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/openbmc/linux/arch/arm/common/
H A Dmcpm_entry.c34 static void __mcpm_cpu_going_down(unsigned int cpu, unsigned int cluster) in __mcpm_cpu_going_down() argument
36 mcpm_sync.clusters[cluster].cpus[cpu].cpu = CPU_GOING_DOWN; in __mcpm_cpu_going_down()
37 sync_cache_w(&mcpm_sync.clusters[cluster].cpus[cpu].cpu); in __mcpm_cpu_going_down()
47 static void __mcpm_cpu_down(unsigned int cpu, unsigned int cluster) in __mcpm_cpu_down() argument
50 mcpm_sync.clusters[cluster].cpus[cpu].cpu = CPU_DOWN; in __mcpm_cpu_down()
51 sync_cache_w(&mcpm_sync.clusters[cluster].cpus[cpu].cpu); in __mcpm_cpu_down()
63 static void __mcpm_outbound_leave_critical(unsigned int cluster, int state) in __mcpm_outbound_leave_critical() argument
66 mcpm_sync.clusters[cluster].cluster = state; in __mcpm_outbound_leave_critical()
67 sync_cache_w(&mcpm_sync.clusters[cluster].cluster); in __mcpm_outbound_leave_critical()
82 static bool __mcpm_outbound_enter_critical(unsigned int cpu, unsigned int cluster) in __mcpm_outbound_enter_critical() argument
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/openbmc/linux/arch/arm/mach-sunxi/
H A Dmc_smp.c87 static bool sunxi_core_is_cortex_a15(unsigned int core, unsigned int cluster) in sunxi_core_is_cortex_a15() argument
90 int cpu = cluster * SUNXI_CPUS_PER_CLUSTER + core; in sunxi_core_is_cortex_a15()
105 __func__, cluster, core); in sunxi_core_is_cortex_a15()
115 static int sunxi_cpu_power_switch_set(unsigned int cpu, unsigned int cluster, in sunxi_cpu_power_switch_set() argument
121 reg = readl(prcm_base + PRCM_PWR_SWITCH_REG(cluster, cpu)); in sunxi_cpu_power_switch_set()
125 cluster, cpu); in sunxi_cpu_power_switch_set()
129 writel(0xff, prcm_base + PRCM_PWR_SWITCH_REG(cluster, cpu)); in sunxi_cpu_power_switch_set()
131 writel(0xfe, prcm_base + PRCM_PWR_SWITCH_REG(cluster, cpu)); in sunxi_cpu_power_switch_set()
133 writel(0xf8, prcm_base + PRCM_PWR_SWITCH_REG(cluster, cpu)); in sunxi_cpu_power_switch_set()
135 writel(0xf0, prcm_base + PRCM_PWR_SWITCH_REG(cluster, cpu)); in sunxi_cpu_power_switch_set()
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/openbmc/linux/arch/arm/mach-versatile/
H A Dtc2_pm.c46 static int tc2_pm_cpu_powerup(unsigned int cpu, unsigned int cluster) in tc2_pm_cpu_powerup() argument
48 pr_debug("%s: cpu %u cluster %u\n", __func__, cpu, cluster); in tc2_pm_cpu_powerup()
49 if (cluster >= TC2_CLUSTERS || cpu >= tc2_nr_cpus[cluster]) in tc2_pm_cpu_powerup()
51 ve_spc_set_resume_addr(cluster, cpu, in tc2_pm_cpu_powerup()
53 ve_spc_cpu_wakeup_irq(cluster, cpu, true); in tc2_pm_cpu_powerup()
57 static int tc2_pm_cluster_powerup(unsigned int cluster) in tc2_pm_cluster_powerup() argument
59 pr_debug("%s: cluster %u\n", __func__, cluster); in tc2_pm_cluster_powerup()
60 if (cluster >= TC2_CLUSTERS) in tc2_pm_cluster_powerup()
62 ve_spc_powerdown(cluster, false); in tc2_pm_cluster_powerup()
66 static void tc2_pm_cpu_powerdown_prepare(unsigned int cpu, unsigned int cluster) in tc2_pm_cpu_powerdown_prepare() argument
