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 435E4C021B3 for ; Fri, 21 Feb 2025 13:54:29 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1tlTTX-0004mZ-Fe; Fri, 21 Feb 2025 08:53:55 -0500 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 1tlTTT-0004lm-Kx; Fri, 21 Feb 2025 08:53:51 -0500 Received: from mail.ozlabs.org ([2404:9400:2221:ea00::3]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1tlTTR-00080U-IK; Fri, 21 Feb 2025 08:53:51 -0500 Received: from mail.ozlabs.org (mail.ozlabs.org [IPv6:2404:9400:2221:ea00::3]) by gandalf.ozlabs.org (Postfix) with ESMTP id 4Yzs6Y1SvSz4wyl; Sat, 22 Feb 2025 00:53:41 +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) server-digest SHA256) (Client did not present a certificate) by mail.ozlabs.org (Postfix) with ESMTPSA id 4Yzs6T5Y7Wz4wxh; Sat, 22 Feb 2025 00:53:36 +1100 (AEDT) Message-ID: <68c95702-8ccb-43b7-bb1f-afc37c8d727d@kaod.org> Date: Fri, 21 Feb 2025 14:53:32 +0100 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v3 21/28] hw/misc/aspeed_hace: Fix boot issue in the Crypto Manager Self Test To: Jamin Lin , Peter Maydell , Steven Lee , Troy Lee , Andrew Jeffery , Joel Stanley , "open list:All patches CC here" , "open list:ASPEED BMCs" Cc: Troy Lee References: <20250213033531.3367697-1-jamin_lin@aspeedtech.com> <20250213033531.3367697-22-jamin_lin@aspeedtech.com> <51b4d012-db0c-42b1-ae0e-2b28751bc2a4@kaod.org> 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=2404:9400:2221:ea00::3; envelope-from=SRS0=ENLZ=VM=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, 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 2/21/25 06:43, Jamin Lin wrote: > Hi Cedric, > >> Subject: Re: [PATCH v3 21/28] hw/misc/aspeed_hace: Fix boot issue in the >> Crypto Manager Self Test >> >> On 2/13/25 04:35, Jamin Lin wrote: >>> Currently, it does not support the CRYPT command. Instead, it only >>> sends an interrupt to notify the firmware that the crypt command has >> completed. >>> It is a temporary workaround to resolve the boot issue in the Crypto >>> Manager Self Test. >>> >>> Signed-off-by: Jamin Lin >> >> Please add an AspeedHACEClass class attribute (bool) to handle this >> workaround and a comment in the code mentioning the issue. >> > Thanks for review and suggestion. > I will add the use_crypt_workaround attribute to the AspeedHACEClass and introduce the use-crypt-workaround property. > Do you have any concerns, or do you have a preferred naming convention? May be 'raise_crypt_interrupt_workaround' to reflect what is being done ? Thanks, C. > Thanks-Jamin > >> >> Thanks, >> >> C. >> >> >> >>> --- >>> 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 >>> 86422cb3be..4d0999e7e9 100644 >>> --- a/hw/misc/aspeed_hace.c >>> +++ b/hw/misc/aspeed_hace.c >>> @@ -59,6 +59,7 @@ >>> /* Other cmd bits */ >>> #define HASH_IRQ_EN BIT(9) >>> #define HASH_SG_EN BIT(18) >>> +#define CRYPT_IRQ_EN BIT(12) >>> /* Scatter-gather data list */ >>> #define SG_LIST_LEN_SIZE 4 >>> #define SG_LIST_LEN_MASK 0x0FFFFFFF >>> @@ -343,6 +344,13 @@ static void aspeed_hace_write(void *opaque, >> hwaddr addr, uint64_t data, >>> qemu_irq_lower(s->irq); >>> } >>> } >>> + if (data & CRYPT_IRQ) { >>> + data &= ~CRYPT_IRQ; >>> + >>> + if (s->regs[addr] & CRYPT_IRQ) { >>> + qemu_irq_lower(s->irq); >>> + } >>> + } >>> break; >>> case R_HASH_SRC: >>> data &= ahc->src_mask; >>> @@ -388,6 +396,10 @@ static void aspeed_hace_write(void *opaque, >> hwaddr addr, uint64_t data, >>> case R_CRYPT_CMD: >>> qemu_log_mask(LOG_UNIMP, "%s: Crypt commands not >> implemented\n", >>> __func__); >>> + s->regs[R_STATUS] |= CRYPT_IRQ; >>> + if (data & CRYPT_IRQ_EN) { >>> + qemu_irq_raise(s->irq); >>> + } >>> break; >>> default: >>> break; >