linux-kernel - [PATCH] PCI: Add PCI_EXT_CAP_ID_PL

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Message-Id: <20240806022746.16353-1-412574090@163.com>
Date: Tue,  6 Aug 2024 10:27:46 +0800
From: 412574090@....com
To: bhelgaas@...gle.com
Cc: linux-pci@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	xiongxin@...inos.cn,
	weiyufeng <weiyufeng@...inos.cn>
Subject: [PATCH] PCI: Add PCI_EXT_CAP_ID_PL_64GT define

From: weiyufeng <weiyufeng@...inos.cn>

PCIe r6.0, sec 7.7.7.1, defines a new 64.0 GT/s PCIe Extended Capability
ID,Add the define for PCI_EXT_CAP_ID_PL_64GT for drivers that will want
this whilst doing Gen6 accesses.

Signed-off-by: weiyufeng <weiyufeng@...inos.cn>
---
 include/uapi/linux/pci_regs.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/include/uapi/linux/pci_regs.h b/include/uapi/linux/pci_regs.h
index 94c00996e633..cc875534dae1 100644
--- a/include/uapi/linux/pci_regs.h
+++ b/include/uapi/linux/pci_regs.h
@@ -741,6 +741,7 @@
 #define PCI_EXT_CAP_ID_DLF	0x25	/* Data Link Feature */
 #define PCI_EXT_CAP_ID_PL_16GT	0x26	/* Physical Layer 16.0 GT/s */
 #define PCI_EXT_CAP_ID_PL_32GT  0x2A    /* Physical Layer 32.0 GT/s */
+#define PCI_EXT_CAP_ID_PL_64GT  0x31    /* Physical Layer 64.0 GT/s */
 #define PCI_EXT_CAP_ID_DOE	0x2E	/* Data Object Exchange */
 #define PCI_EXT_CAP_ID_MAX	PCI_EXT_CAP_ID_DOE
 
-- 
2.25.1