From patchwork Sat Jan 11 15:40:30 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Aleksandar Markovic X-Patchwork-Id: 11328877 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 37E84109A for ; Sat, 11 Jan 2020 15:46:38 +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 1814F206ED for ; Sat, 11 Jan 2020 15:46:38 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 1814F206ED Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=rt-rk.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]:58480 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iqIyC-0000OL-JZ for patchwork-qemu-devel@patchwork.kernel.org; Sat, 11 Jan 2020 10:46:36 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:57142) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iqIwX-0006f7-AT for qemu-devel@nongnu.org; Sat, 11 Jan 2020 10:44:54 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1iqIwW-0003ww-5X for qemu-devel@nongnu.org; Sat, 11 Jan 2020 10:44:53 -0500 Received: from mx2.rt-rk.com ([89.216.37.149]:48557 helo=mail.rt-rk.com) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1iqIwV-0003sh-US for qemu-devel@nongnu.org; Sat, 11 Jan 2020 10:44:52 -0500 Received: from localhost (localhost [127.0.0.1]) by mail.rt-rk.com (Postfix) with ESMTP id CD7921A1FDA; Sat, 11 Jan 2020 16:44:49 +0100 (CET) X-Virus-Scanned: amavisd-new at rt-rk.com Received: from rtrkw774-lin.domain.local (rtrkw774-lin.domain.local [10.10.14.106]) by mail.rt-rk.com (Postfix) with ESMTPSA id ABF1E1A1187; Sat, 11 Jan 2020 16:44:49 +0100 (CET) From: Aleksandar Markovic To: qemu-devel@nongnu.org Subject: [PATCH v4 08/19] linux-user: Add support for FS_IOC_VERSION ioctls Date: Sat, 11 Jan 2020 16:40:30 +0100 Message-Id: <1578757241-29583-9-git-send-email-aleksandar.markovic@rt-rk.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1578757241-29583-1-git-send-email-aleksandar.markovic@rt-rk.com> References: <1578757241-29583-1-git-send-email-aleksandar.markovic@rt-rk.com> X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x [fuzzy] X-Received-From: 89.216.37.149 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: laurent@vivier.eu, amarkovic@wavecomp.com Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" From: Aleksandar Markovic A very specific thing for these two ioctls is that their code implies that their third argument is of type 'long', but the kernel uses that argument as if it is of type 'int'. This anomaly is recognized also in commit 6080723 (linux-user: Implement FS_IOC_GETFLAGS and FS_IOC_SETFLAGS ioctls). Signed-off-by: Aleksandar Markovic --- linux-user/ioctls.h | 2 ++ linux-user/syscall_defs.h | 8 +++++--- 2 files changed, 7 insertions(+), 3 deletions(-) diff --git a/linux-user/ioctls.h b/linux-user/ioctls.h index c6b9d6a..c44f42e 100644 --- a/linux-user/ioctls.h +++ b/linux-user/ioctls.h @@ -138,6 +138,8 @@ IOCTL(FS_IOC_GETFLAGS, IOC_R, MK_PTR(TYPE_INT)) IOCTL(FS_IOC_SETFLAGS, IOC_W, MK_PTR(TYPE_INT)) + IOCTL(FS_IOC_GETVERSION, IOC_R, MK_PTR(TYPE_INT)) + IOCTL(FS_IOC_SETVERSION, IOC_W, MK_PTR(TYPE_INT)) #ifdef CONFIG_USBFS /* USB ioctls */ diff --git a/linux-user/syscall_defs.h b/linux-user/syscall_defs.h index 98c2119..f68a8b6 100644 --- a/linux-user/syscall_defs.h +++ b/linux-user/syscall_defs.h @@ -911,12 +911,14 @@ struct target_pollfd { #define TARGET_FICLONE TARGET_IOW(0x94, 9, int) #define TARGET_FICLONERANGE TARGET_IOW(0x94, 13, struct file_clone_range) -/* Note that the ioctl numbers claim type "long" but the actual type - * used by the kernel is "int". +/* + * Note that the ioctl numbers for FS_IOC_ + * claim type "long" but the actual type used by the kernel is "int". */ #define TARGET_FS_IOC_GETFLAGS TARGET_IOR('f', 1, abi_long) #define TARGET_FS_IOC_SETFLAGS TARGET_IOW('f', 2, abi_long) - +#define TARGET_FS_IOC_GETVERSION TARGET_IOR('v', 1, abi_long) +#define TARGET_FS_IOC_SETVERSION TARGET_IOW('v', 2, abi_long) #define TARGET_FS_IOC_FIEMAP TARGET_IOWR('f',11,struct fiemap) /* usb ioctls */