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/linux/tools/memory-model/
H A Dlinux-kernel.cat28 let acq-po = [Acquire] ; po ; [M]
29 let po-rel = [M] ; po ; [Release]
30 let po-unlock-lock-po = po ; [UL] ; (po|rf) ; [LKR] ; po
33 let R4rmb = R \ Noreturn (* Reads for which rmb works *)
34 let rmb = [R4rmb] ; fencerel(Rmb) ; [R4rmb]
35 let wmb = [W] ; fencerel(Wmb) ; [W]
36 let mb = ([M] ; fencerel(Mb) ; [M]) |
64 let gp = po ; [Sync-rcu | Sync-srcu] ; po?
65 let strong-fence = mb | gp
67 let nonr
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H A Dlock.cat33 let RL = try RL with emptyset
34 let RU = try RU with emptyset
37 let LF = LF | RL
40 let ALL-LOCKS = LKR | LKW | UL | LF | RU | Srcu-lock | Srcu-unlock | Sync-srcu
44 let lk-rmw = ([LKR] ; po-loc ; [LKW]) \ (po ; po)
45 let rmw = rmw | lk-rmw
70 let R = R | LKR | LF | RU
71 let W = W | LKW
73 let Release = Release | UL
74 let Acquire = Acquire | LKR
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H A Dlinux-kernel.bell44 let FailedRMW = RMW \ (domain(rmw) | range(rmw))
45 let Acquire = ACQUIRE \ W \ FailedRMW
46 let Release = RELEASE \ R \ FailedRMW
47 let Mb = MB \ FailedRMW
48 let Noreturn = NORETURN \ W
54 let Srcu = Srcu-lock | Srcu-unlock | Sync-srcu
57 let rcu-rscs = let rec
73 let carry-srcu-data = (data ; [~ Srcu-unlock] ; rf)*
74 let src
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/linux/samples/rust/
H A Drust_driver_platform.rs107 let dev = pdev.as_ref(); in probe()
111 if let Some(info) = info { in probe()
119 let drvdata = KBox::new(Self { pdev: pdev.into() }, GFP_KERNEL)?; in probe()
127 let fwnode = dev.fwnode().ok_or(ENOENT)?; in properties_parse()
129 if let Ok(idx) = in properties_parse()
135 let name = c_str!("compatible"); in properties_parse()
136 let prop = fwnode.property_read::<CString>(name).required_by(dev)?; in properties_parse()
139 let name = c_str!("test,bool-prop"); in properties_parse()
140 let prop = fwnode.property_read_bool(c_str!("test,bool-prop")); in properties_parse()
147 let nam in properties_parse()
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/linux/rust/kernel/
H A Dmaple_tree.rs57 let first = match range.start_bound() { in to_maple_range()
63 let last = match range.end_bound() { in to_maple_range()
103 /// let tree = KBox::pin_init(MapleTree::<KBox<i32>>::new(), GFP_KERNEL)?;
105 /// let ten = KBox::new(10, GFP_KERNEL)?;
106 /// let twenty = KBox::new(20, GFP_KERNEL)?;
107 /// let the_answer = KBox::new(42, GFP_KERNEL)?;
142 /// let tree = KBox::pin_init(MapleTree::<KBox<i32>>::new(), GFP_KERNEL)?;
144 /// let ten = KBox::new(10, GFP_KERNEL)?;
145 /// let twenty = KBox::new(20, GFP_KERNEL)?;
146 /// let the_answer = KBox::new(42, GFP_KERNEL)?;
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H A Dstr.rs63 /// let ascii = b_str!("Hello, BStr!");
64 /// let s = CString::try_from_fmt(fmt!("{ascii}"))?;
67 /// let non_ascii = b_str!("?"); in fmt()
68 /// let s = CString::try_from_fmt(fmt!("{non_ascii}"))?; in fmt()
95 /// let ascii = b_str!("Hello, \"BStr\"!");
96 /// let s = CString::try_from_fmt(fmt!("{ascii:?}"))?;
99 /// let non_ascii = b_str!("?"); in fmt()
100 /// let s = CString::try_from_fmt(fmt!("{non_ascii:?}"))?; in fmt()
252 let len = unsafe { bindings::strlen(ptr) } + 1; in from_char_ptr()
254 let byte in from_char_ptr()
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H A Drbtree.rs30 /// let mut tree = RBTree::new();
46 /// let mut iter = tree.iter();
63 /// let mut iter = tree.iter();
