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/Linux-v5.4/Documentation/filesystems/ext4/
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-v5.4/crypto/
Daegis128-core.c31 union aegis_block blocks[AEGIS128_STATE_BLOCKS]; member
80 tmp = state->blocks[AEGIS128_STATE_BLOCKS - 1]; in crypto_aegis128_update()
82 crypto_aegis_aesenc(&state->blocks[i], &state->blocks[i - 1], in crypto_aegis128_update()
83 &state->blocks[i]); in crypto_aegis128_update()
84 crypto_aegis_aesenc(&state->blocks[0], &tmp, &state->blocks[0]); in crypto_aegis128_update()
96 crypto_aegis_block_xor(&state->blocks[0], msg); in crypto_aegis128_update_a()
107 crypto_xor(state->blocks[0].bytes, msg, AEGIS_BLOCK_SIZE); in crypto_aegis128_update_u()
120 state->blocks[0] = key_iv; in crypto_aegis128_init()
121 state->blocks[1] = crypto_aegis_const[1]; in crypto_aegis128_init()
122 state->blocks[2] = crypto_aegis_const[0]; in crypto_aegis128_init()
[all …]
/Linux-v5.4/crypto/async_tx/
Dasync_pq.c107 do_sync_gen_syndrome(struct page **blocks, unsigned int offset, 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]) + offset; in do_sync_gen_syndrome()
163 async_gen_syndrome(struct page **blocks, unsigned int offset, int disks, in async_gen_syndrome() argument
168 &P(blocks, disks), 2, in async_gen_syndrome()
169 blocks, src_cnt, len); in async_gen_syndrome()
173 BUG_ON(disks > MAX_DISKS || !(P(blocks, disks) || Q(blocks, disks))); in async_gen_syndrome()
197 if (blocks[i] == NULL) in async_gen_syndrome()
199 unmap->addr[j] = dma_map_page(device->dev, blocks[i], offset, in async_gen_syndrome()
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Dasync_raid6_recov.c147 struct page **blocks, struct async_submit_ctl *submit) in __2data_recov_4() argument
158 p = blocks[disks-2]; in __2data_recov_4()
159 q = blocks[disks-1]; in __2data_recov_4()
161 a = blocks[faila]; in __2data_recov_4()
162 b = blocks[failb]; in __2data_recov_4()
186 struct page **blocks, struct async_submit_ctl *submit) in __2data_recov_5() argument
201 if (blocks[i] == NULL) in __2data_recov_5()
210 p = blocks[disks-2]; in __2data_recov_5()
211 q = blocks[disks-1]; in __2data_recov_5()
212 g = blocks[good]; in __2data_recov_5()
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/Linux-v5.4/arch/arm64/crypto/
Daes-neonbs-glue.c29 int rounds, int blocks);
31 int rounds, int blocks);
34 int rounds, int blocks, u8 iv[]);
37 int rounds, int blocks, u8 iv[], u8 final[]);
40 int rounds, int blocks, u8 iv[]);
42 int rounds, int blocks, u8 iv[]);
46 int rounds, int blocks);
48 int rounds, int blocks, u8 iv[]);
99 int rounds, int blocks)) in __ecb_crypt() argument
109 unsigned int blocks = walk.nbytes / AES_BLOCK_SIZE; in __ecb_crypt() local
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Dghash-ce-glue.c53 asmlinkage void pmull_ghash_update_p64(int blocks, u64 dg[], const char *src,
57 asmlinkage void pmull_ghash_update_p8(int blocks, u64 dg[], const char *src,
61 asmlinkage void pmull_gcm_encrypt(int blocks, u64 dg[], u8 dst[],
66 asmlinkage void pmull_gcm_decrypt(int blocks, u64 dg[], u8 dst[],
81 static void ghash_do_update(int blocks, u64 dg[], const char *src, in ghash_do_update() argument
83 void (*simd_update)(int blocks, u64 dg[], in ghash_do_update() argument
90 simd_update(blocks, dg, src, key, head); in ghash_do_update()
100 blocks++; in ghash_do_update()
108 } while (--blocks); in ghash_do_update()
120 void (*simd_update)(int blocks, u64 dg[], in __ghash_update() argument
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Daes-glue.c75 int rounds, int blocks);
77 int rounds, int blocks);
80 int rounds, int blocks, u8 iv[]);
82 int rounds, int blocks, u8 iv[]);
90 int rounds, int blocks, u8 ctr[]);
