update ACS override patch for 4.15

based on https://aur.archlinux.org/linux-vfio.git

diff --git a/patches/kernel/0003-pci-Enable-overrides-for-missing-ACS-capabilities-4..patch b/patches/kernel/0003-pci-Enable-overrides-for-missing-ACS-capabilities-4..patch
index a6b43915703f36734d2b8797325cce2a371ec6f6..1806736e90d3b4221313c233d20bc2b80808a051 100644 (file)
--- a/patches/kernel/0003-pci-Enable-overrides-for-missing-ACS-capabilities-4..patch
+++ b/patches/kernel/0003-pci-Enable-overrides-for-missing-ACS-capabilities-4..patch
@@ -1,7 +1,7 @@
 From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
 From: Mark Weiman <mark.weiman@markzz.com>
-Date: Sat, 29 Jul 2017 09:15:32 -0400
-Subject: [PATCH] pci: Enable overrides for missing ACS capabilities (4.12+)
+Date: Wed, 7 Feb 2018 16:04:03 -0500
+Subject: [PATCH] pci: Enable overrides for missing ACS capabilities (4.15)
 MIME-Version: 1.0
 Content-Type: text/plain; charset=UTF-8
 Content-Transfer-Encoding: 8bit
@@ -50,14 +50,14 @@ your customers the hassle of this boot option.
 Signed-off-by: Fabian Grünbichler <f.gruenbichler@proxmox.com>
 ---
  Documentation/admin-guide/kernel-parameters.txt |   9 +++
- drivers/pci/quirks.c                            | 102 ++++++++++++++++++++++++
- 2 files changed, 111 insertions(+)
+ drivers/pci/quirks.c                            | 101 ++++++++++++++++++++++++
+ 2 files changed, 110 insertions(+)
 
 diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
-index 1bbfe73fcd6c..073e3023b515 100644
+index 27ca3fbc47aa..5e3caff3fb49 100644
 --- a/Documentation/admin-guide/kernel-parameters.txt
 +++ b/Documentation/admin-guide/kernel-parameters.txt
-@@ -2935,6 +2935,15 @@
+@@ -2968,6 +2968,15 @@
                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.
@@ -65,19 +65,19 @@ index 1bbfe73fcd6c..073e3023b515 100644
 +                                      [PCIE] Override missing PCIe ACS support for:
 +                              downstream
 +                                      All downstream ports - full ACS capabilities
-+                              multfunction
-+                                      All multifunction devices - multifunction ACS subset
++                              multifunction
++                                      Add multifunction devices - multifunction ACS subset
 +                              id:nnnn:nnnn
-+                                      Specfic device - full ACS capabilities
++                                      Specific device - full ACS capabilities
 +                                      Specified as vid:did (vendor/device ID) in hex
                noioapicquirk   [APIC] Disable all boot interrupt quirks.
                                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 99eec22d99b7..7576c2b0c913 100644
+index db82bef43b99..d338fdb7c402 100644
 --- a/drivers/pci/quirks.c
 +++ b/drivers/pci/quirks.c
-@@ -3687,6 +3687,107 @@ static int __init pci_apply_final_quirks(void)
+@@ -3695,6 +3695,106 @@ static int __init pci_apply_final_quirks(void)
  
  fs_initcall_sync(pci_apply_final_quirks);
  
@@ -121,7 +121,6 @@ index 99eec22d99b7..7576c2b0c913 100644
 +                              goto next;
 +                      }
 +                      acs_on_ids[max_acs_id].vendor = val;
-+
 +                      p += strcspn(p, ":");
 +                      if (*p != ':') {
 +                              pr_warn("PCIe ACS invalid ID\n");
@@ -166,17 +165,17 @@ index 99eec22d99b7..7576c2b0c913 100644
 +                              return 1;
 +
 +      switch (pci_pcie_type(dev)) {
-+      case PCI_EXP_TYPE_DOWNSTREAM:
-+      case PCI_EXP_TYPE_ROOT_PORT:
-+              if (acs_on_downstream)
-+                      return 1;
-+              break;
-+      case PCI_EXP_TYPE_ENDPOINT:
-+      case PCI_EXP_TYPE_UPSTREAM:
-+      case PCI_EXP_TYPE_LEG_END:
-+      case PCI_EXP_TYPE_RC_END:
-+              if (acs_on_multifunction && dev->multifunction)
-+                      return 1;
++              case PCI_EXP_TYPE_DOWNSTREAM:
++              case PCI_EXP_TYPE_ROOT_PORT:
++                      if (acs_on_downstream)
++                              return 1;
++                      break;
++              case PCI_EXP_TYPE_ENDPOINT:
++              case PCI_EXP_TYPE_UPSTREAM:
++              case PCI_EXP_TYPE_LEG_END:
++              case PCI_EXP_TYPE_RC_END:
++                      if (acs_on_multifunction && dev->multifunction)
++                              return 1;
 +      }
 +
 +      return -ENOTTY;
@@ -185,10 +184,10 @@ index 99eec22d99b7..7576c2b0c913 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
-@@ -4529,6 +4630,7 @@ static const struct pci_dev_acs_enabled {
-       { 0x10df, 0x720, pci_quirk_mf_endpoint_acs }, /* Emulex Skyhawk-R */
-       /* Cavium ThunderX */
+@@ -4527,6 +4627,7 @@ static const struct pci_dev_acs_enabled {
        { PCI_VENDOR_ID_CAVIUM, PCI_ANY_ID, pci_quirk_cavium_acs },
+       /* APM X-Gene */
+       { PCI_VENDOR_ID_AMCC, 0xE004, pci_quirk_xgene_acs },
 +      { PCI_ANY_ID, PCI_ANY_ID, pcie_acs_overrides },
        { 0 }
  };