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[209.51.188.17]) by mx.google.com with ESMTPS id 6a1803df08f44-6f6e3a4b0f5si110772046d6.276.2025.05.12.23.30.59 for (version=TLS1_2 cipher=ECDHE-ECDSA-CHACHA20-POLY1305 bits=256/256); Mon, 12 May 2025 23:31:00 -0700 (PDT) Received-SPF: pass (google.com: domain of qemu-arm-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-arm-bounces+alex.bennee=linaro.org@nongnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom="qemu-arm-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 1uEj9Q-0003Ds-Rq; Tue, 13 May 2025 02:30:05 -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 1uEj9M-0003AY-F5; Tue, 13 May 2025 02:30:00 -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 1uEj9K-0001nN-M4; Tue, 13 May 2025 02:30:00 -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; Tue, 13 May 2025 14:29:03 +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; Tue, 13 May 2025 14:29:03 +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 v2 05/25] hw/misc/aspeed_hace: Split hash execution into helper functions for clarity Date: Tue, 13 May 2025 14:28:35 +0800 Message-ID: <20250513062901.2256865-6-jamin_lin@aspeedtech.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20250513062901.2256865-1-jamin_lin@aspeedtech.com> References: <20250513062901.2256865-1-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-arm@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-arm-bounces+alex.bennee=linaro.org@nongnu.org Sender: qemu-arm-bounces+alex.bennee=linaro.org@nongnu.org X-TUID: PriH6f+Y+Nxm Refactor "do_hash_operation()" by extracting hash execution and result handling into dedicated helper functions: - "hash_write_digest_and_unmap_iov()": Writes the digest result to memory and unmaps IOVs after processing. - "hash_execute_non_acc_mode()": Handles one-shot (non-accumulated) hash operations. - "hash_execute_acc_mode()": Handles accumulated hashing, including update and finalize logic. No functional changes introduced. Signed-off-by: Jamin Lin --- hw/misc/aspeed_hace.c | 133 ++++++++++++++++++++++++++---------------- 1 file changed, 83 insertions(+), 50 deletions(-) diff --git a/hw/misc/aspeed_hace.c b/hw/misc/aspeed_hace.c index 22eea62693..eb513ba00f 100644 --- a/hw/misc/aspeed_hace.c +++ b/hw/misc/aspeed_hace.c @@ -228,26 +228,96 @@ static int hash_prepare_sg_iov(AspeedHACEState *s, struct iovec *iov, return iov_idx; } -static void do_hash_operation(AspeedHACEState *s, int algo, bool sg_mode, - bool acc_mode) +static void hash_write_digest_and_unmap_iov(AspeedHACEState *s, + struct iovec *iov, + int iov_idx, + uint8_t *digest_buf, + size_t digest_len) +{ + if (address_space_write(&s->dram_as, s->regs[R_HASH_DEST], + MEMTXATTRS_UNSPECIFIED, digest_buf, digest_len)) { + qemu_log_mask(LOG_GUEST_ERROR, + "%s: Failed to write digest to 0x%x\n", + __func__, s->regs[R_HASH_DEST]); + } + + for (; iov_idx > 0; iov_idx--) { + address_space_unmap(&s->dram_as, iov[iov_idx - 1].iov_base, + iov[iov_idx - 1].iov_len, false, + iov[iov_idx - 1].iov_len); + } +} + +static void hash_execute_non_acc_mode(AspeedHACEState *s, int algo, + struct iovec *iov, int iov_idx) { g_autofree uint8_t *digest_buf = NULL; - struct iovec iov[ASPEED_HACE_MAX_SG]; - bool acc_final_request = false; Error *local_err = NULL; - size_t digest_len = 0; - int iov_idx = -1; + size_t digest_len; + + if (qcrypto_hash_bytesv(algo, iov, iov_idx, &digest_buf, + &digest_len, &local_err) < 0) { + qemu_log_mask(LOG_GUEST_ERROR, + "%s: qcrypto hash bytesv failed : %s", + __func__, error_get_pretty(local_err)); + error_free(local_err); + return; + } + + hash_write_digest_and_unmap_iov(s, iov, iov_idx, digest_buf, digest_len); +} + +static void hash_execute_acc_mode(AspeedHACEState *s, int algo, + struct iovec *iov, int iov_idx, + bool final_request) +{ + g_autofree uint8_t *digest_buf = NULL; + Error *local_err = NULL; + size_t digest_len; - if (acc_mode && s->hash_ctx == NULL) { + if (s->hash_ctx == NULL) { s->hash_ctx = qcrypto_hash_new(algo, &local_err); if (s->hash_ctx == NULL) { - qemu_log_mask(LOG_GUEST_ERROR, "qcrypto hash failed : %s", - error_get_pretty(local_err)); + qemu_log_mask(LOG_GUEST_ERROR, "%s: qcrypto hash new failed : %s", + __func__, error_get_pretty(local_err)); error_free(local_err); return; } } + if (qcrypto_hash_updatev(s->hash_ctx, iov, iov_idx, &local_err) < 0) { + qemu_log_mask(LOG_GUEST_ERROR, "%s: qcrypto hash updatev failed : %s", + __func__, error_get_pretty(local_err)); + error_free(local_err); + return; + } + + if (final_request) { + if (qcrypto_hash_finalize_bytes(s->hash_ctx, &digest_buf, + &digest_len, &local_err)) { + qemu_log_mask(LOG_GUEST_ERROR, + "%s: qcrypto hash finalize bytes failed : %s", + __func__, error_get_pretty(local_err)); + error_free(local_err); + local_err = NULL; + } + + qcrypto_hash_free(s->hash_ctx); + + s->hash_ctx = NULL; + s->total_req_len = 0; + } + + hash_write_digest_and_unmap_iov(s, iov, iov_idx, digest_buf, digest_len); +} + +static void do_hash_operation(AspeedHACEState *s, int algo, bool sg_mode, + bool acc_mode) +{ + struct iovec iov[ASPEED_HACE_MAX_SG]; + bool acc_final_request = false; + int iov_idx = -1; + /* Prepares the iov for hashing operations based on the selected mode */ if (sg_mode) { iov_idx = hash_prepare_sg_iov(s, iov, acc_mode, &acc_final_request); @@ -261,48 +331,11 @@ static void do_hash_operation(AspeedHACEState *s, int algo, bool sg_mode, return; } + /* Executes the hash operation */ if (acc_mode) { - if (qcrypto_hash_updatev(s->hash_ctx, iov, iov_idx, &local_err) < 0) { - qemu_log_mask(LOG_GUEST_ERROR, "qcrypto hash update failed : %s", - error_get_pretty(local_err)); - error_free(local_err); - return; - } - - if (acc_final_request) { - if (qcrypto_hash_finalize_bytes(s->hash_ctx, &digest_buf, - &digest_len, &local_err)) { - qemu_log_mask(LOG_GUEST_ERROR, - "qcrypto hash finalize failed : %s", - error_get_pretty(local_err)); - error_free(local_err); - local_err = NULL; - } - - qcrypto_hash_free(s->hash_ctx); - - s->hash_ctx = NULL; - s->total_req_len = 0; - } - } else if (qcrypto_hash_bytesv(algo, iov, iov_idx, &digest_buf, - &digest_len, &local_err) < 0) { - qemu_log_mask(LOG_GUEST_ERROR, "qcrypto hash bytesv failed : %s", - error_get_pretty(local_err)); - error_free(local_err); - return; - } - - if (address_space_write(&s->dram_as, s->regs[R_HASH_DEST], - MEMTXATTRS_UNSPECIFIED, - digest_buf, digest_len)) { - qemu_log_mask(LOG_GUEST_ERROR, - "aspeed_hace: address space write failed\n"); - } - - for (; iov_idx > 