From patchwork Fri Jul 19 13:35:22 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Aarushi Mehta X-Patchwork-Id: 11050133 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id D884913B1 for ; Fri, 19 Jul 2019 13:37:52 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id C6833286C7 for ; Fri, 19 Jul 2019 13:37:52 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id B7D79286F6; Fri, 19 Jul 2019 13:37:52 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.0 required=2.0 tests=BAYES_00,DKIM_ADSP_CUSTOM_MED, DKIM_INVALID,DKIM_SIGNED,FREEMAIL_FROM,MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 6450A1FFCD for ; Fri, 19 Jul 2019 13:37:52 +0000 (UTC) Received: from localhost ([::1]:45480 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1hoT55-0001tk-A6 for patchwork-qemu-devel@patchwork.kernel.org; Fri, 19 Jul 2019 09:37:51 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:37927) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1hoT3v-0004u4-My for qemu-devel@nongnu.org; Fri, 19 Jul 2019 09:36:40 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hoT3u-0007u7-JF for qemu-devel@nongnu.org; Fri, 19 Jul 2019 09:36:39 -0400 Received: from mail-pf1-x443.google.com ([2607:f8b0:4864:20::443]:43320) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1hoT3u-0007tf-Ds; Fri, 19 Jul 2019 09:36:38 -0400 Received: by mail-pf1-x443.google.com with SMTP id i189so14205901pfg.10; Fri, 19 Jul 2019 06:36:38 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=eFjnzxuAegStXPBjOt40eXvFDqL2hXLnGuTLIfY9ow8=; b=RebFAGVJkcZKtmrkzEZ4nebaOaPuqSOBSXT7C7NhIEQtEEx6YKpcA3hHRhJdLbJSvH URBTRkpK9uHKtvdDYOW2mo55hy3sumUsrzuh7gh5RPC3ABn+gThmGBpbv0Zu830Aqmty K3uXM8Eg/lTb73V7Z0rPOpKGBrlBgn7Lnt6E3lMUGSIKuUoQlYxuOQaYO2IHospQ7dPc FFpbAHInTiOqAJpXOM4e38t9SmjJCKreTRnYQbFOp2+qf0vk9OV7leGQmCsxSou/0LkT SUFedYLAdS49K85v5wHxTxwWB7s0dIK1VIWG7X5H9ZR6FvYbsYFmXsW8VsHsqw36mEYD TvnQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=eFjnzxuAegStXPBjOt40eXvFDqL2hXLnGuTLIfY9ow8=; b=Zl9cczvO5s6UWMY3Po0CetFxSVndAYNhWB4PTndQ4Mwv04y5WEsW6ibiYPqygIzJG7 5Vb/unt6CXnlC/tLVED4v7q8O4AtlQW+noRdOgXLeJVsVkhigFo2kcyXK8UiuOfRz17D wYWhUB6BavMYGsPOspZildo5n3KtuFpYPGpSctbj/PWORqifNVeqrGt2xIrO1YPzedF4 hjZWwgmSJGMRJz/OuH7/10B5Ok7QE3Rv6hL4ImdKC//GMDavo7eVG8oVlC3nMT3x/eUN os7nhI9q8tgo5x/StUyDSnUi4ORGYpt+PM0/B0iZD04E1Nmw50Gv+aQx4X8++b5sFk2p EpJQ== X-Gm-Message-State: APjAAAUnvQyUuSRyR1G6i1yRDwCtKMKgU0i6djrZzWVJrnd1EdxArYrI RSU/mxcwCrUFMBjd6BJQQb+d53IQp1A= X-Google-Smtp-Source: APXvYqwmXFfy9NqCX/JJQrrktnjZR0cu+A+s15Lyx/8B4c+e1WdAiiUVkpdncNU8trpBveQXjnEf5w== X-Received: by 2002:a17:90a:25af:: with SMTP id k44mr56882008pje.122.1563543397184; Fri, 19 Jul 2019 06:36:37 -0700 (PDT) Received: from localhost.localdomain ([2402:3a80:433:31a4:f2fb:dab8:3a89:c056]) by smtp.gmail.com with ESMTPSA id 11sm31895369pfw.33.2019.07.19.06.36.30 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Fri, 19 Jul 2019 06:36:36 -0700 (PDT) From: Aarushi Mehta To: qemu-devel@nongnu.org Date: Fri, 19 Jul 2019 19:05:22 +0530 Message-Id: <20190719133530.28688-7-mehta.aaru20@gmail.com> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190719133530.28688-1-mehta.aaru20@gmail.com> References: <20190719133530.28688-1-mehta.aaru20@gmail.com> MIME-Version: 1.0 X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2607:f8b0:4864:20::443 Subject: [Qemu-devel] [PATCH v6 06/14] util/async: add aio interfaces for io_uring 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: Fam Zheng , Kevin Wolf , qemu-block@nongnu.org, Sergio Lopez , Markus Armbruster , Maxim Levitsky , saket.sinha89@gmail.com, Max Reitz , Stefan Hajnoczi , Paolo Bonzini , Stefan Hajnoczi , Julia Suvorova , Aarushi Mehta Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" X-Virus-Scanned: ClamAV using ClamSMTP Signed-off-by: Aarushi Mehta Reviewed-by: Stefan Hajnoczi --- util/async.c | 36 ++++++++++++++++++++++++++++++++++++ 1 file changed, 36 insertions(+) diff --git a/util/async.c b/util/async.c index 8d2105729c..2e0a5e20ac 100644 --- a/util/async.c +++ b/util/async.c @@ -276,6 +276,14 @@ aio_ctx_finalize(GSource *source) } #endif +#ifdef CONFIG_LINUX_IO_URING + if (ctx->linux_io_uring) { + luring_detach_aio_context(ctx->linux_io_uring, ctx); + luring_cleanup(ctx->linux_io_uring); + ctx->linux_io_uring = NULL; + } +#endif + assert(QSLIST_EMPTY(&ctx->scheduled_coroutines)); qemu_bh_delete(ctx->co_schedule_bh); @@ -340,6 +348,29 @@ LinuxAioState *aio_get_linux_aio(AioContext *ctx) } #endif +#ifdef CONFIG_LINUX_IO_URING +LuringState *aio_setup_linux_io_uring(AioContext *ctx, Error **errp) +{ + if (ctx->linux_io_uring) { + return ctx->linux_io_uring; + } + + ctx->linux_io_uring = luring_init(errp); + if (!ctx->linux_io_uring) { + return NULL; + } + + luring_attach_aio_context(ctx->linux_io_uring, ctx); + return ctx->linux_io_uring; +} + +LuringState *aio_get_linux_io_uring(AioContext *ctx) +{ + assert(ctx->linux_io_uring); + return ctx->linux_io_uring; +} +#endif + void aio_notify(AioContext *ctx) { /* Write e.g. bh->scheduled before reading ctx->notify_me. Pairs @@ -431,6 +462,11 @@ AioContext *aio_context_new(Error **errp) #ifdef CONFIG_LINUX_AIO ctx->linux_aio = NULL; #endif + +#ifdef CONFIG_LINUX_IO_URING + ctx->linux_io_uring = NULL; +#endif + ctx->thread_pool = NULL; qemu_rec_mutex_init(&ctx->lock); timerlistgroup_init(&ctx->tlg, aio_timerlist_notify, ctx);