From patchwork Wed Mar 1 02:51:22 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: zhenwei pi X-Patchwork-Id: 13155472 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 4428FC64EC4 for ; Wed, 1 Mar 2023 02:53:46 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1pXCZj-00082s-Fl; Tue, 28 Feb 2023 21:52:15 -0500 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 1pXCZc-0007zu-6d for qemu-devel@nongnu.org; Tue, 28 Feb 2023 21:52:09 -0500 Received: from mail-pl1-x634.google.com ([2607:f8b0:4864:20::634]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1pXCZa-0001d3-35 for qemu-devel@nongnu.org; Tue, 28 Feb 2023 21:52:07 -0500 Received: by mail-pl1-x634.google.com with SMTP id p6so11712080plf.0 for ; Tue, 28 Feb 2023 18:52:05 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bytedance.com; s=google; t=1677639125; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=INrx0BfaOa4IFJ+qXVprp2CmsCQfySfcHiPFFgrxkcs=; b=kJgz+KxRsEkDyWWeKqaQFGR7ZEWdrWDpF6W4sQClAG75FaUfAwsdFnK72gDkXeKkTo cb1wuCjZqUbII6C3+fVqOEN+l3mdt/foVefoDs+kmIAPv9qzdcgi7xj3dWBi6D4O7tkd 7aWssaeugcJzE8F/9UenK9zF0QLA+go9S2AQhlT0Uf4DlGHUDBKnALwwCk4bx+Z8C7Xs kjdoE9Wqa6E+sGQF8g/j5ZUQUZkRmrKEJpIPj5TP1LwOd3LlEmGHe+6oambEtkA/v3AS COtAfEJAfZsZshJO1FRjTCUsa96II42X48KfO/B060XUn2Ss2LGX8bn4pKqtyKhH/1bG 3ouA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; t=1677639125; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=INrx0BfaOa4IFJ+qXVprp2CmsCQfySfcHiPFFgrxkcs=; b=cyVtLBCDYv3sketv6Rllx4JfnKkA77MxEZXBuQamZl7l6o3PYaTjHNyIzJeCw539oa 3HxZwCJQsb+PLU0FRZ/ur366TCv7M13r19N8TyQjKJTij9RZEX3kW47QLV9bLycgCuTg b6YtfwEvGSIFmnJFtOoyOSN5EGa9YcFvXaQJXXh9pYUKluiK9oKeWe0b+eU/kZa7Q7QM R5RMp5VBSWmhtBOukEXeKXliDTio82mhG/pYOpNjdSnl0KCANAHRALml35AB0q1i0Omj ygVJVjqDMlEyPIY/mylXWDBD3NYHPqJLwxK9iaUXL0UhptlHWv5w7lj6bbUAxxYbWuPD 3jAA== X-Gm-Message-State: AO0yUKXqke8Cp7vS/FHq+qJAhybnt+RpoCEFU7JYgAMqMLWVoTaN/mmw Mm3Gnk/WA53KErLY152I3GiGQQ== X-Google-Smtp-Source: AK7set+8iiCCRDGWOFiRgA2L4wKrsa2gtpAzy2tokjGnvrvxTI6xsS86d6euU4cquNFNY5gbQMlJqg== X-Received: by 2002:a17:902:e80a:b0:19b:afb:b92e with SMTP id u10-20020a170902e80a00b0019b0afbb92emr5767880plg.40.1677639125368; Tue, 28 Feb 2023 18:52:05 -0800 (PST) Received: from libai.bytedance.net ([61.213.176.5]) by smtp.gmail.com with ESMTPSA id ix1-20020a170902f80100b0019ab58f47a6sm7218743plb.105.2023.02.28.18.52.02 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 28 Feb 2023 18:52:04 -0800 (PST) From: zhenwei pi To: mst@redhat.com, arei.gonglei@huawei.com Cc: dgilbert@redhat.com, pbonzini@redhat.com, armbru@redhat.com, qemu-devel@nongnu.org, berrange@redhat.com, zhenwei pi Subject: [PATCH v5 10/12] cryptodev: support QoS Date: Wed, 1 Mar 2023 10:51:22 +0800 Message-Id: <20230301025124.3605557-11-pizhenwei@bytedance.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230301025124.3605557-1-pizhenwei@bytedance.com> References: <20230301025124.3605557-1-pizhenwei@bytedance.com> MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::634; envelope-from=pizhenwei@bytedance.com; helo=mail-pl1-x634.google.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, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, 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: 2.1.29 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 Add 'throttle-bps' and 'throttle-ops' limitation to set QoS. The two arguments work with both QEMU command line and QMP command. Example of QEMU command line: -object cryptodev-backend-builtin,id=cryptodev1,throttle-bps=1600,\ throttle-ops=100 Example of QMP command: virsh qemu-monitor-command buster --hmp qom-set /objects/cryptodev1 \ throttle-ops 100 or cancel limitation: virsh qemu-monitor-command