diff options
Diffstat (limited to 'arch/arm64/kvm/vgic-sys-reg-v3.c')
-rw-r--r-- | arch/arm64/kvm/vgic-sys-reg-v3.c | 68 |
1 files changed, 18 insertions, 50 deletions
diff --git a/arch/arm64/kvm/vgic-sys-reg-v3.c b/arch/arm64/kvm/vgic-sys-reg-v3.c index 6260b69e5622..c77d508b7462 100644 --- a/arch/arm64/kvm/vgic-sys-reg-v3.c +++ b/arch/arm64/kvm/vgic-sys-reg-v3.c @@ -208,29 +208,12 @@ static void vgic_v3_access_apr_reg(struct kvm_vcpu *vcpu, static bool access_gic_aprn(struct kvm_vcpu *vcpu, struct sys_reg_params *p, const struct sys_reg_desc *r, u8 apr) { - struct vgic_cpu *vgic_v3_cpu = &vcpu->arch.vgic_cpu; u8 idx = r->Op2 & 3; - /* - * num_pri_bits are initialized with HW supported values. - * We can rely safely on num_pri_bits even if VM has not - * restored ICC_CTLR_EL1 before restoring APnR registers. - */ - switch (vgic_v3_cpu->num_pri_bits) { - case 7: - vgic_v3_access_apr_reg(vcpu, p, apr, idx); - break; - case 6: - if (idx > 1) - goto err; - vgic_v3_access_apr_reg(vcpu, p, apr, idx); - break; - default: - if (idx > 0) - goto err; - vgic_v3_access_apr_reg(vcpu, p, apr, idx); - } + if (idx > vgic_v3_max_apr_idx(vcpu)) + goto err; + vgic_v3_access_apr_reg(vcpu, p, apr, idx); return true; err: if (!p->is_write) @@ -268,36 +251,21 @@ static bool access_gic_sre(struct kvm_vcpu *vcpu, struct sys_reg_params *p, return true; } static const struct sys_reg_desc gic_v3_icc_reg_descs[] = { - /* ICC_PMR_EL1 */ - { Op0(3), Op1(0), CRn(4), CRm(6), Op2(0), access_gic_pmr }, - /* ICC_BPR0_EL1 */ - { Op0(3), Op1(0), CRn(12), CRm(8), Op2(3), access_gic_bpr0 }, - /* ICC_AP0R0_EL1 */ - { Op0(3), Op1(0), CRn(12), CRm(8), Op2(4), access_gic_ap0r }, - /* ICC_AP0R1_EL1 */ - { Op0(3), Op1(0), CRn(12), CRm(8), Op2(5), access_gic_ap0r }, - /* ICC_AP0R2_EL1 */ - { Op0(3), Op1(0), CRn(12), CRm(8), Op2(6), access_gic_ap0r }, - /* ICC_AP0R3_EL1 */ - { Op0(3), Op1(0), CRn(12), CRm(8), Op2(7), access_gic_ap0r }, - /* ICC_AP1R0_EL1 */ - { Op0(3), Op1(0), CRn(12), CRm(9), Op2(0), access_gic_ap1r }, - /* ICC_AP1R1_EL1 */ - { Op0(3), Op1(0), CRn(12), CRm(9), Op2(1), access_gic_ap1r }, - /* ICC_AP1R2_EL1 */ - { Op0(3), Op1(0), CRn(12), CRm(9), Op2(2), access_gic_ap1r }, - /* ICC_AP1R3_EL1 */ - { Op0(3), Op1(0), CRn(12), CRm(9), Op2(3), access_gic_ap1r }, - /* ICC_BPR1_EL1 */ - { Op0(3), Op1(0), CRn(12), CRm(12), Op2(3), access_gic_bpr1 }, - /* ICC_CTLR_EL1 */ - { Op0(3), Op1(0), CRn(12), CRm(12), Op2(4), access_gic_ctlr }, - /* ICC_SRE_EL1 */ - { Op0(3), Op1(0), CRn(12), CRm(12), Op2(5), access_gic_sre }, - /* ICC_IGRPEN0_EL1 */ - { Op0(3), Op1(0), CRn(12), CRm(12), Op2(6), access_gic_grpen0 }, - /* ICC_GRPEN1_EL1 */ - { Op0(3), Op1(0), CRn(12), CRm(12), Op2(7), access_gic_grpen1 }, + { SYS_DESC(SYS_ICC_PMR_EL1), access_gic_pmr }, + { SYS_DESC(SYS_ICC_BPR0_EL1), access_gic_bpr0 }, + { SYS_DESC(SYS_ICC_AP0R0_EL1), access_gic_ap0r }, + { SYS_DESC(SYS_ICC_AP0R1_EL1), access_gic_ap0r }, + { SYS_DESC(SYS_ICC_AP0R2_EL1), access_gic_ap0r }, + { SYS_DESC(SYS_ICC_AP0R3_EL1), access_gic_ap0r }, + { SYS_DESC(SYS_ICC_AP1R0_EL1), access_gic_ap1r }, + { SYS_DESC(SYS_ICC_AP1R1_EL1), access_gic_ap1r }, + { SYS_DESC(SYS_ICC_AP1R2_EL1), access_gic_ap1r }, + { SYS_DESC(SYS_ICC_AP1R3_EL1), access_gic_ap1r }, + { SYS_DESC(SYS_ICC_BPR1_EL1), access_gic_bpr1 }, + { SYS_DESC(SYS_ICC_CTLR_EL1), access_gic_ctlr }, + { SYS_DESC(SYS_ICC_SRE_EL1), access_gic_sre }, + { SYS_DESC(SYS_ICC_IGRPEN0_EL1), access_gic_grpen0 }, + { SYS_DESC(SYS_ICC_IGRPEN1_EL1), access_gic_grpen1 }, }; int vgic_v3_has_cpu_sysregs_attr(struct kvm_vcpu *vcpu, bool is_write, u64 id, |