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/Linux-v6.1/drivers/target/
Dtarget_core_fabric_configfs.c1 // SPDX-License-Identifier: GPL-2.0-or-later
8 * (c) Copyright 2010-2013 Datera, Inc.
10 * Nicholas A. Bellinger <nab@linux-iscsi.org>
37 static void target_fabric_setup_##_name##_cit(struct target_fabric_configfs *tf) \
39 struct config_item_type *cit = &tf->tf_##_name##_cit; \
41 cit->ct_item_ops = _item_ops; \
42 cit->ct_group_ops = _group_ops; \
43 cit->ct_attrs = _attrs; \
44 cit->ct_owner = tf->tf_ops->module; \
49 static void target_fabric_setup_##_name##_cit(struct target_fabric_configfs *tf) \
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/Linux-v6.1/drivers/ata/
Dsata_svw.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * sata_svw.c - ServerWorks / Apple K2 SATA
7 * Please ALWAYS copy linux-ide@vger.kernel.org
14 * This driver probably works with non-Apple versions of the
18 * as Documentation/driver-api/libata.rst
40 /* ap->flags bits */
84 u8 cmnd = qc->scsicmd->cmnd[0]; in k2_sata_check_atapi_dma()
86 if (qc->ap->flags & K2_FLAG_NO_ATAPI_DMA) in k2_sata_check_atapi_dma()
87 return -1; /* ATAPI DMA not supported */ in k2_sata_check_atapi_dma()
99 return -1; in k2_sata_check_atapi_dma()
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Dlibata-scsi.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * libata-scsi.c - helper library for ATA
5 * Copyright 2003-2004 Red Hat, Inc. All rights reserved.
6 * Copyright 2003-2004 Jeff Garzik
9 * as Documentation/driver-api/libata.rst
12 * - http://www.t10.org/
13 * - http://www.t13.org/
38 #include "libata-transport.h"
62 RW_RECOVERY_MPAGE_LEN - 2,
72 CACHE_MPAGE_LEN - 2,
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Dlibata-acpi.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * libata-acpi.c
26 …fermode, 0x2=lock/freeze lock, 0x4=DIPM, 0x8=FPDMA non-zero offset, 0x10=FPDMA DMA Setup FIS auto-…
33 u8 tf[REGS_PER_GTF]; /* regs. 0x1f1 - 0x1f7 */ member
38 kfree(dev->gtf_cache); in ata_acpi_clear_gtf()
39 dev->gtf_cache = NULL; in ata_acpi_clear_gtf()
50 #define ata_hotplug_data(context) (container_of((context), struct ata_acpi_hotplug_context, hp)->da…
53 * ata_dev_acpi_handle - provide the acpi_handle for an ata_device
62 return dev->flags & ATA_DFLAG_ACPI_DISABLED ? in ata_dev_acpi_handle()
63 NULL : ACPI_HANDLE(&dev->tdev); in ata_dev_acpi_handle()
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Dpata_octeon_cf.c8 * Copyright (C) 2005 - 2012 Cavium Inc.
30 * -- 8 bits no irq, no DMA
31 * -- 16 bits no irq, no DMA
32 * -- 16 bits True IDE mode with DMA, but no irq.
127 struct octeon_cf_port *cf_port = ap->private_data; in octeon_cf_set_piomode()
140 * A divisor value of four will overflow the timing fields at in octeon_cf_set_piomode()
149 BUG_ON(ata_timing_compute(dev, dev->pio_mode, &timing, T, T)); in octeon_cf_set_piomode()
153 t2--; in octeon_cf_set_piomode()
157 trh--; in octeon_cf_set_piomode()
159 pause = (int)timing.cycle - (int)timing.active - in octeon_cf_set_piomode()
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Dlibata-sff.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * libata-sff.c - helper library for PCI IDE BMDMA
5 * Copyright 2003-2006 Red Hat, Inc. All rights reserved.
