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Searched refs:usize (Results 1 – 25 of 129) sorted by relevance

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/linux/rust/kernel/
H A Dsizes.rs7 //! The top-level `SZ_*` constants are [`usize`]-typed, for use in kernel page
11 //! on [`u32`], [`u64`], and [`usize`], for use in device address spaces where
13 //! these constants as [`u64`] (or [`u32`]) rather than [`usize`], because
93 pub const $name: usize = bindings::$name as usize;
98 /// Implemented for [`u32`], [`u64`], and [`usize`] so drivers can
134 define_sizes!(u32, u64, usize);
H A Dio.rs42 pub struct MmioRaw<const SIZE: usize = 0> {
43 addr: usize,
44 maxsize: usize,
47 impl<const SIZE: usize> MmioRaw<SIZE> {
49 pub fn new(addr: usize, maxsize: usize) -> Result<Self> { in new() argument
59 pub fn addr(&self) -> usize { in addr() argument
65 pub fn maxsize(&self) -> usize { in maxsize() argument
142 pub struct Mmio<const SIZE: usize = 0>(MmioRaw<SIZE>);
147 const fn offset_valid<U>(offset: usize, size: usize) -> bool { in offset_valid() argument
170 unsafe fn io_read(&self, address: usize) -> T; in io_read()
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H A Dbitmap.rs35 pub unsafe fn from_raw<'a>(ptr: *const usize, nbits: usize) -> &'a Bitmap { in from_raw() argument
60 pub unsafe fn from_raw_mut<'a>(ptr: *mut usize, nbits: usize) -> &'a mut Bitmap { in from_raw_mut() argument
76 pub fn as_ptr(&self) -> *const usize { in as_ptr() argument
77 core::ptr::from_ref::<Bitmap>(self).cast::<usize>() in as_ptr()
81 pub fn as_mut_ptr(&mut self) -> *mut usize { in as_mut_ptr() argument
82 core::ptr::from_mut::<Bitmap>(self).cast::<usize>() in as_mut_ptr()
87 pub fn len(&self) -> usize { in len() argument
95 bitmap: usize,
96 ptr: NonNull<usize>,
158 nbits: usize,
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H A Ddevice_id.rs48 const DRIVER_DATA_OFFSET: usize;
52 fn index(&self) -> usize; in index() argument
57 pub struct RawIdArray<T: RawDeviceId, const N: usize> {
62 impl<T: RawDeviceId, const N: usize> RawIdArray<T, N> {
64 pub const fn size(&self) -> usize { in size() argument
71 pub struct IdArray<T: RawDeviceId, U, const N: usize> {
76 impl<T: RawDeviceId, U, const N: usize> IdArray<T, U, N> {
88 const unsafe fn build(ids: [(T, U); N], data_offset: Option<usize>) -> Self { in build()
104 .cast::<usize>()
147 impl<T: RawDeviceId + RawDeviceIdIndex, U, const N: usize> IdArray<T, U, N> {
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H A Dptr.rs31 pub struct Alignment(NonZero<usize>);
48 pub const fn new<const ALIGN: usize>() -> Self { in new()
75 pub const fn new_checked(align: usize) -> Option<Self> { in new_checked()
108 pub const fn as_usize(self) -> usize { in as_usize() argument
124 pub const fn as_nonzero(self) -> NonZero<usize> { in as_nonzero() argument
162 pub const fn mask(self) -> usize { in mask() argument
232 impl_alignable_uint!(u8, u16, u32, u64, usize);
239 fn size(p: *const Self) -> usize; in size() argument
244 fn size(_: *const Self) -> usize { in size() argument
251 fn size(p: *const Self) -> usize { in size() argument
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H A Duaccess.rs30 pub fn from_addr(addr: usize) -> Self { in from_addr()
61 pub fn wrapping_byte_add(self, add: usize) -> UserPtr { in wrapping_byte_add()
151 length: usize,
167 pub fn new(ptr: UserPtr, length: usize) -> Self { in new()
216 length: usize,
223 pub fn skip(&mut self, num_skip: usize) -> Result { in skip()
