| /linux-6.8/arch/arm/boot/dts/intel/axm/ |
| D | axm5516-cpus.dtsi | 13 cpu-map {
16 cpu = <&CPU0>;
19 cpu = <&CPU1>;
22 cpu = <&CPU2>;
25 cpu = <&CPU3>;
30 cpu = <&CPU4>;
33 cpu = <&CPU5>;
36 cpu = <&CPU6>;
39 cpu = <&CPU7>;
44 cpu = <&CPU8>;
[all …]
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| /linux-6.8/Documentation/devicetree/bindings/cpu/ |
| D | cpu-topology.txt | 2 CPU topology binding description
20 For instance in a system where CPUs support SMT, "cpu" nodes represent all
22 In systems where SMT is not supported "cpu" nodes represent all cores present
25 CPU topology bindings allow one to associate cpu nodes with hierarchical groups
29 Currently, only ARM/RISC-V intend to use this cpu topology binding but it may be
32 The cpu nodes, as per bindings defined in [4], represent the devices that
35 A topology description containing phandles to cpu nodes that are not compliant
39 2 - cpu-map node
42 The ARM/RISC-V CPU topology is defined within the cpu-map node, which is a direct
46 - cpu-map node
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| /linux-6.8/arch/arm/mach-meson/ |
| D | platsmp.c | 38 static struct reset_control *meson_smp_get_core_reset(int cpu) in meson_smp_get_core_reset() argument
40 struct device_node *np = of_get_cpu_node(cpu, 0); in meson_smp_get_core_reset()
45 static void meson_smp_set_cpu_ctrl(int cpu, bool on_off) in meson_smp_set_cpu_ctrl() argument
50 val |= BIT(cpu); in meson_smp_set_cpu_ctrl()
52 val &= ~BIT(cpu); in meson_smp_set_cpu_ctrl()
116 static void meson_smp_begin_secondary_boot(unsigned int cpu) in meson_smp_begin_secondary_boot() argument
119 * Set the entry point before powering on the CPU through the SCU. This in meson_smp_begin_secondary_boot()
120 * is needed if the CPU is in "warm" state (= after rebooting the in meson_smp_begin_secondary_boot()
121 * system without power-cycling, or when taking the CPU offline and in meson_smp_begin_secondary_boot()
125 sram_base + MESON_SMP_SRAM_CPU_CTRL_ADDR_REG(cpu)); in meson_smp_begin_secondary_boot()
[all …]
|
| /linux-6.8/drivers/cpufreq/ |
| D | intel_pstate.c | 20 #include <linux/cpu.h>
30 #include <asm/cpu.h>
97 * to account for cpu idle period
133 * Stores the per cpu model P state limits and current P state.
190 * struct cpudata - Per CPU instance data storage
191 * @cpu: CPU number for this instance data
197 * @pstate: Stores P state limits for this CPU
198 * @vid: Stores VID limits for this CPU
221 * @sched_flags: Store scheduler flags for possible cross CPU update
226 * This structure stores per CPU instance data for all CPUs.
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| /linux-6.8/tools/perf/pmu-events/arch/s390/cf_z15/ |
| D | crypto6.json | 3 "Unit": "CPU-M-CF",
7 …counter counts the total number of the pseudorandom-number-generation functions issued by the CPU."
10 "Unit": "CPU-M-CF",
14 …al number of CPU cycles when the DEA/AES/SHA coprocessor is busy performing the pseudorandom- numb…
17 "Unit": "CPU-M-CF",
21 …that are issued by the CPU and are blocked because the DEA/AES/SHA coprocessor is busy performing …
24 "Unit": "CPU-M-CF",
28 …CPU cycles blocked for the pseudorandom-number-generation functions issued by the CPU because the …
31 "Unit": "CPU-M-CF",
35 …"PublicDescription": "This counter counts the total number of the SHA functions issued by the CPU."
[all …]
|
| /linux-6.8/tools/perf/pmu-events/arch/s390/cf_z16/ |
| D | crypto6.json | 3 "Unit": "CPU-M-CF",
7 …counter counts the total number of the pseudorandom-number-generation functions issued by the CPU."
