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/linux/arch/arm64/boot/dts/ti/
H A Dk3-am642-tqma64xxl.dtsi1 // SPDX-License-Identifier: GPL-2.0-only OR MIT
3 * Copyright (C) 2021 Texas Instruments Incorporated - https://www.ti.com/
4 * Copyright (c) 2022-2024 TQ-Systems GmbH <linux@ew.tq-group.com>, D-82229 Seefeld, Germany.
7 #include "k3-am642.dtsi"
18 /* 1G RAM - default variant */
20 bootph-pre-ram;
23 reserved_memory: reserved-memory {
24 #address-cells = <2>;
25 #size-cells = <2>;
31 no-map;
[all …]
/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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/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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/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 description
115 * nfc_se - A structure for NFC accessible secure elements.
132 * nfc_evt_transaction - A struct for NFC secure element event transaction.
211 * nfc_free_device - free nfc device
217 put_device(&dev->dev); in nfc_free_device()
227 * nfc_set_parent_dev - set the parent device
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/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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/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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H A Dif_xdp.h1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
3 * if_xdp: XDP socket user-space interface
17 #define XDP_COPY (1 << 1) /* Force copy-mode */
18 #define XDP_ZEROCOPY (1 << 2) /* Force zero-copy mode */
30 * multi-buffer XDP frames into multiple Rx descriptors. Without this set
44 /* Request to reserve tx_metadata_len bytes of per-chunk metadata.
118 ((1ULL << XSK_UNALIGNED_BUF_OFFSET_SHIFT) - 1)
132 * transmission at a pre-determined time called launch time. The value of
139 * filled by the driver when the transmit completion arrives.
148 /* Offset from desc->addr where checksumming should start. */
/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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/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"
/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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/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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/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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/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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/linux/tools/include/uapi/linux/
H A Dif_xdp.h1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
3 * if_xdp: XDP socket user-space interface
17 #define XDP_COPY (1 << 1) /* Force copy-mode */
18 #define XDP_ZEROCOPY (1 << 2) /* Force zero-copy mode */
30 * multi-buffer XDP frames into multiple Rx descriptors. Without this set
44 /* Request to reserve tx_metadata_len bytes of per-chunk metadata.
118 ((1ULL << XSK_UNALIGNED_BUF_OFFSET_SHIFT) - 1)
132 * transmission at a pre-determined time called launch time. The value of
139 * filled by the driver when the transmit completion arrives.
148 /* Offset from desc->addr where checksumming should start. */
/linux/include/linux/
H A Dfsnotify.h1 /* SPDX-License-Identifier: GPL-2.0 */
6 * include/linux/fsnotify.h - generic hooks for filesystem notification, to
7 * reduce in-source duplication from both dnotify and inotify.
30 return atomic_long_read(&sbinfo->watched_objects[prio]); in fsnotify_sb_has_priority_watchers()
52 if (!fsnotify_sb_has_watchers(dir->i_sb)) in fsnotify_name()
61 fsnotify_name(mask, dentry, FSNOTIFY_EVENT_DENTRY, dir, &dentry->d_name, 0); in fsnotify_dirent()
66 if (!fsnotify_sb_has_watchers(inode->i_sb)) in fsnotify_inode()
69 if (S_ISDIR(inode->i_mode)) in fsnotify_inode()
81 if (!fsnotify_sb_has_watchers(inode->i_sb)) in fsnotify_parent()
84 if (S_ISDIR(inode->i_mode)) { in fsnotify_parent()
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/linux/Documentation/driver-api/
H A Dxillybus.rst10 - Introduction
11 -- Background
12 -- Xillybus Overview
14 - Usage
15 -- User interface
16 -- Synchronization
17 -- Seekable pipes
19 - Internals
20 -- Source code organization
21 -- Pipe attributes
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/linux/drivers/net/ethernet/qlogic/qed/
H A Dqed_vf.h1 /* SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) */
3 * Copyright (c) 2015-2017 QLogic Corporation
45 /* general tlv header (used for both vf->pf request and pf->vf response) */
51 /* header of first vf->pf tlv carries the offset used to calculate response
60 /* header of pf->vf tlvs, carries the status of handling the request */
88 #define VFPF_ACQUIRE_CAP_PRE_FP_HSI BIT(0) /* VF pre-FP hsi version */
90 /* A requirement for supporting multi-Tx queues on a single queue-zone,
166 * mechanism [version-based] and allow a VF that can't be supported to pass
194 * non-matching versions to shed light in VF about failure.
227 /* Extended queue information - additional index for reference inside qzone.
