* [PATCH] PCI/P2PDMA: Add Nvidia Vera Rubin device to P2P whitelist
@ 2026-07-05 9:54 Leon Romanovsky
2026-07-06 15:35 ` Logan Gunthorpe
` (2 more replies)
0 siblings, 3 replies; 4+ messages in thread
From: Leon Romanovsky @ 2026-07-05 9:54 UTC (permalink / raw)
To: Bjorn Helgaas, Logan Gunthorpe; +Cc: linux-pci, linux-kernel
From: Leon Romanovsky <leonro@nvidia.com>
Nvidia Vera Rubin platforms support PCI peer‑to‑peer transactions.
Add them to the P2P whitelist to enable this functionality.
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
---
drivers/pci/p2pdma.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/drivers/pci/p2pdma.c b/drivers/pci/p2pdma.c
index b2d5266f8653..9334eb314663 100644
--- a/drivers/pci/p2pdma.c
+++ b/drivers/pci/p2pdma.c
@@ -564,6 +564,11 @@ static const struct pci_p2pdma_whitelist_entry {
{PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_QAT_6XXX, 0},
/* Google SoCs. */
{PCI_VENDOR_ID_GOOGLE, PCI_ANY_ID, 0},
+ /* Nvidia CPUs */
+ {PCI_VENDOR_ID_NVIDIA, 0x2f95, 0},
+ {PCI_VENDOR_ID_NVIDIA, 0x2f96, 0},
+ {PCI_VENDOR_ID_NVIDIA, 0x2f97, 0},
+ {PCI_VENDOR_ID_NVIDIA, 0x2f98, 0},
{}
};
---
base-commit: dc59e4fea9d83f03bad6bddf3fa2e52491777482
change-id: 20260615-p2p-vr-514bd262a839
Best regards,
--
Leon Romanovsky <leonro@nvidia.com>
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: [PATCH] PCI/P2PDMA: Add Nvidia Vera Rubin device to P2P whitelist
2026-07-05 9:54 [PATCH] PCI/P2PDMA: Add Nvidia Vera Rubin device to P2P whitelist Leon Romanovsky
@ 2026-07-06 15:35 ` Logan Gunthorpe
2026-07-22 5:32 ` Leon Romanovsky
2026-07-22 17:43 ` Bjorn Helgaas
2 siblings, 0 replies; 4+ messages in thread
From: Logan Gunthorpe @ 2026-07-06 15:35 UTC (permalink / raw)
To: Leon Romanovsky, Bjorn Helgaas; +Cc: linux-pci, linux-kernel
On 2026-07-05 03:54, Leon Romanovsky wrote:
> From: Leon Romanovsky <leonro@nvidia.com>
>
> Nvidia Vera Rubin platforms support PCI peer‑to‑peer transactions.
> Add them to the P2P whitelist to enable this functionality.
>
> Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
Looks fine to me:
Acked-by: Logan Gunthorpe <logang@deltatee.com>
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: [PATCH] PCI/P2PDMA: Add Nvidia Vera Rubin device to P2P whitelist
2026-07-05 9:54 [PATCH] PCI/P2PDMA: Add Nvidia Vera Rubin device to P2P whitelist Leon Romanovsky
2026-07-06 15:35 ` Logan Gunthorpe
@ 2026-07-22 5:32 ` Leon Romanovsky
2026-07-22 17:43 ` Bjorn Helgaas
2 siblings, 0 replies; 4+ messages in thread
From: Leon Romanovsky @ 2026-07-22 5:32 UTC (permalink / raw)
To: Bjorn Helgaas, Logan Gunthorpe; +Cc: linux-pci, linux-kernel
On Sun, Jul 05, 2026 at 12:54:07PM +0300, Leon Romanovsky wrote:
> From: Leon Romanovsky <leonro@nvidia.com>
>
> Nvidia Vera Rubin platforms support PCI peer‑to‑peer transactions.
> Add them to the P2P whitelist to enable this functionality.
>
> Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
> ---
> drivers/pci/p2pdma.c | 5 +++++
> 1 file changed, 5 insertions(+)
Bjorn,
Is anything else missing? Can you please merge it?