100 int rounds, int blocks, u8 iv[],
103 int rounds, int blocks, u8 iv[],
107 int blocks, u8 dg[], int enc_before,
197 unsigned int blocks; in ecb_encrypt() local
201 while ((blocks = (walk.nbytes / AES_BLOCK_SIZE))) { in ecb_encrypt()
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/Linux-v5.4/drivers/mtd/
Drfd_ftl.c88 struct block *blocks; member
95 struct block *block = &part->blocks[block_no]; in build_block_map()
188 part->blocks = kcalloc(part->total_blocks, sizeof(struct block), in scan_header()
190 if (!part->blocks) in scan_header()
238 kfree(part->blocks); in scan_header()
280 erase->addr = part->blocks[block].offset; in erase_block()
283 part->blocks[block].state = BLOCK_ERASING; in erase_block()
284 part->blocks[block].free_sectors = 0; in erase_block()
291 part->blocks[block].state = BLOCK_FAILED; in erase_block()
292 part->blocks[block].free_sectors = 0; in erase_block()
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/Linux-v5.4/Documentation/media/uapi/v4l/
Dvidioc-g-edid.rst66 ``start_block``, ``blocks`` and ``edid`` fields, zero the ``reserved``
68 ``start_block`` and of size ``blocks`` will be placed in the memory
70 ``blocks`` * 128 bytes large (the size of one block is 128 bytes).
72 If there are fewer blocks than specified, then the driver will set
73 ``blocks`` to the actual number of blocks. If there are no EDID blocks
76 If blocks have to be retrieved from the sink, then this call will block
79 If ``start_block`` and ``blocks`` are both set to 0 when
80 :ref:`VIDIOC_G_EDID <VIDIOC_G_EDID>` is called, then the driver will set ``blocks`` to the
81 total number of available EDID blocks and it will return 0 without
82 copying any data. This is an easy way to discover how many EDID blocks
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/Linux-v5.4/drivers/gpu/drm/i915/selftests/
Di915_buddy.c114 struct list_head *blocks, in igt_check_blocks() argument
127 list_for_each_entry(block, blocks, link) { in igt_check_blocks()
319 LIST_HEAD(blocks); in igt_buddy_alloc_smoke()
354 list_add_tail(&block->link, &blocks); in igt_buddy_alloc_smoke()
366 err = igt_check_blocks(&mm, &blocks, total, false); in igt_buddy_alloc_smoke()
368 i915_buddy_free_list(&mm, &blocks); in igt_buddy_alloc_smoke()
394 LIST_HEAD(blocks); in igt_buddy_alloc_pessimistic()
419 list_add_tail(&block->link, &blocks); in igt_buddy_alloc_pessimistic()
429 list_add_tail(&block->link, &blocks); in igt_buddy_alloc_pessimistic()
437 list_add_tail(&block->link, &blocks); in igt_buddy_alloc_pessimistic()
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/Linux-v5.4/arch/arm/crypto/
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 ctr[], u8 final[]);
41 int rounds, int blocks, u8 iv[], int);
43 int rounds, int blocks, u8 iv[], int);
88 int rounds, int blocks)) in __ecb_crypt() argument
98 unsigned int blocks = walk.nbytes / AES_BLOCK_SIZE; in __ecb_crypt() local
101 blocks = round_down(blocks, in __ecb_crypt()
106 ctx->rounds, blocks); in __ecb_crypt()
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/Linux-v5.4/arch/m68k/emu/
Dnfblock.c41 static inline s32 nfhd_get_capacity(u32 major, u32 minor, u32 *blocks, in nfhd_get_capacity() argument
45 virt_to_phys(blocks), virt_to_phys(blocksize)); in nfhd_get_capacity()
56 u32 blocks, bsize; member
87 geo->cylinders = dev->blocks >> (6 - dev->bshift); in nfhd_getgeo()
99 static int __init nfhd_init_one(int id, u32 blocks, u32 bsize) in nfhd_init_one() argument
105 blocks, bsize); in nfhd_init_one()
117 dev->blocks = blocks; in nfhd_init_one()
138 set_capacity(dev->disk, (sector_t)blocks * (bsize / 512)); in nfhd_init_one()
157 u32 blocks, bsize; in nfhd_init() local
175 if (nfhd_get_capacity(i, 0, &blocks, &bsize)) in nfhd_init()
