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pci_bridge: simplify memory regions some more
replace alloc/free with struct members.todo: smash with initial implementation aftertesting.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
pci: implement bridge filtering
Support bridge filtering on top of the memoryAPI as suggested by Avi Kivity:
Create a memory region for the bridge's address space. This region isnot directly added to system_memory or its descendants. Devices underthe bridge see this region as its pci_address_space(). The region is...
pci: Remove unused mem_base from PCIBus
Obsoleted by f64e02b6cc.
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
pci: allow I/O BARs to be registered with pci_register_bar_region()
Reviewed-by: Richard Henderson <rth@twiddle.net>Reviewed-by: Anthony Liguori <aliguori@us.ibm.com>Signed-off-by: Avi Kivity <avi@redhat.com>Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
pci: pass address space to pci bus when created
This is now done sloppily, via get_system_memory(). Eventually callerswill be converted to stop using that.
Reviewed-by: Anthony Liguori <aliguori@us.ibm.com>Signed-off-by: Avi Kivity <avi@redhat.com>Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
pci: replace the magic, 256, for the maximum of devfn
Introduce symbol PCI_SLOT_MAX for the # of slots,and replace the magic, 256.
Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp>Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
pci: use uint8_t for devfn_min
use uint8_t for devfn_min instead of int.
pci_bridge: introduce pci bridge library.
introduce pci bridge library.convert apb bridge and dec p2p bridge to use new pci bridge library.save/restore is supported as a side effect.This is also preparation for pci express root/upstream/downstream port....
pci_bridge: rename PCIBridge::bus -> PCIBridge::sec_bus.
To avoid confusion of primary bus with secondary bus,rename PCIBridge::bus to PCIBridge::sec_bus.
pci: move out pci internal structures, PCIBus, PCIBridge, and pci_bus_info.
move out pci internal structures, PCIBus, PCIBridge and pci_bus_info intoprivate header file, pci_internals.h.This is a preparation. Later pci bridge implementation will besplit out form pci.c into pci_bridge.c....