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/linux/drivers/scsi/isci/
H A Dremote_device.h7 * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved.
9 * This program is free software; you can redistribute it and/or modify
11 * published by the Free Software Foundation.
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
26 * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved.
74 * isci_remote_device - isci representation of a sas expander / end point
76 * @connection_rate: per-taskcontext connection rate for this device
116 kref_get(&idev->kref); in isci_get_device()
122 struct isci_remote_device *idev = dev->lldd_dev; in isci_lookup_device()
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/linux/Documentation/admin-guide/device-mapper/
H A Dsnapshot.rst2 Device-mapper snapshot support
5 Device-mapper allows you, without massive data copying:
7 - To create snapshots of any block device i.e. mountable, saved states of
10 - To create device "forks", i.e. multiple different versions of the
12 - To merge a snapshot of a block device back into the snapshot's origin
16 changed and uses a separate copy-on-write (COW) block device for
24 snapshot, snapshot-origin, and snapshot-merge.
26 - snapshot-origin <origin>
34 - snapshot <origin> <COW device> <persistent?> <chunksize>
43 the amount of free space and expand the <COW device> before it fills up.
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/linux/sound/soc/google/
H A Dchv3-i2s.c1 // SPDX-License-Identifier: GPL-2.0-only
9 * The I2S interface consists of two ring buffers - one for RX and one for
11 * on which way the data is flowing, either the software or the hardware
25 * busy-waiting, which would keep stalling the kernel for quite a long time.
30 * are wait-free.
70 .name = "chv3-i2s",
103 writel(val, i2s->iobase + offset); in chv3_i2s_wr()
108 return readl(i2s->iobase + offset); in chv3_i2s_rd()
116 reg = readl(i2s->iobase_irq + I2S_IRQ_CLR); in chv3_i2s_isr()
121 snd_pcm_period_elapsed(i2s->rx_substream); in chv3_i2s_isr()
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/linux/Documentation/misc-devices/
H A Dibmvmc.rst1 .. SPDX-License-Identifier: GPL-2.0+
21 https://openpowerfoundation.org/wp-content/uploads/2016/05/LoPAPR_DRAFT_v11_24March2016_cmt1.pdf
27 Console (HMC) - based system management.
31 packaged as an external tower or rack-mounted personal computer. In a
33 processor-based systems.
36 ----------------------
44 POWER8 or newer processor-based server that is virtualized by PowerVM.
57 - Logical Partitioning Configuration
58 - Start, and stop actions for individual partitions
59 - Display of partition status
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/linux/Documentation/driver-api/media/
H A Dmc-core.rst1 .. SPDX-License-Identifier: GPL-2.0
4 ------------------------
11 on the kernel-side implementation of the media framework.
24 in a System-on-Chip image processing pipeline), DMA channels or physical
32 A link is a point-to-point oriented connection between two pads, either
40 instance, defined in ``include/media/media-device.h``.
42 embedding the :c:type:`media_device` instance in a larger driver-specific
60 instance, defined in ``include/media/media-entity.h``. The structure is usually
61 embedded into a higher-level structure, such as
78 ``include/media/media-entity.h``. Currently, only one type of interface is
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/linux/arch/powerpc/perf/
H A Dimc-pmu.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * In-Memory Collection (IMC) Performance Monitor counter support.
