Lines Matching +full:pic +full:- +full:base +full:- +full:vec
1 // SPDX-License-Identifier: GPL-2.0-only
3 * Kernel-based Virtual Machine driver for Linux
16 * Ben-Ami Yassour <benami@il.ibm.com>
43 #include <linux/intel-iommu.h>
45 #include <linux/user-return-notifier.h>
59 #include <linux/entry-kvm.h>
88 ((struct kvm_vcpu *)(ctxt)->vcpu)
91 * - enable syscall per default because its emulated by KVM
92 * - enable LME and LMA per default on 64 bit KVM
140 /* tsc tolerance in parts per million - default to 1/2 of the NTP threshold */
145 * lapic timer advance (tscdeadline mode only) in nanoseconds. '-1' enables
147 * advancement entirely. Any other value is used as-is and disables adaptive
150 static int __read_mostly lapic_timer_advance_ns = -1;
163 int __read_mostly pi_inject_timer = -1;
288 size - useroffset, NULL); in kvm_alloc_emulator_cache()
297 vcpu->arch.apf.gfns[i] = ~0; in kvm_async_pf_hash_reset()
313 if (msrs->registered) { in kvm_on_user_return()
314 msrs->registered = false; in kvm_on_user_return()
319 values = &msrs->values[slot]; in kvm_on_user_return()
320 if (values->host != values->curr) { in kvm_on_user_return()
321 wrmsrl(user_return_msrs_global.msrs[slot], values->host); in kvm_on_user_return()
322 values->curr = values->host; in kvm_on_user_return()
361 msrs->values[i].host = value; in kvm_user_return_msr_cpu_online()
362 msrs->values[i].curr = value; in kvm_user_return_msr_cpu_online()
372 value = (value & mask) | (msrs->values[slot].host & ~mask); in kvm_set_user_return_msr()
373 if (value == msrs->values[slot].curr) in kvm_set_user_return_msr()
379 msrs->values[slot].curr = value; in kvm_set_user_return_msr()
380 if (!msrs->registered) { in kvm_set_user_return_msr()
381 msrs->urn.on_user_return = kvm_on_user_return; in kvm_set_user_return_msr()
382 user_return_notifier_register(&msrs->urn); in kvm_set_user_return_msr()
383 msrs->registered = true; in kvm_set_user_return_msr()
394 if (msrs->registered) in drop_user_return_notifiers()
395 kvm_on_user_return(&msrs->urn); in drop_user_return_notifiers()
400 return vcpu->arch.apic_base; in kvm_get_apic_base()
413 enum lapic_mode new_mode = kvm_apic_mode(msr_info->data); in kvm_set_apic_base()
417 if ((msr_info->data & reserved_bits) != 0 || new_mode == LAPIC_MODE_INVALID) in kvm_set_apic_base()
419 if (!msr_info->host_initiated) { in kvm_set_apic_base()
426 kvm_lapic_set_base(vcpu, msr_info->data); in kvm_set_apic_base()
427 kvm_recalculate_apic_map(vcpu->kvm); in kvm_set_apic_base()
476 * #DBs can be trap-like or fault-like, the caller must check other CPU in exception_type()
494 unsigned nr = vcpu->arch.exception.nr; in kvm_deliver_exception_payload()
495 bool has_payload = vcpu->arch.exception.has_payload; in kvm_deliver_exception_payload()
496 unsigned long payload = vcpu->arch.exception.payload; in kvm_deliver_exception_payload()
504 * "Certain debug exceptions may clear bit 0-3. The in kvm_deliver_exception_payload()
508 vcpu->arch.dr6 &= ~DR_TRAP_BITS; in kvm_deliver_exception_payload()
512 vcpu->arch.dr6 |= DR6_RTM; in kvm_deliver_exception_payload()
513 vcpu->arch.dr6 |= payload; in kvm_deliver_exception_payload()
522 vcpu->arch.dr6 ^= payload & DR6_RTM; in kvm_deliver_exception_payload()
530 vcpu->arch.dr6 &= ~BIT(12); in kvm_deliver_exception_payload()
533 vcpu->arch.cr2 = payload; in kvm_deliver_exception_payload()
537 vcpu->arch.exception.has_payload = false; in kvm_deliver_exception_payload()
538 vcpu->arch.exception.payload = 0; in kvm_deliver_exception_payload()
551 if (!vcpu->arch.exception.pending && !vcpu->arch.exception.injected) { in kvm_multiple_exception()
555 * On vmentry, vcpu->arch.exception.pending is only in kvm_multiple_exception()
562 WARN_ON_ONCE(vcpu->arch.exception.pending); in kvm_multiple_exception()
563 vcpu->arch.exception.injected = true; in kvm_multiple_exception()
573 vcpu->arch.exception.pending = true; in kvm_multiple_exception()
574 vcpu->arch.exception.injected = false; in kvm_multiple_exception()
576 vcpu->arch.exception.has_error_code = has_error; in kvm_multiple_exception()
577 vcpu->arch.exception.nr = nr; in kvm_multiple_exception()
578 vcpu->arch.exception.error_code = error_code; in kvm_multiple_exception()
579 vcpu->arch.exception.has_payload = has_payload; in kvm_multiple_exception()
580 vcpu->arch.exception.payload = payload; in kvm_multiple_exception()
587 prev_nr = vcpu->arch.exception.nr; in kvm_multiple_exception()
589 /* triple fault -> shutdown */ in kvm_multiple_exception()
598 * Generate double fault per SDM Table 5-5. Set in kvm_multiple_exception()
602 vcpu->arch.exception.pending = true; in kvm_multiple_exception()
603 vcpu->arch.exception.injected = false; in kvm_multiple_exception()
604 vcpu->arch.exception.has_error_code = true; in kvm_multiple_exception()
605 vcpu->arch.exception.nr = DF_VECTOR; in kvm_multiple_exception()
606 vcpu->arch.exception.error_code = 0; in kvm_multiple_exception()
607 vcpu->arch.exception.has_payload = false; in kvm_multiple_exception()
608 vcpu->arch.exception.payload = 0; in kvm_multiple_exception()
611 that instruction re-execution will regenerate lost in kvm_multiple_exception()
655 ++vcpu->stat.pf_guest; in kvm_inject_page_fault()
656 vcpu->arch.exception.nested_apf = in kvm_inject_page_fault()
657 is_guest_mode(vcpu) && fault->async_page_fault; in kvm_inject_page_fault()
658 if (vcpu->arch.exception.nested_apf) { in kvm_inject_page_fault()
659 vcpu->arch.apf.nested_apf_token = fault->address; in kvm_inject_page_fault()
660 kvm_queue_exception_e(vcpu, PF_VECTOR, fault->error_code); in kvm_inject_page_fault()
662 kvm_queue_exception_e_p(vcpu, PF_VECTOR, fault->error_code, in kvm_inject_page_fault()
663 fault->address); in kvm_inject_page_fault()
672 WARN_ON_ONCE(fault->vector != PF_VECTOR); in kvm_inject_emulated_page_fault()
674 fault_mmu = fault->nested_page_fault ? vcpu->arch.mmu : in kvm_inject_emulated_page_fault()
675 vcpu->arch.walk_mmu; in kvm_inject_emulated_page_fault()
681 if ((fault->error_code & PFERR_PRESENT_MASK) && in kvm_inject_emulated_page_fault()
682 !(fault->error_code & PFERR_RSVD_MASK)) in kvm_inject_emulated_page_fault()
683 kvm_mmu_invalidate_gva(vcpu, fault_mmu, fault->address, in kvm_inject_emulated_page_fault()
684 fault_mmu->root_hpa); in kvm_inject_emulated_page_fault()
686 fault_mmu->inject_page_fault(vcpu, fault); in kvm_inject_emulated_page_fault()
687 return fault->nested_page_fault; in kvm_inject_emulated_page_fault()
693 atomic_inc(&vcpu->arch.nmi_queued); in kvm_inject_nmi()
747 real_gfn = mmu->translate_gpa(vcpu, ngpa, access, &exception); in kvm_read_guest_page_mmu()
749 return -EFAULT; in kvm_read_guest_page_mmu()
760 return kvm_read_guest_page_mmu(vcpu, vcpu->arch.walk_mmu, gfn, in kvm_read_nested_guest_page()
776 unsigned offset = ((cr3 & (PAGE_SIZE-1)) >> 5) << 2; in load_pdptrs()
779 u64 pdpte[ARRAY_SIZE(mmu->pdptrs)]; in load_pdptrs()
797 memcpy(mmu->pdptrs, pdpte, sizeof(mmu->pdptrs)); in load_pdptrs()
808 u64 pdpte[ARRAY_SIZE(vcpu->arch.walk_mmu->pdptrs)]; in pdptrs_changed()
820 offset = (kvm_read_cr3(vcpu) & 0xffffffe0ul) & (PAGE_SIZE - 1); in pdptrs_changed()
826 return memcmp(pdpte, vcpu->arch.walk_mmu->pdptrs, sizeof(pdpte)) != 0; in pdptrs_changed()
852 if ((vcpu->arch.efer & EFER_LME) && !is_paging(vcpu) && in kvm_set_cr0()
863 if (!(vcpu->arch.efer & EFER_LME) && (cr0 & X86_CR0_PG) && in kvm_set_cr0()
865 !load_pdptrs(vcpu, vcpu->arch.walk_mmu, kvm_read_cr3(vcpu))) in kvm_set_cr0()
882 kvm_arch_has_noncoherent_dma(vcpu->kvm) && in kvm_set_cr0()
883 !kvm_check_has_quirk(vcpu->kvm, KVM_X86_QUIRK_CD_NW_CLEARED)) in kvm_set_cr0()
884 kvm_zap_gfn_range(vcpu->kvm, 0, ~0ULL); in kvm_set_cr0()
900 if (vcpu->arch.xcr0 != host_xcr0) in kvm_load_guest_xsave_state()
901 xsetbv(XCR_XFEATURE_ENABLED_MASK, vcpu->arch.xcr0); in kvm_load_guest_xsave_state()
903 if (vcpu->arch.xsaves_enabled && in kvm_load_guest_xsave_state()
904 vcpu->arch.ia32_xss != host_xss) in kvm_load_guest_xsave_state()
905 wrmsrl(MSR_IA32_XSS, vcpu->arch.ia32_xss); in kvm_load_guest_xsave_state()
910 (vcpu->arch.xcr0 & XFEATURE_MASK_PKRU)) && in kvm_load_guest_xsave_state()
911 vcpu->arch.pkru != vcpu->arch.host_pkru) in kvm_load_guest_xsave_state()
912 __write_pkru(vcpu->arch.pkru); in kvm_load_guest_xsave_state()
920 (vcpu->arch.xcr0 & XFEATURE_MASK_PKRU))) { in kvm_load_host_xsave_state()
921 vcpu->arch.pkru = rdpkru(); in kvm_load_host_xsave_state()
922 if (vcpu->arch.pkru != vcpu->arch.host_pkru) in kvm_load_host_xsave_state()
923 __write_pkru(vcpu->arch.host_pkru); in kvm_load_host_xsave_state()
928 if (vcpu->arch.xcr0 != host_xcr0) in kvm_load_host_xsave_state()
931 if (vcpu->arch.xsaves_enabled && in kvm_load_host_xsave_state()
932 vcpu->arch.ia32_xss != host_xss) in kvm_load_host_xsave_state()
942 u64 old_xcr0 = vcpu->arch.xcr0; in __kvm_set_xcr()
958 valid_bits = vcpu->arch.guest_supported_xcr0 | XFEATURE_MASK_FP; in __kvm_set_xcr()
972 vcpu->arch.xcr0 = xcr0; in __kvm_set_xcr()
993 return -EINVAL; in kvm_valid_cr4()
995 if (cr4 & vcpu->arch.cr4_guest_rsvd_bits) in kvm_valid_cr4()
996 return -EINVAL; in kvm_valid_cr4()
999 return -EINVAL; in kvm_valid_cr4()
1022 && !load_pdptrs(vcpu, vcpu->arch.walk_mmu, in kvm_set_cr4()
1069 (cr3 & vcpu->arch.cr3_lm_rsvd_bits)) in kvm_set_cr3()
1072 !load_pdptrs(vcpu, vcpu->arch.walk_mmu, cr3)) in kvm_set_cr3()
1076 vcpu->arch.cr3 = cr3; in kvm_set_cr3()
1090 vcpu->arch.cr8 = cr8; in kvm_set_cr8()
1100 return vcpu->arch.cr8; in kvm_get_cr8()
1108 if (!(vcpu->guest_debug & KVM_GUESTDBG_USE_HW_BP)) { in kvm_update_dr0123()
1110 vcpu->arch.eff_db[i] = vcpu->arch.db[i]; in kvm_update_dr0123()
1111 vcpu->arch.switch_db_regs |= KVM_DEBUGREG_RELOAD; in kvm_update_dr0123()
1119 if (vcpu->guest_debug & KVM_GUESTDBG_USE_HW_BP) in kvm_update_dr7()
1120 dr7 = vcpu->arch.guest_debug_dr7; in kvm_update_dr7()
1122 dr7 = vcpu->arch.dr7; in kvm_update_dr7()
1124 vcpu->arch.switch_db_regs &= ~KVM_DEBUGREG_BP_ENABLED; in kvm_update_dr7()
1126 vcpu->arch.switch_db_regs |= KVM_DEBUGREG_BP_ENABLED; in kvm_update_dr7()
1141 size_t size = ARRAY_SIZE(vcpu->arch.db); in __kvm_set_dr()
1145 vcpu->arch.db[array_index_nospec(dr, size)] = val; in __kvm_set_dr()
1146 if (!(vcpu->guest_debug & KVM_GUESTDBG_USE_HW_BP)) in __kvm_set_dr()
1147 vcpu->arch.eff_db[dr] = val; in __kvm_set_dr()
1152 return -1; /* #GP */ in __kvm_set_dr()
1153 vcpu->arch.dr6 = (val & DR6_VOLATILE) | kvm_dr6_fixed(vcpu); in __kvm_set_dr()
1158 return -1; /* #GP */ in __kvm_set_dr()
1159 vcpu->arch.dr7 = (val & DR7_VOLATILE) | DR7_FIXED_1; in __kvm_set_dr()
1179 size_t size = ARRAY_SIZE(vcpu->arch.db); in kvm_get_dr()
1183 *val = vcpu->arch.db[array_index_nospec(dr, size)]; in kvm_get_dr()
1187 *val = vcpu->arch.dr6; in kvm_get_dr()
1191 *val = vcpu->arch.dr7; in kvm_get_dr()
1221 * kvm-specific. Those are put in emulated_msrs_all; filtering of emulated_msrs
1344 * List of msr numbers which are used to expose MSR-based features that
1379 * 10 - MISC_PACKAGE_CTRLS
1380 * 11 - ENERGY_FILTERING_CTL
1381 * 12 - DOITM
1382 * 18 - FB_CLEAR_CTRL
1383 * 21 - XAPIC_DISABLE_STATUS
1384 * 23 - OVERCLOCKING_STATUS
1454 switch (msr->index) { in kvm_get_msr_feature()
1456 msr->data = kvm_get_arch_capabilities(); in kvm_get_msr_feature()
1459 rdmsrl_safe(msr->index, &msr->data); in kvm_get_msr_feature()
1519 u64 old_efer = vcpu->arch.efer; in set_efer()
1520 u64 efer = msr_info->data; in set_efer()
1526 if (!msr_info->host_initiated) { in set_efer()
1531 (vcpu->arch.efer & EFER_LME) != (efer & EFER_LME)) in set_efer()
1536 efer |= vcpu->arch.efer & EFER_LMA; in set_efer()
1561 struct kvm *kvm = vcpu->kvm; in kvm_msr_allowed()
1570 idx = srcu_read_lock(&kvm->srcu); in kvm_msr_allowed()
1572 msr_filter = srcu_dereference(kvm->arch.msr_filter, &kvm->srcu); in kvm_msr_allowed()
1578 allowed = msr_filter->default_allow; in kvm_msr_allowed()
1579 ranges = msr_filter->ranges; in kvm_msr_allowed()
1581 for (i = 0; i < msr_filter->count; i++) { in kvm_msr_allowed()
1582 u32 start = ranges[i].base; in kvm_msr_allowed()
1588 allowed = !!test_bit(index - start, bitmap); in kvm_msr_allowed()
1592 /* Note, VM-Exits that go down the "slow" path are accounted below. */ in kvm_msr_allowed()
1593 ++vcpu->stat.exits; in kvm_msr_allowed()
1597 srcu_read_unlock(&kvm->srcu, idx); in kvm_msr_allowed()
1606 * Returns 0 on success, non-0 otherwise.
1630 * non-canonical address is written on Intel but not on in __kvm_set_msr()
1631 * AMD (which ignores the top 32-bits, because it does in __kvm_set_msr()
1632 * not implement 64-bit SYSENTER). in __kvm_set_msr()
1634 * 64-bit code should hence be able to write a non-canonical in __kvm_set_msr()
1636 * vmentry does not fail on Intel after writing a non-canonical in __kvm_set_msr()
1638 * invokes 64-bit SYSENTER. in __kvm_set_msr()
1665 * Returns 0 on success, non-0 otherwise.
1715 if (vcpu->run->msr.error) { in complete_emulated_msr()
1719 kvm_rax_write(vcpu, (u32)vcpu->run->msr.data); in complete_emulated_msr()
1720 kvm_rdx_write(vcpu, vcpu->run->msr.data >> 32); in complete_emulated_msr()
1756 if (!(vcpu->kvm->arch.user_space_msr_mask & msr_reason)) in kvm_msr_user_space()
1759 vcpu->run->exit_reason = exit_reason; in kvm_msr_user_space()
1760 vcpu->run->msr.error = 0; in kvm_msr_user_space()
1761 memset(vcpu->run->msr.pad, 0, sizeof(vcpu->run->msr.pad)); in kvm_msr_user_space()
1762 vcpu->run->msr.reason = msr_reason; in kvm_msr_user_space()
1763 vcpu->run->msr.index = index; in kvm_msr_user_space()
1764 vcpu->run->msr.data = data; in kvm_msr_user_space()
1765 vcpu->arch.complete_userspace_io = completion; in kvm_msr_user_space()
1805 kvm_rax_write(vcpu, data & -1u); in kvm_emulate_rdmsr()
1806 kvm_rdx_write(vcpu, (data >> 32) & -1u); in kvm_emulate_rdmsr()
1842 return vcpu->mode == EXITING_GUEST_MODE || kvm_request_pending(vcpu) || in kvm_vcpu_exit_request()
1849 * i.e. the sending of IPI, sending IPI early in the VM-Exit flow reduces
1856 if (!lapic_in_kernel(vcpu) || !apic_x2apic_mode(vcpu->arch.apic)) in handle_fastpath_set_x2apic_icr_irqoff()
1865 kvm_apic_send_ipi(vcpu->arch.apic, (u32)data, (u32)(data >> 32)); in handle_fastpath_set_x2apic_icr_irqoff()
1866 kvm_lapic_set_reg(vcpu->arch.apic, APIC_ICR2, (u32)(data >> 32)); in handle_fastpath_set_x2apic_icr_irqoff()
1867 kvm_lapic_set_reg(vcpu->arch.apic, APIC_ICR, (u32)data); in handle_fastpath_set_x2apic_icr_irqoff()
1956 write_seqcount_begin(&vdata->seq); in update_pvclock_gtod()
1959 vdata->clock.vclock_mode = tk->tkr_mono.clock->vdso_clock_mode; in update_pvclock_gtod()
1960 vdata->clock.cycle_last = tk->tkr_mono.cycle_last; in update_pvclock_gtod()
1961 vdata->clock.mask = tk->tkr_mono.mask; in update_pvclock_gtod()
1962 vdata->clock.mult = tk->tkr_mono.mult; in update_pvclock_gtod()
1963 vdata->clock.shift = tk->tkr_mono.shift; in update_pvclock_gtod()
1964 vdata->clock.base_cycles = tk->tkr_mono.xtime_nsec; in update_pvclock_gtod()
1965 vdata->clock.offset = tk->tkr_mono.base; in update_pvclock_gtod()
1967 vdata->raw_clock.vclock_mode = tk->tkr_raw.clock->vdso_clock_mode; in update_pvclock_gtod()
1968 vdata->raw_clock.cycle_last = tk->tkr_raw.cycle_last; in update_pvclock_gtod()
1969 vdata->raw_clock.mask = tk->tkr_raw.mask; in update_pvclock_gtod()
1970 vdata->raw_clock.mult = tk->tkr_raw.mult; in update_pvclock_gtod()
1971 vdata->raw_clock.shift = tk->tkr_raw.shift; in update_pvclock_gtod()
1972 vdata->raw_clock.base_cycles = tk->tkr_raw.xtime_nsec; in update_pvclock_gtod()
1973 vdata->raw_clock.offset = tk->tkr_raw.base; in update_pvclock_gtod()
1975 vdata->wall_time_sec = tk->xtime_sec; in update_pvclock_gtod()
1977 vdata->offs_boot = tk->offs_boot; in update_pvclock_gtod()
1979 write_seqcount_end(&vdata->seq); in update_pvclock_gtod()
2002 kvm->arch.wall_clock = wall_clock; in kvm_write_wall_clock()
2024 wall_nsec = ktime_get_real_ns() - get_kvmclock_ns(kvm); in kvm_write_wall_clock()
2039 struct kvm_arch *ka = &vcpu->kvm->arch; in kvm_write_system_time()
2041 if (vcpu->vcpu_id == 0 && !host_initiated) { in kvm_write_system_time()
2042 if (ka->boot_vcpu_runs_old_kvmclock != old_msr) in kvm_write_system_time()
2045 ka->boot_vcpu_runs_old_kvmclock = old_msr; in kvm_write_system_time()
2048 vcpu->arch.time = system_time; in kvm_write_system_time()
2052 vcpu->arch.pv_time_enabled = false; in kvm_write_system_time()
2056 if (!kvm_gfn_to_hva_cache_init(vcpu->kvm, in kvm_write_system_time()
2057 &vcpu->arch.pv_time, system_time & ~1ULL, in kvm_write_system_time()
2059 vcpu->arch.pv_time_enabled = true; in kvm_write_system_time()
2082 shift--; in kvm_get_time_scale()
2118 vcpu->arch.tsc_scaling_ratio = kvm_default_tsc_scaling_ratio; in set_tsc_khz()
2125 vcpu->arch.tsc_catchup = 1; in set_tsc_khz()
2126 vcpu->arch.tsc_always_catchup = 1; in set_tsc_khz()
2130 return -1; in set_tsc_khz()
2134 /* TSC scaling required - calculate ratio */ in set_tsc_khz()
2139 pr_warn_ratelimited("Invalid TSC scaling ratio - virtual-tsc-khz=%u\n", in set_tsc_khz()
2141 return -1; in set_tsc_khz()
2144 vcpu->arch.tsc_scaling_ratio = ratio; in set_tsc_khz()
2156 vcpu->arch.tsc_scaling_ratio = kvm_default_tsc_scaling_ratio; in kvm_set_tsc_khz()
2157 return -1; in kvm_set_tsc_khz()
2162 &vcpu->arch.virtual_tsc_shift, in kvm_set_tsc_khz()
2163 &vcpu->arch.virtual_tsc_mult); in kvm_set_tsc_khz()
2164 vcpu->arch.virtual_tsc_khz = user_tsc_khz; in kvm_set_tsc_khz()
2172 thresh_lo = adjust_tsc_khz(tsc_khz, -tsc_tolerance_ppm); in kvm_set_tsc_khz()
2183 u64 tsc = pvclock_scale_delta(kernel_ns-vcpu->arch.this_tsc_nsec, in compute_guest_tsc()
2184 vcpu->arch.virtual_tsc_mult, in compute_guest_tsc()
2185 vcpu->arch.virtual_tsc_shift); in compute_guest_tsc()
2186 tsc += vcpu->arch.this_tsc_write; in compute_guest_tsc()
2199 struct kvm_arch *ka = &vcpu->kvm->arch; in kvm_track_tsc_matching()
2202 vcpus_matched = (ka->nr_vcpus_matched_tsc + 1 == in kvm_track_tsc_matching()
2203 atomic_read(&vcpu->kvm->online_vcpus)); in kvm_track_tsc_matching()
2213 if (ka->use_master_clock || in kvm_track_tsc_matching()
2214 (gtod_is_based_on_tsc(gtod->clock.vclock_mode) && vcpus_matched)) in kvm_track_tsc_matching()
2217 trace_kvm_track_tsc(vcpu->vcpu_id, ka->nr_vcpus_matched_tsc, in kvm_track_tsc_matching()
2218 atomic_read(&vcpu->kvm->online_vcpus), in kvm_track_tsc_matching()
2219 ka->use_master_clock, gtod->clock.vclock_mode); in kvm_track_tsc_matching()
2226 * The most significant 64-N bits (mult) of ratio represent the
2229 * point number (mult + frac * 2^(-N)).