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/Linux-v5.4/arch/x86/crypto/
Dpoly1305_glue.c31 const u32 *r, unsigned int blocks);
33 unsigned int blocks, const u32 *u);
36 unsigned int blocks, const u32 *u);
67 unsigned int blocks, datalen; in poly1305_simd_blocks() local
92 blocks = srclen / (POLY1305_BLOCK_SIZE * 4); in poly1305_simd_blocks()
93 poly1305_4block_avx2(dctx->h.h, src, dctx->r.r, blocks, in poly1305_simd_blocks()
95 src += POLY1305_BLOCK_SIZE * 4 * blocks; in poly1305_simd_blocks()
96 srclen -= POLY1305_BLOCK_SIZE * 4 * blocks; in poly1305_simd_blocks()
105 blocks = srclen / (POLY1305_BLOCK_SIZE * 2); in poly1305_simd_blocks()
106 poly1305_2block_sse2(dctx->h.h, src, dctx->r.r, blocks, in poly1305_simd_blocks()
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/Linux-v5.4/Documentation/devicetree/bindings/sifive/
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-v5.4/Documentation/admin-guide/device-mapper/
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-v5.4/drivers/mfd/
Dstmpe.c39 unsigned int blocks; member
47 static int __stmpe_enable(struct stmpe *stmpe, unsigned int blocks) in __stmpe_enable() argument
49 return stmpe->variant->enable(stmpe, blocks, true); in __stmpe_enable()
52 static int __stmpe_disable(struct stmpe *stmpe, unsigned int blocks) in __stmpe_disable() argument
54 return stmpe->variant->enable(stmpe, blocks, false); in __stmpe_disable()
132 int stmpe_enable(struct stmpe *stmpe, unsigned int blocks) in stmpe_enable() argument
137 ret = __stmpe_enable(stmpe, blocks); in stmpe_enable()
149 int stmpe_disable(struct stmpe *stmpe, unsigned int blocks) in stmpe_disable() argument
154 ret = __stmpe_disable(stmpe, blocks); in stmpe_disable()
412 static int stmpe801_enable(struct stmpe *stmpe, unsigned int blocks, in stmpe801_enable() argument
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/Linux-v5.4/Documentation/filesystems/
Dqnx6.txt16 concepts of blocks, inodes and directories.
26 The space in the device or file is split up into blocks. These are a fixed
43 are done by copying all modified blocks during that specific write request
51 If the level value is 0, up to 16 direct blocks can be addressed by each
54 addressing block holds up to blocksize / 4 bytes pointers to data blocks.
56 to 16 * 256 * 256 = 1048576 blocks that can be addressed by such a tree).
59 indirect addressing blocks or inodes.
66 information (total number of filesystem blocks) or by taking the highest
77 The inode structure contains pointers to the filesystem blocks which contain
81 size, number of blocks used, access time, change time and modification time.
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/Linux-v5.4/include/crypto/
Dsha256_base.h19 int blocks);
46 int blocks; in sha256_base_do_update() local
58 blocks = len / SHA256_BLOCK_SIZE; in sha256_base_do_update()
61 if (blocks) { in sha256_base_do_update()
62 block_fn(sctx, data, blocks); in sha256_base_do_update()
63 data += blocks * SHA256_BLOCK_SIZE; in sha256_base_do_update()
Dsha1_base.h18 typedef void (sha1_block_fn)(struct sha1_state *sst, u8 const *src, int blocks);
45 int blocks; in sha1_base_do_update() local
57 blocks = len / SHA1_BLOCK_SIZE; in sha1_base_do_update()
60 if (blocks) { in sha1_base_do_update()
61 block_fn(sctx, data, blocks); in sha1_base_do_update()
62 data += blocks * SHA1_BLOCK_SIZE; in sha1_base_do_update()
Dsm3_base.h18 typedef void (sm3_block_fn)(struct sm3_state *sst, u8 const *src, int blocks);
48 int blocks; in sm3_base_do_update() local
60 blocks = len / SM3_BLOCK_SIZE; in sm3_base_do_update()
63 if (blocks) { in sm3_base_do_update()
64 block_fn(sctx, data, blocks); in sm3_base_do_update()
