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/Linux-v5.15/Documentation/devicetree/bindings/hwmon/
Dmoortec,mr75203.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Rahul Tanwar <rtanwar@maxlinear.com>
18 - description: PVT common registers
19 - description: PVT temprature sensor registers
20 - description: PVT process detector registers
21 - description: PVT voltage monitor registers
23 reg-names:
25 - const: common
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/Linux-v5.15/drivers/irqchip/
Dirq-gic-v4.c1 // SPDX-License-Identifier: GPL-2.0-only
13 #include <linux/irqchip/arm-gic-v4.h>
25 * agnostic actually means KVM-specific - what were you thinking?).
30 * - Any guest-visible VLPI is backed by a Linux interrupt (and a
36 * - Enabling/disabling a VLPI is done by issuing mask/unmask calls.
38 * - Guest INT/CLEAR commands are implemented through
41 * - The *bizarre* stuff (mapping/unmapping an interrupt to a VLPI, or
45 * confines the crap to a single location. And map/unmap really is
61 * interrupts which are delivered when a VLPI targeting a non-running
70 * - VMs (or rather the VM abstraction that matters to the GIC)
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Dirq-gic-v3-its.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * Copyright (C) 2013-2017 ARM Limited, All Rights Reserved.
14 #include <linux/dma-iommu.h>
34 #include <linux/irqchip/arm-gic-v3.h>
35 #include <linux/irqchip/arm-gic-v4.h>
40 #include "irq-gic-common.h"
63 * Collection structure - just an ID, and a redistributor address to
73 * The ITS_BASER structure - contains memory information, cached
86 * The ITS structure - contains most of the infrastructure, with the
87 * top-level MSI domain, the command queue, the collections, and the
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/Linux-v5.15/tools/testing/selftests/vm/
Dcompaction_test.c1 // SPDX-License-Identifier: GPL-2.0
25 void *map; member
32 char *cmd = "cat /proc/meminfo | grep -i memfree | grep -o '[0-9]*'"; in read_memory_info()
37 return -1; in read_memory_info()
43 cmd = "cat /proc/meminfo | grep -i hugepagesize | grep -o '[0-9]*'"; in read_memory_info()
48 return -1; in read_memory_info()
62 fd = open("/proc/sys/vm/compact_unevictable_allowed", in prereq()
66 "/proc/sys/vm/compact_unevictable_allowed\n"); in prereq()
67 return -1; in prereq()
72 "/proc/sys/vm/compact_unevictable_allowed\n"); in prereq()
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/Linux-v5.15/drivers/virt/acrn/
Dmm.c1 // SPDX-License-Identifier: GPL-2.0
18 static int modify_region(struct acrn_vm *vm, struct vm_memory_region_op *region) in modify_region() argument
25 return -ENOMEM; in modify_region()
27 regions->vmid = vm->vmid; in modify_region()
28 regions->regions_num = 1; in modify_region()
29 regions->regions_gpa = virt_to_phys(region); in modify_region()
34 "Failed to set memory region for VM[%u]!\n", vm->vmid); in modify_region()
41 * acrn_mm_region_add() - Set up the EPT mapping of a memory region.
42 * @vm: User VM.
43 * @user_gpa: A GPA of User VM.
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Dacrn_drv.h1 /* SPDX-License-Identifier: GPL-2.0 */
25 * struct vm_memory_region_op - Hypervisor memory operation
28 * @user_vm_pa: Physical address of User VM to be mapped.
29 * @service_vm_pa: Physical address of Service VM to be mapped.
33 * to manage the EPT mappings of a single memory region of the User VM. Several
46 * struct vm_memory_region_batch - A batch of vm_memory_region_op.
47 * @vmid: A User VM ID.
53 * multiple memory regions of a User VM. A &struct vm_memory_region_batch
65 * struct vm_memory_mapping - Memory map between a User VM and the Service VM
66 * @pages: Pages in Service VM kernel.