2241 u64 ratio = vcpu->arch.tsc_scaling_ratio; in kvm_scale_tsc()
2256 return target_tsc - tsc; in kvm_compute_tsc_offset()
2261 return vcpu->arch.l1_tsc_offset + kvm_scale_tsc(vcpu, host_tsc); in kvm_read_l1_tsc()
2267 vcpu->arch.l1_tsc_offset = offset; in kvm_vcpu_write_tsc_offset()
2268 vcpu->arch.tsc_offset = kvm_x86_ops.write_l1_tsc_offset(vcpu, offset); in kvm_vcpu_write_tsc_offset()
2275 * TSC is marked unstable when we're running on Hyper-V, in kvm_check_tsc_unstable()
2286 struct kvm *kvm = vcpu->kvm; in kvm_synchronize_tsc()
2293 raw_spin_lock_irqsave(&kvm->arch.tsc_write_lock, flags); in kvm_synchronize_tsc()
2296 elapsed = ns - kvm->arch.last_tsc_nsec; in kvm_synchronize_tsc()
2298 if (vcpu->arch.virtual_tsc_khz) { in kvm_synchronize_tsc()
2301 * detection of vcpu initialization -- need to sync in kvm_synchronize_tsc()
2307 u64 tsc_exp = kvm->arch.last_tsc_write + in kvm_synchronize_tsc()
2309 u64 tsc_hz = vcpu->arch.virtual_tsc_khz * 1000LL; in kvm_synchronize_tsc()
2327 vcpu->arch.virtual_tsc_khz == kvm->arch.last_tsc_khz) { in kvm_synchronize_tsc()
2329 offset = kvm->arch.cur_tsc_offset; in kvm_synchronize_tsc()
2336 already_matched = (vcpu->arch.this_tsc_generation == kvm->arch.cur_tsc_generation); in kvm_synchronize_tsc()
2345 * These values are tracked in kvm->arch.cur_xxx variables. in kvm_synchronize_tsc()
2347 kvm->arch.cur_tsc_generation++; in kvm_synchronize_tsc()
2348 kvm->arch.cur_tsc_nsec = ns; in kvm_synchronize_tsc()
2349 kvm->arch.cur_tsc_write = data; in kvm_synchronize_tsc()
2350 kvm->arch.cur_tsc_offset = offset; in kvm_synchronize_tsc()
2358 kvm->arch.last_tsc_nsec = ns; in kvm_synchronize_tsc()
2359 kvm->arch.last_tsc_write = data; in kvm_synchronize_tsc()
2360 kvm->arch.last_tsc_khz = vcpu->arch.virtual_tsc_khz; in kvm_synchronize_tsc()
2362 vcpu->arch.last_guest_tsc = data; in kvm_synchronize_tsc()
2365 vcpu->arch.this_tsc_generation = kvm->arch.cur_tsc_generation; in kvm_synchronize_tsc()
2366 vcpu->arch.this_tsc_nsec = kvm->arch.cur_tsc_nsec; in kvm_synchronize_tsc()
2367 vcpu->arch.this_tsc_write = kvm->arch.cur_tsc_write; in kvm_synchronize_tsc()
2370 raw_spin_unlock_irqrestore(&kvm->arch.tsc_write_lock, flags); in kvm_synchronize_tsc()
2372 spin_lock(&kvm->arch.pvclock_gtod_sync_lock); in kvm_synchronize_tsc()
2374 kvm->arch.nr_vcpus_matched_tsc = 0; in kvm_synchronize_tsc()
2376 kvm->arch.nr_vcpus_matched_tsc++; in kvm_synchronize_tsc()
2380 spin_unlock(&kvm->arch.pvclock_gtod_sync_lock); in kvm_synchronize_tsc()
2386 u64 tsc_offset = vcpu->arch.l1_tsc_offset; in adjust_tsc_offset_guest()
2392 if (vcpu->arch.tsc_scaling_ratio != kvm_default_tsc_scaling_ratio) in adjust_tsc_offset_host()
2426 switch (clock->vclock_mode) { in vgettsc()
2433 v = (tsc_pg_val - clock->cycle_last) & in vgettsc()
2434 clock->mask; in vgettsc()
2443 v = (*tsc_timestamp - clock->cycle_last) & in vgettsc()
2444 clock->mask; in vgettsc()
2453 return v * clock->mult; in vgettsc()
2464 seq = read_seqcount_begin(>od->seq); in do_monotonic_raw()
2465 ns = gtod->raw_clock.base_cycles; in do_monotonic_raw()
2466 ns += vgettsc(>od->raw_clock, tsc_timestamp, &mode); in do_monotonic_raw()
2467 ns >>= gtod->raw_clock.shift; in do_monotonic_raw()
2468 ns += ktime_to_ns(ktime_add(gtod->raw_clock.offset, gtod->offs_boot)); in do_monotonic_raw()
2469 } while (unlikely(read_seqcount_retry(>od->seq, seq))); in do_monotonic_raw()
2483 seq = read_seqcount_begin(>od->seq); in do_realtime()
2484 ts->tv_sec = gtod->wall_time_sec; in do_realtime()
2485 ns = gtod->clock.base_cycles; in do_realtime()
2486 ns += vgettsc(>od->clock, tsc_timestamp, &mode); in do_realtime()
2487 ns >>= gtod->clock.shift; in do_realtime()
2488 } while (unlikely(read_seqcount_retry(>od->seq, seq))); in do_realtime()
2490 ts->tv_sec += __iter_div_u64_rem(ns, NSEC_PER_SEC, &ns); in do_realtime()
2491 ts->tv_nsec = ns; in do_realtime()
2535 * 4. ret0 = timespec0 + (rdtsc - tsc0) |
2536 * 5. | ret1 = timespec1 + (rdtsc - tsc1)
2537 * | ret1 = timespec0 + N + (rdtsc - (tsc0 + M))
2541 * - ret0 < ret1
2542 * - timespec0 + (rdtsc - tsc0) < timespec0 + N + (rdtsc - (tsc0 + M))
2544 * - 0 < N - M => M < N
2563 struct kvm_arch *ka = &kvm->arch; in pvclock_update_vm_gtod_copy()
2567 vcpus_matched = (ka->nr_vcpus_matched_tsc + 1 == in pvclock_update_vm_gtod_copy()
2568 atomic_read(&kvm->online_vcpus)); in pvclock_update_vm_gtod_copy()
2575 &ka->master_kernel_ns, in pvclock_update_vm_gtod_copy()
2576 &ka->master_cycle_now); in pvclock_update_vm_gtod_copy()
2578 ka->use_master_clock = host_tsc_clocksource && vcpus_matched in pvclock_update_vm_gtod_copy()
2579 && !ka->backwards_tsc_observed in pvclock_update_vm_gtod_copy()
2580 && !ka->boot_vcpu_runs_old_kvmclock; in pvclock_update_vm_gtod_copy()
2582 if (ka->use_master_clock) in pvclock_update_vm_gtod_copy()
2586 trace_kvm_update_master_clock(ka->use_master_clock, vclock_mode, in pvclock_update_vm_gtod_copy()
2601 struct kvm_arch *ka = &kvm->arch; in kvm_gen_update_masterclock()
2603 spin_lock(&ka->pvclock_gtod_sync_lock); in kvm_gen_update_masterclock()
2615 spin_unlock(&ka->pvclock_gtod_sync_lock); in kvm_gen_update_masterclock()
2621 struct kvm_arch *ka = &kvm->arch; in get_kvmclock_ns()
2625 spin_lock(&ka->pvclock_gtod_sync_lock); in get_kvmclock_ns()
2626 if (!ka->use_master_clock) { in get_kvmclock_ns()
2627 spin_unlock(&ka->pvclock_gtod_sync_lock); in get_kvmclock_ns()
2628 return get_kvmclock_base_ns() + ka->kvmclock_offset; in get_kvmclock_ns()
2631 hv_clock.tsc_timestamp = ka->master_cycle_now; in get_kvmclock_ns()
2632 hv_clock.system_time = ka->master_kernel_ns + ka->kvmclock_offset; in get_kvmclock_ns()
2633 spin_unlock(&ka->pvclock_gtod_sync_lock); in get_kvmclock_ns()
2644 ret = get_kvmclock_base_ns() + ka->kvmclock_offset; in get_kvmclock_ns()
2653 struct kvm_vcpu_arch *vcpu = &v->arch; in kvm_setup_pvclock_page()
2656 if (unlikely(kvm_read_guest_cached(v->kvm, &vcpu->pv_time, in kvm_setup_pvclock_page()
2671 * and third write. The vcpu->pv_time cache is still valid, because the in kvm_setup_pvclock_page()
2679 vcpu->hv_clock.version = guest_hv_clock.version + 1; in kvm_setup_pvclock_page()
2680 kvm_write_guest_cached(v->kvm, &vcpu->pv_time, in kvm_setup_pvclock_page()
2681 &vcpu->hv_clock, in kvm_setup_pvclock_page()
2682 sizeof(vcpu->hv_clock.version)); in kvm_setup_pvclock_page()
2687 vcpu->hv_clock.flags |= (guest_hv_clock.flags & PVCLOCK_GUEST_STOPPED); in kvm_setup_pvclock_page()
2689 if (vcpu->pvclock_set_guest_stopped_request) { in kvm_setup_pvclock_page()
2690 vcpu->hv_clock.flags |= PVCLOCK_GUEST_STOPPED; in kvm_setup_pvclock_page()
2691 vcpu->pvclock_set_guest_stopped_request = false; in kvm_setup_pvclock_page()
2694 trace_kvm_pvclock_update(v->vcpu_id, &vcpu->hv_clock); in kvm_setup_pvclock_page()
2696 kvm_write_guest_cached(v->kvm, &vcpu->pv_time, in kvm_setup_pvclock_page()
2697 &vcpu->hv_clock, in kvm_setup_pvclock_page()
2698 sizeof(vcpu->hv_clock)); in kvm_setup_pvclock_page()
2702 vcpu->hv_clock.version++; in kvm_setup_pvclock_page()
2703 kvm_write_guest_cached(v->kvm, &vcpu->pv_time, in kvm_setup_pvclock_page()
2704 &vcpu->hv_clock, in kvm_setup_pvclock_page()
2705 sizeof(vcpu->hv_clock.version)); in kvm_setup_pvclock_page()
2711 struct kvm_vcpu_arch *vcpu = &v->arch; in kvm_guest_time_update()
2712 struct kvm_arch *ka = &v->kvm->arch; in kvm_guest_time_update()
2725 spin_lock(&ka->pvclock_gtod_sync_lock); in kvm_guest_time_update()
2726 use_master_clock = ka->use_master_clock; in kvm_guest_time_update()
2728 host_tsc = ka->master_cycle_now; in kvm_guest_time_update()
2729 kernel_ns = ka->master_kernel_ns; in kvm_guest_time_update()
2731 spin_unlock(&ka->pvclock_gtod_sync_lock); in kvm_guest_time_update()
2752 * 2) Broken TSC compensation resets the base at each VCPU in kvm_guest_time_update()
2758 if (vcpu->tsc_catchup) { in kvm_guest_time_update()
2761 adjust_tsc_offset_guest(v, tsc - tsc_timestamp); in kvm_guest_time_update()
2773 if (unlikely(vcpu->hw_tsc_khz != tgt_tsc_khz)) { in kvm_guest_time_update()
2775 &vcpu->hv_clock.tsc_shift, in kvm_guest_time_update()
2776 &vcpu->hv_clock.tsc_to_system_mul); in kvm_guest_time_update()
2777 vcpu->hw_tsc_khz = tgt_tsc_khz; in kvm_guest_time_update()
2780 vcpu->hv_clock.tsc_timestamp = tsc_timestamp; in kvm_guest_time_update()
2781 vcpu->hv_clock.system_time = kernel_ns + v->kvm->arch.kvmclock_offset; in kvm_guest_time_update()
2782 vcpu->last_guest_tsc = tsc_timestamp; in kvm_guest_time_update()
2789 vcpu->hv_clock.flags = pvclock_flags; in kvm_guest_time_update()
2791 if (vcpu->pv_time_enabled) in kvm_guest_time_update()
2793 if (v == kvm_get_vcpu(v->kvm, 0)) in kvm_guest_time_update()
2794 kvm_hv_setup_tsc_page(v->kvm, &vcpu->hv_clock); in kvm_guest_time_update()
2800 * vcpu->cpu migration, should not allow system_timestamp from
2806 * We need to rate-limit these requests though, as they can
2809 * by the delay we use to rate-limit the updates.
2831 struct kvm *kvm = v->kvm; in kvm_gen_kvmclock_update()
2834 schedule_delayed_work(&kvm->arch.kvmclock_update_work, in kvm_gen_kvmclock_update()
2850 schedule_delayed_work(&kvm->arch.kvmclock_update_work, 0); in kvmclock_sync_fn()
2851 schedule_delayed_work(&kvm->arch.kvmclock_sync_work, in kvmclock_sync_fn()
2862 return !!(vcpu->arch.msr_hwcr & BIT_ULL(18)); in can_set_mci_status()
2869 u64 mcg_cap = vcpu->arch.mcg_cap; in set_msr_mce()
2871 u32 msr = msr_info->index; in set_msr_mce()
2872 u64 data = msr_info->data; in set_msr_mce()
2876 vcpu->arch.mcg_status = data; in set_msr_mce()
2880 (data || !msr_info->host_initiated)) in set_msr_mce()
2884 vcpu->arch.mcg_ctl = data; in set_msr_mce()
2890 msr - MSR_IA32_MC0_CTL, in set_msr_mce()
2891 MSR_IA32_MCx_CTL(bank_num) - MSR_IA32_MC0_CTL); in set_msr_mce()
2899 * correctable, single-bit ECC data errors. in set_msr_mce()
2906 if (!msr_info->host_initiated && in set_msr_mce()
2912 vcpu->arch.mce_banks[offset] = data; in set_msr_mce()
2922 struct kvm *kvm = vcpu->kvm; in xen_hvm_config()
2924 u8 *blob_addr = lm ? (u8 *)(long)kvm->arch.xen_hvm_config.blob_addr_64 in xen_hvm_config()
2925 : (u8 *)(long)kvm->arch.xen_hvm_config.blob_addr_32; in xen_hvm_config()
2926 u8 blob_size = lm ? kvm->arch.xen_hvm_config.blob_size_64 in xen_hvm_config()
2927 : kvm->arch.xen_hvm_config.blob_size_32; in xen_hvm_config()
2950 return (vcpu->arch.apf.msr_en_val & mask) == mask; in kvm_pv_async_pf_enabled()
2972 vcpu->arch.apf.msr_en_val = data; in kvm_pv_enable_async_pf()
2980 if (kvm_gfn_to_hva_cache_init(vcpu->kvm, &vcpu->arch.apf.data, gpa, in kvm_pv_enable_async_pf()
2984 vcpu->arch.apf.send_user_only = !(data & KVM_ASYNC_PF_SEND_ALWAYS); in kvm_pv_enable_async_pf()
2985 vcpu->arch.apf.delivery_as_pf_vmexit = data & KVM_ASYNC_PF_DELIVERY_AS_PF_VMEXIT; in kvm_pv_enable_async_pf()
2994 /* Bits 8-63 are reserved */ in kvm_pv_enable_async_pf_int()
3001 vcpu->arch.apf.msr_int_val = data; in kvm_pv_enable_async_pf_int()
3003 vcpu->arch.apf.vec = data & KVM_ASYNC_PF_VEC_MASK; in kvm_pv_enable_async_pf_int()
3010 vcpu->arch.pv_time_enabled = false; in kvmclock_reset()
3011 vcpu->arch.time = 0; in kvmclock_reset()
3016 ++vcpu->stat.tlb_flush; in kvm_vcpu_flush_tlb_all()
3022 ++vcpu->stat.tlb_flush; in kvm_vcpu_flush_tlb_guest()
3028 struct gfn_to_hva_cache *ghc = &vcpu->arch.st.cache; in record_steal_time()
3031 gpa_t gpa = vcpu->arch.st.msr_val & KVM_STEAL_VALID_BITS; in record_steal_time()
3035 if (!(vcpu->arch.st.msr_val & KVM_MSR_ENABLED)) in record_steal_time()
3038 if (WARN_ON_ONCE(current->mm != vcpu->kvm->mm)) in record_steal_time()
3041 slots = kvm_memslots(vcpu->kvm); in record_steal_time()
3043 if (unlikely(slots->generation != ghc->generation || in record_steal_time()
3044 gpa != ghc->gpa || in record_steal_time()
3045 kvm_is_error_hva(ghc->hva) || !ghc->memslot)) { in record_steal_time()
3047 BUILD_BUG_ON((sizeof(*st) - 1) & KVM_STEAL_VALID_BITS); in record_steal_time()
3049 if (kvm_gfn_to_hva_cache_init(vcpu->kvm, ghc, gpa, sizeof(*st)) || in record_steal_time()
3050 kvm_is_error_hva(ghc->hva) || !ghc->memslot) in record_steal_time()
3054 st = (struct kvm_steal_time __user *)ghc->hva; in record_steal_time()
3061 int err = -EFAULT; in record_steal_time()
3072 "+m" (st->preempted)); in record_steal_time()
3078 vcpu->arch.st.preempted = 0; in record_steal_time()
3080 trace_kvm_pv_tlb_flush(vcpu->vcpu_id, in record_steal_time()
3091 unsafe_put_user(0, &st->preempted, out); in record_steal_time()
3092 vcpu->arch.st.preempted = 0; in record_steal_time()
3095 unsafe_get_user(version, &st->version, out); in record_steal_time()
3100 unsafe_put_user(version, &st->version, out); in record_steal_time()
3104 unsafe_get_user(steal, &st->steal, out); in record_steal_time()
3105 steal += current->sched_info.run_delay - in record_steal_time()
3106 vcpu->arch.st.last_steal; in record_steal_time()
3107 vcpu->arch.st.last_steal = current->sched_info.run_delay; in record_steal_time()
3108 unsafe_put_user(steal, &st->steal, out); in record_steal_time()
3111 unsafe_put_user(version, &st->version, out); in record_steal_time()
3116 mark_page_dirty_in_slot(ghc->memslot, gpa_to_gfn(ghc->gpa)); in record_steal_time()
3122 u32 msr = msr_info->index; in kvm_set_msr_common()
3123 u64 data = msr_info->data; in kvm_set_msr_common()
3136 if (msr_info->host_initiated) in kvm_set_msr_common()
3137 vcpu->arch.microcode_version = data; in kvm_set_msr_common()
3140 if (!msr_info->host_initiated) in kvm_set_msr_common()
3142 vcpu->arch.arch_capabilities = data; in kvm_set_msr_common()
3147 if (!msr_info->host_initiated) in kvm_set_msr_common()
3154 vcpu->arch.perf_capabilities = data; in kvm_set_msr_common()
3167 vcpu->arch.msr_hwcr = data; in kvm_set_msr_common()
3183 /* We support the non-activated case already */ in kvm_set_msr_common()
3186 /* Values other than LBR and BTF are vendor-specific, in kvm_set_msr_common()
3204 if (!msr_info->host_initiated) { in kvm_set_msr_common()
3205 s64 adj = data - vcpu->arch.ia32_tsc_adjust_msr; in kvm_set_msr_common()
3212 vcpu->arch.ia32_tsc_adjust_msr = data; in kvm_set_msr_common()
3216 if (!kvm_check_has_quirk(vcpu->kvm, KVM_X86_QUIRK_MISC_ENABLE_NO_MWAIT) && in kvm_set_msr_common()
3217 ((vcpu->arch.ia32_misc_enable_msr ^ data) & MSR_IA32_MISC_ENABLE_MWAIT)) { in kvm_set_msr_common()
3220 vcpu->arch.ia32_misc_enable_msr = data; in kvm_set_msr_common()
3223 vcpu->arch.ia32_misc_enable_msr = data; in kvm_set_msr_common()
3227 if (!msr_info->host_initiated) in kvm_set_msr_common()
3229 vcpu->arch.smbase = data; in kvm_set_msr_common()
3232 vcpu->arch.msr_ia32_power_ctl = data; in kvm_set_msr_common()
3235 if (msr_info->host_initiated) { in kvm_set_msr_common()
3238 u64 adj = kvm_compute_tsc_offset(vcpu, data) - vcpu->arch.l1_tsc_offset; in kvm_set_msr_common()
3240 vcpu->arch.ia32_tsc_adjust_msr += adj; in kvm_set_msr_common()
3244 if (!msr_info->host_initiated && in kvm_set_msr_common()
3254 vcpu->arch.ia32_xss = data; in kvm_set_msr_common()
3258 if (!msr_info->host_initiated) in kvm_set_msr_common()
3260 vcpu->arch.smi_count = data; in kvm_set_msr_common()
3266 kvm_write_wall_clock(vcpu->kvm, data); in kvm_set_msr_common()
3272 kvm_write_wall_clock(vcpu->kvm, data); in kvm_set_msr_common()
3278 kvm_write_system_time(vcpu, data, false, msr_info->host_initiated); in kvm_set_msr_common()
3284 kvm_write_system_time(vcpu, data, true, msr_info->host_initiated); in kvm_set_msr_common()
3304 vcpu->arch.apf.pageready_pending = false; in kvm_set_msr_common()
3318 vcpu->arch.st.msr_val = data; in kvm_set_msr_common()
3339 if (data & (-1ULL << 1)) in kvm_set_msr_common()
3342 vcpu->arch.msr_kvm_poll_control = data; in kvm_set_msr_common()
3347 case MSR_IA32_MC0_CTL ... MSR_IA32_MCx_CTL(KVM_MAX_MCE_BANKS) - 1: in kvm_set_msr_common()
3367 * all pre-dating SVM, but a recommended workaround from in kvm_set_msr_common()
3383 msr_info->host_initiated); in kvm_set_msr_common()
3385 /* Drop writes to this legacy MSR -- see rdmsr in kvm_set_msr_common()
3395 vcpu->arch.osvw.length = data; in kvm_set_msr_common()
3400 vcpu->arch.osvw.status = data; in kvm_set_msr_common()
3403 if (!msr_info->host_initiated || in kvm_set_msr_common()
3407 vcpu->arch.msr_platform_info = data; in kvm_set_msr_common()
3414 vcpu->arch.msr_misc_features_enables = data; in kvm_set_msr_common()
3417 if (msr && (msr == vcpu->kvm->arch.xen_hvm_config.msr)) in kvm_set_msr_common()
3430 u64 mcg_cap = vcpu->arch.mcg_cap; in get_msr_mce()
3439 data = vcpu->arch.mcg_cap; in get_msr_mce()
3444 data = vcpu->arch.mcg_ctl; in get_msr_mce()
3447 data = vcpu->arch.mcg_status; in get_msr_mce()
3453 msr - MSR_IA32_MC0_CTL, in get_msr_mce()
3454 MSR_IA32_MCx_CTL(bank_num) - MSR_IA32_MC0_CTL); in get_msr_mce()
3456 data = vcpu->arch.mce_banks[offset]; in get_msr_mce()
3467 switch (msr_info->index) { in kvm_get_msr_common()
3490 * so for existing CPU-specific MSRs. in kvm_get_msr_common()
3497 msr_info->data = 0; in kvm_get_msr_common()
3504 if (kvm_pmu_is_valid_msr(vcpu, msr_info->index)) in kvm_get_msr_common()
3506 msr_info->data = 0; in kvm_get_msr_common()
3509 msr_info->data = vcpu->arch.microcode_version; in kvm_get_msr_common()
3512 if (!msr_info->host_initiated && in kvm_get_msr_common()
3515 msr_info->data = vcpu->arch.arch_capabilities; in kvm_get_msr_common()
3518 if (!msr_info->host_initiated && in kvm_get_msr_common()
3521 msr_info->data = vcpu->arch.perf_capabilities; in kvm_get_msr_common()
3524 msr_info->data = vcpu->arch.msr_ia32_power_ctl; in kvm_get_msr_common()
3533 * return L1's TSC value to ensure backwards-compatible in kvm_get_msr_common()
3536 u64 tsc_offset = msr_info->host_initiated ? vcpu->arch.l1_tsc_offset : in kvm_get_msr_common()
3537 vcpu->arch.tsc_offset; in kvm_get_msr_common()
3539 msr_info->data = kvm_scale_tsc(vcpu, rdtsc()) + tsc_offset; in kvm_get_msr_common()
3544 return kvm_mtrr_get_msr(vcpu, msr_info->index, &msr_info->data); in kvm_get_msr_common()
3546 msr_info->data = 3; in kvm_get_msr_common()
3560 msr_info->data = 1 << 24; in kvm_get_msr_common()
3563 msr_info->data = kvm_get_apic_base(vcpu); in kvm_get_msr_common()
3566 return kvm_x2apic_msr_read(vcpu, msr_info->index, &msr_info->data); in kvm_get_msr_common()
3568 msr_info->data = kvm_get_lapic_tscdeadline_msr(vcpu); in kvm_get_msr_common()
3571 msr_info->data = (u64)vcpu->arch.ia32_tsc_adjust_msr; in kvm_get_msr_common()
3574 msr_info->data = vcpu->arch.ia32_misc_enable_msr; in kvm_get_msr_common()
3577 if (!msr_info->host_initiated) in kvm_get_msr_common()
3579 msr_info->data = vcpu->arch.smbase; in kvm_get_msr_common()
3582 msr_info->data = vcpu->arch.smi_count; in kvm_get_msr_common()
3586 msr_info->data = 1000ULL; in kvm_get_msr_common()
3588 msr_info->data |= (((uint64_t)4ULL) << 40); in kvm_get_msr_common()
3591 msr_info->data = vcpu->arch.efer; in kvm_get_msr_common()
3597 msr_info->data = vcpu->kvm->arch.wall_clock; in kvm_get_msr_common()
3603 msr_info->data = vcpu->kvm->arch.wall_clock; in kvm_get_msr_common()
3609 msr_info->data = vcpu->arch.time; in kvm_get_msr_common()
3615 msr_info->data = vcpu->arch.time; in kvm_get_msr_common()
3621 msr_info->data = vcpu->arch.apf.msr_en_val; in kvm_get_msr_common()
3627 msr_info->data = vcpu->arch.apf.msr_int_val; in kvm_get_msr_common()
3633 msr_info->data = 0; in kvm_get_msr_common()
3639 msr_info->data = vcpu->arch.st.msr_val; in kvm_get_msr_common()
3645 msr_info->data = vcpu->arch.pv_eoi.msr_val; in kvm_get_msr_common()
3651 msr_info->data = vcpu->arch.msr_kvm_poll_control; in kvm_get_msr_common()
3658 case MSR_IA32_MC0_CTL ... MSR_IA32_MCx_CTL(KVM_MAX_MCE_BANKS) - 1: in kvm_get_msr_common()