6 * Copyright 2003-2006 Jeff Garzik
9 * as Documentation/driver-api/libata.rst
12 * http://www.sata-io.org/
54 * ata_sff_check_status - Read device status reg & clear interrupt
57 * Reads ATA taskfile status register for currently-selected device
66 return ioread8(ap->ioaddr.status_addr); in ata_sff_check_status()
71 * ata_sff_altstatus - Read device alternate status reg
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Dpata_ns87415.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * pata_ns87415.c - NS87415 (and PARISC SUPERIO 87560) PATA
7 * This is a fairly generic MWDMA controller. It has some limitations
11 * This driver assumes the firmware has left the chip in a valid ST506
39 * ns87415_set_mode - Initialize host controller mode timings
54 struct pci_dev *dev = to_pci_dev(ap->host->dev); in ns87415_set_mode()
55 int unit = 2 * ap->port_no + adev->devno; in ns87415_set_mode()
63 /* Timing register format is 17 - low nybble read timing with in ns87415_set_mode()
64 the high nybble being 16 - x for recovery time in PCI clocks */ in ns87415_set_mode()
66 ata_timing_compute(adev, adev->pio_mode, &t, T, 0); in ns87415_set_mode()
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Dsata_vsc.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * sata_vsc.c - Vitesse VSC7174 4 port DPA SATA
6 * Please ALWAYS copy linux-ide@vger.kernel.org
14 * as Documentation/driver-api/libata.rst
27 #include <linux/dma-mapping.h>
88 return -EINVAL; in vsc_sata_scr_read()
89 *val = readl(link->ap->ioaddr.scr_addr + (sc_reg * 4)); in vsc_sata_scr_read()
98 return -EINVAL; in vsc_sata_scr_write()
99 writel(val, link->ap->ioaddr.scr_addr + (sc_reg * 4)); in vsc_sata_scr_write()
108 mask_addr = ap->host->iomap[VSC_MMIO_BAR] + in vsc_freeze()
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Dlibata-sata.c1 // SPDX-License-Identifier: GPL-2.0-or-later
5 * Copyright 2003-2004 Red Hat, Inc. All rights reserved.
6 * Copyright 2003-2004 Jeff Garzik
17 #include "libata-transport.h"
28 * sata_scr_valid - test whether SCRs are accessible
41 struct ata_port *ap = link->ap; in sata_scr_valid()
43 return (ap->flags & ATA_FLAG_SATA) && ap->ops->scr_read; in sata_scr_valid()
48 * sata_scr_read - read SCR register of the specified port
54 * guaranteed to succeed if @link is ap->link, the cable type of
55 * the port is SATA and the port implements ->scr_read.
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Dlibata-core.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * libata-core.c - helper library for ATA
5 * Copyright 2003-2004 Red Hat, Inc. All rights reserved.
6 * Copyright 2003-2004 Jeff Garzik
9 * as Documentation/driver-api/libata.rst
12 * http://www.sata-io.org/
16 * http://www.t10.org (SCSI MMC - for ATAPI MMC)
17 * http://www.sata-io.org (SATA)
19 * http://www.qic.org (QIC157 - Tape and DSC)
20 * http://www.ce-ata.org (CE-ATA: not supported)
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Dpata_ep93xx.c1 // SPDX-License-Identifier: GPL-2.0-only
12 * DMA engine support based on spi-ep93xx.c by Mika Westerberg.
21 * Heavily based on the ep93xx-ide.c driver:
47 #include <linux/platform_data/dma-ep93xx.h>
50 #define DRV_NAME "ep93xx-ide"
68 * ORed to the IDECTRL register, hence giving directly the A[2:0] and
166 * of HCLK cycles to hold the data bus after a PIO write operation.
200 * Based on delay loop found in mach-pxa/mp900.c.
