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hw/pcie: Introduce a base class for PCI Express Root Ports

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The 'base' PCI Express Root Port includes
the common code to be re-used for all
Root Ports implementations. Most of the code
was taken from the current implementation
of Intel's IOH 3420 Root Port.

Signed-off-by: Marcel Apfelbaum <marcel@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Marcel Apfelbaum 2017-01-23 21:20:18 +02:00 • committed by Michael S. Tsirkin
parent 04eb6247eb
commit 9d5154d753
6 changed files with 194 additions and 0 deletions
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19
include/hw/pci/pcie_port.h
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@ -57,4 +57,23 @@ PCIESlot *pcie_chassis_find_slot(uint8_t chassis, uint16_t slot);
int pcie_chassis_add_slot(struct PCIESlot *slot);
void pcie_chassis_del_slot(PCIESlot *s);
#define TYPE_PCIE_ROOT_PORT "pcie-root-port-base"
#define PCIE_ROOT_PORT_CLASS(klass) \
OBJECT_CLASS_CHECK(PCIERootPortClass, (klass), TYPE_PCIE_ROOT_PORT)
#define PCIE_ROOT_PORT_GET_CLASS(obj) \
OBJECT_GET_CLASS(PCIERootPortClass, (obj), TYPE_PCIE_ROOT_PORT)
typedef struct PCIERootPortClass {
PCIDeviceClass parent_class;
uint8_t (*aer_vector)(const PCIDevice *dev);
int (*interrupts_init)(PCIDevice *dev, Error **errp);
void (*interrupts_uninit)(PCIDevice *dev);
int exp_offset;
int aer_offset;
int ssvid_offset;
int ssid;
} PCIERootPortClass;
#endif /* QEMU_PCIE_PORT_H */