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/openbmc/linux/Documentation/devicetree/bindings/display/
H A Dsimple-framebuffer.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/display/simple-framebuffer.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Hans de Goede <hdegoede@redhat.com>
13 A simple frame-buffer describes a frame-buffer setup by firmware or
19 sub-nodes of the chosen node (*). Simplefb nodes must be named
41 interaction, then the chosen node stdout-path property should point
46 It is advised that devicetree files contain pre-filled, disabled
52 If pre-filled framebuffer nodes are used, the firmware may need
[all …]
/openbmc/linux/Documentation/networking/
H A Dtls-handshake.rst1 .. SPDX-License-Identifier: GPL-2.0
4 In-Kernel TLS Handshake
11 over TCP. TLS provides end-to-end data integrity and confidentiality in
21 implementations so that in-kernel TLS consumers do not need to be
46 A kernel TLS consumer initiates a client-side TLS handshake on an open
50 .. code-block:: c
68 instantiated a struct file in sock->file.
75 The consumer can provide a NUL-terminated hostname in the @ta_peername
85 keys, and pre-shared keys are provided to the handshake agent in keys
91 To request an x.509-authenticated TLS session, the consumer fills in
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/openbmc/linux/drivers/net/ethernet/cavium/liquidio/
H A Docteon_nic.h7 * Copyright (c) 2003-2016 Cavium, Inc.
14 * AS-IS and WITHOUT ANY WARRANTY; without even the implied warranty
28 /* Maximum number of 8-byte words can be sent in a NIC control message.
64 #define MAX_UDD_SIZE(nctrl) (sizeof((nctrl)->udd))
71 * OSI layer passes this as-is to the driver.
114 return ((u32)atomic_read(&oct->instr_queue[q_no]->instr_pending) in octnet_iq_is_full()
115 >= (oct->instr_queue[q_no]->max_count - 2)); in octnet_iq_is_full()
130 ih2 = (struct octeon_instr_ih2 *)&cmd->cmd2.ih2; in octnet_prepare_pci_cmd_o2()
135 ih2->fsz = LIO_PCICMD_O2; in octnet_prepare_pci_cmd_o2()
137 ih2->tagtype = ORDERED_TAG; in octnet_prepare_pci_cmd_o2()
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/openbmc/u-boot/arch/arm/dts/
H A Dsocfpga_arria10.dtsi17 #include <dt-bindings/interrupt-controller/arm-gic.h>
18 #include <dt-bindings/reset/altr,rst-mgr-a10.h>
21 #address-cells = <1>;
22 #size-cells = <1>;
25 tick-timer = &timer2;
26 u-boot,dm-pre-reloc;
30 #address-cells = <1>;
31 #size-cells = <0>;
32 enable-method = "altr,socfpga-a10-smp";
35 compatible = "arm,cortex-a9";
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/openbmc/linux/Documentation/filesystems/
H A Dorangefs.rst1 .. SPDX-License-Identifier: GPL-2.0
7 OrangeFS is an LGPL userspace scale-out parallel storage system. It is ideal
51 On Fedora, install orangefs and orangefs-server::
53 dnf -y install orangefs orangefs-server
64 pvfs2-client-core.
68 pvfs2-server -f /etc/orangefs/orangefs.conf
72 systemctl start orangefs-server
76 pvfs2-ping -m /pvfsmnt
81 systemctl start orangefs-client
85 mount -t pvfs2 tcp://localhost:3334/orangefs /pvfsmnt
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/openbmc/linux/Documentation/input/
H A Dgameport-programming.rst34 Please also consider enabling the gameport on the card in the ->open()
35 callback if the io is mapped to ISA space - this way it'll occupy the io
37 ->close() callback. You also can select the io address in the ->open()
70 the driver doesn't have to measure them the old way - an ADC is built into
86 return -(mode != GAMEPORT_MODE_COOKED);
97 See analog.c and input.c for handling of fuzz - the fuzz value determines
105 examples 1+2 or 1+3. Gameports can support internal calibration - see below,
107 more than one gameport instance simultaneously, use the ->private member of
147 I/O address for use with raw mode. You have to either set this, or ->read()
191 pre-filled by cooked data by the caller, max[0..3] should be pre-filled with
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/openbmc/linux/include/net/nfc/
H A Dnfc.h1 /* SPDX-License-Identifier: GPL-2.0-or-later */
31 * data_exchange_cb_t - Definition of nfc_data_exchange callback
39 * of the operating field, err is -EIO.