246 pub fn len(&self) -> usize { in len() argument
299 pub fn read_slice_partial(&mut self, out: &mut [u8], offset: usize) -> Result<usize> { in read_slice_partial() argument
318 pub fn read_slice_file(&mut self, out: &mut [u8], offset: &mut file::Offset) -> Result<usize> { in read_slice_file() argument
448 length: usize,
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H A Dmaple_tree.rs56 fn to_maple_range(range: impl RangeBounds<usize>) -> Option<(usize, usize)> { in to_maple_range() argument
66 Bound::Unbounded => usize::MAX, in to_maple_range()
121 pub fn insert(&self, index: usize, value: T, gfp: Flags) -> Result<(), InsertError<T>> { in insert() argument
171 R: RangeBounds<usize>, in insert_range() argument
227 pub fn erase(&self, index: usize) -> Option<T> { in erase()
263 let mut ma_state = unsafe { MaState::new_raw(self.into_ref().get_ref(), 0, usize::MAX) }; in free_all_entries()
276 ma_state.mas_find_raw(usize::MAX) in free_all_entries()
323 pub fn ma_state(&mut self, first: usize, end: usize) -> MaState<'_, T> { in ma_state() argument
376 pub fn load(&mut self, index: usize) -> Option<T::BorrowedMut<'_>> { in load()
442 size: usize, in alloc_range() argument
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H A Did_pool.rs74 num_ids: usize,
114 pub fn with_capacity(num_ids: usize, flags: Flags) -> Result<Self, AllocError> { in with_capacity() argument
115 let num_ids = usize::max(num_ids, BitmapVec::MAX_INLINE_LEN); in with_capacity()
122 pub fn capacity(&self) -> usize { in capacity() argument
170 let num_ids = usize::max(BitmapVec::MAX_INLINE_LEN, cap / 2); in shrink_request()
230 pub fn find_unused_id(&mut self, offset: usize) -> Option<UnusedId<'_>> { in find_unused_id()
240 pub fn release_id(&mut self, id: usize) { in release_id() argument
251 id: usize,
264 pub fn as_usize(&self) -> usize { in as_usize() argument
284 pub fn acquire(self) -> usize { in acquire() argument
/linux/lib/crypto/mpi/
H A Dmpi-add.c21 mpi_size_t usize, vsize, wsize; in mpi_add() local
26 usize = v->nlimbs; in mpi_add()
30 wsize = usize + 1; in mpi_add()
38 usize = u->nlimbs; in mpi_add()
42 wsize = usize + 1; in mpi_add()
54 MPN_COPY(wp, up, usize); in mpi_add()
55 wsize = usize; in mpi_add()
59 if (usize != vsize) { in mpi_add()
60 mpihelp_sub(wp, up, usize, vp, vsize); in mpi_add()
61 wsize = usize; in mpi_add()
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H A Dmpi-cmp.c52 mpi_size_t usize, vsize; in mpi_cmp() local
57 usize = u->nlimbs; in mpi_cmp()
63 if (usize != vsize && !u->sign && !v->sign) in mpi_cmp()
64 return usize - vsize; in mpi_cmp()
65 if (usize != vsize && u->sign && v->sign) in mpi_cmp()
66 return vsize - usize; in mpi_cmp()
67 if (!usize) in mpi_cmp()
69 cmp = mpihelp_cmp(u->d, v->d, usize); in mpi_cmp()
H A Dmpih-mul.c322 mpi_ptr_t up, mpi_size_t usize, in mpihelp_mul_karatsuba_case() argument
341 usize -= vsize; in mpihelp_mul_karatsuba_case()
342 if (usize >= vsize) { in mpihelp_mul_karatsuba_case()
363 usize -= vsize; in mpihelp_mul_karatsuba_case()
364 } while (usize >= vsize); in mpihelp_mul_karatsuba_case()
367 if (usize) { in mpihelp_mul_karatsuba_case()
368 if (usize < KARATSUBA_THRESHOLD) { in mpihelp_mul_karatsuba_case()
370 if (mpihelp_mul(ctx->tspace, vp, vsize, up, usize, &tmp) in mpihelp_mul_karatsuba_case()
381 up, usize, in mpihelp_mul_karatsuba_case()
387 mpihelp_add_1(prodp + vsize, ctx->tspace + vsize, usize, cy); in mpihelp_mul_karatsuba_case()
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H A Dmpi-mul.c20 mpi_size_t usize, vsize, wsize; in mpi_mul() local
