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/linux/Documentation/filesystems/ext4/
H A Dblockmap.rst6 | 0 to 11 | Direct map to file blocks 0 to 11. …
8 … | Indirect block: (file blocks 12 to (``$block_size`` / 4) + 11, or 12 to 1035 i…
13 … (``$block_size`` / 4) | Direct map to (``$block_size`` / 4) blocks (1024 if 4KiB blocks) | …
16 …t block: (file blocks ``$block_size``/4 + 12 to (``$block_size`` / 4) ^ 2 + (``$block_size`` / 4) …
21 …$block_size`` / 4) | Map to (``$block_size`` / 4) indirect blocks (1024 if 4KiB blocks) …
26 … (``$block_size`` / 4) | Direct map to (``$block_size`` / 4) blocks (1024 if 4KiB blocks) | …
30 …blocks (``$block_size`` / 4) ^ 2 + (``$block_size`` / 4) + 12 to (``$block_size`` / 4) ^ 3 + (``$b…
35 …size`` / 4) | Map to (``$block_size`` / 4) double indirect blocks (1024 if 4KiB blocks) …
40 …$block_size`` / 4) | Map to (``$block_size`` / 4) indirect blocks (1024 if 4KiB blocks) …
45 … (``$block_size`` / 4) | Direct map to (``$block_size`` / 4) blocks (1024 if 4KiB blocks) | …
/linux/crypto/async_tx/
H A Dasync_pq.c107 do_sync_gen_syndrome(struct page **blocks, unsigned int *offsets, int disks, in do_sync_gen_syndrome() argument
117 srcs = (void **) blocks; in do_sync_gen_syndrome()
120 if (blocks[i] == NULL) { in do_sync_gen_syndrome()
124 srcs[i] = page_address(blocks[i]) + offsets[i]; in do_sync_gen_syndrome()
177 async_gen_syndrome(struct page **blocks, unsigned int *offsets, int disks, in async_gen_syndrome() argument
182 &P(blocks, disks), 2, in async_gen_syndrome()
183 blocks, src_cnt, len); in async_gen_syndrome()
187 BUG_ON(disks > MAX_DISKS || !(P(blocks, disks) || Q(blocks, disks))); in async_gen_syndrome()
211 if (blocks[i] == NULL) in async_gen_syndrome()
213 unmap->addr[j] = dma_map_page(device->dev, blocks[i], in async_gen_syndrome()
[all …]
H A Dasync_raid6_recov.c154 struct page **blocks, unsigned int *offs, in __2data_recov_4() argument
168 p = blocks[disks-2]; in __2data_recov_4()
170 q = blocks[disks-1]; in __2data_recov_4()
173 a = blocks[faila]; in __2data_recov_4()
175 b = blocks[failb]; in __2data_recov_4()
204 struct page **blocks, unsigned int *offs, in __2data_recov_5() argument
222 if (blocks[i] == NULL) in __2data_recov_5()
231 p = blocks[disks-2]; in __2data_recov_5()
233 q = blocks[disks-1]; in __2data_recov_5()
235 g = blocks[good]; in __2data_recov_5()
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/linux/crypto/
H A Daegis128-core.c32 union aegis_block blocks[AEGIS128_STATE_BLOCKS]; member
66 tmp = state->blocks[AEGIS128_STATE_BLOCKS - 1]; in crypto_aegis128_update()
68 crypto_aegis_aesenc(&state->blocks[i], &state->blocks[i - 1], in crypto_aegis128_update()
69 &state->blocks[i]); in crypto_aegis128_update()
70 crypto_aegis_aesenc(&state->blocks[0], &tmp, &state->blocks[0]); in crypto_aegis128_update()
83 crypto_aegis_block_xor(&state->blocks[0], msg); in crypto_aegis128_update_a()
95 crypto_xor(state->blocks[0].bytes, msg, AEGIS_BLOCK_SIZE); in crypto_aegis128_update_u()
108 state->blocks[0] = key_iv; in crypto_aegis128_init()
109 state->blocks[1] = crypto_aegis_const[1]; in crypto_aegis128_init()
110 state->blocks[2] = crypto_aegis_const[0]; in crypto_aegis128_init()
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/linux/drivers/mtd/
H A Drfd_ftl.c88 struct block *blocks; member
95 struct block *block = &part->blocks[block_no]; in build_block_map()
188 part->blocks = kzalloc_objs(struct block, part->total_blocks); in scan_header()
189 if (!part->blocks) in scan_header()
