diff --git a/arch/riscv/include/uapi/asm/kvm.h b/arch/riscv/include/uapi/asm/kvm.h index 5f59fd226cc57a..79a5ac86597c28 100644 --- a/arch/riscv/include/uapi/asm/kvm.h +++ b/arch/riscv/include/uapi/asm/kvm.h @@ -55,6 +55,7 @@ struct kvm_riscv_config { unsigned long mimpid; unsigned long zicboz_block_size; unsigned long satp_mode; + unsigned long zicbop_block_size; }; /* CORE registers for KVM_GET_ONE_REG and KVM_SET_ONE_REG */ @@ -184,6 +185,10 @@ enum KVM_RISCV_ISA_EXT_ID { KVM_RISCV_ISA_EXT_ZICCRSE, KVM_RISCV_ISA_EXT_ZAAMO, KVM_RISCV_ISA_EXT_ZALRSC, + KVM_RISCV_ISA_EXT_ZICBOP, + KVM_RISCV_ISA_EXT_ZFBFMIN, + KVM_RISCV_ISA_EXT_ZVFBFMIN, + KVM_RISCV_ISA_EXT_ZVFBFWMA, KVM_RISCV_ISA_EXT_MAX, }; diff --git a/arch/riscv/kvm/vcpu_onereg.c b/arch/riscv/kvm/vcpu_onereg.c index 2e1b646f0d6130..2ba3f2c942ee0f 100644 --- a/arch/riscv/kvm/vcpu_onereg.c +++ b/arch/riscv/kvm/vcpu_onereg.c @@ -65,9 +65,11 @@ static const unsigned long kvm_isa_ext_arr[] = { KVM_ISA_EXT_ARR(ZCF), KVM_ISA_EXT_ARR(ZCMOP), KVM_ISA_EXT_ARR(ZFA), + KVM_ISA_EXT_ARR(ZFBFMIN), KVM_ISA_EXT_ARR(ZFH), KVM_ISA_EXT_ARR(ZFHMIN), KVM_ISA_EXT_ARR(ZICBOM), + KVM_ISA_EXT_ARR(ZICBOP), KVM_ISA_EXT_ARR(ZICBOZ), KVM_ISA_EXT_ARR(ZICCRSE), KVM_ISA_EXT_ARR(ZICNTR), @@ -88,6 +90,8 @@ static const unsigned long kvm_isa_ext_arr[] = { KVM_ISA_EXT_ARR(ZTSO), KVM_ISA_EXT_ARR(ZVBB), KVM_ISA_EXT_ARR(ZVBC), + KVM_ISA_EXT_ARR(ZVFBFMIN), + KVM_ISA_EXT_ARR(ZVFBFWMA), KVM_ISA_EXT_ARR(ZVFH), KVM_ISA_EXT_ARR(ZVFHMIN), KVM_ISA_EXT_ARR(ZVKB), @@ -169,8 +173,10 @@ static bool kvm_riscv_vcpu_isa_disable_allowed(unsigned long ext) case KVM_RISCV_ISA_EXT_ZCF: case KVM_RISCV_ISA_EXT_ZCMOP: case KVM_RISCV_ISA_EXT_ZFA: + case KVM_RISCV_ISA_EXT_ZFBFMIN: case KVM_RISCV_ISA_EXT_ZFH: case KVM_RISCV_ISA_EXT_ZFHMIN: + case KVM_RISCV_ISA_EXT_ZICBOP: case KVM_RISCV_ISA_EXT_ZICCRSE: case KVM_RISCV_ISA_EXT_ZICNTR: case KVM_RISCV_ISA_EXT_ZICOND: @@ -190,6 +196,8 @@ static bool kvm_riscv_vcpu_isa_disable_allowed(unsigned long ext) case KVM_RISCV_ISA_EXT_ZTSO: case KVM_RISCV_ISA_EXT_ZVBB: case KVM_RISCV_ISA_EXT_ZVBC: + case KVM_RISCV_ISA_EXT_ZVFBFMIN: + case KVM_RISCV_ISA_EXT_ZVFBFWMA: case KVM_RISCV_ISA_EXT_ZVFH: