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From 7cdf18b541dfdbbbe4ed1e35179dd41c0d473648 Mon Sep 17 00:00:00 2001
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Message-Id: <7cdf18b541dfdbbbe4ed1e35179dd41c0d473648@dist-git>
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From: Shivaprasad G Bhat <sbhat@linux.vnet.ibm.com>
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Date: Mon, 17 Apr 2017 17:16:44 -0400
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Subject: [PATCH] pci: recognize/report GEN4 (PCIe 4.0) card 16GT/s Link speed
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Without this added enum value, nodedev-dumpxml of a GEN4 (PCIe 4.0)
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card will fail (due to the unrecognized link speed), and since
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nodedev-detach and nodedev-reattach internally do a dumpxml+parse,
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they will also fail. With this patch, all those operations succeed.
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Resolves: https://bugzilla.redhat.com/1442831
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Signed-off-by: Shivaprasad G Bhat <sbhat@linux.vnet.ibm.com>
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(cherry picked from commit 8e09663f7ff70b10a560746f17897d2c67c8460d)
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---
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src/util/virpci.c | 4 ++--
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src/util/virpci.h | 1 +
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2 files changed, 3 insertions(+), 2 deletions(-)
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diff --git a/src/util/virpci.c b/src/util/virpci.c
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index 65c108f2e..c89b94b5f 100644
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--- a/src/util/virpci.c
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+++ b/src/util/virpci.c
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@@ -53,7 +53,7 @@ VIR_LOG_INIT("util.pci");
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#define PCI_ADDR_LEN 13 /* "XXXX:XX:XX.X" */
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VIR_ENUM_IMPL(virPCIELinkSpeed, VIR_PCIE_LINK_SPEED_LAST,
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- "", "2.5", "5", "8")
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+ "", "2.5", "5", "8", "16")
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VIR_ENUM_IMPL(virPCIStubDriver, VIR_PCI_STUB_DRIVER_LAST,
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"none",
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@@ -147,7 +147,7 @@ struct _virPCIDeviceList {
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#define PCI_EXP_DEVCAP 0x4 /* Device capabilities */
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#define PCI_EXP_DEVCAP_FLR (1<<28) /* Function Level Reset */
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#define PCI_EXP_LNKCAP 0xc /* Link Capabilities */
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-#define PCI_EXP_LNKCAP_SPEED 0x0000f /* Maximum Link Speed */
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+#define PCI_EXP_LNKCAP_SPEED 0x0001f /* Maximum Link Speed */
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#define PCI_EXP_LNKCAP_WIDTH 0x003f0 /* Maximum Link Width */
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#define PCI_EXP_LNKSTA 0x12 /* Link Status */
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#define PCI_EXP_LNKSTA_SPEED 0x000f /* Negotiated Link Speed */
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diff --git a/src/util/virpci.h b/src/util/virpci.h
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index 8637c2c68..570684e75 100644
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--- a/src/util/virpci.h
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+++ b/src/util/virpci.h
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@@ -58,6 +58,7 @@ typedef enum {
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VIR_PCIE_LINK_SPEED_25,
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VIR_PCIE_LINK_SPEED_5,
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VIR_PCIE_LINK_SPEED_8,
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+ VIR_PCIE_LINK_SPEED_16,
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VIR_PCIE_LINK_SPEED_LAST
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} virPCIELinkSpeed;
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--
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2.12.2
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