RISC-V: KVM: Rename dis_idx to ext_idx

Make the name of the extension_disabled[] index more general in
order to expand its application.

Signed-off-by: Andrew Jones <ajones@ventanamicro.com>
Reviewed-by: Anup Patel <anup@brainfault.org>
Signed-off-by: Anup Patel <anup@brainfault.org>
This commit is contained in:
Andrew Jones 2023-05-30 19:50:22 +02:00 committed by Anup Patel
parent 19bff88e65
commit ae328dadf9

View File

@ -31,49 +31,49 @@ static const struct kvm_vcpu_sbi_extension vcpu_sbi_ext_pmu = {
#endif
struct kvm_riscv_sbi_extension_entry {
enum KVM_RISCV_SBI_EXT_ID dis_idx;
enum KVM_RISCV_SBI_EXT_ID ext_idx;
const struct kvm_vcpu_sbi_extension *ext_ptr;
};
static const struct kvm_riscv_sbi_extension_entry sbi_ext[] = {
{
.dis_idx = KVM_RISCV_SBI_EXT_V01,
.ext_idx = KVM_RISCV_SBI_EXT_V01,
.ext_ptr = &vcpu_sbi_ext_v01,
},
{
.dis_idx = KVM_RISCV_SBI_EXT_MAX, /* Can't be disabled */
.ext_idx = KVM_RISCV_SBI_EXT_MAX, /* Can't be disabled */
.ext_ptr = &vcpu_sbi_ext_base,
},
{
.dis_idx = KVM_RISCV_SBI_EXT_TIME,
.ext_idx = KVM_RISCV_SBI_EXT_TIME,
.ext_ptr = &vcpu_sbi_ext_time,
},
{
.dis_idx = KVM_RISCV_SBI_EXT_IPI,
.ext_idx = KVM_RISCV_SBI_EXT_IPI,
.ext_ptr = &vcpu_sbi_ext_ipi,
},
{
.dis_idx = KVM_RISCV_SBI_EXT_RFENCE,
.ext_idx = KVM_RISCV_SBI_EXT_RFENCE,
.ext_ptr = &vcpu_sbi_ext_rfence,
},
{
.dis_idx = KVM_RISCV_SBI_EXT_SRST,
.ext_idx = KVM_RISCV_SBI_EXT_SRST,
.ext_ptr = &vcpu_sbi_ext_srst,
},
{
.dis_idx = KVM_RISCV_SBI_EXT_HSM,
.ext_idx = KVM_RISCV_SBI_EXT_HSM,
.ext_ptr = &vcpu_sbi_ext_hsm,
},
{
.dis_idx = KVM_RISCV_SBI_EXT_PMU,
.ext_idx = KVM_RISCV_SBI_EXT_PMU,
.ext_ptr = &vcpu_sbi_ext_pmu,
},
{
.dis_idx = KVM_RISCV_SBI_EXT_EXPERIMENTAL,
.ext_idx = KVM_RISCV_SBI_EXT_EXPERIMENTAL,
.ext_ptr = &vcpu_sbi_ext_experimental,
},
{
.dis_idx = KVM_RISCV_SBI_EXT_VENDOR,
.ext_idx = KVM_RISCV_SBI_EXT_VENDOR,
.ext_ptr = &vcpu_sbi_ext_vendor,
},
};
@ -147,7 +147,7 @@ static int riscv_vcpu_set_sbi_ext_single(struct kvm_vcpu *vcpu,
return -EINVAL;
for (i = 0; i < ARRAY_SIZE(sbi_ext); i++) {
if (sbi_ext[i].dis_idx == reg_num) {
if (sbi_ext[i].ext_idx == reg_num) {
sext = &sbi_ext[i];
break;
}
@ -155,7 +155,7 @@ static int riscv_vcpu_set_sbi_ext_single(struct kvm_vcpu *vcpu,
if (!sext)
return -ENOENT;
scontext->extension_disabled[sext->dis_idx] = !reg_val;
scontext->extension_disabled[sext->ext_idx] = !reg_val;
return 0;
}
@ -172,7 +172,7 @@ static int riscv_vcpu_get_sbi_ext_single(struct kvm_vcpu *vcpu,
return -EINVAL;
for (i = 0; i < ARRAY_SIZE(sbi_ext); i++) {
if (sbi_ext[i].dis_idx == reg_num) {
if (sbi_ext[i].ext_idx == reg_num) {
sext = &sbi_ext[i];
break;
}
@ -180,7 +180,7 @@ static int riscv_vcpu_get_sbi_ext_single(struct kvm_vcpu *vcpu,
if (!sext)
return -ENOENT;
*reg_val = !scontext->extension_disabled[sext->dis_idx];
*reg_val = !scontext->extension_disabled[sext->ext_idx];
return 0;
}
@ -315,8 +315,8 @@ const struct kvm_vcpu_sbi_extension *kvm_vcpu_sbi_find_ext(
sext = &sbi_ext[i];
if (sext->ext_ptr->extid_start <= extid &&
sext->ext_ptr->extid_end >= extid) {
if (sext->dis_idx < KVM_RISCV_SBI_EXT_MAX &&
scontext->extension_disabled[sext->dis_idx])
if (sext->ext_idx < KVM_RISCV_SBI_EXT_MAX &&
scontext->extension_disabled[sext->ext_idx])
return NULL;
return sbi_ext[i].ext_ptr;
}