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/openbmc/qemu/
H A Dcpu-common.c2 * CPU thread main loop - common bits for user and system mode emulation
4 * Copyright (c) 2003-2005 Fabrice Bellard
6 * This library is free software; you can redistribute it and/or
8 * License as published by the Free Software Foundation; either
21 #include "qemu/main-loop.h"
22 #include "exec/cpu-common.h"
26 #include "trace/trace-root.h"
67 if (some_cpu->cpu_index >= max_cpu_index) { in cpu_get_free_index()
68 max_cpu_index = some_cpu->cpu_index + 1; in cpu_get_free_index()
87 if (cpu->cpu_index == UNASSIGNED_CPU_INDEX) { in cpu_list_add()
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/openbmc/linux/drivers/net/ethernet/google/gve/
H A Dgve.h1 /* SPDX-License-Identifier: (GPL-2.0 OR MIT)
4 * Copyright (C) 2015-2021 Google, Inc.
10 #include <linux/dma-mapping.h>
44 #define GVE_DATA_SLOT_ADDR_PAGE_MASK (~(PAGE_SIZE - 1))
63 /* 2K buffers for DQO-QPL */
68 /* If number of free/recyclable buffers are less than this threshold; driver
69 * allocs and uses a non-qpl page on the receive path of DQO QPL to free
157 * which point every other offset is free to be reused.
161 /* Linked list index to next element in the list, or -1 if none */
165 /* `head` and `tail` are indices into an array, or -1 if empty. */
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/openbmc/linux/drivers/video/fbdev/
H A 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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/openbmc/qemu/accel/
H A Daccel-blocker.c8 * Permission is hereby granted, free of charge, to any person obtaining a copy
30 #include "qemu/main-loop.h"
32 #include "sysemu/accel-blocker.h"
71 qemu_lockcnt_inc(&cpu->in_ioctl_lock); in accel_cpu_ioctl_begin()
80 qemu_lockcnt_dec(&cpu->in_ioctl_lock); in accel_cpu_ioctl_end()
91 if (qemu_lockcnt_count(&cpu->in_ioctl_lock)) { in accel_has_to_wait()
92 /* exit the ioctl, if vcpu is running it */ in accel_has_to_wait()
113 qemu_lockcnt_lock(&cpu->in_ioctl_lock); in accel_ioctl_inhibit_begin()
117 /* Keep waiting until there are running ioctls */ in accel_ioctl_inhibit_begin()
120 /* Reset event to FREE. */ in accel_ioctl_inhibit_begin()
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/openbmc/linux/Documentation/devicetree/bindings/net/
H A Dadi,adin.yaml1 # SPDX-License-Identifier: GPL-2.0+
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Alexandru Tachici <alexandru.tachici@analog.com>
16 - $ref: ethernet-phy.yaml#
19 adi,rx-internal-delay-ps:
22 internal delay (phy-mode is 'rgmii-id' or 'rgmii-rxid') in pico-seconds.
26 adi,tx-internal-delay-ps:
29 internal delay (phy-mode is 'rgmii-id' or 'rgmii-txid') in pico-seconds.
33 adi,fifo-depth-bits:
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/openbmc/linux/tools/testing/selftests/media_tests/
H A 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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/openbmc/linux/drivers/input/serio/
H A 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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/openbmc/linux/arch/x86/events/intel/
H A Duncore.h1 /* SPDX-License-Identifier: GPL-2.0 */
5 #include <asm/intel-family.h>
6 #include <linux/io-64-nonatomic-lo-hi.h>
37 #define UNCORE_IGNORE_END -1
165 /* event config registers are 8-byte apart */
260 if (offset < box->pmu->type->mmio_map_size) in uncore_mmio_is_valid_offset()
264 offset, box->pmu->type->name); in uncore_mmio_is_valid_offset()
272 return box->pmu->type->box_ctl + in uncore_mmio_box_ctl()
273 box->pmu->type->mmio_offset * box->pmu->pmu_idx; in uncore_mmio_box_ctl()
278 return box->pmu->type->box_ctl; in uncore_pci_box_ctl()
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/openbmc/qemu/docs/spin/
H A Dtcg-exclusive.promela3 * cpus-common.c (start_exclusive, end_exclusive, cpu_exec_start,
12 * spin -a docs/tcg-exclusive.promela
13 * gcc pan.c -O2
14 * ./a.out -a
28 // For 3 CPUs and the lock-free option it needs 1.5 GB of RAM
54 // process-local "cond_t saved;" variable.
