From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Michael S. Tsirkin" Subject: [PATCH 2/4] include/standard-headers: add asm-x86/kvm_para.h Date: Tue, 17 Apr 2018 21:58:25 +0300 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-Type: text/plain; charset=us-ascii Cc: Wanpeng Li , Peter Maydell , Eduardo Habkost , kvm@vger.kernel.org, Radim =?utf-8?B?S3LEjW3DocWZ?= , Christian Borntraeger , Eric Auger , Paolo Bonzini To: qemu-devel@nongnu.org Return-path: Content-Disposition: inline In-Reply-To: <1523991487-241006-1-git-send-email-mst@redhat.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+gceq-qemu-devel2=m.gmane.org@nongnu.org Sender: "Qemu-devel" List-Id: kvm.vger.kernel.org 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 --- 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 */ -- MST From mboxrd@z Thu Jan 1 00:00:00 1970 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 Date: Tue, 17 Apr 2018 21:58:25 +0300 From: "Michael S. Tsirkin" 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-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1523991487-241006-1-git-send-email-mst@redhat.com> Subject: [Qemu-devel] [PATCH 2/4] include/standard-headers: add asm-x86/kvm_para.h List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: Wanpeng Li , kvm@vger.kernel.org, Paolo Bonzini , Radim =?utf-8?B?S3LEjW3DocWZ?= , Eduardo Habkost , Christian Borntraeger , Peter Maydell , Eric Auger 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 --- 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 */ -- MST