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/Linux-v5.15/tools/testing/selftests/kvm/x86_64/
Dvmx_dirty_log_test.c1 // SPDX-License-Identifier: GPL-2.0
55 GUEST_ASSERT(vmx->vmcs_gpa); in l1_guest_code()
76 struct kvm_vm *vm; in main() local
83 /* Create VM */ in main()
84 vm = vm_create_default(VCPU_ID, 0, l1_guest_code); in main()
85 vmx = vcpu_alloc_vmx(vm, &vmx_pages_gva); in main()
86 vcpu_args_set(vm, VCPU_ID, 1, vmx_pages_gva); in main()
87 run = vcpu_state(vm, VCPU_ID); in main()
90 vm_userspace_mem_region_add(vm, VM_MEM_SRC_ANONYMOUS, in main()
97 * Add an identity map for GVA range [0xc0000000, 0xc0002000). This in main()
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Dmmu_role_test.c1 // SPDX-License-Identifier: GPL-2.0
21 GUEST_ASSERT(regs->error_code == 0x9); in guest_pf_handler()
29 struct kvm_vm *vm; in mmu_role_test() local
33 /* Create VM */ in mmu_role_test()
34 vm = vm_create_default(VCPU_ID, 0, guest_code); in mmu_role_test()
35 run = vcpu_state(vm, VCPU_ID); in mmu_role_test()
37 /* Map 1gb page without a backing memlot. */ in mmu_role_test()
38 __virt_pg_map(vm, MMIO_GPA, MMIO_GPA, X86_PAGE_SIZE_1G); in mmu_role_test()
40 r = _vcpu_run(vm, VCPU_ID); in mmu_role_test()
44 TEST_ASSERT(run->exit_reason == KVM_EXIT_MMIO, in mmu_role_test()
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/Linux-v5.15/drivers/gpu/drm/i915/selftests/
Di915_vma.c42 if (vma->vm != rcu_access_pointer(ctx->vm)) { in assert_vma()
43 pr_err("VMA created with wrong VM\n"); in assert_vma()
47 if (vma->size != obj->base.size) { in assert_vma()
49 vma->size, obj->base.size); in assert_vma()
53 if (vma->ggtt_view.type != I915_GGTT_VIEW_NORMAL) { in assert_vma()
55 vma->ggtt_view.type); in assert_vma()
64 struct i915_address_space *vm, in checked_vma_instance() argument
70 vma = i915_vma_instance(obj, vm, view); in checked_vma_instance()
75 if (vma->vm != vm) { in checked_vma_instance()
76 pr_err("VMA's vm [%p] does not match request [%p]\n", in checked_vma_instance()
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/Linux-v5.15/arch/arm/mm/
Dmmu.c1 // SPDX-License-Identifier: GPL-2.0-only
5 * Copyright (C) 1995-2005 Russell King
34 #include <asm/mach/map.h>
46 * zero-initialized data and COW.
52 * The pmd table for the upper-most set of pages.
143 int i, selected = -1; in early_cachepolicy()
154 if (selected == -1) in early_cachepolicy()
238 [MT_DEVICE_NONSHARED] = { /* ARMv6 non-shared device */
434 pr_warn("Forcing write-allocate cache policy for SMP\n"); in build_mem_type_table()
445 * Pre-ARMv5 CPUs don't have TEX bits. Pre-ARMv6 CPUs or those in build_mem_type_table()
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Dioremap.c1 // SPDX-License-Identifier: GPL-2.0-only
5 * Re-map IO memory to kernel address space so that we can access it.
17 * Because the ARM only has a 32-bit address space we can't address the
18 * whole of the (physical) PCI space at once. PCI huge-mode addressing
41 #include <asm/mach/map.h>
52 struct vm_struct *vm; in find_static_vm_paddr() local
55 vm = &svm->vm; in find_static_vm_paddr()
56 if (!(vm->flags & VM_ARM_STATIC_MAPPING)) in find_static_vm_paddr()
58 if ((vm->flags & VM_ARM_MTYPE_MASK) != VM_ARM_MTYPE(mtype)) in find_static_vm_paddr()
61 if (vm->phys_addr > paddr || in find_static_vm_paddr()
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/Linux-v5.15/sound/pci/ctxfi/
Dctvmem.c1 // SPDX-License-Identifier: GPL-2.0-only
26 * Find or create vm block based on requested @size.
