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 27 #define TYPE_PCIE_PORT "pcie-port" 28 #define PCIE_PORT(obj) OBJECT_CHECK(PCIEPort, (obj), TYPE_PCIE_PORT) 29 30 struct PCIEPort { 31 /*< private >*/ 32 PCIBridge parent_obj; 33 /*< public >*/ 34 35 /* pci express switch port */ 36 uint8_t port; 37 }; 38 39 void pcie_port_init_reg(PCIDevice *d); 40 41 #define TYPE_PCIE_SLOT "pcie-slot" 42 #define PCIE_SLOT(obj) OBJECT_CHECK(PCIESlot, (obj), TYPE_PCIE_SLOT) 43 44 struct PCIESlot { 45 /*< private >*/ 46 PCIEPort parent_obj; 47 /*< public >*/ 48 49 /* pci express switch port with slot */ 50 uint8_t chassis; 51 uint16_t slot; 52 53 PCIExpLinkSpeed speed; 54 PCIExpLinkWidth width; 55 56 /* Disable ACS (really for a pcie_root_port) */ 57 bool disable_acs; 58 59 /* Indicates whether hot-plug is enabled on the slot */ 60 bool hotplug; 61 QLIST_ENTRY(PCIESlot) next; 62 }; 63 64 void pcie_chassis_create(uint8_t chassis_number); 65 PCIESlot *pcie_chassis_find_slot(uint8_t chassis, uint16_t slot); 66 int pcie_chassis_add_slot(struct PCIESlot *slot); 67 void pcie_chassis_del_slot(PCIESlot *s); 68 69 #define TYPE_PCIE_ROOT_PORT "pcie-root-port-base" 70 #define PCIE_ROOT_PORT_CLASS(klass) \ 71 OBJECT_CLASS_CHECK(PCIERootPortClass, (klass), TYPE_PCIE_ROOT_PORT) 72 #define PCIE_ROOT_PORT_GET_CLASS(obj) \ 73 OBJECT_GET_CLASS(PCIERootPortClass, (obj), TYPE_PCIE_ROOT_PORT) 74 75 typedef 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 } PCIERootPortClass; 90 91 #endif /* QEMU_PCIE_PORT_H */ 92