From patchwork Fri Feb 4 10:07:21 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jon Doron X-Patchwork-Id: 1588359 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: bilbo.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256 header.s=20210112 header.b=fokLoMQQ; dkim-atps=neutral Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) 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 bilbo.ozlabs.org (Postfix) with ESMTPS id 4JqsGS6NPXz9s5B for ; Fri, 4 Feb 2022 21:29:19 +1100 (AEDT) Received: from localhost ([::1]:54716 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1nFvq8-0004k0-Ci for incoming@patchwork.ozlabs.org; Fri, 04 Feb 2022 05:29:16 -0500 Received: from eggs.gnu.org ([209.51.188.92]:39520) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nFvVU-0002d1-EV for qemu-devel@nongnu.org; Fri, 04 Feb 2022 05:07:57 -0500 Received: from [2a00:1450:4864:20::436] (port=33488 helo=mail-wr1-x436.google.com) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1nFvVS-0000kI-Fb for qemu-devel@nongnu.org; Fri, 04 Feb 2022 05:07:56 -0500 Received: by mail-wr1-x436.google.com with SMTP id e8so10393567wrc.0 for ; Fri, 04 Feb 2022 02:07:54 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=b1XWnjDcCbZm2gwImaeo2S68uMNinomIBhWrSxvxoDE=; b=fokLoMQQSexAaQJbWD4IU9lu5oBzKpjivqjgfvmeCFo28pTIEXKWYcD6CUJVxjW0es 7vvU0bvytkhGCcgvVQnCl0fQzYcwkVt7CehItdhBAFy1SuVtkdQvq+bUgFUs8dRp1vD+ EaAcbNa8DWtH0cm22M/p2Vs2yhAw5bkZA5Vluv1KKUrr1xEAAvb4gvmOElkHJqUFmW7o 8fHvCakXclIl8mdWyUugOxLRslbG5kmR8Zk+31LoZAgzfiZ5b2TUHbd8P4NM33DU+rWM 3JidNcv35k83li1JKtWDPQB8wZu1uBURH2pEa1eu3paOpuOSyg51ywPjdyK87hpfRbio kAAw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=b1XWnjDcCbZm2gwImaeo2S68uMNinomIBhWrSxvxoDE=; b=i4Q7Et9w5TsBqrTRiglTSY2PV/D6Lyvjke4+5AWU70aEX4RgpKMhiMAXsXveGUSYWo TeHDdUEJyjJ34VvhUDrTb+BFrnFWQMYb9A3+LBb8J7uBLANSvW+KumEftRo6RxBdTer5 tONgylXdJwMMnAtnDqEJWIi7Zpf/IP9u8PtF6h1dFaDztMrqYa55UyG9n6NMHz0+CviB pSu7zovDfB/2fK0IsRwNgrgcPFo+6jnlbgWRTd9ctZh69i7c9CVv058hlA+XL/eL3chJ 7T6wtOW4qr+XxX+ujRx01GaPrf43j/K/NVWL4LS6lQRCSHY3deszfjTq4Hx1SNCHqQMP snpA== X-Gm-Message-State: AOAM5302pPgT9/MB5nRUxhSsf1q1cDaoPRrXUzhSXiNtZlU3RF0iputB mCCp+NG9DypeWFFCFav92yA5P8JbPAA= X-Google-Smtp-Source: ABdhPJzMt+EHqRGzG9OJvRPSmYMXENvw670+raG2ZvQXcp3FHM+am9873k+snCeuaDit5s9X5IOZwA== X-Received: by 2002:a05:6000:18a1:: with SMTP id b1mr1781811wri.403.1643969272978; Fri, 04 Feb 2022 02:07:52 -0800 (PST) Received: from localhost.localdomain ([2a0d:6fc2:4af1:7d00:5e41:a6ea:ffaa:548c]) by smtp.gmail.com with ESMTPSA id u18sm657227wrn.110.2022.02.04.02.07.51 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 04 Feb 2022 02:07:52 -0800 (PST) From: Jon Doron To: qemu-devel@nongnu.org Subject: [PATCH v1 2/4] hyperv: Add definitions for syndbg Date: Fri, 4 Feb 2022 12:07:21 +0200 Message-Id: <20220204100723.406121-3-arilou@gmail.