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Thu, 14 Aug 2025 08:56:34 -0700 (PDT) From: Anup Patel To: Atish Patra Cc: Palmer Dabbelt , Paul Walmsley , Alexandre Ghiti , Andrew Jones , Anup Patel , Paolo Bonzini , Shuah Khan , kvm@vger.kernel.org, kvm-riscv@lists.infradead.org, linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, Anup Patel Subject: [PATCH 6/6] KVM: riscv: selftests: Add SBI FWFT to get-reg-list test Date: Thu, 14 Aug 2025 21:25:48 +0530 Message-ID: <20250814155548.457172-7-apatel@ventanamicro.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20250814155548.457172-1-apatel@ventanamicro.com> References: <20250814155548.457172-1-apatel@ventanamicro.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" KVM RISC-V now supports SBI FWFT, so add it to the get-reg-list test. Signed-off-by: Anup Patel --- .../selftests/kvm/riscv/get-reg-list.c | 28 +++++++++++++++++++ 1 file changed, 28 insertions(+) diff --git a/tools/testing/selftests/kvm/riscv/get-reg-list.c b/tools/testi= ng/selftests/kvm/riscv/get-reg-list.c index a0b7dabb5040..1bc84f09b4ee 100644 --- a/tools/testing/selftests/kvm/riscv/get-reg-list.c +++ b/tools/testing/selftests/kvm/riscv/get-reg-list.c @@ -128,6 +128,7 @@ bool filter_reg(__u64 reg) case KVM_REG_RISCV_SBI_EXT | KVM_REG_RISCV_SBI_SINGLE | KVM_RISCV_SBI_EXT= _DBCN: case KVM_REG_RISCV_SBI_EXT | KVM_REG_RISCV_SBI_SINGLE | KVM_RISCV_SBI_EXT= _SUSP: case KVM_REG_RISCV_SBI_EXT | KVM_REG_RISCV_SBI_SINGLE | KVM_RISCV_SBI_EXT= _STA: + case KVM_REG_RISCV_SBI_EXT | KVM_REG_RISCV_SBI_SINGLE | KVM_RISCV_SBI_EXT= _FWFT: case KVM_REG_RISCV_SBI_EXT | KVM_REG_RISCV_SBI_SINGLE | KVM_RISCV_SBI_EXT= _EXPERIMENTAL: case KVM_REG_RISCV_SBI_EXT | KVM_REG_RISCV_SBI_SINGLE | KVM_RISCV_SBI_EXT= _VENDOR: return true; @@ -627,6 +628,7 @@ static const char *sbi_ext_single_id_to_str(__u64 reg_o= ff) KVM_SBI_EXT_ARR(KVM_RISCV_SBI_EXT_DBCN), KVM_SBI_EXT_ARR(KVM_RISCV_SBI_EXT_SUSP), KVM_SBI_EXT_ARR(KVM_RISCV_SBI_EXT_STA), + KVM_SBI_EXT_ARR(KVM_RISCV_SBI_EXT_FWFT), KVM_SBI_EXT_ARR(KVM_RISCV_SBI_EXT_EXPERIMENTAL), KVM_SBI_EXT_ARR(KVM_RISCV_SBI_EXT_VENDOR), }; @@ -683,6 +685,17 @@ static const char *sbi_sta_id_to_str(__u64 reg_off) return strdup_printf("KVM_REG_RISCV_SBI_STA | %lld /* UNKNOWN */", reg_of= f); } =20 +static const char *sbi_fwft_id_to_str(__u64 reg_off) +{ + switch (reg_off) { + case 0: return "KVM_REG_RISCV_SBI_FWFT | KVM_REG_RISCV_SBI_FWFT_REG(misal= igned_deleg.flags)"; + case 1: return "KVM_REG_RISCV_SBI_FWFT | KVM_REG_RISCV_SBI_FWFT_REG(misal= igned_deleg.value)"; + case 2: return "KVM_REG_RISCV_SBI_FWFT | KVM_REG_RISCV_SBI_FWFT_REG(point= er_masking.flags)"; + case 3: return "KVM_REG_RISCV_SBI_FWFT | KVM_REG_RISCV_SBI_FWFT_REG(point= er_masking.value)"; + } + return