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Date: Fri, 29 Mar 2024 17:26:27 +0800
From: Max Hsu <max.hsu@...ive.com>
To: Conor Dooley <conor@...nel.org>, Rob Herring <robh@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Paul Walmsley <paul.walmsley@...ive.com>,
Palmer Dabbelt <palmer@...belt.com>, Albert Ou <aou@...s.berkeley.edu>,
"Rafael J. Wysocki" <rafael@...nel.org>, Pavel Machek <pavel@....cz>,
Anup Patel <anup@...infault.org>, Atish Patra <atishp@...shpatra.org>,
Paolo Bonzini <pbonzini@...hat.com>, Shuah Khan <shuah@...nel.org>
Cc: Palmer Dabbelt <palmer@...ive.com>, linux-riscv@...ts.infradead.org,
devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
linux-pm@...r.kernel.org, kvm@...r.kernel.org,
kvm-riscv@...ts.infradead.org, linux-kselftest@...r.kernel.org,
Max Hsu <max.hsu@...ive.com>, Yong-Xuan Wang <yongxuan.wang@...ive.com>
Subject: [PATCH RFC 11/11] KVM: riscv: selftests: Add Sdtrig Extension to
get-reg-list test
From: Yong-Xuan Wang <yongxuan.wang@...ive.com>
Update the get-reg-list test to test the Sdtrig Extension is available
for guest OS.
Signed-off-by: Yong-Xuan Wang <yongxuan.wang@...ive.com>
Co-developed-by: Max Hsu <max.hsu@...ive.com>
Signed-off-by: Max Hsu <max.hsu@...ive.com>
---
tools/testing/selftests/kvm/riscv/get-reg-list.c | 27 ++++++++++++++++++++++++
1 file changed, 27 insertions(+)
diff --git a/tools/testing/selftests/kvm/riscv/get-reg-list.c b/tools/testing/selftests/kvm/riscv/get-reg-list.c
index b882b7b9b785..f2696e308509 100644
--- a/tools/testing/selftests/kvm/riscv/get-reg-list.c
+++ b/tools/testing/selftests/kvm/riscv/get-reg-list.c
@@ -41,6 +41,7 @@ bool filter_reg(__u64 reg)
case KVM_REG_RISCV_ISA_EXT | KVM_REG_RISCV_ISA_SINGLE | KVM_RISCV_ISA_EXT_I:
case KVM_REG_RISCV_ISA_EXT | KVM_REG_RISCV_ISA_SINGLE | KVM_RISCV_ISA_EXT_M:
case KVM_REG_RISCV_ISA_EXT | KVM_REG_RISCV_ISA_SINGLE | KVM_RISCV_ISA_EXT_V:
+ case KVM_REG_RISCV_ISA_EXT | KVM_REG_RISCV_ISA_SINGLE | KVM_RISCV_ISA_EXT_SDTRIG:
case KVM_REG_RISCV_ISA_EXT | KVM_REG_RISCV_ISA_SINGLE | KVM_RISCV_ISA_EXT_SMSTATEEN:
case KVM_REG_RISCV_ISA_EXT | KVM_REG_RISCV_ISA_SINGLE | KVM_RISCV_ISA_EXT_SSAIA:
case KVM_REG_RISCV_ISA_EXT | KVM_REG_RISCV_ISA_SINGLE | KVM_RISCV_ISA_EXT_SSTC:
@@ -247,6 +248,8 @@ static const char *core_id_to_str(const char *prefix, __u64 id)
"KVM_REG_RISCV_CSR_AIA | KVM_REG_RISCV_CSR_REG(" #csr ")"
#define RISCV_CSR_SMSTATEEN(csr) \
"KVM_REG_RISCV_CSR_SMSTATEEN | KVM_REG_RISCV_CSR_REG(" #csr ")"
+#define RISCV_CSR_SDTRIG(csr) \
+ "KVM_REG_RISCV_CSR_SDTRIG | KVM_REG_RISCV_CSR_REG(" #csr ")"
static const char *general_csr_id_to_str(__u64 reg_off)
{
@@ -314,6 +317,18 @@ static const char *smstateen_csr_id_to_str(__u64 reg_off)
return NULL;
}
+static const char *sdtrig_csr_id_to_str(__u64 reg_off)
