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/linux/drivers/tty/hvc/
H A Dhvsi.c1 // SPDX-License-Identifier: GPL-2.0+
7 * and the service processor on IBM pSeries servers. On these servers, there
9 * console available either. However, the service processor has two standard
10 * serial ports, so this over-complicated protocol allows the OS to control
15 * control a modem attached to the service processor's serial port. Note that
53 * we pass data via two 8-byte registers, so we would like our char arrays
68 /* inbuf is for packet reassembly. leave a little room for leftovers. */
75 atomic_t seqno; /* HVSI packet sequence number */
101 return hp->flags & HVSI_CONSOLE; in is_console()
107 return (hp->state == HVSI_OPEN) in is_open()
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/linux/Documentation/devicetree/bindings/remoteproc/
H A Dqcom,glink-edge.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/remoteproc/qcom,glink-edge.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Qualcomm G-Link Edge communication channel nodes
10 - Bjorn Andersson <bjorn.andersson@linaro.org>
13 Qualcomm G-Link subnode represents communication edge, channels and devices
14 related to the remote processor.
20 - qcom,glink-channels
22 Qualcomm APR (Asynchronous Packet Router)
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/linux/arch/alpha/kernel/
H A Derr_ev7.c1 // SPDX-License-Identifier: GPL-2.0
33 if (el_ptr->class != EL_CLASS__HEADER || in ev7_collect_logout_frame_subpackets()
34 el_ptr->type != EL_TYPE__HEADER__LOGOUT_FRAME) in ev7_collect_logout_frame_subpackets()
41 ((unsigned long)el_ptr + el_ptr->length); in ev7_collect_logout_frame_subpackets()
46 if (el_ptr->class != EL_CLASS__PAL || in ev7_collect_logout_frame_subpackets()
47 el_ptr->type != EL_TYPE__PAL__LOGOUT_FRAME) in ev7_collect_logout_frame_subpackets()
50 lf_subpackets->logout = (struct ev7_pal_logout_subpacket *) in ev7_collect_logout_frame_subpackets()
51 el_ptr->by_type.raw.data_start; in ev7_collect_logout_frame_subpackets()
57 ((unsigned long)el_ptr + el_ptr->length); in ev7_collect_logout_frame_subpackets()
59 subpacket && i < lf_subpackets->logout->subpacket_count; in ev7_collect_logout_frame_subpackets()
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H A Derr_marvel.c1 // SPDX-License-Identifier: GPL-2.0
49 env = lf_subpackets->env[ev7_lf_env_index(ev_packets[i].type)]; in marvel_print_680_frame()
56 env->cabinet, in marvel_print_680_frame()
57 env->drawer); in marvel_print_680_frame()
58 printk("%s Module Type: 0x%x - Unit ID 0x%x - " in marvel_print_680_frame()
61 env->module_type, in marvel_print_680_frame()
62 env->unit_id, in marvel_print_680_frame()
63 env->condition); in marvel_print_680_frame()
77 if (lf_subpackets->env[i]) in marvel_process_680_frame()
95 "1 cycle (1 or 2 flit packet)", in marvel_print_err_cyc()
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/linux/arch/powerpc/include/asm/
H A Dhvsi.h1 /* SPDX-License-Identifier: GPL-2.0 */
11 #define VSV_SET_MODEM_CTL 1 /* to service processor only */
12 #define VSV_MODEM_CTL_UPDATE 2 /* from service processor only */
67 size_t inbuf_pktlen; /* packet length from cursor */
68 atomic_t seqno; /* packet sequence number */
/linux/tools/perf/util/intel-pt-decoder/
H A Dintel-pt-pkt-decoder.h1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * intel_pt_pkt_decoder.h: Intel Processor Trace support
4 * Copyright (c) 2013-2014, Intel Corporation.
15 #define INTEL_PT_NEED_MORE_BYTES -1
16 #define INTEL_PT_BAD_PACKET -2
71 * Decoding of BIP packets conflicts with single-byte TNT packets. Since BIP
73 * context must be recorded and passed to the packet decoder.