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H A Ddcscb.c39 static int dcscb_cpu_powerup(unsigned int cpu, unsigned int cluster) in dcscb_cpu_powerup() argument
43 pr_debug("%s: cpu %u cluster %u\n", __func__, cpu, cluster); in dcscb_cpu_powerup()
44 if (cluster >= 2 || !(cpumask & dcscb_allcpus_mask[cluster])) in dcscb_cpu_powerup()
47 rst_hold = readl_relaxed(dcscb_base + RST_HOLD0 + cluster * 4); in dcscb_cpu_powerup()
49 writel_relaxed(rst_hold, dcscb_base + RST_HOLD0 + cluster * 4); in dcscb_cpu_powerup()
53 static int dcscb_cluster_powerup(unsigned int cluster) in dcscb_cluster_powerup() argument
57 pr_debug("%s: cluster %u\n", __func__, cluster); in dcscb_cluster_powerup()
58 if (cluster >= 2) in dcscb_cluster_powerup()
62 rst_hold = readl_relaxed(dcscb_base + RST_HOLD0 + cluster * 4); in dcscb_cluster_powerup()
64 rst_hold |= dcscb_allcpus_mask[cluster]; in dcscb_cluster_powerup()
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H A Dspc.c111 static inline bool cluster_is_a15(u32 cluster) in cluster_is_a15() argument
113 return cluster == info->a15_clusid; in cluster_is_a15()
150 void ve_spc_cpu_wakeup_irq(u32 cluster, u32 cpu, bool set) in ve_spc_cpu_wakeup_irq() argument
154 if (cluster >= MAX_CLUSTERS) in ve_spc_cpu_wakeup_irq()
159 if (!cluster_is_a15(cluster)) in ve_spc_cpu_wakeup_irq()
179 void ve_spc_set_resume_addr(u32 cluster, u32 cpu, u32 addr) in ve_spc_set_resume_addr() argument
183 if (cluster >= MAX_CLUSTERS) in ve_spc_set_resume_addr()
186 if (cluster_is_a15(cluster)) in ve_spc_set_resume_addr()
204 void ve_spc_powerdown(u32 cluster, bool enable) in ve_spc_powerdown() argument
208 if (cluster >= MAX_CLUSTERS) in ve_spc_powerdown()
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/openbmc/qemu/tests/qemu-iotests/
H A D19078 cluster=$((64*1024))
79 b1clusters=$(( (val2T/512/8 + cluster - 1) / cluster ))
80 b2clusters=$(( (val2T/2/1024/1024/8 + cluster - 1) / cluster ))
81 echo expected bitmap $((b1clusters * cluster +
82 (b1clusters * 8 + cluster - 1) / cluster * cluster +
83 b2clusters * cluster +
84 (b2clusters * 8 + cluster - 1) / cluster * cluster +
85 cluster))
90 cluster=$((2*1024*1024))
91 b1clusters=$(( (val2T/512/8 + cluster - 1) / cluster ))
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H A D261.out190 ERROR cluster 10 refcount=0 reference=1
192 Repairing cluster 1 refcount=1 reference=0
193 Repairing cluster 2 refcount=1 reference=0
213 Leaked cluster 14 refcount=1 reference=0
214 Leaked cluster 15 refcount=1 reference=0
215 Leaked cluster 1039 refcount=1 reference=0
216 Leaked cluster 1040 refcount=1 reference=0
217 Repairing cluster 14 refcount=1 reference=0
218 Repairing cluster 15 refcount=1 reference=0
219 Repairing cluster 1039 refcount=1 reference=0
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H A Dfat16.py105 def first_sector_of_cluster(self, cluster: int) -> int:
110 self.data_sector_start() + (cluster - 2) * self.sectors_per_cluster
154 self.cluster = (high_cluster << 16) | low_cluster