30 get_vm_block(struct ct_vm *vm, unsigned int size, struct ct_atc *atc) in get_vm_block() argument
36 if (size > vm->size) { in get_vm_block()
37 dev_err(atc->card->dev, in get_vm_block()
42 mutex_lock(&vm->lock); in get_vm_block()
43 list_for_each(pos, &vm->unused) { in get_vm_block()
45 if (entry->size >= size) in get_vm_block()
48 if (pos == &vm->unused) in get_vm_block()
51 if (entry->size == size) { in get_vm_block()
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/Linux-v5.15/include/linux/irqchip/
Darm-gic-v4.h1 /* SPDX-License-Identifier: GPL-2.0-only */
14 * ITSList mechanism to perform inter-ITS synchronization.
35 /* per-vPE VLPI tracking */
67 * vPE and vLPI operations using vpe->col_idx.
76 /* Unique (system-wide) VPE identifier */
88 * @vm: Pointer to the GICv4 notion of a VM
95 struct its_vm *vm; member
117 struct its_vlpi_map *map; member
131 int its_alloc_vcpu_irqs(struct its_vm *vm);
132 void its_free_vcpu_irqs(struct its_vm *vm);
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/Linux-v5.15/drivers/gpu/drm/i915/gem/selftests/
Di915_gem_context.c2 * SPDX-License-Identifier: MIT
33 return rcu_dereference_protected(ctx->vm, true); in ctx_vm()
45 int err = -ENODEV; in live_nop_switch()
55 if (!DRIVER_CAPS(i915)->has_logical_contexts) in live_nop_switch()
64 err = -ENOMEM; in live_nop_switch()
91 i915_request_await_dma_fence(this, &rq->fence); in live_nop_switch()
99 intel_gt_set_wedged(&i915->gt); in live_nop_switch()
101 err = -EIO; in live_nop_switch()
109 nctx, engine->name, ktime_to_ns(times[1] - times[0])); in live_nop_switch()
111 err = igt_live_test_begin(&t, i915, __func__, engine->name); in live_nop_switch()
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Di915_gem_coherency.c2 * SPDX-License-Identifier: MIT
27 void *map; in cpu_set() local
31 i915_gem_object_lock(ctx->obj, NULL); in cpu_set()
32 err = i915_gem_object_prepare_write(ctx->obj, &needs_clflush); in cpu_set()
36 page = i915_gem_object_get_page(ctx->obj, offset >> PAGE_SHIFT); in cpu_set()
37 map = kmap_atomic(page); in cpu_set()
38 cpu = map + offset_in_page(offset); in cpu_set()
48 kunmap_atomic(map); in cpu_set()
49 i915_gem_object_finish_access(ctx->obj); in cpu_set()
52 i915_gem_object_unlock(ctx->obj); in cpu_set()
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/Linux-v5.15/mm/
Dvmalloc.c1 // SPDX-License-Identifier: GPL-2.0-only
5 * SMP-safe vmalloc/vfree/ioremap, Tigran Aivazian <tigran@veritas.com>, May 2000
45 #include "pgalloc-track.h"
48 static unsigned int __ro_after_init ioremap_max_page_shift = BITS_PER_LONG - 1;
94 llist_for_each_safe(llnode, t, llist_del_all(&p->list)) in free_work()
110 return -ENOMEM; in vmap_pte_range()
143 if ((end - addr) != PMD_SIZE) in vmap_try_huge_pmd()
167 return -ENOMEM; in vmap_pmd_range()
178 return -ENOMEM; in vmap_pmd_range()
179 } while (pmd++, phys_addr += (next - addr), addr = next, addr != end); in vmap_pmd_range()
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/Linux-v5.15/drivers/gpu/drm/lima/
Dlima_gem.c1 // SPDX-License-Identifier: GPL-2.0 OR MIT
2 /* Copyright 2017-2019 Qiang Yu <yuq825@gmail.com> */
