From patchwork Wed Jan 24 10:15:58 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dhruva Gole X-Patchwork-Id: 1890144 X-Patchwork-Delegate: trini@ti.com Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=ti.com header.i=@ti.com header.a=rsa-sha256 header.s=ti-com-17Q1 header.b=CpRUhWBt; dkim-atps=neutral Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=lists.denx.de (client-ip=2a01:238:438b:c500:173d:9f52:ddab:ee01; helo=phobos.denx.de; envelope-from=u-boot-bounces@lists.denx.de; receiver=patchwork.ozlabs.org) Received: from phobos.denx.de (phobos.denx.de [IPv6:2a01:238:438b:c500:173d:9f52:ddab:ee01]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (secp384r1) server-digest SHA384) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4TKfz53hqpz23f0 for ; Wed, 24 Jan 2024 21:17:37 +1100 (AEDT) Received: from h2850616.stratoserver.net (localhost [IPv6:::1]) by phobos.denx.de (Postfix) with ESMTP id 04C7187BC7; Wed, 24 Jan 2024 11:17:34 +0100 (CET) Authentication-Results: phobos.denx.de; dmarc=pass (p=quarantine dis=none) header.from=ti.com Authentication-Results: phobos.denx.de; spf=pass smtp.mailfrom=u-boot-bounces@lists.denx.de Authentication-Results: phobos.denx.de; dkim=pass (1024-bit key; unprotected) header.d=ti.com header.i=@ti.com header.b="CpRUhWBt"; dkim-atps=neutral Received: by phobos.denx.de (Postfix, from userid 109) id 563DE87BB5; Wed, 24 Jan 2024 11:17:32 +0100 (CET) X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on phobos.denx.de X-Spam-Level: X-Spam-Status: No, score=-3.4 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_MSPIKE_H2, SPF_HELO_PASS,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.2 Received: from lelv0142.ext.ti.com (lelv0142.ext.ti.com [198.47.23.249]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by phobos.denx.de (Postfix) with ESMTPS id E273387C20 for ; Wed, 24 Jan 2024 11:17:29 +0100 (CET) Authentication-Results: phobos.denx.de; dmarc=pass (p=quarantine dis=none) header.from=ti.com Authentication-Results: phobos.denx.de; spf=pass smtp.mailfrom=d-gole@ti.com Received: from fllv0034.itg.ti.com ([10.64.40.246]) by lelv0142.ext.ti.com (8.15.2/8.15.2) with ESMTP id 40OAHSmK107894; Wed, 24 Jan 2024 04:17:28 -0600 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1706091448; bh=0n7jU/dUbHNEafoK/dAt9lUuKbGShy7hE2onfQw09aM=; h=From:To:CC:Subject:Date; b=CpRUhWBt1puW6QbLzMDWRf+rYue5Dp3U+KRKV/9EgemNz6Ma2iLHR+t2kB1VI22L7 3RGv3KDuEkoYMcd92CdeZtgEeXbDuT3E3FoBMGxGmu+NhQ/VxJc4zBiLCccwaY4kFg ZJD/f1tNddiLIU0G2ICpBEvLElH+eqMWTMf5UrAQ= Received: from DLEE112.ent.ti.com (dlee112.ent.ti.com [157.170.170.23]) by fllv0034.itg.ti.com (8.15.2/8.15.2) with ESMTPS id 40OAHSAM056385 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Wed, 24 Jan 2024 04:17:28 -0600 Received: from DLEE112.ent.ti.com (157.170.170.23) by DLEE112.ent.ti.com (157.170.170.23) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2507.23; Wed, 24 Jan 2024 04:17:27 -0600 Received: from lelvsmtp5.itg.ti.com (10.180.75.250) by DLEE112.ent.ti.com (157.170.170.23) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2507.23 via Frontend Transport; Wed, 24 Jan 2024 04:17:27 -0600 Received: from dhruva.dhcp.ti.com (dhruva.dhcp.ti.com [172.24.227.68]) by lelvsmtp5.itg.ti.com (8.15.2/8.15.2) with ESMTP id 40OAHOSE095526; Wed, 24 Jan 2024 04:17:25 -0600 From: Dhruva Gole To: Tom Rini CC: , Dhruva Gole , Neha Francis , Manorit Chawdhry , Vignesh Raghavendra , Kamlesh Gurudasani , Nishanth Menon Subject: [PATCH] firmware: ti_sci: fix the secure_hdr in do_xfer Date: Wed, 24 Jan 2024 15:45:58 +0530 Message-ID: <20240124101558.184411-1-d-gole@ti.com> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.39 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" X-Virus-Scanned: clamav-milter 0.103.8 at phobos.denx.de X-Virus-Status: Clean The secure_hdr needs to be 0 init-ed however this was never being put into the secure_buf, leading to possibility of the first 4 bytes of secure_buf being possibly garbage. Fix this by initialising the secure_hdr itself to the secure_buf location, thus when we make it 0, it automatically ensures the first 4 bytes are 0. Fixes: 32cd25128bd849 ("firmware: Add basic support for TI System Control Interface (TI SCI)") Signed-off-by: Dhruva Gole --- Boot tested for sanity on AM62x SK https://gist.github.com/DhruvaG2000/724ceba3a0db03f4b0bff47de1160074 Cc: Nishanth Menon Cc: Tom Rini drivers/firmware/ti_sci.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) base-commit: a1448e3cf9a0602d284566d6cacf60b96c3c1316 diff --git a/drivers/firmware/ti_sci.c b/drivers/firmware/ti_sci.c index f5f659c11274..83ee8401a731 100644 --- a/drivers/firmware/ti_sci.c +++ b/drivers/firmware/ti_sci.c @@ -236,13 +236,13 @@ static int ti_sci_do_xfer(struct ti_sci_info *info, { struct k3_sec_proxy_msg *msg = &xfer->tx_message; u8 secure_buf[info->desc->max_msg_size]; - struct ti_sci_secure_msg_hdr secure_hdr; + struct ti_sci_secure_msg_hdr *secure_hdr = (struct ti_sci_secure_msg_hdr *)secure_buf; int ret; if (info->is_secure) { /* ToDo: get checksum of the entire message */ - secure_hdr.checksum = 0; - secure_hdr.reserved = 0; + secure_hdr->checksum = 0; + secure_hdr->reserved = 0; memcpy(&secure_buf[sizeof(secure_hdr)], xfer->tx_message.buf, xfer->tx_message.len);