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* [PATCH v3 1/1] ShellPkg/Pci.c: Update supported link speed to PCI5.0
@ 2019-09-01 15:14 Gao, Zhichao
  2019-09-04  4:09 ` Ni, Ray
  0 siblings, 1 reply; 3+ messages in thread
From: Gao, Zhichao @ 2019-09-01 15:14 UTC (permalink / raw)
  To: devel; +Cc: Gao, Zhichao, Ray Ni, Oleksiy, Liming Gao

From: "Gao, Zhichao" <zhichao.gao@intel.com>

REF: https://bugzilla.tianocore.org/show_bug.cgi?id=1955

Refer to PCI express base specification Reversion 5.0, Version
1.0, Table 7-33, Supported Link Speeds Vector bit 3 indicate
the speed 16 GT/s and bit 4 indicate the speed 32 GT/s.
Add the support to shell command 'pci ...'.

Change the MaxLinkSpeed other values' result from 'Unknown'
to 'Reserved' to make the result align.

Cc: Ray Ni <ray.ni@intel.com>
Cc: Oleksiy <oleksiyy@ami.com>
Cc: Liming Gao <liming.gao@intel.com>
Signed-off-by: Zhichao Gao <zhichao.gao@intel.com>
---
V2:
Update the copyright.

V3:
Update the link speed to support PCI 5.0.

  Update the support
 .../Library/UefiShellDebug1CommandsLib/Pci.c     | 16 ++++++++++++++--
 1 file changed, 14 insertions(+), 2 deletions(-)

diff --git a/ShellPkg/Library/UefiShellDebug1CommandsLib/Pci.c b/ShellPkg/Library/UefiShellDebug1CommandsLib/Pci.c
index ba9caa774398..3e138188cec3 100644
--- a/ShellPkg/Library/UefiShellDebug1CommandsLib/Pci.c
+++ b/ShellPkg/Library/UefiShellDebug1CommandsLib/Pci.c
@@ -1,7 +1,7 @@
 /** @file
   Main file for Pci shell Debug1 function.
 
-  Copyright (c) 2005 - 2018, Intel Corporation. All rights reserved.<BR>
+  Copyright (c) 2005 - 2019, Intel Corporation. All rights reserved.<BR>
   (C) Copyright 2013-2015 Hewlett-Packard Development Company, L.P.<BR>
   (C) Copyright 2016 Hewlett Packard Enterprise Development LP<BR>
   SPDX-License-Identifier: BSD-2-Clause-Patent
@@ -4515,8 +4515,14 @@ ExplainPcieLinkCap (
     case 3:
       MaxLinkSpeed = L"8.0 GT/s";
       break;
+    case 4:
+      MaxLinkSpeed = L"16.0 GT/s";
+      break;
+    case 5:
+      MaxLinkSpeed = L"32.0 GT/s";
+      break;
     default:
-      MaxLinkSpeed = L"Unknown";
+      MaxLinkSpeed = L"Reserved";
       break;
   }
   ShellPrintEx (-1, -1,
@@ -4672,6 +4678,12 @@ ExplainPcieLinkStatus (
     case 3:
       CurLinkSpeed = L"8.0 GT/s";
       break;
+    case 4:
+      CurLinkSpeed = L"16.0 GT/s";
+      break;
+    case 5:
+      CurLinkSpeed = L"32.0 GT/s";
+      break;
     default:
       CurLinkSpeed = L"Reserved";
       break;
-- 
2.21.0.windows.1


^ permalink raw reply related	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2019-09-04  7:59 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz follow: Atom feed
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2019-09-01 15:14 [PATCH v3 1/1] ShellPkg/Pci.c: Update supported link speed to PCI5.0 Gao, Zhichao
2019-09-04  4:09 ` Ni, Ray
2019-09-04  7:58   ` Liming Gao

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