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From: Gustavo Pimentel <Gustavo.Pimentel@synopsys.com>
To: Martin Mares <mj@ucw.cz>, Bjorn Helgaas <bhelgaas@google.com>,
	linux-pci@vger.kernel.org
Cc: Joao Pinto <Joao.Pinto@synopsys.com>,
	Gustavo Pimentel <Gustavo.Pimentel@synopsys.com>
Subject: [PATCH] lspci: Add PCIe 6.0 data rate (64 GT/s) support
Date: Wed, 18 Nov 2020 23:56:52 +0100	[thread overview]
Message-ID: <ad286025549e42030bc75ef9f99af9c92071a205.1605740212.git.gustavo.pimentel@synopsys.com> (raw)

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


             reply	other threads:[~2020-11-18 22:57 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-11-18 22:56 Gustavo Pimentel [this message]
2020-11-19  9:10 ` Krzysztof Wilczyński
2020-12-06 18:45 ` Martin Mareš

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