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/openbmc/linux/drivers/acpi/acpica/
H A Dacpredef.h1 /* SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 */
4 * Name: acpredef - Information table for ACPI predefined methods and objects
6 * Copyright (C) 2000 - 2023, Intel Corp.
19 * ACPI_PTYPE1_FIXED: Fixed-length length, 1 or 2 object types:
25 * ACPI_PTYPE1_VAR: Variable-length length. Zero-length package is allowed:
32 * 2) PTYPE2 packages contain a Variable-length number of subpackages. Each
35 * ACPI_PTYPE2: Each subpackage contains 1 or 2 object types. Zero-length
44 * Zero-length parent package is allowed:
55 * ACPI_PTYPE2_FIXED: Each subpackage is of Fixed-length. Zero-length
59 * ACPI_PTYPE2_MIN: Each subpackage has a Variable-length but minimum length.
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/openbmc/linux/Documentation/devicetree/bindings/net/
H A Dsamsung-sxgbe.txt4 - compatible: Should be "samsung,sxgbe-v2.0a"
5 - reg: Address and length of the register set for the device
6 - interrupts: Should contain the SXGBE interrupts
7 These interrupts are ordered by fixed and follows variable
9 index 0 - this is fixed common interrupt of SXGBE and it is always
11 index 1 to 25 - 8 variable transmit interrupts, variable 16 receive interrupts
13 - phy-mode: String, operation mode of the PHY interface.
15 - samsung,pbl: Integer, Programmable Burst Length.
17 - samsung,burst-map: Integer, Program the possible bursts supported by sxgbe
18 This is an integer and represents allowable DMA bursts when fixed burst.
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H A Dfsl-tsec-phy.txt5 the definition of the PHY node in booting-without-of.txt for an example
9 - reg : Offset and length of the register set for the device, and optionally
10 the offset and length of the TBIPA register (TBI PHY address
14 - compatible : Should define the compatible device type for the
16 - "fsl,gianfar-tbi"
17 - "fsl,gianfar-mdio"
18 - "fsl,etsec2-tbi"
19 - "fsl,etsec2-mdio"
20 - "fsl,ucc-mdio"
21 - "fsl,fman-mdio"
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/openbmc/linux/sound/usb/line6/
H A Dmidibuf.c1 // SPDX-License-Identifier: GPL-2.0-only
5 * Copyright (C) 2004-2010 Markus Grabner (grabner@icg.tugraz.at)
18 message_length = -1; in midibuf_message_length()
20 static const int length[] = { 3, 3, 3, 3, 2, 2, 3 }; in midibuf_message_length() local
22 message_length = length[(code >> 4) - 8]; in midibuf_message_length()
24 static const int length[] = { -1, 2, 2, 2, -1, -1, 1, 1, 1, -1, in midibuf_message_length() local
25 1, 1, 1, -1, 1, 1 in midibuf_message_length()
27 message_length = length[code & 0x0f]; in midibuf_message_length()
35 return (this->pos_read == this->pos_write) && !this->full; in midibuf_is_empty()
40 return this->full; in midibuf_is_full()
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/openbmc/linux/tools/testing/selftests/bpf/prog_tests/
H A Dverifier_log.c1 // SPDX-License-Identifier: GPL-2.0
61 bpf_object__for_each_program(prog, skel->obj) { in verif_log_subtest()
74 insns = bpf_program__insns(skel->progs.good_prog); in verif_log_subtest()
75 insn_cnt = bpf_program__insn_cnt(skel->progs.good_prog); in verif_log_subtest()
85 memset(logs.reference + fixed_log_sz, 0, sizeof(logs.reference) - fixed_log_sz); in verif_log_subtest()
88 * we get -ENOSPC and beginning of the full verifier log. This only in verif_log_subtest()
93 * But if provided too short log buf, kernel will NULL-out log->ubuf in verif_log_subtest()
96 * Long story short, we do the following -ENOSPC test only for in verif_log_subtest()
101 opts.log_level = log_level | 8; /* fixed-length log */ in verif_log_subtest()
106 if (!ASSERT_EQ(prog_fd, -ENOSPC, "unexpected_log_fixed_prog_load_result")) { in verif_log_subtest()
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/openbmc/linux/arch/powerpc/include/asm/
H A Dsmu.h1 /* SPDX-License-Identifier: GPL-2.0 */
25 * These commands are used to retrieve the sdb-partition-XX datas from
26 * the SMU. The length is always 2. First byte is the subcommand code
31 * - 0..1 : partition address
32 * - 2 : a byte containing the partition ID
33 * - 3 : length (maybe other bits are rest of header ?)