3659 return get_msr_mce(vcpu, msr_info->index, &msr_info->data, in kvm_get_msr_common()
3660 msr_info->host_initiated); in kvm_get_msr_common()
3662 if (!msr_info->host_initiated && in kvm_get_msr_common()
3665 msr_info->data = vcpu->arch.ia32_xss; in kvm_get_msr_common()
3669 * Provide expected ramp-up count for K7. All other in kvm_get_msr_common()
3677 msr_info->data = 0x20000000; in kvm_get_msr_common()
3689 msr_info->index, &msr_info->data, in kvm_get_msr_common()
3690 msr_info->host_initiated); in kvm_get_msr_common()
3702 msr_info->data = 0xbe702111; in kvm_get_msr_common()
3707 msr_info->data = vcpu->arch.osvw.length; in kvm_get_msr_common()
3712 msr_info->data = vcpu->arch.osvw.status; in kvm_get_msr_common()
3715 if (!msr_info->host_initiated && in kvm_get_msr_common()
3716 !vcpu->kvm->arch.guest_can_read_msr_platform_info) in kvm_get_msr_common()
3718 msr_info->data = vcpu->arch.msr_platform_info; in kvm_get_msr_common()
3721 msr_info->data = vcpu->arch.msr_misc_features_enables; in kvm_get_msr_common()
3724 msr_info->data = vcpu->arch.msr_hwcr; in kvm_get_msr_common()
3727 if (kvm_pmu_is_valid_msr(vcpu, msr_info->index)) in kvm_get_msr_common()
3747 for (i = 0; i < msrs->nmsrs; ++i) in __msr_io()
3769 r = -EFAULT; in msr_io()
3773 r = -E2BIG; in msr_io()
3778 entries = memdup_user(user_msrs->entries, size); in msr_io()
3788 r = -EFAULT; in msr_io()
3789 if (writeback && copy_to_user(user_msrs->entries, entries, size)) in msr_io()
3921 r = kvm_x86_ops.nested_ops->get_state ? in kvm_vm_ioctl_check_extension()
3922 kvm_x86_ops.nested_ops->get_state(NULL, NULL, 0) : 0; in kvm_vm_ioctl_check_extension()
3928 r = kvm_x86_ops.nested_ops->enable_evmcs != NULL; in kvm_vm_ioctl_check_extension()
3955 r = -EFAULT; in kvm_arch_dev_ioctl()
3962 r = -E2BIG; in kvm_arch_dev_ioctl()
3965 r = -EFAULT; in kvm_arch_dev_ioctl()
3966 if (copy_to_user(user_msr_list->indices, &msrs_to_save, in kvm_arch_dev_ioctl()
3969 if (copy_to_user(user_msr_list->indices + num_msrs_to_save, in kvm_arch_dev_ioctl()
3981 r = -EFAULT; in kvm_arch_dev_ioctl()
3985 r = kvm_dev_ioctl_get_cpuid(&cpuid, cpuid_arg->entries, in kvm_arch_dev_ioctl()
3990 r = -EFAULT; in kvm_arch_dev_ioctl()
3997 r = -EFAULT; in kvm_arch_dev_ioctl()
4008 r = -EFAULT; in kvm_arch_dev_ioctl()
4015 r = -E2BIG; in kvm_arch_dev_ioctl()
4018 r = -EFAULT; in kvm_arch_dev_ioctl()
4019 if (copy_to_user(user_msr_list->indices, &msr_based_features, in kvm_arch_dev_ioctl()
4029 r = -EINVAL; in kvm_arch_dev_ioctl()
4043 return kvm_arch_has_noncoherent_dma(vcpu->kvm); in need_emulate_wbinvd()
4051 cpumask_set_cpu(cpu, vcpu->arch.wbinvd_dirty_mask); in kvm_arch_vcpu_load()
4052 else if (vcpu->cpu != -1 && vcpu->cpu != cpu) in kvm_arch_vcpu_load()
4053 smp_call_function_single(vcpu->cpu, in kvm_arch_vcpu_load()
4060 vcpu->arch.host_pkru = read_pkru(); in kvm_arch_vcpu_load()
4063 if (unlikely(vcpu->arch.tsc_offset_adjustment)) { in kvm_arch_vcpu_load()
4064 adjust_tsc_offset_host(vcpu, vcpu->arch.tsc_offset_adjustment); in kvm_arch_vcpu_load()
4065 vcpu->arch.tsc_offset_adjustment = 0; in kvm_arch_vcpu_load()
4069 if (unlikely(vcpu->cpu != cpu) || kvm_check_tsc_unstable()) { in kvm_arch_vcpu_load()
4070 s64 tsc_delta = !vcpu->arch.last_host_tsc ? 0 : in kvm_arch_vcpu_load()
4071 rdtsc() - vcpu->arch.last_host_tsc; in kvm_arch_vcpu_load()
4077 vcpu->arch.last_guest_tsc); in kvm_arch_vcpu_load()
4079 vcpu->arch.tsc_catchup = 1; in kvm_arch_vcpu_load()
4087 * kvmclock on vcpu->cpu migration in kvm_arch_vcpu_load()
4089 if (!vcpu->kvm->arch.use_master_clock || vcpu->cpu == -1) in kvm_arch_vcpu_load()
4091 if (vcpu->cpu != cpu) in kvm_arch_vcpu_load()
4093 vcpu->cpu = cpu; in kvm_arch_vcpu_load()
4101 struct gfn_to_hva_cache *ghc = &vcpu->arch.st.cache; in kvm_steal_time_set_preempted()
4105 gpa_t gpa = vcpu->arch.st.msr_val & KVM_STEAL_VALID_BITS; in kvm_steal_time_set_preempted()
4108 * The vCPU can be marked preempted if and only if the VM-Exit was on in kvm_steal_time_set_preempted()
4112 * preempted if and only if the VM-Exit was due to a host interrupt. in kvm_steal_time_set_preempted()
4114 if (!vcpu->arch.at_instruction_boundary) { in kvm_steal_time_set_preempted()
4115 vcpu->stat.preemption_other++; in kvm_steal_time_set_preempted()
4119 vcpu->stat.preemption_reported++; in kvm_steal_time_set_preempted()
4120 if (!(vcpu->arch.st.msr_val & KVM_MSR_ENABLED)) in kvm_steal_time_set_preempted()
4123 if (vcpu->arch.st.preempted) in kvm_steal_time_set_preempted()
4127 if (unlikely(current->mm != vcpu->kvm->mm)) in kvm_steal_time_set_preempted()
4130 slots = kvm_memslots(vcpu->kvm); in kvm_steal_time_set_preempted()
4132 if (unlikely(slots->generation != ghc->generation || in kvm_steal_time_set_preempted()
4133 gpa != ghc->gpa || in kvm_steal_time_set_preempted()
4134 kvm_is_error_hva(ghc->hva) || !ghc->memslot)) in kvm_steal_time_set_preempted()
4137 st = (struct kvm_steal_time __user *)ghc->hva; in kvm_steal_time_set_preempted()
4138 BUILD_BUG_ON(sizeof(st->preempted) != sizeof(preempted)); in kvm_steal_time_set_preempted()
4140 if (!copy_to_user_nofault(&st->preempted, &preempted, sizeof(preempted))) in kvm_steal_time_set_preempted()
4141 vcpu->arch.st.preempted = KVM_VCPU_PREEMPTED; in kvm_steal_time_set_preempted()
4143 mark_page_dirty_in_slot(ghc->memslot, gpa_to_gfn(ghc->gpa)); in kvm_steal_time_set_preempted()
4150 if (vcpu->preempted) { in kvm_arch_vcpu_put()
4151 vcpu->arch.preempted_in_kernel = !kvm_x86_ops.get_cpl(vcpu); in kvm_arch_vcpu_put()
4157 idx = srcu_read_lock(&vcpu->kvm->srcu); in kvm_arch_vcpu_put()
4159 srcu_read_unlock(&vcpu->kvm->srcu, idx); in kvm_arch_vcpu_put()
4163 vcpu->arch.last_host_tsc = rdtsc(); in kvm_arch_vcpu_put()
4175 if (vcpu->arch.apicv_active) in kvm_vcpu_ioctl_get_lapic()
4217 * instruction boundary and with no events half-injected. in kvm_vcpu_ready_for_interrupt_injection()
4222 !vcpu->arch.exception.pending); in kvm_vcpu_ready_for_interrupt_injection()
4228 if (irq->irq >= KVM_NR_INTERRUPTS) in kvm_vcpu_ioctl_interrupt()
4229 return -EINVAL; in kvm_vcpu_ioctl_interrupt()
4231 if (!irqchip_in_kernel(vcpu->kvm)) { in kvm_vcpu_ioctl_interrupt()
4232 kvm_queue_interrupt(vcpu, irq->irq, false); in kvm_vcpu_ioctl_interrupt()
4238 * With in-kernel LAPIC, we only use this to inject EXTINT, so in kvm_vcpu_ioctl_interrupt()
4239 * fail for in-kernel 8259. in kvm_vcpu_ioctl_interrupt()
4241 if (pic_in_kernel(vcpu->kvm)) in kvm_vcpu_ioctl_interrupt()
4242 return -ENXIO; in kvm_vcpu_ioctl_interrupt()
4244 if (vcpu->arch.pending_external_vector != -1) in kvm_vcpu_ioctl_interrupt()
4245 return -EEXIST; in kvm_vcpu_ioctl_interrupt()
4247 vcpu->arch.pending_external_vector = irq->irq; in kvm_vcpu_ioctl_interrupt()
4269 if (tac->flags) in vcpu_ioctl_tpr_access_reporting()
4270 return -EINVAL; in vcpu_ioctl_tpr_access_reporting()
4271 vcpu->arch.tpr_access_reporting = !!tac->enabled; in vcpu_ioctl_tpr_access_reporting()
4281 r = -EINVAL; in kvm_vcpu_ioctl_x86_setup_mce()
4287 vcpu->arch.mcg_cap = mcg_cap; in kvm_vcpu_ioctl_x86_setup_mce()
4290 vcpu->arch.mcg_ctl = ~(u64)0; in kvm_vcpu_ioctl_x86_setup_mce()
4293 vcpu->arch.mce_banks[bank*4] = ~(u64)0; in kvm_vcpu_ioctl_x86_setup_mce()
4303 u64 mcg_cap = vcpu->arch.mcg_cap; in kvm_vcpu_ioctl_x86_set_mce()
4305 u64 *banks = vcpu->arch.mce_banks; in kvm_vcpu_ioctl_x86_set_mce()
4307 if (mce->bank >= bank_num || !(mce->status & MCI_STATUS_VAL)) in kvm_vcpu_ioctl_x86_set_mce()
4308 return -EINVAL; in kvm_vcpu_ioctl_x86_set_mce()
4313 if ((mce->status & MCI_STATUS_UC) && (mcg_cap & MCG_CTL_P) && in kvm_vcpu_ioctl_x86_set_mce()
4314 vcpu->arch.mcg_ctl != ~(u64)0) in kvm_vcpu_ioctl_x86_set_mce()
4316 banks += 4 * mce->bank; in kvm_vcpu_ioctl_x86_set_mce()
4321 if ((mce->status & MCI_STATUS_UC) && banks[0] != ~(u64)0) in kvm_vcpu_ioctl_x86_set_mce()
4323 if (mce->status & MCI_STATUS_UC) { in kvm_vcpu_ioctl_x86_set_mce()
4324 if ((vcpu->arch.mcg_status & MCG_STATUS_MCIP) || in kvm_vcpu_ioctl_x86_set_mce()
4330 mce->status |= MCI_STATUS_OVER; in kvm_vcpu_ioctl_x86_set_mce()
4331 banks[2] = mce->addr; in kvm_vcpu_ioctl_x86_set_mce()
4332 banks[3] = mce->misc; in kvm_vcpu_ioctl_x86_set_mce()
4333 vcpu->arch.mcg_status = mce->mcg_status; in kvm_vcpu_ioctl_x86_set_mce()
4334 banks[1] = mce->status; in kvm_vcpu_ioctl_x86_set_mce()
4339 mce->status |= MCI_STATUS_OVER; in kvm_vcpu_ioctl_x86_set_mce()
4340 banks[2] = mce->addr; in kvm_vcpu_ioctl_x86_set_mce()
4341 banks[3] = mce->misc; in kvm_vcpu_ioctl_x86_set_mce()
4342 banks[1] = mce->status; in kvm_vcpu_ioctl_x86_set_mce()
4360 * modified under nVMX). Unless the per-VM capability, in kvm_vcpu_ioctl_x86_get_vcpu_events()
4367 if (!vcpu->kvm->arch.exception_payload_enabled && in kvm_vcpu_ioctl_x86_get_vcpu_events()
4368 vcpu->arch.exception.pending && vcpu->arch.exception.has_payload) in kvm_vcpu_ioctl_x86_get_vcpu_events()
4377 if (kvm_exception_is_soft(vcpu->arch.exception.nr)) { in kvm_vcpu_ioctl_x86_get_vcpu_events()
4378 events->exception.injected = 0; in kvm_vcpu_ioctl_x86_get_vcpu_events()
4379 events->exception.pending = 0; in kvm_vcpu_ioctl_x86_get_vcpu_events()
4381 events->exception.injected = vcpu->arch.exception.injected; in kvm_vcpu_ioctl_x86_get_vcpu_events()
4382 events->exception.pending = vcpu->arch.exception.pending; in kvm_vcpu_ioctl_x86_get_vcpu_events()
4388 if (!vcpu->kvm->arch.exception_payload_enabled) in kvm_vcpu_ioctl_x86_get_vcpu_events()
4389 events->exception.injected |= in kvm_vcpu_ioctl_x86_get_vcpu_events()
4390 vcpu->arch.exception.pending; in kvm_vcpu_ioctl_x86_get_vcpu_events()
4392 events->exception.nr = vcpu->arch.exception.nr; in kvm_vcpu_ioctl_x86_get_vcpu_events()
4393 events->exception.has_error_code = vcpu->arch.exception.has_error_code; in kvm_vcpu_ioctl_x86_get_vcpu_events()
4394 events->exception.error_code = vcpu->arch.exception.error_code; in kvm_vcpu_ioctl_x86_get_vcpu_events()
4395 events->exception_has_payload = vcpu->arch.exception.has_payload; in kvm_vcpu_ioctl_x86_get_vcpu_events()
4396 events->exception_payload = vcpu->arch.exception.payload; in kvm_vcpu_ioctl_x86_get_vcpu_events()
4398 events->interrupt.injected = in kvm_vcpu_ioctl_x86_get_vcpu_events()
4399 vcpu->arch.interrupt.injected && !vcpu->arch.interrupt.soft; in kvm_vcpu_ioctl_x86_get_vcpu_events()
4400 events->interrupt.nr = vcpu->arch.interrupt.nr; in kvm_vcpu_ioctl_x86_get_vcpu_events()
4401 events->interrupt.soft = 0; in kvm_vcpu_ioctl_x86_get_vcpu_events()
4402 events->interrupt.shadow = kvm_x86_ops.get_interrupt_shadow(vcpu); in kvm_vcpu_ioctl_x86_get_vcpu_events()
4404 events->nmi.injected = vcpu->arch.nmi_injected; in kvm_vcpu_ioctl_x86_get_vcpu_events()
4405 events->nmi.pending = vcpu->arch.nmi_pending != 0; in kvm_vcpu_ioctl_x86_get_vcpu_events()
4406 events->nmi.masked = kvm_x86_ops.get_nmi_mask(vcpu); in kvm_vcpu_ioctl_x86_get_vcpu_events()
4407 events->nmi.pad = 0; in kvm_vcpu_ioctl_x86_get_vcpu_events()
4409 events->sipi_vector = 0; /* never valid when reporting to user space */ in kvm_vcpu_ioctl_x86_get_vcpu_events()
4411 events->smi.smm = is_smm(vcpu); in kvm_vcpu_ioctl_x86_get_vcpu_events()
4412 events->smi.pending = vcpu->arch.smi_pending; in kvm_vcpu_ioctl_x86_get_vcpu_events()
4413 events->smi.smm_inside_nmi = in kvm_vcpu_ioctl_x86_get_vcpu_events()
4414 !!(vcpu->arch.hflags & HF_SMM_INSIDE_NMI_MASK); in kvm_vcpu_ioctl_x86_get_vcpu_events()
4415 events->smi.latched_init = kvm_lapic_latched_init(vcpu); in kvm_vcpu_ioctl_x86_get_vcpu_events()
4417 events->flags = (KVM_VCPUEVENT_VALID_NMI_PENDING in kvm_vcpu_ioctl_x86_get_vcpu_events()
4420 if (vcpu->kvm->arch.exception_payload_enabled) in kvm_vcpu_ioctl_x86_get_vcpu_events()
4421 events->flags |= KVM_VCPUEVENT_VALID_PAYLOAD; in kvm_vcpu_ioctl_x86_get_vcpu_events()
4423 memset(&events->reserved, 0, sizeof(events->reserved)); in kvm_vcpu_ioctl_x86_get_vcpu_events()
4431 if (events->flags & ~(KVM_VCPUEVENT_VALID_NMI_PENDING in kvm_vcpu_ioctl_x86_set_vcpu_events()
4436 return -EINVAL; in kvm_vcpu_ioctl_x86_set_vcpu_events()
4438 if (events->flags & KVM_VCPUEVENT_VALID_PAYLOAD) { in kvm_vcpu_ioctl_x86_set_vcpu_events()
4439 if (!vcpu->kvm->arch.exception_payload_enabled) in kvm_vcpu_ioctl_x86_set_vcpu_events()
4440 return -EINVAL; in kvm_vcpu_ioctl_x86_set_vcpu_events()
4441 if (events->exception.pending) in kvm_vcpu_ioctl_x86_set_vcpu_events()
4442 events->exception.injected = 0; in kvm_vcpu_ioctl_x86_set_vcpu_events()
4444 events->exception_has_payload = 0; in kvm_vcpu_ioctl_x86_set_vcpu_events()
4446 events->exception.pending = 0; in kvm_vcpu_ioctl_x86_set_vcpu_events()
4447 events->exception_has_payload = 0; in kvm_vcpu_ioctl_x86_set_vcpu_events()
4450 if ((events->exception.injected || events->exception.pending) && in kvm_vcpu_ioctl_x86_set_vcpu_events()
4451 (events->exception.nr > 31 || events->exception.nr == NMI_VECTOR)) in kvm_vcpu_ioctl_x86_set_vcpu_events()
4452 return -EINVAL; in kvm_vcpu_ioctl_x86_set_vcpu_events()
4455 if (events->flags & KVM_VCPUEVENT_VALID_SMM && in kvm_vcpu_ioctl_x86_set_vcpu_events()
4456 (events->smi.smm || events->smi.pending) && in kvm_vcpu_ioctl_x86_set_vcpu_events()
4457 vcpu->arch.mp_state == KVM_MP_STATE_INIT_RECEIVED) in kvm_vcpu_ioctl_x86_set_vcpu_events()
4458 return -EINVAL; in kvm_vcpu_ioctl_x86_set_vcpu_events()
4461 vcpu->arch.exception.injected = events->exception.injected; in kvm_vcpu_ioctl_x86_set_vcpu_events()
4462 vcpu->arch.exception.pending = events->exception.pending; in kvm_vcpu_ioctl_x86_set_vcpu_events()
4463 vcpu->arch.exception.nr = events->exception.nr; in kvm_vcpu_ioctl_x86_set_vcpu_events()
4464 vcpu->arch.exception.has_error_code = events->exception.has_error_code; in kvm_vcpu_ioctl_x86_set_vcpu_events()
4465 vcpu->arch.exception.error_code = events->exception.error_code; in kvm_vcpu_ioctl_x86_set_vcpu_events()
4466 vcpu->arch.exception.has_payload = events->exception_has_payload; in kvm_vcpu_ioctl_x86_set_vcpu_events()
4467 vcpu->arch.exception.payload = events->exception_payload; in kvm_vcpu_ioctl_x86_set_vcpu_events()
4469 vcpu->arch.interrupt.injected = events->interrupt.injected; in kvm_vcpu_ioctl_x86_set_vcpu_events()
4470 vcpu->arch.interrupt.nr = events->interrupt.nr; in kvm_vcpu_ioctl_x86_set_vcpu_events()
4471 vcpu->arch.interrupt.soft = events->interrupt.soft; in kvm_vcpu_ioctl_x86_set_vcpu_events()
4472 if (events->flags & KVM_VCPUEVENT_VALID_SHADOW) in kvm_vcpu_ioctl_x86_set_vcpu_events()
4474 events->interrupt.shadow); in kvm_vcpu_ioctl_x86_set_vcpu_events()
4476 vcpu->arch.nmi_injected = events->nmi.injected; in kvm_vcpu_ioctl_x86_set_vcpu_events()
4477 if (events->flags & KVM_VCPUEVENT_VALID_NMI_PENDING) in kvm_vcpu_ioctl_x86_set_vcpu_events()
4478 vcpu->arch.nmi_pending = events->nmi.pending; in kvm_vcpu_ioctl_x86_set_vcpu_events()
4479 kvm_x86_ops.set_nmi_mask(vcpu, events->nmi.masked); in kvm_vcpu_ioctl_x86_set_vcpu_events()
4481 if (events->flags & KVM_VCPUEVENT_VALID_SIPI_VECTOR && in kvm_vcpu_ioctl_x86_set_vcpu_events()
4483 vcpu->arch.apic->sipi_vector = events->sipi_vector; in kvm_vcpu_ioctl_x86_set_vcpu_events()
4485 if (events->flags & KVM_VCPUEVENT_VALID_SMM) { in kvm_vcpu_ioctl_x86_set_vcpu_events()
4486 if (!!(vcpu->arch.hflags & HF_SMM_MASK) != events->smi.smm) { in kvm_vcpu_ioctl_x86_set_vcpu_events()
4487 if (events->smi.smm) in kvm_vcpu_ioctl_x86_set_vcpu_events()
4488 vcpu->arch.hflags |= HF_SMM_MASK; in kvm_vcpu_ioctl_x86_set_vcpu_events()
4490 vcpu->arch.hflags &= ~HF_SMM_MASK; in kvm_vcpu_ioctl_x86_set_vcpu_events()
4492 kvm_x86_ops.nested_ops->leave_nested(vcpu); in kvm_vcpu_ioctl_x86_set_vcpu_events()
4496 vcpu->arch.smi_pending = events->smi.pending; in kvm_vcpu_ioctl_x86_set_vcpu_events()
4498 if (events->smi.smm) { in kvm_vcpu_ioctl_x86_set_vcpu_events()
4499 if (events->smi.smm_inside_nmi) in kvm_vcpu_ioctl_x86_set_vcpu_events()
4500 vcpu->arch.hflags |= HF_SMM_INSIDE_NMI_MASK; in kvm_vcpu_ioctl_x86_set_vcpu_events()
4502 vcpu->arch.hflags &= ~HF_SMM_INSIDE_NMI_MASK; in kvm_vcpu_ioctl_x86_set_vcpu_events()
4506 if (events->smi.latched_init) in kvm_vcpu_ioctl_x86_set_vcpu_events()
4507 set_bit(KVM_APIC_INIT, &vcpu->arch.apic->pending_events); in kvm_vcpu_ioctl_x86_set_vcpu_events()
4509 clear_bit(KVM_APIC_INIT, &vcpu->arch.apic->pending_events); in kvm_vcpu_ioctl_x86_set_vcpu_events()
4524 memcpy(dbgregs->db, vcpu->arch.db, sizeof(vcpu->arch.db)); in kvm_vcpu_ioctl_x86_get_debugregs()
4526 dbgregs->dr6 = val; in kvm_vcpu_ioctl_x86_get_debugregs()
4527 dbgregs->dr7 = vcpu->arch.dr7; in kvm_vcpu_ioctl_x86_get_debugregs()
4533 if (dbgregs->flags) in kvm_vcpu_ioctl_x86_set_debugregs()
4534 return -EINVAL; in kvm_vcpu_ioctl_x86_set_debugregs()
4536 if (dbgregs->dr6 & ~0xffffffffull) in kvm_vcpu_ioctl_x86_set_debugregs()
4537 return -EINVAL; in kvm_vcpu_ioctl_x86_set_debugregs()
4538 if (dbgregs->dr7 & ~0xffffffffull) in kvm_vcpu_ioctl_x86_set_debugregs()
4539 return -EINVAL; in kvm_vcpu_ioctl_x86_set_debugregs()
4541 memcpy(vcpu->arch.db, dbgregs->db, sizeof(vcpu->arch.db)); in kvm_vcpu_ioctl_x86_set_debugregs()
4543 vcpu->arch.dr6 = dbgregs->dr6; in kvm_vcpu_ioctl_x86_set_debugregs()
4544 vcpu->arch.dr7 = dbgregs->dr7; in kvm_vcpu_ioctl_x86_set_debugregs()
4554 struct xregs_state *xsave = &vcpu->arch.guest_fpu->state.xsave; in fill_xsave()
4555 u64 xstate_bv = xsave->header.xfeatures; in fill_xsave()
4565 xstate_bv &= vcpu->arch.guest_supported_xcr0 | XFEATURE_MASK_FPSSE; in fill_xsave()
4570 * non-compacted offset. in fill_xsave()
4574 u64 xfeature_mask = valid & -valid; in fill_xsave()
4575 int xfeature_nr = fls64(xfeature_mask) - 1; in fill_xsave()
4583 memcpy(dest + offset, &vcpu->arch.pkru, in fill_xsave()
4584 sizeof(vcpu->arch.pkru)); in fill_xsave()
4590 valid -= xfeature_mask; in fill_xsave()
4596 struct xregs_state *xsave = &vcpu->arch.guest_fpu->state.xsave; in load_xsave()
4607 xsave->header.xfeatures = xstate_bv; in load_xsave()
4609 xsave->header.xcomp_bv = host_xcr0 | XSTATE_COMPACTION_ENABLED; in load_xsave()
4612 * Copy each region from the non-compacted offset to the in load_xsave()
4617 u64 xfeature_mask = valid & -valid; in load_xsave()
4618 int xfeature_nr = fls64(xfeature_mask) - 1; in load_xsave()
4626 memcpy(&vcpu->arch.pkru, src + offset, in load_xsave()
4627 sizeof(vcpu->arch.pkru)); in load_xsave()
4632 valid -= xfeature_mask; in load_xsave()
4641 fill_xsave((u8 *) guest_xsave->region, vcpu); in kvm_vcpu_ioctl_x86_get_xsave()
4643 memcpy(guest_xsave->region, in kvm_vcpu_ioctl_x86_get_xsave()
4644 &vcpu->arch.guest_fpu->state.fxsave, in kvm_vcpu_ioctl_x86_get_xsave()
4646 *(u64 *)&guest_xsave->region[XSAVE_HDR_OFFSET / sizeof(u32)] = in kvm_vcpu_ioctl_x86_get_xsave()
4657 *(u64 *)&guest_xsave->region[XSAVE_HDR_OFFSET / sizeof(u32)]; in kvm_vcpu_ioctl_x86_set_xsave()
4658 u32 mxcsr = *(u32 *)&guest_xsave->region[XSAVE_MXCSR_OFFSET / sizeof(u32)]; in kvm_vcpu_ioctl_x86_set_xsave()
4667 return -EINVAL; in kvm_vcpu_ioctl_x86_set_xsave()
4668 load_xsave(vcpu, (u8 *)guest_xsave->region); in kvm_vcpu_ioctl_x86_set_xsave()
4672 return -EINVAL; in kvm_vcpu_ioctl_x86_set_xsave()
4673 memcpy(&vcpu->arch.guest_fpu->state.fxsave, in kvm_vcpu_ioctl_x86_set_xsave()
4674 guest_xsave->region, sizeof(struct fxregs_state)); in kvm_vcpu_ioctl_x86_set_xsave()
4683 guest_xcrs->nr_xcrs = 0; in kvm_vcpu_ioctl_x86_get_xcrs()
4687 guest_xcrs->nr_xcrs = 1; in kvm_vcpu_ioctl_x86_get_xcrs()
4688 guest_xcrs->flags = 0; in kvm_vcpu_ioctl_x86_get_xcrs()
4689 guest_xcrs->xcrs[0].xcr = XCR_XFEATURE_ENABLED_MASK; in kvm_vcpu_ioctl_x86_get_xcrs()
4690 guest_xcrs->xcrs[0].value = vcpu->arch.xcr0; in kvm_vcpu_ioctl_x86_get_xcrs()
4699 return -EINVAL; in kvm_vcpu_ioctl_x86_set_xcrs()