171 + (self.cluster >> 16).to_bytes(2, "little")
174 + (self.cluster & 0xFFFF).to_bytes(2, "little")
279 def read_fat_entry(self, cluster: int) -> int:
283 fat_offset = cluster * 2 # FAT16
286 def write_fat_entry(self, cluster: int, value: int) -> None:
290 fat_offset = cluster * 2
308 def next_cluster(self, cluster: int) -> Optional[int]:
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H A D217.out13 qemu-img: Could not delete snapshot 'foo': Failed to free the cluster and L1 table: Input/output er…
16 Leaked cluster 4 refcount=2 reference=1
17 Leaked cluster 5 refcount=2 reference=1
18 Leaked cluster 6 refcount=1 reference=0
19 Leaked cluster 7 refcount=1 reference=0
25 Leaked cluster 4 refcount=2 reference=1
26 Leaked cluster 5 refcount=2 reference=1
27 Leaked cluster 6 refcount=1 reference=0
28 Leaked cluster 7 refcount=1 reference=0
29 Repairing cluster 4 refcount=2 reference=1
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H A D060.out6 ERROR cluster 3 refcount=1 reference=3
30 === Testing cluster data reference into refcount block ===
34 ERROR cluster 2 refcount=1 reference=2
43 ERROR cluster 2 refcount=1 reference=2
45 Repairing cluster 1 refcount=1 reference=0
46 Repairing cluster 2 refcount=2 reference=1
59 === Testing cluster data reference into inactive L2 table ===
66 ERROR cluster 4 refcount=1 reference=2
67 Leaked cluster 9 refcount=1 reference=0
78 ERROR cluster 4 refcount=1 reference=2
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H A D098.out19 Leaked cluster 4 refcount=1 reference=0
20 Leaked cluster 5 refcount=1 reference=0
21 Repairing cluster 4 refcount=1 reference=0
22 Repairing cluster 5 refcount=1 reference=0
32 ERROR cluster 0 refcount=0 reference=1
33 ERROR cluster 1 refcount=0 reference=1
34 ERROR cluster 3 refcount=0 reference=1
36 Repairing cluster 1 refcount=1 reference=0
46 ERROR cluster 0 refcount=0 reference=1
47 ERROR cluster 1 refcount=0 reference=1
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H A D108.out8 ERROR cluster 0 refcount=0 reference=1
9 ERROR cluster 3 refcount=0 reference=1
10 ERROR cluster 4 refcount=0 reference=1
11 ERROR cluster 5 refcount=0 reference=1
23 === Repairing unreferenced data cluster in new refblock area ===
33 ERROR cluster 256 refcount=0 reference=1
35 Repairing cluster 1 refcount=1 reference=0
36 Repairing cluster 2 refcount=1 reference=0
66 ERROR cluster 16 refcount=0 reference=1
68 Repairing cluster 1 refcount=1 reference=0
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/openbmc/linux/fs/ocfs2/cluster/
H A Dnodemanager.c49 struct o2nm_cluster *cluster = o2nm_single_cluster; in o2nm_configured_node_map() local
51 BUG_ON(bytes < (sizeof(cluster->cl_nodes_bitmap))); in o2nm_configured_node_map()
53 if (cluster == NULL) in o2nm_configured_node_map()
56 read_lock(&cluster->cl_nodes_lock); in o2nm_configured_node_map()
57 bitmap_copy(map, cluster->cl_nodes_bitmap, O2NM_MAX_NODES); in o2nm_configured_node_map()
58 read_unlock(&cluster->cl_nodes_lock); in o2nm_configured_node_map()
