From patchwork Mon Oct 19 05:19:45 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Joelle van Dyne X-Patchwork-Id: 302614 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-17.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, MENTIONS_GIT_HOSTING, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 92033C433DF for ; Mon, 19 Oct 2020 05:26:24 +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 160312225F for ; Mon, 19 Oct 2020 05:26:23 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 160312225F Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=getutm.app Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:41764 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kUNgc-0008Ez-UK for qemu-devel@archiver.kernel.org; Mon, 19 Oct 2020 01:26:23 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:54196) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kUNaT-0003xg-2I; Mon, 19 Oct 2020 01:20:01 -0400 Received: from mail-pj1-f65.google.com ([209.85.216.65]:53009) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1kUNaQ-0005Br-EU; Mon, 19 Oct 2020 01:19:59 -0400 Received: by mail-pj1-f65.google.com with SMTP id gm14so4689946pjb.2; Sun, 18 Oct 2020 22:19:57 -0700 (PDT) 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=BSAY3BBfuSoJgvkHbulnaO1HHfawNG7tKCA76XQhj5M=; b=LX5bpQd/urkf6xMesMriq5IDCED0uq7lstYPWVOzFVkYmSxXqIH97yKqknm5H8raUi kBSG/pB0+v4Yez+jFOakPTytiSmsleqxLRI3FmyRqttk9dRadeHs2ZoWGPkCLT97HNid E3TgeKiQeO1O5jqJcB/MqIjc39UkdZO9ncUsvQ4W4ye7amkGpPBQApBv2DyxI5vDi0Ua pm06bZePfFSnls+hQrmMkW7tqViavScPtQfDqWsnNyDLHZ2+fzbFdnR7aMfOWIlmm2hk PfJV+XDdYTEpk2KZXFpPAa+LKDkzA9VCfFUWCVhB5njtqoe7Mksrx+oe6pwCMGXrT2bc iHww== X-Gm-Message-State: AOAM5332SZBeSpqgtzIWxO8uGR2liZJkRuBafOi26R8996LuwQh0AMmW sZDBHn5Mo+5VDh8Ac2+1C/Qi1LoMBHCbjQ== X-Google-Smtp-Source: ABdhPJyoxevtk84Ss5+msxEqctQ8dHB1vV75RvEW0e3mDNDHgibWO4aIXqkJti5YaX2Xlj+PtWo+iA== X-Received: by 2002:a17:90a:5d17:: with SMTP id s23mr16894747pji.170.1603084796735; Sun, 18 Oct 2020 22:19:56 -0700 (PDT) Received: from localhost.localdomain ([73.93.152.253]) by smtp.gmail.com with ESMTPSA id p6sm10673904pjd.1.2020.10.18.22.19.55 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Sun, 18 Oct 2020 22:19:56 -0700 (PDT) From: Joelle van Dyne To: qemu-devel@nongnu.org Subject: [PATCH RESEND v2 1/9] configure: option to disable host block devices Date: Sun, 18 Oct 2020 22:19:45 -0700 Message-Id: <20201019051953.90107-2-j@getutm.app> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20201019051953.90107-1-j@getutm.app> References: <20201019051953.90107-1-j@getutm.app> MIME-Version: 1.0 Received-SPF: pass client-ip=209.85.216.65; envelope-from=osy86github@gmail.com; helo=mail-pj1-f65.google.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/10/19 01:19:57 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: -13 X-Spam_score: -1.4 X-Spam_bar: - X-Spam_report: (-1.4 / 5.0 requ) BAYES_00=-1.9, FREEMAIL_FORGED_FROMDOMAIN=0.249, FREEMAIL_FROM=0.001, HEADER_FROM_DIFFERENT_DOMAINS=0.25, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=no 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: Kevin Wolf , Joelle van Dyne , "open list:raw" , Max Reitz Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" From: osy Some hosts (iOS) have a sandboxed filesystem and do not provide low-level APIs for interfacing with host block devices. Signed-off-by: Joelle van Dyne --- configure | 4 ++++ meson.build | 1 + block/file-posix.c | 8 +++++++- 3 files changed, 12 insertions(+), 1 deletion(-) diff --git a/configure b/configure index f498a37f9a..ea1753c117 100755 --- a/configure +++ b/configure @@ -447,6 +447,7 @@ meson="" ninja="" skip_meson=no gettext="" +host_block_device_support="yes" bogus_os="no" malloc_trim="auto" @@ -5969,6 +5970,9 @@ if test "$default_devices" = "yes" ; then else echo "CONFIG_MINIKCONF_MODE=--allnoconfig" >> $config_host_mak fi +if test "$host_block_device_support" = "yes" ; then + echo "CONFIG_HOST_BLOCK_DEVICE=y" >> $config_host_mak +fi if test "$debug_tcg" = "yes" ; then echo "CONFIG_DEBUG_TCG=y" >> $config_host_mak fi diff --git a/meson.build b/meson.build index 2c6169fab0..75967914dc 100644 --- a/meson.build +++ b/meson.build @@ -2080,6 +2080,7 @@ summary_info += {'vvfat support': config_host.has_key('CONFIG_VVFAT')} summary_info += {'qed support': config_host.has_key('CONFIG_QED')} summary_info += {'parallels support': config_host.has_key('CONFIG_PARALLELS')} summary_info += {'sheepdog support': config_host.has_key('CONFIG_SHEEPDOG')} +summary_info += {'host block dev support': config_host.has_key('CONFIG_HOST_BLOCK_DEVICE')} summary_info += {'capstone': capstone_opt == 'disabled' ? false : capstone_opt} summary_info += {'libpmem support': config_host.has_key('CONFIG_LIBPMEM')} summary_info += {'libdaxctl support': config_host.has_key('CONFIG_LIBDAXCTL')} diff --git a/block/file-posix.c b/block/file-posix.c index c63926d592..52f7c20525 100644 --- a/block/file-posix.c +++ b/block/file-posix.c @@ -41,7 +41,7 @@ #include "scsi/pr-manager.h" #include "scsi/constants.h" -#if defined(__APPLE__) && (__MACH__) +#if defined(CONFIG_HOST_BLOCK_DEVICE) && defined(__APPLE__) && (__MACH__) #include #include #include @@ -3247,6 +3247,8 @@ BlockDriver bdrv_file = { /***********************************************/ /* host device */ +#if defined(CONFIG_HOST_BLOCK_DEVICE) + #if defined(__APPLE__) && defined(__MACH__) static kern_return_t GetBSDPath(io_iterator_t mediaIterator, char *bsdPath, CFIndex maxPathSize, int flags); @@ -3872,6 +3874,8 @@ static BlockDriver bdrv_host_cdrom = { }; #endif /* __FreeBSD__ */ +#endif /* CONFIG_HOST_BLOCK_DEVICE */ + static void bdrv_file_init(void) { /* @@ -3879,6 +3883,7 @@ static void bdrv_file_init(void) * registered last will get probed first. */ bdrv_register(&bdrv_file); +#if defined(CONFIG_HOST_BLOCK_DEVICE) bdrv_register(&bdrv_host_device); #ifdef __linux__ bdrv_register(&bdrv_host_cdrom); @@ -3886,6 +3891,7 @@ static void bdrv_file_init(void) #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) bdrv_register(&bdrv_host_cdrom); #endif +#endif /* CONFIG_HOST_BLOCK_DEVICE */ } block_init(bdrv_file_init);