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/linux/rust/helpers/
H A Dio.c1 // SPDX-License-Identifier: GPL-2.0
43 void rust_helper_writeb(u8 value, void __iomem *addr) in rust_helper_writeb() argument
45 writeb(value, addr); in rust_helper_writeb()
48 void rust_helper_writew(u16 value, void __iomem *addr) in rust_helper_writew() argument
50 writew(value, addr); in rust_helper_writew()
53 void rust_helper_writel(u32 value, void __iomem *addr) in rust_helper_writel() argument
55 writel(value, addr); in rust_helper_writel()
59 void rust_helper_writeq(u64 value, void __iomem *addr) in rust_helper_writeq() argument
61 writeq(value, addr); in rust_helper_writeq()
87 void rust_helper_writeb_relaxed(u8 value, void __iomem *addr) in rust_helper_writeb_relaxed() argument
[all …]
/linux/arch/csky/mm/
H A Dcachev1.c1 // SPDX-License-Identifier: GPL-2.0
2 // Copyright (C) 2018 Hangzhou C-SKY Microsystems co.,ltd.
8 /* for L1-cache */
17 /* for L2-cache */
32 static void cache_op_all(unsigned int value, unsigned int l2) in cache_op_all() argument
34 mtcr("cr17", value | CACHE_CLR); in cache_op_all()
38 mtcr("cr24", value | CACHE_CLR); in cache_op_all()
44 unsigned int start, in cache_op_range() argument
46 unsigned int value, in cache_op_range() argument
50 unsigned int val = value | CACHE_CLR | CACHE_OMS; in cache_op_range()
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/linux/tools/testing/selftests/riscv/hwprobe/
H A Dwhich-cpus.c1 // SPDX-License-Identifier: GPL-2.0-only
22 "which-cpus: [-h] [<key=value> [<key=value> ...]]\n\n" in help()
25 " <key=value>, outputs the cpulist for cpus which all match the given set\n" in help()
26 " of pairs. 'key' and 'value' should be in numeric form, e.g. 4=0x3b\n"); in help()
31 int start = 0, end = 0; in print_cpulist() local
40 if (start != end && !CPU_ISSET(c, cpus)) in print_cpulist()
41 printf("-%d", end); in print_cpulist()
52 start = end = c; in print_cpulist()
54 if (start != end) in print_cpulist()
55 printf("-%d", end); in print_cpulist()
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/linux/tools/testing/fault-injection/
H A Dfailcmd.sh2 # SPDX-License-Identifier: GPL-2.0
5 # failcmd.sh - run a command with injecting slab/page allocation failures
8 # failcmd.sh --help
24 -p percent
25 --probability=percent
27 Default value is 1
29 -t value
30 --times=value
32 Default value is 1
34 --oom-kill-allocating-task=value
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/linux/tools/lib/
H A Dstring.c1 // SPDX-License-Identifier: GPL-2.0
24 * memdup - duplicate region of memory
40 * strtobool - convert common user inputs into boolean values
45 * [oO][NnFf] for "on" and "off". Otherwise it will return -EINVAL. Value
51 return -EINVAL; in strtobool()
82 return -EINVAL; in strtobool()
86 * strlcpy - Copy a C-string into a sized buffer
92 * NUL-terminated string that fits in the buffer (unless,
101 #pragma clang diagnostic ignored "-Wignored-attributes"
108 size_t len = (ret >= size) ? size - 1 : ret; in strlcpy()
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/linux/include/linux/
H A Dminmax.h1 /* SPDX-License-Identifier: GPL-2.0 */
13 * - Avoid multiple evaluations of the arguments (so side-effects like
14 * "x++" happen only once) when non-constant.
15 * - Perform signed v unsigned type-checking (to generate compile
17 * - Unsigned char/short are always promoted to signed int and can be
19 * - Unsigned arguments can be compared against non-negative signed constants.