53 * ---------------------
66 * ------------------------
115 * 0: bus number (from device-tree usually, SMU has lots of busses !)
119 * 3: subaddress length (0..3)
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/openbmc/linux/drivers/staging/rtl8723bs/include/
H A Dwlan_bssdef.h1 /* SPDX-License-Identifier: GPL-2.0 */
4 * Copyright(c) 2007 - 2011 Realtek Corporation. All rights reserved.
40 u32 length; /* Length of structure */ member
62 u8 length; member
66 /* Length is the 4 bytes multiples of the sum of
72 * Except for ie_length, all other fields are fixed length. Therefore, we can
113 u32 length; /* Length of this structure */ member
114 u32 key_index; /* 0 is the per-client key, 1-N are the global keys */
115 u32 key_length; /* length of key in bytes */
116 u8 key_material[16];/* variable length depending on above field */
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/openbmc/openbmc-tools/dbus-pcap/
H A Ddbus-pcap3 # SPDX-License-Identifier: Apache-2.0
18 "FixedHeader", "endian, type, flags, version, length, cookie"
20 CookedHeader = namedtuple("CookedHeader", "fixed, fields")
93 FIXED = { variable in DBusTypeCategory
150 if sig in DBusTypeCategory.FIXED.value:
189 prop.nature - (self.offset & (prop.nature - 1))
200 assert tc.type.value in DBusTypeCategory.FIXED.value
210 if self.offset - self.stash[1] != len(self.stash[0]):
212 "(self.offset - self.stash[1]): %d, len(self.stash[0]): %d"
213 % (self.offset - self.stash[1], len(self.stash[0])),
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/openbmc/libpldm/include/libpldm/
H A Dfirmware_update.h1 /* SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later */
22 /** @brief Length of QueryDownstreamDevices response defined in DSP0267_1.1.0
23 * Table 15 - QueryDownstreamDevices command format.
33 /** @brief Length of QueryDownstreamIdentifiers request defined in DSP0267_1.1.0
34 * Table 16 - QueryDownstreamIdentifiers command format.
41 /** @brief Minimum length of QueryDownstreamIdentifiers response from DSP0267_1.1.0
47 * 4 bytes for downstream devices length
52 /** @brief Minimum length of device descriptor, 2 bytes for descriptor type,
53 * 2 bytes for descriptor length and at least 1 byte of descriptor data
57 /** @brief Length of GetDownstreamFirmwareParameters request defined in DSP0267_1.1.0
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/openbmc/linux/drivers/staging/wlan-ng/
H A Dp80211mgmt.h1 /* SPDX-License-Identifier: (GPL-2.0 OR MPL-1.1) */
7 * --------------------------------------------------------------------
9 * linux-wlan
11 * --------------------------------------------------------------------
13 * Inquiries regarding the linux-wlan Open Source project can be
17 * info@linux-wlan.com
18 * http://www.linux-wlan.com
20 * --------------------------------------------------------------------
25 * --------------------------------------------------------------------
31 * - Constant values are always in HOST byte order. To assign
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/openbmc/linux/tools/testing/selftests/mm/
H A Dhugepage-mmap.c1 // SPDX-License-Identifier: GPL-2.0
3 * hugepage-mmap:
8 * like /mnt) using the command mount -t hugetlbfs nodev /mnt. In this
13 * huge pages. That means that if one requires a fixed address, a huge page
14 * aligned address starting with 0x800000... will be required. If a fixed
26 #define LENGTH (256UL*1024*1024) macro
47 for (i = 0; i < LENGTH; i++) in write_bytes()
56 for (i = 0; i < LENGTH; i++) in read_bytes()
69 fd = memfd_create("hugepage-mmap", MFD_HUGETLB); in main()
75 addr = mmap(ADDR, LENGTH, PROTECTION, FLAGS, fd, 0); in main()
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H A Dhugepage-shm.c1 // SPDX-License-Identifier: GPL-2.0
3 * hugepage-shm:
12 * huge pages. That means that if one requires a fixed address, a huge page
13 * aligned address starting with 0x800000... will be required. If a fixed
38 #define LENGTH (256UL*1024*1024) macro
57 shmid = shmget(2, LENGTH, SHM_HUGETLB | IPC_CREAT | SHM_R | SHM_W); in main()
65 if (shmaddr == (char *)-1) { in main()
73 for (i = 0; i < LENGTH; i++) { in main()
81 for (i = 0; i < LENGTH; i++) in main()
/openbmc/linux/drivers/misc/mei/
H A Dclient.h1 /* SPDX-License-Identifier: GPL-2.0 */
3 * Copyright (c) 2003-2018, Intel Corporation. All rights reserved.
