linux-kernel - [PATCH 2/3] PCI: Add ACS quirk for Zhaoxin's multi-function devices

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20200327091148.5190-3-RaymondPang-oc@zhaoxin.com>
Date:   Fri, 27 Mar 2020 17:11:47 +0800
From:   Raymond Pang <RaymondPang-oc@...oxin.com>
To:     <bhelgaas@...gle.com>, <linux-pci@...r.kernel.org>
CC:     <TonyWWang-oc@...oxin.com>, <linux-kernel@...r.kernel.org>
Subject: [PATCH 2/3] PCI: Add ACS quirk for Zhaoxin's multi-function devices

Some Zhaoxin's endpoints are implemented as multi-function devices
without ACS capability. They actually don't support peer-to-peer
transactions. So add ACS quirk to declare DMA isolation.

Signed-off-by: Raymond Pang <RaymondPang-oc@...oxin.com>
---
 drivers/pci/quirks.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
index 3e0ca273f903..3f06496a3d4c 100644
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -4767,6 +4767,10 @@ static const struct pci_dev_acs_enabled {
 	{ PCI_VENDOR_ID_BROADCOM, 0xD714, pci_quirk_brcm_acs },
 	/* Amazon Annapurna Labs */
 	{ PCI_VENDOR_ID_AMAZON_ANNAPURNA_LABS, 0x0031, pci_quirk_al_acs },
+	/* Zhaoxin multi-function devices */
+	{ PCI_VENDOR_ID_ZHAOXIN, 0x3038, pci_quirk_mf_endpoint_acs },
+	{ PCI_VENDOR_ID_ZHAOXIN, 0x3104, pci_quirk_mf_endpoint_acs },
+	{ PCI_VENDOR_ID_ZHAOXIN, 0x9083, pci_quirk_mf_endpoint_acs },
 	{ 0 }
 };
 
-- 
2.26.0