234 kfree(part->blocks); in scan_header()
276 erase->addr = part->blocks[block].offset; in erase_block()
279 part->blocks[block].state = BLOCK_ERASING; in erase_block()
280 part->blocks[block].free_sectors = 0; in erase_block()
287 part->blocks[block].state = BLOCK_FAILED; in erase_block()
288 part->blocks[block].free_sectors = 0; in erase_block()
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/linux/arch/arm64/crypto/
H A Daes-neonbs-glue.c30 int rounds, int blocks);
32 int rounds, int blocks);
35 int rounds, int blocks, u8 iv[]);
38 int rounds, int blocks, u8 iv[]);
41 int rounds, int blocks, u8 iv[]);
43 int rounds, int blocks, u8 iv[]);
47 int rounds, int blocks);
49 int rounds, int blocks, u8 iv[]);
101 int rounds, int blocks)) in __ecb_crypt() argument
111 unsigned int blocks = walk.nbytes / AES_BLOCK_SIZE; in __ecb_crypt() local
[all …]
H A Daes-glue.c78 int rounds, int blocks);
80 int rounds, int blocks);
83 int rounds, int blocks, u8 iv[]);
85 int rounds, int blocks, u8 iv[]);
106 int rounds, int blocks, u8 iv[],
109 int rounds, int blocks, u8 iv[],
113 int blocks, u8 dg[], int enc_before,
183 unsigned int blocks; in ecb_encrypt() local
187 while ((blocks = (walk.nbytes / AES_BLOCK_SIZE))) { in ecb_encrypt()
190 ctx->key_enc, rounds, blocks); in ecb_encrypt()
[all …]
/linux/arch/x86/crypto/
H A Decb_cbc_helpers.h32 #define ECB_WALK_ADVANCE(blocks) do { \ argument
33 dst += (blocks) * __bsize; \
34 src += (blocks) * __bsize; \
35 nbytes -= (blocks) * __bsize; \
38 #define ECB_BLOCK(blocks, func) do { \ argument
39 const int __blocks = (blocks); \
46 ECB_WALK_ADVANCE(blocks); \
61 #define CBC_DEC_BLOCK(blocks, func) do { \ argument
62 const int __blocks = (blocks); \
68 const u8 *__iv = src + ((blocks) - 1) * __bsize; \
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/linux/Documentation/userspace-api/media/v4l/
H A Dvidioc-g-edid.rst60 ``start_block``, ``blocks`` and ``edid`` fields, zero the ``reserved``
62 ``start_block`` and of size ``blocks`` will be placed in the memory
64 ``blocks`` * 128 bytes large (the size of one block is 128 bytes).
66 If there are fewer blocks than specified, then the driver will set
67 ``blocks`` to the actual number of blocks. If there are no EDID blocks
70 If blocks have to be retrieved from the sink, then this call will block
73 If ``start_block`` and ``blocks`` are both set to 0 when
74 :ref:`VIDIOC_G_EDID <VIDIOC_G_EDID>` is called, then the driver will set ``blocks`` to the
75 total number of available EDID blocks and it will return 0 without
76 copying any data. This is an easy way to discover how many EDID blocks
[all …]
/linux/arch/arm/crypto/
H A Daes-neonbs-glue.c28 int rounds, int blocks);
30 int rounds, int blocks);
33 int rounds, int blocks, u8 iv[]);
36 int rounds, int blocks, u8 ctr[]);
39 int rounds, int blocks, u8 iv[], int);
41 int rounds, int blocks, u8 iv[], int);
81 int rounds, int blocks)) in __ecb_crypt() argument
91 unsigned int blocks = walk.nbytes / AES_BLOCK_SIZE; in __ecb_crypt() local
94 blocks = round_down(blocks, in __ecb_crypt()
99 ctx->rounds, blocks); in __ecb_crypt()
[all …]
H A Daes-ce-glue.c28 int rounds, int blocks);
30 int rounds, int blocks);
33 int rounds, int blocks, u8 iv[]);
35 int rounds, int blocks, u8 iv[]);
42 int rounds, int blocks, u8 ctr[]);
170 unsigned int blocks; in ecb_encrypt() local
175 while ((blocks = (walk.nbytes / AES_BLOCK_SIZE))) { in ecb_encrypt()
178 ctx->key_enc, num_rounds(ctx), blocks); in ecb_encrypt()
190 unsigned int blocks; in ecb_decrypt() local