37 * mei_me_cl_is_active - check whether me client is active in the fw
45 return !list_empty_careful(&me_cl->list); in mei_me_cl_is_active()
49 * mei_me_cl_uuid - return me client protocol name (uuid)
57 return &me_cl->props.protocol_name; in mei_me_cl_uuid()
61 * mei_me_cl_ver - return me client protocol version
69 return me_cl->props.protocol_version; in mei_me_cl_ver()
73 * mei_me_cl_max_conn - return me client max number of connections
81 return me_cl->props.max_number_of_connections; in mei_me_cl_max_conn()
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/openbmc/linux/include/net/
H A Dnsh.h10 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
11 * |Ver|O|U| TTL | Length |U|U|U|U|MD Type| Next Protocol |
12 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
14 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
18 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
27 * discussion of MPLS-related forwarding requirements.
32 * example [I-D.ietf-sfc-oam-framework] for one approach).
34 * The O bit MUST be set for OAM packets and MUST NOT be set for non-OAM
65 * Length: The total length, in 4-byte words, of NSH including the Base
66 * Header, the Service Path Header, the Fixed Length Context Header or
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/openbmc/qemu/qapi/
H A Daudio.json1 # -*- mode: python -*-
4 # Copyright (C) 2015-2019 Zoltán Kővágó <DirtY.iCE.hu@gmail.com>
7 # See the COPYING file in the top-level directory.
19 # @mixing-engine: use QEMU's mixing engine to mix all streams inside
21 # backend. When set to off, fixed-settings must be also off
24 # @fixed-settings: use fixed settings for host input/output. When
28 # @frequency: frequency to use when using fixed settings (default
31 # @channels: number of channels when using fixed settings (default 2)
35 # @format: sample format to use when using fixed settings (default
38 # @buffer-length: the buffer length in microseconds
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/openbmc/linux/drivers/staging/rtl8712/
H A Dwlan_bssdef.h1 /* SPDX-License-Identifier: GPL-2.0 */
4 * Copyright(c) 2007 - 2010 Realtek Corporation. All rights reserved.
37 u32 Length; /* Length of structure */ member
39 u32 HopSet; /* to one if non-802.11 */
48 u32 Length; /* Length of structure */ member
70 u32 Length; member
132 u32 Length; member
145 u32 Length; /* Length of this structure */ member
147 u32 KeyLength; /* length of key in bytes */
150 u8 KeyMaterial[32]; /* variable length */
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/openbmc/linux/include/linux/can/
H A Dlength.h1 /* SPDX-License-Identifier: GPL-2.0 */
3 * Copyright (C) 2020 Marc Kleine-Budde <kernel@pengutronix.de>
19 * ---------------------------------------------------------
27 * Data Length Code (DLC) 4
37 * ---------------------------------------------------------
48 * Data length code (DLC) 4
55 * Size of a CAN-FD Standard Frame in bits
58 * ---------------------------------------------------------
69 * Data length code (DLC) 4
76 * Size of a CAN-FD Extended Frame in bits
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/openbmc/u-boot/drivers/net/
H A Daltera_tse.c19 #include <asm/dma-mapping.h>
41 next->descriptor_control = next->descriptor_control & in alt_sgdma_construct_descriptor()
45 desc->source = virt_to_phys(read_addr); in alt_sgdma_construct_descriptor()
46 desc->destination = virt_to_phys(write_addr); in alt_sgdma_construct_descriptor()
47 desc->next = virt_to_phys(next); in alt_sgdma_construct_descriptor()
48 desc->bytes_to_transfer = length_or_eop; in alt_sgdma_construct_descriptor()
52 * - Set "owned by hardware" bit in alt_sgdma_construct_descriptor()
53 * - Optionally set "generate EOP" bit in alt_sgdma_construct_descriptor()
54 * - Optionally set the "read from fixed address" bit in alt_sgdma_construct_descriptor()
55 * - Optionally set the "write to fixed address bit (which serves in alt_sgdma_construct_descriptor()
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/openbmc/linux/Documentation/devicetree/bindings/nvmem/layouts/
H A Dfixed-cell.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/nvmem/layouts/fixed-cell.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Fixed offset & size NVMEM cell
10 - Rafał Miłecki <rafal@milecki.pl>
11 - Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
16 - const: mac-base
20 It can be stored in a plain binary format (cell length 6) or as an
21 ASCII text like "00:11:22:33:44:55" (cell length 17).
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/openbmc/linux/fs/smb/server/
H A Dsmb2misc.c1 // SPDX-License-Identifier: GPL-2.0-or-later
19 if (hdr->Flags & SMB2_FLAGS_SERVER_TO_REDIR) in check_smb2_hdr()
55 * The size of the variable area depends on the offset and length fields
57 * with no variable length info, show an offset of zero for the offset field.