223 * tA = 35ns after activation of DIOR-/DIOW-. Maximum IORDY pulse in ep93xx_pata_wait_for_iordy()
227 * DIOR-/DIOW-, so we set timeout to (1250 + 35) / 25 - t2 additional in ep93xx_pata_wait_for_iordy()
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Dsata_inic162x.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * sata_inic162x.c - Driver for Initio 162x SATA controllers
25 * from the documentation and a 2.4 IDE driver posted on a Taiwan
30 * After a while, initio picked the driver up, renamed it to
41 * issues tho. Result Tf is not resported properly, NCQ isn't
46 * Anyways, so, here's finally a working driver for inic162x. Enjoy!
48 * initio: If you guys wanna improve the driver regarding result TF
83 /* registers for ATA TF operation */
255 .max_segment_size = 65536 - 512,
266 struct inic_host_priv *hpriv = ap->host->private_data; in inic_port_base()
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Dpata_samsung_cf.c1 // SPDX-License-Identifier: GPL-2.0-only
24 #include <linux/platform_data/ata-samsung_cf.h>
59 * struct s3c_ide_info - S3C PATA instance.
85 /* Select true-ide as the internal operating mode */ in pata_s3c_cfg_mode()
93 int t1 = ata->setup; in pata_s3c_setup_timing()
94 int t2 = ata->act8b; in pata_s3c_setup_timing()
95 int t2i = ata->rec8b; in pata_s3c_setup_timing()
105 struct s3c_ide_info *info = ap->host->private_data; in pata_s3c_set_piomode()
108 ulong ata_cfg = readl(info->ide_addr + S3C_ATA_CFG); in pata_s3c_set_piomode()
117 cycle_time = (int)(1000000000UL / clk_get_rate(info->clk)); in pata_s3c_set_piomode()
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Dsata_rcar.c1 // SPDX-License-Identifier: GPL-2.0+
3 * Renesas R-Car SATA driver
6 * Copyright (C) 2013-2015 Cogent Embedded, Inc.
7 * Copyright (C) 2013-2015 Renesas Solutions Corp.
21 /* SH-Navi2G/ATAPI module compatible control registers */
82 /* Serial-ATA HOST control registers */
155 void __iomem *base = priv->base; in sata_rcar_gen1_phy_preinit()
169 void __iomem *base = priv->base; in sata_rcar_gen1_phy_write()
208 void __iomem *base = priv->base; in sata_rcar_gen2_phy_init()
220 struct sata_rcar_priv *priv = ap->host->private_data; in sata_rcar_freeze()
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/Linux-v6.1/tools/testing/selftests/x86/
Dsingle_step_syscall.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * single_step_syscall.c - single-steps various x86 syscalls
4 * Copyright (c) 2014-2015 Andrew Lutomirski
6 * This is a very simple series of tests that makes system calls with
7 * the TF flag set. This exercises some nasty kernel code in the
8 * SYSENTER case: SYSENTER does not clear TF, so SYSENTER with TF set
77 printf("[WARN]\tSIGTRAP handler had TF set\n"); in sigtrap()
86 (unsigned long)info->si_addr, in sigtrap()
87 (unsigned long)ctx->uc_mcontext.gregs[REG_IP]); in sigtrap()
102 printf("\tGot %s with RIP=%lx, TF=%ld\n", signames[sig], in print_and_longjmp()
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Dsyscall_nt.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * syscall_nt.c - checks syscalls with NT set
4 * Copyright (c) 2014-2015 Andrew Lutomirski
6 * Some obscure user-space code requires the ability to make system calls
56 printf("[RUN]\tSet NT and issue a syscall\n"); in main()
59 printf("[RUN]\tSet AC and issue a syscall\n"); in main()
62 printf("[RUN]\tSet NT|AC and issue a syscall\n"); in main()
