]> git.proxmox.com Git - pve-kernel.git/blobdiff - patches/kernel/0003-pci-Enable-overrides-for-missing-ACS-capabilities-4..patch
import Ubuntu-5.15.0-40.43 and update patches
[pve-kernel.git] / patches / kernel / 0003-pci-Enable-overrides-for-missing-ACS-capabilities-4..patch
index 483ac38384c5b2596c244384f8e5fb0314fc99d1..128b1aac4bd6573a4cb211463783b59f3ffe4008 100644 (file)
@@ -48,21 +48,22 @@ capability.  Please contact me to have your devices added and save
 your customers the hassle of this boot option.
 
 Signed-off-by: Fabian Grünbichler <f.gruenbichler@proxmox.com>
+Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
 ---
Documentation/admin-guide/kernel-parameters.txt |   9 +++
- drivers/pci/quirks.c                            | 101 ++++++++++++++++++++++++
- 2 files changed, 110 insertions(+)
.../admin-guide/kernel-parameters.txt         |   9 ++
+ drivers/pci/quirks.c                          | 102 ++++++++++++++++++
+ 2 files changed, 111 insertions(+)
 
 diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
-index c14cccce6272..b3aa6fcfe035 100644
+index c73168dbb050..754fa5793a4d 100644
 --- a/Documentation/admin-guide/kernel-parameters.txt
 +++ b/Documentation/admin-guide/kernel-parameters.txt
-@@ -2971,6 +2971,15 @@
-               nomsi           [MSI] If the PCI_MSI kernel config parameter is
-                               enabled, this kernel boot option can be used to
-                               disable the use of MSI interrupts system-wide.
+@@ -3943,6 +3943,15 @@
+                               Also, it enforces the PCI Local Bus spec
+                               rule that those bits should be 0 in system reset
+                               events (useful for kexec/kdump cases).
 +              pci_acs_override =
-+                                      [PCIE] Override missing PCIe ACS support for:
++                              [PCIE] Override missing PCIe ACS support for:
 +                              downstream
 +                                      All downstream ports - full ACS capabilities
 +                              multifunction
@@ -74,11 +75,11 @@ index c14cccce6272..b3aa6fcfe035 100644
                                Safety option to keep boot IRQs enabled. This
                                should never be necessary.
 diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
-index 26b3ed731208..d66c874a7a6e 100644
+index 1c566b0cbee9..d49c54c579bb 100644
 --- a/drivers/pci/quirks.c
 +++ b/drivers/pci/quirks.c
-@@ -3702,6 +3702,106 @@ static int __init pci_apply_final_quirks(void)
+@@ -193,6 +193,106 @@ static int __init pci_apply_final_quirks(void)
+ }
  fs_initcall_sync(pci_apply_final_quirks);
  
 +static bool acs_on_downstream;
@@ -182,13 +183,14 @@ index 26b3ed731208..d66c874a7a6e 100644
 +}
 +
  /*
-  * Following are device-specific reset methods which can be used to
-  * reset a single function if other methods (e.g. FLR, PM D0->D3) are
-@@ -4538,6 +4638,7 @@ static const struct pci_dev_acs_enabled {
-       { PCI_VENDOR_ID_CAVIUM, PCI_ANY_ID, pci_quirk_cavium_acs },
+  * Decoding should be disabled for a PCI device during BAR sizing to avoid
+  * conflict. But doing so may cause problems on host bridge and perhaps other
+@@ -4927,6 +5027,8 @@ static const struct pci_dev_acs_enabled {
+       { PCI_VENDOR_ID_CAVIUM, 0xA060, pci_quirk_mf_endpoint_acs },
        /* APM X-Gene */
        { PCI_VENDOR_ID_AMCC, 0xE004, pci_quirk_xgene_acs },
++      /* Enable overrides for missing ACS capabilities */
 +      { PCI_ANY_ID, PCI_ANY_ID, pcie_acs_overrides },
-       { 0 }
- };
+       /* Ampere Computing */
+       { PCI_VENDOR_ID_AMPERE, 0xE005, pci_quirk_xgene_acs },
+       { PCI_VENDOR_ID_AMPERE, 0xE006, pci_quirk_xgene_acs },