From patchwork Sat Aug 19 09:47:54 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Karim Taha X-Patchwork-Id: 1823283 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256 header.s=20221208 header.b=ncE+zDEf; dkim-atps=neutral Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=patchwork.ozlabs.org) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4RSYsQ1RHtz1yfT for ; Sat, 19 Aug 2023 19:51:06 +1000 (AEST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1qXIZx-0008Dl-Cs; Sat, 19 Aug 2023 05:49:09 -0400 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 1qXIZq-000895-Nd for qemu-devel@nongnu.org; Sat, 19 Aug 2023 05:49:03 -0400 Received: from mail-wm1-x32d.google.com ([2a00:1450:4864:20::32d]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1qXIZo-0004Mw-7j for qemu-devel@nongnu.org; Sat, 19 Aug 2023 05:49:02 -0400 Received: by mail-wm1-x32d.google.com with SMTP id 5b1f17b1804b1-3fe2ba3e260so16620865e9.2 for ; Sat, 19 Aug 2023 02:48:59 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20221208; t=1692438538; x=1693043338; 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=o7/wy2dOrFP6M6dk0v3scBILrw/gLVb9Blae0ntr5oA=; b=ncE+zDEfu7sHQP56suY5yzTZn3fZR3PbM8vMOz+t07GWoJtsQuyZMyQw2T93KjaVAt /sByLQLPZW42yX6OhfTEP5UNT6BZRdfxnMrYzlM/HO0sv2f/yU6Om6CiYw0pUBlqHf18 UOkFrr8BfJY2F68f/jVl83T92BQpd7mN32iyGl9fs32M3qP97I+p27dEaXrV+2ubvaDx zG2R2v7Jc0JsTV50n06hO0aMO8GQY0Vtu41YmU/tXHEfEp/l0wyjY89B8MdpUQEBwdIq iGxQs6qMQXXs46SaywT0U29h7XwlbPKbHJsk7as+wvlUAu27WyI18cRDboDL71z8VqTX +72w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1692438538; x=1693043338; 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=o7/wy2dOrFP6M6dk0v3scBILrw/gLVb9Blae0ntr5oA=; b=bZyZtwS2fnvB/p0583r91PTbryq4LVXcM1Zu4xRV0agyaH+llnCs4V5ZdeQ2EKrcbx gHXJj1XueppqTZSBprimUmQHzA/3RVcG6BxY5scotnP8ZWDZF49eR4RAufEO3BQLCoA1 WMKdO44hV7Z4tuU8mD01melTBSakoK5FK6toLu4LI2Iqih6E9tF5rZfXU5dsWw9Nhl78 hdWke8VZHBHCTvsCHj8cVbX+c9C/ir8XNz39Gq6q5r7ugxTnh5MilOCdPAMKrZsSYmcp 74oKoiVVpLQw3OhtC/5MkM+b1n6sJ2yFQ1QHJyOUiNMgU5YLlKuWc4lUxD7J+7rxxgg+ UrkA== X-Gm-Message-State: AOJu0YzBNWKmCdNGdU82AFeoD/RmcF3TpKhKeMu5vZXgrKYbOvU8O0RL IaTQ7DmiRygKmD6kEv5htAH5IAPgrrY= X-Google-Smtp-Source: AGHT+IEcsoea8x5RVgjug44bU+BJNKfMRmP65n5XyECXt0orT9CQ4Fc2ta74bWKZp7BSYQhHXSDu+w== X-Received: by 2002:a05:600c:2807:b0:3fd:30f7:2be1 with SMTP id m7-20020a05600c280700b003fd30f72be1mr1060532wmb.39.1692438538320; Sat, 19 Aug 2023 02:48:58 -0700 (PDT) Received: from karim.my.domain ([197.39.34.171]) by smtp.gmail.com with ESMTPSA id o18-20020adfead2000000b003143b14848dsm5617216wrn.102.2023.08.19.02.48.54 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 19 Aug 2023 02:48:57 -0700 (PDT) From: Karim Taha To: qemu-devel@nongnu.org Cc: imp@bsdimp.com, Stacey Son , Karim Taha Subject: [PATCH 10/22] Implement shmid_ds conversion between host and target. Date: Sat, 19 Aug 2023 11:47:54 +0200 Message-Id: <20230819094806.14965-11-kariem.taha2.7@gmail.com> X-Mailer: git-send-email 2.40.0 In-Reply-To: <20230819094806.14965-1-kariem.taha2.7@gmail.com> References: <20230819094806.14965-1-kariem.taha2.7@gmail.com> MIME-Version: 1.0 Received-SPF: pass client-ip=2a00:1450:4864:20::32d; envelope-from=kariem.taha2.7@gmail.com; helo=mail-wm1-x32d.google.com X-Spam_score_int: -17 X-Spam_score: -1.8 X-Spam_bar: - X-Spam_report: (-1.8 / 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, FREEMAIL_ENVFROM_END_DIGIT=0.25, FREEMAIL_FROM=0.001, 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+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org From: Stacey Son Signed-off-by: Stacey Son Signed-off-by: Karim Taha Reviewed-by: Warner Losh Reviewed-by: Richard Henderson --- bsd-user/bsd-mem.c | 46 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 46 insertions(+) diff --git a/bsd-user/bsd-mem.c b/bsd-user/bsd-mem.c index e69250cc0d..4446c94725 100644 --- a/bsd-user/bsd-mem.c +++ b/bsd-user/bsd-mem.c @@ -77,3 +77,49 @@ abi_long host_to_target_ipc_perm(abi_ulong target_addr, return 0; } +abi_long target_to_host_shmid_ds(struct shmid_ds *host_sd, + abi_ulong target_addr) +{ + struct target_shmid_ds *target_sd; + + if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1)) { + return -TARGET_EFAULT; + } + if (target_to_host_ipc_perm(&(host_sd->shm_perm), target_addr)) { + return -TARGET_EFAULT; + } + __get_user(host_sd->shm_segsz, &target_sd->shm_segsz); + __get_user(host_sd->shm_lpid, &target_sd->shm_lpid); + __get_user(host_sd->shm_cpid, &target_sd->shm_cpid); + __get_user(host_sd->shm_nattch, &target_sd->shm_nattch); + __get_user(host_sd->shm_atime, &target_sd->shm_atime); + __get_user(host_sd->shm_dtime, &target_sd->shm_dtime); + __get_user(host_sd->shm_ctime, &target_sd->shm_ctime); + unlock_user_struct(target_sd, target_addr, 0); + + return 0; +} + +abi_long host_to_target_shmid_ds(abi_ulong target_addr, + struct shmid_ds *host_sd) +{ + struct target_shmid_ds *target_sd; + + if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0)) { + return -TARGET_EFAULT; + } + if (host_to_target_ipc_perm(target_addr, &(host_sd->shm_perm))) { + return -TARGET_EFAULT; + } + __put_user(host_sd->shm_segsz, &target_sd->shm_segsz); + __put_user(host_sd->shm_lpid, &target_sd->shm_lpid); + __put_user(host_sd->shm_cpid, &target_sd->shm_cpid); + __put_user(host_sd->shm_nattch, &target_sd->shm_nattch); + __put_user(host_sd->shm_atime, &target_sd->shm_atime); + __put_user(host_sd->shm_dtime, &target_sd->shm_dtime); + __put_user(host_sd->shm_ctime, &target_sd->shm_ctime); + unlock_user_struct(target_sd, target_addr, 1); + + return 0; +} +