From patchwork Tue Apr 17 18:58:25 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Michael S. Tsirkin" X-Patchwork-Id: 10346663 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 916BB60542 for ; Tue, 17 Apr 2018 19:05:52 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 76D04285CE for ; Tue, 17 Apr 2018 19:05:52 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 625E7286EE; Tue, 17 Apr 2018 19:05:52 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.9 required=2.0 tests=BAYES_00, MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI autolearn=unavailable version=3.3.1 Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id D284A285F5 for ; Tue, 17 Apr 2018 18:59:38 +0000 (UTC) Received: from localhost ([::1]:56370 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1f8VpJ-0008DZ-FM for patchwork-qemu-devel@patchwork.kernel.org; Tue, 17 Apr 2018 14:59:37 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:52494) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1f8VoD-0007Gl-Vc for qemu-devel@nongnu.org; Tue, 17 Apr 2018 14:58:31 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1f8VoA-00040x-Cf for qemu-devel@nongnu.org; Tue, 17 Apr 2018 14:58:30 -0400 Received: from mx3-rdu2.redhat.com ([66.187.233.73]:44492 helo=mx1.redhat.com) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1f8VoA-00040K-7Y for qemu-devel@nongnu.org; Tue, 17 Apr 2018 14:58:26 -0400 Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.rdu2.redhat.com [10.11.54.6]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id ACDE0722C7; Tue, 17 Apr 2018 18:58:25 +0000 (UTC) Received: from redhat.com (ovpn-122-168.rdu2.redhat.com [10.10.122.168]) by smtp.corp.redhat.com (Postfix) with SMTP id 3BA99215671C; Tue, 17 Apr 2018 18:58:25 +0000 (UTC) Date: Tue, 17 Apr 2018 21:58:25 +0300 From: "Michael S. Tsirkin" To: qemu-devel@nongnu.org Message-ID: <1523991487-241006-3-git-send-email-mst@redhat.com> References: <1523991487-241006-1-git-send-email-mst@redhat.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <1523991487-241006-1-git-send-email-mst@redhat.com> X-Mutt-Fcc: =sent X-Scanned-By: MIMEDefang 2.78 on 10.11.54.6 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.11.55.2]); Tue, 17 Apr 2018 18:58:25 +0000 (UTC) X-Greylist: inspected by milter-greylist-4.5.16 (mx1.redhat.com [10.11.55.2]); Tue, 17 Apr 2018 18:58:25 +0000 (UTC) for IP:'10.11.54.6' DOMAIN:'int-mx06.intmail.prod.int.rdu2.redhat.com' HELO:'smtp.corp.redhat.com' FROM:'mst@redhat.com' RCPT:'' X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 66.187.233.73 Subject: [Qemu-devel] [PATCH 2/4] include/standard-headers: add asm-x86/kvm_para.h X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Wanpeng Li , Peter Maydell , Eduardo Habkost , kvm@vger.kernel.org, Radim =?utf-8?B?S3LEjW3DocWZ?= , Christian Borntraeger , Eric Auger , Paolo Bonzini Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" X-Virus-Scanned: ClamAV using ClamSMTP Import asm-x86/kvm_para.h from linux where it can be easily used on Linux and non-Linux platforms. Signed-off-by: Michael S. Tsirkin Acked-by: Eduardo Habkost --- include/standard-headers/asm-x86/kvm_para.h | 121 ++++++++++++++++++++++++++++ 1 file changed, 121 insertions(+) create mode 100644 include/standard-headers/asm-x86/kvm_para.h diff --git a/include/standard-headers/asm-x86/kvm_para.h b/include/standard-headers/asm-x86/kvm_para.h new file mode 