30 usize = v->nlimbs; in mpi_mul()
37 usize = u->nlimbs; in mpi_mul()
48 wsize = usize + vsize; in mpi_mul()
64 up = tmp_limb = mpi_alloc_limb_space(usize); in mpi_mul()
71 MPN_COPY(up, wp, usize); in mpi_mul()
85 err = mpihelp_mul(wp, up, usize, vp, vsize, &cy); in mpi_mul()
/linux/rust/kernel/pci/
H A Dio.rs30 #[repr(usize)]
43 pub const fn into_raw(self) -> usize { in into_raw() argument
46 self as usize in into_raw()
62 const SIZE: usize;
66 const SIZE: usize = 256;
70 const SIZE: usize = 4096;
90 unsafe fn io_read(&self, address: usize) -> $ty {
104 unsafe fn io_write(&self, value: $ty, address: usize) {
125 fn addr(&self) -> usize { in addr() argument
131 fn maxsize(&self) -> usize { in maxsize() argument
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/linux/drivers/android/binder/range_alloc/
H A Dmod.rs19 fn new(is_oneway: bool, debug_id: usize, pid: Pid) -> Self { in new() argument
44 debug_id: usize,
68 fn debug_id(&self) -> usize { in debug_id() argument
79 const TREE_THRESHOLD: usize = 8;
84 pub(crate) start_page_idx: usize,
85 pub(crate) end_page_idx: usize,
89 fn interior_pages(offset: usize, size: usize) -> FreedRange { in interior_pages() argument
100 offset: usize,
101 size: usize,
106 fn endpoint(&self) -> usize { in endpoint() argument
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H A Darray.rs26 size: usize,
27 free_oneway_space: usize,
34 insert_at_idx: usize,
36 insert_at_offset: usize,
40 pub(crate) fn new(size: usize, alloc: EmptyArrayAlloc<T>) -> Self { in new() argument
48 pub(crate) fn free_oneway_space(&self) -> usize { in free_oneway_space() argument
52 pub(crate) fn count_buffers(&self) -> usize { in count_buffers() argument
56 pub(crate) fn total_size(&self) -> usize { in total_size() argument
90 fn find_empty_range(&self, size: usize) -> Option<FindEmptyRes> { in find_empty_range()
117 debug_id: usize, in reserve_new() argument
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H A Dtree.rs25 tree: RBTree<usize, Descriptor<T>>,
29 size: usize,
30 free_oneway_space: usize,
35 size: usize, in from_array() argument
99 pub(crate) fn total_size(&self) -> usize { in total_size() argument
103 pub(crate) fn free_oneway_space(&self) -> usize { in free_oneway_space() argument
107 pub(crate) fn count_buffers(&self) -> usize { in count_buffers() argument
142 fn find_best_match(&mut self, size: usize) -> Option<&mut Descriptor<T>> { in find_best_match()
151 debug_id: usize, in reserve_new() argument
152 size: usize, in reserve_new() argument
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/linux/drivers/android/binder/
H A Dallocation.rs29 pub(crate) offsets: Option<Range<usize>>,
53 pub(crate) offset: usize,
54 size: usize,
55 pub(crate) ptr: usize,
60 pub(crate) debug_id: usize,
66 debug_id: usize, in new() argument
67 offset: usize, in new() argument
68 size: usize, in new() argument
69 ptr: usize, in new() argument
82 fn size_check(&self, offset: usize, size: usize) -> Result { in size_check() argument
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H A Dpage_range.rs178 size: usize,
180 vma_addr: usize,
298 pub(crate) fn register_with_vma(&self, vma: &virt::VmaNew) -> Result<usize> { in register_with_vma() argument
299 let num_bytes = usize::min(vma.end() - vma.start(), bindings::SZ_4M as usize); in register_with_vma()
355 pub(crate) fn use_range(&self, start: usize, end: usize) -> Result<()> { in use_range() argument
401 unsafe fn use_page_slow(&self, i: usize) -> Result<()> { in use_page_slow()