13 #include <asm/imc-pmu.h>
22 * Used to avoid races in counting the nest-pmu units during hotplug
51 * core and trace-imc
61 return container_of(event->pmu, struct imc_pmu, pmu); in imc_event_to_pmu()
64 PMU_FORMAT_ATTR(event, "config:0-61");
65 PMU_FORMAT_ATTR(offset, "config:0-31");
67 PMU_FORMAT_ATTR(mode, "config:33-40");
81 /* Format attribute for imc trace-mode */
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/linux/net/bridge/
H A Dbr_if.c1 // SPDX-License-Identifier: GPL-2.0-or-later
62 if (!strncmp(dev->name, "lec", 3)) in port_cost()
65 if (!strncmp(dev->name, "plip", 4)) in port_cost()
75 struct net_device *dev = p->dev; in br_port_carrier_check()
76 struct net_bridge *br = p->br; in br_port_carrier_check()
78 if (!(p->flags & BR_ADMIN_COST) && in br_port_carrier_check()
80 p->path_cost = port_cost(dev); in br_port_carrier_check()
83 if (!netif_running(br->dev)) in br_port_carrier_check()
86 spin_lock_bh(&br->lock); in br_port_carrier_check()
88 if (p->state == BR_STATE_DISABLED) { in br_port_carrier_check()
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/linux/net/hsr/
H A Dhsr_framereg.c1 // SPDX-License-Identifier: GPL-2.0
2 /* Copyright 2011-2014 Autronica Fire and Security AS
5 * 2011-2014 Arvid Brodin, arvid.brodin@alten.se
22 /* seq_nr_after(a, b) - return true if a is after (higher in sequence than) b,
30 if ((int)b - a == 32768) in seq_nr_after()
33 return (((s16)(b - a)) < 0); in seq_nr_after()
42 if (!hsr->redbox || !is_valid_ether_addr(hsr->macaddress_redbox)) in hsr_addr_is_redbox()
45 return ether_addr_equal(addr, hsr->macaddress_redbox); in hsr_addr_is_redbox()
54 sn = rcu_dereference(hsr->self_node); in hsr_addr_is_self()
60 if (ether_addr_equal(addr, sn->macaddress_A) || in hsr_addr_is_self()
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/linux/Documentation/networking/dsa/
H A Ddsa.rst22 An Ethernet switch typically comprises multiple front-panel ports and one
27 gateways, or even top-of-rack switches. This host Ethernet controller will
36 For each front-panel port, DSA creates specialized network devices which are
37 used as controlling and data-flowing endpoints for use by the Linux networking
46 - what port is this frame coming from
47 - what was the reason why this frame got forwarded
48 - how to send CPU originated traffic to specific ports
52 on Port-based VLAN IDs).
57 - the "cpu" port is the Ethernet switch facing side of the management
61 - the "dsa" port(s) are just conduits between two or more switches, and as such
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/linux/tools/perf/pmu-events/arch/x86/haswellx/
H A Duncore-cache.json27 "BriefDescription": "LLC misses - demand and prefetch data reads - excludes LLC prefetches. Derived from unc_c_tor_inserts.miss_opcode",
111 "BriefDescription": "LLC misses - Uncacheable reads (from cpu) . Derived from unc_c_tor_inserts.miss_opcode",
214 "PublicDescription": "Since occupancy counts can only be captured in the Cbo's 0 counter, this event allows a user to capture occupancy related information by filtering the Cb0 occupancy count captured in Counter 0. The filtering available is found in the control register - threshold, invert and edge detect. E.g. setting threshold to 1 can effectively monitor how many cycles the monitored queue has an entry.",
227 "BriefDescription": "All LLC Misses (code+ data rd + data wr - including demand and prefetch)",
233 "PublicDescription": "Counts the number of times the LLC was accessed - this includes code, data, prefetches and hints coming from L2. This has numerous filters available. Note the non-standard filtering equation. This event will count requests that lookup the cache multiple times with multiple increments. One must ALWAYS set umask bit 0 and select a state or states to match. Otherwise, the event will count nothing. CBoGlCtrl[22:18] bits correspond to [FMESI] state.; Filters for any transaction originating from the IPQ or IRQ. This does not include lookups originating from the ISMQ.",