66 * Now try it again with TF set -- TF forces returns via IRET in all in main()
67 * cases except non-ptregs-using 64-bit full fast path syscalls. in main()
72 printf("[RUN]\tSet TF and issue a syscall\n"); in main()
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/Linux-v6.1/drivers/gpu/drm/i915/selftests/
Dlib_sw_fence.c4 * Permission is hereby granted, free of charge, to any person obtaining a
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
41 __init_waitqueue_head(&fence->wait, name, key); in __onstack_fence_init()
42 atomic_set(&fence->pending, 1); in __onstack_fence_init()
43 fence->error = 0; in __onstack_fence_init()
44 fence->fn = nop_fence_notify; in __onstack_fence_init()
49 if (!fence->fn) in onstack_fence_fini()
58 struct timed_fence *tf = from_timer(tf, t, timer); in timed_fence_wake() local
60 i915_sw_fence_commit(&tf->fence); in timed_fence_wake()
63 void timed_fence_init(struct timed_fence *tf, unsigned long expires) in timed_fence_init() argument
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/Linux-v6.1/net/mac80211/
Dtdls.c1 // SPDX-License-Identifier: GPL-2.0-only
5 * Copyright 2006-2010 Johannes Berg <johannes@sipsolutions.net>
8 * Copyright 2015 - 2016 Intel Deutschland GmbH
9 * Copyright (C) 2019, 2021-2022 Intel Corporation
17 #include "driver-ops.h"
31 local = sdata->local; in ieee80211_tdls_peer_del_work()
33 mutex_lock(&local->mtx); in ieee80211_tdls_peer_del_work()
34 if (!is_zero_ether_addr(sdata->u.mgd.tdls_peer)) { in ieee80211_tdls_peer_del_work()
35 tdls_dbg(sdata, "TDLS del peer %pM\n", sdata->u.mgd.tdls_peer); in ieee80211_tdls_peer_del_work()
36 sta_info_destroy_addr(sdata, sdata->u.mgd.tdls_peer); in ieee80211_tdls_peer_del_work()
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/Linux-v6.1/arch/x86/kernel/
Dstep.c1 // SPDX-License-Identifier: GPL-2.0
3 * x86 single-step support code, common to 32-bit and 64-bit.
16 addr = regs->ip; in convert_ip_to_linear()
17 seg = regs->cs; in convert_ip_to_linear()
26 * are all zero-based. That is largely true: the in convert_ip_to_linear()
36 mutex_lock(&child->mm->context.lock); in convert_ip_to_linear()
37 if (unlikely(!child->mm->context.ldt || in convert_ip_to_linear()
38 seg >= child->mm->context.ldt->nr_entries)) in convert_ip_to_linear()
39 addr = -1L; /* bogus selector, access would fault */ in convert_ip_to_linear()
41 desc = &child->mm->context.ldt->entries[seg]; in convert_ip_to_linear()
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/Linux-v6.1/drivers/staging/vt6655/
Drf.c1 // SPDX-License-Identifier: GPL-2.0+
13 * IFRFbWriteEmbedded - Embedded write RF register via MAC
55 0x03F79000 + (BY_AL2230_REG_LEN << 3) + IFREGCTL_REGW, /* channel = 1, Tf = 2412MHz */
56 0x03F79000 + (BY_AL2230_REG_LEN << 3) + IFREGCTL_REGW, /* channel = 2, Tf = 2417MHz */
57 0x03E79000 + (BY_AL2230_REG_LEN << 3) + IFREGCTL_REGW, /* channel = 3, Tf = 2422MHz */
58 0x03E79000 + (BY_AL2230_REG_LEN << 3) + IFREGCTL_REGW, /* channel = 4, Tf = 2427MHz */
59 0x03F7A000 + (BY_AL2230_REG_LEN << 3) + IFREGCTL_REGW, /* channel = 5, Tf = 2432MHz */
60 0x03F7A000 + (BY_AL2230_REG_LEN << 3) + IFREGCTL_REGW, /* channel = 6, Tf = 2437MHz */
61 0x03E7A000 + (BY_AL2230_REG_LEN << 3) + IFREGCTL_REGW, /* channel = 7, Tf = 2442MHz */
62 0x03E7A000 + (BY_AL2230_REG_LEN << 3) + IFREGCTL_REGW, /* channel = 8, Tf = 2447MHz */
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/Linux-v6.1/include/trace/events/
