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 mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by smtp.lore.kernel.org (Postfix) with ESMTP id CFC71C61DE4 for ; Mon, 31 Aug 2026 02:42:43 +0000 (UTC) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id B663940BA0; Mon, 31 Aug 2026 04:42:41 +0200 (CEST) Received: from cstnet.cn (smtp81.cstnet.cn [159.226.251.81]) by mails.dpdk.org (Postfix) with ESMTP id 2D33C40DD2; Mon, 31 Aug 2026 04:42:38 +0200 (CEST) Received: from localhost.localdomain (unknown [118.112.177.181]) by APP-03 (Coremail) with SMTP id rQCowAD3AUAc6pRqUtSjBg--.34328S2; Mon, 31 Aug 2026 10:42:36 +0800 (CST) From: liujie5@linkdatatechnology.com To: stephen@networkplumber.org Cc: dev@dpdk.org, Jie Liu , stable@dpdk.org Subject: [PATCH v7 16/47] net/sxe2: use regular write for mapped registers Date: Mon, 31 Aug 2026 10:42:36 +0800 Message-ID: <20260831024236.3230733-1-liujie5@linkdatatechnology.com> X-Mailer: git-send-email 2.52.0 In-Reply-To: <20260828074056.2250222-1-liujie5@linkdatatechnology.com> References: <20260828074056.2250222-1-liujie5@linkdatatechnology.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CM-TRANSID: rQCowAD3AUAc6pRqUtSjBg--.34328S2 X-Coremail-Antispam: 1UD129KBjvJXoW7Kr18WFWfXryruF4kWw1xZrb_yoW8AryfpF WYqryavF1YqFs8tws8JayxZF9IgF1DJr9Fka90934fZF1DJr1UCFs0qa4rtw4Fkr4xJF4F vrW3Ar1UWa95Ar7anT9S1TB71UUUUU7qnTZGkaVYY2UrUUUUjbIjqfuFe4nvWSU5nxnvy2 9KBjDU0xBIdaVrnRJUUUkC14x267AKxVWUJVW8JwAFc2x0x2IEx4CE42xK8VAvwI8IcIk0 rVWrJVCq3wAFIxvE14AKwVWUJVWUGwA2ocxC64kIII0Yj41l84x0c7CEw4AK67xGY2AK02 1l84ACjcxK6xIIjxv20xvE14v26ryj6F1UM28EF7xvwVC0I7IYx2IY6xkF7I0E14v26r4U JVWxJr1l84ACjcxK6I8E87Iv67AKxVW8JVWxJwA2z4x0Y4vEx4A2jsIEc7CjxVAFwI0_Gr 1j6F4UJwAS0I0E0xvYzxvE52x082IY62kv0487Mc02F40EFcxC0VAKzVAqx4xG6I80ewAv 7VC0I7IYx2IY67AKxVWUtVWrXwAv7VC2z280aVAFwI0_Gr0_Cr1lOx8S6xCaFVCjc4AY6r 1j6r4UM4x0Y48IcxkI7VAKI48JM4x0x7Aq67IIx4CEVc8vx2IErcIFxwAKzVCY07xG64k0 F24l42xK82IYc2Ij64vIr41l4I8I3I0E4IkC6x0Yz7v_Jr0_Gr1lx2IqxVAqx4xG67AKxV WUJVWUGwC20s026x8GjcxK67AKxVWUGVWUWwC2zVAF1VAY17CE14v26r126r1DMIIYrxkI 7VAKI48JMIIF0xvE2Ix0cI8IcVAFwI0_Xr0_Ar1lIxAIcVC0I7IYx2IY6xkF7I0E14v26r 4UJVWxJr1lIxAIcVCF04k26cxKx2IYs7xG6r1j6r1xMIIF0xvEx4A2jsIE14v26r4j6F4U MIIF0xvEx4A2jsIEc7CjxVAFwI0_Gr1j6F4UJbIYCTnIWIevJa73UjIFyTuYvjfU8KsjUU UUU X-Originating-IP: [118.112.177.181] X-CM-SenderInfo: xolxyxrhv6zxpqngt3pdwhux5qro0w31of0z/ X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org From: Jie Liu sxe2_pci_map_write_reg() uses the write-combined store (SXE2_PCI_REG_WRITE_WC) to write control registers, which is intended for doorbell/tail writes and can be lossy or delayed for ordering sensitive register updates. Add SXE2_PCI_REG_WRITE macro using a regular rte_write32() and use it in sxe2_pci_map_write_reg(). Fixes: 8cebf80f1eda ("net/sxe2: support Rx interrupt") Cc: stable@dpdk.org Cc: stephen@networkplumber.org Signed-off-by: Jie Liu --- drivers/net/sxe2/sxe2_ethdev.c | 2 +- drivers/net/sxe2/sxe2_ethdev.h | 2 ++ 2 files changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/net/sxe2/sxe2_ethdev.c b/drivers/net/sxe2/sxe2_ethdev.c index 7a11a93dff..589f09c113 100644 --- a/drivers/net/sxe2/sxe2_ethdev.c +++ b/drivers/net/sxe2/sxe2_ethdev.c @@ -1439,7 +1439,7 @@ void sxe2_pci_map_write_reg(struct sxe2_adapter *adapter, goto l_ret; } - SXE2_PCI_REG_WRITE_WC(reg_addr, value); + SXE2_PCI_REG_WRITE(reg_addr, value); l_ret: return; } diff --git a/drivers/net/sxe2/sxe2_ethdev.h b/drivers/net/sxe2/sxe2_ethdev.h index 1409be74d3..cf1104144c 100644 --- a/drivers/net/sxe2/sxe2_ethdev.h +++ b/drivers/net/sxe2/sxe2_ethdev.h @@ -355,6 +355,8 @@ struct sxe2_adapter { #define SXE2_DEV_PRIVATE_TO_ADAPTER(dev) \ ((struct sxe2_adapter *)(dev)->data->dev_private) +#define SXE2_PCI_REG_WRITE(reg, value) rte_write32((rte_cpu_to_le_32(value)), (reg)) + void *sxe2_pci_map_addr_get(struct sxe2_adapter *adapter, enum sxe2_pci_map_resource res_type, uint16_t idx_in_func); -- 2.52.0