4701 if (guest_xcrs->nr_xcrs > KVM_MAX_XCRS || guest_xcrs->flags) in kvm_vcpu_ioctl_x86_set_xcrs()
4702 return -EINVAL; in kvm_vcpu_ioctl_x86_set_xcrs()
4704 for (i = 0; i < guest_xcrs->nr_xcrs; i++) in kvm_vcpu_ioctl_x86_set_xcrs()
4706 if (guest_xcrs->xcrs[i].xcr == XCR_XFEATURE_ENABLED_MASK) { in kvm_vcpu_ioctl_x86_set_xcrs()
4708 guest_xcrs->xcrs[i].value); in kvm_vcpu_ioctl_x86_set_xcrs()
4712 r = -EINVAL; in kvm_vcpu_ioctl_x86_set_xcrs()
4724 if (!vcpu->arch.pv_time_enabled) in kvm_set_guest_paused()
4725 return -EINVAL; in kvm_set_guest_paused()
4726 vcpu->arch.pvclock_set_guest_stopped_request = true; in kvm_set_guest_paused()
4738 if (cap->flags) in kvm_vcpu_ioctl_enable_cap()
4739 return -EINVAL; in kvm_vcpu_ioctl_enable_cap()
4741 switch (cap->cap) { in kvm_vcpu_ioctl_enable_cap()
4743 if (cap->args[0]) in kvm_vcpu_ioctl_enable_cap()
4744 return -EINVAL; in kvm_vcpu_ioctl_enable_cap()
4748 if (!irqchip_in_kernel(vcpu->kvm)) in kvm_vcpu_ioctl_enable_cap()
4749 return -EINVAL; in kvm_vcpu_ioctl_enable_cap()
4750 return kvm_hv_activate_synic(vcpu, cap->cap == in kvm_vcpu_ioctl_enable_cap()
4753 if (!kvm_x86_ops.nested_ops->enable_evmcs) in kvm_vcpu_ioctl_enable_cap()
4754 return -ENOTTY; in kvm_vcpu_ioctl_enable_cap()
4755 r = kvm_x86_ops.nested_ops->enable_evmcs(vcpu, &vmcs_version); in kvm_vcpu_ioctl_enable_cap()
4757 user_ptr = (void __user *)(uintptr_t)cap->args[0]; in kvm_vcpu_ioctl_enable_cap()
4760 r = -EFAULT; in kvm_vcpu_ioctl_enable_cap()
4765 return -ENOTTY; in kvm_vcpu_ioctl_enable_cap()
4770 vcpu->arch.pv_cpuid.enforce = cap->args[0]; in kvm_vcpu_ioctl_enable_cap()
4771 if (vcpu->arch.pv_cpuid.enforce) in kvm_vcpu_ioctl_enable_cap()
4777 return -EINVAL; in kvm_vcpu_ioctl_enable_cap()
4784 struct kvm_vcpu *vcpu = filp->private_data; in kvm_arch_vcpu_ioctl()
4799 r = -EINVAL; in kvm_arch_vcpu_ioctl()
4805 r = -ENOMEM; in kvm_arch_vcpu_ioctl()
4811 r = -EFAULT; in kvm_arch_vcpu_ioctl()
4818 r = -EINVAL; in kvm_arch_vcpu_ioctl()
4833 r = -EFAULT; in kvm_arch_vcpu_ioctl()
4851 r = -EFAULT; in kvm_arch_vcpu_ioctl()
4854 r = kvm_vcpu_ioctl_set_cpuid(vcpu, &cpuid, cpuid_arg->entries); in kvm_arch_vcpu_ioctl()
4861 r = -EFAULT; in kvm_arch_vcpu_ioctl()
4865 cpuid_arg->entries); in kvm_arch_vcpu_ioctl()
4872 r = -EFAULT; in kvm_arch_vcpu_ioctl()
4876 cpuid_arg->entries); in kvm_arch_vcpu_ioctl()
4879 r = -EFAULT; in kvm_arch_vcpu_ioctl()
4886 int idx = srcu_read_lock(&vcpu->kvm->srcu); in kvm_arch_vcpu_ioctl()
4888 srcu_read_unlock(&vcpu->kvm->srcu, idx); in kvm_arch_vcpu_ioctl()
4892 int idx = srcu_read_lock(&vcpu->kvm->srcu); in kvm_arch_vcpu_ioctl()
4894 srcu_read_unlock(&vcpu->kvm->srcu, idx); in kvm_arch_vcpu_ioctl()
4900 r = -EFAULT; in kvm_arch_vcpu_ioctl()
4906 r = -EFAULT; in kvm_arch_vcpu_ioctl()
4916 r = -EINVAL; in kvm_arch_vcpu_ioctl()
4919 r = -EFAULT; in kvm_arch_vcpu_ioctl()
4922 idx = srcu_read_lock(&vcpu->kvm->srcu); in kvm_arch_vcpu_ioctl()
4924 srcu_read_unlock(&vcpu->kvm->srcu, idx); in kvm_arch_vcpu_ioctl()
4930 r = -EFAULT; in kvm_arch_vcpu_ioctl()
4939 r = -EFAULT; in kvm_arch_vcpu_ioctl()
4950 r = -EFAULT; in kvm_arch_vcpu_ioctl()
4959 r = -EFAULT; in kvm_arch_vcpu_ioctl()
4971 r = -EFAULT; in kvm_arch_vcpu_ioctl()
4981 r = -EFAULT; in kvm_arch_vcpu_ioctl()
4991 r = -ENOMEM; in kvm_arch_vcpu_ioctl()
4997 r = -EFAULT; in kvm_arch_vcpu_ioctl()
5015 r = -ENOMEM; in kvm_arch_vcpu_ioctl()
5021 r = -EFAULT; in kvm_arch_vcpu_ioctl()
5041 r = -EINVAL; in kvm_arch_vcpu_ioctl()
5057 r = vcpu->arch.virtual_tsc_khz; in kvm_arch_vcpu_ioctl()
5067 r = -EFAULT; in kvm_arch_vcpu_ioctl()
5077 r = -EINVAL; in kvm_arch_vcpu_ioctl()
5078 if (!kvm_x86_ops.nested_ops->get_state) in kvm_arch_vcpu_ioctl()
5081 BUILD_BUG_ON(sizeof(user_data_size) != sizeof(user_kvm_nested_state->size)); in kvm_arch_vcpu_ioctl()
5082 r = -EFAULT; in kvm_arch_vcpu_ioctl()
5083 if (get_user(user_data_size, &user_kvm_nested_state->size)) in kvm_arch_vcpu_ioctl()
5086 r = kvm_x86_ops.nested_ops->get_state(vcpu, user_kvm_nested_state, in kvm_arch_vcpu_ioctl()
5092 if (put_user(r, &user_kvm_nested_state->size)) in kvm_arch_vcpu_ioctl()
5093 r = -EFAULT; in kvm_arch_vcpu_ioctl()
5095 r = -E2BIG; in kvm_arch_vcpu_ioctl()
5107 r = -EINVAL; in kvm_arch_vcpu_ioctl()
5108 if (!kvm_x86_ops.nested_ops->set_state) in kvm_arch_vcpu_ioctl()
5111 r = -EFAULT; in kvm_arch_vcpu_ioctl()
5115 r = -EINVAL; in kvm_arch_vcpu_ioctl()
5130 idx = srcu_read_lock(&vcpu->kvm->srcu); in kvm_arch_vcpu_ioctl()
5131 r = kvm_x86_ops.nested_ops->set_state(vcpu, user_kvm_nested_state, &kvm_state); in kvm_arch_vcpu_ioctl()
5132 srcu_read_unlock(&vcpu->kvm->srcu, idx); in kvm_arch_vcpu_ioctl()
5139 r = -EFAULT; in kvm_arch_vcpu_ioctl()
5144 cpuid_arg->entries); in kvm_arch_vcpu_ioctl()
5148 r = -EFAULT; in kvm_arch_vcpu_ioctl()
5155 r = -EINVAL; in kvm_arch_vcpu_ioctl()
5173 if (addr > (unsigned int)(-3 * PAGE_SIZE)) in kvm_vm_ioctl_set_tss_addr()
5174 return -EINVAL; in kvm_vm_ioctl_set_tss_addr()
5189 return -EINVAL; in kvm_vm_ioctl_set_nr_mmu_pages()
5191 mutex_lock(&kvm->slots_lock); in kvm_vm_ioctl_set_nr_mmu_pages()
5194 kvm->arch.n_requested_mmu_pages = kvm_nr_mmu_pages; in kvm_vm_ioctl_set_nr_mmu_pages()
5196 mutex_unlock(&kvm->slots_lock); in kvm_vm_ioctl_set_nr_mmu_pages()
5202 return kvm->arch.n_max_mmu_pages; in kvm_vm_ioctl_get_nr_mmu_pages()
5207 struct kvm_pic *pic = kvm->arch.vpic; in kvm_vm_ioctl_get_irqchip() local
5211 switch (chip->chip_id) { in kvm_vm_ioctl_get_irqchip()
5213 memcpy(&chip->chip.pic, &pic->pics[0], in kvm_vm_ioctl_get_irqchip()
5217 memcpy(&chip->chip.pic, &pic->pics[1], in kvm_vm_ioctl_get_irqchip()
5221 kvm_get_ioapic(kvm, &chip->chip.ioapic); in kvm_vm_ioctl_get_irqchip()
5224 r = -EINVAL; in kvm_vm_ioctl_get_irqchip()
5232 struct kvm_pic *pic = kvm->arch.vpic; in kvm_vm_ioctl_set_irqchip() local
5236 switch (chip->chip_id) { in kvm_vm_ioctl_set_irqchip()
5238 spin_lock(&pic->lock); in kvm_vm_ioctl_set_irqchip()
5239 memcpy(&pic->pics[0], &chip->chip.pic, in kvm_vm_ioctl_set_irqchip()
5241 spin_unlock(&pic->lock); in kvm_vm_ioctl_set_irqchip()
5244 spin_lock(&pic->lock); in kvm_vm_ioctl_set_irqchip()
5245 memcpy(&pic->pics[1], &chip->chip.pic, in kvm_vm_ioctl_set_irqchip()
5247 spin_unlock(&pic->lock); in kvm_vm_ioctl_set_irqchip()
5250 kvm_set_ioapic(kvm, &chip->chip.ioapic); in kvm_vm_ioctl_set_irqchip()
5253 r = -EINVAL; in kvm_vm_ioctl_set_irqchip()
5256 kvm_pic_update_irq(pic); in kvm_vm_ioctl_set_irqchip()
5262 struct kvm_kpit_state *kps = &kvm->arch.vpit->pit_state; in kvm_vm_ioctl_get_pit()
5264 BUILD_BUG_ON(sizeof(*ps) != sizeof(kps->channels)); in kvm_vm_ioctl_get_pit()
5266 mutex_lock(&kps->lock); in kvm_vm_ioctl_get_pit()
5267 memcpy(ps, &kps->channels, sizeof(*ps)); in kvm_vm_ioctl_get_pit()
5268 mutex_unlock(&kps->lock); in kvm_vm_ioctl_get_pit()
5275 struct kvm_pit *pit = kvm->arch.vpit; in kvm_vm_ioctl_set_pit()
5277 mutex_lock(&pit->pit_state.lock); in kvm_vm_ioctl_set_pit()
5278 memcpy(&pit->pit_state.channels, ps, sizeof(*ps)); in kvm_vm_ioctl_set_pit()
5280 kvm_pit_load_count(pit, i, ps->channels[i].count, 0); in kvm_vm_ioctl_set_pit()
5281 mutex_unlock(&pit->pit_state.lock); in kvm_vm_ioctl_set_pit()
5287 mutex_lock(&kvm->arch.vpit->pit_state.lock); in kvm_vm_ioctl_get_pit2()
5288 memcpy(ps->channels, &kvm->arch.vpit->pit_state.channels, in kvm_vm_ioctl_get_pit2()
5289 sizeof(ps->channels)); in kvm_vm_ioctl_get_pit2()
5290 ps->flags = kvm->arch.vpit->pit_state.flags; in kvm_vm_ioctl_get_pit2()
5291 mutex_unlock(&kvm->arch.vpit->pit_state.lock); in kvm_vm_ioctl_get_pit2()
5292 memset(&ps->reserved, 0, sizeof(ps->reserved)); in kvm_vm_ioctl_get_pit2()
5301 struct kvm_pit *pit = kvm->arch.vpit; in kvm_vm_ioctl_set_pit2()
5303 mutex_lock(&pit->pit_state.lock); in kvm_vm_ioctl_set_pit2()
5304 prev_legacy = pit->pit_state.flags & KVM_PIT_FLAGS_HPET_LEGACY; in kvm_vm_ioctl_set_pit2()
5305 cur_legacy = ps->flags & KVM_PIT_FLAGS_HPET_LEGACY; in kvm_vm_ioctl_set_pit2()
5308 memcpy(&pit->pit_state.channels, &ps->channels, in kvm_vm_ioctl_set_pit2()
5309 sizeof(pit->pit_state.channels)); in kvm_vm_ioctl_set_pit2()
5310 pit->pit_state.flags = ps->flags; in kvm_vm_ioctl_set_pit2()
5312 kvm_pit_load_count(pit, i, pit->pit_state.channels[i].count, in kvm_vm_ioctl_set_pit2()
5314 mutex_unlock(&pit->pit_state.lock); in kvm_vm_ioctl_set_pit2()
5321 struct kvm_pit *pit = kvm->arch.vpit; in kvm_vm_ioctl_reinject()
5323 /* pit->pit_state.lock was overloaded to prevent userspace from getting in kvm_vm_ioctl_reinject()
5327 mutex_lock(&pit->pit_state.lock); in kvm_vm_ioctl_reinject()
5328 kvm_pit_set_reinject(pit, control->pit_reinject); in kvm_vm_ioctl_reinject()
5329 mutex_unlock(&pit->pit_state.lock); in kvm_vm_ioctl_reinject()
5337 * Flush potentially hardware-cached dirty pages to dirty_bitmap. in kvm_arch_sync_dirty_log()
5347 return -ENXIO; in kvm_vm_ioctl_irq_line()
5349 irq_event->status = kvm_set_irq(kvm, KVM_USERSPACE_IRQ_SOURCE_ID, in kvm_vm_ioctl_irq_line()
5350 irq_event->irq, irq_event->level, in kvm_vm_ioctl_irq_line()
5360 if (cap->flags) in kvm_vm_ioctl_enable_cap()
5361 return -EINVAL; in kvm_vm_ioctl_enable_cap()
5363 switch (cap->cap) { in kvm_vm_ioctl_enable_cap()
5365 kvm->arch.disabled_quirks = cap->args[0]; in kvm_vm_ioctl_enable_cap()
5369 mutex_lock(&kvm->lock); in kvm_vm_ioctl_enable_cap()
5370 r = -EINVAL; in kvm_vm_ioctl_enable_cap()
5371 if (cap->args[0] > MAX_NR_RESERVED_IOAPIC_PINS) in kvm_vm_ioctl_enable_cap()
5373 r = -EEXIST; in kvm_vm_ioctl_enable_cap()
5376 if (kvm->created_vcpus) in kvm_vm_ioctl_enable_cap()
5383 kvm->arch.irqchip_mode = KVM_IRQCHIP_SPLIT; in kvm_vm_ioctl_enable_cap()
5384 kvm->arch.nr_reserved_ioapic_pins = cap->args[0]; in kvm_vm_ioctl_enable_cap()
5387 mutex_unlock(&kvm->lock); in kvm_vm_ioctl_enable_cap()
5391 r = -EINVAL; in kvm_vm_ioctl_enable_cap()
5392 if (cap->args[0] & ~KVM_X2APIC_API_VALID_FLAGS) in kvm_vm_ioctl_enable_cap()
5395 if (cap->args[0] & KVM_X2APIC_API_USE_32BIT_IDS) in kvm_vm_ioctl_enable_cap()
5396 kvm->arch.x2apic_format = true; in kvm_vm_ioctl_enable_cap()
5397 if (cap->args[0] & KVM_X2APIC_API_DISABLE_BROADCAST_QUIRK) in kvm_vm_ioctl_enable_cap()
5398 kvm->arch.x2apic_broadcast_quirk_disabled = true; in kvm_vm_ioctl_enable_cap()
5403 r = -EINVAL; in kvm_vm_ioctl_enable_cap()
5404 if (cap->args[0] & ~KVM_X86_DISABLE_VALID_EXITS) in kvm_vm_ioctl_enable_cap()
5407 if ((cap->args[0] & KVM_X86_DISABLE_EXITS_MWAIT) && in kvm_vm_ioctl_enable_cap()
5409 kvm->arch.mwait_in_guest = true; in kvm_vm_ioctl_enable_cap()
5410 if (cap->args[0] & KVM_X86_DISABLE_EXITS_HLT) in kvm_vm_ioctl_enable_cap()
5411 kvm->arch.hlt_in_guest = true; in kvm_vm_ioctl_enable_cap()
5412 if (cap->args[0] & KVM_X86_DISABLE_EXITS_PAUSE) in kvm_vm_ioctl_enable_cap()
5413 kvm->arch.pause_in_guest = true; in kvm_vm_ioctl_enable_cap()
5414 if (cap->args[0] & KVM_X86_DISABLE_EXITS_CSTATE) in kvm_vm_ioctl_enable_cap()
5415 kvm->arch.cstate_in_guest = true; in kvm_vm_ioctl_enable_cap()
5419 kvm->arch.guest_can_read_msr_platform_info = cap->args[0]; in kvm_vm_ioctl_enable_cap()
5423 kvm->arch.exception_payload_enabled = cap->args[0]; in kvm_vm_ioctl_enable_cap()
5427 r = -EINVAL; in kvm_vm_ioctl_enable_cap()
5428 if (cap->args[0] & ~(KVM_MSR_EXIT_REASON_INVAL | in kvm_vm_ioctl_enable_cap()
5432 kvm->arch.user_space_msr_mask = cap->args[0]; in kvm_vm_ioctl_enable_cap()
5436 r = -EINVAL; in kvm_vm_ioctl_enable_cap()
5450 msr_filter->default_allow = default_allow; in kvm_alloc_msr_filter()
5461 for (i = 0; i < msr_filter->count; i++) in kvm_free_msr_filter()
5462 kfree(msr_filter->ranges[i].bitmap); in kvm_free_msr_filter()
5475 if (!user_range->nmsrs) in kvm_add_msr_filter()
5478 bitmap_size = BITS_TO_LONGS(user_range->nmsrs) * sizeof(long); in kvm_add_msr_filter()
5480 return -EINVAL; in kvm_add_msr_filter()
5482 bitmap = memdup_user((__user u8*)user_range->bitmap, bitmap_size); in kvm_add_msr_filter()
5487 .flags = user_range->flags, in kvm_add_msr_filter()
5488 .base = user_range->base, in kvm_add_msr_filter()
5489 .nmsrs = user_range->nmsrs, in kvm_add_msr_filter()
5494 r = -EINVAL; in kvm_add_msr_filter()
5499 r = -EINVAL; in kvm_add_msr_filter()
5504 msr_filter->ranges[msr_filter->count] = range; in kvm_add_msr_filter()
5505 msr_filter->count++; in kvm_add_msr_filter()
5522 if (filter->flags & ~KVM_MSR_FILTER_DEFAULT_DENY) in kvm_vm_ioctl_set_msr_filter()
5523 return -EINVAL; in kvm_vm_ioctl_set_msr_filter()
5525 for (i = 0; i < ARRAY_SIZE(filter->ranges); i++) in kvm_vm_ioctl_set_msr_filter()
5526 empty &= !filter->ranges[i].nmsrs; in kvm_vm_ioctl_set_msr_filter()
5528 default_allow = !(filter->flags & KVM_MSR_FILTER_DEFAULT_DENY); in kvm_vm_ioctl_set_msr_filter()
5530 return -EINVAL; in kvm_vm_ioctl_set_msr_filter()
5534 return -ENOMEM; in kvm_vm_ioctl_set_msr_filter()
5536 for (i = 0; i < ARRAY_SIZE(filter->ranges); i++) { in kvm_vm_ioctl_set_msr_filter()
5537 r = kvm_add_msr_filter(new_filter, &filter->ranges[i]); in kvm_vm_ioctl_set_msr_filter()
5544 mutex_lock(&kvm->lock); in kvm_vm_ioctl_set_msr_filter()
5546 /* The per-VM filter is protected by kvm->lock... */ in kvm_vm_ioctl_set_msr_filter()
5547 old_filter = srcu_dereference_check(kvm->arch.msr_filter, &kvm->srcu, 1); in kvm_vm_ioctl_set_msr_filter()
5549 rcu_assign_pointer(kvm->arch.msr_filter, new_filter); in kvm_vm_ioctl_set_msr_filter()
5550 synchronize_srcu(&kvm->srcu); in kvm_vm_ioctl_set_msr_filter()
5555 mutex_unlock(&kvm->lock); in kvm_vm_ioctl_set_msr_filter()
5565 __u32 base; member
5580 struct kvm *kvm = filp->private_data; in kvm_arch_vm_compat_ioctl()
5581 long r = -ENOTTY; in kvm_arch_vm_compat_ioctl()
5592 return -EFAULT; in kvm_arch_vm_compat_ioctl()
5600 .flags = cr->flags, in kvm_arch_vm_compat_ioctl()
5601 .nmsrs = cr->nmsrs, in kvm_arch_vm_compat_ioctl()
5602 .base = cr->base, in kvm_arch_vm_compat_ioctl()
5603 .bitmap = (__u8 *)(ulong)cr->bitmap, in kvm_arch_vm_compat_ioctl()
5619 struct kvm *kvm = filp->private_data; in kvm_arch_vm_ioctl()
5621 int r = -ENOTTY; in kvm_arch_vm_ioctl()
5623 * This union makes it completely explicit to gcc-3.x in kvm_arch_vm_ioctl()
5640 mutex_lock(&kvm->lock); in kvm_arch_vm_ioctl()
5641 r = -EINVAL; in kvm_arch_vm_ioctl()
5642 if (kvm->created_vcpus) in kvm_arch_vm_ioctl()
5644 r = -EFAULT; in kvm_arch_vm_ioctl()
5649 mutex_unlock(&kvm->lock); in kvm_arch_vm_ioctl()
5659 mutex_lock(&kvm->lock); in kvm_arch_vm_ioctl()
5661 r = -EEXIST; in kvm_arch_vm_ioctl()
5665 r = -EINVAL; in kvm_arch_vm_ioctl()
5666 if (kvm->created_vcpus) in kvm_arch_vm_ioctl()
5685 /* Write kvm->irq_routing before enabling irqchip_in_kernel. */ in kvm_arch_vm_ioctl()
5687 kvm->arch.irqchip_mode = KVM_IRQCHIP_KERNEL; in kvm_arch_vm_ioctl()
5689 mutex_unlock(&kvm->lock); in kvm_arch_vm_ioctl()
5696 r = -EFAULT; in kvm_arch_vm_ioctl()
5701 mutex_lock(&kvm->lock); in kvm_arch_vm_ioctl()
5702 r = -EEXIST; in kvm_arch_vm_ioctl()
5703 if (kvm->arch.vpit) in kvm_arch_vm_ioctl()
5705 r = -ENOMEM; in kvm_arch_vm_ioctl()
5706 kvm->arch.vpit = kvm_create_pit(kvm, u.pit_config.flags); in kvm_arch_vm_ioctl()
5707 if (kvm->arch.vpit) in kvm_arch_vm_ioctl()
5710 mutex_unlock(&kvm->lock); in kvm_arch_vm_ioctl()
5713 /* 0: PIC master, 1: PIC slave, 2: IOAPIC */ in kvm_arch_vm_ioctl()
5722 r = -ENXIO; in kvm_arch_vm_ioctl()
5728 r = -EFAULT; in kvm_arch_vm_ioctl()
5737 /* 0: PIC master, 1: PIC slave, 2: IOAPIC */ in kvm_arch_vm_ioctl()
5746 r = -ENXIO; in kvm_arch_vm_ioctl()
5755 r = -EFAULT; in kvm_arch_vm_ioctl()
5758 r = -ENXIO; in kvm_arch_vm_ioctl()
5759 if (!kvm->arch.vpit) in kvm_arch_vm_ioctl()
5764 r = -EFAULT; in kvm_arch_vm_ioctl()
5771 r = -EFAULT; in kvm_arch_vm_ioctl()
5774 mutex_lock(&kvm->lock); in kvm_arch_vm_ioctl()
5775 r = -ENXIO; in kvm_arch_vm_ioctl()
5776 if (!kvm->arch.vpit) in kvm_arch_vm_ioctl()
5780 mutex_unlock(&kvm->lock); in kvm_arch_vm_ioctl()
5784 r = -ENXIO; in kvm_arch_vm_ioctl()
5785 if (!kvm->arch.vpit) in kvm_arch_vm_ioctl()
5790 r = -EFAULT; in kvm_arch_vm_ioctl()
5797 r = -EFAULT; in kvm_arch_vm_ioctl()
5800 mutex_lock(&kvm->lock); in kvm_arch_vm_ioctl()
5801 r = -ENXIO; in kvm_arch_vm_ioctl()
5802 if (!kvm->arch.vpit) in kvm_arch_vm_ioctl()
5806 mutex_unlock(&kvm->lock); in kvm_arch_vm_ioctl()
5811 r = -EFAULT; in kvm_arch_vm_ioctl()
5814 r = -ENXIO; in kvm_arch_vm_ioctl()
5815 if (!kvm->arch.vpit) in kvm_arch_vm_ioctl()
5822 mutex_lock(&kvm->lock); in kvm_arch_vm_ioctl()
5823 if (kvm->created_vcpus) in kvm_arch_vm_ioctl()
5824 r = -EBUSY; in kvm_arch_vm_ioctl()
5826 kvm->arch.bsp_vcpu_id = arg; in kvm_arch_vm_ioctl()
5827 mutex_unlock(&kvm->lock); in kvm_arch_vm_ioctl()
5831 r = -EFAULT; in kvm_arch_vm_ioctl()
5834 r = -EINVAL; in kvm_arch_vm_ioctl()
5837 memcpy(&kvm->arch.xen_hvm_config, &xhc, sizeof(xhc)); in kvm_arch_vm_ioctl()
5845 r = -EFAULT; in kvm_arch_vm_ioctl()
5849 r = -EINVAL; in kvm_arch_vm_ioctl()
5861 kvm->arch.kvmclock_offset += user_ns.clock - now_ns; in kvm_arch_vm_ioctl()
5871 user_ns.flags = kvm->arch.use_master_clock ? KVM_CLOCK_TSC_STABLE : 0; in kvm_arch_vm_ioctl()
5874 r = -EFAULT; in kvm_arch_vm_ioctl()
5881 r = -ENOTTY; in kvm_arch_vm_ioctl()
5889 r = -EFAULT; in kvm_arch_vm_ioctl()
5893 r = -ENOTTY; in kvm_arch_vm_ioctl()
5901 r = -EFAULT; in kvm_arch_vm_ioctl()
5905 r = -ENOTTY; in kvm_arch_vm_ioctl()
5913 r = -EFAULT; in kvm_arch_vm_ioctl()
5927 return -EFAULT; in kvm_arch_vm_ioctl()
5933 r = -ENOTTY; in kvm_arch_vm_ioctl()
5994 msrs_to_save_all[i] - MSR_IA32_RTIT_ADDR0_A >= in kvm_init_msr_list()
5999 if (msrs_to_save_all[i] - MSR_ARCH_PERFMON_PERFCTR0 >= in kvm_init_msr_list()
6004 if (msrs_to_save_all[i] - MSR_ARCH_PERFMON_EVENTSEL0 >= in kvm_init_msr_list()
6042 !kvm_iodevice_write(vcpu, &vcpu->arch.apic->dev, addr, n, v)) in vcpu_mmio_write()
6047 len -= n; in vcpu_mmio_write()
6062 !kvm_iodevice_read(vcpu, &vcpu->arch.apic->dev, in vcpu_mmio_read()
6069 len -= n; in vcpu_mmio_read()
6095 /* NPT walks are always user-walks */ in translate_nested_gpa()
6097 t_gpa = vcpu->arch.mmu->gva_to_gpa(vcpu, gpa, access, exception); in translate_nested_gpa()
6106 return vcpu->arch.walk_mmu->gva_to_gpa(vcpu, gva, access, exception); in kvm_mmu_gva_to_gpa_read()
6114 return vcpu->arch.walk_mmu->gva_to_gpa(vcpu, gva, access, exception); in kvm_mmu_gva_to_gpa_fetch()
6122 return vcpu->arch.walk_mmu->gva_to_gpa(vcpu, gva, access, exception); in kvm_mmu_gva_to_gpa_write()
6129 return vcpu->arch.walk_mmu->gva_to_gpa(vcpu, gva, 0, exception); in kvm_mmu_gva_to_gpa_system()
6140 gpa_t gpa = vcpu->arch.walk_mmu->gva_to_gpa(vcpu, addr, access, in kvm_read_guest_virt_helper()
6142 unsigned offset = addr & (PAGE_SIZE-1); in kvm_read_guest_virt_helper()
6143 unsigned toread = min(bytes, (unsigned)PAGE_SIZE - offset); in kvm_read_guest_virt_helper()
6155 bytes -= toread; in kvm_read_guest_virt_helper()
6174 gpa_t gpa = vcpu->arch.walk_mmu->gva_to_gpa(vcpu, addr, access|PFERR_FETCH_MASK, in kvm_fetch_guest_virt()
6179 offset = addr & (PAGE_SIZE-1); in kvm_fetch_guest_virt()
6181 bytes = (unsigned)PAGE_SIZE - offset; in kvm_fetch_guest_virt()
6238 gpa_t gpa = vcpu->arch.walk_mmu->gva_to_gpa(vcpu, addr, in kvm_write_guest_virt_helper()
6241 unsigned offset = addr & (PAGE_SIZE-1); in kvm_write_guest_virt_helper()
6242 unsigned towrite = min(bytes, (unsigned)PAGE_SIZE - offset); in kvm_write_guest_virt_helper()
6253 bytes -= towrite; in kvm_write_guest_virt_helper()
6279 vcpu->arch.l1tf_flush_l1d = true; in kvm_write_guest_virt_system()
6336 && !permission_fault(vcpu, vcpu->arch.walk_mmu, in vcpu_mmio_gva_to_gpa()
6337 vcpu->arch.mmio_access, 0, access)) { in vcpu_mmio_gva_to_gpa()
6338 *gpa = vcpu->arch.mmio_gfn << PAGE_SHIFT | in vcpu_mmio_gva_to_gpa()
