1 /* SPDX-License-Identifier: GPL-2.0-only */
15 #include <asm/guest-state-buffer.h>
37 #define SID_MAP_MASK    (SID_MAP_NUM - 1)
88 	u64 tb_offset;		/* guest timebase - host timebase */
389 	return vcpu->arch.book3s;  in to_book3s()
401 static inline void kvmppc_set_gpr(struct kvm_vcpu *vcpu, int num, ulong val)  in kvmppc_set_gpr()  argument
403 	vcpu->arch.regs.gpr[num] = val;  in kvmppc_set_gpr()
404 	kvmhv_nestedv2_mark_dirty(vcpu, KVMPPC_GSID_GPR(num));  in kvmppc_set_gpr()
407 static inline ulong kvmppc_get_gpr(struct kvm_vcpu *vcpu, int num)  in kvmppc_get_gpr()  argument
409 	WARN_ON(kvmhv_nestedv2_cached_reload(vcpu, KVMPPC_GSID_GPR(num)) < 0);  in kvmppc_get_gpr()
410 	return vcpu->arch.regs.gpr[num];  in kvmppc_get_gpr()
415 	vcpu->arch.regs.ccr = val;  in kvmppc_set_cr()
422 	return vcpu->arch.regs.ccr;  in kvmppc_get_cr()
427 	vcpu->arch.regs.xer = val;  in kvmppc_set_xer()
434 	return vcpu->arch.regs.xer;  in kvmppc_get_xer()
439 	vcpu->arch.regs.ctr = val;  in kvmppc_set_ctr()
446 	return vcpu->arch.regs.ctr;  in kvmppc_get_ctr()
451 	vcpu->arch.regs.link = val;  in kvmppc_set_lr()
458 	return vcpu->arch.regs.link;  in kvmppc_get_lr()
463 	vcpu->arch.regs.nip = val;  in kvmppc_set_pc()
470 	return vcpu->arch.regs.nip;  in kvmppc_get_pc()
481 	return vcpu->arch.fault_dar;  in kvmppc_get_fault_dar()
487 	return vcpu->arch.fp.fpr[i][TS_FPROFFSET];  in kvmppc_get_fpr()
492 	vcpu->arch.fp.fpr[i][TS_FPROFFSET] = val;  in kvmppc_set_fpr()
499 	return vcpu->arch.fp.fpscr;  in kvmppc_get_fpscr()
504 	vcpu->arch.fp.fpscr = val;  in kvmppc_set_fpscr()
512 	return vcpu->arch.fp.fpr[i][j];  in kvmppc_get_vsx_fpr()
518 	vcpu->arch.fp.fpr[i][j] = val;  in kvmppc_set_vsx_fpr()
526 	*v =  vcpu->arch.vr.vr[i];  in kvmppc_get_vsx_vr()
532 	vcpu->arch.vr.vr[i] = *val;  in kvmppc_set_vsx_vr()
539 	return vcpu->arch.vr.vscr.u[3];  in kvmppc_get_vscr()
544 	vcpu->arch.vr.vscr.u[3] = val;  in kvmppc_set_vscr()
553 	vcpu->arch.reg = val;						\
561 	return vcpu->arch.reg;						\
580 	vcpu->arch.vcore->reg = val;					\
588 	return vcpu->arch.vcore->reg;					\
604 	return vcpu->arch.vcore->tb_offset;  in kvmppc_get_tb_offset()
610 	return vcpu->arch.dec_expires;  in kvmppc_get_dec_expires()
615 	vcpu->arch.dec_expires = val;  in kvmppc_set_dec_expires()
622 	return kvmppc_get_dec_expires(vcpu) - kvmppc_get_tb_offset(vcpu);  in kvmppc_dec_expires_host_tb()
634 	return !is_kvmppc_hv_enabled(vcpu->kvm);  in kvmppc_supports_magic_page()
654  * [0..KVM_MAX_VCPUS) space, using knowledge of the guest's core stride
658  * The implementation leaves VCPU IDs from the range [0..KVM_MAX_VCPUS) (block
659  * 0) unchanged: if the guest is filling each VCORE completely then it will be
660  * using consecutive IDs and it will fill the space without any packing.
662  * For higher VCPU IDs, the packed ID is based on the VCPU ID modulo
666  * VCPU IDs in the range [KVM_MAX_VCPUS..(KVM_MAX_VCPUS*2)) (block 1) are only
667  * possible if the guest is leaving at least 1/2 of each VCORE empty, so IDs
671  * Similarly, if VCPU IDs in the range [(KVM_MAX_VCPUS*2)..(KVM_MAX_VCPUS*4))
672  * (blocks 2 and 3) are seen, the guest must be leaving at least 3/4 of each
673  * VCORE empty so packed IDs can be offset by (stride / 4) and (stride * 3 / 4).
675  * Finally, VCPU IDs from blocks 5..7 will only be seen if the guest is using a
680  * block number if the stride is 8. For cases where the guest's stride is less
681  * than 8, we can re-use the block_offsets array by multiplying the block
687 	int stride = kvm->arch.emul_smt_mode;  in kvmppc_pack_vcpu_id()