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/Linux-v6.6/arch/x86/kvm/vmx/
Dnested.c182 if (to_vmx(vcpu)->nested.hv_evmcs_vmptr != EVMPTR_INVALID) in nested_vmx_failValid()
183 to_vmx(vcpu)->nested.need_vmcs12_to_shadow_sync = true; in nested_vmx_failValid()
196 if (vmx->nested.current_vmptr == INVALID_GPA && in nested_vmx_fail()
197 !evmptr_is_valid(vmx->nested.hv_evmcs_vmptr)) in nested_vmx_fail()
224 vmx->nested.need_vmcs12_to_shadow_sync = false; in vmx_disable_shadow_vmcs()
232 if (evmptr_is_valid(vmx->nested.hv_evmcs_vmptr)) { in nested_release_evmcs()
233 kvm_vcpu_unmap(vcpu, &vmx->nested.hv_evmcs_map, true); in nested_release_evmcs()
234 vmx->nested.hv_evmcs = NULL; in nested_release_evmcs()
237 vmx->nested.hv_evmcs_vmptr = EVMPTR_INVALID; in nested_release_evmcs()
240 hv_vcpu->nested.pa_page_gpa = INVALID_GPA; in nested_release_evmcs()
[all …]
Dnested.h41 return to_vmx(vcpu)->nested.cached_vmcs12; in get_vmcs12()
46 return to_vmx(vcpu)->nested.cached_shadow_vmcs12; in get_shadow_vmcs12()
59 return vmx->nested.current_vmptr != -1ull || in vmx_has_valid_vmcs12()
60 vmx->nested.hv_evmcs_vmptr != EVMPTR_INVALID; in vmx_has_valid_vmcs12()
67 return vmx->nested.vpid02 ? vmx->nested.vpid02 : vmx->vpid; in nested_get_vpid02()
100 return vmx_misc_cr3_count(to_vmx(vcpu)->nested.msrs.misc_low); in nested_cpu_vmx_misc_cr3_count()
110 return to_vmx(vcpu)->nested.msrs.misc_low & in nested_cpu_has_vmwrite_any_field()
116 return to_vmx(vcpu)->nested.msrs.misc_low & VMX_MISC_ZERO_LEN_INS; in nested_cpu_has_zero_length_injection()
121 return to_vmx(vcpu)->nested.msrs.procbased_ctls_high & in nested_cpu_supports_monitor_trap_flag()
127 return to_vmx(vcpu)->nested.msrs.secondary_ctls_high & in nested_cpu_has_vmx_shadow_vmcs()
[all …]
Dvmx.c116 static bool __read_mostly nested = 1; variable
117 module_param(nested, bool, S_IRUGO);
1310 if (vmx->nested.need_vmcs12_to_shadow_sync) in vmx_prepare_switch_to_guest()
1769 vmx->nested.mtf_pending = true; in vmx_update_emulated_instruction()
1772 vmx->nested.mtf_pending = false; in vmx_update_emulated_instruction()
1968 if (!nested) in vmx_get_msr_feature()
1970 return vmx_get_vmx_msr(&vmcs_config.nested, msr->index, &msr->data); in vmx_get_msr_feature()
2055 if (vmx_get_vmx_msr(&vmx->nested.msrs, msr_info->index, in vmx_get_msr()
2256 ((vmx->nested.msrs.entry_ctls_high & VM_ENTRY_LOAD_BNDCFGS) || in vmx_set_msr()
2257 (vmx->nested.msrs.exit_ctls_high & VM_EXIT_CLEAR_BNDCFGS))) in vmx_set_msr()
[all …]
/Linux-v6.6/arch/x86/kvm/svm/
Dnested.c62 u64 cr3 = svm->nested.ctl.nested_cr3; in nested_svm_get_tdp_pdptr()
77 return svm->nested.ctl.nested_cr3; in nested_svm_get_tdp_cr3()
95 svm->nested.ctl.nested_cr3); in nested_svm_init_mmu_context()
116 if (!(svm->nested.ctl.virt_ext & VIRTUAL_VMLOAD_VMSAVE_ENABLE_MASK)) in nested_vmcb_needs_vls_intercept()
135 g = &svm->nested.ctl; in recalc_intercepts()
190 struct hv_vmcb_enlightenments *hve = &svm->nested.ctl.hv_enlightenments; in nested_svm_vmrun_msrpm()
201 if (!svm->nested.force_msr_bitmap_recalc && in nested_svm_vmrun_msrpm()
204 (svm->nested.ctl.clean & BIT(HV_VMCB_NESTED_ENLIGHTENMENTS))) in nested_svm_vmrun_msrpm()
207 if (!(vmcb12_is_intercept(&svm->nested.ctl, INTERCEPT_MSR_PROT))) in nested_svm_vmrun_msrpm()
