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Searched refs:nbits (Results 1 – 25 of 85) sorted by relevance

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/linux/tools/include/linux/
H A Dbitmap.h29 #define BITMAP_LAST_WORD_MASK(nbits) (~0UL >> (-(nbits) & (BITS_PER_LONG - 1))) argument
31 #define bitmap_size(nbits) (ALIGN(nbits, BITS_PER_LONG) / BITS_PER_BYTE) argument
33 static inline void bitmap_zero(unsigned long *dst, unsigned int nbits) in bitmap_zero() argument
35 if (small_const_nbits(nbits)) in bitmap_zero()
38 memset(dst, 0, bitmap_size(nbits)); in bitmap_zero()
42 static inline void bitmap_fill(unsigned long *dst, unsigned int nbits) in bitmap_fill() argument
44 unsigned int nlongs = BITS_TO_LONGS(nbits); in bitmap_fill()
45 if (!small_const_nbits(nbits)) { in bitmap_fill()
49 dst[nlongs - 1] = BITMAP_LAST_WORD_MASK(nbits); in bitmap_fill()
52 static inline bool bitmap_empty(const unsigned long *src, unsigned int nbits) in bitmap_empty() argument
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/linux/net/ethtool/
H A Dbitset.c128 static void ethnl_bitmap32_update(u32 *dst, unsigned int nbits, in ethnl_bitmap32_update() argument
131 while (nbits > 0) { in ethnl_bitmap32_update()
135 if (nbits < 32) in ethnl_bitmap32_update()
136 real_mask &= ethnl_lower_bits(nbits); in ethnl_bitmap32_update()
143 if (nbits <= 32) in ethnl_bitmap32_update()
146 nbits -= 32; in ethnl_bitmap32_update()
171 int ethnl_bitset32_size(const u32 *val, const u32 *mask, unsigned int nbits, in ethnl_bitset32_size() argument
183 unsigned int nwords = DIV_ROUND_UP(nbits, 32); in ethnl_bitset32_size()
191 for (i = 0; i < nbits; i++) { in ethnl_bitset32_size()
233 const u32 *mask, unsigned int nbits, in ethnl_put_bitset32() argument
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H A Dbitset.h12 unsigned int nbits, ethnl_string_array_t names,
14 int ethnl_bitset32_size(const u32 *val, const u32 *mask, unsigned int nbits,
18 unsigned int nbits, ethnl_string_array_t names,
21 const u32 *mask, unsigned int nbits,
23 int ethnl_update_bitset(unsigned long *bitmap, unsigned int nbits,
26 int ethnl_update_bitset32(u32 *bitmap, unsigned int nbits,
30 unsigned int nbits, const struct nlattr *attr,
/linux/fs/ntfs3/
H A Dbitfunc.c33 bool are_bits_clear(const void *lmap, size_t bit, size_t nbits) in are_bits_clear() argument
39 if (8 - pos >= nbits) in are_bits_clear()
40 return !nbits || !(*map & fill_mask[pos + nbits] & in are_bits_clear()
45 nbits -= 8 - pos; in are_bits_clear()
51 if (nbits >= pos * 8) { in are_bits_clear()
52 for (nbits -= pos * 8; pos; pos--, map++) { in are_bits_clear()
59 for (pos = nbits / BITS_IN_SIZE_T; pos; pos--, map += sizeof(size_t)) { in are_bits_clear()
64 for (pos = (nbits % BITS_IN_SIZE_T) >> 3; pos; pos--, map++) { in are_bits_clear()
69 pos = nbits & 7; in are_bits_clear()
81 bool are_bits_set(const void *lmap, size_t bit, size_t nbits) in are_bits_set() argument
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/linux/include/linux/
H A Dnodemask.h137 static __always_inline void __nodes_setall(nodemask_t *dstp, unsigned int nbits) in __nodes_setall() argument
139 bitmap_fill(dstp->bits, nbits); in __nodes_setall()
143 static __always_inline void __nodes_clear(nodemask_t *dstp, unsigned int nbits) in __nodes_clear() argument
145 bitmap_zero(dstp->bits, nbits); in __nodes_clear()
161 const nodemask_t *src2p, unsigned int nbits) in __nodes_and() argument
163 bitmap_and(dstp->bits, src1p->bits, src2p->bits, nbits); in __nodes_and()
169 const nodemask_t *src2p, unsigned int nbits) in __nodes_or() argument
