From nobody Fri Oct 3 13:32:06 2025 Received: from TWMBX01.aspeed.com (mail.aspeedtech.com [211.20.114.72]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id D358D26560D; Mon, 1 Sep 2025 05:59:39 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=211.20.114.72 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1756706381; cv=none; b=V9s4y4d2Qw2fgJFTAssi0Ty2jfyVOcx4zWVVGnHY5To1Gx9nqqS9PfhRy9xBZdEDQ1CKTU5X9eCdbzCbbaTcF8UdFv3vcGTO8TbUYjD6vSEtD1FXh3ER0Q9VnVPbTS2rzPpleVvacoBnGm1NVOFpBp6NUY0i2y07YJikH/3+P4Q= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1756706381; c=relaxed/simple; bh=IH5XW073DI4C8Fo3XpjfYJDP0x6AgX6FrVwhZ5Ommus=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=bd3pxRL/vVGFVKH8Z1ydaO1Zyv4CFJpc3VzbLXDxKCtGbh80wpRs+pGHQB7+c7CvTK2ZJpyWxPtHI3xdP5rWqfr3wo2+ZOvsfo1wkZb1wXw7UTPc9fQ1dtuLPlh278Sop/sRBLzQahEtAVP7jcqaCSuCx6EnvVLW6WBhsQS2dBA= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=aspeedtech.com; spf=pass smtp.mailfrom=aspeedtech.com; arc=none smtp.client-ip=211.20.114.72 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=aspeedtech.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=aspeedtech.com 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; Mon, 1 Sep 2025 13:59:23 +0800 Received: from mail.aspeedtech.com (192.168.10.13) by TWMBX01.aspeed.com (192.168.0.62) with Microsoft SMTP Server id 15.2.1748.10 via Frontend Transport; Mon, 1 Sep 2025 13:59:23 +0800 From: Jacky Chou To: , , , , , , , , , , , , , , , , , , , , CC: Subject: [PATCH v3 08/10] PCI: Add FMT and TYPE definition for TLP header Date: Mon, 1 Sep 2025 13:59:20 +0800 Message-ID: <20250901055922.1553550-9-jacky_chou@aspeedtech.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20250901055922.1553550-1-jacky_chou@aspeedtech.com> References: <20250901055922.1553550-1-jacky_chou@aspeedtech.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" According to PCIe specification, add FMT and TYPE definition for TLP header. Signed-off-by: Jacky Chou --- drivers/pci/pci.h | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h index 34f65d69662e..45d47d6c4f53 100644 --- a/drivers/pci/pci.h +++ b/drivers/pci/pci.h @@ -81,6 +81,18 @@ struct pcie_tlp_log; #define PCIE_MSG_CODE_DEASSERT_INTC 0x26 #define PCIE_MSG_CODE_DEASSERT_INTD 0x27 =20 +/* Format of TLP; PCIe r5.0, sec 2.2.1 */ +#define PCIE_TLP_FMT_3DW_NO_DATA 0x00 /* 3DW header, no data */ +#define PCIE_TLP_FMT_4DW_NO_DATA 0x01 /* 4DW header, no data */ +#define PCIE_TLP_FMT_3DW_DATA 0x02 /* 3DW header, with data */ +#define PCIE_TLP_FMT_4DW_DATA 0x03 /* 4DW header, with data */ + +/* Type of TLP; PCIe r5.0, sec 2.2.1 */ +#define PCIE_TLP_TYPE_CFG0_RD 0x04 /* Config Type 0 Read Request */ +#define PCIE_TLP_TYPE_CFG0_WR 0x04 /* Config Type 0 Write Request */ +#define PCIE_TLP_TYPE_CFG1_RD 0x05 /* Config Type 1 Read Request */ +#define PCIE_TLP_TYPE_CFG1_WR 0x05 /* Config Type 1 Write Request */ + extern const unsigned char pcie_link_speed[]; extern bool pci_early_dump; =20 --=20 2.43.0