qemu

FORK: QEMU emulator
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pcie_port.h (2702B)

      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 */