Merge remote-tracking branch 'remotes/bsdimp/tags/pull-bsd-user-20211018-pull-request...
[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 #include "qom/object.h"
27
28 #define TYPE_PCIE_PORT "pcie-port"
29 OBJECT_DECLARE_SIMPLE_TYPE(PCIEPort, PCIE_PORT)
30
31 struct PCIEPort {
32 /*< private >*/
33 PCIBridge parent_obj;
34 /*< public >*/
35
36 /* pci express switch port */
37 uint8_t port;
38 };
39
40 void pcie_port_init_reg(PCIDevice *d);
41
42 #define TYPE_PCIE_SLOT "pcie-slot"
43 OBJECT_DECLARE_SIMPLE_TYPE(PCIESlot, PCIE_SLOT)
44
45 struct PCIESlot {
46 /*< private >*/
47 PCIEPort parent_obj;
48 /*< public >*/
49
50 /* pci express switch port with slot */
51 uint8_t chassis;
52 uint16_t slot;
53
54 PCIExpLinkSpeed speed;
55 PCIExpLinkWidth width;
56
57 /* Disable ACS (really for a pcie_root_port) */
58 bool disable_acs;
59
60 /* Indicates whether any type of hot-plug is allowed on the slot */
61 bool hotplug;
62
63 bool native_hotplug;
64
65 QLIST_ENTRY(PCIESlot) next;
66 };
67
68 void pcie_chassis_create(uint8_t chassis_number);
69 PCIESlot *pcie_chassis_find_slot(uint8_t chassis, uint16_t slot);
70 int pcie_chassis_add_slot(struct PCIESlot *slot);
71 void pcie_chassis_del_slot(PCIESlot *s);
72
73 #define TYPE_PCIE_ROOT_PORT "pcie-root-port-base"
74 typedef struct PCIERootPortClass PCIERootPortClass;
75 DECLARE_CLASS_CHECKERS(PCIERootPortClass, PCIE_ROOT_PORT,
76 TYPE_PCIE_ROOT_PORT)
77
78 struct PCIERootPortClass {
79 PCIDeviceClass parent_class;
80 DeviceRealize parent_realize;
81 DeviceReset parent_reset;
82
83 uint8_t (*aer_vector)(const PCIDevice *dev);
84 int (*interrupts_init)(PCIDevice *dev, Error **errp);
85 void (*interrupts_uninit)(PCIDevice *dev);
86
87 int exp_offset;
88 int aer_offset;
89 int ssvid_offset;
90 int acs_offset; /* If nonzero, optional ACS capability offset */
91 int ssid;
92 };
93
94 #endif /* QEMU_PCIE_PORT_H */