77 #define NFC_TARGET_IDX_ANY -1
83 * struct nfc_target - NFC target descriptiom
111 * nfc_se - A structure for NFC accessible secure elements.
128 * nfc_evt_transaction - A struct for NFC secure element event transaction.
207 * nfc_free_device - free nfc device
213 put_device(&dev->dev); in nfc_free_device()
221 * nfc_set_parent_dev - set the parent device
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/openbmc/linux/drivers/leds/simple/
H A Dsimatic-ipc-leds-gpio-f7188x.c1 // SPDX-License-Identifier: GPL-2.0
16 #include <linux/platform_data/x86/simatic-ipc-base.h>
18 #include "simatic-ipc-leds-gpio.h"
21 .dev_id = "leds-gpio",
23 GPIO_LOOKUP_IDX("gpio-f7188x-2", 0, NULL, 0, GPIO_ACTIVE_LOW),
24 GPIO_LOOKUP_IDX("gpio-f7188x-2", 1, NULL, 1, GPIO_ACTIVE_LOW),
25 GPIO_LOOKUP_IDX("gpio-f7188x-2", 2, NULL, 2, GPIO_ACTIVE_LOW),
26 GPIO_LOOKUP_IDX("gpio-f7188x-2", 3, NULL, 3, GPIO_ACTIVE_LOW),
27 GPIO_LOOKUP_IDX("gpio-f7188x-2", 4, NULL, 4, GPIO_ACTIVE_LOW),
28 GPIO_LOOKUP_IDX("gpio-f7188x-2", 5, NULL, 5, GPIO_ACTIVE_LOW),
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H A Dsimatic-ipc-leds-gpio-apollolake.c1 // SPDX-License-Identifier: GPL-2.0
16 #include <linux/platform_data/x86/simatic-ipc-base.h>
18 #include "simatic-ipc-leds-gpio.h"
21 .dev_id = "leds-gpio",
23 GPIO_LOOKUP_IDX("apollolake-pinctrl.0", 52, NULL, 0, GPIO_ACTIVE_LOW),
24 GPIO_LOOKUP_IDX("apollolake-pinctrl.0", 53, NULL, 1, GPIO_ACTIVE_LOW),
25 GPIO_LOOKUP_IDX("apollolake-pinctrl.0", 57, NULL, 2, GPIO_ACTIVE_LOW),
26 GPIO_LOOKUP_IDX("apollolake-pinctrl.0", 58, NULL, 3, GPIO_ACTIVE_LOW),
27 GPIO_LOOKUP_IDX("apollolake-pinctrl.0", 60, NULL, 4, GPIO_ACTIVE_LOW),
28 GPIO_LOOKUP_IDX("apollolake-pinctrl.0", 51, NULL, 5, GPIO_ACTIVE_LOW),
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/openbmc/linux/include/uapi/linux/
H A Dfsmap.h1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
25 * number of entries filled out during each call. If fmh_count is
35 * contents of fsmap_head.fmh_recs[fsmap_head.fmh_count - 1] should be
44 * fmr_device can be either a 32-bit cookie representing a device, or
45 * a 32-bit dev_t if the FMH_OF_DEV_T flag is set. fmr_physical,
64 __u32 fmh_entries; /* # of entries filled in (output). */
84 head->fmh_keys[0] = head->fmh_recs[head->fmh_entries - 1]; in fsmap_advance()
87 /* fmh_iflags values - set by FS_IOC_GETFSMAP caller in the header. */
91 /* fmh_oflags values - returned in the header segment only. */
94 /* fmr_flags values - returned for each non-header segment */
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/openbmc/linux/Documentation/userspace-api/media/dvb/
H A Dfrontend-stat-properties.rst1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
3 .. _frontend-stat-properties:
