From: 412574090@163.com
To: bhelgaas@google.com
Cc: linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org,
xiongxin@kylinos.cn, weiyufeng <weiyufeng@kylinos.cn>
Subject: [PATCH] PCI: Add PCI_EXT_CAP_ID_PL_64GT define
Date: Tue, 6 Aug 2024 10:27:46 +0800 [thread overview]
Message-ID: <20240806022746.16353-1-412574090@163.com> (raw)
From: weiyufeng <weiyufeng@kylinos.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@kylinos.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
next reply other threads:[~2024-08-06 2:28 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-08-06 2:27 412574090 [this message]
2024-08-06 14:38 ` [PATCH] PCI: Add PCI_EXT_CAP_ID_PL_64GT define Ilpo Järvinen
2024-08-08 2:32 ` 412574090
2024-08-08 17:22 ` Bjorn Helgaas
2024-08-06 17:59 ` Bjorn Helgaas
2024-08-08 2:12 ` 412574090
2024-08-08 16:20 ` Jonathan Cameron
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