+{
+ /* reg_off is the offset into struct kvm_riscv_smstateen_csr */
+ switch (reg_off) {
+ case KVM_REG_RISCV_CSR_SDTRIG_REG(scontext):
+ return RISCV_CSR_SDTRIG(scontext);
+ }
+
+ TEST_FAIL("Unknown sdtrig csr reg: 0x%llx", reg_off);
+ return NULL;
+}
+
static const char *csr_id_to_str(const char *prefix, __u64 id)
{
__u64 reg_off = id & ~(REG_MASK | KVM_REG_RISCV_CSR);
@@ -330,6 +345,8 @@ static const char *csr_id_to_str(const char *prefix, __u64 id)
return aia_csr_id_to_str(reg_off);
case KVM_REG_RISCV_CSR_SMSTATEEN:
return smstateen_csr_id_to_str(reg_off);
+ case KVM_REG_RISCV_CSR_SDTRIG:
+ return sdtrig_csr_id_to_str(reg_off);
}
return strdup_printf("%lld | %lld /* UNKNOWN */", reg_subtype, reg_off);
@@ -406,6 +423,7 @@ static const char *isa_ext_single_id_to_str(__u64 reg_off)
KVM_ISA_EXT_ARR(I),
KVM_ISA_EXT_ARR(M),
KVM_ISA_EXT_ARR(V),
+ KVM_ISA_EXT_ARR(SDTRIG),
KVM_ISA_EXT_ARR(SMSTATEEN),
KVM_ISA_EXT_ARR(SSAIA),
KVM_ISA_EXT_ARR(SSTC),
@@ -764,6 +782,11 @@ static __u64 smstateen_regs[] = {
KVM_REG_RISCV | KVM_REG_SIZE_ULONG | KVM_REG_RISCV_ISA_EXT | KVM_REG_RISCV_ISA_SINGLE | KVM_RISCV_ISA_EXT_SMSTATEEN,
};
+static __u64 sdtrig_regs[] = {
+ KVM_REG_RISCV | KVM_REG_SIZE_ULONG | KVM_REG_RISCV_CSR | KVM_REG_RISCV_CSR_SDTRIG | KVM_REG_RISCV_CSR_SDTRIG_REG(scontext),
+ KVM_REG_RISCV | KVM_REG_SIZE_ULONG | KVM_REG_RISCV_ISA_EXT | KVM_REG_RISCV_ISA_SINGLE | KVM_RISCV_ISA_EXT_SDTRIG,
+};
+
static __u64 fp_f_regs[] = {
KVM_REG_RISCV | KVM_REG_SIZE_U32 | KVM_REG_RISCV_FP_F | KVM_REG_RISCV_FP_F_REG(f[0]),
KVM_REG_RISCV | KVM_REG_SIZE_U32 | KVM_REG_RISCV_FP_F | KVM_REG_RISCV_FP_F_REG(f[1]),
@@ -853,6 +876,8 @@ static __u64 fp_d_regs[] = {
{"zicboz", .feature = KVM_RISCV_ISA_EXT_ZICBOZ, .regs = zicboz_regs, .regs_n = ARRAY_SIZE(zicboz_regs),}
#define SUBLIST_AIA \
{"aia", .feature = KVM_RISCV_ISA_EXT_SSAIA, .regs = aia_regs, .regs_n = ARRAY_SIZE(aia_regs),}
+#define SUBLIST_SDTRIG \
+ {"sdtrig", .feature = KVM_RISCV_ISA_EXT_SDTRIG, .regs = sdtrig_regs, .regs_n = ARRAY_SIZE(sdtrig_regs),}
#define SUBLIST_SMSTATEEN \
{"smstateen", .feature = KVM_RISCV_ISA_EXT_SMSTATEEN, .regs = smstateen_regs, .regs_n = ARRAY_SIZE(smstateen_regs),}
#define SUBLIST_FP_F \
@@ -930,6 +955,7 @@ KVM_ISA_EXT_SUBLIST_CONFIG(aia, AIA);
KVM_ISA_EXT_SUBLIST_CONFIG(fp_f, FP_F);
KVM_ISA_EXT_SUBLIST_CONFIG(fp_d, FP_D);
KVM_ISA_EXT_SIMPLE_CONFIG(h, H);
+KVM_ISA_EXT_SUBLIST_CONFIG(sdtrig, SDTRIG);
KVM_ISA_EXT_SUBLIST_CONFIG(smstateen, SMSTATEEN);
KVM_ISA_EXT_SIMPLE_CONFIG(sstc, SSTC);
KVM_ISA_EXT_SIMPLE_CONFIG(svinval, SVINVAL);
@@ -985,6 +1011,7 @@ struct vcpu_reg_list *vcpu_configs[] = {
&config_fp_f,
&config_fp_d,
&config_h,
+ &config_sdtrig,
&config_smstateen,
&config_sstc,
&config_svinval,
--
2.43.2
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