| /linux-6.15/arch/powerpc/boot/ |
| D | ps3-head.S | 1 /* SPDX-License-Identifier: GPL-2.0-only */
16 * __system_reset_overlay - The PS3 first stage entry.
18 * The bootwraper build script copies the 512 bytes at symbol
20 * must occupy 512 or less bytes.
28 /* Switch to 32-bit mode. */
58 . = __system_reset_overlay + 512
61 * __system_reset_kernel - Place holder for the kernel reset vector.
63 * The bootwrapper build script copies 512 bytes from offset 0x100
65 * the bootwrapper program copies the 512 bytes at __system_reset_kernel
66 * to ram address 0x100. This symbol must occupy 512 bytes.
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| /linux-6.15/arch/x86/include/asm/ |
| D | xor_avx.h | 1 /* SPDX-License-Identifier: GPL-2.0-only */
6 * Optimized RAID-5 checksumming functions for AVX
29 static void xor_avx_2(unsigned long bytes, unsigned long * __restrict p0, in xor_avx_2() argument
32 unsigned long lines = bytes >> 9; in xor_avx_2()
36 while (lines--) { in xor_avx_2()
49 p0 = (unsigned long *)((uintptr_t)p0 + 512); in xor_avx_2()
50 p1 = (unsigned long *)((uintptr_t)p1 + 512); in xor_avx_2()
56 static void xor_avx_3(unsigned long bytes, unsigned long * __restrict p0, in xor_avx_3() argument
60 unsigned long lines = bytes >> 9; in xor_avx_3()
64 while (lines--) { in xor_avx_3()
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| /linux-6.15/Documentation/admin-guide/device-mapper/ |
| D | dm-ebs.rst | 2 dm-ebs
8 size. Its main purpose is to provide emulation of 512 byte sectors on
11 Supported emulated logical block sizes 512, 1024, 2048 and 4096.
17 ----------------
23 Full pathname to the underlying block-device,
24 or a "major:minor" device-number.
30 1, 2, 4, 8 sectors of 512 bytes supported.
36 2^N supported, e.g. 8 = emulate 8 sectors of 512 bytes = 4KiB.
42 Emulate 1 sector = 512 bytes logical block size on /dev/sda starting at
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| D | dm-crypt.rst | 2 dm-crypt
5 Device-Mapper's "crypt" target provides transparent encryption of block devices
21 cipher[:keycount]-chainmode-ivmode[:ivopts]
25 aes-cbc-essiv:sha256
26 aes-xts-plain64
27 serpent-xts-plain64
36 capi:cipher_api_spec-ivmode[:ivopts]
40 capi:cbc(aes)-essiv:sha256
41 capi:xts(aes)-plain64
45 capi:gcm(aes)-random
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| D | dm-dust.rst | 1 dm-dust
27 With dm-dust, the user can use the "addbadblock" and "removebadblock"
31 This allows the pre-writing of test data and metadata prior to
35 ----------------
46 Block size in bytes
48 (minimum 512, maximum 1073741824, must be a power of 2)
51 ------------------
53 First, find the size (in 512-byte sectors) of the device to be used::
55 $ sudo blockdev --getsz /dev/vdb1
58 Create the dm-dust device:
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| D | dm-integrity.rst | 2 dm-integrity
5 The dm-integrity target emulates a block device that has additional
6 per-sector tags that can be used for storing integrity information.
9 writing the sector and the integrity tag must be atomic - i.e. in case of
12 To guarantee write atomicity, the dm-integrity target uses journal, it
16 The dm-integrity target can be used with the dm-crypt target - in this
17 situation the dm-crypt target creates the integrity data and passes them
18 to the dm-integrity target via bio_integrity_payload attached to the bio.
19 In this mode, the dm-crypt and dm-integrity targets provide authenticated
20 disk encryption - if the attacker modifies the encrypted device, an I/O
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| /linux-6.15/tools/testing/selftests/bpf/progs/ |
| D | test_bpf_ma.c | 1 // SPDX-License-Identifier: GPL-2.0
16 const unsigned int data_sizes[] = {16, 32, 64, 96, 128, 192, 256, 512, 1024, 2048, 4096};
19 const unsigned int percpu_data_sizes[] = {8, 16, 32, 64, 96, 128, 192, 256, 512};
27 char data[_size - sizeof(void *)]; \
74 old = bpf_kptr_xchg(&value->data, new); in batch_alloc()
96 old = bpf_kptr_xchg(&value->data, NULL); in batch_free()
119 /* per-cpu allocator may not be able to refill in time */ in batch_percpu_alloc()
124 old = bpf_kptr_xchg(&value->data, new); in batch_percpu_alloc()
147 old = bpf_kptr_xchg(&value->data, NULL); in batch_percpu_free()
172 /* kptr doesn't support bin_data_8 which is a zero-sized array */
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| /linux-6.15/drivers/scsi/ |
| D | atari_scsi.c | 2 * atari_scsi.c -- Device dependent functions for the Atari generic SCSI port
4 * Copyright 1994 Roman Hodek <Roman.Hodek@informatik.uni-erlangen.de>
7 * - working real DMA
8 * - Falcon support (untested yet!) ++bjoern fixed and now it works
9 * - lots of extensions and bug fixes.