57 #define MUTEX_LOCK(m) atomic { m == 0 -> m = 1 }
64 c != saved -> MUTEX_LOCK(m); \
68 // this is the logic from cpus-common.c
75 byte running[N_CPUS];
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/openbmc/qemu/tests/qemu-iotests/
H A D09110 # This program is free software; you can redistribute it and/or modify
12 # the Free Software Foundation; either version 2 of the License, or
36 rm -f "${MIG_FIFO}"
64 _launch_qemu -drive file="${TEST_IMG}",cache=${CACHEMODE},aio=${AIOMODE},id=disk
70 _launch_qemu -drive file="${TEST_IMG}",cache=${CACHEMODE},aio=${AIOMODE},id=disk \
71 -incoming "exec: cat '${MIG_FIFO}'"
79 _send_qemu_cmd $h1 'qemu-io disk "write -P 0x22 0 4M"' "(qemu)"
80 echo "vm1: qemu-io disk write complete"
87 echo === VM 2: Post-migration, write to disk, verify running ===
90 _send_qemu_cmd $h2 'qemu-io disk "write 4M 1M"' "(qemu)"
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/openbmc/linux/Documentation/devicetree/bindings/timer/
H A 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>;
/openbmc/linux/drivers/dma/sh/
H A 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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/openbmc/qemu/hw/timer/
H A Dcmsdk-apb-dualtimer.c2 * ARM CMSDK APB dual-timer emulation
7 * This program is free software; you can redistribute it and/or modify
13 * This is a model of the "APB dual-input timer" which is part of the Cortex-M
14 * System Design Kit (CMSDK) and documented in the Cortex-M System
16 * https://developer.arm.com/products/system-design/system-design-kits/cortex-m-system-design-kit
26 #include "hw/qdev-properties.h"
28 #include "hw/qdev-clock.h"
29 #include "hw/timer/cmsdk-apb-dualtimer.h"
86 return m->intstatus && (m->control & R_CONTROL_INTEN_MASK); in cmsdk_dualtimermod_intstatus()
93 if (s->timeritcr) { in cmsdk_apb_dualtimer_update()
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H A Dbcm2835_systmr.c4 * Copyright (C) 2019 Philippe Mathieu-Daudé <f4bug@amsat.org>
6 * SPDX-License-Identifier: GPL-2.0-or-later
8 * Datasheet: BCM2835 ARM Peripherals (C6357-M-1398)
9 * https://www.raspberrypi.org/app/uploads/2012/02/BCM2835-ARM-Peripherals.pdf
11 * Only the free running 64-bit counter is implemented.
35 trace_bcm2835_systmr_timer_expired(tmr->id); in bcm2835_systmr_timer_expire()
36 tmr->state->reg.ctrl_status |= 1 << tmr->id; in bcm2835_systmr_timer_expire()
37 qemu_set_irq(tmr->irq, 1); in bcm2835_systmr_timer_expire()
48 r = s->reg.ctrl_status; in bcm2835_systmr_read()
51 r = s->reg.compare[(offset - A_COMPARE0) >> 2]; in bcm2835_systmr_read()
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/openbmc/ipmitool/contrib/
H A Dipmievd.init.suse5 # Copyright (C) 1995--2005 Kurt Garloff, SUSE / Novell Inc.
7 # This library is free software; you can redistribute it and/or modify it
9 # the Free Software Foundation; either version 2.1 of the License, or (at
18 # License along with this library; if not, write to the Free Software
19 # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307,
26 # Read http://www.tldp.org/HOWTO/HighQuality-Apps-HOWTO/ if you prefer not
34 # Required-Start: $syslog ipmi
35 # Should-Start: $time
36 # Required-Stop: $syslog ipmi
37 # Should-Stop: $time
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/openbmc/linux/drivers/clocksource/
H A Dtimer-orion.c1 // SPDX-License-Identifier: GPL-2.0
7 * Timer 0 is used as free-running clocksource, while timer 1 is
53 * Free-running clocksource handling.
68 /* setup and enable one-shot timer */ in orion_clkevt_next_event()
87 writel(ticks_per_jiffy - 1, timer_base + TIMER1_RELOAD); in orion_clkevt_set_periodic()
88 writel(ticks_per_jiffy - 1, timer_base + TIMER1_VAL); in orion_clkevt_set_periodic()
124 return -ENXIO; in orion_timer_init()
143 ret = -EINVAL; in orion_timer_init()
149 /* setup timer0 as free-running clocksource */ in orion_timer_init()
189 TIMER_OF_DECLARE(orion_timer, "marvell,orion-timer", orion_timer_init);
/openbmc/linux/tools/testing/selftests/cgroup/
H A Dtest_freezer.c1 /* SPDX-License-Identifier: GPL-2.0 */
32 return -1; in cg_check_frozen()
40 return -1; in cg_check_frozen()
62 int fd, ret = -1; in cg_enter_and_wait_for_frozen()
95 int fd, ret = -1; in cg_freeze_wait()
118 * A simple process running in a sleep loop until being
119 * re-parented.
