From patchwork Mon Nov 30 13:38:44 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Maxim Levitsky X-Patchwork-Id: 11940575 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-17.2 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id BB1F0C64E7B for ; Mon, 30 Nov 2020 13:40:39 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 651B620727 for ; Mon, 30 Nov 2020 13:40:39 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="Dy6mme3t" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727320AbgK3Nka (ORCPT ); Mon, 30 Nov 2020 08:40:30 -0500 Received: from us-smtp-delivery-124.mimecast.com ([63.128.21.124]:44476 "EHLO us-smtp-delivery-124.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726426AbgK3Nk3 (ORCPT ); Mon, 30 Nov 2020 08:40:29 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1606743542; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=uohsauvIsjYEA0XUxpazEHeSKdAgOCIc129bvX1wErE=; b=Dy6mme3tWeYDqCbdiEOzYEizlZw9VOoMLn3uxearhjeGCIbL1rxlBnkFmrIeUBsafj3lbQ A67D6HNFeOlTT6sTpIt2eyHSPRDRugb4ZIIF7ltrynwbpbLPlqcds0sbJLg3jLGZHat5bb y//Yr8VNEnh2D6t/a1zDxqpe3inVDHI= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-244-dur6NQcVP3WZhMlsigyNIg-1; Mon, 30 Nov 2020 08:38:58 -0500 X-MC-Unique: dur6NQcVP3WZhMlsigyNIg-1 Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.phx2.redhat.com [10.5.11.13]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 7AD0C1009462; Mon, 30 Nov 2020 13:38:57 +0000 (UTC) Received: from localhost.localdomain (unknown [10.35.206.90]) by smtp.corp.redhat.com (Postfix) with ESMTP id 4982D60867; Mon, 30 Nov 2020 13:38:53 +0000 (UTC) From: Maxim Levitsky To: qemu-devel@nongnu.org Cc: Richard Henderson , Marcelo Tosatti , Paolo Bonzini , "Michael S. Tsirkin" , Cornelia Huck , Eduardo Habkost , kvm@vger.kernel.org, Maxim Levitsky Subject: [PATCH 1/2] Update the kernel headers for 5.10-rc5 + TSC Date: Mon, 30 Nov 2020 15:38:44 +0200 Message-Id: <20201130133845.233552-2-mlevitsk@redhat.com> In-Reply-To: <20201130133845.233552-1-mlevitsk@redhat.com> References: <20201130133845.233552-1-mlevitsk@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org Signed-off-by: Maxim Levitsky --- include/standard-headers/asm-x86/kvm_para.h | 1 + linux-headers/asm-x86/kvm.h | 2 + linux-headers/linux/kvm.h | 70 ++++++++++++++++++++- 3 files changed, 72 insertions(+), 1 deletion(-) diff --git a/include/standard-headers/asm-x86/kvm_para.h b/include/standard-headers/asm-x86/kvm_para.h index 07877d3295..215d01b4ec 100644 --- a/include/standard-headers/asm-x86/kvm_para.h +++ b/include/standard-headers/asm-x86/kvm_para.h @@ -32,6 +32,7 @@ #define KVM_FEATURE_POLL_CONTROL 12 #define KVM_FEATURE_PV_SCHED_YIELD 13 #define KVM_FEATURE_ASYNC_PF_INT 14 +#define KVM_FEATURE_MSI_EXT_DEST_ID 15 #define KVM_HINTS_REALTIME 0 diff --git a/linux-headers/asm-x86/kvm.h b/linux-headers/asm-x86/kvm.h index 89e5f3d1bb..2a60fc6674 100644 --- a/linux-headers/asm-x86/kvm.h +++ b/linux-headers/asm-x86/kvm.h @@ -12,6 +12,7 @@ #define KVM_PIO_PAGE_OFFSET 1 #define KVM_COALESCED_MMIO_PAGE_OFFSET 2 +#define KVM_DIRTY_LOG_PAGE_OFFSET 64 #define DE_VECTOR 0 #define DB_VECTOR 1 @@ -403,6 +404,7 @@ struct kvm_sync_regs { #define KVM_X86_QUIRK_LAPIC_MMIO_HOLE (1 << 2) #define KVM_X86_QUIRK_OUT_7E_INC_RIP (1 << 3) #define KVM_X86_QUIRK_MISC_ENABLE_NO_MWAIT (1 << 4) +#define KVM_X86_QUIRK_TSC_HOST_ACCESS (1 << 5) #define KVM_STATE_NESTED_FORMAT_VMX 0 #define KVM_STATE_NESTED_FORMAT_SVM 1 diff --git a/linux-headers/linux/kvm.h b/linux-headers/linux/kvm.h