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/linux/arch/arm64/mm/
H A Dcontext.c38 #define ctxid2asid(asid) ((asid) & ~ASID_MASK) argument
39 #define asid2ctxid(asid, genid) ((asid) | (genid)) argument
44 u32 asid; in get_cpu_asid_bits() local
54 asid = 8; in get_cpu_asid_bits()
57 asid = 16; in get_cpu_asid_bits()
60 return asid; in get_cpu_asid_bits()
66 u32 asid = get_cpu_asid_bits(); in verify_cpu_asid_bits() local
68 if (asid < asid_bits) { in verify_cpu_asid_bits()
74 smp_processor_id(), asid, asid_bits); in verify_cpu_asid_bits()
101 #define asid_gen_match(asid) \ argument
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/linux/arch/arm/mm/
H A Dcontext.c56 u64 context_id, asid; in a15_erratum_get_cpumask() local
67 asid = per_cpu(active_asids, cpu).counter; in a15_erratum_get_cpumask()
68 if (asid == 0) in a15_erratum_get_cpumask()
69 asid = per_cpu(reserved_asids, cpu); in a15_erratum_get_cpumask()
70 if (context_id == asid) in a15_erratum_get_cpumask()
139 u64 asid; in flush_context() local
144 asid = atomic64_xchg(&per_cpu(active_asids, i), 0); in flush_context()
152 if (asid == 0) in flush_context()
153 asid = per_cpu(reserved_asids, i); in flush_context()
154 __set_bit(asid & ~ASID_MASK, asid_map); in flush_context()
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/linux/arch/csky/mm/
H A Dasid.c21 #define asid2idx(info, asid) (((asid) & ~ASID_MASK(info)) >> (info)->ctxt_shift) argument
27 u64 asid; in flush_context() local
33 asid = atomic64_xchg_relaxed(&active_asid(info, i), 0); in flush_context()
41 if (asid == 0) in flush_context()
42 asid = reserved_asid(info, i); in flush_context()
43 __set_bit(asid2idx(info, asid), info->map); in flush_context()
44 reserved_asid(info, i) = asid; in flush_context()
54 static bool check_update_reserved_asid(struct asid_info *info, u64 asid, in check_update_reserved_asid() argument
70 if (reserved_asid(info, cpu) == asid) { in check_update_reserved_asid()
83 u64 asid = atomic64_read(pasid); in new_context() local
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/linux/arch/xtensa/include/asm/
H A Dmmu_context.h72 unsigned long asid = cpu_asid_cache(cpu); in get_new_mmu_context() local
73 if ((++asid & ASID_MASK) == 0) { in get_new_mmu_context()
79 asid += ASID_USER_FIRST; in get_new_mmu_context()
81 cpu_asid_cache(cpu) = asid; in get_new_mmu_context()
82 mm->context.asid[cpu] = asid; in get_new_mmu_context()
93 unsigned long asid = mm->context.asid[cpu]; in get_mmu_context() local
95 if (asid == NO_CONTEXT || in get_mmu_context()
96 ((asid ^ cpu_asid_cache(cpu)) & ~ASID_MASK)) in get_mmu_context()
104 set_rasid_register(ASID_INSERT(mm->context.asid[cpu])); in activate_context()
120 mm->context.asid[cpu] = NO_CONTEXT; in init_new_context()
/linux/arch/sh/mm/
H A Dtlbflush_32.c21 unsigned long asid; in local_flush_tlb_page() local
24 asid = cpu_asid(cpu, vma->vm_mm); in local_flush_tlb_page()
30 set_asid(asid); in local_flush_tlb_page()
32 local_flush_tlb_one(asid, page); in local_flush_tlb_page()
56 unsigned long asid; in local_flush_tlb_range() local
59 asid = cpu_asid(cpu, mm); in local_flush_tlb_range()
65 set_asid(asid); in local_flush_tlb_range()
68 local_flush_tlb_one(asid, start); in local_flush_tlb_range()
89 unsigned long asid; in local_flush_tlb_kernel_range() local
92 asid = cpu_asid(cpu, &init_mm); in local_flush_tlb_kernel_range()