133 * running processes and freeze it. Then unfreeze it. Then it kills all
169 free(cgroup); in test_cgfreezer_simple()
329 for (i = 9; i >= 0 && cgroup[i]; i--) { in test_cgfreezer_tree()
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/openbmc/linux/arch/arm/mach-pxa/
H A 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 */
/openbmc/qemu/include/block/
H A Dblock-copy.h9 * Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
12 * See the COPYING file in the top-level directory.
18 #include "block/block-common.h"
21 /* All APIs are thread-safe */
52 * Run block-copy in a coroutine, create corresponding BlockCopyCallState
55 * Caller is responsible to call block_copy_call_free() to free
58 * @max_workers means maximum of parallel coroutines to execute sub-requests,
70 * Free finished BlockCopyCallState. Trying to free running
71 * block-copy will crash.
76 * Note, that block-copy call is marked finished prior to calling
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/openbmc/qemu/include/io/
H A Dchannel-websock.h6 * This library is free software; you can redistribute it and/or
8 * License as published by the Free Software Foundation; either
29 #define TYPE_QIO_CHANNEL_WEBSOCK "qio-channel-websock"
48 * This channel object is currently only capable of running as
52 * client for encapsulating VNC for noVNC in-browser client.
95 * @destroy: optional callback to free @opaque
100 * loop is running. When the handshake is complete,
H A Dtask.h6 * This library is free software; you can redistribute it and/or
8 * License as published by the Free Software Foundation; either
36 * success / failure of long running background operations.
53 * to free 'opaque' when no longer needed.
149 * lookups) to be easily run non-blocking. Reporting the
157 * DNS API, so the to get non-blocking DNS lookups in a portable
158 * manner requires use of a thread. So achieve a non-blocking
169 * obj->fd = socket_listen(addr, &err);
202 * @destroy: optional callback to free @opaque
205 * background operation running on the object @source.
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/openbmc/linux/fs/btrfs/
H A Ddiscard.c1 // SPDX-License-Identifier: GPL-2.0
11 #include "block-group.h"
13 #include "free-space-cache.h"
19 * Async discard manages trimming of free space outside of transaction commit.
20 * Discarding is done by managing the block_groups on a LRU list based on free
32 * The first list is special to manage discarding of fully free block groups.
33 * This is necessary because we issue a final trim for a full free block group
39 * The in-memory free space cache serves as the backing state for discard.
44 * As the free space cache uses bitmaps, there exists a tradeoff between
73 return &discard_ctl->discard_list[block_group->discard_index]; in get_discard_list()
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/openbmc/linux/Documentation/admin-guide/mm/damon/
H A Dreclaim.rst1 .. SPDX-License-Identifier: GPL-2.0
4 DAMON-based Reclamation
7 DAMON-based Reclamation (DAMON_RECLAIM) is a static kernel module that aimed to
9 It doesn't aim to replace the LRU-list based page_granularity reclamation, but
15 On general memory over-committed systems, proactively reclaiming cold pages
20 Free Pages Reporting [3]_ based memory over-commit virtualization systems are
21 good example of the cases. In such systems, the guest VMs reports their free
24 guests could be not so memory-frugal, mainly because some kernel subsystems and
25 user-space applications are designed to use as much memory as available. Then,
26 guests could report only small amount of memory as free to host, results in
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/openbmc/qemu/hw/core/
H A Dvm-change-state-handler.c4 * This program is free software; you can redistribute it and/or modify
6 * the Free Software Foundation; either version 2 of the License,
19 #include "hw/qdev-core.h"
27 BusState *bus = dev->parent_bus; in qdev_get_dev_tree_depth()
33 dev = bus->parent; in qdev_get_dev_tree_depth()
51 * starts running. The order is reversed when the VM stops running.
/openbmc/linux/tools/testing/selftests/powerpc/math/
H A Dfpu_preempt.c1 // SPDX-License-Identifier: GPL-2.0-or-later
38 int running; variable
40 extern int preempt_fpu(double *darray, int *threads_starting, int *running);
51 rc = preempt_fpu(darray, &threads_starting, &running); in preempt_fpu_c()
65 running = true; in test_preempt_fpu()
86 * r5 will have loaded the value of running. in test_preempt_fpu()
88 running = 0; in test_preempt_fpu()
103 free(tids); in test_preempt_fpu()

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