Dlibata.h1 /* SPDX-License-Identifier: GPL-2.0 */
167 #define __parse_eh_action(a) libata_trace_parse_eh_action(p, a) argument
210 __entry->ata_port = qc->ap->print_id;
211 __entry->ata_dev = qc->dev->link->pmp + qc->dev->devno;
212 __entry->tag = qc->tag;
213 __entry->proto = qc->tf.protocol;
214 __entry->cmd = qc->tf.command;
215 __entry->dev = qc->tf.device;
216 __entry->lbal = qc->tf.lbal;
217 __entry->lbam = qc->tf.lbam;
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/Linux-v6.1/kernel/
Dwatch_queue.c1 // SPDX-License-Identifier: GPL-2.0
7 * See Documentation/core-api/watch_queue.rst
38 * This must be called under the RCU read-lock, which makes
45 spin_lock_bh(&wqueue->lock); in lock_wqueue()
46 if (unlikely(wqueue->defunct)) { in lock_wqueue()
47 spin_unlock_bh(&wqueue->lock); in lock_wqueue()
55 spin_unlock_bh(&wqueue->lock); in unlock_wqueue()
61 struct watch_queue *wqueue = (struct watch_queue *)buf->private; in watch_queue_pipe_buf_release()
69 bit = buf->offset + buf->len; in watch_queue_pipe_buf_release()
70 if ((bit & (WATCH_QUEUE_NOTE_SIZE - 1)) == 0) in watch_queue_pipe_buf_release()
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/Linux-v6.1/drivers/thunderbolt/
Ddma_test.c1 // SPDX-License-Identifier: GPL-2.0
70 * struct dma_test - DMA test device driver private data
114 /* DMA test property directory UUID: 3188cd10-6523-4a5a-a682-fdca07a248d8 */
124 if (dt->rx_ring) { in dma_test_free_rings()
125 tb_xdomain_release_in_hopid(dt->xd, dt->rx_hopid); in dma_test_free_rings()
126 tb_ring_free(dt->rx_ring); in dma_test_free_rings()
127 dt->rx_ring = NULL; in dma_test_free_rings()
129 if (dt->tx_ring) { in dma_test_free_rings()
130 tb_xdomain_release_out_hopid(dt->xd, dt->tx_hopid); in dma_test_free_rings()
131 tb_ring_free(dt->tx_ring); in dma_test_free_rings()
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/Linux-v6.1/Documentation/admin-guide/pm/
Dintel-speed-select.rst1 .. SPDX-License-Identifier: GPL-2.0
7 The Intel(R) Speed Select Technology (Intel(R) SST) provides a powerful new
9 With Intel(R) SST, one server can be configured for power and performance for a
14 - https://www.intel.com/content/www/us/en/architecture-and-technology/speed-select-technology-artic…
15 - https://builders.intel.com/docs/networkbuilders/intel-speed-select-technology-base-frequency-enha…
19 dynamically without pre-configuring via BIOS setup options. This dynamic
29 intel-speed-select configuration tool
32 Most Linux distribution packages may include the "intel-speed-select" tool. If not,
38 # cd tools/power/x86/intel-speed-select/
43 ------------
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/Linux-v6.1/drivers/net/
Dthunderbolt.c1 // SPDX-License-Identifier: GPL-2.0
40 (TBNET_FRAME_SIZE - sizeof(struct thunderbolt_ip_frame_header))
50 * struct thunderbolt_ip_frame_header - Header for each Thunderbolt frame
54 * @frame_count: how many frames assembles a full packet
56 * Each data frame passed to the high-speed DMA ring has this header. If
147 * struct tbnet - ThunderboltIP network driver private data
170 * @rx_hdr: Copy of the currently processed Rx frame. Used when a
202 /* Network property directory UUID: c66189ca-1cce-4195-bdb8-49592e5f5a4f */
207 /* ThunderboltIP protocol UUID: 798f589e-3616-8a47-97c6-5664a920c8dd */
216 MODULE_PARM_DESC(e2e, "USB4NET full end-to-end flow control (default: true)");
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