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 hot-plug is enabled on the slot */ 61 bool hotplug; 62 QLIST_ENTRY(PCIESlot) next; 63 }; 64 65 void pcie_chassis_create(uint8_t chassis_number); 66 PCIESlot *pcie_chassis_find_slot(uint8_t chassis, uint16_t slot); 67 int pcie_chassis_add_slot(struct PCIESlot *slot); 68 void pcie_chassis_del_slot(PCIESlot *s); 69 70 #define TYPE_PCIE_ROOT_PORT "pcie-root-port-base" 71 typedef struct PCIERootPortClass PCIERootPortClass; 72 DECLARE_CLASS_CHECKERS(PCIERootPortClass, PCIE_ROOT_PORT, 73 TYPE_PCIE_ROOT_PORT) 74 75 struct PCIERootPortClass { 76 PCIDeviceClass parent_class; 77 DeviceRealize parent_realize; 78 DeviceReset parent_reset; 79 80 uint8_t (*aer_vector)(const PCIDevice *dev); 81 int (*interrupts_init)(PCIDevice *dev, Error **errp); 82 void (*interrupts_uninit)(PCIDevice *dev); 83 84 int exp_offset; 85 int aer_offset; 86 int ssvid_offset; 87 int acs_offset; /* If nonzero, optional ACS capability offset */ 88 int ssid; 89 }; 90 91 #endif /* QEMU_PCIE_PORT_H */ 92