10 "Unit": "CPU-M-CF",
14 …al number of CPU cycles when the DEA/AES/SHA coprocessor is busy performing the pseudorandom- numb…
17 "Unit": "CPU-M-CF",
21 …that are issued by the CPU and are blocked because the DEA/AES/SHA coprocessor is busy performing …
24 "Unit": "CPU-M-CF",
28 …CPU cycles blocked for the pseudorandom-number-generation functions issued by the CPU because the …
31 "Unit": "CPU-M-CF",
35 …"PublicDescription": "This counter counts the total number of the SHA functions issued by the CPU."
[all …]
|
| /linux-6.8/arch/arm64/boot/dts/cavium/ |
| D | thunder-88xx.dtsi | 65 cpu@0 {
66 device_type = "cpu";
71 cpu@1 {
72 device_type = "cpu";
77 cpu@2 {
78 device_type = "cpu";
83 cpu@3 {
84 device_type = "cpu";
89 cpu@4 {
90 device_type = "cpu";
[all …]
|
| /linux-6.8/arch/arm/mach-tegra/ |
| D | platsmp.c | 36 static void tegra_secondary_init(unsigned int cpu) in tegra_secondary_init() argument
38 cpumask_set_cpu(cpu, &tegra_cpu_init_mask); in tegra_secondary_init()
42 static int tegra20_boot_secondary(unsigned int cpu, struct task_struct *idle) in tegra20_boot_secondary() argument
44 cpu = cpu_logical_map(cpu); in tegra20_boot_secondary()
47 * Force the CPU into reset. The CPU must remain in reset when in tegra20_boot_secondary()
49 * flow controller to stop driving reset if the CPU has been in tegra20_boot_secondary()
51 * effect on first boot of the CPU since it should already be in tegra20_boot_secondary()
54 tegra_put_cpu_in_reset(cpu); in tegra20_boot_secondary()
57 * Unhalt the CPU. If the flow controller was used to in tegra20_boot_secondary()
58 * power-gate the CPU this will cause the flow controller to in tegra20_boot_secondary()
[all …]
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| /linux-6.8/tools/testing/selftests/cpu-hotplug/ |
| D | cpu-on-off-test.sh | 27 if ! ls $SYSFS/devices/system/cpu/cpu* > /dev/null 2>&1; then
28 echo $msg cpu hotplug is not supported >&2
32 echo "CPU online/offline summary:"
33 online_cpus=`cat $SYSFS/devices/system/cpu/online`
37 echo "$msg: since there is only one cpu: $online_cpus"
41 present_cpus=`cat $SYSFS/devices/system/cpu/present`
47 offline_cpus=`cat $SYSFS/devices/system/cpu/offline`
63 for cpu in $SYSFS/devices/system/cpu/cpu*; do
64 if [ -f $cpu/online ] && grep -q $state $cpu/online; then
65 echo ${cpu##/*/cpu}
[all …]
|
| /linux-6.8/drivers/base/ |
| D | arch_topology.c | 3 * Arch specific cpu topology information
11 #include <linux/cpu.h>
65 int cpu; in topology_set_scale_freq_source() local
76 for_each_cpu(cpu, cpus) { in topology_set_scale_freq_source()
77 sfd = rcu_dereference(*per_cpu_ptr(&sft_data, cpu)); in topology_set_scale_freq_source()
81 rcu_assign_pointer(per_cpu(sft_data, cpu), data); in topology_set_scale_freq_source()
82 cpumask_set_cpu(cpu, &scale_freq_counters_mask); in topology_set_scale_freq_source()
96 int cpu; in topology_clear_scale_freq_source() local
100 for_each_cpu(cpu, cpus) { in topology_clear_scale_freq_source()
101 sfd = rcu_dereference(*per_cpu_ptr(&sft_data, cpu)); in topology_clear_scale_freq_source()
[all …]
|
| /linux-6.8/arch/arm64/kernel/ |
| D | smp.c | 23 #include <linux/cpu.h>
42 #include <asm/cpu.h>
91 static void ipi_setup(int cpu);
94 static void ipi_teardown(int cpu);
95 static int op_cpu_kill(unsigned int cpu);
97 static inline int op_cpu_kill(unsigned int cpu) in op_cpu_kill() argument
105 * Boot a secondary CPU, and assign it the specified idle task.