195 while ((blocks = (walk.nbytes / AES_BLOCK_SIZE))) { in ecb_decrypt()
[all …]
/linux/arch/m68k/emu/
H A Dnfblock.c40 static inline s32 nfhd_get_capacity(u32 major, u32 minor, u32 *blocks, in nfhd_get_capacity() argument
44 virt_to_phys(blocks), virt_to_phys(blocksize)); in nfhd_get_capacity()
55 u32 blocks, bsize; member
84 geo->cylinders = dev->blocks >> (6 - dev->bshift); in nfhd_getgeo()
97 static int __init nfhd_init_one(int id, u32 blocks, u32 bsize) in nfhd_init_one() argument
108 blocks, bsize); in nfhd_init_one()
120 dev->blocks = blocks; in nfhd_init_one()
136 set_capacity(dev->disk, (sector_t)blocks * (bsize / 512)); in nfhd_init_one()
155 u32 blocks, bsize; in nfhd_init() local
173 if (nfhd_get_capacity(i, 0, &blocks, &bsize)) in nfhd_init()
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/linux/Documentation/admin-guide/device-mapper/
H A Dwritecache.rst27 start writeback when the number of used blocks reach this
30 stop writeback when the number of used blocks drops below
33 limit the number of blocks that are in flight during
37 when the application writes this amount of blocks without
38 issuing the FLUSH request, the blocks are automatically
58 new writes (however, writes to already cached blocks are
63 blocks drops to zero, userspace can unload the
80 2. the number of blocks
81 3. the number of free blocks
82 4. the number of blocks under writeback
[all …]
H A Dera.rst9 addition it keeps track of which blocks were written within a user
14 Use cases include tracking changed blocks for backup software, and
25 origin dev device holding data blocks that may change
55 <metadata block size> <#used metadata blocks>/<#total metadata blocks>
61 #used metadata blocks Number of metadata blocks used
62 #total metadata blocks Total number of metadata blocks
64 held metadata root The location, in blocks, of the metadata root
89 - Ascertain which blocks have been written since the snapshot was taken
91 - Invalidate those blocks in the caching software
99 that it uses a few 4k blocks for updating metadata::
/linux/drivers/mfd/
H A Dstmpe.c35 unsigned int blocks; member
41 static int __stmpe_enable(struct stmpe *stmpe, unsigned int blocks) in __stmpe_enable() argument
43 return stmpe->variant->enable(stmpe, blocks, true); in __stmpe_enable()
46 static int __stmpe_disable(struct stmpe *stmpe, unsigned int blocks) in __stmpe_disable() argument
48 return stmpe->variant->enable(stmpe, blocks, false); in __stmpe_disable()
126 int stmpe_enable(struct stmpe *stmpe, unsigned int blocks) in stmpe_enable() argument
131 ret = __stmpe_enable(stmpe, blocks); in stmpe_enable()
143 int stmpe_disable(struct stmpe *stmpe, unsigned int blocks) in stmpe_disable() argument
148 ret = __stmpe_disable(stmpe, blocks); in stmpe_disable()
408 static int stmpe801_enable(struct stmpe *stmpe, unsigned int blocks, in stmpe801_enable() argument
[all …]
/linux/Documentation/devicetree/bindings/sifive/
H A Dsifive-blocks-ip-versioning.txt1 DT compatible string versioning for SiFive open-source IP blocks
4 strings for open-source SiFive IP blocks. HDL for these IP blocks
7 https://github.com/sifive/sifive-blocks
14 https://github.com/sifive/sifive-blocks/blob/v1.0/src/main/scala/devices/uart/UART.scala#L43
16 Until these IP blocks (or IP integration) support version
17 auto-discovery, the maintainers of these IP blocks intend to increment
19 interface to these IP blocks changes, or when the functionality of the
20 underlying IP blocks changes in a way that software should be aware of.