27 The number of filled elements are stored at ``dtv_property.stat.len``.
32 - ``svalue`` or ``uvalue``, where ``svalue`` is for signed values of
36 - ``scale`` - Scale for the value. It can be:
38 - ``FE_SCALE_NOT_AVAILABLE`` - The parameter is supported by the
42 - ``FE_SCALE_DECIBEL`` - parameter is a signed value, measured in
45 - ``FE_SCALE_RELATIVE`` - parameter is a unsigned value, where 0
48 - ``FE_SCALE_COUNTER`` - parameter is a unsigned value that counts
53 .. _DTV-STAT-SIGNAL-STRENGTH:
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/openbmc/u-boot/doc/device-tree-bindings/net/
H A Dstmmac.txt4 - compatible: Should be "snps,dwmac-<ip_version>" "snps,dwmac"
5 For backwards compatibility: "st,spear600-gmac" is also supported.
6 - reg: Address and length of the register set for the device
7 - interrupt-parent: Should be the phandle for the interrupt controller
9 - interrupts: Should contain the STMMAC interrupts
10 - interrupt-names: Should contain the interrupt names "macirq"
13 - phy-mode: See ethernet.txt file in the same directory.
14 - snps,reset-gpio gpio number for phy reset.
15 - snps,reset-active-low boolean flag to indicate if phy reset is active low.
16 - snps,reset-delays-us is triplet of delays
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/openbmc/linux/arch/powerpc/boot/dts/fsl/
H A Dmpc8536ds_36b.dts1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * MPC8536DS Device Tree Source (36-bit address map)
5 * Copyright 2008-2009, 2011 Freescale Semiconductor, Inc.
8 /include/ "mpc8536si-pre.dtsi"
16 #address-cells = <1>;
17 #size-cells = <0>;
22 next-level-cache = <&L2>;
28 reg = <0 0 0 0>; // Filled by U-Boot
47 clock-frequency = <66666666>;
48 interrupt-map-mask = <0xf800 0x0 0x0 0x7>;
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H A Dmpc8536ds.dts1 // SPDX-License-Identifier: GPL-2.0-or-later
8 /include/ "mpc8536si-pre.dtsi"
16 #address-cells = <1>;
17 #size-cells = <0>;
22 next-level-cache = <&L2>;
28 reg = <0 0 0 0>; // Filled by U-Boot
47 clock-frequency = <66666666>;
48 interrupt-map-mask = <0xf800 0x0 0x0 0x7>;
49 interrupt-map = <
104 /include/ "mpc8536si-post.dtsi"
H A Dmpc8544ds.dts1 // SPDX-License-Identifier: GPL-2.0-or-later
8 /include/ "mpc8544si-pre.dtsi"
16 reg = <0 0 0 0>; // Filled by U-Boot
33 clock-frequency = <66666666>;
34 interrupt-map-mask = <0xf800 0x0 0x0 0x7>;
35 interrupt-map = <
99 * for interrupt-map & interrupt-map-mask
102 /include/ "mpc8544si-post.dtsi"
/openbmc/linux/drivers/md/persistent-data/
H A Ddm-array.h1 /* SPDX-License-Identifier: GPL-2.0-only */
10 #include "dm-btree.h"
12 /*----------------------------------------------------------------*/
15 * The dm-array is a persistent version of an array. It packs the data
30 * 'n - 1' will be the last valid index.
41 * pre existing root in your metadata that you wish to use, or you may
79 * info - the structure being filled in.
80 * tm - the transaction manager that should supervise this structure.
81 * vt - describes the leaf values.