223 offset = svm->nested.ctl.msrpm_base_pa + (p * 4); in nested_svm_vmrun_msrpm()
[all …]
Dhyperv.h17 struct hv_vmcb_enlightenments *hve = &svm->nested.ctl.hv_enlightenments; in nested_svm_hv_update_vm_vp_ids()
23 hv_vcpu->nested.pa_page_gpa = hve->partition_assist_page; in nested_svm_hv_update_vm_vp_ids()
24 hv_vcpu->nested.vm_id = hve->hv_vm_id; in nested_svm_hv_update_vm_vp_ids()
25 hv_vcpu->nested.vp_id = hve->hv_vp_id; in nested_svm_hv_update_vm_vp_ids()
31 struct hv_vmcb_enlightenments *hve = &svm->nested.ctl.hv_enlightenments; in nested_svm_l2_tlb_flush_enabled()
Dsvm.h236 struct svm_nested_state nested; member
447 (svm->nested.ctl.int_ctl & V_GIF_ENABLE_MASK); in nested_vgif_enabled()
456 return svm->nested.vmcb02.ptr; in get_vgif_vmcb()
493 return svm->nested.ctl.nested_ctl & SVM_NESTED_CTL_NP_ENABLE; in nested_npt_enabled()
499 (svm->nested.ctl.int_ctl & V_NMI_ENABLE_MASK); in nested_vnmi_enabled()
571 return is_guest_mode(vcpu) && (svm->nested.ctl.int_ctl & V_INTR_MASKING_MASK); in nested_svm_virtualize_tpr()
576 return vmcb12_is_intercept(&svm->nested.ctl, INTERCEPT_SMI); in nested_exit_on_smi()
581 return vmcb12_is_intercept(&svm->nested.ctl, INTERCEPT_INTR); in nested_exit_on_intr()
586 return vmcb12_is_intercept(&svm->nested.ctl, INTERCEPT_NMI); in nested_exit_on_nmi()
/Linux-v6.6/Documentation/virt/kvm/x86/
Drunning-nested-guests.rst4 Running nested guests with KVM
7 A nested guest is the ability to run a guest inside another guest (it
36 - L2 – level-2 guest; a VM running on L1, this is the "nested guest"
44 resulting in at least four levels in a nested setup — L0 (bare
46 (guest hypervisor), L3 (nested guest).
56 There are several scenarios where nested KVM can be useful, to name a
61 Provider, using nested KVM lets you rent a large enough "guest
63 multiple nested guests (level-2 guests), running different OSes, on
66 - Live migration of "guest hypervisors" and their nested guests, for
76 Enabling "nested" (x86)
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Dindex.rst16 nested-vmx
17 running-nested-guests
Dnested-vmx.rst16 hypervisors (which use VMX) with their own nested guests. It does so by
20 We describe in much greater detail the theory behind the nested VMX feature,
32 In nested virtualization, we have three levels: The host (KVM), which we call
33 L0, the guest hypervisor, which we call L1, and its nested guest, which we
37 Running nested VMX
40 The nested VMX feature is enabled by default since Linux kernel v4.20. For
41 older Linux kernel, it can be enabled by giving the "nested=1" option to the
65 As a VMX implementation, nested VMX presents a VMCS structure to L1.
/Linux-v6.6/rust/macros/
Dzeroable.rs23 let mut nested = 0; in derive() localVariable
27 TokenTree::Punct(p) if nested == 0 && p.as_char() == ',' => { in derive()
36 TokenTree::Punct(p) if nested == 0 && p.as_char() == '\'' => { in derive()
40 TokenTree::Punct(p) if nested == 0 && p.as_char() == ':' => { in derive()
48 nested += 1; in derive()
52 assert!(nested > 0); in derive()
53 nested -= 1; in derive()
59 assert_eq!(nested, 0); in derive()
/Linux-v6.6/Documentation/networking/
Dethtool-netlink.rst53 Each request or reply message contains a nested attribute with common header.