25 upstream sifive-blocks commits. It is expected that most drivers will
/linux/drivers/md/
H A Dmd-bitmap.h88 int (*resize)(struct mddev *mddev, sector_t blocks, int chunksize);
111 sector_t *blocks, bool degraded);
112 void (*end_sync)(struct mddev *mddev, sector_t offset, sector_t *blocks);
150 sector_t *blocks, bool degraded) in md_bitmap_start_sync() argument
154 *blocks = 1024; in md_bitmap_start_sync()
158 return mddev->bitmap_ops->start_sync(mddev, offset, blocks, degraded); in md_bitmap_start_sync()
162 sector_t *blocks) in md_bitmap_end_sync() argument
165 *blocks = 1024; in md_bitmap_end_sync()
169 mddev->bitmap_ops->end_sync(mddev, offset, blocks); in md_bitmap_end_sync()
/linux/fs/xfs/libxfs/
H A Dxfs_btree_staging.c487 uint64_t *blocks, in xfs_btree_bload_level_geometry() argument
512 *blocks = div64_u64_rem(nr_this_level, desired_npb, &dontcare); in xfs_btree_bload_level_geometry()
513 *blocks = max(1ULL, *blocks); in xfs_btree_bload_level_geometry()
523 npb = div64_u64_rem(nr_this_level, *blocks, blocks_with_extra); in xfs_btree_bload_level_geometry()
525 (*blocks)++; in xfs_btree_bload_level_geometry()
526 npb = div64_u64_rem(nr_this_level, *blocks, blocks_with_extra); in xfs_btree_bload_level_geometry()
532 *avg_per_block, desired_npb, *blocks, in xfs_btree_bload_level_geometry()
685 uint64_t blocks; in xfs_btree_bload() local
702 &avg_per_block, &blocks, &blocks_with_extra); in xfs_btree_bload()
705 for (i = 0; i < blocks; i++) { in xfs_btree_bload()
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/linux/Documentation/filesystems/
H A Dqnx6.rst19 concepts of blocks, inodes and directories.
31 The space in the device or file is split up into blocks. These are a fixed
49 are done by copying all modified blocks during that specific write request
57 If the level value is 0, up to 16 direct blocks can be addressed by each
61 addressing block holds up to blocksize / 4 bytes pointers to data blocks.
63 to 16 * 256 * 256 = 1048576 blocks that can be addressed by such a tree).
66 indirect addressing blocks or inodes.
75 information (total number of filesystem blocks) or by taking the highest
86 The inode structure contains pointers to the filesystem blocks which contain
90 size, number of blocks used, access time, change time and modification time.
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/linux/drivers/media/i2c/adv748x/
H A Dadv748x-hdmi.c469 if (edid->start_block == 0 && edid->blocks == 0) { in adv748x_hdmi_get_edid()
470 edid->blocks = hdmi->edid.blocks; in adv748x_hdmi_get_edid()
474 if (edid->start_block >= hdmi->edid.blocks) in adv748x_hdmi_get_edid()
477 if (edid->start_block + edid->blocks > hdmi->edid.blocks) in adv748x_hdmi_get_edid()
478 edid->blocks = hdmi->edid.blocks - edid->start_block; in adv748x_hdmi_get_edid()
481 edid->blocks * 128); in adv748x_hdmi_get_edid()
521 if (edid->blocks == 0) { in adv748x_hdmi_set_edid()
522 hdmi->edid.blocks = 0; in adv748x_hdmi_set_edid()
531 edid->blocks << ADV748X_REPEATER_EDID_SZ_SHIFT); in adv748x_hdmi_set_edid()
538 if (edid->blocks > 4) { in adv748x_hdmi_set_edid()
[all …]
/linux/drivers/gpu/drm/amd/amdgpu/
H A Damdgpu_vram_mgr.c40 struct list_head blocks; member
291 list_for_each_entry(block, &vres->blocks, link) in amdgpu_vram_mgr_bo_visible_size()