90 * info - describes the array
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/openbmc/linux/drivers/video/fbdev/core/
H A Dfbcvt.c2 * linux/drivers/video/fbcvt.c - VESA(TM) Coordinated Video Timings
75 u32 num = 1000000000/cvt->f_refresh; in fb_cvt_hperiod()
78 if (cvt->flags & FB_CVT_FLAG_REDUCED_BLANK) { in fb_cvt_hperiod()
79 num -= FB_CVT_RB_MIN_VBLANK * 1000; in fb_cvt_hperiod()
80 den = 2 * (cvt->yres/cvt->interlace + 2 * cvt->v_margin); in fb_cvt_hperiod()
82 num -= FB_CVT_MIN_VSYNC_BP * 1000; in fb_cvt_hperiod()
83 den = 2 * (cvt->yres/cvt->interlace + cvt->v_margin * 2 in fb_cvt_hperiod()
84 + FB_CVT_MIN_VPORCH + cvt->interlace/2); in fb_cvt_hperiod()
93 u32 c_prime = (FB_CVT_GTF_C - FB_CVT_GTF_J) * in fb_cvt_ideal_duty_cycle()
96 u32 h_period_est = cvt->hperiod; in fb_cvt_ideal_duty_cycle()
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/openbmc/linux/fs/netfs/
H A Dbuffered_read.c1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /* Network filesystem high-level buffered read support.
20 pgoff_t start_page = rreq->start / PAGE_SIZE; in netfs_rreq_unlock_folios()
21 pgoff_t last_page = ((rreq->start + rreq->len) / PAGE_SIZE) - 1; in netfs_rreq_unlock_folios()
25 XA_STATE(xas, &rreq->mapping->i_pages, start_page); in netfs_rreq_unlock_folios()
27 if (test_bit(NETFS_RREQ_FAILED, &rreq->flags)) { in netfs_rreq_unlock_folios()
28 __clear_bit(NETFS_RREQ_COPY_TO_CACHE, &rreq->flags); in netfs_rreq_unlock_folios()
29 list_for_each_entry(subreq, &rreq->subrequests, rreq_link) { in netfs_rreq_unlock_folios()
30 __clear_bit(NETFS_SREQ_COPY_TO_CACHE, &subreq->flags); in netfs_rreq_unlock_folios()
40 subreq = list_first_entry(&rreq->subrequests, in netfs_rreq_unlock_folios()
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/openbmc/linux/Documentation/security/
H A Dsiphash.rst2 SipHash - a short input PRF
7 SipHash is a cryptographically secure PRF -- a keyed hash function -- that
9 cryptographers Daniel J. Bernstein and Jean-Philippe Aumasson. It is intended
13 SipHash takes a secret key filled with randomly generated numbers and either
49 will constant fold at compile-time and automatically choose one of the
61 get_random_bytes(&table->key, sizeof(table->key));
66 …return &table->hashtable[siphash(input, sizeof(*input), &table->key) & (HASH_SIZE(table->hashtable…
74 SipHash has a very high security margin, with its 128-bit key. So long as the
79 Linux implements the "2-4" variant of SipHash.
81 Struct-passing Pitfalls
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/openbmc/linux/tools/testing/selftests/powerpc/tm/
H A Dtm-signal-pagefault.c1 // SPDX-License-Identifier: GPL-2.0
8 * In order to avoid pre-faulting the signal stack memory and to force the
14 * the same mechanism used to avoid pre-faulting the signal stack memory.
44 * Data that will be copied into the faulting pages (instead of zero-filled
48 * paged-in it will contain the expected content.
