mirror of https://github.com/proxmox/mirror_qemu
cpu: cpu_by_arch_id() helper
The helper can be used for CPU object lookup using the CPU's arch-specific ID (the one returned by CPUClass::get_arch_id()). Signed-off-by: Eduardo Habkost <ehabkost@redhat.com> [Yi Wang: Added documentation comments] Signed-off-by: Yi Wang <wang.yi59@zte.com.cn> Signed-off-by: Yun Liu <liu.yunh@zte.com.cn> [ehabkost: extracted cpu_by_arch_id() to a separate patch] Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>master
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@ -754,6 +754,16 @@ CPUState *qemu_get_cpu(int index);
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*/
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*/
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bool cpu_exists(int64_t id);
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bool cpu_exists(int64_t id);
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/**
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* cpu_by_arch_id:
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* @id: Guest-exposed CPU ID of the CPU to obtain.
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*
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* Get a CPU with matching @id.
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*
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* Returns: The CPU or %NULL if there is no matching CPU.
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*/
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CPUState *cpu_by_arch_id(int64_t id);
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/**
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/**
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* cpu_throttle_set:
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* cpu_throttle_set:
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* @new_throttle_pct: Percent of sleep time. Valid range is 1 to 99.
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* @new_throttle_pct: Percent of sleep time. Valid range is 1 to 99.
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11
qom/cpu.c
11
qom/cpu.c
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@ -34,7 +34,7 @@
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CPUInterruptHandler cpu_interrupt_handler;
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CPUInterruptHandler cpu_interrupt_handler;
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bool cpu_exists(int64_t id)
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CPUState *cpu_by_arch_id(int64_t id)
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{
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{
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CPUState *cpu;
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CPUState *cpu;
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@ -42,10 +42,15 @@ bool cpu_exists(int64_t id)
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CPUClass *cc = CPU_GET_CLASS(cpu);
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CPUClass *cc = CPU_GET_CLASS(cpu);
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if (cc->get_arch_id(cpu) == id) {
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if (cc->get_arch_id(cpu) == id) {
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return true;
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return cpu;
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}
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}
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}
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}
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return false;
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return NULL;
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}
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bool cpu_exists(int64_t id)
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{
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return !!cpu_by_arch_id(id);
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}
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}
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CPUState *cpu_generic_init(const char *typename, const char *cpu_model)
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CPUState *cpu_generic_init(const char *typename, const char *cpu_model)
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