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 PCIDevice *pcie_find_port_by_pn(PCIBus *bus, uint8_t pn);
  43
  44 #define TYPE_PCIE_SLOT "pcie-slot"
  45 OBJECT_DECLARE_SIMPLE_TYPE(PCIESlot, PCIE_SLOT)
  46
  47 struct PCIESlot {
  48     /*< private >*/
  49     PCIEPort    parent_obj;
  50     /*< public >*/
  51
  52     /* pci express switch port with slot */
  53     uint8_t     chassis;
  54     uint16_t    slot;
  55
  56     PCIExpLinkSpeed speed;
  57     PCIExpLinkWidth width;
  58
  59     /* Disable ACS (really for a pcie_root_port) */
  60     bool        disable_acs;
  61
  62     /* Indicates whether any type of hot-plug is allowed on the slot */
  63     bool        hotplug;
  64
  65     bool        native_hotplug;
  66
  67     QLIST_ENTRY(PCIESlot) next;
  68 };
  69
  70 void pcie_chassis_create(uint8_t chassis_number);
  71 PCIESlot *pcie_chassis_find_slot(uint8_t chassis, uint16_t slot);
  72 int pcie_chassis_add_slot(struct PCIESlot *slot);
  73 void pcie_chassis_del_slot(PCIESlot *s);
  74
  75 #define TYPE_PCIE_ROOT_PORT         "pcie-root-port-base"
  76 typedef struct PCIERootPortClass PCIERootPortClass;
  77 DECLARE_CLASS_CHECKERS(PCIERootPortClass, PCIE_ROOT_PORT,
  78                        TYPE_PCIE_ROOT_PORT)
  79
  80 struct PCIERootPortClass {
  81     PCIDeviceClass parent_class;
  82     DeviceRealize parent_realize;
  83     DeviceReset parent_reset;
  84
  85     uint8_t (*aer_vector)(const PCIDevice *dev);
  86     int (*interrupts_init)(PCIDevice *dev, Error **errp);
  87     void (*interrupts_uninit)(PCIDevice *dev);
  88
  89     int exp_offset;
  90     int aer_offset;
  91     int ssvid_offset;
  92     int acs_offset;    /* If nonzero, optional ACS capability offset */
  93     int ssid;
  94 };
  95
  96 #endif /* QEMU_PCIE_PORT_H */