64 static struct o2nm_node *o2nm_node_ip_tree_lookup(struct o2nm_cluster *cluster, in o2nm_node_ip_tree_lookup() argument
69 struct rb_node **p = &cluster->cl_node_ip_tree.rb_node; in o2nm_node_ip_tree_lookup()
102 struct o2nm_cluster *cluster = o2nm_single_cluster; in o2nm_get_node_by_ip() local
104 if (cluster == NULL) in o2nm_get_node_by_ip()
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/openbmc/linux/arch/arm/mach-hisi/
H A Dplatmcpm.c71 static bool hip04_cluster_is_down(unsigned int cluster) in hip04_cluster_is_down() argument
76 if (hip04_cpu_table[cluster][i]) in hip04_cluster_is_down()
81 static void hip04_set_snoop_filter(unsigned int cluster, unsigned int on) in hip04_set_snoop_filter() argument
89 data |= 1 << cluster; in hip04_set_snoop_filter()
91 data &= ~(1 << cluster); in hip04_set_snoop_filter()
100 unsigned int mpidr, cpu, cluster; in hip04_boot_secondary() local
106 cluster = MPIDR_AFFINITY_LEVEL(mpidr, 1); in hip04_boot_secondary()
110 if (cluster >= HIP04_MAX_CLUSTERS || cpu >= HIP04_MAX_CPUS_PER_CLUSTER) in hip04_boot_secondary()
115 if (hip04_cpu_table[cluster][cpu]) in hip04_boot_secondary()
118 sys_dreq = sysctrl + SC_CPU_RESET_DREQ(cluster); in hip04_boot_secondary()
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/openbmc/linux/arch/arm/mach-exynos/
H A Dmcpm-exynos.c57 static int exynos_cpu_powerup(unsigned int cpu, unsigned int cluster) in exynos_cpu_powerup() argument
59 unsigned int cpunr = cpu + (cluster * EXYNOS5420_CPUS_PER_CLUSTER); in exynos_cpu_powerup()
62 pr_debug("%s: cpu %u cluster %u\n", __func__, cpu, cluster); in exynos_cpu_powerup()
64 cluster >= EXYNOS5420_NR_CLUSTERS) in exynos_cpu_powerup()
76 if (cluster && in exynos_cpu_powerup()
77 cluster == MPIDR_AFFINITY_LEVEL(cpu_logical_map(0), 1)) { in exynos_cpu_powerup()
93 cpu, cluster); in exynos_cpu_powerup()
106 static int exynos_cluster_powerup(unsigned int cluster) in exynos_cluster_powerup() argument
108 pr_debug("%s: cluster %u\n", __func__, cluster); in exynos_cluster_powerup()
109 if (cluster >= EXYNOS5420_NR_CLUSTERS) in exynos_cluster_powerup()
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/openbmc/linux/drivers/perf/
H A Dqcom_l2_pmu.c243 static void cluster_pmu_set_resr(struct cluster_pmu *cluster, in cluster_pmu_set_resr() argument
254 spin_lock_irqsave(&cluster->pmu_lock, flags); in cluster_pmu_set_resr()
262 spin_unlock_irqrestore(&cluster->pmu_lock, flags); in cluster_pmu_set_resr()
319 static void l2_cache_cluster_set_period(struct cluster_pmu *cluster, in l2_cache_cluster_set_period() argument
339 static int l2_cache_get_event_idx(struct cluster_pmu *cluster, in l2_cache_get_event_idx() argument
344 int num_ctrs = cluster->l2cache_pmu->num_counters - 1; in l2_cache_get_event_idx()
348 if (test_and_set_bit(l2_cycle_ctr_idx, cluster->used_counters)) in l2_cache_get_event_idx()
354 idx = find_first_zero_bit(cluster->used_counters, num_ctrs); in l2_cache_get_event_idx()
365 if (test_bit(group, cluster->used_groups)) in l2_cache_get_event_idx()
