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| author | George Cherian <george.cherian@marvell.com> | 2021-08-10 17:54:25 +0530 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-09-22 12:26:43 +0200 |
| commit | cf4168c4e0ec708ede38259bb8bf195f4a6b185a (patch) | |
| tree | 59e35204a62b4917acb46063cc37ae081cbe79a0 | |
| parent | b3435cd96848da83708b417d68e37453b9c6915a (diff) | |
| download | linux-stable-cf4168c4e0ec708ede38259bb8bf195f4a6b185a.tar.gz linux-stable-cf4168c4e0ec708ede38259bb8bf195f4a6b185a.tar.bz2 linux-stable-cf4168c4e0ec708ede38259bb8bf195f4a6b185a.zip | |
PCI: Add ACS quirks for Cavium multi-function devices
[ Upstream commit 32837d8a8f63eb95dcb9cd005524a27f06478832 ]
Some Cavium endpoints are implemented as multi-function devices without ACS
capability, but they actually don't support peer-to-peer transactions.
Add ACS quirks to declare DMA isolation for the following devices:
- BGX device found on Octeon-TX (8xxx)
- CGX device found on Octeon-TX2 (9xxx)
- RPM device found on Octeon-TX3 (10xxx)
Link: https://lore.kernel.org/r/20210810122425.1115156-1-george.cherian@marvell.com
Signed-off-by: George Cherian <george.cherian@marvell.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
| -rw-r--r-- | drivers/pci/quirks.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c index e230a7b5e70a..686298c0f6cd 100644 --- a/drivers/pci/quirks.c +++ b/drivers/pci/quirks.c @@ -4922,6 +4922,10 @@ static const struct pci_dev_acs_enabled { { 0x10df, 0x720, pci_quirk_mf_endpoint_acs }, /* Emulex Skyhawk-R */ /* Cavium ThunderX */ { PCI_VENDOR_ID_CAVIUM, PCI_ANY_ID, pci_quirk_cavium_acs }, + /* Cavium multi-function devices */ + { PCI_VENDOR_ID_CAVIUM, 0xA026, pci_quirk_mf_endpoint_acs }, + { PCI_VENDOR_ID_CAVIUM, 0xA059, pci_quirk_mf_endpoint_acs }, + { PCI_VENDOR_ID_CAVIUM, 0xA060, pci_quirk_mf_endpoint_acs }, /* APM X-Gene */ { PCI_VENDOR_ID_AMCC, 0xE004, pci_quirk_xgene_acs }, /* Ampere Computing */ |