77 INTEL_PT_BLK_4_CTX, /* 4-byte BIP packets */
78 INTEL_PT_BLK_8_CTX, /* 8-byte BIP packets */
84 struct intel_pt_pkt *packet,
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H A Dintel-pt-log.h1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * intel_pt_log.h: Intel Processor Trace support
4 * Copyright (c) 2013-2014, Intel Corporation.
22 void __intel_pt_log_packet(const struct intel_pt_pkt *packet, int pkt_len,
H A Dintel-pt-decoder.h1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * intel_pt_decoder.h: Intel Processor Trace support
4 * Copyright (c) 2013-2014, Intel Corporation.
16 #include "intel-pt-insn-decoder.h"
67 * FUP packet can contain next linear instruction pointer instead of
114 return blk_type < INTEL_PT_BLK_TYPE_MAX ? map[blk_type] - 1 : -1; in intel_pt_blk_type_pos()
121 * There is an array of 32-bit masks for each block type, which indicate which
122 * values are present. Then arrays of 32 64-bit values for each block type.
184 uint64_t unused_0[INTEL_PT_BLK_ITEM_ID_CNT - 18];
190 uint64_t unused_1[INTEL_PT_BLK_ITEM_ID_CNT - 3];
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H A Dintel-pt-pkt-decoder.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * intel_pt_pkt_decoder.c: Intel Processor Trace support
4 * Copyright (c) 2013-2014, Intel Corporation.
15 #include "intel-pt-pkt-decoder.h"
31 [INTEL_PT_BAD] = "Bad Packet!",
74 struct intel_pt_pkt *packet) in intel_pt_get_long_tnt() argument
84 for (count = 47; count; count--) { in intel_pt_get_long_tnt()
90 packet->type = INTEL_PT_TNT; in intel_pt_get_long_tnt()
91 packet->count = count; in intel_pt_get_long_tnt()
92 packet->payload = payload << 1; in intel_pt_get_long_tnt()
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H A Dintel-pt-log.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * intel_pt_log.c: Intel Processor Trace support
4 * Copyright (c) 2013-2014, Intel Corporation.
18 #include "intel-pt-log.h"
19 #include "intel-pt-insn-decoder.h"
21 #include "intel-pt-pkt-decoder.h"
63 strncpy(log_name, name, MAX_LOG_NAME - 5); in intel_pt_log_set_name()
101 if (!b->buf) in log_buf__write()
105 size_t space = b->buf_sz - b->head; in log_buf__write()
108 memcpy(b->buf + b->head, buf, n); in log_buf__write()
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/linux/Documentation/networking/dsa/
H A Dbcm_sf2.rst8 - xDSL gateways such as BCM63138
9 - streaming/multimedia Set Top Box such as BCM7445
10 - Cable Modem/residential gateways such as BCM7145/BCM3390
13 ports, offering a range of built-in and customizable interfaces:
15 - single integrated Gigabit PHY
16 - quad integrated Gigabit PHY
17 - quad external Gigabit PHY w/ MDIO multiplexer
18 - integrated MoCA PHY
19 - several external MII/RevMII/GMII/RGMII interfaces
22 fail-over not to lose packets during a MoCA role re-election, as well as out of
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/linux/Documentation/devicetree/bindings/soc/qcom/
H A Dqcom,apr.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Qualcomm APR/GPR (Asynchronous/Generic Packet Router)
10 - Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
14 communication between Application processor and QDSP. APR/GPR is mainly
20 - qcom,apr
21 - qcom,apr-v2
22 - qcom,gpr
24 power-domains:
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/linux/Documentation/networking/device_drivers/ethernet/netronome/
H A Dnfp.rst1 .. SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
5 Network Flow Processor (NFP) Kernel Drivers
14 - `Overview`_
15 - `Acquiring Firmware`_
16 - `Devlink Info`_
17 - `Configure Device`_
18 - `Statistics`_
23 This driver supports Netronome and Corigine's line of Network Flow Processor
