pcie: minor cleanups for slot control/status
[qemu.git] / include / hw / pci / pcie_port.h
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
53 PCIExpLinkSpeed speed;
54 PCIExpLinkWidth width;
55
56 QLIST_ENTRY(PCIESlot) next;
57 };
58
59 void pcie_chassis_create(uint8_t chassis_number);
60 PCIESlot *pcie_chassis_find_slot(uint8_t chassis, uint16_t slot);
61 int pcie_chassis_add_slot(struct PCIESlot *slot);
62 void pcie_chassis_del_slot(PCIESlot *s);
63
64 #define TYPE_PCIE_ROOT_PORT "pcie-root-port-base"
65 #define PCIE_ROOT_PORT_CLASS(klass) \
66 OBJECT_CLASS_CHECK(PCIERootPortClass, (klass), TYPE_PCIE_ROOT_PORT)
67 #define PCIE_ROOT_PORT_GET_CLASS(obj) \
68 OBJECT_GET_CLASS(PCIERootPortClass, (obj), TYPE_PCIE_ROOT_PORT)
69
70 typedef struct PCIERootPortClass {
71 PCIDeviceClass parent_class;
72 DeviceRealize parent_realize;
73
74 uint8_t (*aer_vector)(const PCIDevice *dev);
75 int (*interrupts_init)(PCIDevice *dev, Error **errp);
76 void (*interrupts_uninit)(PCIDevice *dev);
77
78 int exp_offset;
79 int aer_offset;
80 int ssvid_offset;
81 int acs_offset; /* If nonzero, optional ACS capability offset */
82 int ssid;
83 } PCIERootPortClass;
84
85 #endif /* QEMU_PCIE_PORT_H */