20 * - Comparison of a signed argument against an unsigned constant fails
31 * In particular, statically non-negative signed integer expressions
39 * that contains the value.
42 * value (but without evaluating it for side effects!
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H A Doverflow.h1 /* SPDX-License-Identifier: GPL-2.0 OR MIT */
14 * #define type_min(T) (T)(is_signed_type(T) ? (T)1 << (8*sizeof(T)-1) : 0)
15 * #define type_max(T) (T)(is_signed_type(T) ? ((T)1 << (8*sizeof(T)-1)) - 1 : ~(T)0)
19 * the type_max expression (but not if -fsanitize=undefined is in
25 * a-feature-not-a-bug, since people shouldn't be doing arithmetic on
30 * https://mail-index.netbsd.org/tech-misc/2007/02/05/0000.html -
33 #define __type_half_max(type) ((type)1 << (8*sizeof(type) - 1 - is_signed_type(type)))
34 #define __type_max(T) ((T)((__type_half_max(T) - 1) + __type_half_max(T)))
36 #define __type_min(T) ((T)((T)-type_max(T)-(T)1))
40 * Avoids triggering -Wtype-limits compilation warning,
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/linux/drivers/nvmem/
H A Dstm32-bsec-optee-ta.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * OP-TEE STM32MP BSEC PTA interface, used by STM32 ROMEM driver
5 * Copyright (C) 2022, STMicroelectronics - All Rights Reserved
10 #include "stm32-bsec-optee-ta.h"
15 * [in] value[0].a OTP start offset in byte
16 * [in] value[0].b Access type (0:shadow, 1:fuse, 2:lock)
21 * TEE_SUCCESS - Invoke command success
22 * TEE_ERROR_BAD_PARAMETERS - Incorrect input param
23 * TEE_ERROR_ACCESS_DENIED - OTP not accessible by caller
30 * [in] value[0].a OTP start offset in byte
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/linux/drivers/net/ethernet/rocker/
H A Drocker_tlv.h1 /* SPDX-License-Identifier: GPL-2.0-or-later */
3 * drivers/net/ethernet/rocker/rocker_tlv.h - Rocker switch device driver
4 * Copyright (c) 2014-2016 Jiri Pirko <jiri@mellanox.com>
18 (((len) + ROCKER_TLV_ALIGNTO - 1) & ~(ROCKER_TLV_ALIGNTO - 1))
21 /* <------- ROCKER_TLV_HDRLEN -------> <--- ROCKER_TLV_ALIGN(payload) --->
22 * +-----------------------------+- - -+- - - - - - - - - - - - - - -+- - -+
25 * +-----------------------------+- - -+- - - - - - - - - - - - - - -+- - -+
26 * <--------------------------- tlv->len -------------------------->
32 int totlen = ROCKER_TLV_ALIGN(tlv->len); in rocker_tlv_next()
34 *remaining -= totlen; in rocker_tlv_next()
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/linux/fs/xfs/libxfs/
H A Dxfs_rtbitmap.c1 // SPDX-License-Identifier: GPL-2.0
3 * Copyright (c) 2000-2005 Silicon Graphics, Inc.
37 struct xfs_mount *mp = bp->b_mount; in xfs_rtbuf_verify()
38 struct xfs_rtbuf_blkinfo *hdr = bp->b_addr; in xfs_rtbuf_verify()
40 if (!xfs_verify_magic(bp, hdr->rt_magic)) in xfs_rtbuf_verify()
46 if (!uuid_equal(&hdr->rt_uuid, &mp->m_sb.sb_meta_uuid)) in xfs_rtbuf_verify()
48 if (hdr->rt_blkno != cpu_to_be64(xfs_buf_daddr(bp))) in xfs_rtbuf_verify()
57 struct xfs_mount *mp = bp->b_mount; in xfs_rtbuf_verify_read()
58 struct xfs_rtbuf_blkinfo *hdr = bp->b_addr; in xfs_rtbuf_verify_read()
64 if (!xfs_log_check_lsn(mp, be64_to_cpu(hdr->rt_lsn))) { in xfs_rtbuf_verify_read()
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/linux/fs/xfs/scrub/
H A Dbitmap.h1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * Copyright (C) 2018-2023 Oracle. All Rights Reserved.
