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[Qemu-devel] [PATCH v3 for-2.3 18/24] hw/pci: implement iteration over m


From: Marcel Apfelbaum
Subject: [Qemu-devel] [PATCH v3 for-2.3 18/24] hw/pci: implement iteration over multiple host bridges
Date: Thu, 5 Mar 2015 16:55:16 +0200

From: Marcel Apfelbaum <address@hidden>

Signed-off-by: Marcel Apfelbaum <address@hidden>
---
 hw/pci/pci.c              | 8 ++++----
 include/hw/pci/pci_host.h | 4 ++++
 2 files changed, 8 insertions(+), 4 deletions(-)

diff --git a/hw/pci/pci.c b/hw/pci/pci.c
index 53598bd..f0cf752 100644
--- a/hw/pci/pci.c
+++ b/hw/pci/pci.c
@@ -69,7 +69,7 @@ static void pci_del_option_rom(PCIDevice *pdev);
 static uint16_t pci_default_sub_vendor_id = PCI_SUBVENDOR_ID_REDHAT_QUMRANET;
 static uint16_t pci_default_sub_device_id = PCI_SUBDEVICE_ID_QEMU;
 
-static QLIST_HEAD(, PCIHostState) pci_host_bridges;
+struct PCIHostQ pci_host_bridges = QLIST_HEAD_INITIALIZER(pci_host_bridges);
 
 static int pci_bar(PCIDevice *d, int reg)
 {
@@ -190,7 +190,7 @@ PCIBus *pci_find_primary_bus(void)
     PCIBus *primary_bus = NULL;
     PCIHostState *host;
 
-    QLIST_FOREACH(host, &pci_host_bridges, next) {
+    HOST_BRIDGE_FOREACH(host) {
         if (primary_bus) {
             /* We have multiple root buses, refuse to select a primary */
             return NULL;
@@ -1264,7 +1264,7 @@ PciInfoList *qmp_query_pci(Error **errp)
     PciInfoList *info, *head = NULL, *cur_item = NULL;
     PCIHostState *host_bridge;
 
-    QLIST_FOREACH(host_bridge, &pci_host_bridges, next) {
+    HOST_BRIDGE_FOREACH(host_bridge) {
         info = g_malloc0(sizeof(*info));
         info->value = qmp_query_pci_bus(host_bridge->bus,
                                         pci_bus_num(host_bridge->bus));
@@ -1802,7 +1802,7 @@ int pci_qdev_find_device(const char *id, PCIDevice **pdev)
     PCIHostState *host_bridge;
     int rc = -ENODEV;
 
-    QLIST_FOREACH(host_bridge, &pci_host_bridges, next) {
+    HOST_BRIDGE_FOREACH(host_bridge) {
         int tmp = pci_qdev_find_recursive(host_bridge->bus, id, pdev);
         if (!tmp) {
             rc = 0;
diff --git a/include/hw/pci/pci_host.h b/include/hw/pci/pci_host.h
index 3c72e26..ba5272f 100644
--- a/include/hw/pci/pci_host.h
+++ b/include/hw/pci/pci_host.h
@@ -63,6 +63,10 @@ typedef struct PCIHostBridgeClass {
     const char *(*root_bus_path)(PCIHostState *, PCIBus *);
 } PCIHostBridgeClass;
 
+QLIST_HEAD(PCIHostQ, PCIHostState);
+extern struct PCIHostQ pci_host_bridges;
+#define HOST_BRIDGE_FOREACH(host) QLIST_FOREACH(host, &pci_host_bridges, next)
+
 /* common internal helpers for PCI/PCIe hosts, cut off overflows */
 void pci_host_config_write_common(PCIDevice *pci_dev, uint32_t addr,
                                   uint32_t limit, uint32_t val, uint32_t len);
-- 
2.1.0




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