307 list_for_each_entry_safe(rsv, temp, &mgr->reservations_pending, blocks) { in amdgpu_vram_mgr_do_reserve()
325 list_move(&rsv->blocks, &mgr->reserved_pages); in amdgpu_vram_mgr_do_reserve()
348 INIT_LIST_HEAD(&rsv->blocks); in amdgpu_vram_mgr_reserve_range()
354 list_add_tail(&rsv->blocks, &mgr->reservations_pending); in amdgpu_vram_mgr_reserve_range()
380 list_for_each_entry(rsv, &mgr->reservations_pending, blocks) { in amdgpu_vram_mgr_query_page_status()
388 list_for_each_entry(rsv, &mgr->reserved_pages, blocks) { in amdgpu_vram_mgr_query_page_status()
412 list_for_each_entry(block, &vres->blocks, link) { in amdgpu_vram_mgr_query_address_block_info()
493 INIT_LIST_HEAD(&vres->blocks); in amdgpu_vram_mgr_new()
[all …]
/linux/mm/
H A Ddmapool_test.c41 static int dmapool_test_alloc(struct dma_pool_pair *p, int blocks) in dmapool_test_alloc() argument
45 for (i = 0; i < blocks; i++) { in dmapool_test_alloc()
52 for (i = 0; i < blocks; i++) in dmapool_test_alloc()
65 int blocks = nr_blocks(parms->size); in dmapool_test_block() local
70 p = kzalloc_objs(*p, blocks); in dmapool_test_block()
83 ret = dmapool_test_alloc(p, blocks); in dmapool_test_block()
92 parms->size, parms->align, blocks, in dmapool_test_block()
/linux/drivers/iio/buffer/
H A Dindustrialio-buffer-dma.c351 for (i = 0; i < ARRAY_SIZE(queue->fileio.blocks); i++) { in iio_dma_buffer_request_update()
352 block = queue->fileio.blocks[i]; in iio_dma_buffer_request_update()
368 for (i = 0; i < ARRAY_SIZE(queue->fileio.blocks); i++) { in iio_dma_buffer_request_update()
369 if (queue->fileio.blocks[i]) { in iio_dma_buffer_request_update()
370 block = queue->fileio.blocks[i]; in iio_dma_buffer_request_update()
387 queue->fileio.blocks[i] = block; in iio_dma_buffer_request_update()
419 for (i = 0; i < ARRAY_SIZE(queue->fileio.blocks); i++) { in iio_dma_buffer_fileio_free()
420 if (!queue->fileio.blocks[i]) in iio_dma_buffer_fileio_free()
422 queue->fileio.blocks[i]->state = IIO_BLOCK_STATE_DEAD; in iio_dma_buffer_fileio_free()
428 for (i = 0; i < ARRAY_SIZE(queue->fileio.blocks); i++) { in iio_dma_buffer_fileio_free()
[all …]
/linux/fs/ext4/
H A Dext4_jbd2.h181 unsigned int line, int type, int blocks,
210 int blocks) in ext4_free_metadata_revoke_credits() argument
213 return blocks * EXT4_SB(sb)->s_cluster_ratio; in ext4_free_metadata_revoke_credits()
229 #define ext4_journal_start_with_reserve(inode, type, blocks, rsv_blocks)\ argument
230 __ext4_journal_start((inode), __LINE__, (type), (blocks), (rsv_blocks),\
233 #define ext4_journal_start_with_revoke(inode, type, blocks, revoke_creds) \ argument
234 __ext4_journal_start((inode), __LINE__, (type), (blocks), 0, \
239 int blocks, int rsv_blocks, in __ext4_journal_start() argument
242 return __ext4_journal_start_sb(inode, inode->i_sb, line, type, blocks, in __ext4_journal_start()
394 static inline int ext4_free_data_revoke_credits(struct inode *inode, int blocks) in ext4_free_data_revoke_credits() argument
[all …]
/linux/lib/crypto/x86/
H A Dblake2s.h34 const size_t blocks = min_t(size_t, nblocks, in blake2s_compress() local
39 blake2s_compress_avx512(ctx, data, blocks, inc); in blake2s_compress()
41 blake2s_compress_ssse3(ctx, data, blocks, inc); in blake2s_compress()
44 data += blocks * BLAKE2S_BLOCK_SIZE; in blake2s_compress()
45 nblocks -= blocks; in blake2s_compress()

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