6339 (gva & (PAGE_SIZE - 1)); in vcpu_mmio_gva_to_gpa()
6344 *gpa = vcpu->arch.walk_mmu->gva_to_gpa(vcpu, gva, access, exception); in vcpu_mmio_gva_to_gpa()
6347 return -1; in vcpu_mmio_gva_to_gpa()
6378 if (vcpu->mmio_read_completed) { in read_prepare()
6380 vcpu->mmio_fragments[0].gpa, val); in read_prepare()
6381 vcpu->mmio_read_completed = 0; in read_prepare()
6416 struct kvm_mmio_fragment *frag = &vcpu->mmio_fragments[0]; in write_exit_mmio()
6418 memcpy(vcpu->run->mmio.data, frag->data, min(8u, frag->len)); in write_exit_mmio()
6444 bool write = ops->write; in emulator_read_write_onepage()
6446 struct x86_emulate_ctxt *ctxt = vcpu->arch.emulate_ctxt; in emulator_read_write_onepage()
6455 if (ctxt->gpa_available && emulator_can_use_gpa(ctxt) && in emulator_read_write_onepage()
6456 (addr & ~PAGE_MASK) == (ctxt->gpa_val & ~PAGE_MASK)) { in emulator_read_write_onepage()
6457 gpa = ctxt->gpa_val; in emulator_read_write_onepage()
6465 if (!ret && ops->read_write_emulate(vcpu, gpa, val, bytes)) in emulator_read_write_onepage()
6471 handled = ops->read_write_mmio(vcpu, gpa, bytes, val); in emulator_read_write_onepage()
6476 bytes -= handled; in emulator_read_write_onepage()
6479 WARN_ON(vcpu->mmio_nr_fragments >= KVM_MAX_MMIO_FRAGMENTS); in emulator_read_write_onepage()
6480 frag = &vcpu->mmio_fragments[vcpu->mmio_nr_fragments++]; in emulator_read_write_onepage()
6481 frag->gpa = gpa; in emulator_read_write_onepage()
6482 frag->data = val; in emulator_read_write_onepage()
6483 frag->len = bytes; in emulator_read_write_onepage()
6497 if (ops->read_write_prepare && in emulator_read_write()
6498 ops->read_write_prepare(vcpu, val, bytes)) in emulator_read_write()
6501 vcpu->mmio_nr_fragments = 0; in emulator_read_write()
6504 if (((addr + bytes - 1) ^ addr) & PAGE_MASK) { in emulator_read_write()
6507 now = -addr & ~PAGE_MASK; in emulator_read_write()
6514 if (ctxt->mode != X86EMUL_MODE_PROT64) in emulator_read_write()
6517 bytes -= now; in emulator_read_write()
6525 if (!vcpu->mmio_nr_fragments) in emulator_read_write()
6528 gpa = vcpu->mmio_fragments[0].gpa; in emulator_read_write()
6530 vcpu->mmio_needed = 1; in emulator_read_write()
6531 vcpu->mmio_cur_fragment = 0; in emulator_read_write()
6533 vcpu->run->mmio.len = min(8u, vcpu->mmio_fragments[0].len); in emulator_read_write()
6534 vcpu->run->mmio.is_write = vcpu->mmio_is_write = ops->write; in emulator_read_write()
6535 vcpu->run->exit_reason = KVM_EXIT_MMIO; in emulator_read_write()
6536 vcpu->run->mmio.phys_addr = gpa; in emulator_read_write()
6538 return ops->read_write_exit_mmio(vcpu, gpa, val, bytes); in emulator_read_write()
6586 if (bytes > 8 || (bytes & (bytes - 1))) in emulator_cmpxchg_emulated()
6600 page_line_mask = ~(cache_line_size() - 1); in emulator_cmpxchg_emulated()
6604 if (((gpa + bytes - 1) & page_line_mask) != (gpa & page_line_mask)) in emulator_cmpxchg_emulated()
6648 for (i = 0; i < vcpu->arch.pio.count; i++) { in kernel_pio()
6649 if (vcpu->arch.pio.in) in kernel_pio()
6650 r = kvm_io_bus_read(vcpu, KVM_PIO_BUS, vcpu->arch.pio.port, in kernel_pio()
6651 vcpu->arch.pio.size, pd); in kernel_pio()
6654 vcpu->arch.pio.port, vcpu->arch.pio.size, in kernel_pio()
6658 pd += vcpu->arch.pio.size; in kernel_pio()
6667 vcpu->arch.pio.port = port; in emulator_pio_in_out()
6668 vcpu->arch.pio.in = in; in emulator_pio_in_out()
6669 vcpu->arch.pio.count = count; in emulator_pio_in_out()
6670 vcpu->arch.pio.size = size; in emulator_pio_in_out()
6672 if (!kernel_pio(vcpu, vcpu->arch.pio_data)) { in emulator_pio_in_out()
6673 vcpu->arch.pio.count = 0; in emulator_pio_in_out()
6677 vcpu->run->exit_reason = KVM_EXIT_IO; in emulator_pio_in_out()
6678 vcpu->run->io.direction = in ? KVM_EXIT_IO_IN : KVM_EXIT_IO_OUT; in emulator_pio_in_out()
6679 vcpu->run->io.size = size; in emulator_pio_in_out()
6680 vcpu->run->io.data_offset = KVM_PIO_PAGE_OFFSET * PAGE_SIZE; in emulator_pio_in_out()
6681 vcpu->run->io.count = count; in emulator_pio_in_out()
6682 vcpu->run->io.port = port; in emulator_pio_in_out()
6692 if (vcpu->arch.pio.count) in emulator_pio_in()
6695 memset(vcpu->arch.pio_data, 0, size * count); in emulator_pio_in()
6700 memcpy(val, vcpu->arch.pio_data, size * count); in emulator_pio_in()
6701 trace_kvm_pio(KVM_PIO_IN, port, size, count, vcpu->arch.pio_data); in emulator_pio_in()
6702 vcpu->arch.pio.count = 0; in emulator_pio_in()
6721 memcpy(vcpu->arch.pio_data, val, size * count); in emulator_pio_out()
6722 trace_kvm_pio(KVM_PIO_OUT, port, size, count, vcpu->arch.pio_data); in emulator_pio_out()
6751 cpumask_set_cpu(cpu, vcpu->arch.wbinvd_dirty_mask); in kvm_emulate_wbinvd_noskip()
6752 smp_call_function_many(vcpu->arch.wbinvd_dirty_mask, in kvm_emulate_wbinvd_noskip()
6755 cpumask_clear(vcpu->arch.wbinvd_dirty_mask); in kvm_emulate_wbinvd_noskip()
6790 return (curr_cr & ~((1ULL << 32) - 1)) | new_val; in mk_cr_64()
6803 value = vcpu->arch.cr2; in emulator_get_cr()
6832 vcpu->arch.cr2 = val; in emulator_set_cr()
6845 res = -1; in emulator_set_cr()
6901 set_desc_base(desc, (unsigned long)var.base); in emulator_get_segment()
6904 *base3 = var.base >> 32; in emulator_get_segment()
6906 desc->type = var.type; in emulator_get_segment()
6907 desc->s = var.s; in emulator_get_segment()
6908 desc->dpl = var.dpl; in emulator_get_segment()
6909 desc->p = var.present; in emulator_get_segment()
6910 desc->avl = var.avl; in emulator_get_segment()
6911 desc->l = var.l; in emulator_get_segment()
6912 desc->d = var.db; in emulator_get_segment()
6913 desc->g = var.g; in emulator_get_segment()
6926 var.base = get_desc_base(desc); in emulator_set_segment()
6928 var.base |= ((u64)base3) << 32; in emulator_set_segment()
6931 if (desc->g) in emulator_set_segment()
6933 var.type = desc->type; in emulator_set_segment()
6934 var.dpl = desc->dpl; in emulator_set_segment()
6935 var.db = desc->d; in emulator_set_segment()
6936 var.s = desc->s; in emulator_set_segment()
6937 var.l = desc->l; in emulator_set_segment()
6938 var.g = desc->g; in emulator_set_segment()
6939 var.avl = desc->avl; in emulator_set_segment()
6940 var.present = desc->p; in emulator_set_segment()
6984 return vcpu->arch.smbase; in emulator_get_smbase()
6991 vcpu->arch.smbase = smbase; in emulator_set_smbase()
7008 emul_to_vcpu(ctxt)->arch.halt_request = 1; in emulator_halt()
7016 &ctxt->exception); in emulator_intercept()
7063 return emul_to_vcpu(ctxt)->arch.hflags; in emulator_get_hflags()
7070 vcpu->arch.hflags = emul_flags; in emulator_set_hflags()
7159 struct x86_emulate_ctxt *ctxt = vcpu->arch.emulate_ctxt; in inject_emulated_exception()
7160 if (ctxt->exception.vector == PF_VECTOR) in inject_emulated_exception()
7161 return kvm_inject_emulated_page_fault(vcpu, &ctxt->exception); in inject_emulated_exception()
7163 if (ctxt->exception.error_code_valid) in inject_emulated_exception()
7164 kvm_queue_exception_e(vcpu, ctxt->exception.vector, in inject_emulated_exception()
7165 ctxt->exception.error_code); in inject_emulated_exception()
7167 kvm_queue_exception(vcpu, ctxt->exception.vector); in inject_emulated_exception()
7181 ctxt->vcpu = vcpu; in alloc_emulate_ctxt()
7182 ctxt->ops = &emulate_ops; in alloc_emulate_ctxt()
7183 vcpu->arch.emulate_ctxt = ctxt; in alloc_emulate_ctxt()
7190 struct x86_emulate_ctxt *ctxt = vcpu->arch.emulate_ctxt; in init_emulate_ctxt()
7195 ctxt->gpa_available = false; in init_emulate_ctxt()
7196 ctxt->eflags = kvm_get_rflags(vcpu); in init_emulate_ctxt()
7197 ctxt->tf = (ctxt->eflags & X86_EFLAGS_TF) != 0; in init_emulate_ctxt()
7199 ctxt->eip = kvm_rip_read(vcpu); in init_emulate_ctxt()
7200 ctxt->mode = (!is_protmode(vcpu)) ? X86EMUL_MODE_REAL : in init_emulate_ctxt()
7201 (ctxt->eflags & X86_EFLAGS_VM) ? X86EMUL_MODE_VM86 : in init_emulate_ctxt()
7209 ctxt->interruptibility = 0; in init_emulate_ctxt()
7210 ctxt->have_exception = false; in init_emulate_ctxt()
7211 ctxt->exception.vector = -1; in init_emulate_ctxt()
7212 ctxt->perm_ok = false; in init_emulate_ctxt()
7215 vcpu->arch.emulate_regs_need_sync_from_vcpu = false; in init_emulate_ctxt()
7220 struct x86_emulate_ctxt *ctxt = vcpu->arch.emulate_ctxt; in kvm_inject_realmode_interrupt()
7225 ctxt->op_bytes = 2; in kvm_inject_realmode_interrupt()
7226 ctxt->ad_bytes = 2; in kvm_inject_realmode_interrupt()
7227 ctxt->_eip = ctxt->eip + inc_eip; in kvm_inject_realmode_interrupt()
7233 ctxt->eip = ctxt->_eip; in kvm_inject_realmode_interrupt()
7234 kvm_rip_write(vcpu, ctxt->eip); in kvm_inject_realmode_interrupt()
7235 kvm_set_rflags(vcpu, ctxt->eflags); in kvm_inject_realmode_interrupt()
7242 ++vcpu->stat.insn_emulation_fail; in handle_emulation_failure()
7251 vcpu->run->exit_reason = KVM_EXIT_INTERNAL_ERROR; in handle_emulation_failure()
7252 vcpu->run->internal.suberror = KVM_INTERNAL_ERROR_EMULATION; in handle_emulation_failure()
7253 vcpu->run->internal.ndata = 0; in handle_emulation_failure()
7260 vcpu->run->exit_reason = KVM_EXIT_INTERNAL_ERROR; in handle_emulation_failure()
7261 vcpu->run->internal.suberror = KVM_INTERNAL_ERROR_EMULATION; in handle_emulation_failure()
7262 vcpu->run->internal.ndata = 0; in handle_emulation_failure()
7283 if (!vcpu->arch.mmu->direct_map) { in reexecute_instruction()
7301 * retry instruction -> write #PF -> emulation fail -> retry in reexecute_instruction()
7302 * instruction -> ... in reexecute_instruction()
7304 pfn = gfn_to_pfn(vcpu->kvm, gpa_to_gfn(gpa)); in reexecute_instruction()
7315 /* The instructions are well-emulated on direct mmu. */ in reexecute_instruction()
7316 if (vcpu->arch.mmu->direct_map) { in reexecute_instruction()
7319 spin_lock(&vcpu->kvm->mmu_lock); in reexecute_instruction()
7320 indirect_shadow_pages = vcpu->kvm->arch.indirect_shadow_pages; in reexecute_instruction()
7321 spin_unlock(&vcpu->kvm->mmu_lock); in reexecute_instruction()
7324 kvm_mmu_unprotect_page(vcpu->kvm, gpa_to_gfn(gpa)); in reexecute_instruction()
7331 * and it failed try to unshadow page and re-enter the in reexecute_instruction()
7334 kvm_mmu_unprotect_page(vcpu->kvm, gpa_to_gfn(gpa)); in reexecute_instruction()
7350 last_retry_eip = vcpu->arch.last_retry_eip; in retry_instruction()
7351 last_retry_addr = vcpu->arch.last_retry_addr; in retry_instruction()
7354 * If the emulation is caused by #PF and it is non-page_table in retry_instruction()
7355 * writing instruction, it means the VM-EXIT is caused by shadow in retry_instruction()
7359 * Note: if the guest uses a non-page-table modifying instruction in retry_instruction()
7366 vcpu->arch.last_retry_eip = vcpu->arch.last_retry_addr = 0; in retry_instruction()
7378 if (ctxt->eip == last_retry_eip && last_retry_addr == cr2_or_gpa) in retry_instruction()
7381 vcpu->arch.last_retry_eip = ctxt->eip; in retry_instruction()
7382 vcpu->arch.last_retry_addr = cr2_or_gpa; in retry_instruction()
7384 if (!vcpu->arch.mmu->direct_map) in retry_instruction()
7387 kvm_mmu_unprotect_page(vcpu->kvm, gpa_to_gfn(gpa)); in retry_instruction()
7397 if (!(vcpu->arch.hflags & HF_SMM_MASK)) { in kvm_smm_changed()
7399 trace_kvm_enter_smm(vcpu->vcpu_id, vcpu->arch.smbase, false); in kvm_smm_changed()
7425 struct kvm_run *kvm_run = vcpu->run; in kvm_vcpu_do_singlestep()
7427 if (vcpu->guest_debug & KVM_GUESTDBG_SINGLESTEP) { in kvm_vcpu_do_singlestep()
7428 kvm_run->debug.arch.dr6 = DR6_BS | DR6_FIXED_1 | DR6_RTM; in kvm_vcpu_do_singlestep()
7429 kvm_run->debug.arch.pc = kvm_get_linear_rip(vcpu); in kvm_vcpu_do_singlestep()
7430 kvm_run->debug.arch.exception = DB_VECTOR; in kvm_vcpu_do_singlestep()
7431 kvm_run->exit_reason = KVM_EXIT_DEBUG; in kvm_vcpu_do_singlestep()
7463 if (unlikely(vcpu->guest_debug & KVM_GUESTDBG_USE_HW_BP) && in kvm_vcpu_check_code_breakpoint()
7464 (vcpu->arch.guest_debug_dr7 & DR7_BP_EN_MASK)) { in kvm_vcpu_check_code_breakpoint()
7465 struct kvm_run *kvm_run = vcpu->run; in kvm_vcpu_check_code_breakpoint()
7468 vcpu->arch.guest_debug_dr7, in kvm_vcpu_check_code_breakpoint()
7469 vcpu->arch.eff_db); in kvm_vcpu_check_code_breakpoint()
7472 kvm_run->debug.arch.dr6 = dr6 | DR6_FIXED_1 | DR6_RTM; in kvm_vcpu_check_code_breakpoint()
7473 kvm_run->debug.arch.pc = eip; in kvm_vcpu_check_code_breakpoint()
7474 kvm_run->debug.arch.exception = DB_VECTOR; in kvm_vcpu_check_code_breakpoint()
7475 kvm_run->exit_reason = KVM_EXIT_DEBUG; in kvm_vcpu_check_code_breakpoint()
7481 if (unlikely(vcpu->arch.dr7 & DR7_BP_EN_MASK) && in kvm_vcpu_check_code_breakpoint()
7485 vcpu->arch.dr7, in kvm_vcpu_check_code_breakpoint()
7486 vcpu->arch.db); in kvm_vcpu_check_code_breakpoint()
7500 switch (ctxt->opcode_len) { in is_vmware_backdoor_opcode()
7502 switch (ctxt->b) { in is_vmware_backdoor_opcode()
7519 switch (ctxt->b) { in is_vmware_backdoor_opcode()
7532 * (and wrong) when emulating on an intercepted fault-like exception[*], as
7542 struct x86_emulate_ctxt *ctxt = vcpu->arch.emulate_ctxt; in x86_decode_emulated_instruction()
7547 ctxt->ud = emulation_type & EMULTYPE_TRAP_UD; in x86_decode_emulated_instruction()
7552 ++vcpu->stat.insn_emulation; in x86_decode_emulated_instruction()
7562 struct x86_emulate_ctxt *ctxt = vcpu->arch.emulate_ctxt; in x86_emulate_instruction()
7569 vcpu->arch.l1tf_flush_l1d = true; in x86_emulate_instruction()
7575 write_fault_to_spt = vcpu->arch.write_fault_to_shadow_pgtable; in x86_emulate_instruction()
7576 vcpu->arch.write_fault_to_shadow_pgtable = false; in x86_emulate_instruction()
7583 * are fault-like and are higher priority than any faults on in x86_emulate_instruction()
7603 if (ctxt->have_exception && in x86_emulate_instruction()
7606 * #UD should result in just EMULATION_FAILED, and trap-like in x86_emulate_instruction()
7609 WARN_ON_ONCE(ctxt->exception.vector == UD_VECTOR || in x86_emulate_instruction()
7610 exception_type(ctxt->exception.vector) == EXCPT_TRAP); in x86_emulate_instruction()
7627 * updating interruptibility state and injecting single-step #DBs. in x86_emulate_instruction()
7630 kvm_rip_write(vcpu, ctxt->_eip); in x86_emulate_instruction()
7631 if (ctxt->eflags & X86_EFLAGS_RF) in x86_emulate_instruction()
7632 kvm_set_rflags(vcpu, ctxt->eflags & ~X86_EFLAGS_RF); in x86_emulate_instruction()
7641 if (vcpu->arch.emulate_regs_need_sync_from_vcpu) { in x86_emulate_instruction()
7642 vcpu->arch.emulate_regs_need_sync_from_vcpu = false; in x86_emulate_instruction()
7649 ctxt->exception.address = cr2_or_gpa; in x86_emulate_instruction()
7652 if (vcpu->arch.mmu->direct_map) { in x86_emulate_instruction()
7653 ctxt->gpa_available = true; in x86_emulate_instruction()
7654 ctxt->gpa_val = cr2_or_gpa; in x86_emulate_instruction()
7658 ctxt->exception.address = 0; in x86_emulate_instruction()
7674 if (ctxt->have_exception) { in x86_emulate_instruction()
7678 } else if (vcpu->arch.pio.count) { in x86_emulate_instruction()
7679 if (!vcpu->arch.pio.in) { in x86_emulate_instruction()
7680 /* FIXME: return into emulator if single-stepping. */ in x86_emulate_instruction()
7681 vcpu->arch.pio.count = 0; in x86_emulate_instruction()
7684 vcpu->arch.complete_userspace_io = complete_emulated_pio; in x86_emulate_instruction()
7687 } else if (vcpu->mmio_needed) { in x86_emulate_instruction()
7688 ++vcpu->stat.mmio_exits; in x86_emulate_instruction()
7690 if (!vcpu->mmio_is_write) in x86_emulate_instruction()
7693 vcpu->arch.complete_userspace_io = complete_emulated_mmio; in x86_emulate_instruction()
7701 toggle_interruptibility(vcpu, ctxt->interruptibility); in x86_emulate_instruction()
7702 vcpu->arch.emulate_regs_need_sync_to_vcpu = false; in x86_emulate_instruction()
7705 * Note, EXCPT_DB is assumed to be fault-like as the emulator in x86_emulate_instruction()
7707 * of which are fault-like. in x86_emulate_instruction()
7709 if (!ctxt->have_exception || in x86_emulate_instruction()
7710 exception_type(ctxt->exception.vector) == EXCPT_TRAP) { in x86_emulate_instruction()
7711 kvm_rip_write(vcpu, ctxt->eip); in x86_emulate_instruction()
7712 if (r && (ctxt->tf || (vcpu->guest_debug & KVM_GUESTDBG_SINGLESTEP))) in x86_emulate_instruction()
7716 __kvm_set_rflags(vcpu, ctxt->eflags); in x86_emulate_instruction()
7725 if (unlikely((ctxt->eflags & ~rflags) & X86_EFLAGS_IF)) in x86_emulate_instruction()
7728 vcpu->arch.emulate_regs_need_sync_to_vcpu = true; in x86_emulate_instruction()
7748 vcpu->arch.pio.count = 0; in complete_fast_pio_out_port_0x7e()
7754 vcpu->arch.pio.count = 0; in complete_fast_pio_out()
7756 if (unlikely(!kvm_is_linear_rip(vcpu, vcpu->arch.pio.linear_rip))) in complete_fast_pio_out()
7776 kvm_check_has_quirk(vcpu->kvm, KVM_X86_QUIRK_OUT_7E_INC_RIP)) { in kvm_fast_pio_out()
7777 vcpu->arch.complete_userspace_io = in kvm_fast_pio_out()
7781 vcpu->arch.pio.linear_rip = kvm_get_linear_rip(vcpu); in kvm_fast_pio_out()
7782 vcpu->arch.complete_userspace_io = complete_fast_pio_out; in kvm_fast_pio_out()
7792 BUG_ON(vcpu->arch.pio.count != 1); in complete_fast_pio_in()
7794 if (unlikely(!kvm_is_linear_rip(vcpu, vcpu->arch.pio.linear_rip))) { in complete_fast_pio_in()
7795 vcpu->arch.pio.count = 0; in complete_fast_pio_in()
7800 val = (vcpu->arch.pio.size < 4) ? kvm_rax_read(vcpu) : 0; in complete_fast_pio_in()
7803 * Since vcpu->arch.pio.count == 1 let emulator_pio_in perform in complete_fast_pio_in()
7806 emulator_pio_in(vcpu, vcpu->arch.pio.size, vcpu->arch.pio.port, &val, 1); in complete_fast_pio_in()
7827 vcpu->arch.pio.linear_rip = kvm_get_linear_rip(vcpu); in kvm_fast_pio_in()
7828 vcpu->arch.complete_userspace_io = complete_fast_pio_in; in kvm_fast_pio_in()
7857 khz = freq->new; in tsc_khz_changed()
7878 /* TSC frequency always matches when on Hyper-V */ in kvm_hyperv_tsc_notifier()
7884 struct kvm_arch *ka = &kvm->arch; in kvm_hyperv_tsc_notifier()
7886 spin_lock(&ka->pvclock_gtod_sync_lock); in kvm_hyperv_tsc_notifier()
7896 spin_unlock(&ka->pvclock_gtod_sync_lock); in kvm_hyperv_tsc_notifier()
7952 if (vcpu->cpu != cpu) in __kvmclock_cpufreq_notifier()
7955 if (vcpu->cpu != raw_smp_processor_id()) in __kvmclock_cpufreq_notifier()
7961 if (freq->old < freq->new && send_ipi) { in __kvmclock_cpufreq_notifier()
7984 if (val == CPUFREQ_PRECHANGE && freq->old > freq->new) in kvmclock_cpufreq_notifier()
7986 if (val == CPUFREQ_POSTCHANGE && freq->old < freq->new) in kvmclock_cpufreq_notifier()
7989 for_each_cpu(cpu, freq->policy->cpus) in kvmclock_cpufreq_notifier()
8017 if (policy->cpuinfo.max_freq) in kvm_timer_init()
8018 max_tsc_khz = policy->cpuinfo.max_freq; in kvm_timer_init()
8065 (unsigned long *)&vcpu->arch.pmu.global_status); in kvm_handle_intel_pt_intr()
8121 if (!gtod_is_based_on_tsc(gtod->clock.vclock_mode) && in pvclock_gtod_notify()
8139 r = -EEXIST; in kvm_arch_init()
8143 if (!ops->cpu_has_kvm_support()) { in kvm_arch_init()
8145 r = -EOPNOTSUPP; in kvm_arch_init()
8148 if (ops->disabled_by_bios()) { in kvm_arch_init()
8150 r = -EOPNOTSUPP; in kvm_arch_init()
8161 r = -EOPNOTSUPP; in kvm_arch_init()
8165 r = -ENOMEM; in kvm_arch_init()
8195 if (ops->intel_pt_intr_in_guest && ops->intel_pt_intr_in_guest()) in kvm_arch_init()
8205 if (pi_inject_timer == -1) in kvm_arch_init()
8254 ++vcpu->stat.halt_exits; in kvm_vcpu_halt()
8256 vcpu->arch.mp_state = KVM_MP_STATE_HALTED; in kvm_vcpu_halt()
8259 vcpu->run->exit_reason = KVM_EXIT_HLT; in kvm_vcpu_halt()
8269 * TODO: we might be squashing a GUESTDBG_SINGLESTEP-triggered in kvm_emulate_halt()
8286 return -KVM_EOPNOTSUPP; in kvm_pv_clock_pairing()
8289 return -KVM_EOPNOTSUPP; in kvm_pv_clock_pairing()
8298 if (kvm_write_guest(vcpu->kvm, paddr, &clock_pairing, in kvm_pv_clock_pairing()
8300 ret = -KVM_EFAULT; in kvm_pv_clock_pairing()
8309 * @apicid - apicid of vcpu to be kicked.
