arm64/kvm/sys_regs.c

46 static int set_id_reg(struct kvm_vcpu *vcpu, const struct sys_reg_desc *rd,
551 static int set_oslsr_el1(struct kvm_vcpu *vcpu, const struct sys_reg_desc *rd,
558 	if ((val ^ rd->val) & ~OSLSR_EL1_OSLK)
561 	__vcpu_sys_reg(vcpu, rd->reg) = val;
628 		       const struct sys_reg_desc *rd,
633 	get_access_mask(rd, &mask, &shift);
645 		       const struct sys_reg_desc *rd,
650 	get_access_mask(rd, &mask, &shift);
656 		     const struct sys_reg_desc *rd)
658 	u64 *dbg_reg = &vcpu->arch.vcpu_debug_state.dbg_bvr[rd->CRm];
661 		reg_to_dbg(vcpu, p, rd, dbg_reg);
663 		dbg_to_reg(vcpu, p, rd, dbg_reg);
665 	trace_trap_reg(__func__, rd->CRm, p->is_write, *dbg_reg);
670 static int set_bvr(struct kvm_vcpu *vcpu, const struct sys_reg_desc *rd,
673 	vcpu->arch.vcpu_debug_state.dbg_bvr[rd->CRm] = val;
677 static int get_bvr(struct kvm_vcpu *vcpu, const struct sys_reg_desc *rd,
680 	*val = vcpu->arch.vcpu_debug_state.dbg_bvr[rd->CRm];
685 		      const struct sys_reg_desc *rd)
687 	vcpu->arch.vcpu_debug_state.dbg_bvr[rd->CRm] = rd->val;
688 	return rd->val;
693 		     const struct sys_reg_desc *rd)
695 	u64 *dbg_reg = &vcpu->arch.vcpu_debug_state.dbg_bcr[rd->CRm];
698 		reg_to_dbg(vcpu, p, rd, dbg_reg);
700 		dbg_to_reg(vcpu, p, rd, dbg_reg);
702 	trace_trap_reg(__func__, rd->CRm, p->is_write, *dbg_reg);
707 static int set_bcr(struct kvm_vcpu *vcpu, const struct sys_reg_desc *rd,
710 	vcpu->arch.vcpu_debug_state.dbg_bcr[rd->CRm] = val;
714 static int get_bcr(struct kvm_vcpu *vcpu, const struct sys_reg_desc *rd,
717 	*val = vcpu->arch.vcpu_debug_state.dbg_bcr[rd->CRm];
722 		      const struct sys_reg_desc *rd)
724 	vcpu->arch.vcpu_debug_state.dbg_bcr[rd->CRm] = rd->val;
725 	return rd->val;
730 		     const struct sys_reg_desc *rd)
732 	u64 *dbg_reg = &vcpu->arch.vcpu_debug_state.dbg_wvr[rd->CRm];
735 		reg_to_dbg(vcpu, p, rd, dbg_reg);
737 		dbg_to_reg(vcpu, p, rd, dbg_reg);
739 	trace_trap_reg(__func__, rd->CRm, p->is_write,
740 		vcpu->arch.vcpu_debug_state.dbg_wvr[rd->CRm]);
745 static int set_wvr(struct kvm_vcpu *vcpu, const struct sys_reg_desc *rd,
748 	vcpu->arch.vcpu_debug_state.dbg_wvr[rd->CRm] = val;
752 static int get_wvr(struct kvm_vcpu *vcpu, const struct sys_reg_desc *rd,
755 	*val = vcpu->arch.vcpu_debug_state.dbg_wvr[rd->CRm];
760 		      const struct sys_reg_desc *rd)
762 	vcpu->arch.vcpu_debug_state.dbg_wvr[rd->CRm] = rd->val;
763 	return rd->val;
768 		     const struct sys_reg_desc *rd)
770 	u64 *dbg_reg = &vcpu->arch.vcpu_debug_state.dbg_wcr[rd->CRm];
773 		reg_to_dbg(vcpu, p, rd, dbg_reg);
775 		dbg_to_reg(vcpu, p, rd, dbg_reg);
777 	trace_trap_reg(__func__, rd->CRm, p->is_write, *dbg_reg);
782 static int set_wcr(struct kvm_vcpu *vcpu, const struct sys_reg_desc *rd,
785 	vcpu->arch.vcpu_debug_state.dbg_wcr[rd->CRm] = val;
789 static int get_wcr(struct kvm_vcpu *vcpu, const struct sys_reg_desc *rd,
792 	*val = vcpu->arch.vcpu_debug_state.dbg_wcr[rd->CRm];
797 		      const struct sys_reg_desc *rd)
799 	vcpu->arch.vcpu_debug_state.dbg_wcr[rd->CRm] = rd->val;
800 	return rd->val;
1349 			const struct sys_reg_desc *rd)
1451 				const struct sys_reg_desc *rd,
1456 	u32 id = reg_to_encoding(rd);
1457 	u64 writable_mask = rd->val;
1458 	u64 limit = rd->reset(vcpu, rd);
1466 	if (sysreg_visible_as_raz(vcpu, rd))
1640 				   const struct sys_reg_desc *rd)
1649 					  const struct sys_reg_desc *rd)
1694 					  const struct sys_reg_desc *rd)
1715 			       const struct sys_reg_desc *rd,
1745 	return set_id_reg(vcpu, rd, val);
1749 				      const struct sys_reg_desc *rd)
1764 			   const struct sys_reg_desc *rd,
1787 	return set_id_reg(vcpu, rd, val);
1797 static int get_id_reg(struct kvm_vcpu *vcpu, const struct sys_reg_desc *rd,
1805 		*val = read_id_reg(vcpu, rd);
1810 	*val = read_id_reg(vcpu, rd);
1816 static int set_id_reg(struct kvm_vcpu *vcpu, const struct sys_reg_desc *rd,
1819 	u32 id = reg_to_encoding(rd);
1829 		if (val != read_id_reg(vcpu, rd))
1838 	ret = arm64_check_features(vcpu, rd, val);
1856 static int get_raz_reg(struct kvm_vcpu *vcpu, const struct sys_reg_desc *rd,
1863 static int set_wi_reg(struct kvm_vcpu *vcpu, const struct sys_reg_desc *rd,
1945 static int set_clidr(struct kvm_vcpu *vcpu, const struct sys_reg_desc *rd,
1954 	__vcpu_sys_reg(vcpu, rd->reg) = val;
1988 				   const struct sys_reg_desc *rd)
2005 				   const struct sys_reg_desc *rd)
2057 					   const struct sys_reg_desc *rd)
3908 			    const struct sys_reg_desc *rd,
3916 	if (!(rd->reg || rd->get_user))
3919 	if (sysreg_hidden_user(vcpu, rd))
3922 	if (!copy_reg_to_user(rd, uind))