summaryrefslogtreecommitdiffstats
path: root/qemu/include/hw/pci/pci_host.h
diff options
context:
space:
mode:
authorYang Zhang <yang.z.zhang@intel.com>2015-08-28 09:58:54 +0800
committerYang Zhang <yang.z.zhang@intel.com>2015-09-01 12:44:00 +0800
commite44e3482bdb4d0ebde2d8b41830ac2cdb07948fb (patch)
tree66b09f592c55df2878107a468a91d21506104d3f /qemu/include/hw/pci/pci_host.h
parent9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 (diff)
Add qemu 2.4.0
Change-Id: Ic99cbad4b61f8b127b7dc74d04576c0bcbaaf4f5 Signed-off-by: Yang Zhang <yang.z.zhang@intel.com>
Diffstat (limited to 'qemu/include/hw/pci/pci_host.h')
-rw-r--r--qemu/include/hw/pci/pci_host.h73
1 files changed, 73 insertions, 0 deletions
diff --git a/qemu/include/hw/pci/pci_host.h b/qemu/include/hw/pci/pci_host.h
new file mode 100644
index 000000000..ba31595fc
--- /dev/null
+++ b/qemu/include/hw/pci/pci_host.h
@@ -0,0 +1,73 @@
+/*
+ * QEMU Common PCI Host bridge configuration data space access routines.
+ *
+ * Copyright (c) 2006 Fabrice Bellard
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+/* Worker routines for a PCI host controller that uses an {address,data}
+ register pair to access PCI configuration space. */
+
+#ifndef PCI_HOST_H
+#define PCI_HOST_H
+
+#include "hw/sysbus.h"
+
+#define TYPE_PCI_HOST_BRIDGE "pci-host-bridge"
+#define PCI_HOST_BRIDGE(obj) \
+ OBJECT_CHECK(PCIHostState, (obj), TYPE_PCI_HOST_BRIDGE)
+#define PCI_HOST_BRIDGE_CLASS(klass) \
+ OBJECT_CLASS_CHECK(PCIHostBridgeClass, (klass), TYPE_PCI_HOST_BRIDGE)
+#define PCI_HOST_BRIDGE_GET_CLASS(obj) \
+ OBJECT_GET_CLASS(PCIHostBridgeClass, (obj), TYPE_PCI_HOST_BRIDGE)
+
+struct PCIHostState {
+ SysBusDevice busdev;
+
+ MemoryRegion conf_mem;
+ MemoryRegion data_mem;
+ MemoryRegion mmcfg;
+ uint32_t config_reg;
+ PCIBus *bus;
+
+ QLIST_ENTRY(PCIHostState) next;
+};
+
+typedef struct PCIHostBridgeClass {
+ SysBusDeviceClass parent_class;
+
+ const char *(*root_bus_path)(PCIHostState *, PCIBus *);
+} PCIHostBridgeClass;
+
+/* 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);
+uint32_t pci_host_config_read_common(PCIDevice *pci_dev, uint32_t addr,
+ uint32_t limit, uint32_t len);
+
+void pci_data_write(PCIBus *s, uint32_t addr, uint32_t val, int len);
+uint32_t pci_data_read(PCIBus *s, uint32_t addr, int len);
+
+extern const MemoryRegionOps pci_host_conf_le_ops;
+extern const MemoryRegionOps pci_host_conf_be_ops;
+extern const MemoryRegionOps pci_host_data_le_ops;
+extern const MemoryRegionOps pci_host_data_be_ops;
+
+#endif /* PCI_HOST_H */