x3130/downstream: support aer.

add aer support.
Signed-off-by: NIsaku Yamahata <yamahata@valinux.co.jp>
Signed-off-by: NMichael S. Tsirkin <mst@redhat.com>

hw/xio3130_downstream.c

@@ -42,7 +42,7 @@ static void xio3130_downstream_write_config(PCIDevice *d, uint32_t address,
     pcie_cap_flr_write_config(d, address, val, len);
     pcie_cap_slot_write_config(d, address, val, len);
     msi_write_config(d, address, val, len);
-    /* TODO: AER */
+    pcie_aer_write_config(d, address, val, len);
 }
 
 static void xio3130_downstream_reset(DeviceState *qdev)
@@ -61,6 +61,7 @@ static int xio3130_downstream_initfn(PCIDevice *d)
     PCIEPort *p = DO_UPCAST(PCIEPort, br, br);
     PCIESlot *s = DO_UPCAST(PCIESlot, port, p);
     int rc;
+    int tmp;
 
     rc = pci_bridge_initfn(d);
     if (rc < 0) {
@@ -76,17 +77,17 @@ static int xio3130_downstream_initfn(PCIDevice *d)
                   XIO3130_MSI_SUPPORTED_FLAGS & PCI_MSI_FLAGS_64BIT,
                   XIO3130_MSI_SUPPORTED_FLAGS & PCI_MSI_FLAGS_MASKBIT);
     if (rc < 0) {
-        return rc;
+        goto err_bridge;
     }
     rc = pci_bridge_ssvid_init(d, XIO3130_SSVID_OFFSET,
                                XIO3130_SSVID_SVID, XIO3130_SSVID_SSID);
     if (rc < 0) {
-        return rc;
+        goto err_bridge;
     }
     rc = pcie_cap_init(d, XIO3130_EXP_OFFSET, PCI_EXP_TYPE_DOWNSTREAM,
                        p->port);
     if (rc < 0) {
-        return rc;
+        goto err_msi;
     }
     pcie_cap_flr_init(d);       /* TODO: implement FLR */
     pcie_cap_deverr_init(d);
@@ -94,19 +95,38 @@ static int xio3130_downstream_initfn(PCIDevice *d)
     pcie_chassis_create(s->chassis);
     rc = pcie_chassis_add_slot(s);
     if (rc < 0) {
-        return rc;
+        goto err_pcie_cap;
     }
     pcie_cap_ari_init(d);
-    /* TODO: AER */
+    rc = pcie_aer_init(d, XIO3130_AER_OFFSET);
+    if (rc < 0) {
+        goto err;
+    }
 
     return 0;
+
+err:
+    pcie_chassis_del_slot(s);
+err_pcie_cap:
+    pcie_cap_exit(d);
+err_msi:
+    msi_uninit(d);
+err_bridge:
+    tmp = pci_bridge_exitfn(d);
+    assert(!tmp);
+    return rc;
 }
 
 static int xio3130_downstream_exitfn(PCIDevice *d)
 {
-    /* TODO: AER */
-    msi_uninit(d);
+    PCIBridge* br = DO_UPCAST(PCIBridge, dev, d);
+    PCIEPort *p = DO_UPCAST(PCIEPort, br, br);
+    PCIESlot *s = DO_UPCAST(PCIESlot, port, p);
+
+    pcie_aer_exit(d);
+    pcie_chassis_del_slot(s);
     pcie_cap_exit(d);
+    msi_uninit(d);
     return pci_bridge_exitfn(d);
 }
 
@@ -144,7 +164,8 @@ static const VMStateDescription vmstate_xio3130_downstream = {
     .post_load = pcie_cap_slot_post_load,
     .fields = (VMStateField[]) {
         VMSTATE_PCIE_DEVICE(port.br.dev, PCIESlot),
-        /* TODO: AER */
+        VMSTATE_STRUCT(port.br.dev.exp.aer_log, PCIESlot, 0,
+                       vmstate_pcie_aer_log, PCIEAERLog),
         VMSTATE_END_OF_LIST()
     }
 };
@@ -166,7 +187,9 @@ static PCIDeviceInfo xio3130_downstream_info = {
         DEFINE_PROP_UINT8("port", PCIESlot, port.port, 0),
         DEFINE_PROP_UINT8("chassis", PCIESlot, chassis, 0),
         DEFINE_PROP_UINT16("slot", PCIESlot, slot, 0),
-        /* TODO: AER */
+        DEFINE_PROP_UINT16("aer_log_max", PCIESlot,
+                           port.br.dev.exp.aer_log.log_max,
+                           PCIE_AER_LOG_MAX_DEFAULT),
         DEFINE_PROP_END_OF_LIST(),
     }
 };