historical/m0-applesillicon.git/xnu-qemu-arm64-5.1.0/include/hw/pci/pcie_port.h
2024-01-16 11:20:27 -06:00

91 lines
2.6 KiB
C

/*
* pcie_port.h
*
* Copyright (c) 2010 Isaku Yamahata <yamahata at valinux co jp>
* VA Linux Systems Japan K.K.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, see <http://www.gnu.org/licenses/>.
*/
#ifndef QEMU_PCIE_PORT_H
#define QEMU_PCIE_PORT_H
#include "hw/pci/pci_bridge.h"
#include "hw/pci/pci_bus.h"
#define TYPE_PCIE_PORT "pcie-port"
#define PCIE_PORT(obj) OBJECT_CHECK(PCIEPort, (obj), TYPE_PCIE_PORT)
struct PCIEPort {
/*< private >*/
PCIBridge parent_obj;
/*< public >*/
/* pci express switch port */
uint8_t port;
};
void pcie_port_init_reg(PCIDevice *d);
#define TYPE_PCIE_SLOT "pcie-slot"
#define PCIE_SLOT(obj) OBJECT_CHECK(PCIESlot, (obj), TYPE_PCIE_SLOT)
struct PCIESlot {
/*< private >*/
PCIEPort parent_obj;
/*< public >*/
/* pci express switch port with slot */
uint8_t chassis;
uint16_t slot;
PCIExpLinkSpeed speed;
PCIExpLinkWidth width;
/* Disable ACS (really for a pcie_root_port) */
bool disable_acs;
/* Indicates whether hot-plug is enabled on the slot */
bool hotplug;
QLIST_ENTRY(PCIESlot) next;
};
void pcie_chassis_create(uint8_t chassis_number);
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;
DeviceRealize parent_realize;
DeviceReset parent_reset;
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 acs_offset; /* If nonzero, optional ACS capability offset */
int ssid;
} PCIERootPortClass;
#endif /* QEMU_PCIE_PORT_H */