]
25 \param ID[in] MMU identifier
28 \return none, MMU[ID].page_table_base_index = base_index
34 /*! Get the page table base index of MMU[ID]
36 \param ID[in] MMU identifier
39 \return MMU[ID].page_table_base_index
44 /*! Invalidate the page table cache of MMU[ID]
46 \param ID[in] MMU identifier
59 /*! Write to a control register of MMU[ID]
61 \param ID[in] MMU identifier
[all …]
/Linux-v5.15/arch/x86/include/asm/
Dparavirt.h71 PVOP_VCALL0(mmu.flush_tlb_user); in __flush_tlb_local()
76 PVOP_VCALL0(mmu.flush_tlb_kernel); in __flush_tlb_global()
81 PVOP_VCALL1(mmu.flush_tlb_one_user, addr); in __flush_tlb_one_user()
87 PVOP_VCALL2(mmu.flush_tlb_multi, cpumask, info); in __flush_tlb_multi()
92 PVOP_VCALL2(mmu.tlb_remove_table, tlb, table); in paravirt_tlb_remove_table()
97 PVOP_VCALL1(mmu.exit_mmap, mm); in paravirt_arch_exit_mmap()
138 return PVOP_ALT_CALLEE0(unsigned long, mmu.read_cr2, in read_cr2()
145 PVOP_VCALL1(mmu.write_cr2, x); in write_cr2()
150 return PVOP_ALT_CALL0(unsigned long, mmu.read_cr3, in __read_cr3()
156 PVOP_ALT_VCALL1(mmu.write_cr3, x, in write_cr3()
[all …]
/Linux-v5.15/arch/sh/mm/
DKconfig4 config MMU config
9 Some SH processors (such as SH-2/SH-2A) lack an MMU. In order to
12 On other systems (such as the SH-3 and 4) where an MMU exists,
14 MMU implicitly switched off.
18 default "0x80000000" if MMU
28 default "14" if !MMU
78 default !MMU
82 depends on MMU && CPU_SH4A && !CPU_SH4AL_DSP
92 depends on (CPU_SHX2 || CPU_SHX3) && MMU
96 depends on MMU && (CPU_SH3 || CPU_SH4)
[all …]
/Linux-v5.15/Documentation/admin-guide/mm/
Dnommu-mmap.rst2 No-MMU memory mapping support
5 The kernel has limited support for memory mapping under no-MMU conditions, such
16 The behaviour is similar between the MMU and no-MMU cases, but not identical;
21 In the MMU case: VM regions backed by arbitrary pages; copy-on-write
24 In the no-MMU case: VM regions backed by arbitrary contiguous runs of
30 shared across fork() or clone() without CLONE_VM in the MMU case. Since
31 the no-MMU case doesn't support these, behaviour is identical to
36 In the MMU case: VM regions backed by pages read from file; changes to
39 In the no-MMU case:
56 are visible in other processes (no MMU protection), but should not
[all …]
/Linux-v5.15/Documentation/devicetree/bindings/iommu/
Dsamsung,sysmmu.yaml7 title: Samsung Exynos IOMMU H/W, System MMU (System Memory Management Unit)
17 System MMU is an IOMMU and supports identical translation table format to
19 permissions, shareability and security protection. In addition, System MMU has
25 master), but one System MMU can handle transactions from only one peripheral
26 device. The relation between a System MMU and the peripheral device needs to be
31 * MFC has one System MMU on its left and right bus.
32 * FIMD in Exynos5420 has one System MMU for window 0 and 4, the other system MMU
34 * M2M Scalers and G2D in Exynos5420 has one System MMU on the read channel and
35 the other System MMU on the write channel.
37 For information on assigning System MMU controller to its peripheral devices,
[all …]
/Linux-v5.15/arch/xtensa/
DKconfig5 select ARCH_HAS_BINFMT_FLAT if !MMU
6 select ARCH_HAS_DMA_PREP_COHERENT if MMU
7 select ARCH_HAS_SYNC_DMA_FOR_CPU if MMU
8 select ARCH_HAS_SYNC_DMA_FOR_DEVICE if MMU
9 select ARCH_HAS_DMA_SET_UNCACHED if MMU
20 select DMA_REMAP if MMU
27 select HAVE_ARCH_KASAN if MMU && !XIP_KERNEL
34 select HAVE_FUTEX_CMPXCHG if !MMU && FUTEX
77 config MMU config
101 select MMU
[all …]

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