linux-kernel - [PATCH v3 4/4] KVM: riscv: selftests: Add Svadu Extension to get-reg-list testt

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Message-Id: <20231102120129.11261-5-yongxuan.wang@sifive.com>
Date:   Thu,  2 Nov 2023 12:01:25 +0000
From:   Yong-Xuan Wang <yongxuan.wang@...ive.com>
To:     linux-riscv@...ts.infradead.org, kvm-riscv@...ts.infradead.org
Cc:     greentime.hu@...ive.com, vincent.chen@...ive.com, tjytimi@....com,
        alex@...ti.fr, conor.dooley@...rochip.com, ajones@...tanamicro.com,
        Yong-Xuan Wang <yongxuan.wang@...ive.com>,
        Paolo Bonzini <pbonzini@...hat.com>,
        Shuah Khan <shuah@...nel.org>,
        Paul Walmsley <paul.walmsley@...ive.com>,
        Palmer Dabbelt <palmer@...belt.com>,
        Albert Ou <aou@...s.berkeley.edu>,
        Anup Patel <apatel@...tanamicro.com>,
        Atish Patra <atishp@...osinc.com>,
        Haibo Xu <haibo1.xu@...el.com>, kvm@...r.kernel.org,
        linux-kselftest@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH v3 4/4] KVM: riscv: selftests: Add Svadu Extension to get-reg-list testt

Update the get-reg-list test to test the Svadu Extension is available
for guest OS.

Signed-off-by: Yong-Xuan Wang <yongxuan.wang@...ive.com>
---
 .../testing/selftests/kvm/riscv/get-reg-list.c | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/tools/testing/selftests/kvm/riscv/get-reg-list.c b/tools/testing/selftests/kvm/riscv/get-reg-list.c
index 9f99ea42f45f..972538d76f48 100644
--- a/tools/testing/selftests/kvm/riscv/get-reg-list.c
+++ b/tools/testing/selftests/kvm/riscv/get-reg-list.c
@@ -49,6 +49,7 @@ bool filter_reg(__u64 reg)
 	case KVM_REG_RISCV_ISA_EXT | KVM_RISCV_ISA_EXT_ZICSR:
 	case KVM_REG_RISCV_ISA_EXT | KVM_RISCV_ISA_EXT_ZIFENCEI:
 	case KVM_REG_RISCV_ISA_EXT | KVM_RISCV_ISA_EXT_ZIHPM:
+	case KVM_REG_RISCV_ISA_EXT | KVM_RISCV_ISA_EXT_SVADU:
 		return true;
 	/* AIA registers are always available when Ssaia can't be disabled */
 	case KVM_REG_RISCV_CSR | KVM_REG_RISCV_CSR_AIA | KVM_REG_RISCV_CSR_AIA_REG(siselect):
@@ -340,6 +341,7 @@ static const char *isa_ext_id_to_str(__u64 id)
 		"KVM_RISCV_ISA_EXT_ZICSR",
 		"KVM_RISCV_ISA_EXT_ZIFENCEI",
 		"KVM_RISCV_ISA_EXT_ZIHPM",
+		"KVM_RISCV_ISA_EXT_SVADU",
 	};
 
 	if (reg_off >= ARRAY_SIZE(kvm_isa_ext_reg_name)) {
@@ -700,6 +702,10 @@ static __u64 fp_d_regs[] = {
 	KVM_REG_RISCV | KVM_REG_SIZE_ULONG | KVM_REG_RISCV_ISA_EXT | KVM_RISCV_ISA_EXT_D,
 };
 
+static __u64 svadu_regs[] = {
+	KVM_REG_RISCV | KVM_REG_SIZE_ULONG | KVM_REG_RISCV_ISA_EXT | KVM_RISCV_ISA_EXT_SVADU,
+};
+
 #define BASE_SUBLIST \
 	{"base", .regs = base_regs, .regs_n = ARRAY_SIZE(base_regs), \
 	 .skips_set = base_skips_set, .skips_set_n = ARRAY_SIZE(base_skips_set),}
@@ -739,6 +745,9 @@ static __u64 fp_d_regs[] = {
 #define FP_D_REGS_SUBLIST \
 	{"fp_d", .feature = KVM_RISCV_ISA_EXT_D, .regs = fp_d_regs, \
 		.regs_n = ARRAY_SIZE(fp_d_regs),}
+#define SVADU_REGS_SUBLIST \
+	{"svadu", .feature = KVM_RISCV_ISA_EXT_SVADU, .regs = svadu_regs, \
+		.regs_n = ARRAY_SIZE(svadu_regs),}
 
 static struct vcpu_reg_list h_config = {
 	.sublists = {
@@ -876,6 +885,14 @@ static struct vcpu_reg_list fp_d_config = {
 	},
 };
 
+static struct vcpu_reg_list svadu_config = {
+	.sublists = {
+	BASE_SUBLIST,
+	SVADU_REGS_SUBLIST,
+	{0},
+	},
+};
+
 struct vcpu_reg_list *vcpu_configs[] = {
 	&h_config,
 	&zicbom_config,
@@ -894,5 +911,6 @@ struct vcpu_reg_list *vcpu_configs[] = {
 	&aia_config,
 	&fp_f_config,
 	&fp_d_config,
+	&svadu_config,
 };
 int vcpu_configs_n = ARRAY_SIZE(vcpu_configs);
-- 
2.17.1