368 set_bit(idx, cluster->used_counters); in l2_cache_get_event_idx()
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/openbmc/linux/arch/arm/include/asm/
H A Dmcpm.h44 void mcpm_set_entry_vector(unsigned cpu, unsigned cluster, void *ptr);
51 void mcpm_set_early_poke(unsigned cpu, unsigned cluster,
84 int mcpm_cpu_power_up(unsigned int cpu, unsigned int cluster);
132 int mcpm_wait_for_cpu_powerdown(unsigned int cpu, unsigned int cluster);
219 int (*cpu_powerup)(unsigned int cpu, unsigned int cluster);
220 int (*cluster_powerup)(unsigned int cluster);
221 void (*cpu_suspend_prepare)(unsigned int cpu, unsigned int cluster);
222 void (*cpu_powerdown_prepare)(unsigned int cpu, unsigned int cluster);
223 void (*cluster_powerdown_prepare)(unsigned int cluster);
226 void (*cpu_is_up)(unsigned int cpu, unsigned int cluster);
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/openbmc/linux/drivers/remoteproc/
H A Dti_k3_r5_remoteproc.c166 struct k3_r5_cluster *cluster; member
294 static int k3_r5_lockstep_reset(struct k3_r5_cluster *cluster) in k3_r5_lockstep_reset() argument
300 list_for_each_entry(core, &cluster->cores, elem) { in k3_r5_lockstep_reset()
311 list_for_each_entry(core, &cluster->cores, elem) { in k3_r5_lockstep_reset()
324 list_for_each_entry_continue_reverse(core, &cluster->cores, elem) { in k3_r5_lockstep_reset()
329 core = list_last_entry(&cluster->cores, struct k3_r5_core, elem); in k3_r5_lockstep_reset()
331 list_for_each_entry_from_reverse(core, &cluster->cores, elem) { in k3_r5_lockstep_reset()
339 static int k3_r5_lockstep_release(struct k3_r5_cluster *cluster) in k3_r5_lockstep_release() argument
345 list_for_each_entry_reverse(core, &cluster->cores, elem) { in k3_r5_lockstep_release()
357 list_for_each_entry_reverse(core, &cluster->cores, elem) { in k3_r5_lockstep_release()
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H A Dxlnx_r5_remoteproc.c710 struct zynqmp_r5_cluster *cluster; in add_tcm_banks() local
720 cluster = dev_get_drvdata(dev->parent); in add_tcm_banks()
721 if (!cluster) { in add_tcm_banks()
731 if (cluster->mode == SPLIT_MODE) in add_tcm_banks()
733 else if (cluster->mode == LOCKSTEP_MODE) in add_tcm_banks()
896 static int zynqmp_r5_get_tcm_node(struct zynqmp_r5_cluster *cluster) in zynqmp_r5_get_tcm_node() argument
898 struct device *dev = cluster->dev; in zynqmp_r5_get_tcm_node()
906 tcm_bank_count = tcm_bank_count / cluster->core_count; in zynqmp_r5_get_tcm_node()
914 for (i = 0; i < cluster->core_count; i++) { in zynqmp_r5_get_tcm_node()
915 r5_core = cluster->r5_cores[i]; in zynqmp_r5_get_tcm_node()
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/openbmc/linux/Documentation/arch/arm/
H A Dcluster-pm-race-avoidance.rst6 cluster setup and teardown operations and to manage hardware coherency
29 cluster-level operations are only performed when it is truly safe to do
34 are not immediately enabled when a cluster powers up. Since enabling or
38 power-down and power-up at the cluster level.
