From mboxrd@z Thu Jan 1 00:00:00 1970 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 lists1p.gnu.org (lists1p.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 15325CD3427 for ; Tue, 5 May 2026 18:52:00 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists1p.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1wKKr6-0000g0-FI; Tue, 05 May 2026 14:50:52 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists1p.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1wKKr2-0000eg-5C for qemu-devel@nongnu.org; Tue, 05 May 2026 14:50:48 -0400 Received: from linux.microsoft.com ([13.77.154.182]) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1wKKqx-0006in-57 for qemu-devel@nongnu.org; Tue, 05 May 2026 14:50:44 -0400 Received: from laptop.localdomain (unknown [86.121.140.248]) by linux.microsoft.com (Postfix) with ESMTPSA id 745AB20B716B; Tue, 5 May 2026 11:50:38 -0700 (PDT) DKIM-Filter: OpenDKIM Filter v2.11.0 linux.microsoft.com 745AB20B716B DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.microsoft.com; s=default; t=1778007040; bh=JoVfvivCSpq5Fgy432g9+gtjWSn5QfgpvK1DLQ5a2J0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=UgCal4l4oMIEHjyQpS4F4dwsq45xDLz65BLBqzsJkKqrB0K1GABQh1rAnPRgcO7xh oEHm5CXovPBSDjYgSJR+FDFdH/X/dhs0xoZK8NHxYQn/tfYC+qYjOT6BGiOdWEJiVj 4pxtYQJ7Y62PhJLG2JTtnqRTFZx8rR/nhf5az1ZU= From: =?UTF-8?q?Doru=20Bl=C3=A2nzeanu?= To: qemu-devel@nongnu.org Cc: =?UTF-8?q?Doru=20Bl=C3=A2nzeanu?= , Magnus Kulke , Zhao Liu , Wei Liu , Paolo Bonzini Subject: [PATCH v2 3/7] include/hw/hyperv: add hv_vp_register_page struct definition Date: Tue, 5 May 2026 21:50:24 +0300 Message-ID: <20260505185028.237207-4-dblanzeanu@linux.microsoft.com> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260505185028.237207-1-dblanzeanu@linux.microsoft.com> References: <20260505185028.237207-1-dblanzeanu@linux.microsoft.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=13.77.154.182; envelope-from=dblanzeanu@linux.microsoft.com; helo=linux.microsoft.com X-Spam_score_int: -19 X-Spam_score: -2.0 X-Spam_bar: -- X-Spam_report: (-2.0 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 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: qemu development 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 Define the `hv_vp_register_page` structure that the linux kernel uses to allow access to vcpu registers. This structure is going to be used in later patches to access vcpu registers. Signed-off-by: Doru Blânzeanu --- include/hw/hyperv/hvgdk.h | 2 + include/hw/hyperv/hvhdk.h | 105 ++++++++++++++++++++++++++++++++++++++ 2 files changed, 107 insertions(+) diff --git a/include/hw/hyperv/hvgdk.h b/include/hw/hyperv/hvgdk.h index 71161f477c..e4be861716 100644 --- a/include/hw/hyperv/hvgdk.h +++ b/include/hw/hyperv/hvgdk.h @@ -9,6 +9,8 @@ #ifndef HW_HYPERV_HVGDK_H #define HW_HYPERV_HVGDK_H +#include "hvgdk_mini.h" + #define HVGDK_H_VERSION (25125) enum hv_unimplemented_msr_action { diff --git a/include/hw/hyperv/hvhdk.h b/include/hw/hyperv/hvhdk.h index 41af743847..4a3b543893 100644 --- a/include/hw/hyperv/hvhdk.h +++ b/include/hw/hyperv/hvhdk.h @@ -9,7 +9,11 @@ #ifndef HW_HYPERV_HVHDK_H #define HW_HYPERV_HVHDK_H +#include "hvgdk.h" +#include "hvhdk_mini.h" + #define HV_PARTITION_SYNTHETIC_PROCESSOR_FEATURES_BANKS 1 +#define HV_VP_REGISTER_PAGE_MAX_VECTOR_COUNT 7 struct hv_input_set_partition_property { uint64_t partition_id; @@ -246,4 +250,105 @@ typedef struct hv_input_register_intercept_result { union hv_register_intercept_result_parameters parameters; } QEMU_PACKED hv_input_register_intercept_result; +/* Flags for dirty mask of hv_vp_register_page */ +enum hv_x64_register_class_type { + HV_X64_REGISTER_CLASS_GENERAL = 0, + HV_X64_REGISTER_CLASS_IP = 1, + HV_X64_REGISTER_CLASS_XMM = 2, + HV_X64_REGISTER_CLASS_SEGMENT = 3, + HV_X64_REGISTER_CLASS_FLAGS = 4, +}; + +union hv_vp_register_page_interrupt_vectors { + uint64_t as_uint64; + struct { + uint8_t vector_count; + uint8_t vector[HV_VP_REGISTER_PAGE_MAX_VECTOR_COUNT]; + }; +}; + +struct hv_vp_register_page { + uint16_t version; + uint8_t isvalid; + uint8_t rsvdz; + uint32_t dirty; + + union { + struct { + /* General purpose registers (HV_X64_REGISTER_CLASS_GENERAL) */ + union { + struct { + uint64_t rax; + uint64_t rcx; + uint64_t rdx; + uint64_t rbx; + uint64_t rsp; + uint64_t rbp; + uint64_t rsi; + uint64_t rdi; + uint64_t r8; + uint64_t r9; + uint64_t r10; + uint64_t r11; + uint64_t r12; + uint64_t r13; + uint64_t r14; + uint64_t r15; + } QEMU_PACKED; + + uint64_t gp_registers[16]; + }; + /* Instruction pointer (HV_X64_REGISTER_CLASS_IP) */ + uint64_t rip; + /* Flags (HV_X64_REGISTER_CLASS_FLAGS) */ + uint64_t rflags; + } QEMU_PACKED; + + uint64_t registers[18]; + }; + uint8_t reserved[8]; + /* Volatile XMM registers (HV_X64_REGISTER_CLASS_XMM) */ + union { + struct { + struct hv_u128 xmm0; + struct hv_u128 xmm1; + struct hv_u128 xmm2; + struct hv_u128 xmm3; + struct hv_u128 xmm4; + struct hv_u128 xmm5; + } QEMU_PACKED; + + struct hv_u128 xmm_registers[6]; + }; + /* Segment registers (HV_X64_REGISTER_CLASS_SEGMENT) */ + union { + struct { + struct hv_x64_segment_register es; + struct hv_x64_segment_register cs; + struct hv_x64_segment_register ss; + struct hv_x64_segment_register ds; + struct hv_x64_segment_register fs; + struct hv_x64_segment_register gs; + } QEMU_PACKED; + + struct hv_x64_segment_register segment_registers[6]; + }; + /* Misc. control registers (cannot be set via this interface) */ + uint64_t cr0; + uint64_t cr3; + uint64_t cr4; + uint64_t cr8; + uint64_t efer; + uint64_t dr7; + union hv_x64_pending_interruption_register pending_interruption; + union hv_x64_interrupt_state_register interrupt_state; + uint64_t instruction_emulation_hints; + uint64_t xfem; + + uint8_t reserved1[0x100]; + + /* Interrupts injected as part of HvCallDispatchVp. */ + union hv_vp_register_page_interrupt_vectors interrupt_vectors; +} QEMU_PACKED; + #endif /* HW_HYPERV_HVHDK_H */ -- 2.53.0