244 "PublicDescription": "Counts the number of times the LLC was accessed - this includes code, data, prefetches and hints coming from L2. This has numerous filters available. Note the non-standard filtering equation. This event will count requests that lookup the cache multiple times with multiple increments. One must ALWAYS set umask bit 0 and select a state or states to match. Otherwise, the event will count nothing. CBoGlCtrl[22:18] bits correspond to [FMESI] state.; Read transactions",
254 "PublicDescription": "Counts the number of times the LLC was accessed - thi
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/linux/tools/perf/pmu-events/arch/x86/broadwellx/
H A Duncore-cache.json27 "BriefDescription": "LLC misses - demand and prefetch data reads - excludes LLC prefetches. Derived from unc_c_tor_inserts.miss_opcode",
111 "BriefDescription": "LLC misses - Uncacheable reads (from cpu) . Derived from unc_c_tor_inserts.miss_opcode",
214 "PublicDescription": "Since occupancy counts can only be captured in the Cbo's 0 counter, this event allows a user to capture occupancy related information by filtering the Cb0 occupancy count captured in Counter 0. The filtering available is found in the control register - threshold, invert and edge detect. E.g. setting threshold to 1 can effectively monitor how many cycles the monitored queue has an entry.",
227 "BriefDescription": "All LLC Misses (code+ data rd + data wr - including demand and prefetch)",
233 "PublicDescription": "Counts the number of times the LLC was accessed - this includes code, data, prefetches and hints coming from L2. This has numerous filters available. Note the non-standard filtering equation. This event will count requests that lookup the cache multiple times with multiple increments. One must ALWAYS set umask bit 0 and select a state or states to match. Otherwise, the event will count nothing. CBoGlCtrl[22:18] bits correspond to [FMESI] state.; Filters for any transaction originating from the IPQ or IRQ. This does not include lookups originating from the ISMQ.",
244 "PublicDescription": "Counts the number of times the LLC was accessed - this includes code, data, prefetches and hints coming from L2. This has numerous filters available. Note the non-standard filtering equation. This event will count requests that lookup the cache multiple times with multiple increments. One must ALWAYS set umask bit 0 and select a state or states to match. Otherwise, the event will count nothing. CBoGlCtrl[22:18] bits correspond to [FMESI] state.; Read transactions",
254 "PublicDescription": "Counts the number of times the LLC was accessed - thi
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/linux/tools/perf/pmu-events/arch/x86/broadwellde/
H A Duncore-cache.json23 "PublicDescription": "Since occupancy counts can only be captured in the Cbo's 0 counter, this event allows a user to capture occupancy related information by filtering the Cb0 occupancy count captured in Counter 0. The filtering available is found in the control register - threshold, invert and edge detect. E.g. setting threshold to 1 can effectively monitor how many cycles the monitored queue has an entry.",
41 "PublicDescription": "Counts the number of times the LLC was accessed - this includes code, data, prefetches and hints coming from L2. This has numerous filters available. Note the non-standard filtering equation. This event will count requests that lookup the cache multiple times with multiple increments. One must ALWAYS set umask bit 0 and select a state or states to match. Otherwise, the event will count nothing. CBoGlCtrl[22:18] bits correspond to [FMESI] state.; Filters for any transaction originating from the IPQ or IRQ. This does not include lookups originating from the ISMQ.",
