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-rw-r--r--arch/arm64/kvm/config.c30
1 files changed, 14 insertions, 16 deletions
diff --git a/arch/arm64/kvm/config.c b/arch/arm64/kvm/config.c
index 31e6947a4805..a6d3701e2870 100644
--- a/arch/arm64/kvm/config.c
+++ b/arch/arm64/kvm/config.c
@@ -136,6 +136,7 @@ struct reg_feat_map_desc {
#define FEAT_AA32EL0 ID_AA64PFR0_EL1, EL0, AARCH32
#define FEAT_AA32EL1 ID_AA64PFR0_EL1, EL1, AARCH32
#define FEAT_AA64EL1 ID_AA64PFR0_EL1, EL1, IMP
+#define FEAT_AA64EL2 ID_AA64PFR0_EL1, EL2, IMP
#define FEAT_AA64EL3 ID_AA64PFR0_EL1, EL3, IMP
#define FEAT_AIE ID_AA64MMFR3_EL1, AIE, IMP
#define FEAT_S2POE ID_AA64MMFR3_EL1, S2POE, IMP
@@ -1005,6 +1006,9 @@ static const struct reg_bits_to_feat_map hcr_feat_map[] = {
NEEDS_FEAT_FIXED(HCR_EL2_E2H, compute_hcr_e2h),
};
+static const DECLARE_FEAT_MAP(hcr_desc, HCR_EL2,
+ hcr_feat_map, FEAT_AA64EL2);
+
static const struct reg_bits_to_feat_map sctlr2_feat_map[] = {
NEEDS_FEAT(SCTLR2_EL1_NMEA |
SCTLR2_EL1_EASE,
@@ -1187,8 +1191,7 @@ void __init check_feature_map(void)
check_reg_desc(&hdfgrtr2_desc);
check_reg_desc(&hdfgwtr2_desc);
check_reg_desc(&hcrx_desc);
- check_feat_map(hcr_feat_map, ARRAY_SIZE(hcr_feat_map),
- HCR_EL2_RES0, "HCR_EL2");
+ check_reg_desc(&hcr_desc);
check_feat_map(sctlr2_feat_map, ARRAY_SIZE(sctlr2_feat_map),
SCTLR2_EL1_RES0, "SCTLR2_EL1");
check_feat_map(tcr2_el2_feat_map, ARRAY_SIZE(tcr2_el2_feat_map),
@@ -1278,15 +1281,13 @@ static u64 compute_reg_res0_bits(struct kvm *kvm,
return res0;
}
-static u64 compute_fixed_bits(struct kvm *kvm,
- const struct reg_bits_to_feat_map *map,
- int map_size,
- u64 *fixed_bits,
- unsigned long require,
- unsigned long exclude)
+static u64 compute_reg_fixed_bits(struct kvm *kvm,
+ const struct reg_feat_map_desc *r,
+ u64 *fixed_bits, unsigned long require,
+ unsigned long exclude)
{
- return __compute_fixed_bits(kvm, map, map_size, fixed_bits,
- require | FIXED_VALUE, exclude);
+ return __compute_fixed_bits(kvm, r->bit_feat_map, r->bit_feat_map_sz,
+ fixed_bits, require | FIXED_VALUE, exclude);
}
void compute_fgu(struct kvm *kvm, enum fgt_group_id fgt)
@@ -1391,12 +1392,9 @@ void get_reg_fixed_bits(struct kvm *kvm, enum vcpu_sysreg reg, u64 *res0, u64 *r
*res1 = __HCRX_EL2_RES1;
break;
case HCR_EL2:
- mask = compute_fixed_bits(kvm, hcr_feat_map,
- ARRAY_SIZE(hcr_feat_map), &fixed,
- 0, 0);
- *res0 = compute_res0_bits(kvm, hcr_feat_map,
- ARRAY_SIZE(hcr_feat_map), 0, 0);
- *res0 |= HCR_EL2_RES0 | (mask & ~fixed);
+ mask = compute_reg_fixed_bits(kvm, &hcr_desc, &fixed, 0, 0);
+ *res0 = compute_reg_res0_bits(kvm, &hcr_desc, 0, 0);
+ *res0 |= (mask & ~fixed);
*res1 = HCR_EL2_RES1 | (mask & fixed);
break;
case SCTLR2_EL1: