[PATCH 6/9] Add functions for adding usb controllers to addrs

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---
 src/conf/domain_addr.c   | 88 ++++++++++++++++++++++++++++++++++++++++++++++++
 src/conf/domain_addr.h   |  4 +++
 src/libvirt_private.syms |  1 +
 3 files changed, 93 insertions(+)

diff --git a/src/conf/domain_addr.c b/src/conf/domain_addr.c
index 3962357..024d47b 100644
--- a/src/conf/domain_addr.c
+++ b/src/conf/domain_addr.c
@@ -1239,3 +1239,91 @@ void virDomainUSBAddressSetFree(virDomainUSBAddressSetPtr addrs)
     VIR_FREE(addrs->buses);
     VIR_FREE(addrs);
 }
+
+
+static int virDomainUSBAddressSetAddController(virDomainUSBAddressSetPtr addrs,
+                                               virDomainControllerDefPtr cont)
+{
+    virDomainUSBAddressHubPtr hub = NULL;
+    size_t ports = 0;
+    int ret = -1;
+    int model = cont->model;
+
+    VIR_DEBUG("addrs=%p controller type=%d model=%d",
+              addrs, cont->type, cont->model);
+
+    if (VIR_ALLOC(hub) < 0)
+        goto cleanup;
+
+    if (model == -1)
+        model = VIR_DOMAIN_CONTROLLER_MODEL_USB_PIIX3_UHCI;
+
+    switch ((virDomainControllerModelUSB)model) {
+    case VIR_DOMAIN_CONTROLLER_MODEL_USB_PIIX3_UHCI:
+    case VIR_DOMAIN_CONTROLLER_MODEL_USB_PIIX4_UHCI:
+    case VIR_DOMAIN_CONTROLLER_MODEL_USB_VT82C686B_UHCI:
+        ports = 2;
+        break;
+
+    case VIR_DOMAIN_CONTROLLER_MODEL_USB_EHCI:
+    case VIR_DOMAIN_CONTROLLER_MODEL_USB_ICH9_EHCI1:
+        ports = 6;
+        break;
+
+    case VIR_DOMAIN_CONTROLLER_MODEL_USB_ICH9_UHCI1:
+    case VIR_DOMAIN_CONTROLLER_MODEL_USB_ICH9_UHCI2:
+    case VIR_DOMAIN_CONTROLLER_MODEL_USB_ICH9_UHCI3:
+        return 0;
+        /* FIXME * check the companions? */
+        ports = 2;
+        break;
+
+    case VIR_DOMAIN_CONTROLLER_MODEL_USB_PCI_OHCI:
+        ports = 3;
+        break;
+
+    case VIR_DOMAIN_CONTROLLER_MODEL_USB_NEC_XHCI:
+        ports = 15;
+
+    case VIR_DOMAIN_CONTROLLER_MODEL_USB_NONE:
+    case VIR_DOMAIN_CONTROLLER_MODEL_USB_LAST:
+        ret = 0;
+        goto cleanup;
+    }
+
+    if (cont->idx >= addrs->nbuses) {
+        if (VIR_EXPAND_N(addrs->buses, addrs->nbuses, cont->idx - addrs->nbuses + 1) < 0)
+            goto cleanup;
+    }
+
+    if (VIR_ALLOC_N(hub->ports, ports + 1) < 0)
+        goto cleanup;
+    hub->nports = ports + 1;
+
+    VIR_DEBUG("Added %zu ports on hub %p", hub->nports - 1, hub);
+
+    /* FIXME: is there a bus already? */
+    addrs->buses[cont->idx] = hub;
+    hub = NULL;
+
+    ret = 0;
+ cleanup:
+    VIR_FREE(hub);
+    return ret;
+}
+
+
+int virDomainUSBAddressSetAddControllers(virDomainUSBAddressSetPtr addrs,
+                                         virDomainDefPtr def)
+{
+    size_t i;
+
+    for (i = 0; i < def->ncontrollers; i++) {
+        virDomainControllerDefPtr cont = def->controllers[i];
+        if (cont->type == VIR_DOMAIN_CONTROLLER_TYPE_USB) {
+            if (virDomainUSBAddressSetAddController(addrs, cont) < 0)
+                return -1;
+        }
+    }
+    return 0;
+}
diff --git a/src/conf/domain_addr.h b/src/conf/domain_addr.h
index dcf86d4..64d35e9 100644
--- a/src/conf/domain_addr.h
+++ b/src/conf/domain_addr.h
@@ -263,6 +263,10 @@ typedef struct _virDomainUSBAddressSet virDomainUSBAddressSet;
 typedef virDomainUSBAddressSet *virDomainUSBAddressSetPtr;
 
 virDomainUSBAddressSetPtr virDomainUSBAddressSetCreate(void);
+
+int virDomainUSBAddressSetAddControllers(virDomainUSBAddressSetPtr addrs,
+                                         virDomainDefPtr def)
+    ATTRIBUTE_NONNULL(1) ATTRIBUTE_NONNULL(2);
 void virDomainUSBAddressSetFree(virDomainUSBAddressSetPtr addrs);
 
 #endif /* __DOMAIN_ADDR_H__ */
diff --git a/src/libvirt_private.syms b/src/libvirt_private.syms
index a628d00..7db4839 100644
--- a/src/libvirt_private.syms
+++ b/src/libvirt_private.syms
@@ -108,6 +108,7 @@ virDomainPCIAddressSlotInUse;
 virDomainPCIAddressValidate;
 virDomainUSBAddressGetPortBuf;
 virDomainUSBAddressGetPortString;
+virDomainUSBAddressSetAddControllers;
 virDomainUSBAddressSetCreate;
 virDomainUSBAddressSetFree;
 virDomainVirtioSerialAddrAssign;
-- 
2.4.6

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