479 pub(crate) fn stop_using_range(&self, start: usize, end: usize) { in stop_using_range() argument
503 unsafe fn iterate<T>(&self, mut offset: usize, mut size: usize, mut cb: T) -> Result in iterate() argument
505 T: FnMut(&Page, usize, usize) -> Result, in iterate()
525 let available = usize::min(size, PAGE_SIZE - offset); in iterate()
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H A Dtrace.rs21 unsafe fn binder_transaction_fd_send(t_debug_id: c_int, fd: c_int, offset: usize);
22 unsafe fn binder_transaction_fd_recv(t_debug_id: c_int, fd: c_int, offset: usize);
41 pub(crate) fn trace_ioctl(cmd: u32, arg: usize) { in trace_ioctl() argument
86 pub(crate) fn trace_transaction_fd_send(t_debug_id: usize, fd: u32, offset: usize) { in trace_transaction_fd_send() argument
91 pub(crate) fn trace_transaction_fd_recv(t_debug_id: usize, fd: u32, offset: usize) { in trace_transaction_fd_recv() argument
/linux/rust/kernel/debugfs/
H A Dtraits.rs76 ) -> Result<usize>; in write_to_slice()
85 ) -> Result<usize> {
96 ) -> Result<usize> {
113 ) -> Result<usize> {
128 ) -> Result<usize> {
142 ) -> Result<usize> { in write_to_slice()
157 ) -> Result<usize> {
230 ) -> Result<usize>; in read_from_slice_mut()
239 ) -> Result<usize> {
250 ) -> Result<usize> { in read_from_slice_mut()
55 write_to_slice( &self, writer: &mut UserSliceWriter, offset: &mut file::Offset, ) -> Result<usize> write_to_slice() argument
64 write_to_slice( &self, writer: &mut UserSliceWriter, offset: &mut file::Offset, ) -> Result<usize> write_to_slice() argument
75 write_to_slice( &self, writer: &mut UserSliceWriter, offset: &mut file::Offset, ) -> Result<usize> write_to_slice() argument
92 write_to_slice( &self, writer: &mut UserSliceWriter, offset: &mut file::Offset, ) -> Result<usize> write_to_slice() argument
107 write_to_slice( &self, writer: &mut UserSliceWriter, offset: &mut file::Offset, ) -> Result<usize> write_to_slice() argument
121 write_to_slice( &self, writer: &mut UserSliceWriter, offset: &mut file::Offset, ) -> Result<usize> write_to_slice() argument
136 write_to_slice( &self, writer: &mut UserSliceWriter, offset: &mut file::Offset, ) -> Result<usize> write_to_slice() argument
209 read_from_slice_mut( &mut self, reader: &mut UserSliceReader, offset: &mut file::Offset, ) -> Result<usize> read_from_slice_mut() argument
218 read_from_slice_mut( &mut self, reader: &mut UserSliceReader, offset: &mut file::Offset, ) -> Result<usize> read_from_slice_mut() argument
229 read_from_slice_mut( &mut self, reader: &mut UserSliceReader, offset: &mut file::Offset, ) -> Result<usize> read_from_slice_mut() argument
244 read_from_slice_mut( &mut self, reader: &mut UserSliceReader, offset: &mut file::Offset, ) -> Result<usize> read_from_slice_mut() argument
272 read_from_slice( &self, reader: &mut UserSliceReader, offset: &mut file::Offset, ) -> Result<usize> read_from_slice() argument
281 read_from_slice( &self, reader: &mut UserSliceReader, offset: &mut file::Offset, ) -> Result<usize> read_from_slice() argument
294 read_from_slice( &self, reader: &mut UserSliceReader, offset: &mut file::Offset, ) -> Result<usize> read_from_slice() argument
305 read_from_slice( &self, reader: &mut UserSliceReader, offset: &mut file::Offset, ) -> Result<usize> read_from_slice() argument
316 read_from_slice( &self, reader: &mut UserSliceReader, offset: &mut file::Offset, ) -> Result<usize> read_from_slice() argument
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/linux/rust/kernel/io/
