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From: Jacky Chou <jacky_chou@aspeedtech.com>
To: "Vinod Koul" <vkoul@kernel.org>,
	"Kishon Vijay Abraham I" <kishon@kernel.org>,
	"Rob Herring" <robh@kernel.org>,
	"Krzysztof Kozlowski" <krzk+dt@kernel.org>,
	"Conor Dooley" <conor+dt@kernel.org>,
	"Joel Stanley" <joel@jms.id.au>,
	"Andrew Jeffery" <andrew@codeconstruct.com.au>,
	"Bjorn Helgaas" <bhelgaas@google.com>,
	"Lorenzo Pieralisi" <lpieralisi@kernel.org>,
	"Krzysztof Wilczyński" <kwilczynski@kernel.org>,
	"Manivannan Sadhasivam" <mani@kernel.org>,
	"Linus Walleij" <linus.walleij@linaro.org>,
	"Philipp Zabel" <p.zabel@pengutronix.de>
Cc: <linux-aspeed@lists.ozlabs.org>, <linux-pci@vger.kernel.org>,
	<linux-phy@lists.infradead.org>, <devicetree@vger.kernel.org>,
	<linux-arm-kernel@lists.infradead.org>,
	<linux-kernel@vger.kernel.org>, Andrew Jeffery <andrew@aj.id.au>,
	<openbmc@lists.ozlabs.org>, <linux-gpio@vger.kernel.org>,
	Jacky Chou <jacky_chou@aspeedtech.com>
Subject: [PATCH v6 5/7] PCI: Add FMT, TYPE and CPL status definition for TLP header
Date: Mon, 1 Dec 2025 14:29:15 +0800	[thread overview]
Message-ID: <20251201-upstream_pcie_rc-v6-5-8c8800c56b16@aspeedtech.com> (raw)
In-Reply-To: <20251201-upstream_pcie_rc-v6-0-8c8800c56b16@aspeedtech.com>

According to PCIe specification, add FMT, TYPE and CPL status
definition for TLP header.

Acked-by: Bjorn Helgaas <bhelgaas@google.com>
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 36f8c0985430..b186f3ea6a78 100644
--- a/drivers/pci/pci.h
+++ b/drivers/pci/pci.h
@@ -63,6 +63,18 @@ struct pcie_tlp_log;
 #define PCIE_LINK_WAIT_MAX_RETRIES	10
 #define PCIE_LINK_WAIT_SLEEP_MS		90
 
+/* 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 */
+
 /* Message Routing (r[2:0]); PCIe r6.0, sec 2.2.8 */
 #define PCIE_MSG_TYPE_R_RC	0
 #define PCIE_MSG_TYPE_R_ADDR	1
@@ -84,6 +96,9 @@ struct pcie_tlp_log;
 #define PCIE_MSG_CODE_DEASSERT_INTC	0x26
 #define PCIE_MSG_CODE_DEASSERT_INTD	0x27
 
+/* Cpl. status of Complete; PCIe r7.0, sec 2.2.9.1 */
+#define PCIE_CPL_STS_SUCCESS		0x00 /* Successful Completion */
+
 #define PCI_BUS_BRIDGE_IO_WINDOW	0
 #define PCI_BUS_BRIDGE_MEM_WINDOW	1
 #define PCI_BUS_BRIDGE_PREF_MEM_WINDOW	2

-- 
2.34.1


  parent reply	other threads:[~2025-12-01  6:29 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-12-01  6:29 [PATCH v6 0/7] Add ASPEED PCIe Root Complex support Jacky Chou
2025-12-01  6:29 ` [PATCH v6 1/7] dt-bindings: phy: aspeed: Add ASPEED PCIe PHY Jacky Chou
2025-12-01  6:29 ` [PATCH v6 2/7] dt-bindings: PCI: Add ASPEED PCIe RC support Jacky Chou
2025-12-01  6:29 ` [PATCH v6 3/7] ARM: dts: aspeed-g6: Add PCIe RC and PCIe PHY node Jacky Chou
2025-12-01  6:29 ` [PATCH v6 4/7] PHY: aspeed: Add ASPEED PCIe PHY driver Jacky Chou
2025-12-01  6:29 ` Jacky Chou [this message]
2025-12-01  6:29 ` [PATCH v6 6/7] PCI: aspeed: Add ASPEED PCIe RC driver Jacky Chou
2025-12-09  0:11   ` Bjorn Helgaas
2025-12-10  2:17     ` Jacky Chou
2025-12-01  6:29 ` [PATCH v6 7/7] MAINTAINERS: " Jacky Chou
2025-12-04 19:53 ` [PATCH v6 0/7] Add ASPEED PCIe Root Complex support Rob Herring
2025-12-05  0:12   ` Jacky Chou
2025-12-06  0:08     ` Rob Herring
2025-12-08  3:01       ` Jacky Chou

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