171 bitmap_or(dstp->bits, src1p->bits, src2p->bits, nbits); in __nodes_or()
177 const nodemask_t *src2p, unsigned int nbits) in __nodes_xor() argument
179 bitmap_xor(dstp->bits, src1p->bits, src2p->bits, nbits); in __nodes_xor()
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/linux/lib/crypto/mpi/
H A Dmpicoder.c40 unsigned nbits, nlimbs; in mpi_read_raw_data() local
49 nbits = nbytes * 8; in mpi_read_raw_data()
50 if (nbits > MAX_EXTERN_MPI_BITS) { in mpi_read_raw_data()
51 pr_info("MPI: mpi too large (%u bits)\n", nbits); in mpi_read_raw_data()
55 nbits -= count_leading_zeros(buffer[0]) - (BITS_PER_LONG - 8); in mpi_read_raw_data()
61 val->nbits = nbits; in mpi_read_raw_data()
85 unsigned int nbits, nbytes; in mpi_read_from_buffer() local
90 nbits = buffer[0] << 8 | buffer[1]; in mpi_read_from_buffer()
92 if (nbits > MAX_EXTERN_MPI_BITS) { in mpi_read_from_buffer()
93 pr_info("MPI: mpi too large (%u bits)\n", nbits); in mpi_read_from_buffer()
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H A Dmpi-bit.c110 unsigned int nbits = (n%BITS_PER_MPI_LIMB); in mpi_rshift() local
126 if (x->nlimbs && nbits) in mpi_rshift()
127 mpihelp_rshift(x->d, x->d, x->nlimbs, nbits); in mpi_rshift()
150 if (x->nlimbs && nbits) in mpi_rshift()
151 mpihelp_rshift(x->d, x->d, x->nlimbs, nbits); in mpi_rshift()
162 if (nbits) in mpi_rshift()
163 mpihelp_rshift(x->d, a->d, x->nlimbs, nbits); in mpi_rshift()
/linux/rust/kernel/
H A Dbitmap.rs35 pub unsafe fn from_raw<'a>(ptr: *const usize, nbits: usize) -> &'a Bitmap { in from_raw()
36 let data: *const [()] = core::ptr::slice_from_raw_parts(ptr.cast(), nbits); in from_raw()
60 pub unsafe fn from_raw_mut<'a>(ptr: *mut usize, nbits: usize) -> &'a mut Bitmap { in from_raw_mut()
61 let data: *mut [()] = core::ptr::slice_from_raw_parts_mut(ptr.cast(), nbits); in from_raw_mut()
158 nbits: usize, field
165 let ptr = if self.nbits <= BitmapVec::MAX_INLINE_LEN { in deref()
178 unsafe { Bitmap::from_raw(ptr, self.nbits) } in deref()
184 let ptr = if self.nbits <= BitmapVec::MAX_INLINE_LEN { in deref_mut()
197 unsafe { Bitmap::from_raw_mut(ptr, self.nbits) } in deref_mut()
214 if self.nbits <= BitmapVec::MAX_INLINE_LEN { in drop()
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/linux/tools/lib/
H A Dfind_bit.c103 unsigned long _find_next_bit(const unsigned long *addr, unsigned long nbits, unsigned long start) in _find_next_bit() argument
105 return FIND_NEXT_BIT(addr[idx], /* nop */, nbits, start); in _find_next_bit()
111 unsigned long nbits, unsigned long start) in _find_next_and_bit() argument
113 return FIND_NEXT_BIT(addr1[idx] & addr2[idx], /* nop */, nbits, start); in _find_next_and_bit()
118 unsigned long _find_next_zero_bit(const unsigned long *addr, unsigned long nbits, in _find_next_zero_bit() argument
121 return FIND_NEXT_BIT(~addr[idx], /* nop */, nbits, start); in _find_next_zero_bit()
/linux/include/asm-generic/
H A Dbitsperlong.h35 #define small_const_nbits(nbits) \ argument
36 (__builtin_constant_p(nbits) && (nbits) <= BITS_PER_LONG && (nbits) > 0)
/linux/fs/omfs/
H A Dbitmap.c13 int nbits = sb->s_blocksize * 8; in omfs_count_free() local
16 sum += nbits - bitmap_weight(sbi->s_imap[i], nbits); in omfs_count_free()
26 static int count_run(unsigned long **addr, int nbits, in count_run() argument
33 x = find_next_bit(*addr, nbits, bit); in count_run()
36 if (x < nbits || count > max) in count_run()
49 int nbits, int bit, int count, int set) in set_run() argument
62 if (bit >= nbits) { in set_run()
/linux/tools/include/asm-generic/
H A Dbitsperlong.h21 #define small_const_nbits(nbits) \ argument
