1. Patchew
  2. linux
  3. [PATCH 0/5] RISC-V: KVM: Allow zicop/bfloat16 exts for guest
  4. View patch

[PATCH 5/5] KVM: riscv: selftests: Add bfloat16 extension to get-reg-list test

zhouquan@iscas.ac.cn posted 5 patches 3 months, 3 weeks ago
[PATCH 5/5] KVM: riscv: selftests: Add bfloat16 extension to get-reg-list test
Posted by zhouquan@iscas.ac.cn 3 months, 3 weeks ago 
From: Quan Zhou <zhouquan@iscas.ac.cn>

The KVM RISC-V allows Zfbfmin/Zvfbfmin/Zvfbfwma extensions for Guest/VM
so add them to get-reg-list test.

Signed-off-by: Quan Zhou <zhouquan@iscas.ac.cn>
---
 tools/testing/selftests/kvm/riscv/get-reg-list.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/tools/testing/selftests/kvm/riscv/get-reg-list.c b/tools/testing/selftests/kvm/riscv/get-reg-list.c
index ebdc34b58bad..e5a07e000b66 100644
--- a/tools/testing/selftests/kvm/riscv/get-reg-list.c
+++ b/tools/testing/selftests/kvm/riscv/get-reg-list.c
@@ -80,6 +80,7 @@ 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:
@@ -104,6 +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:
@@ -535,6 +538,7 @@ 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),
@@ -559,6 +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),
@@ -1138,6 +1144,7 @@ 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);
@@ -1162,6 +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);
@@ -1213,6 +1222,7 @@ struct vcpu_reg_list *vcpu_configs[] = {
 	&config_zcf,
 	&config_zcmop,
 	&config_zfa,
+	&config_zfbfmin,
 	&config_zfh,
 	&config_zfhmin,
 	&config_zicbom,
@@ -1237,6 +1247,8 @@ struct vcpu_reg_list *vcpu_configs[] = {
 	&config_ztso,
 	&config_zvbb,
 	&config_zvbc,
+	&config_zvfbfmin,
+	&config_zvfbfwma,
 	&config_zvfh,
 	&config_zvfhmin,
 	&config_zvkb,
-- 
2.34.1
Re: [PATCH 5/5] KVM: riscv: selftests: Add bfloat16 extension to get-reg-list test
Posted by Andrew Jones 3 months, 2 weeks ago 
On Tue, Jun 17, 2025 at 09:10:50PM +0800, zhouquan@iscas.ac.cn wrote:
> From: Quan Zhou <zhouquan@iscas.ac.cn>
> 
> The KVM RISC-V allows Zfbfmin/Zvfbfmin/Zvfbfwma extensions for Guest/VM
> so add them to get-reg-list test.
> 
> Signed-off-by: Quan Zhou <zhouquan@iscas.ac.cn>
> ---
>  tools/testing/selftests/kvm/riscv/get-reg-list.c | 12 ++++++++++++
>  1 file changed, 12 insertions(+)
> 
> diff --git a/tools/testing/selftests/kvm/riscv/get-reg-list.c b/tools/testing/selftests/kvm/riscv/get-reg-list.c
> index ebdc34b58bad..e5a07e000b66 100644
> --- a/tools/testing/selftests/kvm/riscv/get-reg-list.c
> +++ b/tools/testing/selftests/kvm/riscv/get-reg-list.c
> @@ -80,6 +80,7 @@ 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:
> @@ -104,6 +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:
> @@ -535,6 +538,7 @@ 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),
> @@ -559,6 +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),
> @@ -1138,6 +1144,7 @@ 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);
> @@ -1162,6 +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);
> @@ -1213,6 +1222,7 @@ struct vcpu_reg_list *vcpu_configs[] = {
>  	&config_zcf,
>  	&config_zcmop,
>  	&config_zfa,
> +	&config_zfbfmin,
>  	&config_zfh,
>  	&config_zfhmin,
>  	&config_zicbom,
> @@ -1237,6 +1247,8 @@ struct vcpu_reg_list *vcpu_configs[] = {
>  	&config_ztso,
>  	&config_zvbb,
>  	&config_zvbc,
> +	&config_zvfbfmin,
> +	&config_zvfbfwma,
>  	&config_zvfh,
>  	&config_zvfhmin,
>  	&config_zvkb,
> -- 
> 2.34.1
>

Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Re: [PATCH 5/5] KVM: riscv: selftests: Add bfloat16 extension to get-reg-list test
Posted by Nutty Liu 3 months, 3 weeks ago 
On 6/17/2025 9:10 PM, zhouquan@iscas.ac.cn wrote:
> From: Quan Zhou <zhouquan@iscas.ac.cn>
>
> The KVM RISC-V allows Zfbfmin/Zvfbfmin/Zvfbfwma extensions for Guest/VM
> so add them to get-reg-list test.
>
> Signed-off-by: Quan Zhou <zhouquan@iscas.ac.cn>
> ---
>   tools/testing/selftests/kvm/riscv/get-reg-list.c | 12 ++++++++++++
>   1 file changed, 12 insertions(+)
>
> diff --git a/tools/testing/selftests/kvm/riscv/get-reg-list.c b/tools/testing/selftests/kvm/riscv/get-reg-list.c
> index ebdc34b58bad..e5a07e000b66 100644
> --- a/tools/testing/selftests/kvm/riscv/get-reg-list.c
> +++ b/tools/testing/selftests/kvm/riscv/get-reg-list.c
> @@ -80,6 +80,7 @@ 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:
> @@ -104,6 +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:
> @@ -535,6 +538,7 @@ 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),
> @@ -559,6 +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),
> @@ -1138,6 +1144,7 @@ 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);
> @@ -1162,6 +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);
> @@ -1213,6 +1222,7 @@ struct vcpu_reg_list *vcpu_configs[] = {
>   	&config_zcf,
>   	&config_zcmop,
>   	&config_zfa,
> +	&config_zfbfmin,
>   	&config_zfh,
>   	&config_zfhmin,
>   	&config_zicbom,
> @@ -1237,6 +1247,8 @@ struct vcpu_reg_list *vcpu_configs[] = {
>   	&config_ztso,
>   	&config_zvbb,
>   	&config_zvbc,
> +	&config_zvfbfmin,
> +	&config_zvfbfwma,
>   	&config_zvfh,
>   	&config_zvfhmin,
>   	&config_zvkb,

Reviewed-by: Nutty Liu<liujingqi@lanxincomputing.com>

Thanks,
Nutty

Patchew 2.1-devel-b67e4c2

© 2016 - 2025 Red Hat, Inc.