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/linux/arch/sh/include/asm/
H A Dmmu_context_32.h6 static inline void set_asid(unsigned long asid) in set_asid() argument
8 __raw_writel(asid, MMU_PTEAEX); in set_asid()
16 static inline void set_asid(unsigned long asid) in set_asid() argument
25 : "r" (asid), "m" (__m(MMU_PTEH)), in set_asid()
31 unsigned long asid; in get_asid() local
34 : "=r" (asid) in get_asid()
36 asid &= MMU_CONTEXT_ASID_MASK; in get_asid()
37 return asid; in get_asid()
H A Dmmu_context.h57 unsigned long asid = asid_cache(cpu); in get_mmu_context() local
60 if (((cpu_context(cpu, mm) ^ asid) & MMU_CONTEXT_VERSION_MASK) == 0) in get_mmu_context()
65 if (!(++asid & MMU_CONTEXT_ASID_MASK)) { in get_mmu_context()
76 if (!asid) in get_mmu_context()
77 asid = MMU_CONTEXT_FIRST_VERSION; in get_mmu_context()
80 cpu_context(cpu, mm) = asid_cache(cpu) = asid; in get_mmu_context()
128 #define set_asid(asid) do { } while (0) argument
131 #define switch_and_save_asid(asid) (0) argument
H A Dtlbflush.h23 extern void local_flush_tlb_one(unsigned long asid, unsigned long page);
35 extern void flush_tlb_one(unsigned long asid, unsigned long page);
42 #define flush_tlb_one(asid, page) local_flush_tlb_one(asid, page) argument
/linux/arch/loongarch/include/asm/
H A Dmmu_context.h34 #define cpu_context(cpu, mm) ((mm)->context.asid[cpu])
54 u64 asid = asid_cache(cpu); in get_new_mmu_context() local
56 if (!((++asid) & cpu_asid_mask(&cpu_data[cpu]))) in get_new_mmu_context()
59 cpu_context(cpu, mm) = asid_cache(cpu) = asid; in get_new_mmu_context()
77 static inline void atomic_update_pgd_asid(unsigned long asid, unsigned long pgdl) in atomic_update_pgd_asid() argument
82 : [asid_val] "+r" (asid), [pgdl_val] "+r" (pgdl) in atomic_update_pgd_asid()
143 int asid; in drop_mmu_context() local
148 asid = read_csr_asid() & cpu_asid_mask(&current_cpu_data); in drop_mmu_context()
150 if (asid == cpu_asid(cpu, mm)) { in drop_mmu_context()
/linux/drivers/misc/sgi-gru/
H A Dgrumain.c89 static int gru_reset_asid_limit(struct gru_state *gru, int asid) in gru_reset_asid_limit() argument
93 gru_dbg(grudev, "gid %d, asid 0x%x\n", gru->gs_gid, asid); in gru_reset_asid_limit()
96 if (asid >= limit) in gru_reset_asid_limit()
97 asid = gru_wrap_asid(gru); in gru_reset_asid_limit()
108 if (inuse_asid == asid) { in gru_reset_asid_limit()
109 asid += ASID_INC; in gru_reset_asid_limit()
110 if (asid >= limit) { in gru_reset_asid_limit()
116 if (asid >= MAX_ASID) in gru_reset_asid_limit()
117 asid = gru_wrap_asid(gru); in gru_reset_asid_limit()
122 if ((inuse_asid > asid) && (inuse_asid < limit)) in gru_reset_asid_limit()
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H A Dgrutlbpurge.c150 int grupagesize, pagesize, pageshift, gid, asid; in gru_flush_tlb_range() local
167 asid = asids->mt_asid; in gru_flush_tlb_range()
168 if (asids->mt_ctxbitmap && asid) { in gru_flush_tlb_range()
170 asid = GRUASID(asid, start); in gru_flush_tlb_range()
173 gid, asid, start, grupagesize, num, asids->mt_ctxbitmap); in gru_flush_tlb_range()
175 tgh_invalidate(tgh, start, ~0, asid, grupagesize, 0, in gru_flush_tlb_range()
184 gid, asid, asids->mt_ctxbitmap, in gru_flush_tlb_range()
H A Dgruhandles.c135 int asid, int pagesize, int global, int n, in tgh_invalidate() argument
139 tgh->asid = asid; in tgh_invalidate()