buster --hmp qom-set /objects/cryptodev1 \ throttle-ops 0 Signed-off-by: zhenwei pi Reviewed-by: Daniel P. Berrangé --- backends/cryptodev.c | 138 +++++++++++++++++++++++++++++++++++++ include/sysemu/cryptodev.h | 7 ++ qapi/qom.json | 8 ++- 3 files changed, 152 insertions(+), 1 deletion(-) diff --git a/backends/cryptodev.c b/backends/cryptodev.c index cc824e9665..09ffdd345f 100644 --- a/backends/cryptodev.c +++ b/backends/cryptodev.c @@ -28,6 +28,7 @@ #include "qapi/visitor.h" #include "qemu/config-file.h" #include "qemu/error-report.h" +#include "qemu/main-loop.h" #include "qom/object_interfaces.h" #include "hw/virtio/virtio-crypto.h" @@ -203,17 +204,53 @@ static int cryptodev_backend_account(CryptoDevBackend *backend, return len; } +static void cryptodev_backend_throttle_timer_cb(void *opaque) +{ + CryptoDevBackend *backend = (CryptoDevBackend *)opaque; + CryptoDevBackendOpInfo *op_info, *tmpop; + int ret; + + QTAILQ_FOREACH_SAFE(op_info, &backend->opinfos, next, tmpop) { + QTAILQ_REMOVE(&backend->opinfos, op_info, next); + ret = cryptodev_backend_account(backend, op_info); + if (ret < 0) { + op_info->cb(op_info->opaque, ret); + continue; + } + + throttle_account(&backend->ts, true, ret); + cryptodev_backend_operation(backend, op_info); + if (throttle_enabled(&backend->tc) && + throttle_schedule_timer(&backend->ts, &backend->tt, true)) { + break; + } + } +} + int cryptodev_backend_crypto_operation( CryptoDevBackend *backend, CryptoDevBackendOpInfo *op_info) { int ret; + if (!throttle_enabled(&backend->tc)) { + goto do_account; + } + + if (throttle_schedule_timer(&backend->ts, &backend->tt, true) || + !QTAILQ_EMPTY(&backend->opinfos)) { + QTAILQ_INSERT_TAIL(&backend->opinfos, op_info, next); + return 0; + } + +do_account: ret = cryptodev_backend_account(backend, op_info); if (ret < 0) { return ret; } + throttle_account(&backend->ts, true, ret); + return cryptodev_backend_operation(backend, op_info); } @@ -245,12 +282,98 @@ cryptodev_backend_set_queues(Object *obj, Visitor *v, const char *name, backend->conf.peers.queues = value; } +static void cryptodev_backend_set_throttle(CryptoDevBackend *backend, int field, + uint64_t value, Error **errp) +{ + uint64_t orig = backend->tc.buckets[field].avg; + bool enabled = throttle_enabled(&backend->tc); + + if (orig == value) { + return; + } + + backend->tc.buckets[field].avg = value; + if (!throttle_enabled(&backend->tc)) { + throttle_timers_destroy(&backend->tt); + cryptodev_backend_throttle_timer_cb(backend); /* drain opinfos */ + return; + } + + if (!throttle_is_valid(&backend->tc, errp)) { + backend->tc.buckets[field].avg = orig; /* revert change */ + return; + } + + if (!enabled) { + throttle_init(&backend->ts); + throttle_timers_init(&backend->tt, qemu_get_aio_context(), + QEMU_CLOCK_REALTIME, + cryptodev_backend_throttle_timer_cb, /* FIXME */ + cryptodev_backend_throttle_timer_cb, backend); + } + + throttle_config(&backend->ts, QEMU_CLOCK_REALTIME, &backend->tc); +} + +static void cryptodev_backend_get_bps(Object *obj, Visitor *v, + const char *name, void *opaque, + Error **errp) +{ + CryptoDevBackend *backend = CRYPTODEV_BACKEND(obj); + uint64_t value = backend->tc.buckets[THROTTLE_BPS_TOTAL].avg; + + visit_type_uint64(v, name, &value, errp); +} + +static void cryptodev_backend_set_bps(Object *obj, Visitor *v, const char *name, + void *opaque, Error **errp) +{ + CryptoDevBackend *backend = CRYPTODEV_BACKEND(obj); + uint64_t value; + + if (!visit_type_uint64(v, name, &value, errp)) { + return; + } + + cryptodev_backend_set_throttle(backend, THROTTLE_BPS_TOTAL, value, errp); +} + +static void cryptodev_backend_get_ops(Object *obj, Visitor *v, const char *name, + void *opaque, Error **errp) +{ + CryptoDevBackend *backend = CRYPTODEV_BACKEND(obj); + uint64_t value = backend->tc.buckets[THROTTLE_OPS_TOTAL].avg; + + visit_type_uint64(v, name, &value, errp); +} + +static void cryptodev_backend_set_ops(Object *obj, Visitor *v, + const char *name, void *opaque, + Error **errp) +{ + CryptoDevBackend *backend = CRYPTODEV_BACKEND(obj); + uint64_t value; + + if (!visit_type_uint64(v, name, &value, errp)) { + return; + } + + cryptodev_backend_set_throttle(backend, THROTTLE_OPS_TOTAL, value, errp); +} + static void cryptodev_backend_complete(UserCreatable *uc, Error **errp) { CryptoDevBackend *backend = CRYPTODEV_BACKEND(uc); CryptoDevBackendClass *bc = CRYPTODEV_BACKEND_GET_CLASS(uc); uint32_t services; + uint64_t value; + + QTAILQ_INIT(&backend->opinfos); + value = backend->tc.buckets[THROTTLE_OPS_TOTAL].avg; + cryptodev_backend_set_throttle(backend, THROTTLE_OPS_TOTAL, value, errp); + value = backend->tc.buckets[THROTTLE_BPS_TOTAL].avg; + cryptodev_backend_set_throttle(backend, THROTTLE_BPS_TOTAL, value, errp); if (bc->init) { bc->init(backend, errp); @@ -294,8 +417,12 @@ cryptodev_backend_can_be_deleted(UserCreatable *uc) static void cryptodev_backend_instance_init(Object *obj) { + CryptoDevBackend *backend = CRYPTODEV_BACKEND(obj); + /* Initialize devices' queues property to 1 */ object_property_set_int(obj, "queues", 1, NULL); + + throttle_config_init(&backend->tc); } static void cryptodev_backend_finalize(Object *obj) @@ -303,6 +430,9 @@ static void cryptodev_backend_finalize(Object *obj) CryptoDevBackend *backend = CRYPTODEV_BACKEND(obj); cryptodev_backend_cleanup(backend, NULL); + if (throttle_enabled(&backend->tc)) { + throttle_timers_destroy(&backend->tt); + } } static void @@ -318,6 +448,14 @@ cryptodev_backend_class_init(ObjectClass *oc, void *data) cryptodev_backend_get_queues, cryptodev_backend_set_queues, NULL, NULL); + object_class_property_add(oc, "throttle-bps", "uint64", + cryptodev_backend_get_bps, + cryptodev_backend_set_bps, + NULL, NULL); + object_class_property_add(oc, "throttle-ops", "uint64", + cryptodev_backend_get_ops, + cryptodev_backend_set_ops, + NULL, NULL); } static const TypeInfo cryptodev_backend_info = { diff --git a/include/sysemu/cryptodev.h b/include/sysemu/cryptodev.h index 15e8c04dcf..113eec4caf 100644 --- a/include/sysemu/cryptodev.h +++ b/include/sysemu/cryptodev.h @@ -24,6 +24,7 @@ #define CRYPTODEV_H #include "qemu/queue.h" +#include "qemu/throttle.h" #include "qom/object.h" #include "qapi/qapi-types-cryptodev.h" @@ -187,6 +188,7 @@ typedef struct CryptoDevBackendOpInfo { CryptoDevBackendSymOpInfo *sym_op_info; CryptoDevBackendAsymOpInfo *asym_op_info; } u; + QTAILQ_ENTRY(CryptoDevBackendOpInfo) next; } CryptoDevBackendOpInfo; struct CryptoDevBackendClass { @@ -255,6 +257,11 @@ struct CryptoDevBackend { CryptoDevBackendConf conf; QCryptodevBackendSymStat *sym_stat; QCryptodevBackendAsymStat *asym_stat; + + ThrottleState ts; + ThrottleTimers tt; + ThrottleConfig tc; + QTAILQ_HEAD(, CryptoDevBackendOpInfo) opinfos; }; #define QCryptodevSymStatInc(be, op, bytes) do { \ diff --git a/qapi/qom.json b/qapi/qom.json index 30e76653ad..a877b879b9 100644 --- a/qapi/qom.json +++ b/qapi/qom.json @@ -278,10 +278,16 @@ # cryptodev-backend and must be 1 for cryptodev-backend-builtin. # (default: 1) # +# @throttle-bps: limit total bytes per second (Since 8.0) +# +# @throttle-ops: limit total operations per second (Since 8.0) +# # Since: 2.8 ## { 'struct': 'CryptodevBackendProperties', - 'data': { '*queues': 'uint32' } } + 'data': { '*queues': 'uint32', + '*throttle-bps': 'uint64', + '*throttle-ops': 'uint64' } } ## # @CryptodevVhostUserProperties: