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/Linux-v6.1/Documentation/devicetree/bindings/display/
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
36 interaction, then the chosen node stdout-path property should point
41 It is advised that devicetree files contain pre-filled, disabled
47 If pre-filled framebuffer nodes are used, the firmware may need
[all …]
/Linux-v6.1/drivers/net/ethernet/cavium/liquidio/
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-v6.1/Documentation/filesystems/
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-v6.1/Documentation/input/
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-v6.1/include/net/nfc/
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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/Linux-v6.1/include/uapi/linux/
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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/Linux-v6.1/Documentation/userspace-api/media/dvb/
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-v6.1/arch/powerpc/boot/dts/fsl/
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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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"
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-v6.1/drivers/gpu/drm/v3d/
Dv3d_mmu.c1 // SPDX-License-Identifier: GPL-2.0+
2 /* Copyright (C) 2017-2018 Broadcom */
26 /* Note: All PTEs for the 1MB superpage must be filled with the
43 dev_err(v3d->drm.dev, "TLB clear wait idle pre-wait failed\n"); in v3d_mmu_flush_all()
55 dev_err(v3d->drm.dev, "TLB clear wait idle failed\n"); in v3d_mmu_flush_all()
62 dev_err(v3d->drm.dev, "MMUC flush wait idle failed\n"); in v3d_mmu_flush_all()
69 V3D_WRITE(V3D_MMU_PT_PA_BASE, v3d->pt_paddr >> V3D_MMU_PAGE_SHIFT); in v3d_mmu_set_page_table()
80 (v3d->mmu_scratch_paddr >> V3D_MMU_PAGE_SHIFT) | in v3d_mmu_set_page_table()
89 struct drm_gem_shmem_object *shmem_obj = &bo->base; in v3d_mmu_insert_ptes()
90 struct v3d_dev *v3d = to_v3d_dev(shmem_obj->base.dev); in v3d_mmu_insert_ptes()
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/Linux-v6.1/drivers/md/persistent-data/
Ddm-array.h9 #include "dm-btree.h"
11 /*----------------------------------------------------------------*/
14 * The dm-array is a persistent version of an array. It packs the data
29 * 'n - 1' will be the last valid index.
40 * pre existing root in your metadata that you wish to use, or you may
78 * info - the structure being filled in.
79 * tm - the transaction manager that should supervise this structure.
80 * vt - describes the leaf values.
89 * info - describes the array
90 * root - on success this will be filled out with the root block
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/Linux-v6.1/drivers/video/fbdev/core/
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-v6.1/tools/testing/selftests/powerpc/tm/
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-v6.1/fs/netfs/
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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/Linux-v6.1/Documentation/security/
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-v6.1/include/crypto/
Dskcipher.h1 /* SPDX-License-Identifier: GPL-2.0-or-later */
5 * Copyright (c) 2007-2015 Herbert Xu <herbert@gondor.apana.org.au>
20 * struct skcipher_request - Symmetric key cipher request
52 * struct skcipher_alg - symmetric key cipher definition
55 * This must be set to one of the pre-defined values as this is
60 * This must be set to one of the pre-defined values as this is
81 * re-programmed into the hardware in this function. This function
106 * All fields except @ivsize are mandatory and must be filled.
127 * This performs a type-check against the "tfm" argument to make sure
128 * all users have the correct skcipher tfm for doing on-stack requests.
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/Linux-v6.1/include/net/
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 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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/Linux-v6.1/drivers/staging/media/atomisp/pci/
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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/Linux-v6.1/drivers/gpu/drm/
Ddrm_blend.c43 * sub-pixel accuracy, which is scaled up to a pixel-aligned destination
96 * plane-wide opacity, from transparent (0) to opaque (0xffff). It can be
99 * pre-multiplied by the global alpha associated to the plane.
109 * "rotate-<degrees>":
113 * "reflect-<axis>":
117 * reflect-x::
120 * | | -> | |
123 * reflect-y::
126 * | | -> | |
137 * value can also be immutable, to inform userspace about the hard-coded
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Ddrm_modeset_helper.c35 * This helper library contains various one-off functions which don't really fit
40 * drm_helper_move_panel_connectors_to_head() - move panels to the front in the
57 spin_lock_irq(&dev->mode_config.connector_list_lock); in drm_helper_move_panel_connectors_to_head()
59 &dev->mode_config.connector_list, head) { in drm_helper_move_panel_connectors_to_head()
60 if (connector->connector_type == DRM_MODE_CONNECTOR_LVDS || in drm_helper_move_panel_connectors_to_head()
61 connector->connector_type == DRM_MODE_CONNECTOR_eDP || in drm_helper_move_panel_connectors_to_head()
62 connector->connector_type == DRM_MODE_CONNECTOR_DSI) in drm_helper_move_panel_connectors_to_head()
63 list_move_tail(&connector->head, &panel_list); in drm_helper_move_panel_connectors_to_head()
66 list_splice(&panel_list, &dev->mode_config.connector_list); in drm_helper_move_panel_connectors_to_head()
67 spin_unlock_irq(&dev->mode_config.connector_list_lock); in drm_helper_move_panel_connectors_to_head()
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/Linux-v6.1/tools/power/cpupower/utils/helpers/
Damd.c1 // SPDX-License-Identifier: GPL-2.0
14 /* ACPI P-States Helper Functions for AMD Processors ***************/
20 /* pre fam 17h: */
81 * cpu -> the cpu that gets evaluated
82 * boost_states -> how much boost states the machines support
85 * pstates -> a pointer to an array of size MAX_HW_PSTATES
88 * no -> amount of pstates above array got filled up with
90 * returns zero on success, -1 on failure
103 return -1; in decode_pstates()
106 return -1; in decode_pstates()
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/Linux-v6.1/drivers/gpu/drm/amd/display/include/
Dlink_service_types.h2 * Copyright 2012-15 Advanced Micro Devices, Inc.
102 /* TODO - factor lane_settings out because it changes during LT */
126 * training states - parameters that can change in link training
132 * a constant input pre-decided prior to link training.
252 * _ONLY_ be filled out from DM and then passed to DC, do NOT use these for _any_ kind of atomic
/Linux-v6.1/Documentation/driver-api/
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-v6.1/drivers/net/ethernet/qlogic/qed/
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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