137 * scatter-gather anyway, so most transfers are 1024 byte only. In the rare
143 /* mask for address bits that can't be used with the ST-DMA */
147 static int setup_can_queue = -1;
149 static int setup_cmd_per_lun = -1;
151 static int setup_sg_tablesize = -1;
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| /linux-6.15/fs/crypto/ |
| D | hkdf.c | 1 // SPDX-License-Identifier: GPL-2.0
16 * SHA-512 because it is well-established, secure, and reasonably efficient.
18 * HKDF-SHA256 was also considered, as its 256-bit security strength would be
19 * sufficient here. A 512-bit security strength is "nice to have", though.
20 * Also, on 64-bit CPUs, SHA-512 is usually just as fast as SHA-256. In the
21 * common case of deriving an AES-256-XTS key (512 bits), that can result in
22 * HKDF-SHA512 being much faster than HKDF-SHA256, as the longer digest size of
23 * SHA-512 causes HKDF-Expand to only need to do one iteration rather than two.
31 * 1. HKDF-Extract: extract a pseudorandom key of length HKDF_HASHLEN bytes from
33 * 2. HKDF-Expand: expand the pseudorandom key into output keying material of
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| /linux-6.15/drivers/target/ |
| D | target_core_xcopy.h | 1 /* SPDX-License-Identifier: GPL-2.0 */
61 #define RCR_OP_DATA_SEG_GRAN_LOG2 9 /* 512 bytes in log 2 */
62 #define RCR_OP_INLINE_DATA_GRAN_LOG2 9 /* 512 bytes in log 2 */
63 #define RCR_OP_HELD_DATA_GRAN_LOG2 9 /* 512 bytes in log 2 */
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| /linux-6.15/include/linux/ |
| D | task_io_accounting_ops.h | 1 /* SPDX-License-Identifier: GPL-2.0 */
11 static inline void task_io_account_read(size_t bytes) in task_io_account_read() argument
13 current->ioac.read_bytes += bytes; in task_io_account_read()
17 * We approximate number of blocks, because we account bytes only.
18 * A 'block' is 512 bytes
22 return p->ioac.read_bytes >> 9; in task_io_get_inblock()
25 static inline void task_io_account_write(size_t bytes) in task_io_account_write() argument
27 current->ioac.write_bytes += bytes; in task_io_account_write()
31 * We approximate number of blocks, because we account bytes only.
32 * A 'block' is 512 bytes
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| D | acct.h | 1 /* SPDX-License-Identifier: GPL-2.0 */
3 * BSD Process Accounting for Linux - Definitions
8 * BSD-style process accounting. The kernel accounting code and all
9 * user-level programs that try to do something useful with the
12 * Copyright (C) 1995 - 1997 Marco van Wieringen - ELM Consultancy B.V.
38 * 3: new binary incompatible format (64 bytes)
39 * 4: new binary incompatible format (128 bytes)
40 * 5: new binary incompatible format (128 bytes, second half)
86 #elif (AHZ % 512) == 0 in nsec_to_AHZ()
87 x *= AHZ/512; in nsec_to_AHZ()
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| /linux-6.15/include/uapi/linux/raid/ |
| D | md_p.h | 1 /* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
4 Copyright (C) 1996-98 Ingo Molnar, Gadi Oxman
25 * We currently use 4096 bytes as follows:
29 * 0 - 31 Constant generic RAID device information.
30 * 32 - 63 Generic state information.
31 * 64 - 127 Personality specific information.
32 * 128 - 511 12 32-words descriptors of the disks in the raid set.
33 * 512 - 911 Reserved.
34 * 912 - 1023 Disk specific descriptor.
38 * If x is the real device size in bytes, we return an apparent size of:
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| /linux-6.15/arch/s390/crypto/ |
| D | prng.c | 1 // SPDX-License-Identifier: GPL-2.0
42 MODULE_PARM_DESC(prng_mode, "PRNG mode: 0 - auto, 1 - TDES, 2 - SHA512");
52 MODULE_PARM_DESC(prng_chunk_size, "PRNG read chunk size in bytes");
68 * of course, in a state of sin. -- John von Neumann
119 * This function fills a given buffer with random bytes. The entropy within
120 * the random bytes given back is assumed to have at least 50% - meaning
121 * a 64 bytes buffer has at least 64 * 8 / 2 = 256 bits of entropy.
