Wangxun FF5XXX NICs are same as selection of SFxxx, RP1000 and
RP2000 NICS. They may be multi-function devices, but the hardware
does not advertise ACS capability.
Add this ACS quirk for FF5XXX NICs in pci_quirk_wangxun_nic_acs
so the functions can be in independent IOMMU groups.
Signed-off-by: Mengyuan Lou <mengyuanlou@xxxxxxxxxxxxx>
---
drivers/pci/quirks.c | 10 ++++++----
1 file changed, 6 insertions(+), 4 deletions(-)
diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
index dccb60c1d9cc..d1973a8fd70c 100644
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -4996,18 +4996,20 @@ static int pci_quirk_brcm_acs(struct pci_dev *dev, u16 acs_flags)
}
/*
- * Wangxun 10G/1G NICs have no ACS capability, and on multi-function
+ * Wangxun 40G/25G/10G/1G NICs have no ACS capability, and on multi-function
* devices, peer-to-peer transactions are not be used between the functions.
* So add an ACS quirk for below devices to isolate functions.
* SFxxx 1G NICs(em).
* RP1000/RP2000 10G NICs(sp).
+ * FF5xxx 40G/25G/10G NICs(aml).
*/
static int pci_quirk_wangxun_nic_acs(struct pci_dev *dev, u16 acs_flags)
{
switch (dev->device) {
- case 0x0100 ... 0x010F:
- case 0x1001:
- case 0x2001:
+ case 0x0100 ... 0x010F: /* EM */
+ case 0x1001: case 0x2001: /* SP */
+ case 0x5010: case 0x5025: case 0x5040: /* AML */
+ case 0x5110: case 0x5125: case 0x5140: /* AML */
return pci_acs_ctrl_enabled(acs_flags,
PCI_ACS_SV | PCI_ACS_RR | PCI_ACS_CR | PCI_ACS_UF);
}
--
2.43.2