25 are also incorporated in the companies' family of Agilio SmartNICs. The SR-IOV
35 Firmware files on the host filesystem contain card type (`AMDA-*` string), media
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/linux/net/rxrpc/
H A Dconn_event.c1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /* connection-level event handling
17 #include "ar-internal.h"
28 if (conn->state != RXRPC_CONN_ABORTED) { in rxrpc_set_conn_aborted()
29 spin_lock_irq(&conn->state_lock); in rxrpc_set_conn_aborted()
30 if (conn->state != RXRPC_CONN_ABORTED) { in rxrpc_set_conn_aborted()
31 conn->abort_code = abort_code; in rxrpc_set_conn_aborted()
32 conn->error = err; in rxrpc_set_conn_aborted()
33 conn->completion = compl; in rxrpc_set_conn_aborted()
35 smp_store_release(&conn->state, RXRPC_CONN_ABORTED); in rxrpc_set_conn_aborted()
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H A Dconn_object.c1 // SPDX-License-Identifier: GPL-2.0-or-later
14 #include "ar-internal.h"
28 struct rxrpc_local *local = conn->local; in rxrpc_poke_conn()
34 spin_lock_irq(&local->lock); in rxrpc_poke_conn()
35 busy = !list_empty(&conn->attend_link); in rxrpc_poke_conn()
38 list_add_tail(&conn->attend_link, &local->conn_attend_q); in rxrpc_poke_conn()
40 spin_unlock_irq(&local->lock); in rxrpc_poke_conn()
64 INIT_LIST_HEAD(&conn->cache_link); in rxrpc_alloc_connection()
65 timer_setup(&conn->timer, &rxrpc_connection_timer, 0); in rxrpc_alloc_connection()
66 INIT_WORK(&conn->processor, rxrpc_process_connection); in rxrpc_alloc_connection()
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/linux/drivers/media/pci/saa7164/
H A Dsaa7164-types.h1 /* SPDX-License-Identifier: GPL-2.0-or-later */
5 * Copyright (c) 2010-2015 Steven Toth <stoth@kernellabs.com>
188 /* the buffer is the dummy buffer - TODO??? */
248 * bLength - The size of this descriptor in bytes.
249 * bDescriptorType - CS_INTERFACE.
250 * bDescriptorSubtype - VS_FORMAT_MPEG2TS descriptor subtype.
251 * bFormatIndex - A non-zero constant that uniquely identifies the
253 * bDataOffset - Offset to TSP packet within MPEG-2 TS transport
255 * bPacketLength - Length of TSP packet, in bytes (typically 188).
256 * bStrideLength - Length of MPEG-2 TS transport stride.
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/linux/Documentation/userspace-api/media/
H A Dglossary.rst1 .. SPDX-License-Identifier: GPL-2.0 OR GFDL-1.1-no-invariants-or-later
52 **Digital Signal Processor**
58 **Field-programmable Gate Array**
63 See https://en.wikipedia.org/wiki/Field-programmable_gate_array.
72 together make a larger user-facing functional peripheral. For
80 **Inter-Integrated Circuit**
82 A multi-master, multi-slave, packet switched, single-ended,
84 like sub-device hardware components.
86 See http://www.nxp.com/docs/en/user-guide/UM10204.pdf.
108 **Image Signal Processor**
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/linux/drivers/media/common/
H A Dtveeprom.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * tveeprom - eeprom decoder for tvcard configuration eeproms
5 * Data and decoding routines shamelessly borrowed from bttv-cards.c
6 * eeprom access routine shamelessly borrowed from bttv-if.c
9 Copyright (C) 1996,97,98 Ralph Metzler (rjkm@thp.uni-koeln.de)
10 & Marcus Metzler (mocm@thp.uni-koeln.de)
11 (c) 1999-2001 Gerd Knorr <kraxel@goldbach.in-berlin.de>
31 #include <media/v4l2-common.h>
67 /* 0-9 */
78 /* 10-19 */
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/linux/drivers/macintosh/
H A Dadb-iop.c1 // SPDX-License-Identifier: GPL-2.0
3 * I/O Processor (IOP) ADB Driver
5 * Based on via-cuda.c by Paul Mackerras.
7 * 1999-07-01 (jmt) - First implementation for new driver architecture.
9 * 1999-07-31 (jmt) - First working version.
