From 2f7c68cb55ecb7331f2381deb497c27155f32faf Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Wed, 03 Jan 2024 09:43:39 +0000
Subject: [PATCH] update kernel to 5.10.198
---
kernel/drivers/pci/quirks.c | 25 +++++++++++++++++++++++++
1 files changed, 25 insertions(+), 0 deletions(-)
diff --git a/kernel/drivers/pci/quirks.c b/kernel/drivers/pci/quirks.c
index 4399912..3d2ccf0 100644
--- a/kernel/drivers/pci/quirks.c
+++ b/kernel/drivers/pci/quirks.c
@@ -4130,6 +4130,8 @@
/* https://bugzilla.kernel.org/show_bug.cgi?id=42679#c49 */
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_MARVELL_EXT, 0x9230,
quirk_dma_func1_alias);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_MARVELL_EXT, 0x9235,
+ quirk_dma_func1_alias);
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_TTI, 0x0642,
quirk_dma_func1_alias);
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_TTI, 0x0645,
@@ -4804,6 +4806,26 @@
PCI_ACS_SV | PCI_ACS_RR | PCI_ACS_CR | PCI_ACS_UF);
}
+/*
+ * Wangxun 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).
+ */
+static int pci_quirk_wangxun_nic_acs(struct pci_dev *dev, u16 acs_flags)
+{
+ switch (dev->device) {
+ case 0x0100 ... 0x010F:
+ case 0x1001:
+ case 0x2001:
+ return pci_acs_ctrl_enabled(acs_flags,
+ PCI_ACS_SV | PCI_ACS_RR | PCI_ACS_CR | PCI_ACS_UF);
+ }
+
+ return false;
+}
+
static const struct pci_dev_acs_enabled {
u16 vendor;
u16 device;
@@ -4949,6 +4971,8 @@
{ PCI_VENDOR_ID_NXP, 0x8d9b, pci_quirk_nxp_rp_acs },
/* Zhaoxin Root/Downstream Ports */
{ PCI_VENDOR_ID_ZHAOXIN, PCI_ANY_ID, pci_quirk_zhaoxin_pcie_ports_acs },
+ /* Wangxun nics */
+ { PCI_VENDOR_ID_WANGXUN, PCI_ANY_ID, pci_quirk_wangxun_nic_acs },
{ 0 }
};
@@ -5309,6 +5333,7 @@
DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_AMD, 0x1487, quirk_no_flr);
DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_AMD, 0x148c, quirk_no_flr);
DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_AMD, 0x149c, quirk_no_flr);
+DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_AMD, 0x7901, quirk_no_flr);
DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_INTEL, 0x1502, quirk_no_flr);
DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_INTEL, 0x1503, quirk_no_flr);
--
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