strdup_printf("KVM_REG_RISCV_SBI_STA | %lld /* UNKNOWN */", reg_of= f); +} + static const char *sbi_id_to_str(const char *prefix, __u64 id) { __u64 reg_off =3D id & ~(REG_MASK | KVM_REG_RISCV_SBI_STATE); @@ -695,6 +708,8 @@ static const char *sbi_id_to_str(const char *prefix, __= u64 id) switch (reg_subtype) { case KVM_REG_RISCV_SBI_STA: return sbi_sta_id_to_str(reg_off); + case KVM_REG_RISCV_SBI_FWFT: + return sbi_fwft_id_to_str(reg_off); } =20 return strdup_printf("%lld | %lld /* UNKNOWN */", reg_subtype, reg_off); @@ -859,6 +874,14 @@ static __u64 sbi_sta_regs[] =3D { KVM_REG_RISCV | KVM_REG_SIZE_ULONG | KVM_REG_RISCV_SBI_STATE | KVM_REG_RI= SCV_SBI_STA | KVM_REG_RISCV_SBI_STA_REG(shmem_hi), }; =20 +static __u64 sbi_fwft_regs[] =3D { + KVM_REG_RISCV | KVM_REG_SIZE_ULONG | KVM_REG_RISCV_SBI_EXT | KVM_REG_RISC= V_SBI_SINGLE | KVM_RISCV_SBI_EXT_FWFT, + KVM_REG_RISCV | KVM_REG_SIZE_ULONG | KVM_REG_RISCV_SBI_STATE | KVM_REG_RI= SCV_SBI_FWFT | KVM_REG_RISCV_SBI_FWFT_REG(misaligned_deleg.flags), + KVM_REG_RISCV | KVM_REG_SIZE_ULONG | KVM_REG_RISCV_SBI_STATE | KVM_REG_RI= SCV_SBI_FWFT | KVM_REG_RISCV_SBI_FWFT_REG(misaligned_deleg.value), + KVM_REG_RISCV | KVM_REG_SIZE_ULONG | KVM_REG_RISCV_SBI_STATE | KVM_REG_RI= SCV_SBI_FWFT | KVM_REG_RISCV_SBI_FWFT_REG(pointer_masking.flags), + KVM_REG_RISCV | KVM_REG_SIZE_ULONG | KVM_REG_RISCV_SBI_STATE | KVM_REG_RI= SCV_SBI_FWFT | KVM_REG_RISCV_SBI_FWFT_REG(pointer_masking.value), +}; + static __u64 zicbom_regs[] =3D { KVM_REG_RISCV | KVM_REG_SIZE_ULONG | KVM_REG_RISCV_CONFIG | KVM_REG_RISCV= _CONFIG_REG(zicbom_block_size), KVM_REG_RISCV | KVM_REG_SIZE_ULONG | KVM_REG_RISCV_ISA_EXT | KVM_REG_RISC= V_ISA_SINGLE | KVM_RISCV_ISA_EXT_ZICBOM, @@ -1010,6 +1033,9 @@ static __u64 vector_regs[] =3D { #define SUBLIST_SBI_STA \ {"sbi-sta", .feature_type =3D VCPU_FEATURE_SBI_EXT, .feature =3D KVM_RISC= V_SBI_EXT_STA, \ .regs =3D sbi_sta_regs, .regs_n =3D ARRAY_SIZE(sbi_sta_regs),} +#define SUBLIST_SBI_FWFT \ + {"sbi-fwft", .feature_type =3D VCPU_FEATURE_SBI_EXT, .feature =3D KVM_RIS= CV_SBI_EXT_FWFT, \ + .regs =3D sbi_fwft_regs, .regs_n =3D ARRAY_SIZE(sbi_fwft_regs),} #define SUBLIST_ZICBOM \ {"zicbom", .feature =3D KVM_RISCV_ISA_EXT_ZICBOM, .regs =3D zicbom_regs, = .regs_n =3D ARRAY_SIZE(zicbom_regs),} #define SUBLIST_ZICBOZ \ @@ -1092,6 +1118,7 @@ KVM_SBI_EXT_SUBLIST_CONFIG(sta, STA); KVM_SBI_EXT_SIMPLE_CONFIG(pmu, PMU); KVM_SBI_EXT_SIMPLE_CONFIG(dbcn, DBCN); KVM_SBI_EXT_SIMPLE_CONFIG(susp, SUSP); +KVM_SBI_EXT_SUBLIST_CONFIG(fwft, FWFT); =20 KVM_ISA_EXT_SUBLIST_CONFIG(aia, AIA); KVM_ISA_EXT_SUBLIST_CONFIG(fp_f, FP_F); @@ -1167,6 +1194,7 @@ struct vcpu_reg_list *vcpu_configs[] =3D { &config_sbi_pmu, &config_sbi_dbcn, &config_sbi_susp, + &config_sbi_fwft, &config_aia, &config_fp_f, &config_fp_d, --=20 2.43.0