106 * This also gives us the initial stack to use for this CPU.
108 static int boot_secondary(unsigned int cpu, struct task_struct *idle) in boot_secondary() argument
110 const struct cpu_operations *ops = get_cpu_ops(cpu); in boot_secondary()
[all …]
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| /linux-6.8/tools/perf/pmu-events/arch/s390/cf_z10/ |
| D | crypto.json | 3 "Unit": "CPU-M-CF",
7 …counter counts the total number of the pseudorandom-number-generation functions issued by the CPU."
10 "Unit": "CPU-M-CF",
14 …al number of CPU cycles when the DEA/AES/SHA coprocessor is busy performing the pseudorandom- numb…
17 "Unit": "CPU-M-CF",
21 …that are issued by the CPU and are blocked because the DEA/AES/SHA coprocessor is busy performing …
24 "Unit": "CPU-M-CF",
28 …CPU cycles blocked for the pseudorandom-number-generation functions issued by the CPU because the …
31 "Unit": "CPU-M-CF",
35 …"PublicDescription": "This counter counts the total number of the SHA functions issued by the CPU."
[all …]
|
| /linux-6.8/tools/perf/pmu-events/arch/s390/cf_z196/ |
| D | crypto.json | 3 "Unit": "CPU-M-CF",
7 …counter counts the total number of the pseudorandom-number-generation functions issued by the CPU."
10 "Unit": "CPU-M-CF",
14 …al number of CPU cycles when the DEA/AES/SHA coprocessor is busy performing the pseudorandom- numb…
17 "Unit": "CPU-M-CF",
21 …that are issued by the CPU and are blocked because the DEA/AES/SHA coprocessor is busy performing …
24 "Unit": "CPU-M-CF",
28 …CPU cycles blocked for the pseudorandom-number-generation functions issued by the CPU because the …
31 "Unit": "CPU-M-CF",
35 …"PublicDescription": "This counter counts the total number of the SHA functions issued by the CPU."
[all …]
|
| /linux-6.8/tools/perf/pmu-events/arch/s390/cf_zec12/ |
| D | crypto.json | 3 "Unit": "CPU-M-CF",
7 …counter counts the total number of the pseudorandom-number-generation functions issued by the CPU."
10 "Unit": "CPU-M-CF",
14 …al number of CPU cycles when the DEA/AES/SHA coprocessor is busy performing the pseudorandom- numb…
17 "Unit": "CPU-M-CF",
21 …that are issued by the CPU and are blocked because the DEA/AES/SHA coprocessor is busy performing …
24 "Unit": "CPU-M-CF",
28 …CPU cycles blocked for the pseudorandom-number-generation functions issued by the CPU because the …
31 "Unit": "CPU-M-CF",
35 …"PublicDescription": "This counter counts the total number of the SHA functions issued by the CPU."
[all …]
|
| /linux-6.8/tools/perf/pmu-events/arch/s390/cf_z14/ |
| D | crypto.json | 3 "Unit": "CPU-M-CF",
7 …counter counts the total number of the pseudorandom-number-generation functions issued by the CPU."
10 "Unit": "CPU-M-CF",
14 …al number of CPU cycles when the DEA/AES/SHA coprocessor is busy performing the pseudorandom- numb…
17 "Unit": "CPU-M-CF",
21 …that are issued by the CPU and are blocked because the DEA/AES/SHA coprocessor is busy performing …
24 "Unit": "CPU-M-CF",
28 …CPU cycles blocked for the pseudorandom-number-generation functions issued by the CPU because the …
31 "Unit": "CPU-M-CF",
35 …"PublicDescription": "This counter counts the total number of the SHA functions issued by the CPU."
[all …]
|
| /linux-6.8/tools/perf/pmu-events/arch/s390/cf_z13/ |
| D | crypto.json | 3 "Unit": "CPU-M-CF",
7 …counter counts the total number of the pseudorandom-number-generation functions issued by the CPU."