78 uf_mem_offset = (uf_mem_offset + pagesize - 1) & ~(pagesize - 1); in get_uf_mem()
96 if (poll(&pollfd, 1, -1) == -1) { in fault_handler_thread()
107 if (nread == -1) { in fault_handler_thread()
122 uffdio_copy.dst = msg.arg.pagefault.address & ~(pagesize-1); in fault_handler_thread()
124 offset = (char *) uffdio_copy.dst - uf_mem; in fault_handler_thread()
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/openbmc/linux/include/net/
H A Dcfg80211.h1 /* SPDX-License-Identifier: GPL-2.0-only */
7 * Copyright 2006-2010 Johannes Berg <johannes@sipsolutions.net>
8 * Copyright 2013-2014 Intel Mobile Communications GmbH
9 * Copyright 2015-2017 Intel Deutschland GmbH
10 * Copyright (C) 2018-2021, 2023 Intel Corporation
72 * enum ieee80211_channel_flags - channel flags
150 * struct ieee80211_channel - channel definition
157 * @hw_value: hardware-specific value for the channel
193 * enum ieee80211_rate_flags - rate flags
203 * when used with 802.11a (on the 5 GHz band); filled by the
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/openbmc/linux/include/crypto/
H A Dskcipher.h1 /* SPDX-License-Identifier: GPL-2.0-or-later */
5 * Copyright (c) 2007-2015 Herbert Xu <herbert@gondor.apana.org.au>
21 * struct skcipher_request - Symmetric key cipher request
53 * struct crypto_istat_cipher - statistics for cipher algorithm
69 * struct skcipher_alg - symmetric key cipher definition
72 * This must be set to one of the pre-defined values as this is
77 * This must be set to one of the pre-defined values as this is
98 * re-programmed into the hardware in this function. This function
124 * All fields except @ivsize are mandatory and must be filled.
149 * This performs a type-check against the "tfm" argument to make sure
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/openbmc/linux/drivers/staging/media/atomisp/pci/
H A Dgdc_v2_defs.h1 /* SPDX-License-Identifier: GPL-2.0 */
21 #define HRT_GDC_N 1024 /* Top-level design constant, equal to the number of ent…
24 #define HRT_GDC_BLI_FRAC_BITS 4 /* Number of fractional bits for the bi-linear interpola…
28 #define HRT_GDC_BCI_COEF_ONE (1 << (HRT_GDC_BCI_COEF_BITS - 2)) /* We represent signed…
29 /* The supported range is [-256, .., +256] */
30 /* in 14-bit signed notation, */
32 /* -s is inserted to solve this issue, and */
34 #define HRT_GDC_BCI_COEF_MASK ((1 << HRT_GDC_BCI_COEF_BITS) - 1)
42 // |-----|---|--------|------------------------|
46 // 1 - Configure reg
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/openbmc/u-boot/drivers/spi/
H A Dmtk_qspi.c1 // SPDX-License-Identifier: GPL-2.0
59 u32 txlen; /* dout buffer length - op code length */
87 writeb(cmd, &priv->regs->cmd); in mtk_qspi_execute_cmd()
89 return readb_poll_timeout(&priv->regs->cmd, tmp, !(val & tmp), in mtk_qspi_execute_cmd()
95 int len = 1 + priv->txlen + priv->rxlen; in mtk_qspi_tx_rx()
99 return -ERR_INVAL; in mtk_qspi_tx_rx()
101 writeb(len * 8, &priv->regs->cnt); in mtk_qspi_tx_rx()
104 idx = MTK_QSPI_MAX_RX_TX_SHIFT - 1; in mtk_qspi_tx_rx()
107 writeb(priv->op, &priv->regs->prgdata[idx]); in mtk_qspi_tx_rx()
108 idx--; in mtk_qspi_tx_rx()
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/openbmc/qemu/linux-headers/linux/
H A Diommufd.h1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2 /* Copyright (c) 2021-2022, NVIDIA CORPORATION & AFFILIATES.
23 * - ENOTTY: The IOCTL number itself is not supported at all
24 * - E2BIG: The IOCTL number is supported, but the provided structure has
25 * non-zero in a part the kernel does not understand.
26 * - EOPNOTSUPP: The IOCTL number is supported, and the structure is
29 * - EINVAL: Everything about the IOCTL was understood, but a field is not
31 * - ENOENT: An ID or IOVA provided does not exist.
32 * - ENOMEM: Out of memory.
33 * - EOVERFLOW: Mathematics overflowed.
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