122 * Within the function the entropy generation is done in junks of 64 bytes.
123 * So the caller should also ask for buffer fill in multiples of 64 bytes.
126 * at least 512 stckf() values are needed. The entropy relevant part of the
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| /linux-6.15/drivers/mtd/nand/ |
| D | ecc-sw-bch.c | 1 // SPDX-License-Identifier: GPL-2.0-or-later
15 #include <linux/mtd/nand-ecc-sw-bch.h>
18 * nand_ecc_sw_bch_calculate - Calculate the ECC corresponding to a data block
26 struct nand_ecc_sw_bch_conf *engine_conf = nand->ecc.ctx.priv; in nand_ecc_sw_bch_calculate()
29 memset(code, 0, engine_conf->code_size); in nand_ecc_sw_bch_calculate()
30 bch_encode(engine_conf->bch, buf, nand->ecc.ctx.conf.step_size, code); in nand_ecc_sw_bch_calculate()
33 for (i = 0; i < engine_conf->code_size; i++) in nand_ecc_sw_bch_calculate()
34 code[i] ^= engine_conf->eccmask[i]; in nand_ecc_sw_bch_calculate()
41 * nand_ecc_sw_bch_correct - Detect, correct and report bit error(s)
44 * @read_ecc: ECC bytes from the chip
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| /linux-6.15/Documentation/ABI/testing/ |
| D | debugfs-pfo-nx-crypto | 1 What: /sys/kernel/debug/nx-crypto/*
7 These debugfs interfaces are built by the nx-crypto driver, built in
18 The most recent non-zero return code from the H_COP_OP hcall. -EBUSY is not
19 recorded here (the hcall will retry until -EBUSY goes away).
29 The total number of bytes encrypted using AES in any of the driver's
36 The total number of bytes hashed by the hardware using SHA-256.
39 The total number of SHA-256 operations submitted to the hardware.
42 The total number of bytes hashed by the hardware using SHA-512.
45 The total number of SHA-512 operations submitted to the hardware.
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| /linux-6.15/tools/testing/selftests/x86/ |
| D | xstate.h | 1 // SPDX-License-Identifier: GPL-2.0-only
9 #define XSAVE_HDR_OFFSET 512
48 "AVX-512 opmask",
49 "AVX-512 Hi256",
50 "AVX-512 ZMM_Hi256",
54 "Control-flow User registers",
55 "Control-flow Kernel registers (unused)",
72 char bytes[0]; member
106 * EBX enumerates the size (in bytes) required by the XSAVE in get_xbuf_size()
146 /* XSAVE buffer should be 64B-aligned. */ in alloc_xbuf()
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| /linux-6.15/drivers/mmc/core/ |
| D | mmc_test.c | 1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * Copyright 2007-2008 Pierre Ossman
43 * struct mmc_test_pages - pages allocated by 'alloc_pages()'.
53 * struct mmc_test_mem - allocated memory.
63 * struct mmc_test_area - information for performance tests.
64 * @max_sz: test area size (in bytes)
66 * @max_tfr: maximum transfer size allowed by driver (in bytes)
69 * @blocks: number of (512 byte) blocks currently mapped by @sg
73 * @sg_areq: scatterlist for non-blocking request
89 * struct mmc_test_transfer_result - transfer results for performance tests.
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| /linux-6.15/arch/arm/boot/compressed/ |
| D | vmlinux.lds.S | 1 /* SPDX-License-Identifier: GPL-2.0-only */
28 * Discard any r/w data - this produces a link error if we have any,
50 LONG(ZIMAGE_MAGIC(__piggy_size_addr - _start))
65 __piggy_size_addr = . - 4;
96 * PE/COFF mandates a file size which is a multiple of 512 bytes if the
99 . = ALIGN(512);
101 __pecoff_data_rawsize = . - ADDR(.data);
113 * EFI requires that the image is aligned to 512 bytes, and appended
124 _magic_table = ZIMAGE_MAGIC(_table_start - _start);
131 . = ALIGN(8); /* the stack must be 64-bit aligned */
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| /linux-6.15/drivers/block/rnbd/ |
| D | rnbd-proto.h | 1 /* SPDX-License-Identifier: GPL-2.0-or-later */
5 * Copyright (c) 2014 - 2018 ProfitBricks GmbH. All rights reserved.
