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/linux-5.10/drivers/net/ethernet/google/gve/
Dgve.h1 /* SPDX-License-Identifier: (GPL-2.0 OR MIT)
4 * Copyright (C) 2015-2019 Google, Inc.
10 #include <linux/dma-mapping.h>
75 /* An RX ring that contains a power-of-two sized desc and data ring. */
80 u64 rbytes; /* free-running bytes received */
81 u64 rpackets; /* free-running packets received */
82 u32 cnt; /* free-running total number of completed packets */
83 u32 fill_cnt; /* free-running total number of descs and buffs posted */
85 u64 rx_copybreak_pkt; /* free-running count of copybreak packets */
86 u64 rx_copied_pkt; /* free-running total number of copied packets */
[all …]
/linux-5.10/drivers/video/fbdev/
Dpxa3xx-gcu.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * pxa3xx-gcu.c - Linux kernel module for PXA3xx graphics controllers
22 #include <linux/dma-mapping.h>
36 #include "pxa3xx-gcu.h"
38 #define DRV_NAME "pxa3xx-gcu"
97 struct pxa3xx_gcu_batch *free; member
100 struct pxa3xx_gcu_batch *running; member
106 return __raw_readl(priv->mmio_base + off); in gc_readl()
112 __raw_writel(val, priv->mmio_base + off); in gc_writel()
118 struct pxa3xx_gcu_shared *shared = priv->shared; \
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/linux-5.10/arch/x86/events/intel/
Duncore.h1 /* SPDX-License-Identifier: GPL-2.0 */
5 #include <linux/io-64-nonatomic-lo-hi.h>
154 /* event config registers are 8-byte apart */
227 if (offset < box->pmu->type->mmio_map_size) in uncore_mmio_is_valid_offset()
231 offset, box->pmu->type->name); in uncore_mmio_is_valid_offset()
239 return box->pmu->type->box_ctl + in uncore_mmio_box_ctl()
240 box->pmu->type->mmio_offset * box->pmu->pmu_idx; in uncore_mmio_box_ctl()
245 return box->pmu->type->box_ctl; in uncore_pci_box_ctl()
250 return box->pmu->type->fixed_ctl; in uncore_pci_fixed_ctl()
255 return box->pmu->type->fixed_ctr; in uncore_pci_fixed_ctr()
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/linux-5.10/drivers/input/serio/
Duserio.c6 * This program is free software; you can redistribute it and/or modify it
8 * the Free Software Foundation; either version 2 of the License, or (at
39 bool running; member
51 * userio_device_write - Write data from serio to a userio device in userspace
57 struct userio_device *userio = id->port_data; in userio_device_write()
60 spin_lock_irqsave(&userio->buf_lock, flags); in userio_device_write()
62 userio->buf[userio->head] = val; in userio_device_write()
63 userio->head = (userio->head + 1) % USERIO_BUFSIZE; in userio_device_write()
65 if (userio->head == userio->tail) in userio_device_write()
69 spin_unlock_irqrestore(&userio->buf_lock, flags); in userio_device_write()
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/linux-5.10/tools/testing/selftests/media_tests/
Dmedia_device_test.c1 // SPDX-License-Identifier: GPL-2.0
4 * media_device_test.c - Media Controller Device ioctl loop Test
23 * sudo ./media_device_test -d /dev/mediaX
25 * While test is running, remove the device and
26 * ensure there are no use after free errors and
28 * config option for use-after-free error detection.
54 printf("Usage: %s [-d </dev/mediaX>]\n", argv[0]); in main()
55 exit(-1); in main()
59 while ((opt = getopt(argc, argv, "d:")) != -1) { in main()
62 strncpy(media_device, optarg, sizeof(media_device) - 1); in main()
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Dvideo_device_test.c1 // SPDX-License-Identifier: GPL-2.0
4 * video_device_test - Video Device Test
20 * sudo ./video_device_test -d /dev/videoX
22 * While test is running, remove the device or unbind the driver and
23 * ensure there are no use after free errors and other Oops in the
25 * When possible, enable KaSan kernel config option for use-after-free
51 printf("Usage: %s [-d </dev/videoX>]\n", argv[0]); in main()
52 exit(-1); in main()
56 while ((opt = getopt(argc, argv, "d:")) != -1) { in main()
59 strncpy(video_dev, optarg, sizeof(video_dev) - 1); in main()
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/linux-5.10/drivers/dma/sh/
Drcar-dmac.c1 // SPDX-License-Identifier: GPL-2.0
3 * Renesas R-Car Gen2/Gen3 DMA Controller Driver
5 * Copyright (C) 2014-2019 Renesas Electronics Inc.