case KVM_RISCV_ISA_EXT_ZVFHMIN: case KVM_RISCV_ISA_EXT_ZVKB: @@ -256,6 +264,11 @@ static int kvm_riscv_vcpu_get_reg_config(struct kvm_vcpu *vcpu, return -ENOENT; reg_val = riscv_cboz_block_size; break; + case KVM_REG_RISCV_CONFIG_REG(zicbop_block_size): + if (!riscv_isa_extension_available(vcpu->arch.isa, ZICBOP)) + return -ENOENT; + reg_val = riscv_cbop_block_size; + break; case KVM_REG_RISCV_CONFIG_REG(mvendorid): reg_val = vcpu->arch.mvendorid; break; @@ -347,6 +360,12 @@ static int kvm_riscv_vcpu_set_reg_config(struct kvm_vcpu *vcpu, if (reg_val != riscv_cboz_block_size) return -EINVAL; break; + case KVM_REG_RISCV_CONFIG_REG(zicbop_block_size): + if (!riscv_isa_extension_available(vcpu->arch.isa, ZICBOP)) + return -ENOENT; + if (reg_val != riscv_cbop_block_size) + return -EINVAL; + break; case KVM_REG_RISCV_CONFIG_REG(mvendorid): if (reg_val == vcpu->arch.mvendorid) break; diff --git a/tools/testing/selftests/kvm/riscv/get-reg-list.c b/tools/testing/selftests/kvm/riscv/get-reg-list.c index a0b7dabb504062..e5a07e000b6673 100644 --- a/tools/testing/selftests/kvm/riscv/get-reg-list.c +++ b/tools/testing/selftests/kvm/riscv/get-reg-list.c @@ -80,9 +80,11 @@ bool filter_reg(__u64 reg) case KVM_REG_RISCV_ISA_EXT | KVM_REG_RISCV_ISA_SINGLE | KVM_RISCV_ISA_EXT_ZCF: case KVM_REG_RISCV_ISA_EXT | KVM_REG_RISCV_ISA_SINGLE | KVM_RISCV_ISA_EXT_ZCMOP: case KVM_REG_RISCV_ISA_EXT | KVM_REG_RISCV_ISA_SINGLE | KVM_RISCV_ISA_EXT_ZFA: + case KVM_REG_RISCV_ISA_EXT | KVM_REG_RISCV_ISA_SINGLE | KVM_RISCV_ISA_EXT_ZFBFMIN: case KVM_REG_RISCV_ISA_EXT | KVM_REG_RISCV_ISA_SINGLE | KVM_RISCV_ISA_EXT_ZFH: case KVM_REG_RISCV_ISA_EXT | KVM_REG_RISCV_ISA_SINGLE | KVM_RISCV_ISA_EXT_ZFHMIN: case KVM_REG_RISCV_ISA_EXT | KVM_REG_RISCV_ISA_SINGLE | KVM_RISCV_ISA_EXT_ZICBOM: + case KVM_REG_RISCV_ISA_EXT | KVM_REG_RISCV_ISA_SINGLE | KVM_RISCV_ISA_EXT_ZICBOP: case KVM_REG_RISCV_ISA_EXT | KVM_REG_RISCV_ISA_SINGLE | KVM_RISCV_ISA_EXT_ZICBOZ: case KVM_REG_RISCV_ISA_EXT | KVM_REG_RISCV_ISA_SINGLE | KVM_RISCV_ISA_EXT_ZICCRSE: case KVM_REG_RISCV_ISA_EXT | KVM_REG_RISCV_ISA_SINGLE | KVM_RISCV_ISA_EXT_ZICNTR: @@ -103,6 +105,8 @@ bool filter_reg(__u64 reg) case