67 req->complete = 1; in adb_iop_done()
68 current_req = req->next; in adb_iop_done()
69 if (req->done) in adb_iop_done()
70 (*req->done)(req); in adb_iop_done()
79 * This will be called when a packet has been successfully sent.
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/linux/Documentation/devicetree/bindings/net/
H A Dmarvell,pp2.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Marcin Wojtas <mw@semihalf.com>
11 - Russell King <linux@armlinux.org>
21 - marvell,armada-375-pp2
22 - marvell,armada-7k-pp22
28 "#address-cells":
31 "#size-cells":
37 - description: main controller clock
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H A Dmarvell,prestera.yaml1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Miquel Raynal <miquel.raynal@bootlin.com>
15 - items:
16 - enum:
17 - marvell,prestera-98dx3236
18 - marvell,prestera-98dx3336
19 - marvell,prestera-98dx4251
20 - const: marvell,prestera
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/linux/drivers/net/wan/
H A Dfarsync.h1 /* SPDX-License-Identifier: GPL-2.0-or-later */
5 * Actually sync driver for X.21, V.35 and V.24 on FarSync T-series cards
23 * used with the FarSite T-Series cards (T2P & T4P) running in the high
30 * purpose (FarSite T-series).
121 unsigned char lineBuildOut; /* 0, -7.5, -15, -22 */
179 #define FST_RESET 1 /* Processor held in reset state */
182 #define FST_RUNNING 4 /* Processor running */
184 #define FST_HALTED 6 /* Processor flagged a halt */
338 #define DBG_TX 0x0040 /* Packet transmission */
339 #define DBG_RX 0x0080 /* Packet reception */
/linux/Documentation/devicetree/bindings/net/bluetooth/
H A Dnokia,h4p-bluetooth.txt2 ---------------------
9 and a few new packet types used to negotiate uart speed.
13 - compatible: should contain "nokia,h4p-bluetooth" as well as one of the following:
14 * "brcm,bcm2048-nokia"
15 * "ti,wl1271-bluetooth-nokia"
16 - reset-gpios: GPIO specifier, used to reset the BT module (active low)
17 - bluetooth-wakeup-gpios: GPIO specifier, used to wakeup the BT module (active high)
18 - host-wakeup-gpios: GPIO specifier, used to wakeup the host processor (active high)
19 - clock-names: should be "sysclk"
20 - clocks: should contain a clock specifier for every name in clock-names
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/linux/drivers/usb/gadget/udc/bdc/
H A Dbdc_cmd.c1 // SPDX-License-Identifier: GPL-2.0+
3 * bdc_cmd.c - BRCM BDC USB3.0 device controller
16 /* Issues a cmd to cmd processor and waits for cmd completion */
24 bdc_writel(bdc->regs, BDC_CMDPAR0, param0); in bdc_issue_cmd()
25 bdc_writel(bdc->regs, BDC_CMDPAR1, param1); in bdc_issue_cmd()
26 bdc_writel(bdc->regs, BDC_CMDPAR2, param2); in bdc_issue_cmd()
31 bdc_writel(bdc->regs, BDC_CMDSC, cmd_sc | BDC_CMD_CWS | BDC_CMD_SRD); in bdc_issue_cmd()
33 temp = bdc_readl(bdc->regs, BDC_CMDSC); in bdc_issue_cmd()
34 dev_dbg_ratelimited(bdc->dev, "cmdsc=%x", temp); in bdc_issue_cmd()
37 dev_dbg(bdc->dev, in bdc_issue_cmd()
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/linux/drivers/net/ethernet/8390/
H A Dlib8390.c1 // SPDX-License-Identifier: GPL-1.0+
5 Written 1992-94 by Donald Becker.
16 This is the chip-specific code for many 8390-based ethernet adaptors.
17 This is not a complete driver, it must be combined with board-specific
23 you have found something that needs changing. -- PG
36 Paul Gortmaker : update packet statistics for v2.1.x
39 Paul Gortmaker : add kmod support for auto-loading of the 8390
79 /* These are the operational function interfaces to board-specific
87 Write the COUNT bytes of BUF to the packet buffer at START_PAGE. The
88 "page" value uses the 8390's 256-byte pages.
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