[PATCH v6 5/7] PCI: Add FMT, TYPE and CPL status definition for TLP header

Jacky Chou posted 7 patches 15 hours ago
[PATCH v6 5/7] PCI: Add FMT, TYPE and CPL status definition for TLP header
Posted by Jacky Chou 15 hours ago
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