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/linux/Documentation/admin-guide/blockdev/
H A Dzram.rst2 zram: Compressed RAM-based block devices
8 The zram module creates RAM-based block devices named /dev/zram<id>
20 There are several ways to configure and manage zram device(-s):
23 b) using zramctl utility, provided by util-linux (util-linux@vger.kernel.org).
28 In order to get a better idea about zramctl please consult util-linux
29 documentation, zramctl man-page or `zramctl --help`. Please be informed
30 that zram maintainers do not develop/maintain util-linux or zramctl, should
31 you have any questions please contact util-linux@vger.kernel.org
45 -EBUSY an attempt to modify an attribute that cannot be changed once
47 -ENOMEM zram was not able to allocate enough memory to fulfil your
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/linux/drivers/gpu/ipu-v3/
H A Dipu-prg.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * Copyright (c) 2016-2017 Lucas Stach, Pengutronix
11 #include <linux/mfd/syscon/imx6q-iomuxc-gpr.h>
17 #include <video/imx-ipu-v3.h>
19 #include "ipu-prv.h"
87 struct device_node *prg_node = of_parse_phandle(dev->of_node, in ipu_prg_lookup_by_phandle()
93 if (prg_node == prg->dev->of_node) { in ipu_prg_lookup_by_phandle()
95 device_link_add(dev, prg->dev, in ipu_prg_lookup_by_phandle()
97 prg->id = ipu_id; in ipu_prg_lookup_by_phandle()
117 if (ipu->prg_priv) in ipu_prg_present()
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/linux/fs/netfs/
H A Dbuffered_read.c1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /* Network filesystem high-level buffered read support.
17 struct netfs_cache_resources *cres = &rreq->cache_resources; in netfs_cache_expand_readahead()
19 if (cres->ops && cres->ops->expand_readahea in netfs_cache_expand_readahead()
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/linux/drivers/net/hyperv/
H A Dnetvsc.c1 // SPDX-License-Identifier: GPL-2.0-only
38 struct hv_device *dev = net_device_ctx->device_ctx; in netvsc_switch_datapath()
39 struct netvsc_device *nv_dev = rtnl_dereference(net_device_ctx->nvdev); in netvsc_switch_datapath()
40 struct nvsp_message *init_pkt = &nv_dev->channel_init_pkt; in netvsc_switch_datapath()
45 net_device_ctx->data_path_is_vf = vf; in netvsc_switch_datapath()
48 init_pkt->hdr.msg_type = NVSP_MSG4_TYPE_SWITCH_DATA_PATH; in netvsc_switch_datapath()
50 init_pkt->msg.v4_msg.active_dp.active_datapath = in netvsc_switch_datapath()
53 init_pkt->msg.v4_msg.active_dp.active_datapath = in netvsc_switch_datapath()
59 ret = vmbus_sendpacket(dev->channel, init_pkt, in netvsc_switch_datapath()
68 if (ret != -EAGAIN) { in netvsc_switch_datapath()
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/linux/drivers/net/wireless/ath/ath9k/
H A Dlink.c20 * TX polling - checks if the TX engine is stuck somewhere
28 if (sc->tx99_state) in ath_tx_complete_check()
32 txq = sc->tx.txq_map[i]; in ath_tx_complete_check()
35 if (txq->axq_depth) { in ath_tx_complete_check()
36 if (txq->axq_tx_inprogress) { in ath_tx_complete_check()
41 txq->axq_tx_inprogress = true; in ath_tx_complete_check()
49 ath_dbg(ath9k_hw_common(sc->sc_ah), RESET, in ath_tx_complete_check()
59 struct ath_common *common = ath9k_hw_common(sc->sc_ah); in ath_hw_rx_inactive_check()
62 interval = jiffies_to_msecs(jiffies - sc->rx_active_check_time); in ath_hw_rx_inactive_check()
63 count = sc->rx_active_count; in ath_hw_rx_inactive_check()
[all …]
/linux/drivers/usb/gadget/function/
H A Du_audio.c1 // SPDX-License-Identifier: GPL-2.0+
3 * u_audio.c -- interface to USB gadget "ALSA sound card" utilities
8 * Sound card implementation was cut-and-pasted with changes
66 struct snd_ctl_elem_id snd_kctl_rate_id; /* read-only current rate */
83 /* pre-calculated values for playback iso completion */
118 * Full-speed feedback endpoints report frequency in u_audio_set_fback_frequency()
120 * Format is encoded in Q10.10 left-justified in the 24 bits, in u_audio_set_fback_frequency()
128 * High-speed feedback endpoints report frequency in u_audio_set_fback_frequency()
138 * Linux snd-usb-audio detects the applied bit-shift automatically. in u_audio_set_fback_frequency()
140 ep_desc = out_ep->desc; in u_audio_set_fback_frequency()
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