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220204100723.406121-1-arilou@gmail.com> References: <20220204100723.406121-1-arilou@gmail.com> MIME-Version: 1.0 X-Host-Lookup-Failed: Reverse DNS lookup failed for 2a00:1450:4864:20::436 (failed) Received-SPF: pass client-ip=2a00:1450:4864:20::436; envelope-from=arilou@gmail.com; helo=mail-wr1-x436.google.com X-Spam_score_int: -12 X-Spam_score: -1.3 X-Spam_bar: - X-Spam_report: (-1.3 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001, PDS_HP_HELO_NORDNS=0.001, RCVD_IN_DNSWL_NONE=-0.0001, RDNS_NONE=0.793, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=no 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: , Cc: pbonzini@redhat.com, vkuznets@redhat.com, Jon Doron Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" Add all required definitions for hyperv synthetic debugger interface. Signed-off-by: Jon Doron --- include/hw/hyperv/hyperv-proto.h | 52 ++++++++++++++++++++++++++++++++ target/i386/kvm/hyperv-proto.h | 37 +++++++++++++++++++++++ 2 files changed, 89 insertions(+) diff --git a/include/hw/hyperv/hyperv-proto.h b/include/hw/hyperv/hyperv-proto.h index 21dc28aee9..94c9658eb0 100644 --- a/include/hw/hyperv/hyperv-proto.h +++ b/include/hw/hyperv/hyperv-proto.h @@ -24,12 +24,17 @@ #define HV_STATUS_INVALID_PORT_ID 17 #define HV_STATUS_INVALID_CONNECTION_ID 18 #define HV_STATUS_INSUFFICIENT_BUFFERS 19 +#define HV_STATUS_NOT_ACKNOWLEDGED 20 +#define HV_STATUS_NO_DATA 27 /* * Hypercall numbers */ #define HV_POST_MESSAGE 0x005c #define HV_SIGNAL_EVENT 0x005d +#define HV_POST_DEBUG_DATA 0x0069 +#define HV_RETREIVE_DEBUG_DATA 0x006a +#define HV_RESET_DEBUG_SESSION 0x006b #define HV_HYPERCALL_FAST (1u << 16) /* @@ -127,4 +132,51 @@ struct hyperv_event_flags_page { struct hyperv_event_flags slot[HV_SINT_COUNT]; }; +/* + * Kernel debugger structures + */ + +/* Options flags for hyperv_reset_debug_session */ +#define HV_DEBUG_PURGE_INCOMING_DATA 0x00000001 +#define HV_DEBUG_PURGE_OUTGOING_DATA 0x00000002 +struct hyperv_reset_debug_session_input { + uint32_t options; +} __attribute__ ((__packed__)); + +struct hyperv_reset_debug_session_output { + uint32_t host_ip; + uint32_t target_ip; + uint16_t host_port; + uint16_t target_port; + uint8_t host_mac[6]; + uint8_t target_mac[6]; +} __attribute__ ((__packed__)); + +/* Options for hyperv_post_debug_data */ +#define HV_DEBUG_POST_LOOP 0x00000001 + +struct hyperv_post_debug_data_input { + uint32_t count; + uint32_t options; + /*uint8_t data[HV_HYP_PAGE_SIZE - 2 * sizeof(uint32_t)];*/ +} __attribute__ ((__packed__)); + +struct hyperv_post_debug_data_output { + uint32_t pending_count; +} __attribute__ ((__packed__)); + +/* Options for hyperv_retrieve_debug_data */ +#define HV_DEBUG_RETRIEVE_LOOP 0x00000001 +#define HV_DEBUG_RETRIEVE_TEST_ACTIVITY 0x00000002 + +struct hyperv_retrieve_debug_data_input { + uint32_t count; + uint32_t options; + uint64_t timeout; +} __attribute__ ((__packed__)); + +struct hyperv_retrieve_debug_data_output { + uint32_t retrieved_count; + uint32_t remaining_count; +} __attribute__ ((__packed__)); #endif diff --git a/target/i386/kvm/hyperv-proto.h b/target/i386/kvm/hyperv-proto.h index 89f81afda7..9480bcdf04 100644 --- a/target/i386/kvm/hyperv-proto.h +++ b/target/i386/kvm/hyperv-proto.h @@ -19,6 +19,9 @@ #define HV_CPUID_ENLIGHTMENT_INFO 0x40000004 #define HV_CPUID_IMPLEMENT_LIMITS 0x40000005 #define HV_CPUID_NESTED_FEATURES 0x4000000A +#define HV_CPUID_SYNDBG_VENDOR_AND_MAX_FUNCTIONS 0x40000080 +#define HV_CPUID_SYNDBG_INTERFACE 0x40000081 +#define HV_CPUID_SYNDBG_PLATFORM_CAPABILITIES 0x40000082 #define HV_CPUID_MIN 0x40000005 #define HV_CPUID_MAX 0x4000ffff #define HV_HYPERVISOR_PRESENT_BIT 0x80000000 @@ -55,8 +58,14 @@ #define HV_GUEST_IDLE_STATE_AVAILABLE (1u << 5) #define HV_FREQUENCY_MSRS_AVAILABLE (1u << 8) #define HV_GUEST_CRASH_MSR_AVAILABLE (1u << 10) +#define HV_FEATURE_DEBUG_MSRS_AVAILABLE (1u << 11) #define HV_STIMER_DIRECT_MODE_AVAILABLE (1u << 19) +/* + * HV_CPUID_FEATURES.EBX bits + */ +#define HV_PARTITION_DEUBGGING_ALLOWED (1u << 12) + /* * HV_CPUID_ENLIGHTMENT_INFO.EAX bits */ @@ -72,6 +81,11 @@ #define HV_ENLIGHTENED_VMCS_RECOMMENDED (1u << 14) #define HV_NO_NONARCH_CORESHARING (1u << 18) +/* + * HV_CPUID_SYNDBG_PLATFORM_CAPABILITIES.EAX bits + */ +#define HV_SYNDBG_CAP_ALLOW_KERNEL_DEBUGGING (1u << 1) + /* * Basic virtualized MSRs */ @@ -130,6 +144,18 @@ #define HV_X64_MSR_STIMER3_CONFIG 0x400000B6 #define HV_X64_MSR_STIMER3_COUNT 0x400000B7 +/* + * Hyper-V Synthetic debug options MSR + */ +#define HV_X64_MSR_SYNDBG_CONTROL 0x400000F1 +#define HV_X64_MSR_SYNDBG_STATUS 0x400000F2 +#define HV_X64_MSR_SYNDBG_SEND_BUFFER 0x400000F3 +#define HV_X64_MSR_SYNDBG_RECV_BUFFER 0x400000F4 +#define HV_X64_MSR_SYNDBG_PENDING_BUFFER 0x400000F5 +#define HV_X64_MSR_SYNDBG_OPTIONS 0x400000FF + +#define HV_X64_SYNDBG_OPTION_USE_HCALLS BIT(2) + /* * Guest crash notification MSRs */ @@ -168,5 +194,16 @@ #define HV_STIMER_COUNT 4 +/* + * Synthetic debugger control definitions + */ +#define HV_SYNDBG_CONTROL_SEND (1u << 0) +#define HV_SYNDBG_CONTROL_RECV (1u << 1) +#define HV_SYNDBG_CONTROL_SEND_SIZE(ctl) ((ctl >> 16) & 0xffff) +#define HV_SYNDBG_STATUS_INVALID (0) +#define HV_SYNDBG_STATUS_SEND_SUCCESS (1u << 0) +#define HV_SYNDBG_STATUS_RECV_SUCCESS (1u << 2) +#define HV_SYNDBG_STATUS_RESET (1u << 3) +#define HV_SYNDBG_STATUS_SET_SIZE(st, sz) (st | (sz << 16)) #endif