8329 return (READ_ONCE(kvm->arch.apicv_inhibit_reasons) == 0); in kvm_apicv_activated()
8337 &kvm->arch.apicv_inhibit_reasons); in kvm_apicv_init()
8340 &kvm->arch.apicv_inhibit_reasons); in kvm_apicv_init()
8350 map = rcu_dereference(kvm->arch.apic_map); in kvm_sched_yield()
8352 if (likely(map) && dest_id <= map->max_apic_id && map->phys_map[dest_id]) in kvm_sched_yield()
8353 target = map->phys_map[dest_id]->vcpu; in kvm_sched_yield()
8357 if (target && READ_ONCE(target->ready)) in kvm_sched_yield()
8366 if (kvm_hv_hypercall_enabled(vcpu->kvm)) in kvm_emulate_hypercall()
8387 ret = -KVM_EPERM; in kvm_emulate_hypercall()
8391 ret = -KVM_ENOSYS; in kvm_emulate_hypercall()
8401 kvm_pv_kick_cpu_op(vcpu->kvm, a0, a1); in kvm_emulate_hypercall()
8402 kvm_sched_yield(vcpu->kvm, a1); in kvm_emulate_hypercall()
8414 ret = kvm_pv_send_ipi(vcpu->kvm, a0, a1, a2, a3, op_64_bit); in kvm_emulate_hypercall()
8420 kvm_sched_yield(vcpu->kvm, a0); in kvm_emulate_hypercall()
8424 ret = -KVM_ENOSYS; in kvm_emulate_hypercall()
8432 ++vcpu->stat.hypercalls; in kvm_emulate_hypercall()
8446 &ctxt->exception); in emulator_fix_hypercall()
8451 return vcpu->run->request_interrupt_window && in dm_request_for_irq_injection()
8452 likely(!pic_in_kernel(vcpu->kvm)); in dm_request_for_irq_injection()
8457 struct kvm_run *kvm_run = vcpu->run; in post_kvm_run_save()
8459 kvm_run->if_flag = (kvm_get_rflags(vcpu) & X86_EFLAGS_IF) != 0; in post_kvm_run_save()
8460 kvm_run->flags = is_smm(vcpu) ? KVM_RUN_X86_SMM : 0; in post_kvm_run_save()
8461 kvm_run->cr8 = kvm_get_cr8(vcpu); in post_kvm_run_save()
8462 kvm_run->apic_base = kvm_get_apic_base(vcpu); in post_kvm_run_save()
8463 kvm_run->ready_for_interrupt_injection = in post_kvm_run_save()
8464 pic_in_kernel(vcpu->kvm) || in post_kvm_run_save()
8478 if (vcpu->arch.apicv_active) in update_cr8_intercept()
8481 if (!vcpu->arch.apic->vapic_addr) in update_cr8_intercept()
8484 max_irr = -1; in update_cr8_intercept()
8486 if (max_irr != -1) in update_cr8_intercept()
8496 trace_kvm_inj_exception(vcpu->arch.exception.nr, in kvm_inject_exception()
8497 vcpu->arch.exception.has_error_code, in kvm_inject_exception()
8498 vcpu->arch.exception.error_code, in kvm_inject_exception()
8499 vcpu->arch.exception.injected); in kvm_inject_exception()
8501 if (vcpu->arch.exception.error_code && !is_protmode(vcpu)) in kvm_inject_exception()
8502 vcpu->arch.exception.error_code = false; in kvm_inject_exception()
8513 if (vcpu->arch.exception.injected) { in inject_pending_event()
8521 * Trap-like exceptions, e.g. #DB, have higher priority than in inject_pending_event()
8524 * Fault-like exceptions, e.g. #GP and #PF, are the lowest in inject_pending_event()
8526 * execution, i.e. a pending fault-like exception means the in inject_pending_event()
8531 else if (!vcpu->arch.exception.pending) { in inject_pending_event()
8532 if (vcpu->arch.nmi_injected) { in inject_pending_event()
8535 } else if (vcpu->arch.interrupt.injected) { in inject_pending_event()
8541 WARN_ON_ONCE(vcpu->arch.exception.injected && in inject_pending_event()
8542 vcpu->arch.exception.pending); in inject_pending_event()
8546 * in order for caller to determine if it should require immediate-exit in inject_pending_event()
8551 r = kvm_x86_ops.nested_ops->check_events(vcpu); in inject_pending_event()
8557 if (vcpu->arch.exception.pending) { in inject_pending_event()
8559 * Fault-class exceptions, except #DBs, set RF=1 in the RFLAGS in inject_pending_event()
8560 * value pushed on the stack. Trap-like exception and all #DBs in inject_pending_event()
8561 * leave RF as-is (KVM follows Intel's behavior in this regard; in inject_pending_event()
8566 * fault-like. They do _not_ set RF, a la code breakpoints. in inject_pending_event()
8568 if (exception_type(vcpu->arch.exception.nr) == EXCPT_FAULT) in inject_pending_event()
8572 if (vcpu->arch.exception.nr == DB_VECTOR) { in inject_pending_event()
8574 if (vcpu->arch.dr7 & DR7_GD) { in inject_pending_event()
8575 vcpu->arch.dr7 &= ~DR7_GD; in inject_pending_event()
8582 vcpu->arch.exception.pending = false; in inject_pending_event()
8583 vcpu->arch.exception.injected = true; in inject_pending_event()
8590 * due to architectural conditions (e.g. IF=0) a window-open exit in inject_pending_event()
8591 * will re-request KVM_REQ_EVENT. Sometimes however an event is pending in inject_pending_event()
8597 * The kvm_x86_ops hooks communicate this by returning -EBUSY. in inject_pending_event()
8599 if (vcpu->arch.smi_pending) { in inject_pending_event()
8600 r = can_inject ? kvm_x86_ops.smi_allowed(vcpu, true) : -EBUSY; in inject_pending_event()
8604 vcpu->arch.smi_pending = false; in inject_pending_event()
8605 ++vcpu->arch.smi_count; in inject_pending_event()
8612 if (vcpu->arch.nmi_pending) { in inject_pending_event()
8613 r = can_inject ? kvm_x86_ops.nmi_allowed(vcpu, true) : -EBUSY; in inject_pending_event()
8617 --vcpu->arch.nmi_pending; in inject_pending_event()
8618 vcpu->arch.nmi_injected = true; in inject_pending_event()
8623 if (vcpu->arch.nmi_pending) in inject_pending_event()
8628 r = can_inject ? kvm_x86_ops.interrupt_allowed(vcpu, true) : -EBUSY; in inject_pending_event()
8641 kvm_x86_ops.nested_ops->hv_timer_pending && in inject_pending_event()
8642 kvm_x86_ops.nested_ops->hv_timer_pending(vcpu)) in inject_pending_event()
8645 WARN_ON(vcpu->arch.exception.pending); in inject_pending_event()
8662 if (kvm_x86_ops.get_nmi_mask(vcpu) || vcpu->arch.nmi_injected) in process_nmi()
8665 vcpu->arch.nmi_pending += atomic_xchg(&vcpu->arch.nmi_queued, 0); in process_nmi()
8666 vcpu->arch.nmi_pending = min(vcpu->arch.nmi_pending, limit); in process_nmi()
8673 flags |= seg->g << 23; in enter_smm_get_segment_flags()
8674 flags |= seg->db << 22; in enter_smm_get_segment_flags()
8675 flags |= seg->l << 21; in enter_smm_get_segment_flags()
8676 flags |= seg->avl << 20; in enter_smm_get_segment_flags()
8677 flags |= seg->present << 15; in enter_smm_get_segment_flags()
8678 flags |= seg->dpl << 13; in enter_smm_get_segment_flags()
8679 flags |= seg->s << 12; in enter_smm_get_segment_flags()
8680 flags |= seg->type << 8; in enter_smm_get_segment_flags()
8695 offset = 0x7f2c + (n - 3) * 12; in enter_smm_save_seg_32()
8697 put_smstate(u32, buf, offset + 8, seg.base); in enter_smm_save_seg_32()
8716 put_smstate(u64, buf, offset + 8, seg.base); in enter_smm_save_seg_64()
8742 put_smstate(u32, buf, 0x7f64, seg.base); in enter_smm_save_state_32()
8748 put_smstate(u32, buf, 0x7f80, seg.base); in enter_smm_save_state_32()
8767 put_smstate(u32, buf, 0x7ef8, vcpu->arch.smbase); in enter_smm_save_state_32()
8779 put_smstate(u64, buf, 0x7ff8 - i * 8, kvm_register_read(vcpu, i)); in enter_smm_save_state_64()
8793 put_smstate(u32, buf, 0x7f00, vcpu->arch.smbase); in enter_smm_save_state_64()
8798 put_smstate(u64, buf, 0x7ed0, vcpu->arch.efer); in enter_smm_save_state_64()
8804 put_smstate(u64, buf, 0x7e98, seg.base); in enter_smm_save_state_64()
8814 put_smstate(u64, buf, 0x7e78, seg.base); in enter_smm_save_state_64()
8832 trace_kvm_enter_smm(vcpu->vcpu_id, vcpu->arch.smbase, true); in enter_smm()
8842 * Give pre_enter_smm() a chance to make ISA-specific changes to the in enter_smm()
8844 * the SMM state-save area. in enter_smm()
8848 vcpu->arch.hflags |= HF_SMM_MASK; in enter_smm()
8849 kvm_vcpu_write_guest(vcpu, vcpu->arch.smbase + 0xfe00, buf, sizeof(buf)); in enter_smm()
8852 vcpu->arch.hflags |= HF_SMM_INSIDE_NMI_MASK; in enter_smm()
8859 cr0 = vcpu->arch.cr0 & ~(X86_CR0_PE | X86_CR0_EM | X86_CR0_TS | X86_CR0_PG); in enter_smm()
8861 vcpu->arch.cr0 = cr0; in enter_smm()
8871 cs.selector = (vcpu->arch.smbase >> 4) & 0xffff; in enter_smm()
8872 cs.base = vcpu->arch.smbase; in enter_smm()
8875 ds.base = 0; in enter_smm()
8907 vcpu->arch.smi_pending = true; in process_smi()
8934 vcpu->arch.apicv_active = kvm_apicv_activated(vcpu->kvm); in kvm_vcpu_update_apicv()
8943 * In particular, kvm_request_apicv_update() expects kvm->srcu not to be
8945 * synchronize_srcu(&kvm->srcu).
8956 old = READ_ONCE(kvm->arch.apicv_inhibit_reasons); in kvm_request_apicv_update()
8965 old = cmpxchg(&kvm->arch.apicv_inhibit_reasons, expected, new); in kvm_request_apicv_update()
8993 bitmap_zero(vcpu->arch.ioapic_handled_vectors, 256); in vcpu_scan_ioapic()
8995 if (irqchip_split(vcpu->kvm)) in vcpu_scan_ioapic()
8996 kvm_scan_ioapic_routes(vcpu, vcpu->arch.ioapic_handled_vectors); in vcpu_scan_ioapic()
8998 if (vcpu->arch.apicv_active) in vcpu_scan_ioapic()
9000 if (ioapic_in_kernel(vcpu->kvm)) in vcpu_scan_ioapic()
9001 kvm_ioapic_scan_entry(vcpu, vcpu->arch.ioapic_handled_vectors); in vcpu_scan_ioapic()
9005 vcpu->arch.load_eoi_exitmap_pending = true; in vcpu_scan_ioapic()
9014 if (!kvm_apic_hw_enabled(vcpu->arch.apic)) in vcpu_load_eoi_exitmap()
9017 bitmap_or((ulong *)eoi_exit_bitmap, vcpu->arch.ioapic_handled_vectors, in vcpu_load_eoi_exitmap()
9018 vcpu_to_synic(vcpu)->vec_bitmap, 256); in vcpu_load_eoi_exitmap()
9055 smp_send_reschedule(vcpu->cpu); in __kvm_request_immediate_exit()
9076 if (unlikely(!kvm_x86_ops.nested_ops->get_nested_state_pages(vcpu))) { in vcpu_enter_guest()
9086 kvm_gen_update_masterclock(vcpu->kvm); in vcpu_enter_guest()
9110 vcpu->run->exit_reason = KVM_EXIT_TPR_ACCESS; in vcpu_enter_guest()
9115 vcpu->run->exit_reason = KVM_EXIT_SHUTDOWN; in vcpu_enter_guest()
9116 vcpu->mmio_needed = 0; in vcpu_enter_guest()
9122 vcpu->arch.apf.halted = true; in vcpu_enter_guest()
9137 BUG_ON(vcpu->arch.pending_ioapic_eoi > 255); in vcpu_enter_guest()
9138 if (test_bit(vcpu->arch.pending_ioapic_eoi, in vcpu_enter_guest()
9139 vcpu->arch.ioapic_handled_vectors)) { in vcpu_enter_guest()
9140 vcpu->run->exit_reason = KVM_EXIT_IOAPIC_EOI; in vcpu_enter_guest()
9141 vcpu->run->eoi.vector = in vcpu_enter_guest()
9142 vcpu->arch.pending_ioapic_eoi; in vcpu_enter_guest()
9154 vcpu->run->exit_reason = KVM_EXIT_SYSTEM_EVENT; in vcpu_enter_guest()
9155 vcpu->run->system_event.type = KVM_SYSTEM_EVENT_CRASH; in vcpu_enter_guest()
9160 vcpu->run->exit_reason = KVM_EXIT_SYSTEM_EVENT; in vcpu_enter_guest()
9161 vcpu->run->system_event.type = KVM_SYSTEM_EVENT_RESET; in vcpu_enter_guest()
9166 vcpu->run->exit_reason = KVM_EXIT_HYPERV; in vcpu_enter_guest()
9167 vcpu->run->hyperv = vcpu->arch.hyperv.exit; in vcpu_enter_guest()
9174 * KVM_REQ_CLOCK_UPDATE, because Hyper-V SynIC timers in vcpu_enter_guest()
9175 * depend on the guest clock being up-to-date in vcpu_enter_guest()
9188 ++vcpu->stat.req_event; in vcpu_enter_guest()
9190 if (vcpu->arch.mp_state == KVM_MP_STATE_INIT_RECEIVED) { in vcpu_enter_guest()
9220 vcpu->mode = IN_GUEST_MODE; in vcpu_enter_guest()
9222 srcu_read_unlock(&vcpu->kvm->srcu, vcpu->srcu_idx); in vcpu_enter_guest()
9225 * 1) We should set ->mode before checking ->requests. Please see in vcpu_enter_guest()
9228 * 2) For APICv, we should set ->mode before checking PID.ON. This in vcpu_enter_guest()
9242 if (kvm_lapic_enabled(vcpu) && vcpu->arch.apicv_active) in vcpu_enter_guest()
9246 vcpu->mode = OUTSIDE_GUEST_MODE; in vcpu_enter_guest()
9250 vcpu->srcu_idx = srcu_read_lock(&vcpu->kvm->srcu); in vcpu_enter_guest()
9266 if (unlikely(vcpu->arch.switch_db_regs)) { in vcpu_enter_guest()
9268 set_debugreg(vcpu->arch.eff_db[0], 0); in vcpu_enter_guest()
9269 set_debugreg(vcpu->arch.eff_db[1], 1); in vcpu_enter_guest()
9270 set_debugreg(vcpu->arch.eff_db[2], 2); in vcpu_enter_guest()
9271 set_debugreg(vcpu->arch.eff_db[3], 3); in vcpu_enter_guest()
9272 set_debugreg(vcpu->arch.dr6, 6); in vcpu_enter_guest()
9273 vcpu->arch.switch_db_regs &= ~KVM_DEBUGREG_RELOAD; in vcpu_enter_guest()
9286 if (unlikely(vcpu->arch.switch_db_regs & KVM_DEBUGREG_WONT_EXIT)) { in vcpu_enter_guest()
9287 WARN_ON(vcpu->guest_debug & KVM_GUESTDBG_USE_HW_BP); in vcpu_enter_guest()
9291 vcpu->arch.switch_db_regs &= ~KVM_DEBUGREG_RELOAD; in vcpu_enter_guest()
9304 vcpu->arch.last_vmentry_cpu = vcpu->cpu; in vcpu_enter_guest()
9305 vcpu->arch.last_guest_tsc = kvm_read_l1_tsc(vcpu, rdtsc()); in vcpu_enter_guest()
9307 vcpu->mode = OUTSIDE_GUEST_MODE; in vcpu_enter_guest()
9314 * VM-Exit on SVM and any ticks that occur between VM-Exit and now. in vcpu_enter_guest()
9321 ++vcpu->stat.exits; in vcpu_enter_guest()
9335 s64 delta = vcpu->arch.apic->lapic_timer.advance_expire_delta; in vcpu_enter_guest()
9337 trace_kvm_wait_lapic_expire(vcpu->vcpu_id, delta); in vcpu_enter_guest()
9338 vcpu->arch.apic->lapic_timer.advance_expire_delta = S64_MIN; in vcpu_enter_guest()
9345 vcpu->srcu_idx = srcu_read_lock(&vcpu->kvm->srcu); in vcpu_enter_guest()
9355 if (unlikely(vcpu->arch.tsc_always_catchup)) in vcpu_enter_guest()
9358 if (vcpu->arch.apic_attention) in vcpu_enter_guest()
9368 if (unlikely(vcpu->arch.apic_attention)) in vcpu_enter_guest()
9378 srcu_read_unlock(&kvm->srcu, vcpu->srcu_idx); in vcpu_block()
9380 vcpu->srcu_idx = srcu_read_lock(&kvm->srcu); in vcpu_block()
9390 switch(vcpu->arch.mp_state) { in vcpu_block()
9392 vcpu->arch.pv.pv_unhalted = false; in vcpu_block()
9393 vcpu->arch.mp_state = in vcpu_block()
9397 vcpu->arch.apf.halted = false; in vcpu_block()
9402 return -EINTR; in vcpu_block()
9410 kvm_x86_ops.nested_ops->check_events(vcpu); in kvm_vcpu_running()
9412 return (vcpu->arch.mp_state == KVM_MP_STATE_RUNNABLE && in kvm_vcpu_running()
9413 !vcpu->arch.apf.halted); in kvm_vcpu_running()
9419 struct kvm *kvm = vcpu->kvm; in vcpu_run()
9421 vcpu->srcu_idx = srcu_read_lock(&kvm->srcu); in vcpu_run()
9422 vcpu->arch.l1tf_flush_l1d = true; in vcpu_run()
9431 vcpu->arch.at_instruction_boundary = false; in vcpu_run()
9448 vcpu->run->exit_reason = KVM_EXIT_IRQ_WINDOW_OPEN; in vcpu_run()
9449 ++vcpu->stat.request_irq_exits; in vcpu_run()
9454 srcu_read_unlock(&kvm->srcu, vcpu->srcu_idx); in vcpu_run()
9458 vcpu->srcu_idx = srcu_read_lock(&kvm->srcu); in vcpu_run()
9462 srcu_read_unlock(&kvm->srcu, vcpu->srcu_idx); in vcpu_run()
9471 vcpu->srcu_idx = srcu_read_lock(&vcpu->kvm->srcu); in complete_emulated_io()
9473 srcu_read_unlock(&vcpu->kvm->srcu, vcpu->srcu_idx); in complete_emulated_io()
9479 BUG_ON(!vcpu->arch.pio.count); in complete_emulated_pio()
9504 struct kvm_run *run = vcpu->run; in complete_emulated_mmio()
9508 BUG_ON(!vcpu->mmio_needed); in complete_emulated_mmio()
9511 frag = &vcpu->mmio_fragments[vcpu->mmio_cur_fragment]; in complete_emulated_mmio()
9512 len = min(8u, frag->len); in complete_emulated_mmio()
9513 if (!vcpu->mmio_is_write) in complete_emulated_mmio()
9514 memcpy(frag->data, run->mmio.data, len); in complete_emulated_mmio()
9516 if (frag->len <= 8) { in complete_emulated_mmio()
9519 vcpu->mmio_cur_fragment++; in complete_emulated_mmio()
9522 frag->data += len; in complete_emulated_mmio()
9523 frag->gpa += len; in complete_emulated_mmio()
9524 frag->len -= len; in complete_emulated_mmio()
9527 if (vcpu->mmio_cur_fragment >= vcpu->mmio_nr_fragments) { in complete_emulated_mmio()
9528 vcpu->mmio_needed = 0; in complete_emulated_mmio()
9530 /* FIXME: return into emulator if single-stepping. */ in complete_emulated_mmio()
9531 if (vcpu->mmio_is_write) in complete_emulated_mmio()
9533 vcpu->mmio_read_completed = 1; in complete_emulated_mmio()
9537 run->exit_reason = KVM_EXIT_MMIO; in complete_emulated_mmio()
9538 run->mmio.phys_addr = frag->gpa; in complete_emulated_mmio()
9539 if (vcpu->mmio_is_write) in complete_emulated_mmio()
9540 memcpy(run->mmio.data, frag->data, min(8u, frag->len)); in complete_emulated_mmio()
9541 run->mmio.len = min(8u, frag->len); in complete_emulated_mmio()
9542 run->mmio.is_write = vcpu->mmio_is_write; in complete_emulated_mmio()
9543 vcpu->arch.complete_userspace_io = complete_emulated_mmio; in complete_emulated_mmio()
9554 memcpy(&fpu->state, ¤t->thread.fpu.state, in kvm_save_current_fpu()
9565 kvm_save_current_fpu(vcpu->arch.user_fpu); in kvm_load_guest_fpu()
9568 __copy_kernel_to_fpregs(&vcpu->arch.guest_fpu->state, in kvm_load_guest_fpu()
9582 kvm_save_current_fpu(vcpu->arch.guest_fpu); in kvm_put_guest_fpu()
9584 copy_kernel_to_fpregs(&vcpu->arch.user_fpu->state); in kvm_put_guest_fpu()
9589 ++vcpu->stat.fpu_reload; in kvm_put_guest_fpu()
9595 struct kvm_run *kvm_run = vcpu->run; in kvm_arch_vcpu_ioctl_run()
9602 if (unlikely(vcpu->arch.mp_state == KVM_MP_STATE_UNINITIALIZED)) { in kvm_arch_vcpu_ioctl_run()
9603 if (kvm_run->immediate_exit) { in kvm_arch_vcpu_ioctl_run()
9604 r = -EINTR; in kvm_arch_vcpu_ioctl_run()