8 #include <linux/dma-mapping.h>
20 int lima_heap_alloc(struct lima_bo *bo, struct lima_vm *vm) in lima_heap_alloc() argument
23 struct address_space *mapping = bo->base.base.filp->f_mapping; in lima_heap_alloc()
24 struct device *dev = bo->base.base.dev->dev; in lima_heap_alloc()
25 size_t old_size = bo->heap_size; in lima_heap_alloc()
26 size_t new_size = bo->heap_size ? bo->heap_size * 2 : in lima_heap_alloc()
31 if (bo->heap_size >= bo->base.base.size) in lima_heap_alloc()
32 return -ENOSPC; in lima_heap_alloc()
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Dlima_sched.c1 // SPDX-License-Identifier: GPL-2.0 OR MIT
2 /* Copyright 2017-2019 Qiang Yu <yuq825@gmail.com> */
4 #include <linux/dma-buf-map.h>
34 return -ENOMEM; in lima_sched_slab_init()
43 if (!--lima_fence_slab_refcnt) { in lima_sched_slab_fini()
63 return f->pipe->base.name; in lima_fence_get_timeline_name()
78 call_rcu(&f->base.rcu, lima_fence_release_rcu); in lima_fence_release()
95 fence->pipe = pipe; in lima_fence_create()
96 dma_fence_init(&fence->base, &lima_fence_ops, &pipe->fence_lock, in lima_fence_create()
97 pipe->fence_context, ++pipe->fence_seqno); in lima_fence_create()
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/Linux-v5.15/Documentation/s390/
Dmonreader.rst2 Linux API for read access to z/VM Monitor Records
5 Date : 2004-Nov-26
15 usable from user space and allows read access to the z/VM Monitor Records
16 collected by the `*MONITOR` System Service of z/VM.
21 The z/VM guest on which you want to access this API needs to be configured in
25 This item will use the IUCV device driver to access the z/VM services, so you
26 need a kernel with IUCV support. You also need z/VM version 4.4 or 5.1.
30 location of the monitor DCSS with the Class E privileged CP command Q NSS MAP
33 See also "CP Command and Utility Reference" (SC24-6081-00) for more information
34 on the DEF STOR and Q NSS MAP commands, as well as "Saved Segments Planning
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/Linux-v5.15/tools/testing/selftests/kvm/lib/x86_64/
Dvmx.c1 // SPDX-License-Identifier: GPL-2.0-only
46 int vcpu_enable_evmcs(struct kvm_vm *vm, int vcpu_id) in vcpu_enable_evmcs() argument
55 vcpu_ioctl(vm, vcpu_id, KVM_ENABLE_CAP, &enable_evmcs_cap); in vcpu_enable_evmcs()
69 * vm - The VM to allocate guest-virtual addresses in.
72 * p_vmx_gva - The guest virtual address for the struct vmx_pages.
78 vcpu_alloc_vmx(struct kvm_vm *vm, vm_vaddr_t *p_vmx_gva) in vcpu_alloc_vmx() argument
80 vm_vaddr_t vmx_gva = vm_vaddr_alloc_page(vm); in vcpu_alloc_vmx()
81 struct vmx_pages *vmx = addr_gva2hva(vm, vmx_gva); in vcpu_alloc_vmx()
84 vmx->vmxon = (void *)vm_vaddr_alloc_page(vm); in vcpu_alloc_vmx()
85 vmx->vmxon_hva = addr_gva2hva(vm, (uintptr_t)vmx->vmxon); in vcpu_alloc_vmx()
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/Linux-v5.15/Documentation/vm/
Dovercommit-accounting.rst34 The overcommit policy is set via the sysctl ``vm.overcommit_memory``.
36 The overcommit amount can be set via ``vm.overcommit_ratio`` (percentage)
37 or ``vm.overcommit_kbytes`` (absolute value).