100644 index 0000000..53a85ae --- /dev/null +++ b/include/standard-headers/asm-x86/kvm_para.h @@ -0,0 +1,121 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ +#ifndef _ASM_X86_KVM_PARA_H +#define _ASM_X86_KVM_PARA_H + +#include "standard-headers/linux/types.h" + +/* This CPUID returns the signature 'KVMKVMKVM' in ebx, ecx, and edx. It + * should be used to determine that a VM is running under KVM. + */ +#define KVM_CPUID_SIGNATURE 0x40000000 + +/* This CPUID returns two feature bitmaps in eax, edx. Before enabling + * a particular paravirtualization, the appropriate feature bit should + * be checked in eax. The performance hint feature bit should be checked + * in edx. + */ +#define KVM_CPUID_FEATURES 0x40000001 +#define KVM_FEATURE_CLOCKSOURCE 0 +#define KVM_FEATURE_NOP_IO_DELAY 1 +#define KVM_FEATURE_MMU_OP 2 +/* This indicates that the new set of kvmclock msrs + * are available. The use of 0x11 and 0x12 is deprecated + */ +#define KVM_FEATURE_CLOCKSOURCE2 3 +#define KVM_FEATURE_ASYNC_PF 4 +#define KVM_FEATURE_STEAL_TIME 5 +#define KVM_FEATURE_PV_EOI 6 +#define KVM_FEATURE_PV_UNHALT 7 +#define KVM_FEATURE_PV_TLB_FLUSH 9 +#define KVM_FEATURE_ASYNC_PF_VMEXIT 10 + +#define KVM_HINTS_DEDICATED 0 + +/* The last 8 bits are used to indicate how to interpret the flags field + * in pvclock structure. If no bits are set, all flags are ignored. + */ +#define KVM_FEATURE_CLOCKSOURCE_STABLE_BIT 24 + +#define MSR_KVM_WALL_CLOCK 0x11 +#define MSR_KVM_SYSTEM_TIME 0x12 + +#define KVM_MSR_ENABLED 1 +/* Custom MSRs falls in the range 0x4b564d00-0x4b564dff */ +#define MSR_KVM_WALL_CLOCK_NEW 0x4b564d00 +#define MSR_KVM_SYSTEM_TIME_NEW 0x4b564d01 +#define MSR_KVM_ASYNC_PF_EN 0x4b564d02 +#define MSR_KVM_STEAL_TIME 0x4b564d03 +#define MSR_KVM_PV_EOI_EN 0x4b564d04 + +struct kvm_steal_time { + uint64_t steal; + uint32_t version; + uint32_t flags; + uint8_t preempted; + uint8_t uint8_t_pad[3]; + uint32_t pad[11]; +}; + +#define KVM_VCPU_PREEMPTED (1 << 0) +#define KVM_VCPU_FLUSH_TLB (1 << 1) + +#define KVM_CLOCK_PAIRING_WALLCLOCK 0 +struct kvm_clock_pairing { + int64_t sec; + int64_t nsec; + uint64_t tsc; + uint32_t flags; + uint32_t pad[9]; +}; + +#define KVM_STEAL_ALIGNMENT_BITS 5 +#define KVM_STEAL_VALID_BITS ((-1ULL << (KVM_STEAL_ALIGNMENT_BITS + 1))) +#define KVM_STEAL_RESERVED_MASK (((1 << KVM_STEAL_ALIGNMENT_BITS) - 1 ) << 1) + +#define KVM_MAX_MMU_OP_BATCH 32 + +#define KVM_ASYNC_PF_ENABLED (1 << 0) +#define KVM_ASYNC_PF_SEND_ALWAYS (1 << 1) +#define KVM_ASYNC_PF_DELIVERY_AS_PF_VMEXIT (1 << 2) + +/* Operations for KVM_HC_MMU_OP */ +#define KVM_MMU_OP_WRITE_PTE 1 +#define KVM_MMU_OP_FLUSH_TLB 2 +#define KVM_MMU_OP_RELEASE_PT 3 + +/* Payload for KVM_HC_MMU_OP */ +struct kvm_mmu_op_header { + uint32_t op; + uint32_t pad; +}; + +struct kvm_mmu_op_write_pte { + struct kvm_mmu_op_header header; + uint64_t pte_phys; + uint64_t pte_val; +}; + +struct kvm_mmu_op_flush_tlb { + struct kvm_mmu_op_header header; +}; + +struct kvm_mmu_op_release_pt { + struct kvm_mmu_op_header header; + uint64_t pt_phys; +}; + +#define KVM_PV_REASON_PAGE_NOT_PRESENT 1 +#define KVM_PV_REASON_PAGE_READY 2 + +struct kvm_vcpu_pv_apf_data { + uint32_t reason; + uint8_t pad[60]; + uint32_t enabled; +}; + +#define KVM_PV_EOI_BIT 0 +#define KVM_PV_EOI_MASK (0x1 << KVM_PV_EOI_BIT) +#define KVM_PV_EOI_ENABLED KVM_PV_EOI_MASK +#define KVM_PV_EOI_DISABLED 0x0 + +#endif /* _ASM_X86_KVM_PARA_H */