9610 r = -EAGAIN; in kvm_arch_vcpu_ioctl_run()
9612 r = -EINTR; in kvm_arch_vcpu_ioctl_run()
9613 kvm_run->exit_reason = KVM_EXIT_INTR; in kvm_arch_vcpu_ioctl_run()
9614 ++vcpu->stat.signal_exits; in kvm_arch_vcpu_ioctl_run()
9619 if (kvm_run->kvm_valid_regs & ~KVM_SYNC_X86_VALID_FIELDS) { in kvm_arch_vcpu_ioctl_run()
9620 r = -EINVAL; in kvm_arch_vcpu_ioctl_run()
9624 if (kvm_run->kvm_dirty_regs) { in kvm_arch_vcpu_ioctl_run()
9630 /* re-sync apic's tpr */ in kvm_arch_vcpu_ioctl_run()
9632 if (kvm_set_cr8(vcpu, kvm_run->cr8) != 0) { in kvm_arch_vcpu_ioctl_run()
9633 r = -EINVAL; in kvm_arch_vcpu_ioctl_run()
9638 if (unlikely(vcpu->arch.complete_userspace_io)) { in kvm_arch_vcpu_ioctl_run()
9639 int (*cui)(struct kvm_vcpu *) = vcpu->arch.complete_userspace_io; in kvm_arch_vcpu_ioctl_run()
9640 vcpu->arch.complete_userspace_io = NULL; in kvm_arch_vcpu_ioctl_run()
9645 WARN_ON(vcpu->arch.pio.count || vcpu->mmio_needed); in kvm_arch_vcpu_ioctl_run()
9647 if (kvm_run->immediate_exit) in kvm_arch_vcpu_ioctl_run()
9648 r = -EINTR; in kvm_arch_vcpu_ioctl_run()
9654 if (kvm_run->kvm_valid_regs) in kvm_arch_vcpu_ioctl_run()
9665 if (vcpu->arch.emulate_regs_need_sync_to_vcpu) { in __get_regs()
9673 emulator_writeback_register_cache(vcpu->arch.emulate_ctxt); in __get_regs()
9674 vcpu->arch.emulate_regs_need_sync_to_vcpu = false; in __get_regs()
9676 regs->rax = kvm_rax_read(vcpu); in __get_regs()
9677 regs->rbx = kvm_rbx_read(vcpu); in __get_regs()
9678 regs->rcx = kvm_rcx_read(vcpu); in __get_regs()
9679 regs->rdx = kvm_rdx_read(vcpu); in __get_regs()
9680 regs->rsi = kvm_rsi_read(vcpu); in __get_regs()
9681 regs->rdi = kvm_rdi_read(vcpu); in __get_regs()
9682 regs->rsp = kvm_rsp_read(vcpu); in __get_regs()
9683 regs->rbp = kvm_rbp_read(vcpu); in __get_regs()
9685 regs->r8 = kvm_r8_read(vcpu); in __get_regs()
9686 regs->r9 = kvm_r9_read(vcpu); in __get_regs()
9687 regs->r10 = kvm_r10_read(vcpu); in __get_regs()
9688 regs->r11 = kvm_r11_read(vcpu); in __get_regs()
9689 regs->r12 = kvm_r12_read(vcpu); in __get_regs()
9690 regs->r13 = kvm_r13_read(vcpu); in __get_regs()
9691 regs->r14 = kvm_r14_read(vcpu); in __get_regs()
9692 regs->r15 = kvm_r15_read(vcpu); in __get_regs()
9695 regs->rip = kvm_rip_read(vcpu); in __get_regs()
9696 regs->rflags = kvm_get_rflags(vcpu); in __get_regs()
9709 vcpu->arch.emulate_regs_need_sync_from_vcpu = true; in __set_regs()
9710 vcpu->arch.emulate_regs_need_sync_to_vcpu = false; in __set_regs()
9712 kvm_rax_write(vcpu, regs->rax); in __set_regs()
9713 kvm_rbx_write(vcpu, regs->rbx); in __set_regs()
9714 kvm_rcx_write(vcpu, regs->rcx); in __set_regs()
9715 kvm_rdx_write(vcpu, regs->rdx); in __set_regs()
9716 kvm_rsi_write(vcpu, regs->rsi); in __set_regs()
9717 kvm_rdi_write(vcpu, regs->rdi); in __set_regs()
9718 kvm_rsp_write(vcpu, regs->rsp); in __set_regs()
9719 kvm_rbp_write(vcpu, regs->rbp); in __set_regs()
9721 kvm_r8_write(vcpu, regs->r8); in __set_regs()
9722 kvm_r9_write(vcpu, regs->r9); in __set_regs()
9723 kvm_r10_write(vcpu, regs->r10); in __set_regs()
9724 kvm_r11_write(vcpu, regs->r11); in __set_regs()
9725 kvm_r12_write(vcpu, regs->r12); in __set_regs()
9726 kvm_r13_write(vcpu, regs->r13); in __set_regs()
9727 kvm_r14_write(vcpu, regs->r14); in __set_regs()
9728 kvm_r15_write(vcpu, regs->r15); in __set_regs()
9731 kvm_rip_write(vcpu, regs->rip); in __set_regs()
9732 kvm_set_rflags(vcpu, regs->rflags | X86_EFLAGS_FIXED); in __set_regs()
9734 vcpu->arch.exception.pending = false; in __set_regs()
9761 kvm_get_segment(vcpu, &sregs->cs, VCPU_SREG_CS); in __get_sregs()
9762 kvm_get_segment(vcpu, &sregs->ds, VCPU_SREG_DS); in __get_sregs()
9763 kvm_get_segment(vcpu, &sregs->es, VCPU_SREG_ES); in __get_sregs()
9764 kvm_get_segment(vcpu, &sregs->fs, VCPU_SREG_FS); in __get_sregs()
9765 kvm_get_segment(vcpu, &sregs->gs, VCPU_SREG_GS); in __get_sregs()
9766 kvm_get_segment(vcpu, &sregs->ss, VCPU_SREG_SS); in __get_sregs()
9768 kvm_get_segment(vcpu, &sregs->tr, VCPU_SREG_TR); in __get_sregs()
9769 kvm_get_segment(vcpu, &sregs->ldt, VCPU_SREG_LDTR); in __get_sregs()
9772 sregs->idt.limit = dt.size; in __get_sregs()
9773 sregs->idt.base = dt.address; in __get_sregs()
9775 sregs->gdt.limit = dt.size; in __get_sregs()
9776 sregs->gdt.base = dt.address; in __get_sregs()
9778 sregs->cr0 = kvm_read_cr0(vcpu); in __get_sregs()
9779 sregs->cr2 = vcpu->arch.cr2; in __get_sregs()
9780 sregs->cr3 = kvm_read_cr3(vcpu); in __get_sregs()
9781 sregs->cr4 = kvm_read_cr4(vcpu); in __get_sregs()
9782 sregs->cr8 = kvm_get_cr8(vcpu); in __get_sregs()
9783 sregs->efer = vcpu->arch.efer; in __get_sregs()
9784 sregs->apic_base = kvm_get_apic_base(vcpu); in __get_sregs()
9786 memset(sregs->interrupt_bitmap, 0, sizeof(sregs->interrupt_bitmap)); in __get_sregs()
9788 if (vcpu->arch.interrupt.injected && !vcpu->arch.interrupt.soft) in __get_sregs()
9789 set_bit(vcpu->arch.interrupt.nr, in __get_sregs()
9790 (unsigned long *)sregs->interrupt_bitmap); in __get_sregs()
9810 if (vcpu->arch.mp_state == KVM_MP_STATE_HALTED && in kvm_arch_vcpu_ioctl_get_mpstate()
9811 vcpu->arch.pv.pv_unhalted) in kvm_arch_vcpu_ioctl_get_mpstate()
9812 mp_state->mp_state = KVM_MP_STATE_RUNNABLE; in kvm_arch_vcpu_ioctl_get_mpstate()
9814 mp_state->mp_state = vcpu->arch.mp_state; in kvm_arch_vcpu_ioctl_get_mpstate()
9825 int ret = -EINVAL; in kvm_arch_vcpu_ioctl_set_mpstate()
9830 mp_state->mp_state != KVM_MP_STATE_RUNNABLE) in kvm_arch_vcpu_ioctl_set_mpstate()
9838 if ((kvm_vcpu_latch_init(vcpu) || vcpu->arch.smi_pending) && in kvm_arch_vcpu_ioctl_set_mpstate()
9839 (mp_state->mp_state == KVM_MP_STATE_SIPI_RECEIVED || in kvm_arch_vcpu_ioctl_set_mpstate()
9840 mp_state->mp_state == KVM_MP_STATE_INIT_RECEIVED)) in kvm_arch_vcpu_ioctl_set_mpstate()
9843 if (mp_state->mp_state == KVM_MP_STATE_SIPI_RECEIVED) { in kvm_arch_vcpu_ioctl_set_mpstate()
9844 vcpu->arch.mp_state = KVM_MP_STATE_INIT_RECEIVED; in kvm_arch_vcpu_ioctl_set_mpstate()
9845 set_bit(KVM_APIC_SIPI, &vcpu->arch.apic->pending_events); in kvm_arch_vcpu_ioctl_set_mpstate()
9847 vcpu->arch.mp_state = mp_state->mp_state; in kvm_arch_vcpu_ioctl_set_mpstate()
9859 struct x86_emulate_ctxt *ctxt = vcpu->arch.emulate_ctxt; in kvm_task_switch()
9867 vcpu->run->exit_reason = KVM_EXIT_INTERNAL_ERROR; in kvm_task_switch()
9868 vcpu->run->internal.suberror = KVM_INTERNAL_ERROR_EMULATION; in kvm_task_switch()
9869 vcpu->run->internal.ndata = 0; in kvm_task_switch()
9873 kvm_rip_write(vcpu, ctxt->eip); in kvm_task_switch()
9874 kvm_set_rflags(vcpu, ctxt->eflags); in kvm_task_switch()
9881 if ((sregs->efer & EFER_LME) && (sregs->cr0 & X86_CR0_PG)) { in kvm_valid_sregs()
9884 * 64-bit mode (though maybe in a 32-bit code segment). in kvm_valid_sregs()
9887 if (!(sregs->cr4 & X86_CR4_PAE) in kvm_valid_sregs()
9888 || !(sregs->efer & EFER_LMA)) in kvm_valid_sregs()
9889 return -EINVAL; in kvm_valid_sregs()
9890 if (sregs->cr3 & vcpu->arch.cr3_lm_rsvd_bits) in kvm_valid_sregs()
9891 return -EINVAL; in kvm_valid_sregs()
9894 * Not in 64-bit mode: EFER.LMA is clear and the code in kvm_valid_sregs()
9895 * segment cannot be 64-bit. in kvm_valid_sregs()
9897 if (sregs->efer & EFER_LMA || sregs->cs.l) in kvm_valid_sregs()
9898 return -EINVAL; in kvm_valid_sregs()
9901 return kvm_valid_cr4(vcpu, sregs->cr4); in kvm_valid_sregs()
9911 int ret = -EINVAL; in __set_sregs()
9916 apic_base_msr.data = sregs->apic_base; in __set_sregs()
9921 dt.size = sregs->idt.limit; in __set_sregs()
9922 dt.address = sregs->idt.base; in __set_sregs()
9924 dt.size = sregs->gdt.limit; in __set_sregs()
9925 dt.address = sregs->gdt.base; in __set_sregs()
9928 vcpu->arch.cr2 = sregs->cr2; in __set_sregs()
9929 mmu_reset_needed |= kvm_read_cr3(vcpu) != sregs->cr3; in __set_sregs()
9930 vcpu->arch.cr3 = sregs->cr3; in __set_sregs()
9933 kvm_set_cr8(vcpu, sregs->cr8); in __set_sregs()
9935 mmu_reset_needed |= vcpu->arch.efer != sregs->efer; in __set_sregs()
9936 kvm_x86_ops.set_efer(vcpu, sregs->efer); in __set_sregs()
9938 mmu_reset_needed |= kvm_read_cr0(vcpu) != sregs->cr0; in __set_sregs()
9939 kvm_x86_ops.set_cr0(vcpu, sregs->cr0); in __set_sregs()
9940 vcpu->arch.cr0 = sregs->cr0; in __set_sregs()
9942 mmu_reset_needed |= kvm_read_cr4(vcpu) != sregs->cr4; in __set_sregs()
9943 cpuid_update_needed |= ((kvm_read_cr4(vcpu) ^ sregs->cr4) & in __set_sregs()
9945 kvm_x86_ops.set_cr4(vcpu, sregs->cr4); in __set_sregs()
9949 idx = srcu_read_lock(&vcpu->kvm->srcu); in __set_sregs()
9951 load_pdptrs(vcpu, vcpu->arch.walk_mmu, kvm_read_cr3(vcpu)); in __set_sregs()
9954 srcu_read_unlock(&vcpu->kvm->srcu, idx); in __set_sregs()
9961 (const unsigned long *)sregs->interrupt_bitmap, max_bits); in __set_sregs()
9967 kvm_set_segment(vcpu, &sregs->cs, VCPU_SREG_CS); in __set_sregs()
9968 kvm_set_segment(vcpu, &sregs->ds, VCPU_SREG_DS); in __set_sregs()
9969 kvm_set_segment(vcpu, &sregs->es, VCPU_SREG_ES); in __set_sregs()
9970 kvm_set_segment(vcpu, &sregs->fs, VCPU_SREG_FS); in __set_sregs()
9971 kvm_set_segment(vcpu, &sregs->gs, VCPU_SREG_GS); in __set_sregs()
9972 kvm_set_segment(vcpu, &sregs->ss, VCPU_SREG_SS); in __set_sregs()
9974 kvm_set_segment(vcpu, &sregs->tr, VCPU_SREG_TR); in __set_sregs()
9975 kvm_set_segment(vcpu, &sregs->ldt, VCPU_SREG_LDTR); in __set_sregs()
9981 sregs->cs.selector == 0xf000 && sregs->cs.base == 0xffff0000 && in __set_sregs()
9983 vcpu->arch.mp_state = KVM_MP_STATE_RUNNABLE; in __set_sregs()
10011 if (dbg->control & (KVM_GUESTDBG_INJECT_DB | KVM_GUESTDBG_INJECT_BP)) { in kvm_arch_vcpu_ioctl_set_guest_debug()
10012 r = -EBUSY; in kvm_arch_vcpu_ioctl_set_guest_debug()
10013 if (vcpu->arch.exception.pending) in kvm_arch_vcpu_ioctl_set_guest_debug()
10015 if (dbg->control & KVM_GUESTDBG_INJECT_DB) in kvm_arch_vcpu_ioctl_set_guest_debug()
10027 vcpu->guest_debug = dbg->control; in kvm_arch_vcpu_ioctl_set_guest_debug()
10028 if (!(vcpu->guest_debug & KVM_GUESTDBG_ENABLE)) in kvm_arch_vcpu_ioctl_set_guest_debug()
10029 vcpu->guest_debug = 0; in kvm_arch_vcpu_ioctl_set_guest_debug()
10031 if (vcpu->guest_debug & KVM_GUESTDBG_USE_HW_BP) { in kvm_arch_vcpu_ioctl_set_guest_debug()
10033 vcpu->arch.eff_db[i] = dbg->arch.debugreg[i]; in kvm_arch_vcpu_ioctl_set_guest_debug()
10034 vcpu->arch.guest_debug_dr7 = dbg->arch.debugreg[7]; in kvm_arch_vcpu_ioctl_set_guest_debug()
10037 vcpu->arch.eff_db[i] = vcpu->arch.db[i]; in kvm_arch_vcpu_ioctl_set_guest_debug()
10041 if (vcpu->guest_debug & KVM_GUESTDBG_SINGLESTEP) in kvm_arch_vcpu_ioctl_set_guest_debug()
10042 vcpu->arch.singlestep_rip = kvm_rip_read(vcpu) + in kvm_arch_vcpu_ioctl_set_guest_debug()
10066 unsigned long vaddr = tr->linear_address; in kvm_arch_vcpu_ioctl_translate()
10072 idx = srcu_read_lock(&vcpu->kvm->srcu); in kvm_arch_vcpu_ioctl_translate()
10074 srcu_read_unlock(&vcpu->kvm->srcu, idx); in kvm_arch_vcpu_ioctl_translate()
10075 tr->physical_address = gpa; in kvm_arch_vcpu_ioctl_translate()
10076 tr->valid = gpa != UNMAPPED_GVA; in kvm_arch_vcpu_ioctl_translate()
10077 tr->writeable = 1; in kvm_arch_vcpu_ioctl_translate()
10078 tr->usermode = 0; in kvm_arch_vcpu_ioctl_translate()
10090 fxsave = &vcpu->arch.guest_fpu->state.fxsave; in kvm_arch_vcpu_ioctl_get_fpu()
10091 memcpy(fpu->fpr, fxsave->st_space, 128); in kvm_arch_vcpu_ioctl_get_fpu()
10092 fpu->fcw = fxsave->cwd; in kvm_arch_vcpu_ioctl_get_fpu()
10093 fpu->fsw = fxsave->swd; in kvm_arch_vcpu_ioctl_get_fpu()
10094 fpu->ftwx = fxsave->twd; in kvm_arch_vcpu_ioctl_get_fpu()
10095 fpu->last_opcode = fxsave->fop; in kvm_arch_vcpu_ioctl_get_fpu()
10096 fpu->last_ip = fxsave->rip; in kvm_arch_vcpu_ioctl_get_fpu()
10097 fpu->last_dp = fxsave->rdp; in kvm_arch_vcpu_ioctl_get_fpu()
10098 memcpy(fpu->xmm, fxsave->xmm_space, sizeof(fxsave->xmm_space)); in kvm_arch_vcpu_ioctl_get_fpu()
10110 fxsave = &vcpu->arch.guest_fpu->state.fxsave; in kvm_arch_vcpu_ioctl_set_fpu()
10112 memcpy(fxsave->st_space, fpu->fpr, 128); in kvm_arch_vcpu_ioctl_set_fpu()
10113 fxsave->cwd = fpu->fcw; in kvm_arch_vcpu_ioctl_set_fpu()
10114 fxsave->swd = fpu->fsw; in kvm_arch_vcpu_ioctl_set_fpu()
10115 fxsave->twd = fpu->ftwx; in kvm_arch_vcpu_ioctl_set_fpu()
10116 fxsave->fop = fpu->last_opcode; in kvm_arch_vcpu_ioctl_set_fpu()
10117 fxsave->rip = fpu->last_ip; in kvm_arch_vcpu_ioctl_set_fpu()
10118 fxsave->rdp = fpu->last_dp; in kvm_arch_vcpu_ioctl_set_fpu()
10119 memcpy(fxsave->xmm_space, fpu->xmm, sizeof(fxsave->xmm_space)); in kvm_arch_vcpu_ioctl_set_fpu()
10129 if (vcpu->run->kvm_valid_regs & KVM_SYNC_X86_REGS) in store_regs()
10130 __get_regs(vcpu, &vcpu->run->s.regs.regs); in store_regs()
10132 if (vcpu->run->kvm_valid_regs & KVM_SYNC_X86_SREGS) in store_regs()
10133 __get_sregs(vcpu, &vcpu->run->s.regs.sregs); in store_regs()
10135 if (vcpu->run->kvm_valid_regs & KVM_SYNC_X86_EVENTS) in store_regs()
10137 vcpu, &vcpu->run->s.regs.events); in store_regs()
10142 if (vcpu->run->kvm_dirty_regs & ~KVM_SYNC_X86_VALID_FIELDS) in sync_regs()
10143 return -EINVAL; in sync_regs()
10145 if (vcpu->run->kvm_dirty_regs & KVM_SYNC_X86_REGS) { in sync_regs()
10146 __set_regs(vcpu, &vcpu->run->s.regs.regs); in sync_regs()
10147 vcpu->run->kvm_dirty_regs &= ~KVM_SYNC_X86_REGS; in sync_regs()
10149 if (vcpu->run->kvm_dirty_regs & KVM_SYNC_X86_SREGS) { in sync_regs()
10150 if (__set_sregs(vcpu, &vcpu->run->s.regs.sregs)) in sync_regs()
10151 return -EINVAL; in sync_regs()
10152 vcpu->run->kvm_dirty_regs &= ~KVM_SYNC_X86_SREGS; in sync_regs()
10154 if (vcpu->run->kvm_dirty_regs & KVM_SYNC_X86_EVENTS) { in sync_regs()
10156 vcpu, &vcpu->run->s.regs.events)) in sync_regs()
10157 return -EINVAL; in sync_regs()
10158 vcpu->run->kvm_dirty_regs &= ~KVM_SYNC_X86_EVENTS; in sync_regs()
10166 fpstate_init(&vcpu->arch.guest_fpu->state); in fx_init()
10168 vcpu->arch.guest_fpu->state.xsave.header.xcomp_bv = in fx_init()
10174 vcpu->arch.xcr0 = XFEATURE_MASK_FP; in fx_init()
10176 vcpu->arch.cr0 |= X86_CR0_ET; in fx_init()
10181 if (kvm_check_tsc_unstable() && atomic_read(&kvm->online_vcpus) != 0) in kvm_arch_vcpu_precreate()
10193 if (!irqchip_in_kernel(vcpu->kvm) || kvm_vcpu_is_reset_bsp(vcpu)) in kvm_arch_vcpu_create()
10194 vcpu->arch.mp_state = KVM_MP_STATE_RUNNABLE; in kvm_arch_vcpu_create()
10196 vcpu->arch.mp_state = KVM_MP_STATE_UNINITIALIZED; in kvm_arch_vcpu_create()
10204 if (irqchip_in_kernel(vcpu->kvm)) { in kvm_arch_vcpu_create()
10208 if (kvm_apicv_activated(vcpu->kvm)) in kvm_arch_vcpu_create()
10209 vcpu->arch.apicv_active = true; in kvm_arch_vcpu_create()
10213 r = -ENOMEM; in kvm_arch_vcpu_create()
10218 vcpu->arch.pio_data = page_address(page); in kvm_arch_vcpu_create()
10220 vcpu->arch.mce_banks = kzalloc(KVM_MAX_MCE_BANKS * sizeof(u64) * 4, in kvm_arch_vcpu_create()
10222 if (!vcpu->arch.mce_banks) in kvm_arch_vcpu_create()
10224 vcpu->arch.mcg_cap = KVM_MAX_MCE_BANKS; in kvm_arch_vcpu_create()
10226 if (!zalloc_cpumask_var(&vcpu->arch.wbinvd_dirty_mask, in kvm_arch_vcpu_create()
10233 vcpu->arch.user_fpu = kmem_cache_zalloc(x86_fpu_cache, in kvm_arch_vcpu_create()
10235 if (!vcpu->arch.user_fpu) { in kvm_arch_vcpu_create()
10240 vcpu->arch.guest_fpu = kmem_cache_zalloc(x86_fpu_cache, in kvm_arch_vcpu_create()
10242 if (!vcpu->arch.guest_fpu) { in kvm_arch_vcpu_create()
10248 vcpu->arch.maxphyaddr = cpuid_query_maxphyaddr(vcpu); in kvm_arch_vcpu_create()
10249 vcpu->arch.cr3_lm_rsvd_bits = rsvd_bits(cpuid_maxphyaddr(vcpu), 63); in kvm_arch_vcpu_create()
10251 vcpu->arch.pat = MSR_IA32_CR_PAT_DEFAULT; in kvm_arch_vcpu_create()
10256 vcpu->arch.pending_external_vector = -1; in kvm_arch_vcpu_create()
10257 vcpu->arch.preempted_in_kernel = false; in kvm_arch_vcpu_create()
10265 vcpu->arch.arch_capabilities = kvm_get_arch_capabilities(); in kvm_arch_vcpu_create()
10266 vcpu->arch.msr_platform_info = MSR_PLATFORM_INFO_CPUID_FAULT; in kvm_arch_vcpu_create()
10275 kmem_cache_free(x86_fpu_cache, vcpu->arch.guest_fpu); in kvm_arch_vcpu_create()
10277 kmem_cache_free(x86_fpu_cache, vcpu->arch.user_fpu); in kvm_arch_vcpu_create()
10279 kmem_cache_free(x86_emulator_cache, vcpu->arch.emulate_ctxt); in kvm_arch_vcpu_create()
10281 free_cpumask_var(vcpu->arch.wbinvd_dirty_mask); in kvm_arch_vcpu_create()
10283 kfree(vcpu->arch.mce_banks); in kvm_arch_vcpu_create()
10285 free_page((unsigned long)vcpu->arch.pio_data); in kvm_arch_vcpu_create()
10295 struct kvm *kvm = vcpu->kvm; in kvm_arch_vcpu_postcreate()
10299 if (mutex_lock_killable(&vcpu->mutex)) in kvm_arch_vcpu_postcreate()