index 56ce14ad20..55dd0f563c 100644 --- a/linux-headers/linux/kvm.h +++ b/linux-headers/linux/kvm.h @@ -250,6 +250,7 @@ struct kvm_hyperv_exit { #define KVM_EXIT_ARM_NISV 28 #define KVM_EXIT_X86_RDMSR 29 #define KVM_EXIT_X86_WRMSR 30 +#define KVM_EXIT_DIRTY_RING_FULL 31 /* For KVM_EXIT_INTERNAL_ERROR */ /* Emulate instruction failed. */ @@ -1053,6 +1054,9 @@ struct kvm_ppc_resize_hpt { #define KVM_CAP_X86_USER_SPACE_MSR 188 #define KVM_CAP_X86_MSR_FILTER 189 #define KVM_CAP_ENFORCE_PV_FEATURE_CPUID 190 +#define KVM_CAP_SYS_HYPERV_CPUID 191 +#define KVM_CAP_DIRTY_LOG_RING 192 +#define KVM_CAP_PRECISE_TSC 193 #ifdef KVM_CAP_IRQ_ROUTING @@ -1166,6 +1170,15 @@ struct kvm_clock_data { __u32 pad[9]; }; + +#define KVM_TSC_STATE_TSC_ADJUST_VALID 1 +struct kvm_tsc_state { + __u32 flags; + __u64 nsec; + __u64 tsc; + __u64 tsc_adjust; +}; + /* For KVM_CAP_SW_TLB */ #define KVM_MMU_FSL_BOOKE_NOHV 0 @@ -1511,7 +1524,7 @@ struct kvm_enc_region { /* Available with KVM_CAP_MANUAL_DIRTY_LOG_PROTECT_2 */ #define KVM_CLEAR_DIRTY_LOG _IOWR(KVMIO, 0xc0, struct kvm_clear_dirty_log) -/* Available with KVM_CAP_HYPERV_CPUID */ +/* Available with KVM_CAP_HYPERV_CPUID (vcpu) / KVM_CAP_SYS_HYPERV_CPUID (system) */ #define KVM_GET_SUPPORTED_HV_CPUID _IOWR(KVMIO, 0xc1, struct kvm_cpuid2) /* Available with KVM_CAP_ARM_SVE */ @@ -1557,6 +1570,13 @@ struct kvm_pv_cmd { /* Available with KVM_CAP_X86_MSR_FILTER */ #define KVM_X86_SET_MSR_FILTER _IOW(KVMIO, 0xc6, struct kvm_msr_filter) +/* Available with KVM_CAP_DIRTY_LOG_RING */ +#define KVM_RESET_DIRTY_RINGS _IO(KVMIO, 0xc7) + +/* Available with KVM_CAP_PRECISE_TSC*/ +#define KVM_SET_TSC_STATE _IOW(KVMIO, 0xc8, struct kvm_tsc_state) +#define KVM_GET_TSC_STATE _IOR(KVMIO, 0xc9, struct kvm_tsc_state) + /* Secure Encrypted Virtualization command */ enum sev_cmd_id { /* Guest initialization commands */ @@ -1710,4 +1730,52 @@ struct kvm_hyperv_eventfd { #define KVM_DIRTY_LOG_MANUAL_PROTECT_ENABLE (1 << 0) #define KVM_DIRTY_LOG_INITIALLY_SET (1 << 1) +/* + * Arch needs to define the macro after implementing the dirty ring + * feature. KVM_DIRTY_LOG_PAGE_OFFSET should be defined as the + * starting page offset of the dirty ring structures. + */ +#ifndef KVM_DIRTY_LOG_PAGE_OFFSET +#define KVM_DIRTY_LOG_PAGE_OFFSET 0 +#endif + +/* + * KVM dirty GFN flags, defined as: + * + * |---------------+---------------+--------------| + * | bit 1 (reset) | bit 0 (dirty) | Status | + * |---------------+---------------+--------------| + * | 0 | 0 | Invalid GFN | + * | 0 | 1 | Dirty GFN | + * | 1 | X | GFN to reset | + * |---------------+---------------+--------------| + * + * Lifecycle of a dirty GFN goes like: + * + * dirtied harvested reset + * 00 -----------> 01 -------------> 1X -------+ + * ^ | + * | | + * +------------------------------------------+ + * + * The userspace program is only responsible for the 01->1X state + * conversion after harvesting an entry. Also, it must not skip any + * dirty bits, so that dirty bits are always harvested in sequence. + */ +#define KVM_DIRTY_GFN_F_DIRTY BIT(0) +#define KVM_DIRTY_GFN_F_RESET BIT(1) +#define KVM_DIRTY_GFN_F_MASK 0x3 + +/* + * KVM dirty rings should be mapped at KVM_DIRTY_LOG_PAGE_OFFSET of + * per-vcpu mmaped regions as an array of struct kvm_dirty_gfn. The + * size of the gfn buffer is decided by the first argument when + * enabling KVM_CAP_DIRTY_LOG_RING. + */ +struct kvm_dirty_gfn { + __u32 flags; + __u32 slot; + __u64 offset; +}; + #endif /* __LINUX_KVM_H */