10 "Unit": "CPU-M-CF",
14 …al number of CPU cycles when the DEA/AES/SHA coprocessor is busy performing the pseudorandom- numb…
17 "Unit": "CPU-M-CF",
21 …that are issued by the CPU and are blocked because the DEA/AES/SHA coprocessor is busy performing …
24 "Unit": "CPU-M-CF",
28 …CPU cycles blocked for the pseudorandom-number-generation functions issued by the CPU because the …
31 "Unit": "CPU-M-CF",
35 …"PublicDescription": "This counter counts the total number of the SHA functions issued by the CPU."
[all …]
|
| /linux-6.8/arch/powerpc/kernel/ |
| D | smp.c | 29 #include <linux/cpu.h>
75 /* State of each CPU during hotplug phases */
116 * On big-cores system, thread_group_l1_cache_map for each CPU corresponds to
122 * On some big-cores system, thread_group_l2_cache_map for each CPU
129 * On P10, thread_group_l3_cache_map for each CPU is equal to the
143 * Returns 1 if the specified cpu should be brought up during boot.
277 void smp_muxed_ipi_set_message(int cpu, int msg) in smp_muxed_ipi_set_message() argument
279 struct cpu_messages *info = &per_cpu(ipi_message, cpu); in smp_muxed_ipi_set_message()
289 void smp_muxed_ipi_message_pass(int cpu, int msg) in smp_muxed_ipi_message_pass() argument
291 smp_muxed_ipi_set_message(cpu, msg); in smp_muxed_ipi_message_pass()
[all …]
|
| /linux-6.8/drivers/of/ |
| D | cpu.c | 2 #include <linux/cpu.h>
7 * of_get_cpu_hwid - Get the hardware ID from a CPU device node
9 * @cpun: CPU number(logical index) for which device node is required
12 * Return: The hardware ID for the CPU node or ~0ULL if not found.
29 * arch_match_cpu_phys_id - Match the given logical CPU and physical id
31 * @cpu: logical cpu index of a core/thread
34 * CPU logical to physical index mapping is architecture specific.
36 * id to logical cpu index. phys_id provided here is usually values read
39 * Returns true if the physical identifier and the logical cpu index
42 bool __weak arch_match_cpu_phys_id(int cpu, u64 phys_id) in arch_match_cpu_phys_id() argument
[all …]
|
| /linux-6.8/arch/arm64/boot/dts/amd/ |
| D | elba-16core.dtsi | 11 cpu-map {
13 core0 { cpu = <&cpu0>; };
14 core1 { cpu = <&cpu1>; };
15 core2 { cpu = <&cpu2>; };
16 core3 { cpu = <&cpu3>; };
20 core0 { cpu = <&cpu4>; };
21 core1 { cpu = <&cpu5>; };
22 core2 { cpu = <&cpu6>; };
23 core3 { cpu = <&cpu7>; };
27 core0 { cpu = <&cpu8>; };
[all …]
|
| /linux-6.8/Documentation/ABI/testing/ |
| D | sysfs-devices-system-cpu | 1 What: /sys/devices/system/cpu/
5 A collection of both global and individual CPU attributes
7 Individual CPU attributes are contained in subdirectories
8 named by the kernel's logical CPU number, e.g.:
10 /sys/devices/system/cpu/cpuX/
12 What: /sys/devices/system/cpu/kernel_max
13 /sys/devices/system/cpu/offline
14 /sys/devices/system/cpu/online
15 /sys/devices/system/cpu/possible
16 /sys/devices/system/cpu/present
[all …]
|
| /linux-6.8/arch/x86/xen/ |
| D | smp.c | 3 #include <linux/cpu.h>
33 void xen_smp_intr_free(unsigned int cpu) in xen_smp_intr_free() argument
35 kfree(per_cpu(xen_resched_irq, cpu).name); in xen_smp_intr_free()
36 per_cpu(xen_resched_irq, cpu).name = NULL; in xen_smp_intr_free()
37 if (per_cpu(xen_resched_irq, cpu).irq >= 0) { in xen_smp_intr_free()
38 unbind_from_irqhandler(per_cpu(xen_resched_irq, cpu).irq, NULL); in xen_smp_intr_free()
