#include "qemu/osdep.h" #include "qemu/cutils.h" #include "exec/exec-all.h" #include "helper_regs.h" #include "hw/ppc/ppc.h" #include "hw/ppc/spapr.h" #include "hw/ppc/spapr_cpu_core.h" #include "hw/ppc/spapr_nested.h" #include "mmu-book3s-v3.h" #include "cpu-models.h" #include "qemu/log.h" void spapr_nested_reset(SpaprMachineState *spapr) { if (spapr_get_cap(spapr, SPAPR_CAP_NESTED_KVM_HV)) { spapr_unregister_nested_hv(); spapr_register_nested_hv(); } else if (spapr_get_cap(spapr, SPAPR_CAP_NESTED_PAPR)) { spapr->nested.capabilities_set = false; spapr_unregister_nested_papr(); spapr_register_nested_papr(); spapr_nested_gsb_init(); } else { spapr->nested.api = 0; } } uint8_t spapr_nested_api(SpaprMachineState *spapr) { return spapr->nested.api; } #ifdef CONFIG_TCG bool spapr_get_pate_nested_hv(SpaprMachineState *spapr, PowerPCCPU *cpu, target_ulong lpid, ppc_v3_pate_t *entry) { uint64_t patb, pats; assert(lpid != 0); patb = spapr->nested.ptcr & PTCR_PATB; pats = spapr->nested.ptcr & PTCR_PATS; /* Check if partition table is properly aligned */ if (patb & MAKE_64BIT_MASK(0, pats + 12)) { return false; } /* Calculate number of entries */ pats = 1ull << (pats + 12 - 4); if (pats <= lpid) { return false; } /* Grab entry */ patb += 16 * lpid; entry->dw0 = ldq_phys(CPU(cpu)->as, patb); entry->dw1 = ldq_phys(CPU(cpu)->as, patb + 8); return true; } static SpaprMachineStateNestedGuest *spapr_get_nested_guest(SpaprMachineState *spapr, target_ulong guestid) { SpaprMachineStateNestedGuest *guest; guest = g_hash_table_lookup(spapr->nested.guests, GINT_TO_POINTER(guestid)); return guest; } bool spapr_get_pate_nested_papr(SpaprMachineState *spapr, PowerPCCPU *cpu, target_ulong lpid, ppc_v3_pate_t *entry) { SpaprMachineStateNestedGuest *guest; assert(lpid != 0); guest = spapr_get_nested_guest(spapr, lpid); if (!guest) { return false; } entry->dw0 = guest->parttbl[0]; entry->dw1 = guest->parttbl[1]; return true; } #define PRTS_MASK 0x1f static target_ulong h_set_ptbl(PowerPCCPU *cpu, SpaprMachineState *spapr, target_ulong opcode, target_ulong *args) { target_ulong ptcr = args[0]; if (!spapr_get_cap(spapr, SPAPR_CAP_NESTED_KVM_HV)) { return H_FUNCTION; } if ((ptcr & PRTS_MASK) + 12 - 4 > 12) { return H_PARAMETER; } spapr->nested.ptcr = ptcr; /* Save new partition table */ return H_SUCCESS; } static target_ulong h_tlb_invalidate(PowerPCCPU *cpu, SpaprMachineState *spapr, target_ulong opcode, target_ulong *args) { /* * The spapr virtual hypervisor nested HV implementation retains no L2 * translation state except for TLB. And the TLB is always invalidated * across L1<->L2 transitions, so nothing is required here. */ return H_SUCCESS; } static target_ulong h_copy_tofrom_guest(PowerPCCPU *cpu, SpaprMachineState *spapr, target_ulong opcode, target_ulong *args) { /* * This HCALL is not required, L1 KVM will take a slow path and walk the * page tables manually to do the data copy. */ return H_FUNCTION; } static void nested_save_state(struct nested_ppc_state *save, PowerPCCPU *cpu) { CPUPPCState *env = &cpu->env; SpaprMachineState *spapr = SPAPR_MACHINE(qdev_get_machine()); memcpy(save->gpr, env->gpr, sizeof(save->gpr)); save->lr = env->lr; save->ctr = env->ctr; save->cfar = env->cfar; save->msr = env->msr; save->nip = env->nip; save->cr = ppc_get_cr(env); save->xer = cpu_read_xer(env); save->lpcr = env->spr[SPR_LPCR]; save->lpidr = env->spr[SPR_LPIDR]; save->pcr = env->spr[SPR_PCR]; save->dpdes = env->spr[SPR_DPDES]; save->hfscr = env->spr[SPR_HFSCR]; save->srr0 = env->spr[SPR_SRR0]; save->srr1 = env->spr[SPR_SRR1]; save->sprg0 = env->spr[SPR_SPRG0]; save->sprg1 = env->spr[SPR_SPRG1]; save->sprg2 = env->spr[SPR_SPRG2]; save->sprg3 = env->spr[SPR_SPRG3]; save->pidr = env->spr[SPR_BOOKS_PID]; save->ppr = env->spr[SPR_PPR]; if (spapr_nested_api(spapr) == NESTED_API_PAPR) { save->amor = env->spr[SPR_AMOR]; save->dawr0 = env->spr[SPR_DAWR0]; save->dawrx0 = env->spr[SPR_DAWRX0]; save->ciabr = env->spr[SPR_CIABR]; save->purr = env->spr[SPR_PURR]; save->spurr = env->spr[SPR_SPURR]; save->ic = env->spr[SPR_IC]; save->vtb = env->spr[SPR_VTB]; save->hdar = env->spr[SPR_HDAR]; save->hdsisr = env->spr[SPR_HDSISR]; save->heir = env->spr[SPR_HEIR]; save->asdr = env->spr[SPR_ASDR]; save->dawr1 = env->spr[SPR_DAWR1]; save->dawrx1 = env->spr[SPR_DAWRX1]; save->dexcr = env->spr[SPR_DEXCR]; save->hdexcr = env->spr[SPR_HDEXCR]; save->hashkeyr = env->spr[SPR_HASHKEYR]; save->hashpkeyr = env->spr[SPR_HASHPKEYR]; memcpy(save->vsr, env->vsr, sizeof(save->vsr)); save->ebbhr = env->spr[SPR_EBBHR]; save->tar = env->spr[SPR_TAR]; save->ebbrr = env->spr[SPR_EBBRR]; save->bescr = env->spr[SPR_BESCR]; save->iamr = env->spr[SPR_IAMR]; save->amr = env->spr[SPR_AMR]; save->uamor = env->spr[SPR_UAMOR]; save->dscr = env->spr[SPR_DSCR]; save->fscr = env->spr[SPR_FSCR]; save->pspb = env->spr[SPR_PSPB]; save->ctrl = env->spr[SPR_CTRL]; save->vrsave = env->spr[SPR_VRSAVE]; save->dar = env->spr[SPR_DAR]; save->dsisr = env->spr[SPR_DSISR]; save->pmc1 = env->spr[SPR_POWER_PMC1]; save->pmc2 = env->spr[SPR_POWER_PMC2]; save->pmc3 = env->spr[SPR_POWER_PMC3]; save->pmc4 = env->spr[SPR_POWER_PMC4]; save->pmc5 = env->spr[SPR_POWER_PMC5]; save->pmc6 = env->spr[SPR_POWER_PMC6]; save->mmcr0 = env->spr[SPR_POWER_MMCR0]; save->mmcr1 = env->spr[SPR_POWER_MMCR1]; save->mmcr2 = env->spr[SPR_POWER_MMCR2]; save->mmcra = env->spr[SPR_POWER_MMCRA]; save->sdar = env->spr[SPR_POWER_SDAR]; save->siar = env->spr[SPR_POWER_SIAR]; save->sier = env->spr[SPR_POWER_SIER]; save->vscr = ppc_get_vscr(env); save->fpscr = env->fpscr; } else if (spapr_nested_api(spapr) == NESTED_API_KVM_HV) { save->tb_offset = env->tb_env->tb_offset; } } static void nested_post_load_state(CPUPPCState *env, CPUState *cs) { /* * compute hflags and possible interrupts. */ hreg_compute_hflags(env); ppc_maybe_interrupt(env); /* * Nested HV does not tag TLB entries between L1 and L2, so must * flush on transition. */ tlb_flush(cs); env->reserve_addr = -1; /* Reset the reservation */ } static void nested_load_state(PowerPCCPU *cpu, struct nested_ppc_state *load) { CPUPPCState *env = &cpu->env; SpaprMachineState *spapr = SPAPR_MACHINE(qdev_get_machine()); memcpy(env->gpr, load->gpr, sizeof(env->gpr)); env->lr = load->lr; env->ctr = load->ctr; env->cfar = load->cfar; env->msr = load->msr; env->nip = load->nip; ppc_set_cr(env, load->cr); cpu_write_xer(env, load->xer); env->spr[SPR_LPCR] = load->lpcr; env->spr[SPR_LPIDR] = load->lpidr; env->spr[SPR_PCR] = load->pcr; env->spr[SPR_DPDES] = load->dpdes; env->spr[SPR_HFSCR] = load->hfscr; env->spr[SPR_SRR0] = load->srr0; env->spr[SPR_SRR1] = load->srr1; env->spr[SPR_SPRG0] = load->sprg0; env->spr[SPR_SPRG1] = load->sprg1; env->spr[SPR_SPRG2] = load->sprg2; env->spr[SPR_SPRG3] = load->sprg3; env->spr[SPR_BOOKS_PID] = load->pidr; env->spr[SPR_PPR] = load->ppr; if (spapr_nested_api(spapr) == NESTED_API_PAPR) { env->spr[SPR_AMOR] = load->amor; env->spr[SPR_DAWR0] = load->dawr0; env->spr[SPR_DAWRX0] = load->dawrx0; env->spr[SPR_CIABR] = load->ciabr; env->spr[SPR_PURR] = load->purr; env->spr[SPR_SPURR] = load->purr; env->spr[SPR_IC] = load->ic; env->spr[SPR_VTB] = load->vtb; env->spr[SPR_HDAR] = load->hdar; env->spr[SPR_HDSISR] = load->hdsisr; env->spr[SPR_HEIR] = load->heir; env->spr[SPR_ASDR] = load->asdr; env->spr[SPR_DAWR1] = load->dawr1; env->spr[SPR_DAWRX1] = load->dawrx1; env->spr[SPR_DEXCR] = load->dexcr; env->spr[SPR_HDEXCR] = load->hdexcr; env->spr[SPR_HASHKEYR] = load->hashkeyr; env->spr[SPR_HASHPKEYR] = load->hashpkeyr; memcpy(env->vsr, load->vsr, sizeof(env->vsr)); env->spr[SPR_EBBHR] = load->ebbhr; env->spr[SPR_TAR] = load->tar; env->spr[SPR_EBBRR] = load->ebbrr; env->spr[SPR_BESCR] = load->bescr; env->spr[SPR_IAMR] = load->iamr; env->spr[SPR_AMR] = load->amr; env->spr[SPR_UAMOR] = load->uamor; env->spr[SPR_DSCR] = load->dscr; env->spr[SPR_FSCR] = load->fscr; env->spr[SPR_PSPB] = load->pspb; env->spr[SPR_CTRL] = load->ctrl; env->spr[SPR_VRSAVE] = load->vrsave; env->spr[SPR_DAR] = load->dar; env->spr[SPR_DSISR] = load->dsisr; env->spr[SPR_POWER_PMC1] = load->pmc1; env->spr[SPR_POWER_PMC2] = load->pmc2; env->spr[SPR_POWER_PMC3] = load->pmc3; env->spr[SPR_POWER_PMC4] = load->pmc4; env->spr[SPR_POWER_PMC5] = load->pmc5; env->spr[SPR_POWER_PMC6] = load->pmc6; env->spr[SPR_POWER_MMCR0] = load->mmcr0; env->spr[SPR_POWER_MMCR1] = load->mmcr1; env->spr[SPR_POWER_MMCR2] = load->mmcr2; env->spr[SPR_POWER_MMCRA] = load->mmcra; env->spr[SPR_POWER_SDAR] = load->sdar; env->spr[SPR_POWER_SIAR] = load->siar; env->spr[SPR_POWER_SIER] = load->sier; ppc_store_vscr(env, load->vscr); ppc_store_fpscr(env, load->fpscr); } else if (spapr_nested_api(spapr) == NESTED_API_KVM_HV) { env->tb_env->tb_offset = load->tb_offset; } } /* * When this handler returns, the environment is switched to the L2 guest * and TCG begins running that. spapr_exit_nested() performs the switch from * L2 back to L1 and returns from the H_ENTER_NESTED hcall. */ static target_ulong h_enter_nested(PowerPCCPU *cpu, SpaprMachineState *spapr, target_ulong opcode, target_ulong *args) { PowerPCCPUClass *pcc = POWERPC_CPU_GET_CLASS(cpu); CPUPPCState *env = &cpu->env; CPUState *cs = CPU(cpu); SpaprCpuState *spapr_cpu = spapr_cpu_state(cpu); struct nested_ppc_state l2_state; target_ulong hv_ptr = args[0]; target_ulong regs_ptr = args[1]; target_ulong hdec, now = cpu_ppc_load_tbl(env); target_ulong lpcr, lpcr_mask; struct kvmppc_hv_guest_state *hvstate; struct kvmppc_hv_guest_state hv_state; struct kvmppc_pt_regs *regs; hwaddr len; if (spapr->nested.ptcr == 0) { return H_NOT_AVAILABLE; } len = sizeof(*hvstate); hvstate = address_space_map(CPU(cpu)->as, hv_ptr, &len, false, MEMTXATTRS_UNSPECIFIED); if (len != sizeof(*hvstate)) { address_space_unmap(CPU(cpu)->as, hvstate, len, 0, false); return H_PARAMETER; } memcpy(&hv_state, hvstate, len); address_space_unmap(CPU(cpu)->as, hvstate, len, len, false); /* * We accept versions 1 and 2. Version 2 fields are unused because TCG * does not implement DAWR*. */ if (hv_state.version > HV_GUEST_STATE_VERSION) { return H_PARAMETER; } if (hv_state.lpid == 0) { return H_PARAMETER; } spapr_cpu->nested_host_state = g_try_new(struct nested_ppc_state, 1); if (!spapr_cpu->nested_host_state) { return H_NO_MEM; } assert(env->spr[SPR_LPIDR] == 0); assert(env->spr[SPR_DPDES] == 0); nested_save_state(spapr_cpu->nested_host_state, cpu); len = sizeof(*regs); regs = address_space_map(CPU(cpu)->as, regs_ptr, &len, false, MEMTXATTRS_UNSPECIFIED); if (!regs || len != sizeof(*regs)) { address_space_unmap(CPU(cpu)->as, regs, len, 0, false); g_free(spapr_cpu->nested_host_state); return H_P2; } len = sizeof(l2_state.gpr); assert(len == sizeof(regs->gpr)); memcpy(l2_state.gpr, regs->gpr, len); l2_state.lr = regs->link; l2_state.ctr = regs->ctr; l2_state.xer = regs->xer; l2_state.cr = regs->ccr; l2_state.msr = regs->msr; l2_state.nip = regs->nip; address_space_unmap(CPU(cpu)->as, regs, len, len, false); l2_state.cfar = hv_state.cfar; l2_state.lpidr = hv_state.lpid; lpcr_mask = LPCR_DPFD | LPCR_ILE | LPCR_AIL | LPCR_LD | LPCR_MER; lpcr = (env->spr[SPR_LPCR] & ~lpcr_mask) | (hv_state.lpcr & lpcr_mask); lpcr |= LPCR_HR | LPCR_UPRT | LPCR_GTSE | LPCR_HVICE | LPCR_HDICE; lpcr &= ~LPCR_LPES0; l2_state.lpcr = lpcr & pcc->lpcr_mask; l2_state.pcr = hv_state.pcr; /* hv_state.amor is not used */ l2_state.dpdes = hv_state.dpdes; l2_state.hfscr = hv_state.hfscr; /* TCG does not implement DAWR*, CIABR, PURR, SPURR, IC, VTB, HEIR SPRs*/ l2_state.srr0 = hv_state.srr0; l2_state.srr1 = hv_state.srr1; l2_state.sprg0 = hv_state.sprg[0]; l2_state.sprg1 = hv_state.sprg[1]; l2_state.sprg2 = hv_state.sprg[2]; l2_state.sprg3 = hv_state.sprg[3]; l2_state.pidr = hv_state.pidr; l2_state.ppr = hv_state.ppr; l2_state.tb_offset = env->tb_env->tb_offset + hv_state.tb_offset; /* * Switch to the nested guest environment and start the "hdec" timer. */ nested_load_state(cpu, &l2_state); nested_post_load_state(env, cs); hdec = hv_state.hdec_expiry - now; cpu_ppc_hdecr_init(env); cpu_ppc_store_hdecr(env, hdec); /* * The hv_state.vcpu_token is not needed. It is used by the KVM * implementation to remember which L2 vCPU last ran on which physical * CPU so as to invalidate process scope translations if it is moved * between physical CPUs. For now TLBs are always flushed on L1<->L2 * transitions so this is not a problem. * * Could validate that the same vcpu_token does not attempt to run on * different L1 vCPUs at the same time, but that would be a L1 KVM bug * and it's not obviously worth a new data structure to do it. */ spapr_cpu->in_nested = true; /* * The spapr hcall helper sets env->gpr[3] to the return value, but at * this point the L1 is not returning from the hcall but rather we * start running the L2, so r3 must not be clobbered, so return env->gpr[3] * to leave it unchanged. */ return env->gpr[3]; } static void spapr_exit_nested_hv(PowerPCCPU *cpu, int excp) { CPUPPCState *env = &cpu->env; CPUState *cs = CPU(cpu); SpaprCpuState *spapr_cpu = spapr_cpu_state(cpu); struct nested_ppc_state l2_state; target_ulong hv_ptr = spapr_cpu->nested_host_state->gpr[4]; target_ulong regs_ptr = spapr_cpu->nested_host_state->gpr[5]; target_ulong hsrr0, hsrr1, hdar, asdr, hdsisr; struct kvmppc_hv_guest_state *hvstate; struct kvmppc_pt_regs *regs; hwaddr len; nested_save_state(&l2_state, cpu); hsrr0 = env->spr[SPR_HSRR0]; hsrr1 = env->spr[SPR_HSRR1]; hdar = env->spr[SPR_HDAR]; hdsisr = env->spr[SPR_HDSISR]; asdr = env->spr[SPR_ASDR]; /* * Switch back to the host environment (including for any error). */ assert(env->spr[SPR_LPIDR] != 0); nested_load_state(cpu, spapr_cpu->nested_host_state); nested_post_load_state(env, cs); env->gpr[3] = env->excp_vectors[excp]; /* hcall return value */ cpu_ppc_hdecr_exit(env); spapr_cpu->in_nested = false; g_free(spapr_cpu->nested_host_state); spapr_cpu->nested_host_state = NULL; len = sizeof(*hvstate); hvstate = address_space_map(CPU(cpu)->as, hv_ptr, &len, true, MEMTXATTRS_UNSPECIFIED); if (len != sizeof(*hvstate)) { address_space_unmap(CPU(cpu)->as, hvstate, len, 0, true); env->gpr[3] = H_PARAMETER; return; } hvstate->cfar = l2_state.cfar; hvstate->lpcr = l2_state.lpcr; hvstate->pcr = l2_state.pcr; hvstate->dpdes = l2_state.dpdes; hvstate->hfscr = l2_state.hfscr; if (excp == POWERPC_EXCP_HDSI) { hvstate->hdar = hdar; hvstate->hdsisr = hdsisr; hvstate->asdr = asdr; } else if (excp == POWERPC_EXCP_HISI) { hvstate->asdr = asdr; } /* HEIR should be implemented for HV mode and saved here. */ hvstate->srr0 = l2_state.srr0; hvstate->srr1 = l2_state.srr1; hvstate->sprg[0] = l2_state.sprg0; hvstate->sprg[1] = l2_state.sprg1; hvstate->sprg[2] = l2_state.sprg2; hvstate->sprg[3] = l2_state.sprg3; hvstate->pidr = l2_state.pidr; hvstate->ppr = l2_state.ppr; /* Is it okay to specify write length larger than actual data written? */ address_space_unmap(CPU(cpu)->as, hvstate, len, len, true); len = sizeof(*regs); regs = address_space_map(CPU(cpu)->as, regs_ptr, &len, true, MEMTXATTRS_UNSPECIFIED); if (!regs || len != sizeof(*regs)) { address_space_unmap(CPU(cpu)->as, regs, len, 0, true); env->gpr[3] = H_P2; return; } len = sizeof(env->gpr); assert(len == sizeof(regs->gpr)); memcpy(regs->gpr, l2_state.gpr, len); regs->link = l2_state.lr; regs->ctr = l2_state.ctr; regs->xer = l2_state.xer; regs->ccr = l2_state.cr; if (excp == POWERPC_EXCP_MCHECK || excp == POWERPC_EXCP_RESET || excp == POWERPC_EXCP_SYSCALL) { regs->nip = l2_state.srr0; regs->msr = l2_state.srr1 & env->msr_mask; } else { regs->nip = hsrr0; regs->msr = hsrr1 & env->msr_mask; } /* Is it okay to specify write length larger than actual data written? */ address_space_unmap(CPU(cpu)->as, regs, len, len, true); } static bool spapr_nested_vcpu_check(SpaprMachineStateNestedGuest *guest, target_ulong vcpuid, bool inoutbuf) { struct SpaprMachineStateNestedGuestVcpu *vcpu; /* * Perform sanity checks for the provided vcpuid of a guest. * For now, ensure its valid, allocated and enabled for use. */ if (vcpuid >= PAPR_NESTED_GUEST_VCPU_MAX) { return false; } if (!(vcpuid < guest->nr_vcpus)) { return false; } vcpu = &guest->vcpus[vcpuid]; if (!vcpu->enabled) { return false; } if (!inoutbuf) { return true; } /* Check to see if the in/out buffers are registered */ if (vcpu->runbufin.addr && vcpu->runbufout.addr) { return true; } return false; } static void *get_vcpu_state_ptr(SpaprMachineStateNestedGuest *guest, target_ulong vcpuid) { assert(spapr_nested_vcpu_check(guest, vcpuid, false)); return &guest->vcpus[vcpuid].state; } static void *get_vcpu_ptr(SpaprMachineStateNestedGuest *guest, target_ulong vcpuid) { assert(spapr_nested_vcpu_check(guest, vcpuid, false)); return &guest->vcpus[vcpuid]; } static void *get_guest_ptr(SpaprMachineStateNestedGuest *guest, target_ulong vcpuid) { return guest; /* for GSBE_NESTED */ } /* * set=1 means the L1 is trying to set some state * set=0 means the L1 is trying to get some state */ static void copy_state_8to8(void *a, void *b, bool set) { /* set takes from the Big endian element_buf and sets internal buffer */ if (set) { *(uint64_t *)a = be64_to_cpu(*(uint64_t *)b); } else { *(uint64_t *)b = cpu_to_be64(*(uint64_t *)a); } } static void copy_state_4to4(void *a, void *b, bool set) { if (set) { *(uint32_t *)a = be32_to_cpu(*(uint32_t *)b); } else { *(uint32_t *)b = cpu_to_be32(*((uint32_t *)a)); } } static void copy_state_16to16(void *a, void *b, bool set) { uint64_t *src, *dst; if (set) { src = b; dst = a; dst[1] = be64_to_cpu(src[0]); dst[0] = be64_to_cpu(src[1]); } else { src = a; dst = b; dst[1] = cpu_to_be64(src[0]); dst[0] = cpu_to_be64(src[1]); } } static void copy_state_4to8(void *a, void *b, bool set) { if (set) { *(uint64_t *)a = (uint64_t) be32_to_cpu(*(uint32_t *)b); } else { *(uint32_t *)b = cpu_to_be32((uint32_t) (*((uint64_t *)a))); } } static void copy_state_pagetbl(void *a, void *b, bool set) { uint64_t *pagetbl; uint64_t *buf; /* 3 double words */ uint64_t rts; assert(set); pagetbl = a; buf = b; *pagetbl = be64_to_cpu(buf[0]); /* as per ISA section 6.7.6.1 */ *pagetbl |= PATE0_HR; /* Host Radix bit is 1 */ /* RTS */ rts = be64_to_cpu(buf[1]); assert(rts == 52); rts = rts - 31; /* since radix tree size = 2^(RTS+31) */ *pagetbl |= ((rts & 0x7) << 5); /* RTS2 is bit 56:58 */ *pagetbl |= (((rts >> 3) & 0x3) << 61); /* RTS1 is bit 1:2 */ /* RPDS {Size = 2^(RPDS+3) , RPDS >=5} */ *pagetbl |= 63 - clz64(be64_to_cpu(buf[2])) - 3; } static void copy_state_proctbl(void *a, void *b, bool set) { uint64_t *proctbl; uint64_t *buf; /* 2 double words */ assert(set); proctbl = a; buf = b; /* PRTB: Process Table Base */ *proctbl = be64_to_cpu(buf[0]); /* PRTS: Process Table Size = 2^(12+PRTS) */ if (be64_to_cpu(buf[1]) == (1ULL << 12)) { *proctbl |= 0; } else if (be64_to_cpu(buf[1]) == (1ULL << 24)) { *proctbl |= 12; } else { g_assert_not_reached(); } } static void copy_state_runbuf(void *a, void *b, bool set) { uint64_t *buf; /* 2 double words */ struct SpaprMachineStateNestedGuestVcpuRunBuf *runbuf; assert(set); runbuf = a; buf = b; runbuf->addr = be64_to_cpu(buf[0]); assert(runbuf->addr); /* per spec */ assert(be64_to_cpu(buf[1]) <= 16384); /* * This will also hit in the input buffer but should be fine for * now. If not we can split this function. */ assert(be64_to_cpu(buf[1]) >= VCPU_OUT_BUF_MIN_SZ); runbuf->size = be64_to_cpu(buf[1]); } /* tell the L1 how big we want the output vcpu run buffer */ static void out_buf_min_size(void *a, void *b, bool set) { uint64_t *buf; /* 1 double word */ assert(!set); buf = b; buf[0] = cpu_to_be64(VCPU_OUT_BUF_MIN_SZ); } static void copy_logical_pvr(void *a, void *b, bool set) { SpaprMachineStateNestedGuest *guest; uint32_t *buf; /* 1 word */ uint32_t *pvr_logical_ptr; uint32_t pvr_logical; target_ulong pcr = 0; pvr_logical_ptr = a; buf = b; if (!set) { buf[0] = cpu_to_be32(*pvr_logical_ptr); return; } pvr_logical = be32_to_cpu(buf[0]); *pvr_logical_ptr = pvr_logical; if (*pvr_logical_ptr) { switch (*pvr_logical_ptr) { case CPU_POWERPC_LOGICAL_3_10_P11: case