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Searched refs:usize (Results 1 – 25 of 100) sorted by relevance

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/linux/rust/kernel/
H A Dsizes.rs8 pub const SZ_1K: usize = bindings::SZ_1K as usize;
10 pub const SZ_2K: usize = bindings::SZ_2K as usize;
12 pub const SZ_4K: usize = bindings::SZ_4K as usize;
14 pub const SZ_8K: usize = bindings::SZ_8K as usize;
16 pub const SZ_16K: usize = bindings::SZ_16K as usize;
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H A Dio.rs23 pub struct IoRaw<const SIZE: usize = 0> {
24 addr: usize,
25 maxsize: usize,
28 impl<const SIZE: usize> IoRaw<SIZE> {
30 pub fn new(addr: usize, maxsize: usize) -> Result<Self> { in new() argument
40 pub fn addr(&self) -> usize { in addr() argument
46 pub fn maxsize(&self) -> usize { in maxsize() argument
68 /// struct IoMem<const SIZE: usize>(IoRaw<SIZE>);
70 /// impl<const SIZE: usize> IoMe
188 addr(&self) -> usize addr() argument
194 maxsize(&self) -> usize maxsize() argument
199 offset_valid<U>(offset: usize, size: usize) -> bool offset_valid() argument
209 io_addr<U>(&self, offset: usize) -> Result<usize> io_addr() argument
220 io_addr_assert<U>(&self, offset: usize) -> usize io_addr_assert() argument
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H A Dpage.rs15 pub const PAGE_SHIFT: usize = bindings::PAGE_SHIFT as usize;
18 pub const PAGE_SIZE: usize = bindings::PAGE_SIZE;
21 pub const PAGE_MASK: usize = !(PAGE_SIZE - 1);
26 /// [`usize`].
27 pub const fn page_align(addr: usize) -> usize { in page_align() argument
147 off: usize, in with_pointer_into_page() argument
148 len: usize, in with_pointer_into_page() argument
174 pub unsafe fn read_raw(&self, dst: *mut u8, offset: usize, le argument
196 write_raw(&self, src: *const u8, offset: usize, len: usize) -> Result write_raw() argument
216 fill_zero_raw(&self, offset: usize, len: usize) -> Result fill_zero_raw() argument
242 copy_from_user_slice_raw( &self, reader: &mut UserSliceReader, offset: usize, len: usize, ) -> Result copy_from_user_slice_raw() argument
243 copy_from_user_slice_raw( &self, reader: &mut UserSliceReader, offset: usize, len: usize, ) -> Result copy_from_user_slice_raw() argument
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H A Ddevice_id.rs42 /// This field must be correctly sized to hold a `usize`.
48 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> {
87 /// - The field at `data_offset` must be correctly sized to hold a `usize`.
88 const unsafe fn build(ids: [(T, U); N], data_offset: Option<usize>)
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H A Dstr.rs18 pub const fn len(&self) -> usize { in len() argument
214 pub const fn len(&self) -> usize { in len() argument
220 pub const fn len_with_nul(&self) -> usize { in len_with_nul() argument
536 impl Index<ops::RangeFrom<usize>> for CStr {
540 fn index(&self, index: ops::RangeFrom<usize>) -> &Self::Output { in index()
564 impl CStrIndex for usize {} implementation
565 impl CStrIndex for ops::Range<usize> {}
566 impl CStrIndex for ops::RangeInclusive<usize> {}
567 impl CStrIndex for ops::RangeToInclusive<usize> {}
675 bytes[i as usize] in test_cstr_display_all_bytes()
793 bytes_written(&self) -> usize bytes_written() argument
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H A Ddma.rs263 /// - `size_of::<T> * count` fits into a `usize`.
