From: Jacky Chou <jacky_chou@aspeedtech.com>
To: <lpieralisi@kernel.org>, <kwilczynski@kernel.org>,
<mani@kernel.org>, <robh@kernel.org>, <bhelgaas@google.com>,
<krzk+dt@kernel.org>, <conor+dt@kernel.org>, <joel@jms.id.au>,
<andrew@codeconstruct.com.au>, <vkoul@kernel.org>,
<kishon@kernel.org>, <linus.walleij@linaro.org>,
<p.zabel@pengutronix.de>, <linux-aspeed@lists.ozlabs.org>,
<linux-pci@vger.kernel.org>, <devicetree@vger.kernel.org>,
<linux-arm-kernel@lists.infradead.org>,
<linux-kernel@vger.kernel.org>, <linux-phy@lists.infradead.org>,
<openbmc@lists.ozlabs.org>, <linux-gpio@vger.kernel.org>
Cc: <jacky_chou@aspeedtech.com>
Subject: [PATCH v4 7/9] PCI: Add FMT, TYPE and CPL status definition for TLP header
Date: Mon, 27 Oct 2025 17:58:23 +0800 [thread overview]
Message-ID: <20251027095825.181161-8-jacky_chou@aspeedtech.com> (raw)
In-Reply-To: <20251027095825.181161-1-jacky_chou@aspeedtech.com>
According to PCIe specification, add FMT, TYPE and CPL status
definition for TLP header.
Signed-off-by: Jacky Chou <jacky_chou@aspeedtech.com>
---
drivers/pci/pci.h | 15 +++++++++++++++
1 file changed, 15 insertions(+)
diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h
index 4492b809094b..9e5cf35409c8 100644
--- a/drivers/pci/pci.h
+++ b/drivers/pci/pci.h
@@ -88,6 +88,21 @@ struct pcie_tlp_log;
#define PCI_BUS_BRIDGE_MEM_WINDOW 1
#define PCI_BUS_BRIDGE_PREF_MEM_WINDOW 2
+/* Format of TLP; PCIe r7.0, 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 r7.0, 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 */
+
+/* Cpl. status of Complete; PCIe r7.0, sec 2.2.9.1 */
+#define PCIE_CPL_STS_SUCCESS 0x00 /* Successful Completion */
+
extern const unsigned char pcie_link_speed[];
extern bool pci_early_dump;
--
2.34.1
next prev parent reply other threads:[~2025-10-27 9:59 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-10-27 9:58 [PATCH v4 0/9] Add ASPEED PCIe Root Complex support Jacky Chou
2025-10-27 9:58 ` [PATCH v4 1/9] dt-bindings: phy: aspeed: Add ASPEED PCIe PHY Jacky Chou
2025-10-27 9:58 ` [PATCH v4 2/9] dt-bindings: PCI: Add ASPEED PCIe RC support Jacky Chou
2025-10-28 13:46 ` Bjorn Helgaas
2025-10-29 5:43 ` Jacky Chou
2025-10-27 9:58 ` [PATCH v4 3/9] dt-bindings: pinctrl: aspeed,ast2600-pinctrl: Add PCIe RC PERST# group Jacky Chou
2025-10-27 9:58 ` [PATCH v4 4/9] ARM: dts: aspeed-g6: Add AST2600 PCIe RC PERST# Jacky Chou
2025-10-28 7:53 ` Krzysztof Kozlowski
2025-10-28 8:41 ` Jacky Chou
2025-10-27 9:58 ` [PATCH v4 5/9] ARM: dts: aspeed-g6: Add PCIe RC and PCIe PHY node Jacky Chou
2025-10-27 9:58 ` [PATCH v4 6/9] PHY: aspeed: Add ASPEED PCIe PHY driver Jacky Chou
2025-10-27 9:58 ` Jacky Chou [this message]
2025-10-27 9:58 ` [PATCH v4 8/9] PCI: aspeed: Add ASPEED PCIe RC driver Jacky Chou
2025-10-28 5:27 ` kernel test robot
2025-10-28 14:22 ` kernel test robot
2025-10-28 17:13 ` Bjorn Helgaas
2025-10-30 5:53 ` 回覆: " Jacky Chou
2025-10-27 9:58 ` [PATCH v4 9/9] MAINTAINERS: " Jacky Chou
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