152 unsigned long vaddr, int asid, int dirty, in tfh_write_only() argument
155 tfh->fillasid = asid; in tfh_write_only()
168 unsigned long vaddr, int asid, int dirty, in tfh_write_restart() argument
171 tfh->fillasid = asid; in tfh_write_restart()
/linux/drivers/vhost/
H A Dvdpa.c71 u64 last, u32 asid);
80 static struct vhost_vdpa_as *asid_to_as(struct vhost_vdpa *v, u32 asid) in asid_to_as() argument
82 struct hlist_head *head = &v->as[asid % VHOST_VDPA_IOTLB_BUCKETS]; in asid_to_as()
86 if (as->id == asid) in asid_to_as()
92 static struct vhost_iotlb *asid_to_iotlb(struct vhost_vdpa *v, u32 asid) in asid_to_iotlb() argument
94 struct vhost_vdpa_as *as = asid_to_as(v, asid); in asid_to_iotlb()
102 static struct vhost_vdpa_as *vhost_vdpa_alloc_as(struct vhost_vdpa *v, u32 asid) in vhost_vdpa_alloc_as() argument
104 struct hlist_head *head = &v->as[asid % VHOST_VDPA_IOTLB_BUCKETS]; in vhost_vdpa_alloc_as()
107 if (asid_to_as(v, asid)) in vhost_vdpa_alloc_as()
110 if (asid >= v->vdpa->nas) in vhost_vdpa_alloc_as()
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/linux/drivers/accel/habanalabs/common/
H A Dasid.c50 void hl_asid_free(struct hl_device *hdev, unsigned long asid) in hl_asid_free() argument
52 if (asid == HL_KERNEL_ASID_ID || asid >= hdev->asic_prop.max_asid) { in hl_asid_free()
53 dev_crit(hdev->dev, "Invalid ASID %lu", asid); in hl_asid_free()
57 clear_bit(asid, hdev->asid_bitmap); in hl_asid_free()
H A Dcontext.c104 if (ctx->asid != HL_KERNEL_ASID_ID) { in hl_ctx_fini()
105 dev_dbg(hdev->dev, "closing user context, asid=%u\n", ctx->asid); in hl_ctx_fini()
120 hl_asid_free(hdev, ctx->asid); in hl_ctx_fini()
228 ctx->asid = HL_KERNEL_ASID_ID; /* Kernel driver gets ASID 0 */ in hl_ctx_init()
242 ctx->asid = hl_asid_alloc(hdev); in hl_ctx_init()
243 if (!ctx->asid) { in hl_ctx_init()
273 dev_dbg(hdev->dev, "create user context, comm=\"%s\", asid=%u\n", in hl_ctx_init()
274 current->comm, ctx->asid); in hl_ctx_init()
284 if (ctx->asid ! in hl_ctx_init()
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/linux/drivers/accel/habanalabs/gaudi/
H A Dgaudi.c479 static int gaudi_mmu_update_asid_hop0_addr(struct hl_device *hdev, u32 asid,
492 static void gaudi_mmu_prepare(struct hl_device *hdev, u32 asid);
5847 static int gaudi_context_switch(struct hl_device *hdev, u32 asid) in gaudi_context_switch() argument
6044 void gaudi_mmu_prepare_reg(struct hl_device *hdev, u64 reg, u32 asid) in gaudi_mmu_prepare_reg() argument
6048 WREG32_OR(reg, asid); in gaudi_mmu_prepare_reg()
6051 static void gaudi_mmu_prepare(struct hl_device *hdev, u32 asid) in gaudi_mmu_prepare() argument
6058 if (asid & ~DMA0_QM_GLBL_NON_SECURE_PROPS_0_ASID_MASK) { in gaudi_mmu_prepare()
6059 dev_crit(hdev->dev, "asid %u is too big\n", asid); in gaudi_mmu_prepare()
6063 gaudi_mmu_prepare_reg(hdev, mmDMA0_QM_GLBL_NON_SECURE_PROPS_0, asid); in gaudi_mmu_prepare()
6064 gaudi_mmu_prepare_reg(hdev, mmDMA0_QM_GLBL_NON_SECURE_PROPS_1, asid); in gaudi_mmu_prepare()
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/linux/drivers/iommu/arm/arm-smmu/
H A Dqcom_iommu.c62 u8 asid; /* asid and ctx bank # are 1:1 */ member
82 static struct qcom_iommu_ctx * to_ctx(struct qcom_iommu_domain *d, unsigned asid) in to_ctx() argument
87 return qcom_iommu->ctxs[asid]; in to_ctx()
141 iommu_writel(ctx, ARM_SMMU_CB_S1_TLBIASID, ctx->asid); in qcom_iommu_tlb_inv_context()