58 For a file backed map
59 | SHARED or READ-only - 0 cost (the file is the map not swap)
60 | PRIVATE WRITABLE - size of mapping per instance
62 For an anonymous or ``/dev/zero`` map
63 | SHARED - size of mapping
64 | PRIVATE READ-only - 0 cost (but of little use)
65 | PRIVATE WRITABLE - size of mapping per instance
/Linux-v5.15/tools/testing/selftests/kvm/
Dmemslot_perf_test.c1 // SPDX-License-Identifier: GPL-2.0
3 * A memslot-related performance benchmark.
36 #define MEM_TEST_SIZE (MEM_SIZE - 4096)
48 #define MEM_TEST_MAP_SIZE (MEM_SIZE_MAP - 4096)
50 static_assert(MEM_SIZE_MAP % 4096 == 0, "invalid map test region size");
51 static_assert(MEM_TEST_MAP_SIZE % 4096 == 0, "invalid map test region size");
52 static_assert(MEM_TEST_MAP_SIZE_PAGES % 2 == 0, "invalid map test region size");
53 static_assert(MEM_TEST_MAP_SIZE_PAGES > 2, "invalid map test region size");
62 #define MEM_TEST_UNMAP_CHUNK_PAGES (2U << (20 - 12))
92 struct kvm_vm *vm; member
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/Linux-v5.15/drivers/gpu/drm/omapdrm/
Domap_encoder.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * Copyright (C) 2011 Texas Instruments Incorporated - https://www.ti.com/
22 /* The encoder and connector both map to same dssdev.. the encoder
24 * of the hw, and the connector handles the 'read-only' parts, like
44 static void omap_encoder_update_videomode_flags(struct videomode *vm, in omap_encoder_update_videomode_flags() argument
47 if (!(vm->flags & (DISPLAY_FLAGS_DE_LOW | in omap_encoder_update_videomode_flags()
50 vm->flags |= DISPLAY_FLAGS_DE_LOW; in omap_encoder_update_videomode_flags()
52 vm->flags |= DISPLAY_FLAGS_DE_HIGH; in omap_encoder_update_videomode_flags()
55 if (!(vm->flags & (DISPLAY_FLAGS_PIXDATA_POSEDGE | in omap_encoder_update_videomode_flags()
58 vm->flags |= DISPLAY_FLAGS_PIXDATA_POSEDGE; in omap_encoder_update_videomode_flags()
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/Linux-v5.15/drivers/gpu/drm/amd/amdgpu/
Damdgpu_amdkfd_gpuvm.c2 * Copyright 2014-2018 Advanced Micro Devices, Inc.
22 #include <linux/dma-buf.h>
36 /* Userptr restore delay, just long enough to allow consecutive VM
59 #define domain_string(domain) domain_bit_to_string[ffs(domain)-1]
74 list_for_each_entry(entry, &mem->attachments, list) in kfd_mem_is_attached()
75 if (entry->bo_va->base.vm == avm) in kfd_mem_is_attached()
82 * System (TTM + userptr) memory - 15/16th System RAM
83 * TTM memory - 3/8th System RAM
91 mem = si.freeram - si.freehigh; in amdgpu_amdkfd_gpuvm_init_mem_limits()
95 kfd_mem_limit.max_system_mem_limit = mem - (mem >> 4); in amdgpu_amdkfd_gpuvm_init_mem_limits()
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/Linux-v5.15/drivers/misc/habanalabs/common/
Dmemory.c1 // SPDX-License-Identifier: GPL-2.0
4 * Copyright 2016-2019 HabanaLabs, Ltd.
17 /* use small pages for supporting non-pow2 (32M/40M/48M) DRAM phys page sizes */
31 * two chunks - one to return as result and a remainder to stay in the list.
44 * alloc_device_memory() - allocate device memory.
50 * - Allocate the requested size rounded up to 'dram_page_size' pages.
51 * - Return unique handle for later map/unmap/free.
56 struct hl_device *hdev = ctx->hdev; in alloc_device_memory()
57 struct hl_vm *vm = &hdev->vm; in alloc_device_memory() local
65 page_size = hdev->asic_prop.dram_page_size; in alloc_device_memory()
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