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[209.51.188.17]) by mx.google.com with ESMTPS id d75a77b69052e-49452459d60si157379571cf.37.2025.05.15.01.12.59 for (version=TLS1_2 cipher=ECDHE-ECDSA-CHACHA20-POLY1305 bits=256/256); Thu, 15 May 2025 01:12:59 -0700 (PDT) Received-SPF: pass (google.com: domain of qemu-devel-bounces+alex.bennee=linaro.org@nongnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; Authentication-Results: mx.google.com; spf=pass (google.com: domain of qemu-devel-bounces+alex.bennee=linaro.org@nongnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom="qemu-devel-bounces+alex.bennee=linaro.org@nongnu.org"; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=nongnu.org Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1uFTh8-0006zd-G4; Thu, 15 May 2025 04:11:59 -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 1uFTfz-0003Uj-28; Thu, 15 May 2025 04:10:47 -0400 Received: from mail.aspeedtech.com ([211.20.114.72] helo=TWMBX01.aspeed.com) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1uFTfx-00010V-2K; Thu, 15 May 2025 04:10:46 -0400 Received: from TWMBX01.aspeed.com (192.168.0.62) by TWMBX01.aspeed.com (192.168.0.62) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1748.10; Thu, 15 May 2025 16:10:11 +0800 Received: from mail.aspeedtech.com (192.168.10.10) by TWMBX01.aspeed.com (192.168.0.62) with Microsoft SMTP Server id 15.2.1748.10 via Frontend Transport; Thu, 15 May 2025 16:10:11 +0800 To: =?UTF-8?q?C=C3=A9dric=20Le=20Goater?= , 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: , Subject: [PATCH v3 11/28] hw/misc/aspeed_hace: Support accumulative mode for direct access mode Date: Thu, 15 May 2025 16:09:43 +0800 Message-ID: <20250515081008.583578-12-jamin_lin@aspeedtech.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20250515081008.583578-1-jamin_lin@aspeedtech.com> References: <20250515081008.583578-1-jamin_lin@aspeedtech.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain Received-SPF: pass client-ip=211.20.114.72; envelope-from=jamin_lin@aspeedtech.com; helo=TWMBX01.aspeed.com X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, SPF_HELO_FAIL=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: , Reply-to: Jamin Lin From: Jamin Lin via Errors-To: qemu-devel-bounces+alex.bennee=linaro.org@nongnu.org Sender: qemu-devel-bounces+alex.bennee=linaro.org@nongnu.org X-TUID: yc5tNruck+RT Enable accumulative mode for direct access mode operations. In direct access mode, only a single source buffer is used, so the "iovec" count is set to 1. If "acc_mode" is enabled: 1. Accumulate "total_req_len" with the current request length ("plen"). 2. Check for padding and determine whether this is the final request. Signed-off-by: Jamin Lin --- hw/misc/aspeed_hace.c | 24 +++++++++++++++++++++--- 1 file changed, 21 insertions(+), 3 deletions(-) diff --git a/hw/misc/aspeed_hace.c b/hw/misc/aspeed_hace.c index 62649b5b27..049f732f99 100644 --- a/hw/misc/aspeed_hace.c +++ b/hw/misc/aspeed_hace.c @@ -151,8 +151,11 @@ static uint64_t hash_get_source_addr(AspeedHACEState *s) return src_addr; } -static int hash_prepare_direct_iov(AspeedHACEState *s, struct iovec *iov) +static int hash_prepare_direct_iov(AspeedHACEState *s, struct iovec *iov, + bool acc_mode, bool *acc_final_request) { + uint32_t total_msg_len; + uint32_t pad_offset; uint64_t src; void *haddr; hwaddr plen; @@ -171,9 +174,23 @@ static int hash_prepare_direct_iov(AspeedHACEState *s, struct iovec *iov) } iov[0].iov_base = haddr; - iov[0].iov_len = plen; iov_idx = 1; + if (acc_mode) { + s->total_req_len += plen; + + if (has_padding(s, &iov[0], plen, &total_msg_len, + &pad_offset)) { + /* Padding being present indicates the final request */ + *acc_final_request = true; + iov[0].iov_len = pad_offset; + } else { + iov[0].iov_len = plen; + } + } else { + iov[0].iov_len = plen; + } + return iov_idx; } @@ -345,7 +362,8 @@ static void do_hash_operation(AspeedHACEState *s, int algo, bool sg_mode, if (sg_mode) { iov_idx = hash_prepare_sg_iov(s, iov, acc_mode, &acc_final_request); } else { - iov_idx = hash_prepare_direct_iov(s, iov); + iov_idx = hash_prepare_direct_iov(s, iov, acc_mode, + &acc_final_request); } if (iov_idx <= 0) { -- 2.43.0