51 "PublicDescription": "Counts the number of times the LLC was accessed - this includes code, data, prefetches and hints coming from L2. This has numerous filters available. Note the non-standard filtering equation. This event will count requests that lookup the cache multiple times with multiple increments. One must ALWAYS set umask bit 0 and select a state or states to match. Otherwise, the event will count nothing. CBoGlCtrl[22:18] bits correspond to [FMESI] state.; Read transactions",
61 "PublicDescription": "Counts the number of times the LLC was accessed - this includes code, data, prefetches and hints coming from L2. This has numerous filters available. Note the non-standard filtering equation. This event will count requests that lookup the cache multiple times with multiple increments. One must ALWAYS set umask bit 0 and select a state or states to match. Otherwise, the event will count nothing. CBoGlCtrl[22:18] bits correspond to [FMESI] state.; Qualify one of the other subevents by the Target NID. The NID is programmed in Cn_MSR_PMON_BOX_FILTER.nid. In conjunction with STATE = I, it is possible to monitor misses to specific NIDs in the system.",
71 "PublicDescription": "Counts the number of times the LLC was accessed - this includes code, data, prefetches and hints coming from L2. This has numerous filters available. Note the non-standard filtering equation. This event will count requests that lookup the cache multiple times with multiple increments. One must ALWAYS set umask bit 0 and select a state or states to match. Otherwise, the event will count nothing. CBoGlCtrl[22:18] bits correspond to [FMESI] state.; Read transactions",
81 "PublicDescription": "Counts the number of times the LLC was accessed - thi
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/linux/drivers/tty/vt/
H A Ducs_width_table.h_shipped1 /* SPDX-License-Identifier: GPL-2.0 */
3 * ucs_width_table.h - Unicode character width
5 * Auto-generated by gen_ucs_width_table.py
10 /* Zero-width character ranges (BMP - Basic Multilingual Plane, U+0000 to U+FFFF) */
13 { 0x0300, 0x036F }, /* COMBINING GRAVE ACCENT - COMBINING LATIN SMALL LETTER X */
14 { 0x0483, 0x0489 }, /* COMBINING CYRILLIC TITLO - COMBINING CYRILLIC MILLIONS SIGN */
15 { 0x0591, 0x05BD }, /* HEBREW ACCENT ETNAHTA - HEBREW POINT METEG */
17 { 0x05C1, 0x05C2 }, /* HEBREW POINT SHIN DOT - HEBREW POINT SIN DOT */
18 { 0x05C4, 0x05C5 }, /* HEBREW MARK UPPER DOT - HEBREW MARK LOWER DOT */
20 { 0x0600, 0x0605 }, /* ARABIC NUMBER SIGN - ARABIC NUMBER MARK ABOVE */
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/linux/drivers/firmware/arm_scmi/
H A Dnotify.c1 // SPDX-License-Identifier: GPL-2.0
5 * Copyright (C) 2020-2021 ARM Ltd.
36 * All users provided callbacks and allocated notification-chains are stored in
44 * hash-keys.
54 * pushes the event-data itself on a protocol-dedicated kfifo queue for further
59 * queued items into the proper notification-chain: notifications processing can
65 * conveyed, converted into a custom per-event report struct, as the void *data
73 #define dev_fmt(fmt) "SCMI Notifications - " fmt
74 #define pr_fmt(fmt) "SCMI Notifications - " fmt
102 #define NOTIF_UNSUPP -1
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/linux/tools/perf/pmu-events/arch/x86/ivytown/
H A Duncore-cache.json15 …ed in Counter 0. The filtering available is found in the control register - threshold, invert an…
24 … LLC was accessed - this includes code, data, prefetches and hints coming from L2. This has numer…
