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RISC-V: KVM: selftests: Add get-reg-list test for STA registers 

Add SBI STA and its two registers to the get-reg-list test.

Reviewed-by: Anup Patel <anup@brainfault.org>
Reviewed-by: Atish Patra <atishp@rivosinc.com>
Signed-off-by: Andrew Jones <ajones@ventanamicro.com>
Signed-off-by: Anup Patel <anup@brainfault.org>
This commit is contained in:
Andrew Jones 2023-12-20 17:00:26 +01:00 committed by Anup Patel
parent 60b6e31c49
commit aad86da229
1 changed files with 43 additions and 0 deletions
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43
tools/testing/selftests/kvm/riscv/get-reg-list.c
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@ -71,6 +71,7 @@ bool filter_reg(__u64 reg)
case KVM_REG_RISCV_SBI_EXT | KVM_REG_RISCV_SBI_SINGLE | KVM_RISCV_SBI_EXT_HSM:
case KVM_REG_RISCV_SBI_EXT | KVM_REG_RISCV_SBI_SINGLE | KVM_RISCV_SBI_EXT_PMU:
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_STA:
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;
@ -461,6 +462,7 @@ static const char *sbi_ext_single_id_to_str(__u64 reg_off)
KVM_SBI_EXT_ARR(KVM_RISCV_SBI_EXT_SRST),
KVM_SBI_EXT_ARR(KVM_RISCV_SBI_EXT_HSM),
KVM_SBI_EXT_ARR(KVM_RISCV_SBI_EXT_PMU),
KVM_SBI_EXT_ARR(KVM_RISCV_SBI_EXT_STA),
KVM_SBI_EXT_ARR(KVM_RISCV_SBI_EXT_EXPERIMENTAL),
KVM_SBI_EXT_ARR(KVM_RISCV_SBI_EXT_VENDOR),
KVM_SBI_EXT_ARR(KVM_RISCV_SBI_EXT_DBCN),
@ -509,6 +511,32 @@ static const char *sbi_ext_id_to_str(const char *prefix, __u64 id)
return strdup_printf("%lld | %lld /* UNKNOWN */", reg_subtype, reg_off);
}
static const char *sbi_sta_id_to_str(__u64 reg_off)
{
switch (reg_off) {
case 0: return "KVM_REG_RISCV_SBI_STA | KVM_REG_RISCV_SBI_STA_REG(shmem_lo)";
case 1: return "KVM_REG_RISCV_SBI_STA | KVM_REG_RISCV_SBI_STA_REG(shmem_hi)";
}
return strdup_printf("KVM_REG_RISCV_SBI_STA | %lld /* UNKNOWN */", reg_off);
}
static const char *sbi_id_to_str(const char *prefix, __u64 id)
{
__u64 reg_off = id & ~(REG_MASK | KVM_REG_RISCV_SBI_STATE);
__u64 reg_subtype = reg_off & KVM_REG_RISCV_SUBTYPE_MASK;
assert((id & KVM_REG_RISCV_TYPE_MASK) == KVM_REG_RISCV_SBI_STATE);
reg_off &= ~KVM_REG_RISCV_SUBTYPE_MASK;
switch (reg_subtype) {
case KVM_REG_RISCV_SBI_STA:
return sbi_sta_id_to_str(reg_off);
}
return strdup_printf("%lld | %lld /* UNKNOWN */", reg_subtype, reg_off);
}
void print_reg(const char *prefix, __u64 id)
{
const char *reg_size = NULL;
@ -565,6 +593,10 @@ void print_reg(const char *prefix, __u64 id)
printf("\tKVM_REG_RISCV | %s | KVM_REG_RISCV_SBI_EXT | %s,\n",
reg_size, sbi_ext_id_to_str(prefix, id));
break;
case KVM_REG_RISCV_SBI_STATE:
printf("\tKVM_REG_RISCV | %s | KVM_REG_RISCV_SBI_STATE | %s,\n",
reg_size, sbi_id_to_str(prefix, id));
break;
default:
printf("\tKVM_REG_RISCV | %s | 0x%llx /* UNKNOWN */,\n",
reg_size, id & ~REG_MASK);
@ -651,6 +683,12 @@ static __u64 sbi_base_regs[] = {
KVM_REG_RISCV | KVM_REG_SIZE_ULONG | KVM_REG_RISCV_SBI_EXT | KVM_REG_RISCV_SBI_SINGLE | KVM_RISCV_SBI_EXT_VENDOR,
};
static __u64 sbi_sta_regs[] = {
KVM_REG_RISCV | KVM_REG_SIZE_ULONG | KVM_REG_RISCV_SBI_EXT | KVM_REG_RISCV_SBI_SINGLE | KVM_RISCV_SBI_EXT_STA,
KVM_REG_RISCV | KVM_REG_SIZE_ULONG | KVM_REG_RISCV_SBI_STATE | KVM_REG_RISCV_SBI_STA | KVM_REG_RISCV_SBI_STA_REG(shmem_lo),
KVM_REG_RISCV | KVM_REG_SIZE_ULONG | KVM_REG_RISCV_SBI_STATE | KVM_REG_RISCV_SBI_STA | KVM_REG_RISCV_SBI_STA_REG(shmem_hi),
};
static __u64 zicbom_regs[] = {
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_RISCV_ISA_SINGLE | KVM_RISCV_ISA_EXT_ZICBOM,
@ -757,6 +795,9 @@ static __u64 fp_d_regs[] = {
#define SUBLIST_SBI_BASE \
{"sbi-base", .feature_type = VCPU_FEATURE_SBI_EXT, .feature = KVM_RISCV_SBI_EXT_V01, \
.regs = sbi_base_regs, .regs_n = ARRAY_SIZE(sbi_base_regs),}
#define SUBLIST_SBI_STA \
{"sbi-sta", .feature_type = VCPU_FEATURE_SBI_EXT, .feature = KVM_RISCV_SBI_EXT_STA, \
.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_ZICBOZ \
@ -832,6 +873,7 @@ static struct vcpu_reg_list config_sbi_##ext = { \
/* Note: The below list is alphabetically sorted. */
KVM_SBI_EXT_SUBLIST_CONFIG(base, BASE);
KVM_SBI_EXT_SUBLIST_CONFIG(sta, STA);
KVM_SBI_EXT_SIMPLE_CONFIG(pmu, PMU);
KVM_SBI_EXT_SIMPLE_CONFIG(dbcn, DBCN);
@ -858,6 +900,7 @@ KVM_ISA_EXT_SIMPLE_CONFIG(zihpm, ZIHPM);
struct vcpu_reg_list *vcpu_configs[] = {
&config_sbi_base,
&config_sbi_sta,
&config_sbi_pmu,
&config_sbi_dbcn,
&config_aia,