10306 vcpu->arch.msr_kvm_poll_control = 1; in kvm_arch_vcpu_postcreate()
10308 mutex_unlock(&vcpu->mutex); in kvm_arch_vcpu_postcreate()
10310 if (kvmclock_periodic_sync && vcpu->vcpu_idx == 0) in kvm_arch_vcpu_postcreate()
10311 schedule_delayed_work(&kvm->arch.kvmclock_sync_work, in kvm_arch_vcpu_postcreate()
10323 kmem_cache_free(x86_emulator_cache, vcpu->arch.emulate_ctxt); in kvm_arch_vcpu_destroy()
10324 free_cpumask_var(vcpu->arch.wbinvd_dirty_mask); in kvm_arch_vcpu_destroy()
10325 kmem_cache_free(x86_fpu_cache, vcpu->arch.user_fpu); in kvm_arch_vcpu_destroy()
10326 kmem_cache_free(x86_fpu_cache, vcpu->arch.guest_fpu); in kvm_arch_vcpu_destroy()
10330 kfree(vcpu->arch.mce_banks); in kvm_arch_vcpu_destroy()
10332 idx = srcu_read_lock(&vcpu->kvm->srcu); in kvm_arch_vcpu_destroy()
10334 srcu_read_unlock(&vcpu->kvm->srcu, idx); in kvm_arch_vcpu_destroy()
10335 free_page((unsigned long)vcpu->arch.pio_data); in kvm_arch_vcpu_destroy()
10336 kvfree(vcpu->arch.cpuid_entries); in kvm_arch_vcpu_destroy()
10345 vcpu->arch.hflags = 0; in kvm_vcpu_reset()
10347 vcpu->arch.smi_pending = 0; in kvm_vcpu_reset()
10348 vcpu->arch.smi_count = 0; in kvm_vcpu_reset()
10349 atomic_set(&vcpu->arch.nmi_queued, 0); in kvm_vcpu_reset()
10350 vcpu->arch.nmi_pending = 0; in kvm_vcpu_reset()
10351 vcpu->arch.nmi_injected = false; in kvm_vcpu_reset()
10355 memset(vcpu->arch.db, 0, sizeof(vcpu->arch.db)); in kvm_vcpu_reset()
10357 vcpu->arch.dr6 = DR6_INIT; in kvm_vcpu_reset()
10358 vcpu->arch.dr7 = DR7_FIXED_1; in kvm_vcpu_reset()
10361 vcpu->arch.cr2 = 0; in kvm_vcpu_reset()
10364 vcpu->arch.apf.msr_en_val = 0; in kvm_vcpu_reset()
10365 vcpu->arch.apf.msr_int_val = 0; in kvm_vcpu_reset()
10366 vcpu->arch.st.msr_val = 0; in kvm_vcpu_reset()
10372 vcpu->arch.apf.halted = false; in kvm_vcpu_reset()
10383 mpx_state_buffer = get_xsave_addr(&vcpu->arch.guest_fpu->state.xsave, in kvm_vcpu_reset()
10387 mpx_state_buffer = get_xsave_addr(&vcpu->arch.guest_fpu->state.xsave, in kvm_vcpu_reset()
10397 vcpu->arch.smbase = 0x30000; in kvm_vcpu_reset()
10399 vcpu->arch.msr_misc_features_enables = 0; in kvm_vcpu_reset()
10401 vcpu->arch.xcr0 = XFEATURE_MASK_FP; in kvm_vcpu_reset()
10404 memset(vcpu->arch.regs, 0, sizeof(vcpu->arch.regs)); in kvm_vcpu_reset()
10405 vcpu->arch.regs_avail = ~0; in kvm_vcpu_reset()
10406 vcpu->arch.regs_dirty = ~0; in kvm_vcpu_reset()
10408 vcpu->arch.ia32_xss = 0; in kvm_vcpu_reset()
10419 cs.base = vector << 12; in kvm_vcpu_deliver_sipi_vector()
10443 if (!stable && vcpu->cpu == smp_processor_id()) in kvm_arch_hardware_enable()
10445 if (stable && vcpu->arch.last_host_tsc > local_tsc) { in kvm_arch_hardware_enable()
10447 if (vcpu->arch.last_host_tsc > max_tsc) in kvm_arch_hardware_enable()
10448 max_tsc = vcpu->arch.last_host_tsc; in kvm_arch_hardware_enable()
10478 * N.B. - this code below runs only on platforms with reliable TSC, in kvm_arch_hardware_enable()
10492 u64 delta_cyc = max_tsc - local_tsc; in kvm_arch_hardware_enable()
10494 kvm->arch.backwards_tsc_observed = true; in kvm_arch_hardware_enable()
10496 vcpu->arch.tsc_offset_adjustment += delta_cyc; in kvm_arch_hardware_enable()
10497 vcpu->arch.last_host_tsc = local_tsc; in kvm_arch_hardware_enable()
10507 kvm->arch.last_tsc_nsec = 0; in kvm_arch_hardware_enable()
10508 kvm->arch.last_tsc_write = 0; in kvm_arch_hardware_enable()
10531 r = ops->hardware_setup(); in kvm_arch_hardware_setup()
10535 memcpy(&kvm_x86_ops, ops->runtime_ops, sizeof(kvm_x86_ops)); in kvm_arch_hardware_setup()
10576 return -EIO; in kvm_arch_check_processor_compat()
10578 return ops->check_processor_compatibility(); in kvm_arch_check_processor_compat()
10583 return vcpu->kvm->arch.bsp_vcpu_id == vcpu->vcpu_id; in kvm_vcpu_is_reset_bsp()
10589 return (vcpu->arch.apic_base & MSR_IA32_APICBASE_BSP) != 0; in kvm_vcpu_is_bsp()
10599 vcpu->arch.l1tf_flush_l1d = true; in kvm_arch_sched_in()
10600 if (pmu->version && unlikely(pmu->event_count)) { in kvm_arch_sched_in()
10601 pmu->need_cleanup = true; in kvm_arch_sched_in()
10609 kfree(kvm->arch.hyperv.hv_pa_pg); in kvm_arch_free_vm()
10619 return -EINVAL; in kvm_arch_init_vm()
10625 INIT_HLIST_HEAD(&kvm->arch.mask_notifier_list); in kvm_arch_init_vm()
10626 INIT_LIST_HEAD(&kvm->arch.active_mmu_pages); in kvm_arch_init_vm()
10627 INIT_LIST_HEAD(&kvm->arch.zapped_obsolete_pages); in kvm_arch_init_vm()
10628 INIT_LIST_HEAD(&kvm->arch.lpage_disallowed_mmu_pages); in kvm_arch_init_vm()
10629 INIT_LIST_HEAD(&kvm->arch.assigned_dev_head); in kvm_arch_init_vm()
10630 atomic_set(&kvm->arch.noncoherent_dma_count, 0); in kvm_arch_init_vm()
10633 set_bit(KVM_USERSPACE_IRQ_SOURCE_ID, &kvm->arch.irq_sources_bitmap); in kvm_arch_init_vm()
10634 /* Reserve bit 1 of irq_sources_bitmap for irqfd-resampler */ in kvm_arch_init_vm()
10636 &kvm->arch.irq_sources_bitmap); in kvm_arch_init_vm()
10638 raw_spin_lock_init(&kvm->arch.tsc_write_lock); in kvm_arch_init_vm()
10639 mutex_init(&kvm->arch.apic_map_lock); in kvm_arch_init_vm()
10640 spin_lock_init(&kvm->arch.pvclock_gtod_sync_lock); in kvm_arch_init_vm()
10642 kvm->arch.kvmclock_offset = -get_kvmclock_base_ns(); in kvm_arch_init_vm()
10645 kvm->arch.guest_can_read_msr_platform_info = true; in kvm_arch_init_vm()
10647 INIT_DELAYED_WORK(&kvm->arch.kvmclock_update_work, kvmclock_update_fn); in kvm_arch_init_vm()
10648 INIT_DELAYED_WORK(&kvm->arch.kvmclock_sync_work, kvmclock_sync_fn); in kvm_arch_init_vm()
10683 mutex_lock(&kvm->lock); in kvm_free_vcpus()
10684 for (i = 0; i < atomic_read(&kvm->online_vcpus); i++) in kvm_free_vcpus()
10685 kvm->vcpus[i] = NULL; in kvm_free_vcpus()
10687 atomic_set(&kvm->online_vcpus, 0); in kvm_free_vcpus()
10688 mutex_unlock(&kvm->lock); in kvm_free_vcpus()
10693 cancel_delayed_work_sync(&kvm->arch.kvmclock_sync_work); in kvm_arch_sync_events()
10694 cancel_delayed_work_sync(&kvm->arch.kvmclock_update_work); in kvm_arch_sync_events()
10705 /* Called with kvm->slots_lock held. */ in __x86_set_memory_region()
10707 return -EINVAL; in __x86_set_memory_region()
10711 if (slot && slot->npages) in __x86_set_memory_region()
10712 return -EEXIST; in __x86_set_memory_region()
10723 if (!slot || !slot->npages) in __x86_set_memory_region()
10726 old_npages = slot->npages; in __x86_set_memory_region()
10757 if (current->mm == kvm->mm) { in kvm_arch_destroy_vm()
10763 mutex_lock(&kvm->slots_lock); in kvm_arch_destroy_vm()
10769 mutex_unlock(&kvm->slots_lock); in kvm_arch_destroy_vm()
10773 kvm_free_msr_filter(srcu_dereference_check(kvm->arch.msr_filter, &kvm->srcu, 1)); in kvm_arch_destroy_vm()
10777 kvfree(rcu_dereference_check(kvm->arch.apic_map, 1)); in kvm_arch_destroy_vm()
10778 kfree(srcu_dereference_check(kvm->arch.pmu_event_filter, &kvm->srcu, 1)); in kvm_arch_destroy_vm()
10789 kvfree(slot->arch.rmap[i]); in kvm_arch_free_memslot()
10790 slot->arch.rmap[i] = NULL; in kvm_arch_free_memslot()
10795 kvfree(slot->arch.lpage_info[i - 1]); in kvm_arch_free_memslot()
10796 slot->arch.lpage_info[i - 1] = NULL; in kvm_arch_free_memslot()
10812 memset(&slot->arch, 0, sizeof(slot->arch)); in kvm_alloc_memslot_metadata()
10820 lpages = gfn_to_index(slot->base_gfn + npages - 1, in kvm_alloc_memslot_metadata()
10821 slot->base_gfn, level) + 1; in kvm_alloc_memslot_metadata()
10823 slot->arch.rmap[i] = in kvm_alloc_memslot_metadata()
10824 kvcalloc(lpages, sizeof(*slot->arch.rmap[i]), in kvm_alloc_memslot_metadata()
10826 if (!slot->arch.rmap[i]) in kvm_alloc_memslot_metadata()
10835 slot->arch.lpage_info[i - 1] = linfo; in kvm_alloc_memslot_metadata()
10837 if (slot->base_gfn & (KVM_PAGES_PER_HPAGE(level) - 1)) in kvm_alloc_memslot_metadata()
10839 if ((slot->base_gfn + npages) & (KVM_PAGES_PER_HPAGE(level) - 1)) in kvm_alloc_memslot_metadata()
10840 linfo[lpages - 1].disallow_lpage = 1; in kvm_alloc_memslot_metadata()
10841 ugfn = slot->userspace_addr >> PAGE_SHIFT; in kvm_alloc_memslot_metadata()
10846 if ((slot->base_gfn ^ ugfn) & (KVM_PAGES_PER_HPAGE(level) - 1)) { in kvm_alloc_memslot_metadata()
10861 kvfree(slot->arch.rmap[i]); in kvm_alloc_memslot_metadata()
10862 slot->arch.rmap[i] = NULL; in kvm_alloc_memslot_metadata()
10866 kvfree(slot->arch.lpage_info[i - 1]); in kvm_alloc_memslot_metadata()
10867 slot->arch.lpage_info[i - 1] = NULL; in kvm_alloc_memslot_metadata()
10869 return -ENOMEM; in kvm_alloc_memslot_metadata()
10878 * memslots->generation has been incremented. in kvm_arch_memslots_updated()
10883 /* Force re-initialization of steal_time cache */ in kvm_arch_memslots_updated()
10895 mem->memory_size >> PAGE_SHIFT); in kvm_arch_prepare_memory_region()
10908 if ((change != KVM_MR_FLAGS_ONLY) || (new->flags & KVM_MEM_READONLY)) in kvm_mmu_slot_apply_flags()
10920 * which can be collapsed into a single large-page spte. Later in kvm_mmu_slot_apply_flags()
10921 * page faults will create the large-page sptes. in kvm_mmu_slot_apply_flags()
10928 if ((old->flags & KVM_MEM_LOG_DIRTY_PAGES) && in kvm_mmu_slot_apply_flags()
10929 !(new->flags & KVM_MEM_LOG_DIRTY_PAGES)) in kvm_mmu_slot_apply_flags()
10945 * When disabling dirty logging with PML enabled, the D-bit is set in kvm_mmu_slot_apply_flags()
10952 * When enabling dirty logging, large sptes are write-protected in kvm_mmu_slot_apply_flags()
10957 * initial-all-set state. Otherwise, depending on whether pml in kvm_mmu_slot_apply_flags()
10958 * is enabled the D-bit or the W-bit will be cleared. in kvm_mmu_slot_apply_flags()
10960 if (new->flags & KVM_MEM_LOG_DIRTY_PAGES) { in kvm_mmu_slot_apply_flags()
10969 * If we're with initial-all-set, we don't need in kvm_mmu_slot_apply_flags()
10972 * we still need to write-protect huge pages in kvm_mmu_slot_apply_flags()
10990 if (!kvm->arch.n_requested_mmu_pages) in kvm_arch_commit_memory_region()
10995 * FIXME: const-ify all uses of struct kvm_memory_slot. in kvm_arch_commit_memory_region()
11024 if (!list_empty_careful(&vcpu->async_pf.done)) in kvm_vcpu_has_events()
11030 if (vcpu->arch.pv.pv_unhalted) in kvm_vcpu_has_events()
11033 if (vcpu->arch.exception.pending) in kvm_vcpu_has_events()
11037 (vcpu->arch.nmi_pending && in kvm_vcpu_has_events()
11042 (vcpu->arch.smi_pending && in kvm_vcpu_has_events()
11055 kvm_x86_ops.nested_ops->hv_timer_pending && in kvm_vcpu_has_events()
11056 kvm_x86_ops.nested_ops->hv_timer_pending(vcpu)) in kvm_vcpu_has_events()
11069 if (READ_ONCE(vcpu->arch.pv.pv_unhalted)) in kvm_arch_dy_runnable()
11077 if (vcpu->arch.apicv_active && kvm_x86_ops.dy_apicv_has_pending_interrupt(vcpu)) in kvm_arch_dy_runnable()
11085 return vcpu->arch.preempted_in_kernel; in kvm_arch_vcpu_in_kernel()
11118 if (vcpu->guest_debug & KVM_GUESTDBG_SINGLESTEP) in kvm_get_rflags()
11126 if (vcpu->guest_debug & KVM_GUESTDBG_SINGLESTEP && in __kvm_set_rflags()
11127 kvm_is_linear_rip(vcpu, vcpu->arch.singlestep_rip)) in __kvm_set_rflags()
11143 if ((vcpu->arch.mmu->direct_map != work->arch.direct_map) || in kvm_arch_async_page_ready()
11144 work->wakeup_all) in kvm_arch_async_page_ready()
11151 if (!vcpu->arch.mmu->direct_map && in kvm_arch_async_page_ready()
11152 work->arch.cr3 != vcpu->arch.mmu->get_guest_pgd(vcpu)) in kvm_arch_async_page_ready()
11155 kvm_mmu_do_page_fault(vcpu, work->cr2_or_gpa, 0, true); in kvm_arch_async_page_ready()
11167 return (key + 1) & (ASYNC_PF_PER_VCPU - 1); in kvm_async_pf_next_probe()
11174 while (vcpu->arch.apf.gfns[key] != ~0) in kvm_add_async_pf_gfn()
11177 vcpu->arch.apf.gfns[key] = gfn; in kvm_add_async_pf_gfn()
11186 (vcpu->arch.apf.gfns[key] != gfn && in kvm_async_pf_gfn_slot()
11187 vcpu->arch.apf.gfns[key] != ~0); i++) in kvm_async_pf_gfn_slot()
11195 return vcpu->arch.apf.gfns[kvm_async_pf_gfn_slot(vcpu, gfn)] == gfn; in kvm_find_async_pf_gfn()
11204 if (WARN_ON_ONCE(vcpu->arch.apf.gfns[i] != gfn)) in kvm_del_async_pf_gfn()
11208 vcpu->arch.apf.gfns[i] = ~0; in kvm_del_async_pf_gfn()
11211 if (vcpu->arch.apf.gfns[j] == ~0) in kvm_del_async_pf_gfn()
11213 k = kvm_async_pf_hash_fn(vcpu->arch.apf.gfns[j]); in kvm_del_async_pf_gfn()
11220 vcpu->arch.apf.gfns[i] = vcpu->arch.apf.gfns[j]; in kvm_del_async_pf_gfn()
11229 return kvm_write_guest_cached(vcpu->kvm, &vcpu->arch.apf.data, &reason, in apf_put_user_notpresent()
11237 return kvm_write_guest_offset_cached(vcpu->kvm, &vcpu->arch.apf.data, in apf_put_user_ready()
11246 if (kvm_read_guest_offset_cached(vcpu->kvm, &vcpu->arch.apf.data, in apf_pageready_slot_free()
11255 if (!vcpu->arch.apf.delivery_as_pf_vmexit && is_guest_mode(vcpu)) in kvm_can_deliver_async_pf()
11259 (vcpu->arch.apf.send_user_only && kvm_x86_ops.get_cpl(vcpu) == 0)) in kvm_can_deliver_async_pf()
11269 vcpu->arch.exception.pending)) in kvm_can_do_async_pf()
11272 if (kvm_hlt_in_guest(vcpu->kvm) && !kvm_can_deliver_async_pf(vcpu)) in kvm_can_do_async_pf()
11287 trace_kvm_async_pf_not_present(work->arch.token, work->cr2_or_gpa); in kvm_arch_async_page_not_present()
11288 kvm_add_async_pf_gfn(vcpu, work->arch.gfn); in kvm_arch_async_page_not_present()
11296 fault.address = work->arch.token; in kvm_arch_async_page_not_present()
11319 .vector = vcpu->arch.apf.vec in kvm_arch_async_page_present()
11322 if (work->wakeup_all) in kvm_arch_async_page_present()
11323 work->arch.token = ~0; /* broadcast wakeup */ in kvm_arch_async_page_present()
11325 kvm_del_async_pf_gfn(vcpu, work->arch.gfn); in kvm_arch_async_page_present()
11326 trace_kvm_async_pf_ready(work->arch.token, work->cr2_or_gpa); in kvm_arch_async_page_present()
11328 if ((work->wakeup_all || work->notpresent_injected) && in kvm_arch_async_page_present()
11330 !apf_put_user_ready(vcpu, work->arch.token)) { in kvm_arch_async_page_present()
11331 vcpu->arch.apf.pageready_pending = true; in kvm_arch_async_page_present()
11335 vcpu->arch.apf.halted = false; in kvm_arch_async_page_present()
11336 vcpu->arch.mp_state = KVM_MP_STATE_RUNNABLE; in kvm_arch_async_page_present()
11342 if (!vcpu->arch.apf.pageready_pending) in kvm_arch_async_page_present_queued()
11356 atomic_inc(&kvm->arch.assigned_device_count); in kvm_arch_start_assignment()
11362 atomic_dec(&kvm->arch.assigned_device_count); in kvm_arch_end_assignment()
11368 return arch_atomic_read(&kvm->arch.assigned_device_count); in kvm_arch_has_assigned_device()
11374 atomic_inc(&kvm->arch.noncoherent_dma_count); in kvm_arch_register_noncoherent_dma()
11380 atomic_dec(&kvm->arch.noncoherent_dma_count); in kvm_arch_unregister_noncoherent_dma()
11386 return atomic_read(&kvm->arch.noncoherent_dma_count); in kvm_arch_has_noncoherent_dma()
11402 irqfd->producer = prod; in kvm_arch_irq_bypass_add_producer()
11403 kvm_arch_start_assignment(irqfd->kvm); in kvm_arch_irq_bypass_add_producer()
11404 ret = kvm_x86_ops.update_pi_irte(irqfd->kvm, in kvm_arch_irq_bypass_add_producer()
11405 prod->irq, irqfd->gsi, 1); in kvm_arch_irq_bypass_add_producer()
11408 kvm_arch_end_assignment(irqfd->kvm); in kvm_arch_irq_bypass_add_producer()
11420 WARN_ON(irqfd->producer != prod); in kvm_arch_irq_bypass_del_producer()
11421 irqfd->producer = NULL; in kvm_arch_irq_bypass_del_producer()
11425 * remapped mode, so we can re-use the current implementation in kvm_arch_irq_bypass_del_producer()
11429 ret = kvm_x86_ops.update_pi_irte(irqfd->kvm, prod->irq, irqfd->gsi, 0); in kvm_arch_irq_bypass_del_producer()
11432 " fails: %d\n", irqfd->consumer.token, ret); in kvm_arch_irq_bypass_del_producer()
11434 kvm_arch_end_assignment(irqfd->kvm); in kvm_arch_irq_bypass_del_producer()
11450 return (vcpu->arch.msr_kvm_poll_control & 1) == 0; in kvm_arch_no_poll()
11488 vcpu->arch.walk_mmu->gva_to_gpa(vcpu, gva, access, &fault) != UNMAPPED_GVA) { in kvm_fixup_and_inject_pf_error()
11490 * If vcpu->arch.walk_mmu->gva_to_gpa succeeded, the page in kvm_fixup_and_inject_pf_error()
11500 vcpu->arch.walk_mmu->inject_page_fault(vcpu, &fault); in kvm_fixup_and_inject_pf_error()
11521 * doesn't seem to be a real use-case behind such requests, just return in kvm_handle_memory_failure()
11524 vcpu->run->exit_reason = KVM_EXIT_INTERNAL_ERROR; in kvm_handle_memory_failure()
11525 vcpu->run->internal.suberror = KVM_INTERNAL_ERROR_EMULATION; in kvm_handle_memory_failure()
11526 vcpu->run->internal.ndata = 0; in kvm_handle_memory_failure()
11577 if (kvm_get_pcid(vcpu, vcpu->arch.mmu->prev_roots[i].pgd) in kvm_handle_invpcid()
11581 kvm_mmu_free_roots(vcpu, vcpu->arch.mmu, roots_to_free); in kvm_handle_invpcid()
11593 * page tables, so a non-global flush just degenerates to a in kvm_handle_invpcid()