75 /// let mut iter = tree.iter();
87 /// let mut iter = tree.iter();
105 /// let node = RBTreeNode::new(10, 100, flags::GFP_KERNEL)?;
109 /// let mut guard = tree.lock();
121 /// let mut tree = RBTree::new();
130 /// let mut iter = tree.iter();
138 /// let existing = tree.remove(&30);
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H A Dauxiliary.rs63 let adev = unsafe { &*adev.cast::<Device<device::CoreInternal>>() }; in probe_callback()
67 let id = unsafe { &*id.cast::<DeviceId>() }; in probe_callback()
68 let info = T::ID_TABLE.info(id.index()); in probe_callback()
71 let data = T::probe(adev, info)?; in probe_callback()
83 let adev = unsafe { &*adev.cast::<Device<device::CoreInternal>>() }; in remove_callback()
108 let name = name.to_bytes_with_nul(); in new()
109 let modname = modname.to_bytes_with_nul(); in new()
115 let mut id: bindings::auxiliary_device_id = unsafe { core::mem::zeroed() }; in new()
117 let mut i = 0; in new()
126 let mu in new()
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H A Dmiscdevice.rs36 let mut result: bindings::miscdevice = unsafe { MaybeUninit::zeroed().assume_init() }; in into_raw()
206 let ret = unsafe { bindings::generic_file_open(inode, raw_file) }; in open()
212 let misc_ptr = unsafe { (*raw_file).private_data }; in open()
218 let misc = unsafe { &*misc_ptr.cast::<MiscDeviceRegistration<T>>() }; in open()
223 let file = unsafe { File::from_raw_file(raw_file) }; in open()
225 let ptr = match T::open(file, misc) { in open()
247 let private = unsafe { (*file).private_data };
249 let ptr = unsafe { <T::Ptr as ForeignOwnable>::from_foreign(private) };
269 let kiocb = unsafe { Kiocb::from_raw(kiocb) }; in mmap()
271 let io in mmap()
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H A Dbitmap.rs38 let data: *const [()] = core::ptr::slice_from_raw_parts(ptr.cast(), nbits); in from_raw()
63 let data: *mut [()] = core::ptr::slice_from_raw_parts_mut(ptr.cast(), nbits); in from_raw_mut()
134 /// let mut b = BitmapVec::new(16, GFP_KERNEL)?;
167 let ptr = if self.nbits <= BITS_PER_LONG { in deref()
186 let ptr = if self.nbits <= BITS_PER_LONG { in deref_mut()
244 let nbits_u32 = u32::try_from(nbits).unwrap(); in new()
246 let ptr = unsafe { bindings::bitmap_zalloc(nbits_u32, flags.as_raw()) }; in new()
247 let ptr = NonNull::new(ptr).ok_or(AllocError)?; in new()
389 /// let mut long_bitmap = BitmapVec::new(256, GFP_KERNEL)?;
393 /// let mut short_bitmap = BitmapVec::new(16, GFP_KERNEL)?;
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H A Dxarray.rs32 /// let xa = KBox::pin_init(XArray::new(AllocKind::Alloc1), GFP_KERNEL)?;
34 /// let dead = KBox::new(0xdead, GFP_KERNEL)?;
35 /// let beef = KBox::new(0xbeef, GFP_KERNEL)?;
37 /// let mut guard = xa.lock();
66 let ptr = ptr.as_ptr(); in drop()
90 let flags = match kind { in new()
106 let mut index = 0; in iter()
186 let ptr = unsafe { bindings::xa_load(self.xa.xa.get(), index) }; in load()
187 let ptr = NonNull::new(ptr.cast())?; in load()
212 let ptr = unsafe { bindings::__xa_erase(self.xa.xa.get(), index) }.cast(); in remove()
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/linux/rust/kernel/io/
H A Dmem.rs57 /// let offset = 0; // Some offset.
62 /// let request = pdev.io_request_by_index(0).ok_or(ENODEV)?;
63 /// let iomem = request.iomap_sized::<42>();
64 /// let iomem = KBox::pin_init(iomem, GFP_KERNEL)?;
66 /// let io = iomem.access(pdev.as_ref())?;
69 /// let data = io.read32_relaxed(offset);
115 /// let offset = 0; // Some offset.