279 count: usize,
300 count: usize, in alloc_attrs() argument
331 // - The allocated `size` fits into a `usize`. in alloc_attrs()
345 count: usize, in alloc_coherent() argument
355 pub fn count(&self) -> usize { in count() argument
360 pub fn size(&self) -> usize { in size() argument
362 // a `usize`. in size()
387 pub fn dma_handle_with_offset(&self, offset: usize) -> Result<bindings::dma_addr_t> { in dma_handle_with_offset()
392 // into a `usize`, an in dma_handle_with_offset()
399 validate_range(&self, offset: usize, count: usize) -> Result validate_range() argument
419 as_slice(&self, offset: usize, count: usize) -> Result<&[T]> as_slice() argument
439 as_slice_mut(&mut self, offset: usize, count: usize) -> Result<&mut [T]> as_slice_mut() argument
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H A Duaccess.rs27 pub fn from_addr(addr: usize) -> Self { in from_addr()
58 pub fn wrapping_byte_add(self, add: usize) -> UserPtr { in wrapping_byte_add()
94 /// fn bytes_add_one(uptr: UserPtr, len: usize) -> Result {
116 /// fn is_valid(uptr: UserPtr, len: usize) -> Result<bool> {
126 /// fn get_bytes_if_valid(uptr: UserPtr, len: usize) -> Result<KVec<u8>> {
148 length: usize,
164 pub fn new(ptr: UserPtr, length: usize) -> Self { in new()
213 length: usize,
220 pub fn skip(&mut self, num_skip: usize) -> Result { in skip()
243 pub fn len(&self) -> usize { in len() argument
410 len(&self) -> usize len() argument
485 raw_strncpy_from_user(dst: &mut [MaybeUninit<u8>], src: UserPtr) -> Result<usize> raw_strncpy_from_user() argument
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H A Dtransmute.rs26 u8, u16, u32, u64, usize,
32 {<T: FromBytes, const N: usize>} [T; N],
61 u8, u16, u32, u64, usize,
70 {<T: AsBytes, const N: usize>} [T; N],
H A Dpci.rs170 const DRIVER_DATA_OFFSET: usize = core::mem::offset_of!(bindings::pci_device_id, driver_data);
172 fn index(&self) -> usize { in index() argument
284 pub struct Bar<const SIZE: usize = 0> {
290 impl<const SIZE: usize> Bar<SIZE> {
313 let ioptr: usize = unsafe { bindings::pci_iomap(pdev.as_raw(), num, 0) } as usize; in new()
322 let io = match IoRaw::new(ioptr, len as usize) { in new()
344 unsafe fn do_release(pdev: &Device, ioptr: usize, num: i32) { in do_release() argument
368 impl<const SIZE: usize> Drop for Bar<SIZE> {
374 impl<const SIZE: usize> Dere
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/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, c in mpihelp_mul_karatsuba_case()
427 mpihelp_mul(mpi_ptr_t prodp,mpi_ptr_t up,mpi_size_t usize,mpi_ptr_t vp,mpi_size_t vsize,mpi_limb_t * _result) mpihelp_mul() argument
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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/drivers/gpu/drm/
H A Ddrm_panic_qr.rs33 struct Version(usize);
119 const MAX_EC_SIZE: usize = 30;
120 const MAX_BLK_SIZE: usize = 123;
221 fn max_data(&self) -> usize { in max_data() argument
225 fn ec_size(&self) -> usize { in ec_size() argument
229 fn g1_blocks(&self) -> usize { in g1_blocks() argument
230 VPARAM[self.0 - 1].1 as usize in g1_blocks()
233 fn g2_blocks(&self) -> usize { in g2_blocks() argument
234 VPARAM[self.0 - 1].2 as usize in g2_blocks()
237 fn g1_blk_size(&self) -> usize { in g1_blk_size() argument
311 get_header(&self) -> (u16, usize) get_header() argument
319 length_bits_count(&self, version: Version) -> usize length_bits_count() argument
335 character_count(&self) -> usize character_count() argument
346 get_length_field(&self, version: Version) -> (u16, usize) get_length_field() argument
353 total_size_bits(&self, version: Version) -> usize total_size_bits() argument
385 push(&mut self, data: u64, len: usize) push() argument
398 pop3(&mut self) -> Option<(u16, usize)> pop3() argument
493 push(&mut self, offset: &mut usize, bits: (u16, usize)) push() argument
541 error_code_for_blocks(&mut self, offset: usize, size: usize, ec_offset: usize) error_code_for_blocks() argument
924 drm_panic_qr_generate( url: *const kernel::ffi::c_char, data: *mut u8, data_len: usize, data_size: usize, tmp: *mut u8, tmp_size: usize, ) -> u8 drm_panic_qr_generate() argument
925 drm_panic_qr_generate( url: *const kernel::ffi::c_char, data: *mut u8, data_len: usize, data_size: usize, tmp: *mut u8, tmp_size: usize, ) -> u8 drm_panic_qr_generate() argument