34 … LLC was accessed - this includes code, data, prefetches and hints coming from L2. This has numer…
44 … LLC was accessed - this includes code, data, prefetches and hints coming from L2. This has numer…
54 … LLC was accessed - this includes code, data, prefetches and hints coming from L2. This has numer…
64 …- this includes code, data, prefetches and hints coming from L2. This has numerous filters availa…
209 "BriefDescription": "LRU Queue; Non-0 Aged Victim",
214 "PublicDescription": "How often we picked a victim that had a non-zero age",
224 …T -- a clockwise ring and a counter-clockwise ring. On the left side of the ring, the UP directio…
234 …T -- a clockwise ring and a counter-clockwise ring. On the left side of the ring, the UP directio…
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/linux/drivers/net/ethernet/intel/igbvf/
H A Dnetdev.c1 // SPDX-License-Identifier: GPL-2.0
2 /* Copyright(c) 2009 - 2018 Intel Corporation. */
31 "Copyright (c) 2009 - 2012 Intel Corporation.";
34 static int debug = -1;
63 * igbvf_desc_unused - calculate if we have unused descriptors
68 if (ring->next_to_clean > ring->next_to_use) in igbvf_desc_unused()
69 return ring->next_to_clean - ring->next_to_use - 1; in igbvf_desc_unused()
71 return ring->count + ring->next_to_clean - ring->next_to_use - 1; in igbvf_desc_unused()
75 * igbvf_receive_skb - helper function to handle Rx indications
91 if ((adapter->flags & IGBVF_FLAG_RX_LB_VLAN_BSWAP) && in igbvf_receive_skb()
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/linux/drivers/net/ethernet/intel/fm10k/
H A Dfm10k_pci.c1 // SPDX-License-Identifier: GPL-2.0
2 /* Copyright(c) 2013 - 2019 Intel Corporation. */
15 * fm10k_pci_tbl - PCI Device ID Table
35 struct fm10k_intfc *interface = hw->back; in fm10k_read_pci_cfg_word()
38 if (FM10K_REMOVED(hw->hw_addr)) in fm10k_read_pci_cfg_word()
41 pci_read_config_word(interface->pdev, reg, &value); in fm10k_read_pci_cfg_word()
50 u32 __iomem *hw_addr = READ_ONCE(hw->hw_addr); in fm10k_read_reg()
58 struct fm10k_intfc *interface = hw->back; in fm10k_read_reg()
59 struct net_device *netdev = interface->netdev; in fm10k_read_reg()
61 hw->hw_addr = NULL; in fm10k_read_reg()
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H A Dfm10k_mbx.c1 // SPDX-License-Identifier: GPL-2.0
2 /* Copyright(c) 2013 - 2019 Intel Corporation. */
7 * fm10k_fifo_init - Initialize a message FIFO
10 * @size: maximum message size to store in FIFO, must be 2^n - 1
14 fifo->buffer = buffer; in fm10k_fifo_init()
15 fifo->size = size; in fm10k_fifo_init()
16 fifo->head = 0; in fm10k_fifo_init()
17 fifo->tail = 0; in fm10k_fifo_init()
21 * fm10k_fifo_used - Retrieve used space in FIFO
28 return fifo->tail - fifo->head; in fm10k_fifo_used()
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/linux/drivers/net/ethernet/atheros/atl1e/
H A Datl1e_main.c1 // SPDX-License-Identifier: GPL-2.0-or-later
6 * Copyright(c) 1999 - 2005 Intel Corporation. All rights reserved.
14 * atl1e_pci_tbl - PCI Device ID Table
76 * atl1e_irq_enable - Enable default interrupt generation settings
81 if (likely(atomic_dec_and_test(&adapter->irq_sem))) { in atl1e_irq_enable()
82 AT_WRITE_REG(&adapter->hw, REG_ISR, 0); in atl1e_irq_enable()
83 AT_WRITE_REG(&adapter->hw, REG_IMR, IMR_NORMAL_MASK); in atl1e_irq_enable()
84 AT_WRITE_FLUSH(&adapter->hw); in atl1e_irq_enable()
89 * atl1e_irq_disable - Mask off interrupt generation on the NIC
94 atomic_inc(&adapter->irq_sem); in atl1e_irq_disable()
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/linux/drivers/net/ethernet/atheros/atl1c/
H A Datl1c_main.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * Copyright(c) 2008 - 2009 Atheros Corporation. All rights reserved.
6 * Copyright(c) 1999 - 2005 Intel Corporation. All rights reserved.