0; iov_idx--) { - address_space_unmap(&s->dram_as, iov[iov_idx - 1].iov_base, - iov[iov_idx - 1].iov_len, false, - iov[iov_idx - 1].iov_len); + hash_execute_acc_mode(s, algo, iov, iov_idx, acc_final_request); + } else { + hash_execute_non_acc_mode(s, algo, iov, iov_idx); } } -- 2.43.0 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 CC1A2C3ABC3 for ; Tue, 13 May 2025 06:34:49 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1uEj9R-0003Ef-R9; Tue, 13 May 2025 02:30:05 -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 1uEj9M-0003AY-F5; Tue, 13 May 2025 02:30:00 -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 1uEj9K-0001nN-M4; Tue, 13 May 2025 02:30:00 -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; Tue, 13 May 2025 14:29:03 +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; Tue, 13 May 2025 14:29:03 +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 v2 05/25] hw/misc/aspeed_hace: Split hash execution into helper functions for clarity Date: Tue, 13 May 2025 14:28:35 +0800 Message-ID: <20250513062901.2256865-6-jamin_lin@aspeedtech.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20250513062901.2256865-1-jamin_lin@aspeedtech.com> References: <20250513062901.2256865-1-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+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Refactor "do_hash_operation()" by extracting hash execution and result handling into dedicated helper functions: - "hash_write_digest_and_unmap_iov()": Writes the digest result to memory and unmaps IOVs after processing. - "hash_execute_non_acc_mode()": Handles one-shot (non-accumulated) hash operations. - "hash_execute_acc_mode()": Handles accumulated hashing, including update and finalize logic. No functional changes introduced. Signed-off-by: Jamin Lin --- hw/misc/aspeed_hace.c | 133 ++++++++++++++++++++++++++---------------- 1 file changed, 83 insertions(+), 50 deletions(-) diff --git a/hw/misc/aspeed_hace.c b/hw/misc/aspeed_hace.c index 22eea62693..eb513ba00f 100644 --- a/hw/misc/aspeed_hace.c +++ b/hw/misc/aspeed_hace.c @@ -228,26 +228,96 @@ static int hash_prepare_sg_iov(AspeedHACEState *s, struct iovec *iov, return iov_idx; } -static void do_hash_operation(AspeedHACEState *s, int algo, bool sg_mode, - bool acc_mode) +static void hash_write_digest_and_unmap_iov(AspeedHACEState *s, + struct iovec *iov, + int iov_idx, + uint8_t *digest_buf, + size_t digest_len) +{ + if (address_space_write(&s->dram_as, s->regs[R_HASH_DEST], + MEMTXATTRS_UNSPECIFIED, digest_buf, digest_len)) { + qemu_log_mask(LOG_GUEST_ERROR, + "%s: Failed to write digest to 0x%x\n", + __func__, s->regs[R_HASH_DEST]); + } + + for (; iov_idx > 0; iov_idx--) { + address_space_unmap(&s->dram_as, iov[iov_idx - 1].iov_base, + iov[iov_idx - 1].iov_len, false, + iov[iov_idx - 1].iov_len); + } +} + +static void hash_execute_non_acc_mode(AspeedHACEState *s, int algo, + struct iovec *iov, int iov_idx) { g_autofree uint8_t *digest_buf = NULL; - struct iovec iov[ASPEED_HACE_MAX_SG]; - bool acc_final_request = false; Error *local_err = NULL; - size_t digest_len = 0; - int iov_idx = -1; + size_t digest_len; + + if (qcrypto_hash_bytesv(algo, iov, iov_idx, &digest_buf, + &digest_len, &local_err) < 0) { + qemu_log_mask(LOG_GUEST_ERROR, + "%s: qcrypto hash bytesv failed : %s", + __func__, error_get_pretty(local_err)); + error_free(local_err); + return; + } + + hash_write_digest_and_unmap_iov(s, iov, iov_idx, digest_buf, digest_len); +} + +static void hash_execute_acc_mode(AspeedHACEState *s, int algo, + struct iovec *iov, int iov_idx, + bool final_request) +{ + g_autofree uint8_t *digest_buf = NULL; + Error *local_err = NULL; + size_t digest_len; - if (acc_mode && s->hash_ctx == NULL) { + if (s->hash_ctx == NULL) { s->hash_ctx = qcrypto_hash_new(algo, &local_err); if (s->hash_ctx == NULL) { - qemu_log_mask(LOG_GUEST_ERROR, "qcrypto hash failed : %s", - error_get_pretty(local_err)); + qemu_log_mask(LOG_GUEST_ERROR, "%s: qcrypto hash new failed : %s", + __func__, error_get_pretty(local_err)); error_free(local_err); return; } } + if (qcrypto_hash_updatev(s->hash_ctx, iov, iov_idx, &local_err) < 0) { + qemu_log_mask(LOG_GUEST_ERROR, "%s: qcrypto hash updatev failed : %s", + __func__, error_get_pretty(local_err)); + error_free(local_err); + return; + } + + if (final_request) { + if (qcrypto_hash_finalize_bytes(s->hash_ctx, &digest_buf, + &digest_len, &local_err)) { + qemu_log_mask(LOG_GUEST_ERROR, + "%s: qcrypto hash finalize bytes failed : %s", + __func__, error_get_pretty(local_err)); + error_free(local_err); + local_err = NULL; + } + + qcrypto_hash_free(s->hash_ctx); + + s->hash_ctx = NULL; + s->total_req_len = 0; + } + + hash_write_digest_and_unmap_iov(s, iov, iov_idx, digest_buf, digest_len); +} + +static void do_hash_operation(AspeedHACEState *s, int algo, bool sg_mode, + bool acc_mode) +{ + struct iovec iov[ASPEED_HACE_MAX_SG]; + bool acc_final_request = false; + int iov_idx = -1; + /* Prepares the iov for hashing operations based on the selected mode */ if (sg_mode) { iov_idx = hash_prepare_sg_iov(s, iov, acc_mode, &acc_final_request); @@ -261,48 +331,11 @@ static void do_hash_operation(AspeedHACEState *s, int algo, bool sg_mode, return; } + /* Executes the hash operation */ if (acc_mode) { - if (qcrypto_hash_updatev(s->hash_ctx, iov, iov_idx, &local_err) < 0) { - qemu_log_mask(LOG_GUEST_ERROR, "qcrypto hash update failed : %s", - error_get_pretty(local_err)); - error_free(local_err); - return; - } - - if (acc_final_request) { - if (qcrypto_hash_finalize_bytes(s->hash_ctx, &digest_buf, - &digest_len, &local_err)) { - qemu_log_mask(LOG_GUEST_ERROR, - "qcrypto hash finalize failed : %s", - error_get_pretty(local_err)); - error_free(local_err); - local_err = NULL; - } - - qcrypto_hash_free(s->hash_ctx); - - s->hash_ctx = NULL; - s->total_req_len = 0; - } - } else if (qcrypto_hash_bytesv(algo, iov, iov_idx, &digest_buf, - &digest_len, &local_err) < 0) { - qemu_log_mask(LOG_GUEST_ERROR, "qcrypto hash bytesv failed : %s", - error_get_pretty(local_err)); - error_free(local_err); - return; - } - - if (address_space_write(&s->dram_as, s->regs[R_HASH_DEST], - MEMTXATTRS_UNSPECIFIED, - digest_buf, digest_len)) { - qemu_log_mask(LOG_GUEST_ERROR, - "aspeed_hace: address space write failed\n"); - } - - for (; iov_idx > 0; iov_idx--) { - address_space_unmap(&s->dram_as, iov[iov_idx - 1].iov_base, - iov[iov_idx - 1].iov_len, false, - iov[iov_idx - 1].iov_len); + hash_execute_acc_mode(s, algo, iov, iov_idx, acc_final_request); + } else { + hash_execute_non_acc_mode(s, algo, iov, iov_idx); } } -- 2.43.0