[PATCH] lspci: Add PCIe 6.0 data rate (64 GT/s) support

* [PATCH] lspci: Add PCIe 6.0 data rate (64 GT/s) support
@ 2020-11-18 22:56 Gustavo Pimentel
  2020-11-19  9:10 ` Krzysztof Wilczyński
  2020-12-06 18:45 ` Martin Mareš
  0 siblings, 2 replies; 3+ messages in thread
From: Gustavo Pimentel @ 2020-11-18 22:56 UTC (permalink / raw)
  To: Martin Mares, Bjorn Helgaas, linux-pci; +Cc: Joao Pinto, Gustavo Pimentel

This enables "lspci" to show PCIe 6.0 data rate (64 GT/s) properly
according to the contents in register PCI_EXP_LNKCAP, PCI_EXP_LNKSTA
and PCI_EXP_LNKCTL2.

Signed-off-by: Gustavo Pimentel <gustavo.pimentel@synopsys.com>
---
 ls-caps.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/ls-caps.c b/ls-caps.c
index a09b0cf..c4d27d5 100644
--- a/ls-caps.c
+++ b/ls-caps.c
@@ -751,6 +751,8 @@ static char *link_speed(int speed)
         return "16GT/s";
       case 5:
         return "32GT/s";
+      case 6:
+        return "64GT/s";
       default:
 	return "unknown";
     }
@@ -1196,6 +1198,8 @@ static const char *cap_express_link2_speed(int type)
         return "16GT/s";
       case 5:
         return "32GT/s";
+      case 6:
+        return "64GT/s";
       default:
 	return "Unknown";
     }
-- 
2.7.4


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