ppc: spapr: Make VCPU ID handling private to SPAPR
The concept of a VCPU ID that differs from the CPU's index (cpu->cpu_index) exists only within SPAPR machines so, move the functions ppc_get_vcpu_id() and ppc_get_cpu_by_vcpu_id() into spapr.c and rename them appropriately. Signed-off-by: Sam Bobroff <sam.bobroff@au1.ibm.com> Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
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parent
81210c2009
commit
2e886fb391
21
hw/ppc/ppc.c
21
hw/ppc/ppc.c
@ -1358,27 +1358,6 @@ void PPC_debug_write (void *opaque, uint32_t addr, uint32_t val)
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}
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}
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/* CPU device-tree ID helpers */
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int ppc_get_vcpu_id(PowerPCCPU *cpu)
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{
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return cpu->vcpu_id;
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}
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PowerPCCPU *ppc_get_cpu_by_vcpu_id(int vcpu_id)
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{
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CPUState *cs;
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CPU_FOREACH(cs) {
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PowerPCCPU *cpu = POWERPC_CPU(cs);
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if (cpu->vcpu_id == vcpu_id) {
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return cpu;
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}
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}
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return NULL;
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}
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void ppc_cpu_parse_features(const char *cpu_model)
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{
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CPUClass *cc;
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@ -208,7 +208,7 @@ static int spapr_fixup_cpu_smt_dt(void *fdt, int offset, PowerPCCPU *cpu,
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int i, ret = 0;
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uint32_t servers_prop[smt_threads];
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uint32_t gservers_prop[smt_threads * 2];
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int index = ppc_get_vcpu_id(cpu);
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int index = spapr_vcpu_id(cpu);
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if (cpu->compat_pvr) {
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ret = fdt_setprop_cell(fdt, offset, "cpu-version", cpu->compat_pvr);
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@ -237,7 +237,7 @@ static int spapr_fixup_cpu_smt_dt(void *fdt, int offset, PowerPCCPU *cpu,
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static int spapr_fixup_cpu_numa_dt(void *fdt, int offset, PowerPCCPU *cpu)
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{
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int index = ppc_get_vcpu_id(cpu);
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int index = spapr_vcpu_id(cpu);
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uint32_t associativity[] = {cpu_to_be32(0x5),
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cpu_to_be32(0x0),
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cpu_to_be32(0x0),
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@ -341,7 +341,7 @@ static int spapr_fixup_cpu_dt(void *fdt, sPAPRMachineState *spapr)
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PowerPCCPU *cpu = POWERPC_CPU(cs);
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CPUPPCState *env = &cpu->env;
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DeviceClass *dc = DEVICE_GET_CLASS(cs);
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int index = ppc_get_vcpu_id(cpu);
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int index = spapr_vcpu_id(cpu);
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int compat_smt = MIN(smp_threads, ppc_compat_max_threads(cpu));
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if ((index % smt) != 0) {
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@ -493,7 +493,7 @@ static void spapr_populate_cpu_dt(CPUState *cs, void *fdt, int offset,
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PowerPCCPU *cpu = POWERPC_CPU(cs);
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CPUPPCState *env = &cpu->env;
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PowerPCCPUClass *pcc = POWERPC_CPU_GET_CLASS(cs);
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int index = ppc_get_vcpu_id(cpu);
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int index = spapr_vcpu_id(cpu);
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uint32_t segs[] = {cpu_to_be32(28), cpu_to_be32(40),
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0xffffffff, 0xffffffff};
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uint32_t tbfreq = kvm_enabled() ? kvmppc_get_tbfreq()
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@ -626,7 +626,7 @@ static void spapr_populate_cpus_dt_node(void *fdt, sPAPRMachineState *spapr)
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*/
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CPU_FOREACH_REVERSE(cs) {
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PowerPCCPU *cpu = POWERPC_CPU(cs);
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int index = ppc_get_vcpu_id(cpu);
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int index = spapr_vcpu_id(cpu);
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DeviceClass *dc = DEVICE_GET_CLASS(cs);
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int offset;
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@ -3025,7 +3025,7 @@ static void *spapr_populate_hotplug_cpu_dt(CPUState *cs, int *fdt_offset,
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{
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PowerPCCPU *cpu = POWERPC_CPU(cs);
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DeviceClass *dc = DEVICE_GET_CLASS(cs);
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int id = ppc_get_vcpu_id(cpu);
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int id = spapr_vcpu_id(cpu);
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void *fdt;
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int offset, fdt_size;
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char *nodename;
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@ -3435,7 +3435,7 @@ static void spapr_ics_resend(XICSFabric *dev)
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static ICPState *spapr_icp_get(XICSFabric *xi, int vcpu_id)
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{
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PowerPCCPU *cpu = ppc_get_cpu_by_vcpu_id(vcpu_id);
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PowerPCCPU *cpu = spapr_find_cpu(vcpu_id);
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return cpu ? ICP(cpu->intc) : NULL;
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}
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@ -3455,6 +3455,32 @@ static void spapr_pic_print_info(InterruptStatsProvider *obj,