14 * atl1c_pci_tbl - PCI Device ID Table
98 if (hw->nic_type == athr_l1c || hw->nic_type == athr_l2c) { in atl1c_pcie_patch()
108 if (hw->nic_type == athr_l2c_b && hw->revision_id == L2CB_V10) { in atl1c_pcie_patch()
121 if (hw->nic_type == athr_l2c_b || hw->nic_type == athr_l1d) { in atl1c_pcie_patch()
133 * atl1c_init_pcie - init PCIE module
139 struct pci_dev *pdev = hw->adapter->pdev; in atl1c_reset_pcie()
153 /* wol sts read-clear */ in atl1c_reset_pcie()
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/linux/drivers/net/ethernet/intel/ixgbevf/
H A Dixgbevf_main.c1 // SPDX-License-Identifier: GPL-2.0
2 /* Copyright(c) 1999 - 2024 Intel Corporation. */
5 Copyright (c)2006 - 2007 Myricom, Inc. for some LRO specific code
42 "Copyright (c) 2009 - 2024 Intel Corporation.";
58 /* ixgbevf_pci_tbl - PCI Device ID Table
88 static int debug = -1;
96 if (!test_bit(__IXGBEVF_DOWN, &adapter->state) && in ixgbevf_service_event_schedule()
97 !test_bit(__IXGBEVF_REMOVING, &adapter->state) && in ixgbevf_service_event_schedule()
98 !test_and_set_bit(__IXGBEVF_SERVICE_SCHED, &adapter->state)) in ixgbevf_service_event_schedule()
99 queue_work(ixgbevf_wq, &adapter->service_task); in ixgbevf_service_event_schedule()
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/linux/drivers/gpu/drm/amd/display/dc/dce110/
H A Ddce110_timing_generator.c2 * Copyright 2012-15 Advanced Micro Devices, Inc.
4 * Permission is hereby granted, free of charge, to any person obtaining a
48 #define CRTC_REG(reg) (reg + tg110->offsets.crtc)
49 #define DCP_REG(reg) (reg + tg110->offsets.dcp)
51 /* Flowing register offsets are same in files of
69 if (timing->flags.INTERLACE == 1) { in dce110_timing_generator_apply_front_porch_workaround()
70 if (timing->v_front_porch < 2) in dce110_timing_generator_apply_front_porch_workaround()
71 timing->v_front_porch = 2; in dce110_timing_generator_apply_front_porch_workaround()
73 if (timing->v_front_porch < 1) in dce110_timing_generator_apply_front_porch_workaround()
74 timing->v_front_porch = 1; in dce110_timing_generator_apply_front_porch_workaround()
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/linux/include/net/
H A Dmac80211.h1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * mac80211 <-> driver interface
5 * Copyright 2002-2005, Devicescape Software, Inc.
6 * Copyright 2006-2007 Jiri Benc <jbenc@suse.cz>
7 * Copyright 2007-2010 Johannes Berg <johannes@sipsolutions.net>
8 * Copyright 2013-2014 Intel Mobile Communications GmbH
9 * Copyright (C) 2015 - 201
7050 void (*free)(void *priv); global() member
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/linux/drivers/net/ethernet/intel/igb/
H A Digb_main.c1 // SPDX-License-Identifier: GPL-2.0
2 /* Copyright(c) 2007 - 2018 Intel Corporation. */
56 "Copyright (c) 2007-2014 Intel Corporation.";
208 static int debug = -1;
253 /* igb_regdump - register printout routine */
260 switch (reginfo->ofs) { in igb_regdump()
310 pr_info("%-15s %08x\n", reginfo->name, rd32(reginfo->ofs)); in igb_regdump()
314 snprintf(rname, 16, "%s%s", reginfo->name, "[0-3]"); in igb_regdump()
315 pr_info("%-15s %08x %08x %08x %08x\n", rname, regs[0], regs[1], in igb_regdump()
319 /* igb_dump - Print registers, Tx-rings and Rx-rings */
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/linux/drivers/net/ethernet/neterion/
H A Ds2io.c2 * s2io.c: A Linux PCI-X Ethernet driver for Neterion 10GbE Server NIC
3 * Copyright(c) 2002-2010 Exar Corp.
47 * Default is '2' - which means disable in promisc mode
48 * and enable in non-promiscuous mode.
60 #include <linux/dma-mapping.h>
78 #include <linux/io-64-nonatomic-lo-hi.h>
89 #include "s2io-regs.h"
104 ret = ((!(rxdp->Control_1 & RXD_OWN_XENA)) && in RXD_IS_UP2DT()
105 (GET_RXD_MARKER(rxdp->Control_2) != THE_RXD_MARK)); in RXD_IS_UP2DT()
125 return test_bit(__S2IO_STATE_CARD_UP, &sp->state); in is_s2io_card_up()
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