39 per_cpu(xen_resched_irq, cpu).irq = -1; in xen_smp_intr_free()
41 kfree(per_cpu(xen_callfunc_irq, cpu).name); in xen_smp_intr_free()
42 per_cpu(xen_callfunc_irq, cpu).name = NULL; in xen_smp_intr_free()
43 if (per_cpu(xen_callfunc_irq, cpu).irq >= 0) { in xen_smp_intr_free()
[all …]
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| /linux-6.8/arch/loongarch/kernel/ |
| D | smp.c | 12 #include <linux/cpu.h>
27 #include <asm/cpu.h>
42 /* Representing the threads (siblings) of each logical CPU */
46 /* Representing the core map of multi-core chips of each logical CPU */
54 * A logcal cpu mask containing only one VPE per core to
81 unsigned int cpu, i; in show_ipi_list() local
85 for_each_online_cpu(cpu) in show_ipi_list()
86 seq_printf(p, "%10u ", per_cpu(irq_stat, cpu).ipi_irqs[i]); in show_ipi_list()
91 static inline void set_cpu_core_map(int cpu) in set_cpu_core_map() argument
95 cpumask_set_cpu(cpu, &cpu_core_setup_map); in set_cpu_core_map()
[all …]
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| /linux-6.8/arch/arm/mach-bcm/ |
| D | platsmp-brcmstb.c | 3 * Broadcom STB CPU SMP and hotplug support for ARM
52 * We must quiesce a dying CPU before it can be killed by the boot CPU. Because
59 static int per_cpu_sw_state_rd(u32 cpu) in per_cpu_sw_state_rd() argument
61 sync_cache_r(SHIFT_PERCPU_PTR(&per_cpu_sw_state, per_cpu_offset(cpu))); in per_cpu_sw_state_rd()
62 return per_cpu(per_cpu_sw_state, cpu); in per_cpu_sw_state_rd()
65 static void per_cpu_sw_state_wr(u32 cpu, int val) in per_cpu_sw_state_wr() argument
68 per_cpu(per_cpu_sw_state, cpu) = val; in per_cpu_sw_state_wr()
69 sync_cache_w(SHIFT_PERCPU_PTR(&per_cpu_sw_state, per_cpu_offset(cpu))); in per_cpu_sw_state_wr()
72 static inline void per_cpu_sw_state_wr(u32 cpu, int val) { } in per_cpu_sw_state_wr() argument
75 static void __iomem *pwr_ctrl_get_base(u32 cpu) in pwr_ctrl_get_base() argument
[all …]
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| /linux-6.8/arch/s390/kernel/ |
| D | smp.c | 13 * The code outside of smp.c uses logical cpu numbers, only smp.c does
14 * the translation of logical to physical cpu ids. All new code that
15 * operates on physical cpu numbers needs to go into smp.c.
18 #define KMSG_COMPONENT "cpu"
33 #include <linux/cpu.h>
76 static DEFINE_PER_CPU(struct cpu *, cpu_device);
81 signed char state; /* physical cpu state */
83 u16 address; /* physical cpu address */
166 /* Status stored condition code is equivalent to cpu not running. */ in pcpu_running()
171 * Find struct pcpu by cpu address.
[all …]
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| /linux-6.8/drivers/xen/ |
| D | cpu_hotplug.c | 10 #include <asm/cpu.h>
12 static void enable_hotplug_cpu(int cpu) in enable_hotplug_cpu() argument
14 if (!cpu_present(cpu)) in enable_hotplug_cpu()
15 xen_arch_register_cpu(cpu); in enable_hotplug_cpu()
17 set_cpu_present(cpu, true); in enable_hotplug_cpu()
20 static void disable_hotplug_cpu(int cpu) in disable_hotplug_cpu() argument
22 if (!cpu_is_hotpluggable(cpu)) in disable_hotplug_cpu()
25 if (cpu_online(cpu)) in disable_hotplug_cpu()
26 device_offline(get_cpu_device(cpu)); in disable_hotplug_cpu()
27 if (!cpu_online(cpu) && cpu_present(cpu)) { in disable_hotplug_cpu()
[all …]
|