82 * Set length of the data area and the offset to arguments.
95 * of the data buffer offset and data buffer length for the particular in smb2_get_data_area_len()
98 switch (hdr->Command) { in smb2_get_data_area_len()
100 *off = le16_to_cpu(((struct smb2_sess_setup_req *)hdr)->SecurityBufferOffset); in smb2_get_data_area_len()
101 *len = le16_to_cpu(((struct smb2_sess_setup_req *)hdr)->SecurityBufferLength); in smb2_get_data_area_len()
105 le16_to_cpu(((struct smb2_tree_connect_req *)hdr)->PathOffset), in smb2_get_data_area_len()
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/openbmc/linux/Documentation/networking/
H A Dradiotap-headers.rst1 .. SPDX-License-Identifier: GPL-2.0
8 ------------------------------------
10 Radiotap headers are variable-length and extensible, you can get most of the
19 -----------------------
21 There is a fixed portion at the start which contains a u32 bitmap that defines
29 < 8-byte ieee80211_radiotap_header >
44 --------------------------
46 After the fixed part of the header, the arguments follow for each argument
50 - the arguments are all stored little-endian!
52 - the argument payload for a given argument index has a fixed size. So
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/openbmc/linux/Documentation/fb/
H A Dapi.rst9 ---------------
12 with frame buffer devices. In-kernel APIs between device drivers and the frame
22 ---------------
24 Device and driver capabilities are reported in the fixed screen information
36 - FB_CAP_FOURCC
44 --------------------
46 Pixels are stored in memory in hardware-dependent formats. Applications need
58 - FB_TYPE_PACKED_PIXELS
64 Padding at end of lines may be present and is then reported through the fixed
67 - FB_TYPE_PLANES
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/openbmc/linux/Documentation/devicetree/bindings/clock/
H A Dnuvoton,npcm750-clk.txt8 There are six fixed clocks that are generated outside the BMC. All clocks are of
9 a known fixed value that cannot be changed. clk_refclk, clk_mcbypck and
17 dt-bindings/clock/nuvoton,npcm7xx-clock.h
22 - compatible: "nuvoton,npcm750-clk" : for clock controller of Nuvoton
25 - reg: physical base address of the clock controller and length of
28 - #clock-cells: should be 1.
32 clk: clock-controller@f0801000 {
33 compatible = "nuvoton,npcm750-clk";
34 #clock-cells = <1>;
36 clock-names = "refclk", "sysbypck", "mcbypck";
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/openbmc/linux/rust/kernel/
H A Dprint.rs1 // SPDX-License-Identifier: GPL-2.0
7 //! Reference: <https://www.kernel.org/doc/html/latest/core-api/printk-basics.html>
25 ) -> *mut c_char { in rust_fmt_argument()
40 /// The length we copy from the `KERN_*` kernel prefixes.
43 /// The length of the fixed format strings.
44 pub const LENGTH: usize = 10; constant
46 /// Generates a fixed format string for the kernel's [`_printk`].
52 const fn generate(is_cont: bool, prefix: &[u8; 3]) -> [u8; LENGTH] { in generate() argument
62 let suffix: &[u8; LENGTH - LENGTH_PREFIX] = if is_cont {
74 // Generate the format strings at compile-time.
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/openbmc/linux/arch/x86/include/uapi/asm/
H A Dsgx.h1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
3 * Copyright(c) 2016-20 Intel Corporation.
12 * enum sgx_page_flags - page control flags
40 * struct sgx_enclave_create - parameter structure for the
49 * struct sgx_enclave_add_pages - parameter structure for the
53 * @length: length of the data (multiple of the page size)
61 __u64 length; member
68 * struct sgx_enclave_init - parameter structure for the
77 * struct sgx_enclave_provision - parameter structure for the
86 * struct sgx_enclave_restrict_permissions - parameters for ioctl
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