KVM_REG_RISCV_ISA_EXT | KVM_REG_RISCV_ISA_SINGLE | KVM_RISCV_ISA_EXT_ZTSO: case KVM_REG_RISCV_ISA_EXT | KVM_REG_RISCV_ISA_SINGLE | KVM_RISCV_ISA_EXT_ZVBB: case KVM_REG_RISCV_ISA_EXT | KVM_REG_RISCV_ISA_SINGLE | KVM_RISCV_ISA_EXT_ZVBC: + case KVM_REG_RISCV_ISA_EXT | KVM_REG_RISCV_ISA_SINGLE | KVM_RISCV_ISA_EXT_ZVFBFMIN: + case KVM_REG_RISCV_ISA_EXT | KVM_REG_RISCV_ISA_SINGLE | KVM_RISCV_ISA_EXT_ZVFBFWMA: case KVM_REG_RISCV_ISA_EXT | KVM_REG_RISCV_ISA_SINGLE | KVM_RISCV_ISA_EXT_ZVFH: case KVM_REG_RISCV_ISA_EXT | KVM_REG_RISCV_ISA_SINGLE | KVM_RISCV_ISA_EXT_ZVFHMIN: case KVM_REG_RISCV_ISA_EXT | KVM_REG_RISCV_ISA_SINGLE | KVM_RISCV_ISA_EXT_ZVKB: @@ -253,6 +257,8 @@ static const char *config_id_to_str(const char *prefix, __u64 id) return "KVM_REG_RISCV_CONFIG_REG(isa)"; case KVM_REG_RISCV_CONFIG_REG(zicbom_block_size): return "KVM_REG_RISCV_CONFIG_REG(zicbom_block_size)"; + case KVM_REG_RISCV_CONFIG_REG(zicbop_block_size): + return "KVM_REG_RISCV_CONFIG_REG(zicbop_block_size)"; case KVM_REG_RISCV_CONFIG_REG(zicboz_block_size): return "KVM_REG_RISCV_CONFIG_REG(zicboz_block_size)"; case KVM_REG_RISCV_CONFIG_REG(mvendorid): @@ -532,9 +538,11 @@ static const char *isa_ext_single_id_to_str(__u64 reg_off) KVM_ISA_EXT_ARR(ZCF), KVM_ISA_EXT_ARR(ZCMOP), KVM_ISA_EXT_ARR(ZFA), + KVM_ISA_EXT_ARR(ZFBFMIN), KVM_ISA_EXT_ARR(ZFH), KVM_ISA_EXT_ARR(ZFHMIN), KVM_ISA_EXT_ARR(ZICBOM), + KVM_ISA_EXT_ARR(ZICBOP), KVM_ISA_EXT_ARR(ZICBOZ), KVM_ISA_EXT_ARR(ZICCRSE), KVM_ISA_EXT_ARR(ZICNTR), @@ -555,6 +563,8 @@ static const char *isa_ext_single_id_to_str(__u64 reg_off) KVM_ISA_EXT_ARR(ZTSO), KVM_ISA_EXT_ARR(ZVBB), KVM_ISA_EXT_ARR(ZVBC), + KVM_ISA_EXT_ARR(ZVFBFMIN), + KVM_ISA_EXT_ARR(ZVFBFWMA), KVM_ISA_EXT_ARR(ZVFH), KVM_ISA_EXT_ARR(ZVFHMIN), KVM_ISA_EXT_ARR(ZVKB), @@ -864,6 +874,11 @@ static __u64 zicbom_regs[] = { KVM_REG_RISCV | KVM_REG_SIZE_ULONG | KVM_REG_RISCV_ISA_EXT | KVM_REG_RISCV_ISA_SINGLE | KVM_RISCV_ISA_EXT_ZICBOM, }; +static __u64 zicbop_regs[] = { + KVM_REG_RISCV | KVM_REG_SIZE_ULONG | KVM_REG_RISCV_CONFIG | KVM_REG_RISCV_CONFIG_REG(zicbop_block_size), + KVM_REG_RISCV | KVM_REG_SIZE_ULONG | KVM_REG_RISCV_ISA_EXT | KVM_REG_RISCV_ISA_SINGLE | KVM_RISCV_ISA_EXT_ZICBOP, +}; + static __u64 zicboz_regs[] = { KVM_REG_RISCV | KVM_REG_SIZE_ULONG | KVM_REG_RISCV_CONFIG | KVM_REG_RISCV_CONFIG_REG(zicboz_block_size), KVM_REG_RISCV | KVM_REG_SIZE_ULONG | KVM_REG_RISCV_ISA_EXT | KVM_REG_RISCV_ISA_SINGLE | KVM_RISCV_ISA_EXT_ZICBOZ, @@ -1012,6 +1027,8 @@ static __u64 vector_regs[] = { .regs = sbi_sta_regs, .regs_n = ARRAY_SIZE(sbi_sta_regs),} #define SUBLIST_ZICBOM \ {"zicbom", .feature = KVM_RISCV_ISA_EXT_ZICBOM, .regs = zicbom_regs, .regs_n = ARRAY_SIZE(zicbom_regs),} +#define SUBLIST_ZICBOP \ + {"zicbop", .feature = KVM_RISCV_ISA_EXT_ZICBOP, .regs = zicbop_regs, .regs_n = ARRAY_SIZE(zicbop_regs),} #define SUBLIST_ZICBOZ \ {"zicboz", .feature = KVM_RISCV_ISA_EXT_ZICBOZ, .regs = zicboz_regs, .regs_n = ARRAY_SIZE(zicboz_regs),} #define SUBLIST_AIA \ @@ -1127,9 +1144,11 @@ KVM_ISA_EXT_SIMPLE_CONFIG(zcd, ZCD); KVM_ISA_EXT_SIMPLE_CONFIG(zcf, ZCF); KVM_ISA_EXT_SIMPLE_CONFIG(zcmop, ZCMOP); KVM_ISA_EXT_SIMPLE_CONFIG(zfa, ZFA); +KVM_ISA_EXT_SIMPLE_CONFIG(zfbfmin, ZFBFMIN); KVM_ISA_EXT_SIMPLE_CONFIG(zfh, ZFH); KVM_ISA_EXT_SIMPLE_CONFIG(zfhmin, ZFHMIN); KVM_ISA_EXT_SUBLIST_CONFIG(zicbom, ZICBOM); +KVM_ISA_EXT_SUBLIST_CONFIG(zicbop, ZICBOP); KVM_ISA_EXT_SUBLIST_CONFIG(zicboz, ZICBOZ); KVM_ISA_EXT_SIMPLE_CONFIG(ziccrse, ZICCRSE); KVM_ISA_EXT_SIMPLE_CONFIG(zicntr, ZICNTR); @@ -1150,6 +1169,8 @@ KVM_ISA_EXT_SIMPLE_CONFIG(zkt, ZKT); KVM_ISA_EXT_SIMPLE_CONFIG(ztso, ZTSO); KVM_ISA_EXT_SIMPLE_CONFIG(zvbb, ZVBB); KVM_ISA_EXT_SIMPLE_CONFIG(zvbc, ZVBC); +KVM_ISA_EXT_SIMPLE_CONFIG(zvfbfmin, ZVFBFMIN); +KVM_ISA_EXT_SIMPLE_CONFIG(zvfbfwma, ZVFBFWMA); KVM_ISA_EXT_SIMPLE_CONFIG(zvfh, ZVFH); KVM_ISA_EXT_SIMPLE_CONFIG(zvfhmin, ZVFHMIN); KVM_ISA_EXT_SIMPLE_CONFIG(zvkb, ZVKB); @@ -1201,9 +1222,11 @@ struct vcpu_reg_list *vcpu_configs[] = { &config_zcf, &config_zcmop, &config_zfa, + &config_zfbfmin, &config_zfh, &config_zfhmin, &config_zicbom, + &config_zicbop, &config_zicboz, &config_ziccrse, &config_zicntr, @@ -1224,6 +1247,8 @@ struct vcpu_reg_list *vcpu_configs[] = { &config_ztso, &config_zvbb, &config_zvbc, + &config_zvfbfmin, + &config_zvfbfwma, &config_zvfh, &config_zvfhmin, &config_zvkb,