89 type is used. For arbitrary length bitmaps, ethtool netlink uses a nested
109 Compact form: nested (bitset) attribute contents:
134 Bit-by-bit form: nested (bitset) attribute contents:
141 | ``ETHTOOL_A_BITSET_BITS`` | nested | array of bits |
143 | | ``ETHTOOL_A_BITSET_BITS_BIT+`` | nested | one bit |
317 | ``ETHTOOL_A_STRSET_HEADER`` | nested | request header |
319 | ``ETHTOOL_A_STRSET_STRINGSETS`` | nested | string set to request |
321 | | ``ETHTOOL_A_STRINGSETS_STRINGSET+`` | nested | one string set |
329 | ``ETHTOOL_A_STRSET_HEADER`` | nested | reply header |
[all …]
/Linux-v6.6/tools/perf/bench/
Depoll-ctl.c57 static unsigned int nested = 0; variable
79 …OPT_UINTEGER( 'N', "nested", &nested, "Nesting level epoll hierarchy (default is 0, no nesting)…
105 if (nested > EPOLL_MAXNESTS) in nest_epollfd()
106 nested = EPOLL_MAXNESTS; in nest_epollfd()
107 printinfo("Nesting level(s): %d\n", nested); in nest_epollfd()
109 epollfdp = calloc(nested, sizeof(int)); in nest_epollfd()
113 for (i = 0; i < nested; i++) { in nest_epollfd()
122 for (i = nested - 1; i; i--) { in nest_epollfd()
345 if (nested) in bench_epoll_ctl()
Depoll-wait.c105 static unsigned int nested = 0; variable
138 …OPT_UINTEGER( 'N', "nested", &nested, "Nesting level epoll hierarchy (default is 0, no nesting)…
246 if (nested > EPOLL_MAXNESTS) in nest_epollfd()
247 nested = EPOLL_MAXNESTS; in nest_epollfd()
249 epollfdp = calloc(nested, sizeof(*epollfdp)); in nest_epollfd()
253 for (i = 0; i < nested; i++) { in nest_epollfd()
262 for (i = nested - 1; i; i--) { in nest_epollfd()
325 if (nested) in do_threads()
460 if (nested) in bench_epoll_wait()
465 printinfo("Nesting level(s): %d\n", nested); in bench_epoll_wait()
/Linux-v6.6/net/netfilter/ipset/
Dip_set_bitmap_gen.h95 struct nlattr *nested; in mtype_head() local
98 nested = nla_nest_start(skb, IPSET_ATTR_DATA); in mtype_head()
99 if (!nested) in mtype_head()
108 nla_nest_end(skb, nested); in mtype_head()
207 struct nlattr *adt, *nested; in mtype_list() local
229 nested = nla_nest_start(skb, IPSET_ATTR_DATA); in mtype_list()
230 if (!nested) { in mtype_list()
243 nla_nest_end(skb, nested); in mtype_list()
253 nla_nest_cancel(skb, nested); in mtype_list()
Dip_set_list_set.c462 struct nlattr *nested; in list_set_head() local
465 nested = nla_nest_start(skb, IPSET_ATTR_DATA); in list_set_head()
466 if (!nested) in list_set_head()
475 nla_nest_end(skb, nested); in list_set_head()
487 struct nlattr *atd, *nested; in list_set_list() local
505 nested = nla_nest_start(skb, IPSET_ATTR_DATA); in list_set_list()
506 if (!nested) in list_set_list()
513 nla_nest_end(skb, nested); in list_set_list()
523 nla_nest_cancel(skb, nested); in list_set_list()
/Linux-v6.6/scripts/coccinelle/locks/
Dflags.cocci2 /// Find nested lock+irqsave functions that use the same flags variables
73 cocci.print_secs("nested lock+irqsave that reuses flags",p2)
80 msg="ERROR: nested lock+irqsave that reuses flags from line %s." % (p1[0].line)
/Linux-v6.6/arch/um/os-Linux/
Dsignal.c184 int nested, bail; in hard_handler() local
200 nested = pending & 1; in hard_handler()
215 if (!nested) in hard_handler()
216 pending = from_irq_stack(nested); in hard_handler()
/Linux-v6.6/arch/powerpc/kvm/
Dbook3s_hv_p9_entry.c137 if (!vcpu->arch.nested) { in store_vcpu_state()
