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# Date Author Comment
0d936928 06/18/2012 04:14 pm Anthony Liguori

qdev: Convert busses to QEMU Object Model

This is far less interesting than it sounds. We simply add an Object to each
BusState and then register the types appropriately. Most of the interesting
refactoring will follow in the next patches.

Since we're changing fundamental type names (BusInfo -> BusClass), it all needs...
336411ca 09/20/2011 05:46 pm Michael S. Tsirkin

pci_bridge: simplify memory regions some more

replace alloc/free with struct members.
todo: smash with initial implementation after
testing.

Signed-off-by: Michael S. Tsirkin <>
7df32ca0 09/19/2011 09:22 pm Michael S. Tsirkin

pci: implement bridge filtering

Support bridge filtering on top of the memory
API as suggested by Avi Kivity:

Create a memory region for the bridge's address space. This region is
not directly added to system_memory or its descendants. Devices under
the bridge see this region as its pci_address_space(). The region is...
a92eb87a 09/19/2011 09:22 pm Jan Kiszka

pci: Remove unused mem_base from PCIBus

Obsoleted by f64e02b6cc.

Signed-off-by: Jan Kiszka <>
Signed-off-by: Michael S. Tsirkin <>
5968eca3 08/08/2011 06:15 pm Avi Kivity

pci: allow I/O BARs to be registered with pci_register_bar_region()

Reviewed-by: Richard Henderson <>
Reviewed-by: Anthony Liguori <>
Signed-off-by: Avi Kivity <>
Signed-off-by: Anthony Liguori <>
1e39101c 07/29/2011 04:25 pm Avi Kivity

pci: pass address space to pci bus when created

This is now done sloppily, via get_system_memory(). Eventually callers
will be converted to stop using that.

Reviewed-by: Anthony Liguori <>
Signed-off-by: Avi Kivity <>
Signed-off-by: Anthony Liguori <>
90a20dbb 03/28/2011 07:34 pm Isaku Yamahata

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 <>
Signed-off-by: Michael S. Tsirkin <>
6f3279b5 03/28/2011 07:34 pm Isaku Yamahata

pci: use uint8_t for devfn_min

use uint8_t for devfn_min instead of int.

Signed-off-by: Isaku Yamahata <>
Signed-off-by: Michael S. Tsirkin <>
68f79994 09/07/2010 08:01 pm Isaku Yamahata

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....
7e98e3af 07/22/2010 12:21 pm Isaku Yamahata

pci_bridge: rename PCIBridge::bus -> PCIBridge::sec_bus.

To avoid confusion of primary bus with secondary bus,
rename PCIBridge::bus to PCIBridge::sec_bus.

Signed-off-by: Isaku Yamahata <>
Signed-off-by: Michael S. Tsirkin <>
cfb0a50a 07/19/2010 02:20 pm Isaku Yamahata

pci: move out pci internal structures, PCIBus, PCIBridge, and pci_bus_info.

move out pci internal structures, PCIBus, PCIBridge and pci_bus_info into
private header file, pci_internals.h.
This is a preparation. Later pci bridge implementation will be
split out form pci.c into pci_bridge.c....