CPU_POWERPC_LOGICAL_3_10: pcr = PCR_COMPAT_3_10 | PCR_COMPAT_3_00; break; case CPU_POWERPC_LOGICAL_3_00: pcr = PCR_COMPAT_3_00; break; default: qemu_log_mask(LOG_GUEST_ERROR, "Could not set PCR for LPVR=0x%08x\n", *pvr_logical_ptr); return; } } guest = container_of(pvr_logical_ptr, struct SpaprMachineStateNestedGuest, pvr_logical); for (int i = 0; i < guest->nr_vcpus; i++) { guest->vcpus[i].state.pcr = ~pcr | HVMASK_PCR; } } static void copy_tb_offset(void *a, void *b, bool set) { SpaprMachineStateNestedGuest *guest; uint64_t *buf; /* 1 double word */ uint64_t *tb_offset_ptr; uint64_t tb_offset; tb_offset_ptr = a; buf = b; if (!set) { buf[0] = cpu_to_be64(*tb_offset_ptr); return; } tb_offset = be64_to_cpu(buf[0]); /* need to copy this to the individual tb_offset for each vcpu */ guest = container_of(tb_offset_ptr, struct SpaprMachineStateNestedGuest, tb_offset); for (int i = 0; i < guest->nr_vcpus; i++) { guest->vcpus[i].tb_offset = tb_offset; } } static void copy_state_hdecr(void *a, void *b, bool set) { uint64_t *buf; /* 1 double word */ uint64_t *hdecr_expiry_tb; hdecr_expiry_tb = a; buf = b; if (!set) { buf[0] = cpu_to_be64(*hdecr_expiry_tb); return; } *hdecr_expiry_tb = be64_to_cpu(buf[0]); } struct guest_state_element_type guest_state_element_types[] = { GUEST_STATE_ELEMENT_NOP(GSB_HV_VCPU_IGNORED_ID, 0), GUEST_STATE_ELEMENT_ENV_DW(GSB_VCPU_GPR0, gpr[0]), GUEST_STATE_ELEMENT_ENV_DW(GSB_VCPU_GPR1, gpr[1]), GUEST_STATE_ELEMENT_ENV_DW(GSB_VCPU_GPR2, gpr[2]), GUEST_STATE_ELEMENT_ENV_DW(GSB_VCPU_GPR3, gpr[3]), GUEST_STATE_ELEMENT_ENV_DW(GSB_VCPU_GPR4, gpr[4]), GUEST_STATE_ELEMENT_ENV_DW(GSB_VCPU_GPR5, gpr[5]), GUEST_STATE_ELEMENT_ENV_DW(GSB_VCPU_GPR6, gpr[6]), GUEST_STATE_ELEMENT_ENV_DW(GSB_VCPU_GPR7, gpr[7]), GUEST_STATE_ELEMENT_ENV_DW(GSB_VCPU_GPR8, gpr[8]), GUEST_STATE_ELEMENT_ENV_DW(GSB_VCPU_GPR9, gpr[9]), GUEST_STATE_ELEMENT_ENV_DW(GSB_VCPU_GPR10, gpr[10]), GUEST_STATE_ELEMENT_ENV_DW(GSB_VCPU_GPR11, gpr[11]), GUEST_STATE_ELEMENT_ENV_DW(GSB_VCPU_GPR12, gpr[12]), GUEST_STATE_ELEMENT_ENV_DW(GSB_VCPU_GPR13, gpr[13]), GUEST_STATE_ELEMENT_ENV_DW(GSB_VCPU_GPR14, gpr[14]), GUEST_STATE_ELEMENT_ENV_DW(GSB_VCPU_GPR15, gpr[15]), GUEST_STATE_ELEMENT_ENV_DW(GSB_VCPU_GPR16, gpr[16]), GUEST_STATE_ELEMENT_ENV_DW(GSB_VCPU_GPR17, gpr[17]), GUEST_STATE_ELEMENT_ENV_DW(GSB_VCPU_GPR18, gpr[18]), GUEST_STATE_ELEMENT_ENV_DW(GSB_VCPU_GPR19, gpr[19]), GUEST_STATE_ELEMENT_ENV_DW(GSB_VCPU_GPR20, gpr[20]), GUEST_STATE_ELEMENT_ENV_DW(GSB_VCPU_GPR21, gpr[21]), GUEST_STATE_ELEMENT_ENV_DW(GSB_VCPU_GPR22, gpr[22]), GUEST_STATE_ELEMENT_ENV_DW(GSB_VCPU_GPR23, gpr[23]), GUEST_STATE_ELEMENT_ENV_DW(GSB_VCPU_GPR24, gpr[24]), GUEST_STATE_ELEMENT_ENV_DW(GSB_VCPU_GPR25, gpr[25]), GUEST_STATE_ELEMENT_ENV_DW(GSB_VCPU_GPR26, gpr[26]), GUEST_STATE_ELEMENT_ENV_DW(GSB_VCPU_GPR27, gpr[27]), GUEST_STATE_ELEMENT_ENV_DW(GSB_VCPU_GPR28, gpr[28]), GUEST_STATE_ELEMENT_ENV_DW(GSB_VCPU_GPR29, gpr[29]), GUEST_STATE_ELEMENT_ENV_DW(GSB_VCPU_GPR30, gpr[30]), GUEST_STATE_ELEMENT_ENV_DW(GSB_VCPU_GPR31, gpr[31]), GUEST_STATE_ELEMENT_ENV_DW(GSB_VCPU_SPR_NIA, nip), GSE_ENV_DWM(GSB_VCPU_SPR_MSR, msr, HVMASK_MSR), GUEST_STATE_ELEMENT_ENV_DW(GSB_VCPU_SPR_CTR, ctr), GUEST_STATE_ELEMENT_ENV_DW(GSB_VCPU_SPR_LR, lr), GUEST_STATE_ELEMENT_ENV_DW(GSB_VCPU_SPR_XER, xer), GUEST_STATE_ELEMENT_ENV_WW(GSB_VCPU_SPR_CR, cr), GUEST_STATE_ELEMENT_NOP_DW(GSB_VCPU_SPR_MMCR3), GUEST_STATE_ELEMENT_NOP_DW(GSB_VCPU_SPR_SIER2), GUEST_STATE_ELEMENT_NOP_DW(GSB_VCPU_SPR_SIER3), GUEST_STATE_ELEMENT_NOP_W(GSB_VCPU_SPR_WORT), GSE_ENV_DWM(GSB_VCPU_SPR_LPCR, lpcr, HVMASK_LPCR), GUEST_STATE_ELEMENT_ENV_DW(GSB_VCPU_SPR_AMOR, amor), GUEST_STATE_ELEMENT_ENV_DW(GSB_VCPU_SPR_HFSCR, hfscr), GUEST_STATE_ELEMENT_ENV_DW(GSB_VCPU_SPR_DAWR0, dawr0), GUEST_STATE_ELEMENT_ENV_W(GSB_VCPU_SPR_DAWRX0, dawrx0), GUEST_STATE_ELEMENT_ENV_DW(GSB_VCPU_SPR_CIABR, ciabr), GUEST_STATE_ELEMENT_ENV_DW(GSB_VCPU_SPR_PURR, purr), GUEST_STATE_ELEMENT_ENV_DW(GSB_VCPU_SPR_SPURR, spurr), GUEST_STATE_ELEMENT_ENV_DW(GSB_VCPU_SPR_IC, ic), GUEST_STATE_ELEMENT_ENV_DW(GSB_VCPU_SPR_VTB, vtb), GUEST_STATE_ELEMENT_ENV_DW(GSB_VCPU_SPR_HDAR, hdar), GUEST_STATE_ELEMENT_ENV_W(GSB_VCPU_SPR_HDSISR, hdsisr), GUEST_STATE_ELEMENT_ENV_W(GSB_VCPU_SPR_HEIR, heir), GUEST_STATE_ELEMENT_ENV_DW(GSB_VCPU_SPR_ASDR, asdr), GUEST_STATE_ELEMENT_ENV_DW(GSB_VCPU_SPR_SRR0, srr0), GUEST_STATE_ELEMENT_ENV_DW(GSB_VCPU_SPR_SRR1, srr1), GUEST_STATE_ELEMENT_ENV_DW(GSB_VCPU_SPR_SPRG0, sprg0), GUEST_STATE_ELEMENT_ENV_DW(GSB_VCPU_SPR_SPRG1, sprg1), GUEST_STATE_ELEMENT_ENV_DW(GSB_VCPU_SPR_SPRG2, sprg2), GUEST_STATE_ELEMENT_ENV_DW(GSB_VCPU_SPR_SPRG3, sprg3), GUEST_STATE_ELEMENT_ENV_W(GSB_VCPU_SPR_PIDR, pidr), GUEST_STATE_ELEMENT_ENV_DW(GSB_VCPU_SPR_CFAR, cfar), GUEST_STATE_ELEMENT_ENV_DW(GSB_VCPU_SPR_PPR, ppr), GUEST_STATE_ELEMENT_ENV_DW(GSB_VCPU_SPR_DAWR1, dawr1), GUEST_STATE_ELEMENT_ENV_W(GSB_VCPU_SPR_DAWRX1, dawrx1), GUEST_STATE_ELEMENT_ENV_DW(GSB_VCPU_SPR_DEXCR, dexcr), GSE_ENV_DWM(GSB_VCPU_SPR_HDEXCR, hdexcr, HVMASK_HDEXCR), GUEST_STATE_ELEMENT_ENV_DW(GSB_VCPU_SPR_HASHKEYR, hashkeyr), GUEST_STATE_ELEMENT_ENV_DW(GSB_VCPU_SPR_HASHPKEYR, hashpkeyr), GUEST_STATE_ELEMENT_ENV_QW(GSB_VCPU_SPR_VSR0, vsr[0]), GUEST_STATE_ELEMENT_ENV_QW(GSB_VCPU_SPR_VSR1, vsr[1]), GUEST_STATE_ELEMENT_ENV_QW(GSB_VCPU_SPR_VSR2, vsr[2]), GUEST_STATE_ELEMENT_ENV_QW(GSB_VCPU_SPR_VSR3, vsr[3]), GUEST_STATE_ELEMENT_ENV_QW(GSB_VCPU_SPR_VSR4, vsr[4]), GUEST_STATE_ELEMENT_ENV_QW(GSB_VCPU_SPR_VSR5, vsr[5]), GUEST_STATE_ELEMENT_ENV_QW(GSB_VCPU_SPR_VSR6, vsr[6]), GUEST_STATE_ELEMENT_ENV_QW(GSB_VCPU_SPR_VSR7, vsr[7]), GUEST_STATE_ELEMENT_ENV_QW(GSB_VCPU_SPR_VSR8, vsr[8]), GUEST_STATE_ELEMENT_ENV_QW(GSB_VCPU_SPR_VSR9, vsr[9]), GUEST_STATE_ELEMENT_ENV_QW(GSB_VCPU_SPR_VSR10, vsr[10]), GUEST_STATE_ELEMENT_ENV_QW(GSB_VCPU_SPR_VSR11, vsr[11]), GUEST_STATE_ELEMENT_ENV_QW(GSB_VCPU_SPR_VSR12, vsr[12]), GUEST_STATE_ELEMENT_ENV_QW(GSB_VCPU_SPR_VSR13, vsr[13]), GUEST_STATE_ELEMENT_ENV_QW(GSB_VCPU_SPR_VSR14, vsr[14]), GUEST_STATE_ELEMENT_ENV_QW(GSB_VCPU_SPR_VSR15, vsr[15]), GUEST_STATE_ELEMENT_ENV_QW(GSB_VCPU_SPR_VSR16, vsr[16]), GUEST_STATE_ELEMENT_ENV_QW(GSB_VCPU_SPR_VSR17, vsr[17]), GUEST_STATE_ELEMENT_ENV_QW(GSB_VCPU_SPR_VSR18, vsr[18]), GUEST_STATE_ELEMENT_ENV_QW(GSB_VCPU_SPR_VSR19, vsr[19]), GUEST_STATE_ELEMENT_ENV_QW(GSB_VCPU_SPR_VSR20, vsr[20]), GUEST_STATE_ELEMENT_ENV_QW(GSB_VCPU_SPR_VSR21, vsr[21]), GUEST_STATE_ELEMENT_ENV_QW(GSB_VCPU_SPR_VSR22, vsr[22]), GUEST_STATE_ELEMENT_ENV_QW(GSB_VCPU_SPR_VSR23, vsr[23]), GUEST_STATE_ELEMENT_ENV_QW(GSB_VCPU_SPR_VSR24, vsr[24]), GUEST_STATE_ELEMENT_ENV_QW(GSB_VCPU_SPR_VSR25, vsr[25]), GUEST_STATE_ELEMENT_ENV_QW(GSB_VCPU_SPR_VSR26, vsr[26]), GUEST_STATE_ELEMENT_ENV_QW(GSB_VCPU_SPR_VSR