18 int xbitmap64_clear(struct xbitmap64 *bitmap, uint64_t start, uint64_t len);
19 int xbitmap64_set(struct xbitmap64 *bitmap, uint64_t start, uint64_t len);
25 * and non-zero to stop iterating. Any non-zero value will be passed up to the
26 * iteration caller. The special value -ECANCELED can be used to stop
30 typedef int (*xbitmap64_walk_fn)(uint64_t start, uint64_t len, void *priv);
35 bool xbitmap64_test(struct xbitmap64 *bitmap, uint64_t start, uint64_t *len);
46 int xbitmap32_clear(struct xbitmap32 *bitmap, uint32_t start, uint32_t len);
47 int xbitmap32_set(struct xbitmap32 *bitmap, uint32_t start, uint32_t len);
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/linux/drivers/net/ipa/
H A Dipa_qmi_msg.h1 /* SPDX-License-Identifier: GPL-2.0 */
4 * Copyright (C) 2018-2024 Linaro Ltd.
18 #define IPA_QMI_INDICATION_REGISTER 0x20 /* modem -> AP request */
19 #define IPA_QMI_INIT_DRIVER 0x21 /* AP -> modem request */
20 #define IPA_QMI_INIT_COMPLETE 0x22 /* AP -> modem indication */
21 #define IPA_QMI_DRIVER_INIT_COMPLETE 0x35 /* modem -> AP request */
28 #define IPA_QMI_INDICATION_REGISTER_REQ_SZ 20 /* -> server handle */
29 #define IPA_QMI_INDICATION_REGISTER_RSP_SZ 7 /* <- server handle */
30 #define IPA_QMI_INIT_DRIVER_REQ_SZ 162 /* client handle -> */
31 #define IPA_QMI_INIT_DRIVER_RSP_SZ 25 /* client handle <- */
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/linux/Documentation/filesystems/
H A Dseq_file.rst1 .. SPDX-License-Identifier: GPL-2.0
10 https://lwn.net/Articles/driver-porting/
16 Virtual files can provide human-readable output that is easy to get at
23 string. But life gets trickier if the output is long - anything greater
26 position within the virtual file - that position is, likely as not, in the
68 - entry = create_proc_entry("sequence", 0, NULL);
69 - if (entry)
70 - entry->proc_fops = &ct_file_ops;
79 is able to move to a specific position - like the file they implement,
81 in whatever way is convenient - the iterator need only exist
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/linux/drivers/net/ethernet/meta/fbnic/
H A Dfbnic_tlv.c1 // SPDX-License-Identifier: GPL-2.0
14 * fbnic_tlv_msg_alloc - Allocate page and initialize FW message header
17 * Return: pointer to start of message, or NULL on failure.
19 * Allocates a page and initializes message header at start of page.
31 /* Start with zero filled header and then back fill with data */ in fbnic_tlv_msg_alloc()
36 /* Copy header into start of message */ in fbnic_tlv_msg_alloc()
37 msg->hdr = hdr; in fbnic_tlv_msg_alloc()
43 * fbnic_tlv_attr_put_flag - Add flag value to message
47 * Return: -ENOSPC if there is no room for the attribute. Otherwise 0.
50 * attribute can be used as a boolean value indicating true, otherwise the
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/linux/arch/sh/boards/
H A Dboard-sh7785lcr.c1 // SPDX-License-Identifier: GPL-2.0
11 #include <linux/sm501-regs.h>
17 #include <linux/platform_data/i2c-pca-platform.h>
18 #include <linux/i2c-algo-pca.h>
34 * Please look at include/asm-sh/sh7785lcr.h or hardware manual.
