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 "hw/pci/pci_device.h"
  27 #include "qom/object.h"
  28
  29 #define TYPE_PCIE_PORT "pcie-port"
  30 OBJECT_DECLARE_SIMPLE_TYPE(PCIEPort, PCIE_PORT)
  31
  32 struct PCIEPort {
  33     /*< private >*/
  34     PCIBridge   parent_obj;
  35     /*< public >*/
  36
  37     /* pci express switch port */
  38     uint8_t     port;
  39 };
  40
  41 void pcie_port_init_reg(PCIDevice *d);
  42
  43 PCIDevice *pcie_find_port_by_pn(PCIBus *bus, uint8_t pn);
  44 PCIDevice *pcie_find_port_first(PCIBus *bus);
  45 int pcie_count_ds_ports(PCIBus *bus);
  46
  47 #define TYPE_PCIE_SLOT "pcie-slot"
  48 OBJECT_DECLARE_SIMPLE_TYPE(PCIESlot, PCIE_SLOT)
  49
  50 struct PCIESlot {
  51     /*< private >*/
  52     PCIEPort    parent_obj;
  53     /*< public >*/
  54
  55     /* pci express switch port with slot */
  56     uint8_t     chassis;
  57     uint16_t    slot;
  58
  59     PCIExpLinkSpeed speed;
  60     PCIExpLinkWidth width;
  61
  62     /* Disable ACS (really for a pcie_root_port) */
  63     bool        disable_acs;
  64
  65     /* Indicates whether any type of hot-plug is allowed on the slot */
  66     bool        hotplug;
  67
  68     /* broken ACPI hotplug compat knob to preserve 6.1 ABI intact */
  69     bool        hide_native_hotplug_cap;
  70
  71     QLIST_ENTRY(PCIESlot) next;
  72 };
  73
  74 void pcie_chassis_create(uint8_t chassis_number);
  75 int pcie_chassis_add_slot(struct PCIESlot *slot);
  76 void pcie_chassis_del_slot(PCIESlot *s);
  77
  78 #define TYPE_PCIE_ROOT_PORT         "pcie-root-port-base"
  79 typedef struct PCIERootPortClass PCIERootPortClass;
  80 DECLARE_CLASS_CHECKERS(PCIERootPortClass, PCIE_ROOT_PORT,
  81                        TYPE_PCIE_ROOT_PORT)
  82
  83 struct PCIERootPortClass {
  84     PCIDeviceClass parent_class;
  85     DeviceRealize parent_realize;
  86     ResettablePhases parent_phases;
  87
  88     uint8_t (*aer_vector)(const PCIDevice *dev);
  89     int (*interrupts_init)(PCIDevice *dev, Error **errp);
  90     void (*interrupts_uninit)(PCIDevice *dev);
  91
  92     int exp_offset;
  93     int aer_offset;
  94     int ssvid_offset;
  95     int acs_offset;    /* If nonzero, optional ACS capability offset */
  96     int ssid;
  97 };
  98
  99 #endif /* QEMU_PCIE_PORT_H */