Thanks
>
> diff --git a/drivers/pci/p2pdma.c b/drivers/pci/p2pdma.c
> index b2d5266f8653..9334eb314663 100644
> --- a/drivers/pci/p2pdma.c
> +++ b/drivers/pci/p2pdma.c
> @@ -564,6 +564,11 @@ static const struct pci_p2pdma_whitelist_entry {
> {PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_QAT_6XXX, 0},
> /* Google SoCs. */
> {PCI_VENDOR_ID_GOOGLE, PCI_ANY_ID, 0},
> + /* Nvidia CPUs */
> + {PCI_VENDOR_ID_NVIDIA, 0x2f95, 0},
> + {PCI_VENDOR_ID_NVIDIA, 0x2f96, 0},
> + {PCI_VENDOR_ID_NVIDIA, 0x2f97, 0},
> + {PCI_VENDOR_ID_NVIDIA, 0x2f98, 0},
> {}
> };
>
>
> ---
> base-commit: dc59e4fea9d83f03bad6bddf3fa2e52491777482
> change-id: 20260615-p2p-vr-514bd262a839
>
> Best regards,
> --
> Leon Romanovsky <leonro@nvidia.com>
>
>
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: [PATCH] PCI/P2PDMA: Add Nvidia Vera Rubin device to P2P whitelist
2026-07-05 9:54 [PATCH] PCI/P2PDMA: Add Nvidia Vera Rubin device to P2P whitelist Leon Romanovsky
2026-07-06 15:35 ` Logan Gunthorpe
2026-07-22 5:32 ` Leon Romanovsky
@ 2026-07-22 17:43 ` Bjorn Helgaas
2 siblings, 0 replies; 4+ messages in thread
From: Bjorn Helgaas @ 2026-07-22 17:43 UTC (permalink / raw)
To: Leon Romanovsky; +Cc: Bjorn Helgaas, Logan Gunthorpe, linux-pci, linux-kernel
On Sun, Jul 05, 2026 at 12:54:07PM +0300, Leon Romanovsky wrote:
> From: Leon Romanovsky <leonro@nvidia.com>
>
> Nvidia Vera Rubin platforms support PCI peer‑to‑peer transactions.
> Add them to the P2P whitelist to enable this functionality.
>
> Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
Applied to pci/p2pdma for v7.3, thanks for the reminder!
> ---
> drivers/pci/p2pdma.c | 5 +++++
> 1 file changed, 5 insertions(+)
>
> diff --git a/drivers/pci/p2pdma.c b/drivers/pci/p2pdma.c
> index b2d5266f8653..9334eb314663 100644
> --- a/drivers/pci/p2pdma.c
> +++ b/drivers/pci/p2pdma.c
> @@ -564,6 +564,11 @@ static const struct pci_p2pdma_whitelist_entry {
> {PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_QAT_6XXX, 0},
> /* Google SoCs. */
> {PCI_VENDOR_ID_GOOGLE, PCI_ANY_ID, 0},
> + /* Nvidia CPUs */
> + {PCI_VENDOR_ID_NVIDIA, 0x2f95, 0},
> + {PCI_VENDOR_ID_NVIDIA, 0x2f96, 0},
> + {PCI_VENDOR_ID_NVIDIA, 0x2f97, 0},
> + {PCI_VENDOR_ID_NVIDIA, 0x2f98, 0},
> {}
> };
>
>
> ---
> base-commit: dc59e4fea9d83f03bad6bddf3fa2e52491777482
> change-id: 20260615-p2p-vr-514bd262a839
>
> Best regards,
> --
> Leon Romanovsky <leonro@nvidia.com>
>
^ permalink raw reply [flat|nested] 4+ messages in thread
end of thread, other threads:[~2026-07-22 17:43 UTC | newest]
Thread overview: 4+ messages (download: mbox.gz / follow: Atom feed)
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2026-07-05 9:54 [PATCH] PCI/P2PDMA: Add Nvidia Vera Rubin device to P2P whitelist Leon Romanovsky
2026-07-06 15:35 ` Logan Gunthorpe
2026-07-22 5:32 ` Leon Romanovsky
2026-07-22 17:43 ` Bjorn Helgaas
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