927 drm_panic_qr_generate( url: *const kernel::ffi::c_char, data: *mut u8, data_len: usize, data_size: usize, tmp: *mut u8, tmp_size: usize, ) -> u8 drm_panic_qr_generate() argument
977 drm_panic_qr_max_data_size(version: u8, url_len: usize) -> usize drm_panic_qr_max_data_size() argument
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/linux/drivers/gpu/nova-core/
H A Dvbios.rs15 const ROM_OFFSET: usize = 0x300000;
17 const BIOS_MAX_SCAN_LEN: usize = 0x100000;
19 const BIOS_READ_AHEAD_SIZE: usize = 1024;
43 current_offset: usize,
60 fn read_more(&mut self, len: usize) -> Result { in read_more()
90 fn read_more_at_offset(&mut self, offset: usize, len: usize) -> Result { in read_more_at_offset() argument
110 offset: usize, in read_bios_image_at_offset() argument
111 len: usize, in read_bios_image_at_offset() argument
337 fn image_size_bytes(&self) -> usize { in image_size_bytes() argument
581 image_size_bytes(&self) -> usize image_size_bytes() argument
658 image_size_bytes(&self) -> usize image_size_bytes() argument
826 find_byte_pattern(haystack: &[u8], needle: &[u8]) -> Result<usize> find_byte_pattern() argument
834 find_bit_header(data: &[u8]) -> Result<(BitHeader, usize)> find_bit_header() argument
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/linux/rust/kernel/alloc/
H A Dkvec.rs108 len: usize,
178 pub fn capacity(&self) -> usize { in capacity() argument
180 usize::MAX in capacity()
188 pub fn len(&self) -> usize { in len() argument
199 pub unsafe fn inc_len(&mut self, additional: usize) { in inc_len() argument
215 unsafe fn dec_len(&mut self, count: usize) -> &mut [T] { in dec_len()
384 index: usize, in insert_within_capacity() argument
452 pub fn remove(&mut self, i: usize) -> Result<T, RemoveError> { in remove()
488 pub fn with_capacity(capacity: usize, flags: Flags) -> Result<Self, AllocError> { in with_capacity() argument
537 pub unsafe fn from_raw_parts(ptr: *mut T, length: usize, capacit argument
563 into_raw_parts(self) -> (*mut T, usize, usize) into_raw_parts() argument
609 reserve(&mut self, additional: usize, flags: Flags) -> Result<(), AllocError> reserve() argument
664 truncate(&mut self, len: usize) truncate() argument
726 extend_with(&mut self, n: usize, value: T, flags: Flags) -> Result<(), AllocError> extend_with() argument
781 from_elem(value: T, n: usize, flags: Flags) -> Result<Self, AllocError> from_elem() argument
806 resize(&mut self, new_len: usize, value: T, flags: Flags) -> Result<(), AllocError> resize() argument
1045 into_raw_parts(self) -> (*mut T, NonNull<T>, usize, usize) into_raw_parts() argument
1191 size_hint(&self) -> (usize, Option<usize>) size_hint() argument
1281 size_hint(&self) -> (usize, Option<usize>) size_hint() argument
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H A Dlayout.rs18 len: usize,
29 const ISIZE_MAX: usize = isize::MAX as usize;
55 /// let layout = ArrayLayout::<i32>::new(isize::MAX as usize);
60 /// let layout = ArrayLayout::<i32>::new(isize::MAX as usize / 2);
65 pub const fn new(len: usize) -> Result<Self, LayoutError> { in new()
83 pub unsafe fn new_unchecked(len: usize) -> Self { in new_unchecked()
93 pub const fn len(&self) -> usize { in len() argument
/linux/rust/kernel/io/
H A Dmem.rs77 pub fn iomap_sized<const SIZE: usize>(self) -> impl PinInit<Devres<IoMem<SIZE>>, Error> + 'a { in iomap_sized()
87 pub fn iomap_exclusive_sized<const SIZE: usize>( in iomap_exclusive_sized()
151 pub struct ExclusiveIoMem<const SIZE: usize> {
162 impl<const SIZE: usize> ExclusiveIoMem<SIZE> {
197 impl<const SIZE: usize> Deref for ExclusiveIoMem<SIZE> {
214 pub struct IoMem<const SIZE: usize = 0> {
218 impl<const SIZE: usize> IoMem<SIZE> {
250 let io = IoRaw::new(addr as usize, size)?; in ioremap()
265 impl<const SIZE: usize> Drop for IoMem<SIZE> {
272 impl<const SIZE: usize> Dere
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/linux/drivers/gpu/nova-core/regs/
H A Dmacros.rs147 pub(crate) const OFFSET: usize = $offset;
323 pub(crate) fn read<const SIZE: usize, T>(io: &T) -> Self where
330 pub(crate) fn write<const SIZE: usize, T>(self, io: &T) where
337 pub(crate) fn alter<const SIZE: usize, T, F>(
355 pub(crate) fn read<const SIZE: usize, T>(
357 base: usize,
365 pub(crate) fn write<const SIZE: usize, T>(
368 base: usize,