121 /// let request = pdev.io_request_by_index(0).ok_or(ENODEV)?;
122 /// let iomem = request.iomap();
123 /// let iomem = KBox::pin_init(iomem, GFP_KERNEL)?;
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/linux/rust/kernel/alloc/
H A Dkvec.rs38 /// let mut v = kernel::kvec![];
42 /// let mut v = kernel::kvec![1; 3]?;
46 /// let mut v = kernel::kvec![1, 2, 3]?;
120 /// let mut v = KVec::new();
133 /// let mut v = VVec::new();
146 /// let mut v = KVVec::new();
234 /// let mut v = KVec::new();
270 /// let mut v = KVec::new();
305 let ptr = unsafe { self.as_mut_ptr().add(self.len) }.cast::<MaybeUninit<T>>(); in spare_capacity_mut()
317 /// let mut v = KVec::new();
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H A Dkbox.rs41 /// let b = KBox::<u64>::new(24_u64, GFP_KERNEL)?;
71 /// let _ = KBox::new(FooStruct, GFP_KERNEL)? as KBox<dyn FooTrait>;
113 /// let b = KBox::new(24_u64, GFP_KERNEL)?;
125 /// let b = VBox::new(24_u64, GFP_KERNEL)?;
137 /// let b = KVBox::new(24_u64, GFP_KERNEL)?;
194 /// let x = KBox::new(24, GFP_KERNEL)?;
195 /// let ptr = KBox::into_raw(x);
197 /// let x = unsafe { KBox::from_raw(ptr) };
231 let raw = Self::into_raw(self); in assume_init()
257 let b = Self::new_uninit(flags)?; in new()
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H A Dallocator.rs92 let size = layout.size(); in call()
93 let ptr = match ptr { in call()
112 let raw_ptr = unsafe { in call()
117 let ptr = if size == 0 { in call()
153 let layout = Kmalloc::aligned_layout(layout); in realloc()
170 /// let mut vbox = VBox::<[u8; page::PAGE_SIZE]>::new_uninit(GFP_KERNEL)?;
174 /// let ptr = unsafe { NonNull::new_unchecked(from_mut(&mut *vbox)) };
179 /// let page = unsafe { Vmalloc::to_page(ptr.cast()) };
193 let page = unsafe { bindings::vmalloc_to_page(ptr.as_ptr().cast()) }; in to_page()
197 let page = unsafe { NonNull::new_unchecked(page) }; in to_page()
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/linux/scripts/
H A Drustdoc_test_gen.rs51 let potential_components: Vec<&str> = file.strip_suffix("_rs").unwrap().split('_').collect(); in find_real_path()
62 let joined_potential_components = potential_components.join("_") + ".rs"; in find_real_path()
80 let (components_prefix, components_rest) = potential_components.split_at(i); in find_real_path()
81 let prefix = prefix.join(components_prefix.join("_")); in find_real_path()
97 let mut candidates = String::new(); in find_real_path()
110 let srctree = std::env::var("srctree").unwrap(); in main()
111 let srctree = Path::new(&srctree); in main()
113 let mut paths = fs::read_dir("rust/test/doctests/kernel") in main()
121 let mut rust_tests = String::new(); in main()
122 let mu in main()
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/linux/rust/macros/
H A Dvtable.rs8 let mut tokens: Vec<_> = ts.into_iter().collect(); in vtable()
11 let is_trait = tokens in vtable()
24 let body = match tokens.pop() { in vtable()
29 let mut body_it = body.stream().into_iter(); in vtable()
30 let mut functions = Vec::new(); in vtable()
31 let mut consts = HashSet::new(); in vtable()
32 while let Some(token) = body_it.next() { in vtable()
35 let fn_name = match body_it.next() { in vtable()
43 let const_name = match body_it.next() { in vtable()
54 let mut const_items; in vtable()
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H A Dkunit.rs12 let attr = attr.to_string(); in kunit_tests()
22 let mut tokens: Vec<_> = ts.into_iter().collect(); in kunit_tests()
37 let body = match tokens.pop() { in kunit_tests()
43 let mut body_it = body.stream().into_iter(); in kunit_tests()
44 let mut tests = Vec::new(); in kunit_tests()
45 let mut attributes: HashMap<String, TokenStream> = HashMap::new(); in kunit_tests()
46 while let Some(token) = body_it.next() { in kunit_tests()
50 if let Some(TokenTree::Ident(name)) = g.stream().into_iter().next() { in kunit_tests()
63 if let Some(TokenTree::Ident(test_name)) = body_it.next() { in kunit_tests()
74 let config_kuni in kunit_tests()
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H A Dpaste.rs6 let mut tokens = tokens.iter(); in concat_helper()
7 let mut segments = Vec::new(); in concat_helper()
8 let mut span = None; in concat_helper()
14 let mut value = lit.to_string(); in concat_helper()
22 let mut value = ident.to_string(); in concat_helper()
29 let Some(TokenTree::Ident(ident)) = tokens.next() else { in concat_helper()
33 let (mut value, sp) = segments.pop().expect("expected identifier before modifier"); in concat_helper()