11 #include <linux/dma-mapping.h>
28 * struct rcar_dmac_xfer_chunk - Descriptor for a hardware transfer
43 * struct rcar_dmac_hw_desc - Hardware descriptor for a transfer chunk
56 * struct rcar_dmac_desc - R-Car Gen2 DMA Transfer Descriptor
63 * @running: the transfer chunk being currently processed
80 struct rcar_dmac_xfer_chunk *running; member
97 * struct rcar_dmac_desc_page - One page worth of descriptors
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/linux-5.10/Documentation/devicetree/bindings/timer/
Dbrcm,bcm2835-system-timer.txt3 The System Timer peripheral provides four 32-bit timer channels and a
4 single 64-bit free running counter. Each channel has an output compare
6 free running counter values, and generates an interrupt.
10 - compatible : should be "brcm,bcm2835-system-timer"
11 - reg : Specifies base physical address and size of the registers.
12 - interrupts : A list of 4 interrupt sinks; one per timer channel.
13 - clock-frequency : The frequency of the clock that drives the counter, in Hz.
18 compatible = "brcm,bcm2835-system-timer";
21 clock-frequency = <1000000>;
/linux-5.10/drivers/staging/media/atomisp/include/hmm/
Dhmm_common.h1 /* SPDX-License-Identifier: GPL-2.0 */
9 * This program is free software; you can redistribute it and/or
11 * 2 as published by the Free Software Foundation.
76 * sys_size: system mem pool size, being allocated from system at camera running time.
82 * res_cnt: track the mem allocated from reserved pool at camera running time.
83 * tol_cnt: track the total mem used by ISP pipe at camera running time.
/linux-5.10/drivers/clocksource/
Dtimer-orion.c10 * Timer 0 is used as free-running clocksource, while timer 1 is
56 * Free-running clocksource handling.
71 /* setup and enable one-shot timer */ in orion_clkevt_next_event()
90 writel(ticks_per_jiffy - 1, timer_base + TIMER1_RELOAD); in orion_clkevt_set_periodic()
91 writel(ticks_per_jiffy - 1, timer_base + TIMER1_VAL); in orion_clkevt_set_periodic()
127 return -ENXIO; in orion_timer_init()
146 return -EINVAL; in orion_timer_init()
151 /* setup timer0 as free-running clocksource */ in orion_timer_init()
187 TIMER_OF_DECLARE(orion_timer, "marvell,orion-timer", orion_timer_init);
Ddw_apb_timer.c1 // SPDX-License-Identifier: GPL-2.0-only
33 /* 1: periodic, 0:free running. */
51 return readl(timer->base + offs); in apbt_readl()
57 writel(val, timer->base + offs); in apbt_writel()
62 return readl_relaxed(timer->base + offs); in apbt_readl_relaxed()
68 writel_relaxed(val, timer->base + offs); in apbt_writel_relaxed()
80 * dw_apb_clockevent_pause() - stop the clock_event_device from running
86 disable_irq(dw_ced->timer.irq); in dw_apb_clockevent_pause()
87 apbt_disable_int(&dw_ced->timer); in dw_apb_clockevent_pause()
100 if (!evt->event_handler) { in dw_apb_clockevent_irq()
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/linux-5.10/arch/arm/mach-pxa/include/mach/
Dsmemc.h1 /* SPDX-License-Identifier: GPL-2.0-only */
21 #define SXLCR (SMEMC_VIRT + 0x18) /* LCR value to be written to SDRAM-Timing Synchronous Flash */
31 #define BOOT_DEF (SMEMC_VIRT + 0x44) /* Read-Only Boot-Time Register. Contains BOOT_SEL and PKG_SE…
49 #define MECR_NOS (1 << 0) /* Number Of Sockets: 0 -> 1 sock, 1 -> 2 sock */
50 #define MECR_CIT (1 << 1) /* Card Is There: 0 -> no card, 1 -> card inserted */
58 #define MDREFR_K2FREE (1 << 25) /* SDRAM Free-Running Control */
59 #define MDREFR_K1FREE (1 << 24) /* SDRAM Free-Running Control */
60 #define MDREFR_K0FREE (1 << 23) /* SDRAM Free-Running Control */
