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 1A9D0C61DE4 for ; Mon, 31 Aug 2026 02:36:17 +0000 (UTC) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 7461F406FF; Mon, 31 Aug 2026 04:35:32 +0200 (CEST) Received: from cstnet.cn (smtp81.cstnet.cn [159.226.251.81]) by mails.dpdk.org (Postfix) with ESMTP id 7A5A040430; Mon, 31 Aug 2026 04:35:10 +0200 (CEST) Received: from localhost.localdomain (unknown [118.112.177.181]) by APP-03 (Coremail) with SMTP id rQCowABnckBX6JRq27+jBg--.24645S18; Mon, 31 Aug 2026 10:35:08 +0800 (CST) From: Jie Liu To: dev@dpdk.org Cc: Jie Liu , stable@dpdk.org, stephen@networkplumber.org Subject: [PATCH v7 16/47] net/sxe2: use regular write for mapped registers Date: Mon, 31 Aug 2026 10:34:29 +0800 Message-ID: <20260831023500.3229289-17-liujie5@linkdatatechnology.com> X-Mailer: git-send-email 2.52.0 In-Reply-To: <20260831023500.3229289-1-liujie5@linkdatatechnology.com> References: <20260828074056.2250222-1-liujie5@linkdatatechnology.com> <20260831023500.3229289-1-liujie5@linkdatatechnology.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CM-TRANSID: rQCowABnckBX6JRq27+jBg--.24645S18 X-Coremail-Antispam: 1UD129KBjvJXoW7Cw4fGF4rJFy7tF18JrykGrg_yoW8Ww17pF W5tryavF1YqFs8tws8JayxXF9Ig3WkJr9FkayY934fZF1DJr1UCFs0ga4rtw4Ykr4xJa1F vrW3Ar1UWaykAw7anT9S1TB71UUUUU7qnTZGkaVYY2UrUUUUjbIjqfuFe4nvWSU5nxnvy2 9KBjDU0xBIdaVrnRJUUU9K14x267AKxVWrJVCq3wAFc2x0x2IEx4CE42xK8VAvwI8IcIk0 rVWrJVCq3wAFIxvE14AKwVWUJVWUGwA2048vs2IY020E87I2jVAFwI0_JF0E3s1l82xGYI kIc2x26xkF7I0E14v26ryj6s0DM28lY4IEw2IIxxk0rwA2F7IY1VAKz4vEj48ve4kI8wA2 z4x0Y4vE2Ix0cI8IcVAFwI0_Gr0_Xr1l84ACjcxK6xIIjxv20xvEc7CjxVAFwI0_Cr0_Gr 1UM28EF7xvwVC2z280aVAFwI0_Gr0_Cr1l84ACjcxK6I8E87Iv6xkF7I0E14v26r4j6r4U JwAS0I0E0xvYzxvE52x082IY62kv0487Mc02F40EFcxC0VAKzVAqx4xG6I80ewAv7VC0I7 IYx2IY67AKxVWUJVWUGwAv7VC2z280aVAFwI0_Jr0_Gr1lOx8S6xCaFVCjc4AY6r1j6r4U M4x0Y48IcxkI7VAKI48JM4x0x7Aq67IIx4CEVc8vx2IErcIFxwCF04k20xvY0x0EwIxGrw CFx2IqxVCFs4IE7xkEbVWUJVW8JwC20s026c02F40E14v26r1j6r18MI8I3I0E7480Y4vE 14v26r106r1rMI8E67AF67kF1VAFwI0_JF0_Jw1lIxkGc2Ij64vIr41lIxAIcVC0I7IYx2 IY67AKxVW8JVW5JwCI42IY6xIIjxv20xvEc7CjxVAFwI0_Cr0_Gr1UMIIF0xvE42xK8VAv wI8IcIk0rVWUJVWUCwCI42IY6I8E87Iv67AKxVW8JVWxJwCI42IY6I8E87Iv6xkF7I0E14 v26r4j6r4UJbIYCTnIWIevJa73UjIFyTuYvjfUOBTYUUUUU 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 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