From patchwork Mon Jul 31 16:21:44 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Xiaoyao Li X-Patchwork-Id: 13334999 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 9825FC001DC for ; Mon, 31 Jul 2023 16:29:18 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1qQVky-0003rf-0e; Mon, 31 Jul 2023 12:28:28 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1qQVko-0003fx-PD for qemu-devel@nongnu.org; Mon, 31 Jul 2023 12:28:22 -0400 Received: from mgamail.intel.com ([134.134.136.126]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1qQVkl-0008I7-N7 for qemu-devel@nongnu.org; Mon, 31 Jul 2023 12:28:18 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1690820895; x=1722356895; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=Ekv0ksBj/MNS9E1IHSCjapcpIdXM/HpSUStp7qPoMck=; b=Aeg3ck7OkXujtY5rlvsSC9US3luhpw0nnWYm03P/zaxRFxA+Ay1jgXgB U7eFEp+/m25Z68FUibwIOKcD+yuPjw78CB2lRPzQVOLAjhRK1As+9Guab HpzpYkr8ggn9oMyugdkZ0anhF5AVqoQ5roQiqvyAEEerQY2zkLXGeZnfU Ky/jf+N/yqEGRSmE5ScjN0agE5tg+UmfiSHmogFaD7tl+sFf5Cd9LgUdP kHKl/7PPL29sI11lE19MKECLAPK5WUbtecX0fHk+LTwEW2BayAHLVcwsz p2DOVO5KEnQXJyCLOa3u2OlAsk5C5GvMyhUrQ+TqJzcNfEOPSw406QY89 Q==; X-IronPort-AV: E=McAfee;i="6600,9927,10788"; a="353993352" X-IronPort-AV: E=Sophos;i="6.01,244,1684825200"; d="scan'208";a="353993352" Received: from orsmga008.jf.intel.com ([10.7.209.65]) by orsmga106.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 31 Jul 2023 09:25:01 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10788"; a="757983955" X-IronPort-AV: E=Sophos;i="6.01,244,1684825200"; d="scan'208";a="757983955" Received: from lxy-clx-4s.sh.intel.com ([10.239.48.46]) by orsmga008.jf.intel.com with ESMTP; 31 Jul 2023 09:24:56 -0700 From: Xiaoyao Li To: Paolo Bonzini , Sean Christopherson , David Hildenbrand , Igor Mammedov , "Michael S. Tsirkin" , Marcel Apfelbaum , Richard Henderson , Marcelo Tosatti Cc: Markus Armbruster , Eric Blake , =?utf-8?q?Daniel_P=2E_Berrang=C3=A9?= , =?utf-8?q?Phil?= =?utf-8?q?ippe_Mathieu-Daud=C3=A9?= , Peter Xu , Chao Peng , Michael Roth , isaku.yamahata@gmail.com, xiaoyao.li@intel.com, qemu-devel@nongnu.org, kvm@vger.kernel.org Subject: [RFC PATCH 02/19] *** HACK *** linux-headers: Update headers to pull in gmem APIs Date: Mon, 31 Jul 2023 12:21:44 -0400 Message-Id: <20230731162201.271114-3-xiaoyao.li@intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230731162201.271114-1-xiaoyao.li@intel.com> References: <20230731162201.271114-1-xiaoyao.li@intel.com> MIME-Version: 1.0 Received-SPF: pass client-ip=134.134.136.126; envelope-from=xiaoyao.li@intel.com; helo=mgamail.intel.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, HK_RANDOM_ENVFROM=0.001, HK_RANDOM_FROM=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org This patch needs to be updated by script scripts/update-linux-headers.sh once gmem fd support is upstreamed in Linux kernel. Signed-off-by: Xiaoyao Li --- linux-headers/asm-x86/kvm.h | 3 +++ linux-headers/linux/kvm.h | 50 +++++++++++++++++++++++++++++++++++++ 2 files changed, 53 insertions(+) diff --git a/linux-headers/asm-x86/kvm.h b/linux-headers/asm-x86/kvm.h index 2b3a8f7bd2c0..003fb745347c 100644 --- a/linux-headers/asm-x86/kvm.h +++ b/linux-headers/asm-x86/kvm.h @@ -560,4 +560,7 @@ struct kvm_pmu_event_filter { /* x86-specific KVM_EXIT_HYPERCALL flags. */ #define KVM_EXIT_HYPERCALL_LONG_MODE BIT(0) +#define KVM_X86_DEFAULT_VM 0 +#define KVM_X86_SW_PROTECTED_VM 1 + #endif /* _ASM_X86_KVM_H */ diff --git a/linux-headers/linux/kvm.h b/linux-headers/linux/kvm.h index 1f3f3333a4d8..278bed78f98e 100644 --- a/linux-headers/linux/kvm.h +++ b/linux-headers/linux/kvm.h @@ -95,6 +95,19 @@ struct kvm_userspace_memory_region { __u64 userspace_addr; /* start of the userspace allocated memory */ }; +/* for KVM_SET_USER_MEMORY_REGION2 */ +struct kvm_userspace_memory_region2 { + __u32 slot; + __u32 flags; + __u64 guest_phys_addr; + __u64 memory_size; + __u64 userspace_addr; + __u64 gmem_offset; + __u32 gmem_fd; + __u32 pad1; + __u64 pad2[14]; +}; + /* * The bit 0 ~ bit 15 of kvm_userspace_memory_region::flags are visible for * userspace, other bits are reserved for kvm internal use which are defined @@ -102,6 +115,7 @@ struct kvm_userspace_memory_region { */ #define KVM_MEM_LOG_DIRTY_PAGES (1UL << 0) #define KVM_MEM_READONLY (1UL << 1) +#define KVM_MEM_PRIVATE (1UL << 2) /* for KVM_IRQ_LINE */ struct kvm_irq_level { @@ -264,6 +278,7 @@ struct kvm_xen_exit { #define KVM_EXIT_RISCV_SBI 35 #define KVM_EXIT_RISCV_CSR 36 #define KVM_EXIT_NOTIFY 37 +#define KVM_EXIT_MEMORY_FAULT 38 /* For KVM_EXIT_INTERNAL_ERROR */ /* Emulate instruction failed. */ @@ -506,6 +521,13 @@ struct kvm_run { #define KVM_NOTIFY_CONTEXT_INVALID (1 << 0) __u32 flags; } notify; + /* KVM_EXIT_MEMORY_FAULT */ + struct { +#define KVM_MEMORY_EXIT_FLAG_PRIVATE (1ULL << 3) + __u64 flags; + __u64 gpa; + __u64 size; + } memory; /* Fix the size of the union. */ char padding[256]; }; @@ -1188,6 +1210,9 @@ struct kvm_ppc_resize_hpt { #define KVM_CAP_COUNTER_OFFSET 227 #define KVM_CAP_ARM_EAGER_SPLIT_CHUNK_SIZE 228 #define KVM_CAP_ARM_SUPPORTED_BLOCK_SIZES 229 +#define KVM_CAP_USER_MEMORY2 230 +#define KVM_CAP_MEMORY_ATTRIBUTES 231 +#define KVM_CAP_VM_TYPES 232 #ifdef KVM_CAP_IRQ_ROUTING @@ -1462,6 +1487,8 @@ struct kvm_vfio_spapr_tce { struct kvm_userspace_memory_region) #define KVM_SET_TSS_ADDR _IO(KVMIO, 0x47) #define KVM_SET_IDENTITY_MAP_ADDR _IOW(KVMIO, 0x48, __u64) +#define KVM_SET_USER_MEMORY_REGION2 _IOW(KVMIO, 0x49, \ + struct kvm_userspace_memory_region2) /* enable ucontrol for s390 */ struct kvm_s390_ucas_mapping { @@ -2245,4 +2272,27 @@ struct kvm_s390_zpci_op { /* flags for kvm_s390_zpci_op->u.reg_aen.flags */ #define KVM_S390_ZPCIOP_REGAEN_HOST (1 << 0) +/* Available with KVM_CAP_MEMORY_ATTRIBUTES */ +#define KVM_GET_SUPPORTED_MEMORY_ATTRIBUTES _IOR(KVMIO, 0xd2, __u64) +#define KVM_SET_MEMORY_ATTRIBUTES _IOW(KVMIO, 0xd3, struct kvm_memory_attributes) + +struct kvm_memory_attributes { + __u64 address; + __u64 size; + __u64 attributes; + __u64 flags; +}; + +#define KVM_MEMORY_ATTRIBUTE_PRIVATE (1ULL << 3) + +#define KVM_CREATE_GUEST_MEMFD _IOWR(KVMIO, 0xd4, struct kvm_create_guest_memfd) + +#define KVM_GUEST_MEMFD_ALLOW_HUGEPAGE (1ULL << 0) + +struct kvm_create_guest_memfd { + __u64 size; + __u64 flags; + __u64 reserved[6]; +}; + #endif /* __LINUX_KVM_H */