48 Each cluster and CPU is assigned a state, as follows:
67 The CPU or cluster is not coherent, and is either powered off or
71 The CPU or cluster has committed to moving to the UP state.
76 The CPU or cluster is active and coherent at the hardware
81 The CPU or cluster has committed to moving to the DOWN
89 Each cluster is also assigned a state, but it is necessary to split the
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/openbmc/linux/drivers/cpufreq/
H A Dvexpress-spc-cpufreq.c45 #define ACTUAL_FREQ(cluster, freq) ((cluster == A7_CLUSTER) ? freq << 1 : freq) argument
46 #define VIRT_FREQ(cluster, freq) ((cluster == A7_CLUSTER) ? freq >> 1 : freq) argument
71 static unsigned int find_cluster_maxfreq(int cluster) in find_cluster_maxfreq() argument
79 if (cluster == per_cpu(physical_cluster, j) && in find_cluster_maxfreq()
282 u32 cluster = raw_cpu_to_cluster(cpu_dev->id); in _put_cluster_clk_and_freq_table() local
284 if (!freq_table[cluster]) in _put_cluster_clk_and_freq_table()
287 clk_put(clk[cluster]); in _put_cluster_clk_and_freq_table()
288 dev_pm_opp_free_cpufreq_table(cpu_dev, &freq_table[cluster]); in _put_cluster_clk_and_freq_table()
294 u32 cluster = cpu_to_cluster(cpu_dev->id); in put_cluster_clk_and_freq_table() local
297 if (atomic_dec_return(&cluster_usage[cluster])) in put_cluster_clk_and_freq_table()
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H A Dtegra186-cpufreq.c75 unsigned int cluster = data->cpus[policy->cpu].bpmp_cluster_id; in tegra186_cpufreq_init() local
77 policy->freq_table = data->clusters[cluster].table; in tegra186_cpufreq_init()
100 struct tegra186_cpufreq_cluster *cluster; in tegra186_cpufreq_get() local
112 cluster = &data->clusters[cluster_id]; in tegra186_cpufreq_get()
115 return (cluster->ref_clk_khz * ndiv) / cluster->div; in tegra186_cpufreq_get()
131 struct tegra186_cpufreq_cluster *cluster, unsigned int cluster_id) in init_vhint_table() argument
187 cluster->ref_clk_khz = data->ref_clk_hz / 1000; in init_vhint_table()
188 cluster->div = data->pdiv * data->mdiv; in init_vhint_table()
207 point->frequency = (cluster->ref_clk_khz * ndiv) / cluster->div; in init_vhint_table()
243 struct tegra186_cpufreq_cluster *cluster = &data->clusters[i]; in tegra186_cpufreq_probe() local
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/openbmc/linux/Documentation/ABI/testing/
H A Dsysfs-ocfs214 covers how ocfs2 uses distributed locking between cluster
18 cluster nodes can interoperate if they have an identical
34 the available plugins to support ocfs2 cluster operation.
35 A cluster plugin is required to use ocfs2 in a cluster.
38 * 'o2cb' - The classic o2cb cluster stack that ocfs2 has
40 * 'user' - A plugin supporting userspace cluster software
54 cluster plugin is currently in use by the filesystem.
62 the cluster stack in use. The contents may change
63 when all filesystems are unmounted and the cluster stack
71 of current ocfs2 cluster stack. This value is set by
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/openbmc/u-boot/arch/powerpc/cpu/mpc8xxx/
H A Dcpu.c101 static inline u32 init_type(u32 cluster, int init_id) in init_type() argument
104 u32 idx = (cluster >> (init_id * 8)) & TP_CLUSTER_INIT_MASK; in init_type()
117 u32 cluster, type, mask = 0; in compute_ppc_cpumask() local
121 cluster = in_be32(&gur->tp_cluster[i].lower); in compute_ppc_cpumask()
123 type = init_type(cluster, j); in compute_ppc_cpumask()
131 } while ((cluster & TP_CLUSTER_EOC) != TP_CLUSTER_EOC); in compute_ppc_cpumask()
141 u32 cluster, type, dsp_mask = 0; in compute_dsp_cpumask() local
145 cluster = in_be32(&gur->tp_cluster[i].lower); in compute_dsp_cpumask()
147 type = init_type(cluster, j); in compute_dsp_cpumask()
155 } while ((cluster & TP_CLUSTER_EOC) != TP_CLUSTER_EOC); in compute_dsp_cpumask()
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/openbmc/qemu/tests/qemu-iotests/tests/
H A Dparallels-checks.out9 Repairing cluster 0 is outside image
14 == write pattern to last cluster ==
19 == extend image by 1 cluster ==
31 == check last cluster ==
39 == write another pattern to second cluster ==
42 == check second cluster ==
46 == check second cluster ==
58 == check the first cluster ==
61 == check second cluster ==
67 == check the first cluster ==
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