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David Alan Gilbert" , peterx@redhat.com, Vitaly Kuznetsov Subject: [PATCH RFC 09/15] KVM: selftests: Sync uapi/linux/kvm.h to tools/ Date: Fri, 29 Nov 2019 16:34:59 -0500 Message-Id: <20191129213505.18472-10-peterx@redhat.com> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20191129213505.18472-1-peterx@redhat.com> References: <20191129213505.18472-1-peterx@redhat.com> MIME-Version: 1.0 X-MC-Unique: w_nI1TWKOaiivWYy8cKQHQ-1 X-Mimecast-Spam-Score: 0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This will be needed to extend the kvm selftest program. Signed-off-by: Peter Xu --- tools/include/uapi/linux/kvm.h | 47 ++++++++++++++++++++++++++++++++++ 1 file changed, 47 insertions(+) diff --git a/tools/include/uapi/linux/kvm.h b/tools/include/uapi/linux/kvm.= h index 52641d8ca9e8..0b88d76d6215 100644 --- a/tools/include/uapi/linux/kvm.h +++ b/tools/include/uapi/linux/kvm.h @@ -235,6 +235,8 @@ struct kvm_hyperv_exit { #define KVM_EXIT_S390_STSI 25 #define KVM_EXIT_IOAPIC_EOI 26 #define KVM_EXIT_HYPERV 27 +#define KVM_EXIT_ARM_NISV 28 +#define KVM_EXIT_DIRTY_RING_FULL 29 =20 /* For KVM_EXIT_INTERNAL_ERROR */ /* Emulate instruction failed. */ @@ -246,6 +248,11 @@ struct kvm_hyperv_exit { /* Encounter unexpected vm-exit reason */ #define KVM_INTERNAL_ERROR_UNEXPECTED_EXIT_REASON=094 =20 +struct kvm_dirty_ring_indexes { +=09__u32 avail_index; /* set by kernel */ +=09__u32 fetch_index; /* set by userspace */ +}; + /* for KVM_RUN, returned by mmap(vcpu_fd, offset=3D0) */ struct kvm_run { =09/* in */ @@ -394,6 +401,11 @@ struct kvm_run { =09=09} eoi; =09=09/* KVM_EXIT_HYPERV */ =09=09struct kvm_hyperv_exit hyperv; +=09=09/* KVM_EXIT_ARM_NISV */ +=09=09struct { +=09=09=09__u64 esr_iss; +=09=09=09__u64 fault_ipa; +=09=09} arm_nisv; =09=09/* Fix the size of the union. */ =09=09char padding[256]; =09}; @@ -415,6 +427,13 @@ struct kvm_run { =09=09struct kvm_sync_regs regs; =09=09char padding[SYNC_REGS_SIZE_BYTES]; =09} s; + +=09struct kvm_dirty_ring_indexes vcpu_ring_indexes; +}; + +/* Returned by mmap(kvm->fd, offset=3D0) */ +struct kvm_vm_run { +=09struct kvm_dirty_ring_indexes vm_ring_indexes; }; =20 /* for KVM_REGISTER_COALESCED_MMIO / KVM_UNREGISTER_COALESCED_MMIO */ @@ -1000,6 +1019,10 @@ struct kvm_ppc_resize_hpt { #define KVM_CAP_PMU_EVENT_FILTER 173 #define KVM_CAP_ARM_IRQ_LINE_LAYOUT_2 174 #define KVM_CAP_HYPERV_DIRECT_TLBFLUSH 175 +#define KVM_CAP_PPC_GUEST_DEBUG_SSTEP 176 +#define KVM_CAP_ARM_NISV_TO_USER 177 +#define KVM_CAP_ARM_INJECT_EXT_DABT 178 +#define KVM_CAP_DIRTY_LOG_RING 179 =20 #ifdef KVM_CAP_IRQ_ROUTING =20 @@ -1227,6 +1250,8 @@ enum kvm_device_type { #define KVM_DEV_TYPE_ARM_VGIC_ITS=09KVM_DEV_TYPE_ARM_VGIC_ITS =09KVM_DEV_TYPE_XIVE, #define KVM_DEV_TYPE_XIVE=09=09KVM_DEV_TYPE_XIVE +=09KVM_DEV_TYPE_ARM_PV_TIME, +#define KVM_DEV_TYPE_ARM_PV_TIME=09KVM_DEV_TYPE_ARM_PV_TIME =09KVM_DEV_TYPE_MAX, }; =20 @@ -1461,6 +1486,9 @@ struct kvm_enc_region { /* Available with KVM_CAP_ARM_SVE */ #define KVM_ARM_VCPU_FINALIZE=09 _IOW(KVMIO, 0xc2, int) =20 +/* Available with KVM_CAP_DIRTY_LOG_RING */ +#define KVM_RESET_DIRTY_RINGS _IO(KVMIO, 0xc3) + /* Secure Encrypted Virtualization command */ enum sev_cmd_id { =09/* Guest initialization commands */ @@ -1611,4 +1639,23 @@ struct kvm_hyperv_eventfd { #define KVM_HYPERV_CONN_ID_MASK=09=090x00ffffff #define KVM_HYPERV_EVENTFD_DEASSIGN=09(1 << 0) =20 +/* + * The following are the requirements for supporting dirty log ring + * (by enabling KVM_DIRTY_LOG_PAGE_OFFSET). + * + * 1. Memory accesses by KVM should call kvm_vcpu_write_* instead + * of kvm_write_* so that the global dirty ring is not filled up + * too quickly. + * 2. kvm_arch_mmu_enable_log_dirty_pt_masked should be defined for + * enabling dirty logging. + * 3. There should not be a separate step to synchronize hardware + * dirty bitmap with KVM's. + */ + +struct kvm_dirty_gfn { +=09__u32 pad; +=09__u32 slot; +=09__u64 offset; +}; + #endif /* __LINUX_KVM_H */ --=20 2.21.0