[libvirt] [PATCH] pci: fix link maximum speed detection
Michal Privoznik
mprivozn at redhat.com
Thu May 18 08:52:37 UTC 2017
On 05/16/2017 03:19 PM, Marek Marczykowski-Górecki wrote:
> Commit 8e09663 "pci: recognize/report GEN4 (PCIe 4.0) card 16GT/s Link
> speed" introduced another speed into enum, but mistakenly also altered
> field width, so one bit of link width was included there.
>
> Signed-off-by: Marek Marczykowski-Górecki <marmarek at invisiblethingslab.com>
> ---
> src/util/virpci.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/src/util/virpci.c b/src/util/virpci.c
> index 83c7e74..2c1b758 100644
> --- a/src/util/virpci.c
> +++ b/src/util/virpci.c
> @@ -147,7 +147,7 @@ struct _virPCIDeviceList {
> #define PCI_EXP_DEVCAP 0x4 /* Device capabilities */
> #define PCI_EXP_DEVCAP_FLR (1<<28) /* Function Level Reset */
> #define PCI_EXP_LNKCAP 0xc /* Link Capabilities */
> -#define PCI_EXP_LNKCAP_SPEED 0x0001f /* Maximum Link Speed */
> +#define PCI_EXP_LNKCAP_SPEED 0x0000f /* Maximum Link Speed */
> #define PCI_EXP_LNKCAP_WIDTH 0x003f0 /* Maximum Link Width */
> #define PCI_EXP_LNKSTA 0x12 /* Link Status */
> #define PCI_EXP_LNKSTA_SPEED 0x000f /* Negotiated Link Speed */
>
ACKed and pushed.
Michal
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