From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 02175C28B20 for ; Wed, 2 Apr 2025 08:06:14 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1tzt6S-0001vq-2u; Wed, 02 Apr 2025 04:05:40 -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 1tzt6Q-0001vQ-9b; Wed, 02 Apr 2025 04:05:38 -0400 Received: from gandalf.ozlabs.org ([150.107.74.76] helo=mail.ozlabs.org) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1tzt6O-0002PF-2F; Wed, 02 Apr 2025 04:05:38 -0400 Received: from mail.ozlabs.org (mail.ozlabs.org [IPv6:2404:9400:2221:ea00::3]) by gandalf.ozlabs.org (Postfix) with ESMTP id 4ZSHVL5t83z4x6n; Wed, 2 Apr 2025 19:05:30 +1100 (AEDT) Received: from authenticated.ozlabs.org (localhost [127.0.0.1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits)) (Client did not present a certificate) by mail.ozlabs.org (Postfix) with ESMTPSA id 4ZSHVG2S9qz4x21; Wed, 2 Apr 2025 19:05:26 +1100 (AEDT) Message-ID: <726eba25-0c1b-43b5-afc5-32cc96e8dc8a@kaod.org> Date: Wed, 2 Apr 2025 10:05:24 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v1 12/22] hw/misc/aspeed_hace Support to dump plaintext and digest for better debugging To: Jamin Lin , Peter Maydell , Steven Lee , Troy Lee , Andrew Jeffery , Joel Stanley , Fabiano Rosas , Laurent Vivier , Paolo Bonzini , "open list:ASPEED BMCs" , "open list:All patches CC here" Cc: troy_lee@aspeedtech.com References: <20250321092623.2097234-1-jamin_lin@aspeedtech.com> <20250321092623.2097234-13-jamin_lin@aspeedtech.com> Content-Language: en-US, fr From: =?UTF-8?Q?C=C3=A9dric_Le_Goater?= Autocrypt: addr=clg@kaod.org; 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charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Received-SPF: pass client-ip=150.107.74.76; envelope-from=SRS0=yfRC=WU=kaod.org=clg@ozlabs.org; helo=mail.ozlabs.org X-Spam_score_int: -41 X-Spam_score: -4.2 X-Spam_bar: ---- X-Spam_report: (-4.2 / 5.0 requ) BAYES_00=-1.9, HEADER_FROM_DIFFERENT_DOMAINS=0.001, RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, SPF_HELO_PASS=-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+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org On 3/21/25 10:26, Jamin Lin wrote: > 1. Disabled by default. Uncomment "#define DEBUG_HACE 1" to enable it. > 2. Uses the "qemu_hexdump" API to dump the digest result. > 3. Uses the "iov_hexdump" API to dump the source vector, which contains the > source plaintext. > > Signed-off-by: Jamin Lin > --- > hw/misc/aspeed_hace.c | 12 ++++++++++++ > 1 file changed, 12 insertions(+) > > diff --git a/hw/misc/aspeed_hace.c b/hw/misc/aspeed_hace.c > index b8e473ee3f..ae4d2fa687 100644 > --- a/hw/misc/aspeed_hace.c > +++ b/hw/misc/aspeed_hace.c > @@ -10,8 +10,10 @@ > */ > > #include "qemu/osdep.h" > +#include "qemu/cutils.h" > #include "qemu/log.h" > #include "qemu/error-report.h" > +#include "qemu/iov.h" > #include "hw/misc/aspeed_hace.h" > #include "qapi/error.h" > #include "migration/vmstate.h" > @@ -20,6 +22,8 @@ > #include "hw/irq.h" > #include "trace.h" > > +/* #define DEBUG_HACE 1 */ > + > #define R_CRYPT_CMD (0x10 / 4) > > #define R_STATUS (0x1c / 4) > @@ -268,6 +272,10 @@ static void do_hash_operation(AspeedHACEState *s, int algo, bool sg_mode, > } > } > > +#ifdef DEBUG_HACE Could we use a trace instead ? See trace_event_get_state_backends() for complex traces and qemu_hexdump_to_buffer() ? Thanks, C. > + iov_hexdump(iov, i, stdout, "plaintext", 0xa000); > +#endif > + > if (acc_mode) { > if (qcrypto_hash_updatev(s->hash_ctx, iov, i, &local_err) < 0) { > qemu_log_mask(LOG_GUEST_ERROR, "qcrypto hash update failed : %s", > @@ -311,6 +319,10 @@ static void do_hash_operation(AspeedHACEState *s, int algo, bool sg_mode, > "aspeed_hace: address space write failed\n"); > } > > +#ifdef DEBUG_HACE > + qemu_hexdump(stdout, "digest", digest_buf, digest_len); > +#endif > + > for (; i > 0; i--) { > address_space_unmap(&s->dram_as, iov[i - 1].iov_base, > iov[i - 1].iov_len, false,