61 #define MDREFR_SLFRSH (1 << 22) /* SDRAM Self-Refresh Control/Status */
62 #define MDREFR_APD (1 << 20) /* SDRAM/SSRAM Auto-Power-Down Enable */
/linux-5.10/tools/testing/selftests/powerpc/math/
Dfpu_preempt.c1 // SPDX-License-Identifier: GPL-2.0-or-later
38 int running; variable
40 extern void preempt_fpu(double *darray, int *threads_starting, int *running);
50 preempt_fpu(darray, &threads_starting, &running); in preempt_fpu_c()
64 running = true; in test_preempt_fpu()
85 * r5 will have loaded the value of running. in test_preempt_fpu()
87 running = 0; in test_preempt_fpu()
102 free(tids); in test_preempt_fpu()
Dfpu_signal.c1 // SPDX-License-Identifier: GPL-2.0-or-later
36 int running; variable
38 extern long preempt_fpu(double *darray, int *threads_starting, int *running);
44 mcontext_t *mc = &uc->uc_mcontext; in signal_fpu_sig()
48 if (mc->fp_regs[i] != darray[i - 14]) { in signal_fpu_sig()
70 rc = preempt_fpu(darray, &threads_starting, &running); in signal_fpu_c()
85 running = true; in test_signal_fpu()
108 running = 0; in test_signal_fpu()
124 free(tids); in test_signal_fpu()
/linux-5.10/include/uapi/linux/
Dmembarrier.h11 * Permission is hereby granted, free of charge, to any person obtaining a copy
31 * enum membarrier_cmd - membarrier system call command
34 * @MEMBARRIER_CMD_GLOBAL: Execute a memory barrier on all running threads.
36 * is ensured that all running threads have passed
38 * user-space addresses match program order between
40 * (non-running threads are de facto in such a
42 * running on the system. This command returns 0.
44 * Execute a memory barrier on all running threads
48 * is ensured that all running threads have passed
50 * user-space addresses match program order between
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/linux-5.10/tools/testing/selftests/cgroup/
Dtest_freezer.c1 /* SPDX-License-Identifier: GPL-2.0 */
34 return -1; in cg_check_frozen()
42 return -1; in cg_check_frozen()
62 int fd, ret = -1; in cg_prepare_for_wait()
65 if (fd == -1) { in cg_prepare_for_wait()
72 if (ret == -1) { in cg_prepare_for_wait()
75 fd = -1; in cg_prepare_for_wait()
87 int ret = -1; in cg_wait_for()
96 if (ret == -1) { in cg_wait_for()
119 int fd, ret = -1; in cg_enter_and_wait_for_frozen()
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/linux-5.10/drivers/misc/lkdtm/
Dheap.c1 // SPDX-License-Identifier: GPL-2.0
15 * This tries to stay within the next largest power-of-2 kmalloc cache
35 * The slub allocator uses the first word to store the free in lkdtm_WRITE_AFTER_FREE()
37 * allocation to avoid running into the freelist in lkdtm_WRITE_AFTER_FREE()
44 pr_info("Allocated memory %p-%p\n", base, &base[offset * 2]); in lkdtm_WRITE_AFTER_FREE()
62 * the middle of the allocation to store the free pointer, in lkdtm_READ_AFTER_FREE()
64 * avoid running into the freelist. in lkdtm_READ_AFTER_FREE()
83 pr_info("Value in memory before free: %x\n", base[offset]); in lkdtm_READ_AFTER_FREE()
103 pr_info("Unable to allocate free page\n"); in lkdtm_WRITE_BUDDY_AFTER_FREE()
107 pr_info("Writing to the buddy page before free\n"); in lkdtm_WRITE_BUDDY_AFTER_FREE()
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/linux-5.10/drivers/dma/qcom/
Dhidma.c4 * Copyright (c) 2015-2017, The Linux Foundation. All rights reserved.
6 * This program is free software; you can redistribute it and/or modify
8 * only version 2 as published by the Free Software Foundation.
24 * written by Hongjun Chen <hong-jun.chen@freescale.com>.
29 * This program is free software; you can redistribute it and/or modify it
30 * under the terms of the GNU General Public License as published by the Free
46 #include <linux/dma-mapping.h>
101 INIT_LIST_HEAD(&dmadev->ddev.channels); in hidma_free()
116 struct dma_device *ddev = mchan->chan.device; in hidma_process_completed()
128 spin_lock_irqsave(&mchan->lock, irqflags); in hidma_process_completed()
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/linux-5.10/arch/arm/mach-mmp/
Dtime.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * linux/arch/arm/mach-mmp/time.c
10 * 2008-04-11: Jason Chagas <Jason.chagas@marvell.com>
11 * 2008-10-08: Bin Yang <bin.yang@marvell.com>
14 * three match comparators. Timer #0 is used here in free-running mode as
32 #include "addr-map.h"
33 #include "regs-timers.h"
34 #include "regs-apbc.h"
54 while (delay--) in timer_read()
79 c->event_handler(c); in timer_interrupt()
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/linux-5.10/drivers/staging/media/atomisp/pci/
Dia_css_control.h1 /* SPDX-License-Identifier: GPL-2.0 */
6 * This program is free software; you can redistribute it and/or modify it
8 * version 2, as published by the Free Software Foundation.
41 * @return Returns -EINVAL in case of any
55 /* @brief Un-initialize the CSS API.
63 * with the exception of ia_css_init which will re-initialize the CSS code,
73 * @return error if called when SP is running.
78 * This function should only be called when the SP is not running, calling it
79 * when the SP is running will result in an error value being returned. }
115 * It will boot the SP hardware and start multi-threading infrastructure.
/linux-5.10/samples/bpf/
Dtrace_event_kern.c3 * This program is free software; you can redistribute it and/or
5 * License as published by the Free Software Foundation.
41 char time_fmt1[] = "Time Enabled: %llu, Time Running: %llu"; in bpf_prog1()
44 char fmt[] = "CPU-%d period %lld ip %llx"; in bpf_prog1()
51 if (ctx->sample_period < 10000) in bpf_prog1()
58 bpf_trace_printk(fmt, sizeof(fmt), cpu, ctx->sample_period, in bpf_prog1()
59 PT_REGS_IP(&ctx->regs)); in bpf_prog1()
65 bpf_trace_printk(time_fmt1, sizeof(time_fmt1), value_buf.enabled, value_buf.running); in bpf_prog1()
69 if (ctx->addr != 0) in bpf_prog1()
70 bpf_trace_printk(addr_fmt, sizeof(addr_fmt), ctx->addr); in bpf_prog1()
/linux-5.10/Documentation/driver-api/dmaengine/
Dclient.rst8 ``Documentation/crypto/async-tx-api.rst``
11 Below is a guide to device driver writers on how to use the Slave-DMA API of the
19 - Allocate a DMA slave channel
21 - Set slave and controller specific parameters
23 - Get a descriptor for transaction
25 - Submit the transaction
27 - Issue pending requests and wait for callback notification
40 .. code-block:: c
66 .. code-block:: c
79 DMA-engine are:
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/linux-5.10/fs/btrfs/tests/
Dfree-space-tests.c1 // SPDX-License-Identifier: GPL-2.0
7 #include "btrfs-tests.h"
9 #include "../disk-io.h"
10 #include "../free-space-cache.h"
11 #include "../block-group.h"
24 test_msg("running extent only tests"); in test_extents()
41 return -1; in test_extents()
71 return -1; in test_extents()
76 return -1; in test_extents()
81 return -1; in test_extents()
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/linux-5.10/drivers/dma/
Dnbpfaxi.c1 // SPDX-License-Identifier: GPL-2.0
3 * Copyright (C) 2013-2014 Renesas Electronics Europe Ltd.
10 #include <linux/dma-mapping.h>
23 #include <dt-bindings/dma/nbpfaxi.h>
105 * 1. high-level descriptor, containing a struct dma_async_tx_descriptor object
109 * allocated from coherent memory - one per SG segment
116 * Therefore for both cases (a) and (b) at run-time objects (2) and (3) shall be
143 * struct nbpf_desc - DMA transfer descriptor
162 #define NBPF_DESCS_PER_PAGE ((PAGE_SIZE - sizeof(struct list_head)) / \
176 * struct nbpf_channel - one DMAC channel
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/linux-5.10/sound/usb/line6/
Dpcm.h1 /* SPDX-License-Identifier: GPL-2.0-only */
5 * Copyright (C) 2004-2010 Markus Grabner (grabner@icg.tugraz.at)
38 (line6pcm->pcm->streams[stream].substream)
53 We define two bit flags, "opened" and "running", for each playback
60 the running flag indicates whether the stream is running.
97 /* Free frame position in the buffer. */
130 /* Bit flags for running stream types */
131 unsigned long running; member

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