From: Leon Romanovsky <leon@kernel.org>
To: Bjorn Helgaas <bhelgaas@google.com>,
Logan Gunthorpe <logang@deltatee.com>
Cc: linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: [PATCH] PCI/P2PDMA: Add Nvidia Vera Rubin device to P2P whitelist
Date: Sun, 5 Jul 2026 12:54:07 +0300 [thread overview]
Message-ID: <20260705-p2p-vr-v1-1-3cd45cab3fb4@nvidia.com> (raw)
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>
next reply other threads:[~2026-07-05 9:54 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-07-05 9:54 Leon Romanovsky [this message]
2026-07-05 9:56 ` [PATCH] PCI/P2PDMA: Add Nvidia Vera Rubin device to P2P whitelist sashiko-bot
2026-07-06 15:35 ` Logan Gunthorpe
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