From patchwork Mon Nov 16 13:10:10 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Roman Bolshakov X-Patchwork-Id: 11908457 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id BF8A114B3 for ; Mon, 16 Nov 2020 13:13:56 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 7ABBB2223D for ; Mon, 16 Nov 2020 13:13:56 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=yadro.com header.i=@yadro.com header.b="QC+vIKr9" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 7ABBB2223D Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=yadro.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Received: from localhost ([::1]:60882 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1keeKR-0000Ts-EQ for patchwork-qemu-devel@patchwork.kernel.org; Mon, 16 Nov 2020 08:13:55 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:40472) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1keeH9-0004CS-Cj for qemu-devel@nongnu.org; Mon, 16 Nov 2020 08:10:31 -0500 Received: from mta-02.yadro.com ([89.207.88.252]:35686 helo=mta-01.yadro.com) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1keeH5-0002uh-8B for qemu-devel@nongnu.org; Mon, 16 Nov 2020 08:10:31 -0500 Received: from localhost (unknown [127.0.0.1]) by mta-01.yadro.com (Postfix) with ESMTP id D186A41373; Mon, 16 Nov 2020 13:10:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=yadro.com; h= content-type:content-type:content-transfer-encoding:mime-version :references:in-reply-to:x-mailer:message-id:date:date:subject :subject:from:from:received:received:received; s=mta-01; t= 1605532224; x=1607346625; bh=6qksPsC8TxVM6cbrYY40O/GefzqGChR5LH9 2hSj6dks=; b=QC+vIKr9sPm48D3c3RGvhQrmYsjaBifsZXu5R7x0l/oXf5XYAqw Ce34xsCiw93eCTI7fvwfKb/qKBxL3A4pDYKUFA27TfIIjNhDhgpK7PSY8T0ZEhPP xCaKDZZj7THmzq0TuDFh8ZKcwNHVEE6HozTTPTVA3r1tkKtDrq/kvHzg= X-Virus-Scanned: amavisd-new at yadro.com Received: from mta-01.yadro.com ([127.0.0.1]) by localhost (mta-01.yadro.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id lEpfjD9dG7uv; Mon, 16 Nov 2020 16:10:24 +0300 (MSK) Received: from T-EXCH-04.corp.yadro.com (t-exch-04.corp.yadro.com [172.17.100.104]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-SHA384 (256/256 bits)) (No client certificate requested) by mta-01.yadro.com (Postfix) with ESMTPS id C0ACF41394; Mon, 16 Nov 2020 16:10:24 +0300 (MSK) Received: from localhost (172.17.204.212) by T-EXCH-04.corp.yadro.com (172.17.100.104) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384_P384) id 15.1.669.32; Mon, 16 Nov 2020 16:10:24 +0300 From: Roman Bolshakov To: Subject: [PATCH for-6.0 5/6] hmp: Add 'info accel' command Date: Mon, 16 Nov 2020 16:10:10 +0300 Message-ID: <20201116131011.26607-6-r.bolshakov@yadro.com> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20201116131011.26607-1-r.bolshakov@yadro.com> References: <20201116131011.26607-1-r.bolshakov@yadro.com> MIME-Version: 1.0 X-Originating-IP: [172.17.204.212] X-ClientProxiedBy: T-EXCH-01.corp.yadro.com (172.17.10.101) To T-EXCH-04.corp.yadro.com (172.17.100.104) Received-SPF: pass client-ip=89.207.88.252; envelope-from=r.bolshakov@yadro.com; helo=mta-01.yadro.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/11/16 08:10:19 X-ACL-Warn: Detected OS = Linux 3.11 and newer [fuzzy] 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, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, SPF_HELO_NONE=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: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Roman Bolshakov , "Dr. David Alan Gilbert" Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" The command is made after 'info kvm' and aims to replace it as more generic one. If used without parameters, the command can used to get current accelerator. Otherwise, it may be used to determine if an accelerator is available. Here's an example if a VM with hvf accel is started: (qemu) info accel hvf support: enabled (qemu) info accel kvm kvm support: not compiled (qemu) info accel tcg tcg support: disabled Signed-off-by: Roman Bolshakov Reviewed-by: Dr. David Alan Gilbert --- hmp-commands-info.hx | 13 +++++++++++++ include/monitor/hmp.h | 1 + monitor/hmp-cmds.c | 32 ++++++++++++++++++++++++++++++++ 3 files changed, 46 insertions(+) diff --git a/hmp-commands-info.hx b/hmp-commands-info.hx index 117ba25f91..e9da6b52e4 100644 --- a/hmp-commands-info.hx +++ b/hmp-commands-info.hx @@ -337,6 +337,19 @@ SRST Show KVM information. ERST + { + .name = "accel", + .args_type = "name:s?", + .params = "[name]", + .help = "show accelerator information", + .cmd = hmp_info_accel, + }, + +SRST + ``info accel``` [*name*] + Show accelerator information. +ERST + { .name = "numa", .args_type = "", diff --git a/include/monitor/hmp.h b/include/monitor/hmp.h index ed2913fd18..03f22957d9 100644 --- a/include/monitor/hmp.h +++ b/include/monitor/hmp.h @@ -21,6 +21,7 @@ void hmp_handle_error(Monitor *mon, Error *err); void hmp_info_name(Monitor *mon, const QDict *qdict); void hmp_info_version(Monitor *mon, const QDict *qdict); void hmp_info_kvm(Monitor *mon, const QDict *qdict); +void hmp_info_accel(Monitor *mon, const QDict *qdict); void hmp_info_status(Monitor *mon, const QDict *qdict); void hmp_info_uuid(Monitor *mon, const QDict *qdict); void hmp_info_chardev(Monitor *mon, const QDict *qdict); diff --git a/monitor/hmp-cmds.c b/monitor/hmp-cmds.c index ea86289fe8..00db791aa3 100644 --- a/monitor/hmp-cmds.c +++ b/monitor/hmp-cmds.c @@ -20,6 +20,7 @@ #include "chardev/char.h" #include "sysemu/block-backend.h" #include "sysemu/runstate.h" +#include "sysemu/accel.h" #include "qemu/config-file.h" #include "qemu/option.h" #include "qemu/timer.h" @@ -133,6 +134,37 @@ void hmp_info_kvm(Monitor *mon, const QDict *qdict) qapi_free_AccelInfo(info); } +void hmp_info_accel(Monitor *mon, const QDict *qdict) +{ + AccelInfo *info; + AccelClass *acc; + const char *name, *typename; + char *current_name; + int len; + + /* Figure out current accelerator */ + acc = ACCEL_GET_CLASS(current_accel()); + typename = object_class_get_name(OBJECT_CLASS(acc)); + len = strlen(typename) - strlen(ACCEL_CLASS_SUFFIX); + current_name = g_strndup(typename, len); + + name = qdict_get_try_str(qdict, "name"); + if (!name) { + name = current_name; + } + + info = qmp_query_accel(name, NULL); + monitor_printf(mon, "%s support: ", name); + if (info->present) { + monitor_printf(mon, "%s\n", info->enabled ? "enabled" : "disabled"); + } else { + monitor_printf(mon, "not compiled\n"); + } + + qapi_free_AccelInfo(info); + g_free(current_name); +} + void hmp_info_status(Monitor *mon, const QDict *qdict) { StatusInfo *info;