xref: /openbmc/qemu/include/hw/pci/pcie_port.h (revision a9ded601)
1 /*
2  * pcie_port.h
3  *
4  * Copyright (c) 2010 Isaku Yamahata <yamahata at valinux co jp>
5  *                    VA Linux Systems Japan K.K.
6  *
7  * This program is free software; you can redistribute it and/or modify
8  * it under the terms of the GNU General Public License as published by
9  * the Free Software Foundation; either version 2 of the License, or
10  * (at your option) any later version.
11  *
12  * This program is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15  * GNU General Public License for more details.
16  *
17  * You should have received a copy of the GNU General Public License along
18  * with this program; if not, see <http://www.gnu.org/licenses/>.
19  */
20 
21 #ifndef QEMU_PCIE_PORT_H
22 #define QEMU_PCIE_PORT_H
23 
24 #include "hw/pci/pci_bridge.h"
25 #include "hw/pci/pci_bus.h"
26 
27 #define TYPE_PCIE_PORT "pcie-port"
28 #define PCIE_PORT(obj) OBJECT_CHECK(PCIEPort, (obj), TYPE_PCIE_PORT)
29 
30 struct PCIEPort {
31     /*< private >*/
32     PCIBridge   parent_obj;
33     /*< public >*/
34 
35     /* pci express switch port */
36     uint8_t     port;
37 };
38 
39 void pcie_port_init_reg(PCIDevice *d);
40 
41 #define TYPE_PCIE_SLOT "pcie-slot"
42 #define PCIE_SLOT(obj) OBJECT_CHECK(PCIESlot, (obj), TYPE_PCIE_SLOT)
43 
44 struct PCIESlot {
45     /*< private >*/
46     PCIEPort    parent_obj;
47     /*< public >*/
48 
49     /* pci express switch port with slot */
50     uint8_t     chassis;
51     uint16_t    slot;
52     QLIST_ENTRY(PCIESlot) next;
53 };
54 
55 void pcie_chassis_create(uint8_t chassis_number);
56 PCIESlot *pcie_chassis_find_slot(uint8_t chassis, uint16_t slot);
57 int pcie_chassis_add_slot(struct PCIESlot *slot);
58 void pcie_chassis_del_slot(PCIESlot *s);
59 
60 #define TYPE_PCIE_ROOT_PORT         "pcie-root-port-base"
61 #define PCIE_ROOT_PORT_CLASS(klass) \
62      OBJECT_CLASS_CHECK(PCIERootPortClass, (klass), TYPE_PCIE_ROOT_PORT)
63 #define PCIE_ROOT_PORT_GET_CLASS(obj) \
64      OBJECT_GET_CLASS(PCIERootPortClass, (obj), TYPE_PCIE_ROOT_PORT)
65 
66 typedef struct PCIERootPortClass {
67     PCIDeviceClass parent_class;
68 
69     uint8_t (*aer_vector)(const PCIDevice *dev);
70     int (*interrupts_init)(PCIDevice *dev, Error **errp);
71     void (*interrupts_uninit)(PCIDevice *dev);
72 
73     int exp_offset;
74     int aer_offset;
75     int ssvid_offset;
76     int ssid;
77 } PCIERootPortClass;
78 
79 #endif /* QEMU_PCIE_PORT_H */
80