37 .start = PLD_LEDCR,
44 .id = -1,
80 .start = NOR_FLASH_ADDR,
81 .end = NOR_FLASH_ADDR + NOR_FLASH_SIZE - 1,
87 .name = "physmap-flash",
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/linux/drivers/net/ethernet/mellanox/mlx5/core/steering/sws/
H A Ddr_ste_v1.c1 // SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB
10 .hw_field = DR_STE_V1_ACTION_MDFY_FLD_SRC_L2_OUT_0, .start = 0, .end = 31,
13 .hw_field = DR_STE_V1_ACTION_MDFY_FLD_SRC_L2_OUT_1, .start = 16, .end = 31,
16 .hw_field = DR_STE_V1_ACTION_MDFY_FLD_L2_OUT_1, .start = 0, .end = 15,
19 .hw_field = DR_STE_V1_ACTION_MDFY_FLD_L2_OUT_0, .start = 0, .end = 31,
22 .hw_field = DR_STE_V1_ACTION_MDFY_FLD_L2_OUT_1, .start = 16, .end = 31,
25 .hw_field = DR_STE_V1_ACTION_MDFY_FLD_L3_OUT_0, .start = 18, .end = 23,
28 .hw_field = DR_STE_V1_ACTION_MDFY_FLD_L4_OUT_1, .start = 16, .end = 24,
32 .hw_field = DR_STE_V1_ACTION_MDFY_FLD_L4_OUT_0, .start = 16, .end = 31,
36 .hw_field = DR_STE_V1_ACTION_MDFY_FLD_L4_OUT_0, .start = 0, .end = 15,
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/linux/sound/hda/core/
H A Dstream.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * HD-audio stream operations
26 * +--+-------+
28 * +--+----+--+
32 * +--+----+--+
34 * +--+----+--+
39 * +--+----+--+
41 * +--+----+--+
45 * +--+----+--+
47 * +----------+
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/linux/lib/zstd/common/
H A Dbitstream.h1 /* SPDX-License-Identifier: GPL-2.0+ OR BSD-3-Clause */
8 * - Source repository : https://github.com/Cyan4973/FiniteStateEntropy
10 * This source code is licensed under both the BSD-style license (found in the
13 * You may select, at your option, one of the above-listed licenses.
20 * Since link-time-optimization is not available for all compilers,
24 /*-****************************************
42 /*-******************************************
59 MEM_STATIC void BIT_addBits(BIT_CStream_t* bitC, BitContainerType value, unsigned nbBits);
63 /* Start with initCStream, providing the size of buffer to write into.
65 * `dstCapacity` must be >= sizeof(bitD->bitContainer), otherwise @return will be an error code.
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/linux/drivers/char/tpm/
H A Dtpm_crb.c1 // SPDX-License-Identifier: GPL-2.0-only
8 * Maintained by: <tpmdd-devel@lists.sourceforge.net>
20 #include <linux/arm-smccc.h>
116 /* CRB over FFA start method parameters in TCG2 ACPI table */
130 * Returns true if the start method supports idle.
139 static bool crb_wait_for_reg_32(u32 __iomem *reg, u32 mask, u32 value, in crb_wait_for_reg_32() argument
142 ktime_t start; in crb_wait_for_reg_32() local
145 start = ktime_get(); in crb_wait_for_reg_32()
146 stop = ktime_add(start, ms_to_ktime(timeout)); in crb_wait_for_reg_32()
149 if ((ioread32(reg) & mask) == value) in crb_wait_for_reg_32()
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/linux/Documentation/userspace-api/media/v4l/
H A Dfunc-mmap.rst1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
4 .. _func-mmap:
13 v4l2-mmap - Map device memory into application address space
18 .. code-block:: c
23 .. c:function:: void *mmap( void *start, size_t length, int prot, int flags, int fd, off_t offset )
28 ``start``
30 When the ``MAP_FIXED`` flag is specified, ``start`` must be a
36 Length of the memory area to map. This must be the same value as
39 single-planar API, and the same value as returned by the driver in
41 the multi-planar API.
