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PCI: Add ACS quirk for Wangxun NICs

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[ Upstream commit a2b9b123ccac913e9f9b80337d687a2fe786a634 ]

Wangxun has verified there is no peer-to-peer between functions for the
below selection of SFxxx, RP1000 and RP2000 NICS.  They may be
multi-function devices, but the hardware does not advertise ACS capability.

Add an ACS quirk for these devices so the functions can be in independent
IOMMU groups.

Link: https://lore.kernel.org/r/20230207102419.44326-1-mengyuanlou@net-swift.com
Signed-off-by: Mengyuan Lou <mengyuanlou@net-swift.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Mengyuan Lou
2023-02-07 18:24:19 +08:00
committed by Greg Kroah-Hartman
parent faa050d2ff
commit 01923e3196
2 changed files with 24 additions and 0 deletions
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2
include/linux/pci_ids.h
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@@ -3033,6 +3033,8 @@
#define PCI_DEVICE_ID_INTEL_VMD_9A0B 0x9a0b
#define PCI_DEVICE_ID_INTEL_S21152BB 0xb152
#define PCI_VENDOR_ID_WANGXUN 0x8088
#define PCI_VENDOR_ID_SCALEMP 0x8686
#define PCI_DEVICE_ID_SCALEMP_VSMP_CTL 0x1010