27, vsr[27]), GUEST_STATE_ELEMENT_ENV_QW(GSB_VCPU_SPR_VSR28, vsr[28]), GUEST_STATE_ELEMENT_ENV_QW(GSB_VCPU_SPR_VSR29, vsr[29]), GUEST_STATE_ELEMENT_ENV_QW(GSB_VCPU_SPR_VSR30, vsr[30]), GUEST_STATE_ELEMENT_ENV_QW(GSB_VCPU_SPR_VSR31, vsr[31]), GUEST_STATE_ELEMENT_ENV_QW(GSB_VCPU_SPR_VSR32, vsr[32]), GUEST_STATE_ELEMENT_ENV_QW(GSB_VCPU_SPR_VSR33, vsr[33]), GUEST_STATE_ELEMENT_ENV_QW(GSB_VCPU_SPR_VSR34, vsr[34]), GUEST_STATE_ELEMENT_ENV_QW(GSB_VCPU_SPR_VSR35, vsr[35]), GUEST_STATE_ELEMENT_ENV_QW(GSB_VCPU_SPR_VSR36, vsr[36]), GUEST_STATE_ELEMENT_ENV_QW(GSB_VCPU_SPR_VSR37, vsr[37]), GUEST_STATE_ELEMENT_ENV_QW(GSB_VCPU_SPR_VSR38, vsr[38]), GUEST_STATE_ELEMENT_ENV_QW(GSB_VCPU_SPR_VSR39, vsr[39]), GUEST_STATE_ELEMENT_ENV_QW(GSB_VCPU_SPR_VSR40, vsr[40]), GUEST_STATE_ELEMENT_ENV_QW(GSB_VCPU_SPR_VSR41, vsr[41]), GUEST_STATE_ELEMENT_ENV_QW(GSB_VCPU_SPR_VSR42, vsr[42]), GUEST_STATE_ELEMENT_ENV_QW(GSB_VCPU_SPR_VSR43, vsr[43]), GUEST_STATE_ELEMENT_ENV_QW(GSB_VCPU_SPR_VSR44, vsr[44]), GUEST_STATE_ELEMENT_ENV_QW(GSB_VCPU_SPR_VSR45, vsr[45]), GUEST_STATE_ELEMENT_ENV_QW(GSB_VCPU_SPR_VSR46, vsr[46]), GUEST_STATE_ELEMENT_ENV_QW(GSB_VCPU_SPR_VSR47, vsr[47]), GUEST_STATE_ELEMENT_ENV_QW(GSB_VCPU_SPR_VSR48, vsr[48]), GUEST_STATE_ELEMENT_ENV_QW(GSB_VCPU_SPR_VSR49, vsr[49]), GUEST_STATE_ELEMENT_ENV_QW(GSB_VCPU_SPR_VSR50, vsr[50]), GUEST_STATE_ELEMENT_ENV_QW(GSB_VCPU_SPR_VSR51, vsr[51]), GUEST_STATE_ELEMENT_ENV_QW(GSB_VCPU_SPR_VSR52, vsr[52]), GUEST_STATE_ELEMENT_ENV_QW(GSB_VCPU_SPR_VSR53, vsr[53]), GUEST_STATE_ELEMENT_ENV_QW(GSB_VCPU_SPR_VSR54, vsr[54]), GUEST_STATE_ELEMENT_ENV_QW(GSB_VCPU_SPR_VSR55, vsr[55]), GUEST_STATE_ELEMENT_ENV_QW(GSB_VCPU_SPR_VSR56, vsr[56]), GUEST_STATE_ELEMENT_ENV_QW(GSB_VCPU_SPR_VSR57, vsr[57]), GUEST_STATE_ELEMENT_ENV_QW(GSB_VCPU_SPR_VSR58, vsr[58]), GUEST_STATE_ELEMENT_ENV_QW(GSB_VCPU_SPR_VSR59, vsr[59]), GUEST_STATE_ELEMENT_ENV_QW(GSB_VCPU_SPR_VSR60, vsr[60]), GUEST_STATE_ELEMENT_ENV_QW(GSB_VCPU_SPR_VSR61, vsr[61]), GUEST_STATE_ELEMENT_ENV_QW(GSB_VCPU_SPR_VSR62, vsr[62]), GUEST_STATE_ELEMENT_ENV_QW(GSB_VCPU_SPR_VSR63, vsr[63]), GUEST_STATE_ELEMENT_ENV_DW(GSB_VCPU_SPR_EBBHR, ebbhr), GUEST_STATE_ELEMENT_ENV_DW(GSB_VCPU_SPR_TAR, tar), GUEST_STATE_ELEMENT_ENV_DW(GSB_VCPU_SPR_EBBRR, ebbrr), GUEST_STATE_ELEMENT_ENV_DW(GSB_VCPU_SPR_BESCR, bescr), GUEST_STATE_ELEMENT_ENV_DW(GSB_VCPU_SPR_IAMR, iamr), GUEST_STATE_ELEMENT_ENV_DW(GSB_VCPU_SPR_AMR, amr), GUEST_STATE_ELEMENT_ENV_DW(GSB_VCPU_SPR_UAMOR, uamor), GUEST_STATE_ELEMENT_ENV_DW(GSB_VCPU_SPR_DSCR, dscr), GUEST_STATE_ELEMENT_ENV_DW(GSB_VCPU_SPR_FSCR, fscr), GUEST_STATE_ELEMENT_ENV_W(GSB_VCPU_SPR_PSPB, pspb), GUEST_STATE_ELEMENT_ENV_DW(GSB_VCPU_SPR_CTRL, ctrl), GUEST_STATE_ELEMENT_ENV_DW(GSB_VCPU_SPR_DPDES, dpdes), GUEST_STATE_ELEMENT_ENV_W(GSB_VCPU_SPR_VRSAVE, vrsave), GUEST_STATE_ELEMENT_ENV_DW(GSB_VCPU_SPR_DAR, dar), GUEST_STATE_ELEMENT_ENV_W(GSB_VCPU_SPR_DSISR, dsisr), GUEST_STATE_ELEMENT_ENV_W(GSB_VCPU_SPR_PMC1, pmc1), GUEST_STATE_ELEMENT_ENV_W(GSB_VCPU_SPR_PMC2, pmc2), GUEST_STATE_ELEMENT_ENV_W(GSB_VCPU_SPR_PMC3, pmc3), GUEST_STATE_ELEMENT_ENV_W(GSB_VCPU_SPR_PMC4, pmc4), GUEST_STATE_ELEMENT_ENV_W(GSB_VCPU_SPR_PMC5, pmc5), GUEST_STATE_ELEMENT_ENV_W(GSB_VCPU_SPR_PMC6, pmc6), GUEST_STATE_ELEMENT_ENV_DW(GSB_VCPU_SPR_MMCR0, mmcr0), GUEST_STATE_ELEMENT_ENV_DW(GSB_VCPU_SPR_MMCR1, mmcr1), GUEST_STATE_ELEMENT_ENV_DW(GSB_VCPU_SPR_MMCR2, mmcr2), GUEST_STATE_ELEMENT_ENV_DW(GSB_VCPU_SPR_MMCRA, mmcra), GUEST_STATE_ELEMENT_ENV_DW(GSB_VCPU_SPR_SDAR , sdar), GUEST_STATE_ELEMENT_ENV_DW(GSB_VCPU_SPR_SIAR , siar), GUEST_STATE_ELEMENT_ENV_DW(GSB_VCPU_SPR_SIER , sier), GUEST_STATE_ELEMENT_ENV_WW(GSB_VCPU_SPR_VSCR, vscr), GUEST_STATE_ELEMENT_ENV_DW(GSB_VCPU_SPR_FPSCR, fpscr), GUEST_STATE_ELEMENT_ENV_DW(GSB_VCPU_DEC_EXPIRE_TB, dec_expiry_tb), GSBE_NESTED(GSB_PART_SCOPED_PAGETBL, 0x18, parttbl[0], copy_state_pagetbl), GSBE_NESTED(GSB_PROCESS_TBL, 0x10, parttbl[1], copy_state_proctbl), GSBE_NESTED(GSB_VCPU_LPVR, 0x4, pvr_logical, copy_logical_pvr), GSBE_NESTED_MSK(GSB_TB_OFFSET, 0x8, tb_offset, copy_tb_offset, HVMASK_TB_OFFSET), GSBE_NESTED_VCPU(GSB_VCPU_IN_BUFFER, 0x10, runbufin, copy_state_runbuf), GSBE_NESTED_VCPU(GSB_VCPU_OUT_BUFFER, 0x10, runbufout, copy_state_runbuf), GSBE_NESTED_VCPU(GSB_VCPU_OUT_BUF_MIN_SZ, 0x8, runbufout, out_buf_min_size), GSBE_NESTED_VCPU(GSB_VCPU_HDEC_EXPIRY_TB, 0x8, hdecr_expiry_tb, copy_state_hdecr) }; void spapr_nested_gsb_init(void) { struct guest_state_element_type *type; /* Init the guest state elements lookup table, flags for now */ for (int i = 0; i < ARRAY_SIZE(guest_state_element_types); i++) { type = &guest_state_element_types[i]; assert(type->id <= GSB_LAST); if (type->id >= GSB_VCPU_SPR_HDAR) /* 0xf000 - 0xf005 Thread + RO */ type->flags = GUEST_STATE_ELEMENT_TYPE_FLAG_READ_ONLY; else if (type->id >= GSB_VCPU_IN_BUFFER) /* 0x0c00 - 0xf000 Thread + RW */ type->flags = 0; else if (type->id >= GSB_VCPU_LPVR) /* 0x0003 - 0x0bff Guest + RW */ type->flags = GUEST_STATE_ELEMENT_TYPE_FLAG_GUEST_WIDE; else if (type->id >= GSB_HV_VCPU_STATE_SIZE) /* 0x0001 - 0x0002 Guest + RO */ type->flags = GUEST_STATE_ELEMENT_TYPE_FLAG_READ_ONLY | GUEST_STATE_ELEMENT_TYPE_FLAG_GUEST_WIDE; } } static struct guest_state_element *guest_state_element_next( struct guest_state_element *element, int64_t *len, int64_t *num_elements) { uint16_t size; /* size is of element->value[] only. Not whole guest_state_element */ size = be16_to_cpu(element->size); if (len) { *len -= size + offsetof(struct guest_state_element, value); } if (num_elements) { *num_elements -= 1; } return (struct guest_state_element *)(element->value + size); } static struct guest_state_element_type *guest_state_element_type_find(uint16_t id) { int i; for (i = 0; i < ARRAY_SIZE(guest_state_element_types); i++) if (id == guest_state_element_types[i].id) { return &guest_state_element_types[i]; } return NULL; } static void log_element(struct guest_state_element *element, struct guest_state_request *gsr) { qemu_log_mask(LOG_GUEST_ERROR, "h_guest_%s_state id:0x%04x size:0x%04x", gsr->flags & GUEST_STATE_REQUEST_SET ? "set" : "get", be16_to_cpu(element->id), be16_to_cpu(element->size)); qemu_log_mask(LOG_GUEST_ERROR, "buf:0x%016"PRIx64" ...