diff options
| -rw-r--r-- | hw/ppc/spapr.c | 2 | ||||
| -rw-r--r-- | hw/ppc/spapr_caps.c | 54 | ||||
| -rw-r--r-- | hw/ppc/spapr_nested.c | 8 | ||||
| -rw-r--r-- | include/hw/ppc/spapr.h | 6 |
4 files changed, 66 insertions, 4 deletions
diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c index aaf73781b0..99d3fcb185 100644 --- a/hw/ppc/spapr.c +++ b/hw/ppc/spapr.c @@ -2166,6 +2166,7 @@ static const VMStateDescription vmstate_spapr = { &vmstate_spapr_cap_fwnmi, &vmstate_spapr_fwnmi, &vmstate_spapr_cap_rpt_invalidate, + &vmstate_spapr_cap_nested_papr, NULL } }; @@ -4732,6 +4733,7 @@ static void spapr_machine_class_init(ObjectClass *oc, void *data) smc->default_caps.caps[SPAPR_CAP_IBS] = SPAPR_CAP_WORKAROUND; smc->default_caps.caps[SPAPR_CAP_HPT_MAXPAGESIZE] = 16; /* 64kiB */ smc->default_caps.caps[SPAPR_CAP_NESTED_KVM_HV] = SPAPR_CAP_OFF; + smc->default_caps.caps[SPAPR_CAP_NESTED_PAPR] = SPAPR_CAP_OFF; smc->default_caps.caps[SPAPR_CAP_LARGE_DECREMENTER] = SPAPR_CAP_ON; smc->default_caps.caps[SPAPR_CAP_CCF_ASSIST] = SPAPR_CAP_ON; smc->default_caps.caps[SPAPR_CAP_FWNMI] = SPAPR_CAP_ON; diff --git a/hw/ppc/spapr_caps.c b/hw/ppc/spapr_caps.c index e889244e52..62abf1ba9d 100644 --- a/hw/ppc/spapr_caps.c +++ b/hw/ppc/spapr_caps.c @@ -487,6 +487,50 @@ static void cap_nested_kvm_hv_apply(SpaprMachineState *spapr, error_append_hint(errp, "Try appending -machine cap-nested-hv=off " "or use threads=1 with -smp\n"); } + if (spapr_nested_api(spapr) && + spapr_nested_api(spapr) != NESTED_API_KVM_HV) { + error_setg(errp, "Nested-HV APIs are mutually exclusive"); + error_append_hint(errp, "Please use either cap-nested-hv or " + "cap-nested-papr to proceed.\n"); + return; + } else { + spapr->nested.api = NESTED_API_KVM_HV; + } + } +} + +static void cap_nested_papr_apply(SpaprMachineState *spapr, + uint8_t val, Error **errp) +{ + ERRP_GUARD(); + PowerPCCPU *cpu = POWERPC_CPU(first_cpu); + CPUPPCState *env = &cpu->env; + + if (!val) { + /* capability disabled by default */ + return; + } + + if (tcg_enabled()) { + if (!(env->insns_flags2 & PPC2_ISA300)) { + error_setg(errp, "Nested-PAPR only supported on POWER9 and later"); + error_append_hint(errp, + "Try appending -machine cap-nested-papr=off\n"); + return; + } + if (spapr_nested_api(spapr) && + spapr_nested_api(spapr) != NESTED_API_PAPR) { + error_setg(errp, "Nested-HV APIs are mutually exclusive"); + error_append_hint(errp, "Please use either cap-nested-hv or " + "cap-nested-papr to proceed.