1# SPDX-License-Identifier: GPL-2.0 2 3ccflags-y += -I $(srctree)/arch/x86/kvm 4ccflags-$(CONFIG_KVM_WERROR) += -Werror 5 6include $(srctree)/virt/kvm/Makefile.kvm 7 8kvm-y += x86.o emulate.o irq.o lapic.o cpuid.o pmu.o mtrr.o \ 9 debugfs.o mmu/mmu.o mmu/page_track.o mmu/spte.o 10 11kvm-$(CONFIG_X86_64) += mmu/tdp_iter.o mmu/tdp_mmu.o 12kvm-$(CONFIG_KVM_IOAPIC) += i8259.o i8254.o ioapic.o 13kvm-$(CONFIG_KVM_HYPERV) += hyperv.o 14kvm-$(CONFIG_KVM_XEN) += xen.o 15kvm-$(CONFIG_KVM_SMM) += smm.o 16 17kvm-intel-y += vmx/vmx.o vmx/vmenter.o vmx/pmu_intel.o vmx/vmcs12.o \ 18 vmx/nested.o vmx/posted_intr.o vmx/main.o 19 20kvm-intel-$(CONFIG_X86_SGX_KVM) += vmx/sgx.o 21kvm-intel-$(CONFIG_KVM_HYPERV) += vmx/hyperv.o vmx/hyperv_evmcs.o 22kvm-intel-$(CONFIG_KVM_INTEL_TDX) += vmx/tdx.o 23 24kvm-amd-y += svm/svm.o svm/vmenter.o svm/pmu.o svm/nested.o svm/avic.o 25 26kvm-amd-$(CONFIG_KVM_AMD_SEV) += svm/sev.o 27kvm-amd-$(CONFIG_KVM_HYPERV) += svm/hyperv.o 28 29ifdef CONFIG_HYPERV 30kvm-y += kvm_onhyperv.o 31kvm-intel-y += vmx/vmx_onhyperv.o vmx/hyperv_evmcs.o 32kvm-amd-y += svm/svm_onhyperv.o 33endif 34 35obj-$(CONFIG_KVM_X86) += kvm.o 36obj-$(CONFIG_KVM_INTEL) += kvm-intel.o 37obj-$(CONFIG_KVM_AMD) += kvm-amd.o 38 39AFLAGS_svm/vmenter.o := -iquote $(obj) 40$(obj)/svm/vmenter.o: $(obj)/kvm-asm-offsets.h 41 42AFLAGS_vmx/vmenter.o := -iquote $(obj) 43$(obj)/vmx/vmenter.o: $(obj)/kvm-asm-offsets.h 44 45$(obj)/kvm-asm-offsets.h: $(obj)/kvm-asm-offsets.s FORCE 46 $(call filechk,offsets,__KVM_ASM_OFFSETS_H__) 47 48targets += kvm-asm-offsets.s 49clean-files += kvm-asm-offsets.h 50 51 52# Fail the build if there is unexpected EXPORT_SYMBOL_GPL (or EXPORT_SYMBOL) 53# usage. All KVM-internal exports should use EXPORT_SYMBOL_FOR_KVM_INTERNAL. 54# Only a handful of exports intended for other modules (VFIO, KVMGT) should 55# use EXPORT_SYMBOL_GPL, and EXPORT_SYMBOL should never be used. 56ifdef CONFIG_KVM_X86 57# Search recursively for whole words and print line numbers. Filter out the 58# allowed set of exports, i.e. those that are intended for external usage. 59exports_grep_trailer := --include='*.[ch]' -nrw $(srctree)/virt/kvm $(srctree)/arch/x86/kvm | \ 60 grep -v -e kvm_page_track_register_notifier \ 61 -e kvm_page_track_unregister_notifier \ 62 -e kvm_write_track_add_gfn \ 63 -e kvm_write_track_remove_gfn \ 64 -e kvm_get_kvm \ 65 -e kvm_get_kvm_safe \ 66 -e kvm_put_kvm 67 68# Force grep to emit a goofy group separator that can in turn be replaced with 69# the above newline macro (newlines in Make are a nightmare). Note, grep only 70# prints the group separator when N lines of context are requested via -C, 71# a.k.a. --NUM. Simply request zero lines. Print the separator only after 72# filtering out expected exports to avoid extra newlines in the error message. 73define get_kvm_exports 74$(shell grep "$(1)" -C0 $(exports_grep_trailer) | grep "$(1)" -C0 --group-separator="!SEP!") 75endef 76 77define check_kvm_exports 78nr_kvm_exports := $(shell grep "$(1)" $(exports_grep_trailer) | wc -l) 79 80ifneq (0,$$(nr_kvm_exports)) 81$$(error ERROR ***\ 82$$(newline)found $$(nr_kvm_exports) unwanted occurrences of $(1):\ 83$$(newline) $(subst !SEP!,$$(newline) ,$(call get_kvm_exports,$(1)))\ 84$$(newline)in directories:\ 85$$(newline) $(srctree)/arch/x86/kvm\ 86$$(newline) $(srctree)/virt/kvm\ 87$$(newline)Use EXPORT_SYMBOL_FOR_KVM_INTERNAL, not $(1)) 88endif # nr_kvm_exports != 0 89undefine nr_kvm_exports 90endef # check_kvm_exports 91 92$(eval $(call check_kvm_exports,EXPORT_SYMBOL_GPL)) 93$(eval $(call check_kvm_exports,EXPORT_SYMBOL)) 94 95undefine check_kvm_exports 96undefine get_kvm_exports 97undefine exports_grep_trailer 98endif # CONFIG_KVM_X86 99