\n", be64_to_cpu(*(uint64_t *)element->value)); } static bool guest_state_request_check(struct guest_state_request *gsr) { int64_t num_elements, len = gsr->len; struct guest_state_buffer *gsb = gsr->gsb; struct guest_state_element *element; struct guest_state_element_type *type; uint16_t id, size; /* gsb->num_elements = 0 == 32 bits long */ assert(len >= 4); num_elements = be32_to_cpu(gsb->num_elements); element = gsb->elements; len -= sizeof(gsb->num_elements); /* Walk the buffer to validate the length */ while (num_elements) { id = be16_to_cpu(element->id); size = be16_to_cpu(element->size); if (false) { log_element(element, gsr); } /* buffer size too small */ if (len < 0) { return false; } type = guest_state_element_type_find(id); if (!type) { qemu_log_mask(LOG_GUEST_ERROR, "Element ID %04x unknown\n", id); log_element(element, gsr); return false; } if (id == GSB_HV_VCPU_IGNORED_ID) { goto next_element; } if (size != type->size) { qemu_log_mask(LOG_GUEST_ERROR, "Size mismatch. Element ID:%04x." "Size Exp:%i Got:%i\n", id, type->size, size); log_element(element, gsr); return false; } if ((type->flags & GUEST_STATE_ELEMENT_TYPE_FLAG_READ_ONLY) && (gsr->flags & GUEST_STATE_REQUEST_SET)) { qemu_log_mask(LOG_GUEST_ERROR, "Trying to set a read-only Element " "ID:%04x.\n", id); return false; } if (type->flags & GUEST_STATE_ELEMENT_TYPE_FLAG_GUEST_WIDE) { /* guest wide element type */ if (!(gsr->flags & GUEST_STATE_REQUEST_GUEST_WIDE)) { qemu_log_mask(LOG_GUEST_ERROR, "trying to set a guest wide " "Element ID:%04x.\n", id); return false; } } else { /* thread wide element type */ if (gsr->flags & GUEST_STATE_REQUEST_GUEST_WIDE) { qemu_log_mask(LOG_GUEST_ERROR, "trying to set a thread wide " "Element ID:%04x.\n", id); return false; } } next_element: element = guest_state_element_next(element, &len, &num_elements); } return true; } static bool is_gsr_invalid(struct guest_state_request *gsr, struct guest_state_element *element, struct guest_state_element_type *type) { if ((gsr->flags & GUEST_STATE_REQUEST_SET) && (*(uint64_t *)(element->value) & ~(type->mask))) { log_element(element, gsr); qemu_log_mask(LOG_GUEST_ERROR, "L1 can't set reserved bits " "(allowed mask: 0x%08"PRIx64")\n", type->mask); return true; } return false; } static target_ulong h_guest_get_capabilities(PowerPCCPU *cpu, SpaprMachineState *spapr, target_ulong opcode, target_ulong *args) { CPUPPCState *env = &cpu->env; target_ulong flags = args[0]; if (flags) { /* don't handle any flags capabilities for now */ return H_PARAMETER; } /* P11 capabilities */ if (ppc_check_compat(cpu, CPU_POWERPC_LOGICAL_3_10_P11, 0, spapr->max_compat_pvr)) { env->gpr[4] |= H_GUEST_CAPABILITIES_P11_MODE; } /* P10 capabilities */ if (ppc_check_compat(cpu, CPU_POWERPC_LOGICAL_3_10, 0, spapr->max_compat_pvr)) { env->gpr[4] |= H_GUEST_CAPABILITIES_P10_MODE; } /* P9 capabilities */ if (ppc_check_compat(cpu, CPU_POWERPC_LOGICAL_3_00, 0, spapr->max_compat_pvr)) { env->gpr[4] |= H_GUEST_CAPABILITIES_P9_MODE; } return H_SUCCESS; } static target_ulong h_guest_set_capabilities(PowerPCCPU *cpu, SpaprMachineState *spapr, target_ulong opcode, target_ulong *args) { CPUPPCState *env = &cpu->env; target_ulong flags = args[0]; target_ulong capabilities = args[1]; env->gpr[4] = 0; if (flags) { /* don't handle any flags capabilities for now */ return H_PARAMETER; } if (capabilities & H_GUEST_CAPABILITIES_COPY_MEM) { env->gpr[4] = 1; return H_P2; /* isn't supported */ } /* * If there are no capabilities configured, set the R5 to the index of * the first supported Power Processor Mode */ if (!capabilities) { env->gpr[4] = 1; /* set R5 to the first supported Power Processor Mode */ if (ppc_check_compat(cpu, CPU_POWERPC_LOGICAL_3_10_P11, 0, spapr->max_compat_pvr)) { env->gpr[5] = H_GUEST_CAP_P11_MODE_BMAP; } else if (ppc_check_compat(cpu, CPU_POWERPC_LOGICAL_3_10, 0, spapr->max_compat_pvr)) { env->gpr[5] = H_GUEST_CAP_P10_MODE_BMAP; } else if (ppc_check_compat(cpu, CPU_POWERPC_LOGICAL_3_00, 0, spapr->max_compat_pvr)) { env->gpr[5] = H_GUEST_CAP_P9_MODE_BMAP; } return H_P2; } /* * If an invalid capability is set, R5 should contain the index of the * invalid capability bit */ if (capabilities & ~H_GUEST_CAP_VALID_MASK) { env->gpr[4] = 1; /* Set R5 to the index of the invalid capability */ env->gpr[5] = 63 - ctz64(capabilities); return H_P2; } if (!spapr->nested.capabilities_set) { spapr->nested.capabilities_set = true; spapr->nested.pvr_base = env->spr[SPR_PVR]; return H_SUCCESS; } else { return H_STATE; } } static void destroy_guest_helper(gpointer value) { struct SpaprMachineStateNestedGuest *guest = value; g_free(guest->vcpus); g_free(guest); } static target_ulong h_guest_create(PowerPCCPU *cpu, SpaprMachineState *spapr, target_ulong opcode, target_ulong *args) { CPUPPCState *env = &cpu->env; target_ulong flags = args[0]; target_ulong continue_token = args[1]; uint64_t guestid; int nguests = 0; struct SpaprMachineStateNestedGuest *guest; if (flags) { /* don't handle any flags for now */ return H_UNSUPPORTED_FLAG; } if (continue_token != -1) { return H_P2; } if (!spapr->nested.capabilities_set) { return H_STATE; } if (!spapr->nested.guests) { spapr->nested.guests = g_hash_table_new_full(NULL, NULL, NULL, destroy_guest_helper); } nguests = g_hash_table_size(spapr->nested.guests); if (nguests == PAPR_NESTED_GUEST_MAX) { return H_NO_MEM; } /* Lookup for available guestid */ for (guestid = 1; guestid < PAPR_NESTED_GUEST_MAX; guestid++) { if (!(g_hash_table_lookup(spapr->nested.guests, GINT_TO_POINTER(guestid)))) { break; } } if (guestid == PAPR_NESTED_GUEST_MAX) { return H_NO_MEM; } guest = g_try_new0(struct SpaprMachineStateNestedGuest, 1); if (!guest) { return H_NO_MEM; } guest->pvr_logical = spapr->nested.pvr_base; g_hash_table_insert(spapr->nested.guests, GINT_TO_POINTER(guestid), guest); env->gpr[4] = guestid; return H_SUCCESS; } static target_ulong h_guest_delete(PowerPCCPU *cpu, SpaprMachineState *spapr, target_ulong opcode, target_ulong *args) { target_ulong flags = args[0]; target_ulong guestid = args[1]; struct SpaprMachineStateNestedGuest *guest; /* * handle flag deleteAllGuests, if set: * guestid is ignored and all guests are deleted * */ if (flags & ~H_GUEST_DELETE_ALL_FLAG) { return H_UNSUPPORTED_FLAG; /* other flag bits reserved */ } else if (flags & H_GUEST_DELETE_ALL_FLAG) { g_hash_table_destroy(spapr->nested.guests); return H_SUCCESS; } guest = g_hash_table_lookup(spapr->nested.guests, GINT_TO_POINTER(guestid)); if (!guest) { return H_P2; } g_hash_table_remove(spapr->nested.guests, GINT_TO_POINTER(guestid)); return H_SUCCESS; } static target_ulong h_guest_create_vcpu(PowerPCCPU *cpu, SpaprMachineState *spapr, target_ulong opcode, target_ulong *args) { target_ulong flags = args[0]; target_ulong guestid = args[1]; target_ulong vcpuid = args[2]; SpaprMachineStateNestedGuest *guest; if (flags) { /* don't handle any flags for now */ return H_UNSUPPORTED_FLAG; } guest = spapr_get_nested_guest(spapr, guestid); if (!guest) { return H_P2; } if (vcpuid < guest->nr_vcpus) { qemu_log_mask(LOG_UNIMP, "vcpuid " TARGET_FMT_ld " already in use.", vcpuid); return H_IN_USE; } /* linear