From: Roger Pau Monne <roger.pau@citrix.com>
Date: Wed, 31 Aug 2016 10:43:55 +0000 (+0200)
Subject: xen/x86: add all PCI devices to PVHv2 Dom0
X-Git-Url: http://xenbits.xensource.com/gitweb?a=commitdiff_plain;h=b78e3edf440423e9be94535af11d46aab8acc34e;p=people%2Froyger%2Fxen.git

xen/x86: add all PCI devices to PVHv2 Dom0

Signed-off-by: Roger Pau Monné <roger.pau@citrix.com>
---
Cc: Jan Beulich <jbeulich@suse.com>
Cc: Andrew Cooper <andrew.cooper3@citrix.com>
---

diff --git a/xen/arch/x86/domain_build.c b/xen/arch/x86/domain_build.c
index d7b54d991b..d57eec2eec 100644
--- a/xen/arch/x86/domain_build.c
+++ b/xen/arch/x86/domain_build.c
@@ -2531,6 +2531,25 @@ static int __init hvm_setup_acpi(struct domain *d, paddr_t start_info)
     return 0;
 }
 
+static int __init hvm_setup_pci(struct domain *d)
+{
+    struct pci_dev *pdev;
+    int rc;
+
+    printk("** Adding PCI devices **\n");
+
+    pcidevs_lock();
+    list_for_each_entry( pdev, &d->arch.pdev_list, domain_list )
+    {
+        rc = hwdom_add_device(pdev);
+        if ( rc )
+            return rc;
+    }
+    pcidevs_unlock();
+
+    return 0;
+}
+
 static int __init construct_dom0_hvm(struct domain *d, const module_t *image,
                                      unsigned long image_headroom,
                                      module_t *initrd,
@@ -2577,6 +2596,13 @@ static int __init construct_dom0_hvm(struct domain *d, const module_t *image,
         return rc;
     }
 
+    rc = hvm_setup_pci(d);
+    if ( rc )
+    {
+        printk("Failed to add PCI devices: %d\n", rc);
+        return rc;
+    }
+
     clear_bit(_VPF_down, &d->vcpu[0]->pause_flags);
 
     return 0;