201 if (!vcpu->arch.nested) { in restore_p9_host_os_sprs()
303 struct kvm_nested_guest *nested = vcpu->arch.nested; in switch_mmu_to_guest_radix() local
307 lpid = nested ? nested->shadow_lpid : kvm->arch.lpid; in switch_mmu_to_guest_radix()
454 struct kvm_nested_guest *nested) in check_need_tlb_flush() argument
460 if (nested) in check_need_tlb_flush()
461 need_tlb_flush = &nested->need_tlb_flush; in check_need_tlb_flush()
536 struct kvm_nested_guest *nested = vcpu->arch.nested; in kvmhv_vcpu_entry_p9() local
703 check_need_tlb_flush(kvm, vc->pcpu, nested); in kvmhv_vcpu_entry_p9()
Dbook3s_64_mmu_radix.c106 if (vcpu->arch.nested) in kvmhv_copy_tofrom_guest_radix()
107 lpid = vcpu->arch.nested->shadow_lpid; in kvmhv_copy_tofrom_guest_radix()
787 bool kvmppc_hv_handle_set_rc(struct kvm *kvm, bool nested, bool writing, in kvmppc_hv_handle_set_rc() argument
803 if (nested) in kvmppc_hv_handle_set_rc()
1304 struct kvm_nested_guest *nested; in debugfs_radix_read() local
1340 nested = NULL; in debugfs_radix_read()
1346 if (nested) { in debugfs_radix_read()
1347 kvmhv_put_nested(nested); in debugfs_radix_read()
1348 nested = NULL; in debugfs_radix_read()
1359 nested = kvmhv_get_nested(kvm, p->lpid, false); in debugfs_radix_read()
[all …]
/Linux-v6.6/Documentation/dev-tools/
Dktap.rst16 KTAP test results describe a series of tests (which may be nested: i.e., test
29 information, in particular nested test results, may be lost. Also note that
46 start of the nested test results. This differs from TAP14, which uses a
59 Plan lines follow version lines to indicate the number of nested tests.
185 In KTAP, tests can be nested. This is done by having a test include within its
201 An example of a test with two nested subtests:
214 An example format with multiple levels of nested testing:
240 allows an arbitrary number of tests to be nested no yes
245 The TAP14 specification does permit nested tests, but instead of using another
246 nested version line, uses a line of the form
/Linux-v6.6/Documentation/arch/x86/
Dkernel-stacks.rst28 hardware interrupt (i.e. not a nested hardware interrupt) then the
54 nested IST interrupts then the handler must adjust the IST values on
59 nested. For example, a debug interrupt can safely be interrupted by an
62 IST events with the same code to be nested. However in most cases, the
95 To handle nested #DB correctly there exist two instances of DB stacks. On
97 so a nested #DB starts from a clean stack. The nested #DB switches
/Linux-v6.6/arch/arm64/kvm/
DMakefile17 arch_timer.o trng.o vmid.o emulate-nested.o nested.o \
/Linux-v6.6/arch/x86/kvm/
DMakefile26 vmx/hyperv.o vmx/nested.o vmx/posted_intr.o
29 kvm-amd-y += svm/svm.o svm/vmenter.o svm/pmu.o svm/nested.o svm/avic.o \
/Linux-v6.6/arch/um/kernel/
Dirq.c709 int nested; in to_irq_stack() local
731 nested = (ti->real_thread != NULL); in to_irq_stack()
732 if (!nested) { in to_irq_stack()
745 *mask_out |= mask | nested; in to_irq_stack()
749 unsigned long from_irq_stack(int nested) in from_irq_stack() argument
/Linux-v6.6/scripts/coccinelle/misc/
Dirqf_oneshot.cocci106 …ING: Threaded IRQ with no primary handler requested without IRQF_ONESHOT (unless it is nested IRQ)"
112 …ING: Threaded IRQ with no primary handler requested without IRQF_ONESHOT (unless it is nested IRQ)"

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