22 (__builtin_constant_p(nbits) && (nbits) <= BITS_PER_LONG && (nbits) > 0)
/linux/crypto/
H A Decc_curve_defs.h20 .nbits = 192,
47 .nbits = 256,
80 .nbits = 384,
125 .nbits = 521,
146 .nbits = 255,
H A Decrdsa_defs.h50 .nbits = 256,
84 .nbits = 256,
122 .nbits = 256,
172 .nbits = 512,
218 .nbits = 512,
/linux/drivers/firmware/efi/libstub/
H A Dfind.c34 unsigned long _find_next_bit(const unsigned long *addr, unsigned long nbits, unsigned long start) in _find_next_bit() argument
36 return FIND_NEXT_BIT(addr[idx], /* nop */, nbits, start); in _find_next_bit()
39 unsigned long _find_next_zero_bit(const unsigned long *addr, unsigned long nbits, in _find_next_zero_bit() argument
42 return FIND_NEXT_BIT(~addr[idx], /* nop */, nbits, start); in _find_next_zero_bit()
/linux/drivers/regulator/
H A Dda903x-regulator.c309 #define DA903x_LDO(_pmic, _id, min, max, step, vreg, shift, nbits, ereg, ebit) \ argument
324 .vol_nbits = (nbits), \
329 #define DA903x_DVC(_pmic, _id, min, max, step, vreg, nbits, ureg, ubit, ereg, ebit) \ argument
344 .vol_nbits = (nbits), \
351 #define DA9034_LDO(_id, min, max, step, vreg, shift, nbits, ereg, ebit) \ argument
352 DA903x_LDO(DA9034, _id, min, max, step, vreg, shift, nbits, ereg, ebit)
354 #define DA9030_LDO(_id, min, max, step, vreg, shift, nbits, ereg, ebit) \ argument
355 DA903x_LDO(DA9030, _id, min, max, step, vreg, shift, nbits, ereg, ebit)
357 #define DA9030_DVC(_id, min, max, step, vreg, nbits, ureg, ubit, ereg, ebit) \ argument
358 DA903x_DVC(DA9030, _id, min, max, step, vreg, nbits, ureg, ubit, \
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H A Dtps6586x-regulator.c109 #define TPS6586X_REGULATOR(_id, _ops, _pin_name, vdata, vreg, shift, nbits, \ argument
123 .vsel_mask = ((1 << (nbits)) - 1) << (shift), \
133 uv_step, vreg, shift, nbits, ereg0, \ argument
148 .vsel_mask = ((1 << (nbits)) - 1) << (shift), \
157 #define TPS6586X_LDO(_id, _pname, vdata, vreg, shift, nbits, \ argument
160 TPS6586X_REGULATOR(_id, rw, _pname, vdata, vreg, shift, nbits, \
165 shift, nbits, ereg0, ebit0, ereg1, ebit1) \ argument
168 min_uv, uv_step, vreg, shift, nbits, \
172 #define TPS6586X_FIXED_LDO(_id, _pname, vdata, vreg, shift, nbits, \ argument
175 TPS6586X_REGULATOR(_id, ro, _pname, vdata, vreg, shift, nbits, \
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/linux/drivers/net/ethernet/tehuti/
H A Dtehuti.h127 #define BITS_MASK(nbits) ((1<<nbits)-1) argument
128 #define GET_BITS_SHIFT(x, nbits, nshift) (((x)>>nshift)&BITS_MASK(nbits)) argument
129 #define BITS_SHIFT_MASK(nbits, nshift) (BITS_MASK(nbits)<<nshift) argument
130 #define BITS_SHIFT_VAL(x, nbits, nshift) (((x)&BITS_MASK(nbits))<<nshift) argument
131 #define BITS_SHIFT_CLEAR(x, nbits, nshift) \ argument
132 ((x)&(~BITS_SHIFT_MASK(nbits, nshift)))
/linux/drivers/media/usb/pwc/
H A Dpwc-dec23.c298 pdec->nbits = 7; /* More bits, mean more bits to encode the stream, but better quality */ in pwc_dec23_init()
300 pdec->nbits = 8; in pwc_dec23_init()
302 pdec->nbits = 6; in pwc_dec23_init()
312 pdec->nbits = 7; in pwc_dec23_init()
314 pdec->nbits = 8; in pwc_dec23_init()
316 pdec->nbits = 6; in pwc_dec23_init()
324 shift = 8 - pdec->nbits; in pwc_dec23_init()
496 __get_nbits(pdec, pdec->nbits, primary_color); in decode_block()
542 unsigned int nbits, col1; in decode_block() local
550 nbits = ptable8004[offset1 * 2]; in decode_block()
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/linux/drivers/net/wireless/broadcom/brcm80211/include/
H A Dbrcmu_utils.h44 #define NBITVAL(nbits) (1 << (nbits)) argument