vcpuid allocation only */ assert(vcpuid == guest->nr_vcpus); if (guest->nr_vcpus >= PAPR_NESTED_GUEST_VCPU_MAX) { return H_P3; } SpaprMachineStateNestedGuestVcpu *vcpus, *curr_vcpu; vcpus = g_try_renew(struct SpaprMachineStateNestedGuestVcpu, guest->vcpus, guest->nr_vcpus + 1); if (!vcpus) { return H_NO_MEM; } guest->vcpus = vcpus; curr_vcpu = &vcpus[guest->nr_vcpus]; memset(curr_vcpu, 0, sizeof(SpaprMachineStateNestedGuestVcpu)); curr_vcpu->enabled = true; guest->nr_vcpus++; return H_SUCCESS; } static target_ulong getset_state(SpaprMachineStateNestedGuest *guest, uint64_t vcpuid, struct guest_state_request *gsr) { void *ptr; uint16_t id; struct guest_state_element *element; struct guest_state_element_type *type; int64_t lenleft, num_elements; lenleft = gsr->len; if (!guest_state_request_check(gsr)) { return H_P3; } num_elements = be32_to_cpu(gsr->gsb->num_elements); element = gsr->gsb->elements; /* Process the elements */ while (num_elements) { type = NULL; /* log_element(element, gsr); */ id = be16_to_cpu(element->id); if (id == GSB_HV_VCPU_IGNORED_ID) { goto next_element; } type = guest_state_element_type_find(id); assert(type); /* Get pointer to guest data to get/set */ if (type->location && type->copy) { ptr = type->location(guest, vcpuid); assert(ptr); if (!~(type->mask) && is_gsr_invalid(gsr, element, type)) { return H_INVALID_ELEMENT_VALUE; } type->copy(ptr + type->offset, element->value, gsr->flags & GUEST_STATE_REQUEST_SET ? true : false); } next_element: element = guest_state_element_next(element, &lenleft, &num_elements); } return H_SUCCESS; } static target_ulong map_and_getset_state(PowerPCCPU *cpu, SpaprMachineStateNestedGuest *guest, uint64_t vcpuid, struct guest_state_request *gsr) { target_ulong rc; int64_t len; bool is_write; len = gsr->len; /* only get_state would require write access to the provided buffer */ is_write = (gsr->flags & GUEST_STATE_REQUEST_SET) ? false : true; gsr->gsb = address_space_map(CPU(cpu)->as, gsr->buf, (uint64_t *)&len, is_write, MEMTXATTRS_UNSPECIFIED); if (!gsr->gsb) { rc = H_P3; goto out1; } if (len != gsr->len) { rc = H_P3; goto out1; } rc = getset_state(guest, vcpuid, gsr); out1: address_space_unmap(CPU(cpu)->as, gsr->gsb, len, is_write, len); return rc; } static target_ulong h_guest_getset_state(PowerPCCPU *cpu, SpaprMachineState *spapr, target_ulong *args, bool set) { target_ulong flags = args[0]; target_ulong lpid = args[1]; target_ulong vcpuid = args[2]; target_ulong buf = args[3]; target_ulong buflen = args[4]; struct guest_state_request gsr; SpaprMachineStateNestedGuest *guest; guest = spapr_get_nested_guest(spapr, lpid); if (!guest) { return H_P2; } gsr.buf = buf; assert(buflen <= GSB_MAX_BUF_SIZE); gsr.len = buflen; gsr.flags = 0; if (flags & H_GUEST_GETSET_STATE_FLAG_GUEST_WIDE) { gsr.flags |= GUEST_STATE_REQUEST_GUEST_WIDE; } if (flags & ~H_GUEST_GETSET_STATE_FLAG_GUEST_WIDE) { return H_PARAMETER; /* flag not supported yet */ } if (set) { gsr.flags |= GUEST_STATE_REQUEST_SET; } return map_and_getset_state(cpu, guest, vcpuid, &gsr); } static target_ulong h_guest_set_state(PowerPCCPU *cpu, SpaprMachineState *spapr, target_ulong opcode, target_ulong *args) { return h_guest_getset_state(cpu, spapr, args, true); } static target_ulong h_guest_get_state(PowerPCCPU *cpu, SpaprMachineState *spapr, target_ulong opcode, target_ulong *args) { return h_guest_getset_state(cpu, spapr, args, false); } static void exit_nested_store_l2(PowerPCCPU *cpu, int excp, SpaprMachineStateNestedGuestVcpu *vcpu) { CPUPPCState *env = &cpu->env; SpaprCpuState *spapr_cpu = spapr_cpu_state(cpu); target_ulong now, hdar, hdsisr, asdr; assert(sizeof(env->gpr) == sizeof(vcpu->state.gpr)); /* sanity check */ now = cpu_ppc_load_tbl(env); /* L2 timebase */ now -= vcpu->tb_offset; /* L1 timebase */ vcpu->state.dec_expiry_tb = now - cpu_ppc_load_decr(env); cpu_ppc_store_decr(env, spapr_cpu->nested_host_state->dec_expiry_tb - now); /* backup hdar, hdsisr, asdr if reqd later below */ hdar = vcpu->state.hdar; hdsisr = vcpu->state.hdsisr; asdr = vcpu->state.asdr; nested_save_state(&vcpu->state, cpu); if (excp == POWERPC_EXCP_MCHECK || excp == POWERPC_EXCP_RESET || excp == POWERPC_EXCP_SYSCALL) { vcpu->state.nip = env->spr[SPR_SRR0]; vcpu->state.msr = env->spr[SPR_SRR1] & env->msr_mask; } else { vcpu->state.nip = env->spr[SPR_HSRR0]; vcpu->state.msr = env->spr[SPR_HSRR1] & env->msr_mask; } /* hdar, hdsisr, asdr should be retained unless certain exceptions */ if ((excp != POWERPC_EXCP_HDSI) && (excp != POWERPC_EXCP_HISI)) { vcpu->state.asdr = asdr; } else if (excp != POWERPC_EXCP_HDSI) { vcpu->state.hdar = hdar; vcpu->state.hdsisr = hdsisr; } } static int get_exit_ids(uint64_t srr0, uint16_t ids[16]) { int nr; switch (srr0) { case 0xc00: nr = 10; ids[0] = GSB_VCPU_GPR3; ids[1] = GSB_VCPU_GPR4; ids[2] = GSB_VCPU_GPR5; ids[3] = GSB_VCPU_GPR6; ids[4] = GSB_VCPU_GPR7; ids[5] = GSB_VCPU_GPR8; ids[6] = GSB_VCPU_GPR9; ids[7] = GSB_VCPU_GPR10; ids[8] = GSB_VCPU_GPR11; ids[9] = GSB_VCPU_GPR12; break; case 0xe00: nr = 5; ids[0] = GSB_VCPU_SPR_HDAR; ids[1] = GSB_VCPU_SPR_HDSISR; ids[2] = GSB_VCPU_SPR_ASDR; ids[3] = GSB_VCPU_SPR_NIA; ids[4] = GSB_VCPU_SPR_MSR; break; case 0xe20: nr = 4; ids[0] = GSB_VCPU_SPR_HDAR; ids[1] = GSB_VCPU_SPR_ASDR; ids[2] = GSB_VCPU_SPR_NIA; ids[3] = GSB_VCPU_SPR_MSR; break; case 0xe40: nr = 3; ids[0] = GSB_VCPU_SPR_HEIR; ids[1] = GSB_VCPU_SPR_NIA; ids[2] = GSB_VCPU_SPR_MSR; break; case 0xf80: nr = 3; ids[0] = GSB_VCPU_SPR_HFSCR; ids[1] = GSB_VCPU_SPR_NIA; ids[2] = GSB_VCPU_SPR_MSR; break; default: nr = 0; break; } return nr; } static void exit_process_output_buffer(PowerPCCPU *cpu, SpaprMachineStateNestedGuest *guest, target_ulong vcpuid, target_ulong *r3) { SpaprMachineStateNestedGuestVcpu *vcpu = &guest->vcpus[vcpuid]; struct guest_state_request gsr; struct guest_state_buffer *gsb; struct guest_state_element *element; struct guest_state_element_type *type; int exit_id_count = 0; uint16_t exit_cause_ids[16]; hwaddr len; len = vcpu->runbufout.size; gsb = address_space_map(CPU(cpu)->as, vcpu->runbufout.addr, &len, true, MEMTXATTRS_UNSPECIFIED); if (!gsb || len != vcpu->runbufout.size) { address_space_unmap(CPU(cpu)->as, gsb, len, true, len); *r3 = H_P2; return; } exit_id_count = get_exit_ids(*r3, exit_cause_ids); /* Create a buffer of elements to send back */ gsb->num_elements = cpu_to_be32(exit_id_count); element = gsb->elements; for (int i = 0; i < exit_id_count; i++) { type = guest_state_element_type_find(exit_cause_ids[i]); assert(type); element->id = cpu_to_be16(exit_cause_ids[i]); element->size = cpu_to_be16(type->size); element = guest_state_element_next(element, NULL, NULL); } gsr.gsb = gsb; gsr.len = VCPU_OUT_BUF_MIN_SZ; gsr.flags = 0; /* get + never guest wide */ getset_state(guest, vcpuid, &gsr); address_space_unmap(CPU(cpu)->as, gsb, len, true, len); return; } static void spapr_exit_nested_papr(SpaprMachineState *spapr, PowerPCCPU *cpu, int excp) { CPUPPCState *env = &cpu->env; CPUState *cs = CPU(cpu); SpaprCpuState *spapr_cpu = spapr_cpu_state(cpu); target_ulong r3_return = env->excp_vectors[excp]; /* hcall return value */ target_ulong lpid = 0, vcpuid = 0; struct SpaprMachineStateNestedGuestVcpu *vcpu = NULL; struct SpaprMachineStateNestedGuest *guest = NULL; lpid = spapr_cpu->nested_host_state->gpr[5]; vcpuid = spapr_cpu->nested_host_state->gpr[6]; guest = spapr_get_nested_guest(spapr, lpid); assert(guest); spapr_nested_vcpu_check(guest, vcpuid, false); vcpu = &guest->vcpus[vcpuid]; exit_nested_store_l2(cpu, excp, vcpu); /* do the output buffer for run_vcpu*/ exit_process_output_buffer(cpu, guest, vcpuid, &r3_return); assert(env->spr[SPR_LPIDR] != 0); nested_load_state(cpu, spapr_cpu->nested_host_state); cpu_ppc_decrease_tb_by_offset(env, vcpu->tb_offset); env->gpr[3] = H_SUCCESS; env->gpr[4] = r3_return; nested_post_load_state(env, cs); cpu_ppc_hdecr_exit(env); spapr_cpu->in_nested = false; g_free(spapr_cpu->nested_host_state); spapr_cpu->nested_host_state = NULL; } void spapr_exit_nested(PowerPCCPU *cpu, int excp) { SpaprMachineState *spapr = SPAPR_MACHINE(qdev_get_machine()); SpaprCpuState *spapr_cpu = spapr_cpu_state(cpu); assert(spapr_cpu->in_nested); if (spapr_nested_api(spapr) == NESTED_API_KVM_HV) { spapr_exit_nested_hv(cpu, excp); } else if (spapr_nested_api(spapr) == NESTED_API_PAPR) { spapr_exit_nested_papr(spapr, cpu, excp); } else { g_assert_not_reached(); } } static void nested_papr_load_l2(PowerPCCPU *cpu, CPUPPCState *env, SpaprMachineStateNestedGuestVcpu *vcpu, target_ulong now) { PowerPCCPUClass *pcc = POWERPC_CPU_GET_CLASS(cpu); target_ulong lpcr, lpcr_mask, hdec; lpcr_mask = LPCR_DPFD | LPCR_ILE | LPCR_AIL | LPCR_LD | LPCR_MER; assert(vcpu); assert(sizeof(env->gpr) == sizeof(vcpu->state.gpr)); nested_load_state(cpu, &vcpu->state); lpcr = (env->spr[SPR_LPCR] & ~lpcr_mask) | (vcpu->state.lpcr & lpcr_mask); lpcr |= LPCR_HR | LPCR_UPRT | LPCR_GTSE | LPCR_HVICE | LPCR_HDICE; lpcr &= ~LPCR_LPES0; env->spr[SPR_LPCR] = lpcr & pcc->lpcr_mask; hdec = vcpu->hdecr_expiry_tb - now; cpu_ppc_store_decr(env, vcpu->state.dec_expiry_tb - now); cpu_ppc_hdecr_init(env); cpu_ppc_store_hdecr(env, hdec); cpu_ppc_increase_tb_by_offset(env, vcpu->tb_offset); } static void nested_papr_run_vcpu(PowerPCCPU *cpu, uint64_t lpid, SpaprMachineStateNestedGuestVcpu *vcpu) { SpaprMachineState *spapr = SPAPR_MACHINE(qdev_get_machine()); CPUPPCState *env = &cpu->env; CPUState *cs = CPU(cpu); SpaprCpuState *spapr_cpu = spapr_cpu_state(cpu); target_ulong now = cpu_ppc_load_tbl(env); assert(env->spr[SPR_LPIDR] == 0); assert(spapr->nested.api); /* ensure API version is initialized */ spapr_cpu->nested_host_state = g_try_new(struct nested_ppc_state, 1); assert(spapr_cpu->nested_host_state); nested_save_state(spapr_cpu->nested_host_state, cpu); spapr_cpu->nested_host_state->dec_expiry_tb = now - cpu_ppc_load_decr(env); nested_papr_load_l2(cpu, env, vcpu, now); env->spr[SPR_LPIDR] = lpid; /* post load l2 */ spapr_cpu->in_nested = true; nested_post_load_state(env, cs); } static target_ulong h_guest_run_vcpu(PowerPCCPU *cpu, SpaprMachineState *spapr, target_ulong opcode, target_ulong *args) { CPUPPCState *env = &cpu->env; target_ulong flags = args[0]; target_ulong lpid = args[1]; target_ulong vcpuid = args[2]; struct SpaprMachineStateNestedGuestVcpu *vcpu; struct guest_state_request gsr; SpaprMachineStateNestedGuest *guest; target_ulong rc; if (flags) /* don't handle any flags for now */ return H_PARAMETER; guest = spapr_get_nested_guest(spapr, lpid); if (!guest) { return H_P2; } if (!spapr_nested_vcpu_check(guest, vcpuid, true)) { return H_P3; } if (guest->parttbl[0] == 0) { /* At least need a partition scoped radix tree */ return H_NOT_AVAILABLE; } vcpu = &guest->vcpus[vcpuid]; /* Read run_vcpu input buffer to update state */ gsr.buf = vcpu->runbufin.addr; gsr.len = vcpu->runbufin.size; gsr.flags = GUEST_STATE_REQUEST_SET; /* Thread wide + writing */ rc = map_and_getset_state(cpu, guest, vcpuid, &gsr); if (rc == H_SUCCESS) { nested_papr_run_vcpu(cpu, lpid, vcpu); } else { env->gpr[3] = rc; } return env->gpr[3]; } void spapr_register_nested_hv(void) { spapr_register_hypercall(KVMPPC_H_SET_PARTITION_TABLE, h_set_ptbl); spapr_register_hypercall(KVMPPC_H_ENTER_NESTED, h_enter_nested); spapr_register_hypercall(KVMPPC_H_TLB_INVALIDATE, h_tlb_invalidate); spapr_register_hypercall(KVMPPC_H_COPY_TOFROM_GUEST, h_copy_tofrom_guest); } void spapr_unregister_nested_hv(void) { spapr_unregister_hypercall(KVMPPC_H_SET_PARTITION_TABLE); spapr_unregister_hypercall(KVMPPC_H_ENTER_NESTED); spapr_unregister_hypercall(KVMPPC_H_TLB_INVALIDATE); spapr_unregister_hypercall(KVMPPC_H_COPY_TOFROM_GUEST); } void spapr_register_nested_papr(void) { spapr_register_hypercall(H_GUEST_GET_CAPABILITIES, h_guest_get_capabilities); spapr_register_hypercall(H_GUEST_SET_CAPABILITIES, h_guest_set_capabilities); spapr_register_hypercall(H_GUEST_CREATE, h_guest_create); spapr_register_hypercall(H_GUEST_DELETE, h_guest_delete); spapr_register_hypercall(H_GUEST_CREATE_VCPU, h_guest_create_vcpu); spapr_register_hypercall(H_GUEST_SET_STATE, h_guest_set_state); spapr_register_hypercall(H_GUEST_GET_STATE, h_guest_get_state); spapr_register_hypercall(H_GUEST_RUN_VCPU, h_guest_run_vcpu); } void spapr_unregister_nested_papr(void) { spapr_unregister_hypercall(H_GUEST_GET_CAPABILITIES); spapr_unregister_hypercall(H_GUEST_SET_CAPABILITIES); spapr_unregister_hypercall(H_GUEST_CREATE); spapr_unregister_hypercall(H_GUEST_DELETE); spapr_unregister_hypercall(H_GUEST_CREATE_VCPU); spapr_unregister_hypercall(H_GUEST_SET_STATE); spapr_unregister_hypercall(H_GUEST_GET_STATE); spapr_unregister_hypercall(H_GUEST_RUN_VCPU); } #else void spapr_exit_nested(PowerPCCPU *cpu, int excp) { g_assert_not_reached(); } void spapr_register_nested_hv(void) { /* DO NOTHING */ } void spapr_unregister_nested_hv(void) { /* DO NOTHING */ } bool spapr_get_pate_nested_hv(SpaprMachineState *spapr, PowerPCCPU *cpu, target_ulong lpid, ppc_v3_pate_t *entry) { return false; } bool spapr_get_pate_nested_papr(SpaprMachineState *spapr, PowerPCCPU *cpu, target_ulong lpid, ppc_v3_pate_t *entry) { return false; } void spapr_register_nested_papr(void) { /* DO NOTHING */ } void spapr_unregister_nested_papr(void) { /* DO NOTHING */ } void spapr_nested_gsb_init(void) { /* DO NOTHING */ } #endif