50 let tokens = group.stream().into_iter().collect::<Vec<TokenTree>>(); in concat_helper()
61 let segments = concat_helper(tokens); in concat()
62 let pasted: String = segments.into_iter().map(|x| x.0).collect(); in concat()
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H A Dmodule.rs8 let group = expect_group(it); in expect_string_array()
10 let mut values = Vec::new(); in expect_string_array()
11 let mut it = group.stream().into_iter(); in expect_string_array()
13 while let Some(val) = try_string(&mut it) { in expect_string_array()
41 let string = if builtin { in emit_base()
105 let mut info = ModuleInfo::default(); in parse()
117 let mut seen_keys = Vec::new(); in parse()
120 let key = match it.next() { in parse()
156 let mut ordered_keys: Vec<&str> = Vec::new(); in parse()
172 let mut it = ts.into_iter(); in module()
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H A Dhelpers.rs6 if let Some(TokenTree::Ident(ident)) = it.next() { in try_ident()
14 if let Some(TokenTree::Literal(literal)) = it.next() { in try_literal()
24 let content = &string[1..string.len() - 1]; in try_string()
42 if let TokenTree::Punct(punct) = it.next().expect("Reached end of token stream for Punct") { in expect_punct()
54 let string = try_string(it).expect("Expected string"); in expect_string_ascii()
60 if let TokenTree::Group(group) = it.next().expect("Reached end of token stream for Group") { in expect_group()
75 let mut input = input.into_iter(); in function_name()
76 while let Some(token) = input.next() { in function_name()
79 if let Some(TokenTree::Ident(i)) = input.next() { in function_name()
/linux/rust/kernel/sync/
H A Darc.rs62 /// let obj = Arc::new(Example { a: 10, b: 20 }, GFP_KERNEL)?;
65 /// let cloned = obj.clone();
101 /// let obj = Arc::new(Example { a: 10, b: 20 }, GFP_KERNEL)?;
124 /// let obj: Arc<Example> = Arc::new(Example, GFP_KERNEL)?;
127 /// let coerced: Arc<dyn MyTrait> = obj;
160 let refcount_layout = Layout::new::<Refcount>(); in container_of()
162 let val_layout = Layout::for_value(unsafe { &*ptr }); in container_of()
165 let val_offset = unsafe { refcount_layout.extend(val_layout).unwrap_unchecked().1 }; in container_of()
172 let ptr = ptr as *const ArcInner<T>; in container_of()
177 let pt in container_of()
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/linux/rust/kernel/device/
H A Dproperty.rs83 let name = unsafe { bindings::fwnode_get_name(self.0.as_raw()) }; in display_name()
90 let name = unsafe { CStr::from_char_ptr(name) }; in display_name()
118 let ret = unsafe { in property_match_string()
135 let mut val: KVec<T> = KVec::with_capacity(len, GFP_KERNEL)?; in property_read_array_vec()
137 let res = T::read_array_from_fwnode_property(self, name, val.spare_capacity_mut()); in property_read_array_vec()
138 let res = match res { in property_read_array_vec()
183 /// let fwnode = dev.fwnode().ok_or(ENOENT)?;
184 /// let b: u32 = fwnode.property_read(c_str!("some-number")).required_by(dev)?;
185 /// if let Some(s) = fwnode.property_read::<CString>(c_str!("some-str")).optional() {
205 let chil in get_child_by_name()
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/linux/rust/pin-init/examples/
H A Dpthread_mutex.rs68 let init = |slot: *mut UnsafeCell<libc::pthread_mutex_t>| { in new()
70 let slot: *mut libc::pthread_mutex_t = slot.cast(); in new()
71 let mut attr = MaybeUninit::uninit(); in new()
72 let attr = attr.as_mut_ptr(); in new()
74 let ret = unsafe { libc::pthread_mutexattr_init(attr) }; in new()
79 let ret = unsafe { in new()
90 let ret = unsafe { libc::pthread_mutex_init(slot, attr) }; in new()
155 let mtx: Pin<Arc<PThreadMutex<usize>>> = Arc::try_pin_init(PThreadMutex::new(0)).unwrap(); in main()
156 let mut handles = vec![]; in main()
157 let thread_count = 20; in main()
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/linux/rust/pin-init/internal/src/
H A Dzeroable.rs17 let ( in parse_zeroable_derive_input()
26 let last = rest.pop(); in parse_zeroable_derive_input()
28 let mut new_impl_generics = Vec::with_capacity(impl_generics.len()); in parse_zeroable_derive_input()
30 let mut in_generic = !impl_generics.is_empty(); in parse_zeroable_derive_input()
32 let mut inserted = false; in parse_zeroable_derive_input()
34 let mut nested = 0; in parse_zeroable_derive_input()
78 let (rest, new_impl_generics, ty_generics, last) = parse_zeroable_derive_input(input); in derive()
91 let (rest, new_impl_generics, ty_generics, last) = parse_zeroable_derive_input(input); in maybe_derive()

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