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pci: Move bridge data structures from pci_bus.h to pci_bridge.h

Browse source 
include/hw/pci/pci_bus.h contains several data structures related to PCI
bridges that aren't needed by most users of pci_bus.h.  We already have
a pci_bridge.h, so move them there.

Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Marcel Apfelbaum <marcel@redhat.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
This commit is contained in:
David Gibson 2017-11-29 19:46:23 +11:00 • committed by Michael S. Tsirkin
parent 1115ff6d26
commit 791bf3c8f0
3 changed files with 51 additions and 50 deletions
Download patch file Download diff file Expand all files Collapse all files

2
include/hw/pci-host/xilinx-pcie.h
View file

@ -23,7 +23,7 @@
#include "hw/hw.h" #include "hw/hw.h"
#include "hw/sysbus.h" #include "hw/sysbus.h"
#include "hw/pci/pci.h" #include "hw/pci/pci.h"
#include "hw/pci/pci_bus.h" #include "hw/pci/pci_bridge.h"
#include "hw/pci/pcie_host.h" #include "hw/pci/pcie_host.h"
#define TYPE_XILINX_PCIE_HOST "xilinx-pcie-host" #define TYPE_XILINX_PCIE_HOST "xilinx-pcie-host"

48
include/hw/pci/pci_bridge.h
View file

@ -27,6 +27,54 @@
#define QEMU_PCI_BRIDGE_H #define QEMU_PCI_BRIDGE_H
#include "hw/pci/pci.h" #include "hw/pci/pci.h"
#include "hw/pci/pci_bus.h"
typedef struct PCIBridgeWindows PCIBridgeWindows;
/*
* Aliases for each of the address space windows that the bridge
* can forward. Mapped into the bridge's parent's address space,
* as subregions.
*/
struct PCIBridgeWindows {
MemoryRegion alias_pref_mem;
MemoryRegion alias_mem;
MemoryRegion alias_io;
/*
* When bridge control VGA forwarding is enabled, bridges will
* provide positive decode on the PCI VGA defined I/O port and
* MMIO ranges. When enabled forwarding is only qualified on the
* I/O and memory enable bits in the bridge command register.
*/
MemoryRegion alias_vga[QEMU_PCI_VGA_NUM_REGIONS];
};
#define TYPE_PCI_BRIDGE "base-pci-bridge"
#define PCI_BRIDGE(obj) OBJECT_CHECK(PCIBridge, (obj), TYPE_PCI_BRIDGE)
struct PCIBridge {
/*< private >*/
PCIDevice parent_obj;
/*< public >*/
/* private member */
PCIBus sec_bus;
/*
* Memory regions for the bridge's address spaces. These regions are not
* directly added to system_memory/system_io or its descendants.
* Bridge's secondary bus points to these, so that devices
* under the bridge see these regions as its address spaces.
* The regions are as large as the entire address space -
* they don't take into account any windows.
*/
MemoryRegion address_space_mem;
MemoryRegion address_space_io;
PCIBridgeWindows *windows;
pci_map_irq_fn map_irq;
const char *bus_name;
};
#define PCI_BRIDGE_DEV_PROP_CHASSIS_NR "chassis_nr" #define PCI_BRIDGE_DEV_PROP_CHASSIS_NR "chassis_nr"
#define PCI_BRIDGE_DEV_PROP_MSI "msi" #define PCI_BRIDGE_DEV_PROP_MSI "msi"

51
include/hw/pci/pci_bus.h
View file

@ -2,10 +2,10 @@
#define QEMU_PCI_BUS_H #define QEMU_PCI_BUS_H
/* /*
* PCI Bus and Bridge datastructures. * PCI Bus datastructures.
* *
* Do not access the following members directly; * Do not access the following members directly;
* use accessor functions in pci.h, pci_bridge.h * use accessor functions in pci.h
*/ */
typedef struct PCIBusClass { typedef struct PCIBusClass {
@ -44,51 +44,4 @@ struct PCIBus {
Notifier machine_done; Notifier machine_done;
}; };
typedef struct PCIBridgeWindows PCIBridgeWindows;
/*
* Aliases for each of the address space windows that the bridge
* can forward. Mapped into the bridge's parent's address space,
* as subregions.
*/
struct PCIBridgeWindows {
MemoryRegion alias_pref_mem;
MemoryRegion alias_mem;
MemoryRegion alias_io;
/*
* When bridge control VGA forwarding is enabled, bridges will
* provide positive decode on the PCI VGA defined I/O port and
* MMIO ranges. When enabled forwarding is only qualified on the
* I/O and memory enable bits in the bridge command register.
*/
MemoryRegion alias_vga[QEMU_PCI_VGA_NUM_REGIONS];
};
#define TYPE_PCI_BRIDGE "base-pci-bridge"
#define PCI_BRIDGE(obj) OBJECT_CHECK(PCIBridge, (obj), TYPE_PCI_BRIDGE)
struct PCIBridge {
/*< private >*/
PCIDevice parent_obj;
/*< public >*/
/* private member */
PCIBus sec_bus;
/*
* Memory regions for the bridge's address spaces. These regions are not
* directly added to system_memory/system_io or its descendants.
* Bridge's secondary bus points to these, so that devices
* under the bridge see these regions as its address spaces.
* The regions are as large as the entire address space -
* they don't take into account any windows.
*/
MemoryRegion address_space_mem;
MemoryRegion address_space_io;
PCIBridgeWindows *windows;
pci_map_irq_fn map_irq;
const char *bus_name;
};
#endif /* QEMU_PCI_BUS_H */ #endif /* QEMU_PCI_BUS_H */