6 * Copyright (c) 2018 - 2019 1&1 IONOS Cloud GmbH. All rights reserved.
7 * Copyright (c) 2019 - 2020 1&1 IONOS SE. All rights reserved.
13 #include <linux/blk-mq.h>
27 * enum rnbd_msg_types - RNBD message types
45 * struct rnbd_msg_hdr - header of RNBD messages
74 * struct rnbd_msg_sess_info - initial session info from client to server
85 * struct rnbd_msg_sess_info_rsp - initial session info from server to client
96 * struct rnbd_msg_open - request to open a remote device.
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| /linux-6.15/drivers/mtd/nand/raw/ |
| D | lpc32xx_mlc.c | 1 // SPDX-License-Identifier: GPL-2.0-or-later
11 * - Read: Auto Decode
12 * - Write: Auto Encode
13 * - Tested Page Sizes: 2048, 4096
32 #include <linux/dma-mapping.h>
134 if (section >= nand_chip->ecc.steps) in lpc32xx_ooblayout_ecc()
135 return -ERANGE; in lpc32xx_ooblayout_ecc()
137 oobregion->offset = ((section + 1) * 16) - nand_chip->ecc.bytes; in lpc32xx_ooblayout_ecc()
138 oobregion->length = nand_chip->ecc.bytes; in lpc32xx_ooblayout_ecc()
148 if (section >= nand_chip->ecc.steps) in lpc32xx_ooblayout_free()
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| /linux-6.15/fs/xfs/libxfs/ |
| D | xfs_types.h | 1 // SPDX-License-Identifier: GPL-2.0
3 * Copyright (c) 2000-2005 Silicon Graphics, Inc.
20 typedef int64_t xfs_fsize_t; /* bytes in a file */
21 typedef uint64_t xfs_ufsize_t; /* unsigned bytes in a file */
52 #define NULLFSBLOCK ((xfs_fsblock_t)-1)
53 #define NULLRFSBLOCK ((xfs_rfsblock_t)-1)
54 #define NULLRTBLOCK ((xfs_rtblock_t)-1)
55 #define NULLFILEOFF ((xfs_fileoff_t)-1)
57 #define NULLAGBLOCK ((xfs_agblock_t)-1)
58 #define NULLRGBLOCK ((xfs_rgblock_t)-1)
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| /linux-6.15/tools/arch/x86/kcpuid/ |
| D | cpuid.csv | 1 # SPDX-License-Identifier: CC0-1.0
2 # Generator: x86-cpuid-db v1.0
5 # Auto-generated file.
6 # Please submit all updates and bugfixes to https://x86-cpuid.org
16 0, 0, ebx, 31:0, cpu_vendorid_0 , CPU vendor ID string bytes 0 - 3
17 0, 0, ecx, 31:0, cpu_vendorid_2 , CPU vendor ID string bytes 8 - 11
18 0, 0, edx, 31:0, cpu_vendorid_1 , CPU vendor ID string bytes 4 - 7
35 1, 0, ecx, 2, dtes64 , 64-bit DS save area
49 1, 0, ecx, 17, pcid , Process-context identifiers
56 1, 0, ecx, 24, tsc_deadline_timer , APIC timer one-shot operation
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| /linux-6.15/drivers/staging/rtl8723bs/include/ |
| D | rtw_eeprom.h | 1 /* SPDX-License-Identifier: GPL-2.0 */
4 * Copyright(c) 2007 - 2011 Realtek Corporation. All rights reserved.
16 #define HWSET_MAX_SIZE_512 512
64 …d for CCX functions, but for test behavior like retry limit and tx report. By Bruce, 2009-02-17. */
106 …u8 efuse_eeprom_data[EEPROM_MAX_SIZE]; /* 92C:256bytes, 88E:512bytes, we use union set (512bytes) …
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| /linux-6.15/tools/testing/kunit/test_data/ |
| D | test_is_test_passed-no_tests_run_no_header.log | 2 soft - 0
3 hard - NONE
7 Adding 24743936 bytes to physical memory to account for exec-shield gap
8 Linux version 4.12.0-rc3-00010-g7319eb35f493-dirty (brendanhiggins@mactruck.svl.corp.google.com) (g…
11 PID hash table entries: 256 (order: -1, 2048 bytes)
12 Dentry cache hash table entries: 8192 (order: 4, 65536 bytes)
13 Inode-cache hash table entries: 4096 (order: 3, 32768 bytes)
14 …(1681K kernel code, 480K rwdata, 400K rodata, 89K init, 205K bss, 29064K reserved, 0K cma-reserved)
15 SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=1, Nodes=1
20 Mount-cache hash table entries: 512 (order: 0, 4096 bytes)
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