376 pub(crate) fn alter<const SIZE: usize, T, F>(
378 base: usize,
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/linux/lib/tests/
H A Dusercopy_kunit.c113 size_t ksize, usize; in usercopy_test_copy_struct_from_user() local
126 /* Check basic case -- (usize == ksize). */ in usercopy_test_copy_struct_from_user()
128 usize = size; in usercopy_test_copy_struct_from_user()
133 KUNIT_EXPECT_EQ_MSG(test, copy_struct_from_user(kmem, ksize, umem, usize), 0, in usercopy_test_copy_struct_from_user()
134 "copy_struct_from_user(usize == ksize) failed"); in usercopy_test_copy_struct_from_user()
136 "copy_struct_from_user(usize == ksize) gives unexpected copy"); in usercopy_test_copy_struct_from_user()
138 /* Old userspace case -- (usize < ksize). */ in usercopy_test_copy_struct_from_user()
140 usize = size / 2; in usercopy_test_copy_struct_from_user()
142 memcpy(expected, umem_src, usize); in usercopy_test_copy_struct_from_user()
143 memset(expected + usize, in usercopy_test_copy_struct_from_user()
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/linux/drivers/gpu/nova-core/firmware/
H A Dfwsec.rs122 const BCRT30_RSA3K_SIG_SIZE: usize = 384;
158 offset: usize, in transmute() argument
163 if (fw.start_ptr() as usize + offset) % align_of::<T>() != 0 { in transmute()
181 offset: usize, in transmute_mut() argument
186 if (fw.start_ptr_mut() as usize + offset) % align_of::<T>() != 0 { in transmute_mut()
260 let hdr_offset = (desc.imem_load_size + desc.interface_offset) as usize; in new_fwsec()
269 for i in 0..hdr.entry_count as usize { in new_fwsec()
275 hdr_offset + hdr.header_size as usize + i * hdr.entry_size as usize in new_fwsec()
287 (desc.imem_load_size + app.dmem_base) as usize, in new_fwsec()
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/linux/tools/testing/selftests/bpf/progs/
H A Dtest_get_stack_rawtp.c33 * usize = bpf_get_stack(ctx, raw_data, max_len, BPF_F_USER_STACK);
34 * if (usize < 0)
36 * ksize = bpf_get_stack(ctx, raw_data + usize, max_len - usize, 0);
39 * verifier will complain that access "raw_data + usize"
40 * with size "max_len - usize" may be out of bound.
41 * The maximum "raw_data + usize" is "raw_data + max_len"
42 * and the maximum "max_len - usize" is "max_len", verifier
62 long usize, ksize; in bpf_prog1() local
87 usize in bpf_prog1()
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/linux/arch/x86/kernel/cpu/mce/
H A Ddev-mcelog.c162 static int __mce_read_apei(char __user **ubuf, size_t usize) in __mce_read_apei() argument
168 if (usize < sizeof(struct mce)) in __mce_read_apei()
203 size_t usize, loff_t *off) in mce_chrdev_read() argument
212 err = __mce_read_apei(&buf, usize); in mce_chrdev_read()
219 if (*off != 0 || usize < mcelog->len * sizeof(struct mce)) in mce_chrdev_read()
287 size_t usize, loff_t *off) in mce_chrdev_write() argument
300 if ((unsigned long)usize > sizeof(struct mce)) in mce_chrdev_write()
301 usize = sizeof(struct mce); in mce_chrdev_write()
302 if (copy_from_user(&m, ubuf, usize)) in mce_chrdev_write()
316 return usize; in mce_chrdev_write()
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/linux/samples/rust/
H A Drust_driver_pci.rs12 const TEST: usize = 0x0;
13 const OFFSET: usize = 0x4;
14 const DATA: usize = 0x8;
15 const COUNT: usize = 0xC;
16 const END: usize = 0x10;
51 let offset = u32::from_le(bar.read32(Regs::OFFSET)) as usize; in testdev()
/linux/rust/kernel/device/
H A Dproperty.rs113 pub fn property_match_string(&self, name: &CStr, match_str: &CStr) -> Result<usize> { in property_match_string() argument
125 Ok(ret as usize) in property_match_string()
132 len: usize, in property_read_array_vec() argument
157 pub fn property_count_elem<T: PropertyInt>(&self, name: &CStr) -> Result<usize> { in property_count_elem() argument
340 unsafe { core::slice::from_raw_parts(self.0.args.as_ptr(), self.0.nargs as usize) } in as_slice()
344 pub fn len(&self) -> usize { in len() argument
345 self.0.nargs as usize in len()
483 fn read_array_len_from_fwnode_property(fwnode: &FwNode, name: &CStr) -> Result<usize>; in read_array_len_from_fwnode_property() argument
493 impl<const N: usize> Sealed for [$int; N] {}
524 fn read_array_len_from_fwnode_property(fwnode: &FwNode, name: &CStr) -> Result<usize> {
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