\n"); + return; + } else { + spapr->nested.api = NESTED_API_PAPR; + } + } else if (kvm_enabled()) { + error_setg(errp, "KVM implementation does not support Nested-PAPR"); + error_append_hint(errp, + "Try appending -machine cap-nested-papr=off\n"); } } @@ -735,6 +779,15 @@ SpaprCapabilityInfo capability_table[SPAPR_CAP_NUM] = { .type = "bool", .apply = cap_nested_kvm_hv_apply, }, + [SPAPR_CAP_NESTED_PAPR] = { + .name = "nested-papr", + .description = "Allow Nested HV (PAPR API)", + .index = SPAPR_CAP_NESTED_PAPR, + .get = spapr_cap_get_bool, + .set = spapr_cap_set_bool, + .type = "bool", + .apply = cap_nested_papr_apply, + }, [SPAPR_CAP_LARGE_DECREMENTER] = { .name = "large-decr", .description = "Allow Large Decrementer", @@ -919,6 +972,7 @@ SPAPR_CAP_MIG_STATE(sbbc, SPAPR_CAP_SBBC); SPAPR_CAP_MIG_STATE(ibs, SPAPR_CAP_IBS); SPAPR_CAP_MIG_STATE(hpt_maxpagesize, SPAPR_CAP_HPT_MAXPAGESIZE); SPAPR_CAP_MIG_STATE(nested_kvm_hv, SPAPR_CAP_NESTED_KVM_HV); +SPAPR_CAP_MIG_STATE(nested_papr, SPAPR_CAP_NESTED_PAPR); SPAPR_CAP_MIG_STATE(large_decr, SPAPR_CAP_LARGE_DECREMENTER); SPAPR_CAP_MIG_STATE(ccf_assist, SPAPR_CAP_CCF_ASSIST); SPAPR_CAP_MIG_STATE(fwnmi, SPAPR_CAP_FWNMI); diff --git a/hw/ppc/spapr_nested.c b/hw/ppc/spapr_nested.c index ce3490bcf2..936659b4c0 100644 --- a/hw/ppc/spapr_nested.c +++ b/hw/ppc/spapr_nested.c @@ -13,13 +13,15 @@ void spapr_nested_reset(SpaprMachineState *spapr) { if (spapr_get_cap(spapr, SPAPR_CAP_NESTED_KVM_HV)) { - spapr->nested.api = NESTED_API_KVM_HV; spapr_unregister_nested_hv(); spapr_register_nested_hv(); - } else { - spapr->nested.api = 0; + } 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; } } diff --git a/include/hw/ppc/spapr.h b/include/hw/ppc/spapr.h index 6223873641..4aaf23d28f 100644 --- a/include/hw/ppc/spapr.h +++ b/include/hw/ppc/spapr.h @@ -81,8 +81,10 @@ typedef enum { #define SPAPR_CAP_RPT_INVALIDATE 0x0B /* Support for AIL modes */ #define SPAPR_CAP_AIL_MODE_3 0x0C +/* Nested PAPR */ +#define SPAPR_CAP_NESTED_PAPR 0x0D /* Num Caps */ -#define SPAPR_CAP_NUM (SPAPR_CAP_AIL_MODE_3 + 1) +#define SPAPR_CAP_NUM (SPAPR_CAP_NESTED_PAPR + 1) /* * Capability Values @@ -592,6 +594,7 @@ struct SpaprMachineState { #define H_GUEST_CREATE_VCPU 0x474 #define H_GUEST_GET_STATE 0x478 #define H_GUEST_SET_STATE 0x47C +#define H_GUEST_RUN_VCPU 0x480 #define H_GUEST_DELETE 0x488 #define MAX_HCALL_OPCODE H_GUEST_DELETE @@ -996,6 +999,7 @@ extern const VMStateDescription vmstate_spapr_cap_sbbc; extern const VMStateDescription vmstate_spapr_cap_ibs; extern const VMStateDescription vmstate_spapr_cap_hpt_maxpagesize; extern const VMStateDescription vmstate_spapr_cap_nested_kvm_hv; +extern const VMStateDescription vmstate_spapr_cap_nested_papr; extern const VMStateDescription vmstate_spapr_cap_large_decr; extern const VMStateDescription vmstate_spapr_cap_ccf_assist; extern const VMStateDescription vmstate_spapr_cap_fwnmi; |