45 #define MAXBITVAL(nbits) ((1 << (nbits)) - 1) argument
46 #define NBITMASK(nbits) MAXBITVAL(nbits) argument
/linux/lib/
H A Dgenalloc.c188 unsigned long nbits = size >> pool->min_alloc_order; in gen_pool_add_owner() local
190 BITS_TO_LONGS(nbits) * sizeof(long); in gen_pool_add_owner()
283 unsigned long nbits, start_bit, end_bit, remain; in gen_pool_alloc_algo_owner() local
295 nbits = (size + (1UL << order) - 1) >> order; in gen_pool_alloc_algo_owner()
305 nbits, data, pool, chunk->start_addr); in gen_pool_alloc_algo_owner()
308 remain = bitmap_set_ll(chunk->bits, start_bit, nbits); in gen_pool_alloc_algo_owner()
311 nbits - remain); in gen_pool_alloc_algo_owner()
317 size = nbits << order; in gen_pool_alloc_algo_owner()
492 unsigned long start_bit, nbits, remain; in gen_pool_free_owner() local
501 nbits = (size + (1UL << order) - 1) >> order; in gen_pool_free_owner()
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/linux/sound/mips/
H A Dad1843.c31 char nbits; member
178 return w >> field->lo_bit & ((1 << field->nbits) - 1); in ad1843_read_bits()
192 mask = ((1 << field->nbits) - 1) << field->lo_bit; in ad1843_write_bits()
229 mask = (1 << fp->nbits) - 1; in ad1843_read_multi()
266 m = ((1 << fp->nbits) - 1) << fp->lo_bit; in ad1843_write_multi()
285 ret = (1 << gp->lfield->nbits); in ad1843_get_gain_max()
300 unsigned short mask = (1 << gp->lfield->nbits) - 1; in ad1843_get_gain()
326 unsigned short mask = (1 << gp->lfield->nbits) - 1; in ad1843_set_gain()
/linux/fs/xfs/
H A Dxfs_buf_item_recover.c474 int nbits; in xlog_recover_do_reg_buffer() local
487 nbits = xfs_contig_bits(buf_f->blf_data_map, in xlog_recover_do_reg_buffer()
489 ASSERT(nbits > 0); in xlog_recover_do_reg_buffer()
493 ((uint)bit << XFS_BLF_SHIFT) + (nbits << XFS_BLF_SHIFT)); in xlog_recover_do_reg_buffer()
503 if (item->ri_buf[i].iov_len < (nbits << XFS_BLF_SHIFT)) in xlog_recover_do_reg_buffer()
504 nbits = item->ri_buf[i].iov_len >> XFS_BLF_SHIFT; in xlog_recover_do_reg_buffer()
537 nbits<<XFS_BLF_SHIFT); /* length */ in xlog_recover_do_reg_buffer()
540 bit += nbits; in xlog_recover_do_reg_buffer()
615 int nbits = 0; in xlog_recover_do_inode_buffer() local
645 bit += nbits; in xlog_recover_do_inode_buffer()
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/linux/drivers/nvmem/
H A Dcore.c33 int nbits; member
591 cell->nbits = info->nbits; in nvmem_cell_info_to_nvmem_cell_entry_nodup()
594 if (cell->nbits) { in nvmem_cell_info_to_nvmem_cell_entry_nodup()
595 cell->bytes = DIV_ROUND_UP(cell->nbits + cell->bit_offset, in nvmem_cell_info_to_nvmem_cell_entry_nodup()
815 info.nbits = be32_to_cpup(addr); in nvmem_add_cells_from_dt()
817 info.nbits < 1 || in nvmem_add_cells_from_dt()
818 info.bit_offset + info.nbits > BITS_PER_BYTE * info.bytes) { in nvmem_add_cells_from_dt()
1636 extra = cell->bytes - DIV_ROUND_UP(cell->nbits, BITS_PER_BYTE); in nvmem_shift_read_buffer_in_place()
1641 if (cell->nbits % BITS_PER_BYTE) in nvmem_shift_read_buffer_in_place()
1642 *p &= GENMASK((cell->nbits % BITS_PER_BYTE) - 1, 0); in nvmem_shift_read_buffer_in_place()
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/linux/drivers/input/keyboard/
H A Dadp5585-keys.c192 unsigned long keys_bits, start = 0, nbits = kpad->info->max_rows; in adp5585_keys_setup() local
204 keys_bits = bitmap_read(&kpad->keypad, start, nbits); in adp5585_keys_setup()
212 start += nbits; in adp5585_keys_setup()
214 nbits = 8; in adp5585_keys_setup()
215 max_cols -= nbits; in adp5585_keys_setup()
217 nbits = max_cols; in adp5585_keys_setup()

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