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ics_pic_print_info(spapr->ics, mon);
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}
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int spapr_vcpu_id(PowerPCCPU *cpu)
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{
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CPUState *cs = CPU(cpu);
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if (kvm_enabled()) {
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return kvm_arch_vcpu_id(cs);
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} else {
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return cs->cpu_index;
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}
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}
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PowerPCCPU *spapr_find_cpu(int vcpu_id)
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{
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CPUState *cs;
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CPU_FOREACH(cs) {
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PowerPCCPU *cpu = POWERPC_CPU(cs);
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if (spapr_vcpu_id(cpu) == vcpu_id) {
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return cpu;
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}
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}
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return NULL;
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}
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static void spapr_machine_class_init(ObjectClass *oc, void *data)
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{
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MachineClass *mc = MACHINE_CLASS(oc);
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@ -999,7 +999,7 @@ static target_ulong h_register_vpa(PowerPCCPU *cpu, sPAPRMachineState *spapr,
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CPUPPCState *tenv;
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PowerPCCPU *tcpu;
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tcpu = ppc_get_cpu_by_vcpu_id(procno);
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tcpu = spapr_find_cpu(procno);
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if (!tcpu) {
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return H_PARAMETER;
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}
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@ -1431,7 +1431,7 @@ static target_ulong h_signal_sys_reset(PowerPCCPU *cpu,
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} else {
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/* Unicast */
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cs = CPU(ppc_get_cpu_by_vcpu_id(target));
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cs = CPU(spapr_find_cpu(target));
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if (cs) {
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run_on_cpu(cs, spapr_do_system_reset_on_cpu, RUN_ON_CPU_NULL);
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return H_SUCCESS;
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@ -104,7 +104,7 @@ static void rtas_query_cpu_stopped_state(PowerPCCPU *cpu_,
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}
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id = rtas_ld(args, 0);
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cpu = ppc_get_cpu_by_vcpu_id(id);
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cpu = spapr_find_cpu(id);
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if (cpu != NULL) {
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if (CPU(cpu)->halted) {
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rtas_st(rets, 1, 0);
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@ -158,7 +158,7 @@ static void rtas_start_cpu(PowerPCCPU *cpu_, sPAPRMachineState *spapr,
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start = rtas_ld(args, 1);
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r3 = rtas_ld(args, 2);
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cpu = ppc_get_cpu_by_vcpu_id(id);
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cpu = spapr_find_cpu(id);
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if (cpu != NULL) {
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CPUState *cs = CPU(cpu);
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CPUPPCState *env = &cpu->env;
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@ -705,4 +705,7 @@ void spapr_do_system_reset_on_cpu(CPUState *cs, run_on_cpu_data arg);
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#define HTAB_SIZE(spapr) (1ULL << ((spapr)->htab_shift))
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int spapr_vcpu_id(PowerPCCPU *cpu);
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PowerPCCPU *spapr_find_cpu(int vcpu_id);
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#endif /* HW_SPAPR_H */
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@ -2514,23 +2514,5 @@ static inline bool lsw_reg_in_range(int start, int nregs, int rx)
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void dump_mmu(FILE *f, fprintf_function cpu_fprintf, CPUPPCState *env);
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/**
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* ppc_get_vcpu_id:
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* @cs: a PowerPCCPU struct.
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*
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* Returns a device-tree ID for a CPU.
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*/
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int ppc_get_vcpu_id(PowerPCCPU *cpu);
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/**
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* ppc_get_cpu_by_vcpu_id:
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* @vcpu_id: a VCPU ID
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*
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* Searches for a CPU by @vcpu_id.
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*
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* Returns: a PowerPCCPU struct
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*/
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PowerPCCPU *ppc_get_cpu_by_vcpu_id(int vcpu_id);
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void ppc_maybe_bswap_register(CPUPPCState *env, uint8_t *mem_buf, int len);
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#endif /* PPC_CPU_H */
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@ -520,7 +520,7 @@ bool kvmppc_is_mem_backend_page_size_ok(const char *obj_path)
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unsigned long kvm_arch_vcpu_id(CPUState *cpu)
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{
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return ppc_get_vcpu_id(POWERPC_CPU(cpu));
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return POWERPC_CPU(cpu)->vcpu_id;
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}
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/* e500 supports 2 h/w breakpoint and 2 watchpoint.
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