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/linux/drivers/s390/char/
H A Dsclp_mem.c1 // SPDX-License-Identifier: GPL-2.0
24 #include <asm/page-states.h>
79 return (unsigned long)(rn - 1) * sclp.rzm; in rn2addr()
89 return -ENOMEM; in do_assign_storage()
90 sccb->header.length = PAGE_SIZE; in do_assign_storage()
91 sccb->rn = rn; in do_assign_storage()
95 switch (sccb->header.response_code) { in do_assign_storage()
101 cmd, sccb->header.response_code, rn); in do_assign_storage()
102 rc = -EIO; in do_assign_storage()
112 unsigned long start; in sclp_assign_storage() local
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/linux/drivers/accessibility/speakup/
H A Dvarhandlers.c1 // SPDX-License-Identifier: GPL-2.0
63 { -1, -1 },
68 int value = 0; in spk_chartab_get_value() local
71 value = ALPHA; in spk_chartab_get_value()
73 value = B_CTL; in spk_chartab_get_value()
75 value = WDLM; in spk_chartab_get_value()
77 value = A_PUNC; in spk_chartab_get_value()
79 value = PUNC; in spk_chartab_get_value()
81 value = NUM; in spk_chartab_get_value()
83 value = A_CAP; in spk_chartab_get_value()
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/linux/drivers/net/ethernet/netronome/nfp/bpf/
H A Dmain.c1 // SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2 /* Copyright (C) 2017-2018 Netronome Systems, Inc. */
27 struct nfp_app_bpf *bpf = nn->app->priv; in nfp_net_ebpf_capable()
29 return nn->cap & NFP_NET_CFG_CTRL_BPF && in nfp_net_ebpf_capable()
30 bpf->abi_version && in nfp_net_ebpf_capable()
31 nn_readb(nn, NFP_NET_CFG_BPF_ABI) == bpf->abi_version; in nfp_net_ebpf_capable()
44 return -EINVAL; in nfp_bpf_xdp_offload()
46 running = nn->dp.ctrl & NFP_NET_CFG_CTRL_BPF; in nfp_bpf_xdp_offload()
47 xdp_running = running && nn->xdp_hw.prog; in nfp_bpf_xdp_offload()
52 return -EBUSY; in nfp_bpf_xdp_offload()
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/linux/drivers/net/wireless/intel/iwlwifi/fw/api/
H A Dtime-event.h1 /* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
3 * Copyright (C) 2012-2014, 2018-2020, 2022-2025 Intel Corporation
4 * Copyright (C) 2013-2015 Intel Mobile Communications GmbH
5 * Copyright (C) 2016-2017 Intel Deutschland GmbH
10 #include "fw/api/phy-ctxt.h"
45 /* Time event - defines for command API v1 */
56 * Other than the constant defined above, specifying a fragmentation value 'x'
71 /* If a Time Event has bounded repetitions, this is the maximal value */
84 * @TE_V1_NOTIF_HOST_EVENT_START: request/receive notification on event start
88 * @TE_V1_NOTIF_HOST_FRAG_START: request/receive notification on frag start
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/linux/lib/
H A Dlogic_iomem.c1 // SPDX-License-Identifier: GPL-2.0
25 #define AREA_BITS ((MAX_AREAS - 1) << AREA_SHIFT)
26 #define AREA_MASK (MAX_AREA_SIZE - 1)
46 return -EINVAL; in logic_iomem_add_region()
48 if (WARN_ON((resource->flags & IORESOURCE_TYPE_BITS) != IORESOURCE_MEM)) in logic_iomem_add_region()
49 return -EINVAL; in logic_iomem_add_region()
53 return -ENOMEM; in logic_iomem_add_region()
58 return -ENOMEM; in logic_iomem_add_region()
62 rreg->res = resource; in logic_iomem_add_region()
63 rreg->ops = ops; in logic_iomem_add_region()
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