65 data += blocks * SM3_BLOCK_SIZE; in sm3_base_do_update()
Dsha512_base.h19 int blocks);
68 int blocks; in sha512_base_do_update() local
80 blocks = len / SHA512_BLOCK_SIZE; in sha512_base_do_update()
83 if (blocks) { in sha512_base_do_update()
84 block_fn(sctx, data, blocks); in sha512_base_do_update()
85 data += blocks * SHA512_BLOCK_SIZE; in sha512_base_do_update()
/Linux-v5.4/drivers/media/i2c/adv748x/
Dadv748x-hdmi.c471 if (edid->start_block == 0 && edid->blocks == 0) { in adv748x_hdmi_get_edid()
472 edid->blocks = hdmi->edid.blocks; in adv748x_hdmi_get_edid()
476 if (edid->start_block >= hdmi->edid.blocks) in adv748x_hdmi_get_edid()
479 if (edid->start_block + edid->blocks > hdmi->edid.blocks) in adv748x_hdmi_get_edid()
480 edid->blocks = hdmi->edid.blocks - edid->start_block; in adv748x_hdmi_get_edid()
483 edid->blocks * 128); in adv748x_hdmi_get_edid()
523 if (edid->blocks == 0) { in adv748x_hdmi_set_edid()
524 hdmi->edid.blocks = 0; in adv748x_hdmi_set_edid()
533 edid->blocks << ADV748X_REPEATER_EDID_SZ_SHIFT); in adv748x_hdmi_set_edid()
540 if (edid->blocks > 4) { in adv748x_hdmi_set_edid()
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/Linux-v5.4/drivers/ide/
Dide-floppy.c197 int blocks = blk_rq_sectors(rq) / floppy->bs_factor; in idefloppy_create_rw_cmd() local
200 ide_debug_log(IDE_DBG_FUNC, "block: %d, blocks: %d", block, blocks); in idefloppy_create_rw_cmd()
204 put_unaligned(cpu_to_be16(blocks), (unsigned short *)&pc->c[7]); in idefloppy_create_rw_cmd()
360 lba_capacity = floppy->blocks * floppy->block_size; in ide_floppy_get_flexible_disk_page()
366 floppy->blocks = floppy->block_size ? in ide_floppy_get_flexible_disk_page()
368 drive->capacity64 = floppy->blocks * floppy->bs_factor; in ide_floppy_get_flexible_disk_page()
385 int i, rc = 1, blocks, length; in ide_floppy_get_capacity() local
391 floppy->blocks = 0; in ide_floppy_get_capacity()
407 blocks = be32_to_cpup((__be32 *)&pc_buf[desc_start]); in ide_floppy_get_capacity()
412 i, blocks * length / 1024, in ide_floppy_get_capacity()
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/Linux-v5.4/fs/verity/
Dopen.c36 u64 blocks; in fsverity_init_merkle_tree_params() local
92 blocks = (inode->i_size + params->block_size - 1) >> log_blocksize; in fsverity_init_merkle_tree_params()
93 pr_debug("Data is %lld bytes (%llu blocks)\n", inode->i_size, blocks); in fsverity_init_merkle_tree_params()
94 while (blocks > 1) { in fsverity_init_merkle_tree_params()
100 blocks = (blocks + params->hashes_per_block - 1) >> in fsverity_init_merkle_tree_params()
103 params->level_start[params->num_levels++] = blocks; in fsverity_init_merkle_tree_params()
109 blocks = params->level_start[level]; in fsverity_init_merkle_tree_params()
112 level, blocks, offset); in fsverity_init_merkle_tree_params()
113 offset += blocks; in fsverity_init_merkle_tree_params()
/Linux-v5.4/fs/
Dmpage.c167 sector_t blocks[MAX_BUF_PER_PAGE]; in do_mpage_readpage() local
213 blocks[page_block] = map_bh->b_blocknr + map_offset + in do_mpage_readpage()
260 if (page_block && blocks[page_block-1] != map_bh->b_blocknr-1) in do_mpage_readpage()
269 blocks[page_block] = map_bh->b_blocknr+relative_block; in do_mpage_readpage()
296 if (args->bio && (args->last_block_in_bio != blocks[0] - 1)) in do_mpage_readpage()
302 if (!bdev_read_page(bdev, blocks[0] << (blkbits - 9), in do_mpage_readpage()
306 args->bio = mpage_alloc(bdev, blocks[0] << (blkbits - 9), in do_mpage_readpage()
326 args->last_block_in_bio = blocks[blocks_per_page - 1]; in do_mpage_readpage()
508 sector_t blocks[MAX_BUF_PER_PAGE]; in __mpage_writepage() local
547 if (bh->b_blocknr != blocks[page_block-1] + 1) in __mpage_writepage()
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