1 /* 2 * libqos driver framework 3 * 4 * Copyright (c) 2018 Emanuele Giuseppe Esposito <e.emanuelegiuseppe@gmail.com> 5 * 6 * This library is free software; you can redistribute it and/or 7 * modify it under the terms of the GNU Lesser General Public 8 * License version 2.1 as published by the Free Software Foundation. 9 * 10 * This library is distributed in the hope that it will be useful, 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 13 * Lesser General Public License for more details. 14 * 15 * You should have received a copy of the GNU Lesser General Public 16 * License along with this library; if not, see <http://www.gnu.org/licenses/> 17 */ 18 19 #include "qemu/osdep.h" 20 #include "../libqtest.h" 21 #include "qgraph.h" 22 #include "pci-pc.h" 23 #include "qemu/module.h" 24 #include "malloc-pc.h" 25 26 typedef struct QX86PCMachine QX86PCMachine; 27 typedef struct i440FX_pcihost i440FX_pcihost; 28 typedef struct QSDHCI_PCI QSDHCI_PCI; 29 30 struct i440FX_pcihost { 31 QOSGraphObject obj; 32 QPCIBusPC pci; 33 }; 34 35 struct QX86PCMachine { 36 QOSGraphObject obj; 37 QGuestAllocator alloc; 38 i440FX_pcihost bridge; 39 }; 40 41 /* i440FX_pcihost */ 42 43 static QOSGraphObject *i440FX_host_get_device(void *obj, const char *device) 44 { 45 i440FX_pcihost *host = obj; 46 if (!g_strcmp0(device, "pci-bus-pc")) { 47 return &host->pci.obj; 48 } 49 fprintf(stderr, "%s not present in i440FX-pcihost\n", device); 50 g_assert_not_reached(); 51 } 52 53 static void qos_create_i440FX_host(i440FX_pcihost *host, 54 QTestState *qts, 55 QGuestAllocator *alloc) 56 { 57 host->obj.get_device = i440FX_host_get_device; 58 qpci_init_pc(&host->pci, qts, alloc); 59 } 60 61 /* x86_64/pc machine */ 62 63 static void pc_destructor(QOSGraphObject *obj) 64 { 65 QX86PCMachine *machine = (QX86PCMachine *) obj; 66 alloc_destroy(&machine->alloc); 67 } 68 69 static void *pc_get_driver(void *object, const char *interface) 70 { 71 QX86PCMachine *machine = object; 72 if (!g_strcmp0(interface, "memory")) { 73 return &machine->alloc; 74 } 75 76 fprintf(stderr, "%s not present in x86_64/pc\n", interface); 77 g_assert_not_reached(); 78 } 79 80 static QOSGraphObject *pc_get_device(void *obj, const char *device) 81 { 82 QX86PCMachine *machine = obj; 83 if (!g_strcmp0(device, "i440FX-pcihost")) { 84 return &machine->bridge.obj; 85 } 86 87 fprintf(stderr, "%s not present in x86_64/pc\n", device); 88 g_assert_not_reached(); 89 } 90 91 static void *qos_create_machine_pc(QTestState *qts) 92 { 93 QX86PCMachine *machine = g_new0(QX86PCMachine, 1); 94 machine->obj.get_device = pc_get_device; 95 machine->obj.get_driver = pc_get_driver; 96 machine->obj.destructor = pc_destructor; 97 pc_alloc_init(&machine->alloc, qts, ALLOC_NO_FLAGS); 98 qos_create_i440FX_host(&machine->bridge, qts, &machine->alloc); 99 100 return &machine->obj; 101 } 102 103 static void pc_machine_register_nodes(void) 104 { 105 qos_node_create_machine("i386/pc", qos_create_machine_pc); 106 qos_node_contains("i386/pc", "i440FX-pcihost", NULL); 107 108 qos_node_create_machine("x86_64/pc", qos_create_machine_pc); 109 qos_node_contains("x86_64/pc", "i440FX-pcihost", NULL); 110 111 qos_node_create_driver("i440FX-pcihost", NULL); 112 qos_node_contains("i440FX-pcihost", "pci-bus-pc", NULL); 113 } 114 115 libqos_init(pc_machine_register_nodes); 116