H A Dmem.rs90 pub fn iomap_sized<const SIZE: usize>(self) -> impl PinInit<Devres<IoMem<SIZE>>, Error> + 'a {
100 pub fn iomap_exclusive_sized<const SIZE: usize>(
170 pub struct ExclusiveIoMem<const SIZE: usize> {
181 impl<const SIZE: usize> ExclusiveIoMem<SIZE> { in ioremap()
216 impl<const SIZE: usize> Deref for ExclusiveIoMem<SIZE> {
233 pub struct IoMem<const SIZE: usize = 0> { in ioremap()
237 impl<const SIZE: usize> IoMem<SIZE> { in ioremap()
269 let io = MmioRaw::new(addr as usize, size)?; in new()
284 impl<const SIZE: usize> Drop for IoMem<SIZE> { in deref()
291 impl<const SIZE: usize> Dere
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/linux/drivers/acpi/apei/
H A Derst-dbg.c82 size_t usize, loff_t *off) in erst_dbg_read() argument
139 if (len > usize) in erst_dbg_read()
152 size_t usize, loff_t *off) in erst_dbg_write() argument
160 if (usize > ERST_DBG_RECORD_LEN_MAX) { in erst_dbg_write()
167 if (usize > erst_dbg_buf_len) { in erst_dbg_write()
170 p = kmalloc(usize, GFP_KERNEL); in erst_dbg_write()
175 erst_dbg_buf_len = usize; in erst_dbg_write()
177 if (copy_from_user(erst_dbg_buf, ubuf, usize)) { in erst_dbg_write()
183 if (rcd->record_length != usize) in erst_dbg_write()
190 return rc < 0 ? rc : usize; in erst_dbg_write()
/linux/rust/kernel/sync/atomic/
H A Dpredefine.rs79 // as `isize` and `usize`, and `isize` and `usize` are always bi-directional transmutable to
102 static_assert!(size_of::<usize>() == size_of::<isize_atomic_repr>()); implementation
103 static_assert!(align_of::<usize>() == align_of::<isize_atomic_repr>());
111 // SAFETY: The wrapping add result of two `isize_atomic_repr`s is a valid `usize`.
144 // SAFETY: `usize` has the same size and alignment with `isize_atomic_repr`, and is round-trip in atomic_xchg_tests()
146 unsafe impl super::AtomicType for usize { in atomic_xchg_tests()
150 // SAFETY: The wrapping add result of two `isize_atomic_repr`s is a valid `usize`. in atomic_xchg_tests()
151 unsafe impl super::AtomicAdd<usize> for usize {
107 unsafe impl super::AtomicAdd<usize> for usize { global() implementation
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/linux/drivers/gpu/nova-core/
H A Dgsp.rs40 pub(crate) const GSP_PAGE_SHIFT: usize = 12;
41 pub(crate) const GSP_PAGE_SIZE: usize = 1 << GSP_PAGE_SHIFT;
44 const RM_LOG_BUFFER_NUM_PAGES: usize = 0x10;
45 const LOG_BUFFER_SIZE: usize = RM_LOG_BUFFER_NUM_PAGES * GSP_PAGE_SIZE;
49 struct PteArray<const NUM_ENTRIES: usize>([u64; NUM_ENTRIES]);
52 unsafe impl<const NUM_ENTRIES: usize> FromBytes for PteArray<NUM_ENTRIES> {}
55 unsafe impl<const NUM_ENTRIES: usize> AsBytes for PteArray<NUM_ENTRIES> {}
57 impl<const NUM_PAGES: usize> PteArray<NUM_PAGES> {
60 fn entry(start: DmaAddress, index: usize) -> Result<u64> { in entry()
/linux/rust/kernel/alloc/
H A Dkvec.rs114 len: usize,
184 pub const fn capacity(&self) -> usize { in capacity() argument
186 usize::MAX in capacity()
194 pub const fn len(&self) -> usize { in len() argument
205 pub const unsafe fn inc_len(&mut self, additional: usize) { in inc_len() argument
221 unsafe fn dec_len(&mut self, count: usize) -> &mut [T] { in dec_len()
400 index: usize, in insert_within_capacity() argument
468 pub fn remove(&mut self, i: usize) -> Result<T, RemoveError> { in remove()
504 pub fn with_capacity(capacity: usize, flags: Flags) -> Result<Self, AllocError> { in with_capacity() argument
553 pub unsafe fn from_raw_parts(ptr: *mut T, length: usize, capacity: usize) -> Self { in from_raw_parts() argument
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