161 iova |= ctx->asid; in qcom_iommu_tlb_inv_range_nosync()
207 fsr, iova, fsynr, ctx->asid); in qcom_iommu_fault()
258 ret = qcom_scm_restore_sec_cfg(qcom_iommu->sec_id, ctx->asid); in qcom_iommu_init_domain()
282 FIELD_PREP(ARM_SMMU_TTBRn_ASID, ctx->asid)); in qcom_iommu_init_domain()
554 unsigned asid = args->args[0]; in qcom_iommu_of_xlate() local
572 if (WARN_ON(asid > qcom_iommu->max_asid) || in qcom_iommu_of_xlate()
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/linux/arch/mips/lib/
H A Dr3k_dump_tlb.c27 unsigned int asid; in dump_tlb() local
31 asid = read_c0_entryhi() & asid_mask; in dump_tlb()
46 (entryhi & asid_mask) == asid)) { in dump_tlb()
65 write_c0_entryhi(asid); in dump_tlb()
/linux/drivers/gpu/drm/xe/
H A Dxe_gt_pagefault.c26 u32 asid; member
53 u32 asid; member
187 static struct xe_vm *asid_to_vm(struct xe_device *xe, u32 asid) in asid_to_vm() argument
192 vm = xa_load(&xe->usm.asid_to_vm, asid); in asid_to_vm()
214 vm = asid_to_vm(xe, pf->asid); in handle_pagefault()
268 pf->asid, pf->vfid, pf->pdata, upper_32_bits(pf->page_addr), in print_pagefault()
293 pf->asid = FIELD_GET(PFD_ASID, desc->dw1); in get_pagefault()
326 u32 asid; in xe_guc_pagefault_handler() local
332 asid = FIELD_GET(PFD_ASID, msg[1]); in xe_guc_pagefault_handler()
333 pf_queue = gt->usm.pf_queue + (asid % NUM_PF_QUEUE); in xe_guc_pagefault_handler()
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H A Dxe_trace_bo.h90 __field(u32, asid)
99 __entry->asid = xe_vma_vm(vma)->usm.asid;
106 __get_str(dev), __entry->vma, __entry->asid, __entry->start,
187 __field(u32, asid)
193 __entry->asid = vm->usm.asid;
197 __entry->vm, __entry->asid)
/linux/arch/csky/include/asm/
H A Dasid.h46 u64 asid, old_active_asid; in asid_check_context() local
48 asid = atomic64_read(pasid); in asid_check_context()
66 !((asid ^ atomic64_read(&info->generation)) >> info->bits) && in asid_check_context()
68 old_active_asid, asid)) in asid_check_context()
H A Dmmu_context.h17 #define cpu_asid(mm) (atomic64_read(&mm->context.asid) & ASID_MASK)
19 #define init_new_context(tsk,mm) ({ atomic64_set(&(mm)->context.asid, 0); 0; })
32 setup_pgd(next->pgd, next->context.asid.counter); in switch_mm()
/linux/arch/xtensa/mm/
H A Dtlb.c71 mm->context.asid[cpu] = NO_CONTEXT; in local_flush_tlb_mm()
75 mm->context.asid[cpu] = NO_CONTEXT; in local_flush_tlb_mm()
96 if (mm->context.asid[cpu] == NO_CONTEXT) in local_flush_tlb_range()
100 (unsigned long)mm->context.asid[cpu], start, end); in local_flush_tlb_range()
106 set_rasid_register(ASID_INSERT(mm->context.asid[cpu])); in local_flush_tlb_range()
134 if (mm->context.asid[cpu] == NO_CONTEXT) in local_flush_tlb_page()
140 set_rasid_register(ASID_INSERT(mm->context.asid[cpu])); in local_flush_tlb_page()
/linux/arch/loongarch/lib/
H A Ddump_tlb.c30 unsigned long s_entryhi, entryhi, asid; in dump_tlb() local
52 asid = read_csr_asid(); in dump_tlb()
61 asid != s_asid) in dump_tlb()
73 vwidth, (entryhi & ~0x1fffUL), asidwidth, asid & asidmask); in dump_tlb()
/linux/arch/mips/mm/
H A Dcontext.c24 u64 asid; in get_new_mmu_context() local
34 asid = asid_cache(cpu); in get_new_mmu_context()
36 if (!((asid += cpu_asid_inc()) & cpu_asid_mask(&cpu_data[cpu]))) { in get_new_mmu_context()
42 set_cpu_context(cpu, mm, asid); in get_new_mmu_context()
43 asid_cache(cpu) = asid; in get_new_mmu_context()

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