1*4c1608caSDaniel Henrique Barboza /*
2*4c1608caSDaniel Henrique Barboza * libqos driver framework for risc-v
3*4c1608caSDaniel Henrique Barboza *
4*4c1608caSDaniel Henrique Barboza * Initial version based on arm-virt-machine.c
5*4c1608caSDaniel Henrique Barboza *
6*4c1608caSDaniel Henrique Barboza * Copyright (c) 2024 Ventana Micro
7*4c1608caSDaniel Henrique Barboza *
8*4c1608caSDaniel Henrique Barboza * This library is free software; you can redistribute it and/or
9*4c1608caSDaniel Henrique Barboza * modify it under the terms of the GNU Lesser General Public
10*4c1608caSDaniel Henrique Barboza * License version 2.1 as published by the Free Software Foundation.
11*4c1608caSDaniel Henrique Barboza *
12*4c1608caSDaniel Henrique Barboza * This library is distributed in the hope that it will be useful,
13*4c1608caSDaniel Henrique Barboza * but WITHOUT ANY WARRANTY; without even the implied warranty of
14*4c1608caSDaniel Henrique Barboza * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15*4c1608caSDaniel Henrique Barboza * Lesser General Public License for more details.
16*4c1608caSDaniel Henrique Barboza *
17*4c1608caSDaniel Henrique Barboza * You should have received a copy of the GNU Lesser General Public
18*4c1608caSDaniel Henrique Barboza * License along with this library; if not, see <http://www.gnu.org/licenses/>
19*4c1608caSDaniel Henrique Barboza */
20*4c1608caSDaniel Henrique Barboza
21*4c1608caSDaniel Henrique Barboza #include "qemu/osdep.h"
22*4c1608caSDaniel Henrique Barboza #include "../libqtest.h"
23*4c1608caSDaniel Henrique Barboza #include "qemu/module.h"
24*4c1608caSDaniel Henrique Barboza #include "libqos-malloc.h"
25*4c1608caSDaniel Henrique Barboza #include "qgraph.h"
26*4c1608caSDaniel Henrique Barboza #include "virtio-mmio.h"
27*4c1608caSDaniel Henrique Barboza #include "generic-pcihost.h"
28*4c1608caSDaniel Henrique Barboza #include "hw/pci/pci_regs.h"
29*4c1608caSDaniel Henrique Barboza
30*4c1608caSDaniel Henrique Barboza #define RISCV_PAGE_SIZE 4096
31*4c1608caSDaniel Henrique Barboza
32*4c1608caSDaniel Henrique Barboza /* VIRT_DRAM */
33*4c1608caSDaniel Henrique Barboza #define RISCV_VIRT_RAM_ADDR 0x80000000
34*4c1608caSDaniel Henrique Barboza #define RISCV_VIRT_RAM_SIZE 0x20000000
35*4c1608caSDaniel Henrique Barboza
36*4c1608caSDaniel Henrique Barboza /*
37*4c1608caSDaniel Henrique Barboza * VIRT_VIRTIO. BASE_ADDR points to the last
38*4c1608caSDaniel Henrique Barboza * virtio_mmio device.
39*4c1608caSDaniel Henrique Barboza */
40*4c1608caSDaniel Henrique Barboza #define VIRTIO_MMIO_BASE_ADDR 0x10008000
41*4c1608caSDaniel Henrique Barboza #define VIRTIO_MMIO_SIZE 0x00001000
42*4c1608caSDaniel Henrique Barboza
43*4c1608caSDaniel Henrique Barboza /* VIRT_PCIE_PIO */
44*4c1608caSDaniel Henrique Barboza #define RISCV_GPEX_PIO_BASE 0x3000000
45*4c1608caSDaniel Henrique Barboza #define RISCV_BUS_PIO_LIMIT 0x10000
46*4c1608caSDaniel Henrique Barboza
47*4c1608caSDaniel Henrique Barboza /* VIRT_PCIE_MMIO */
48*4c1608caSDaniel Henrique Barboza #define RISCV_BUS_MMIO_ALLOC_PTR 0x40000000
49*4c1608caSDaniel Henrique Barboza #define RISCV_BUS_MMIO_LIMIT 0x80000000
50*4c1608caSDaniel Henrique Barboza
51*4c1608caSDaniel Henrique Barboza /* VIRT_PCIE_ECAM */
52*4c1608caSDaniel Henrique Barboza #define RISCV_ECAM_ALLOC_PTR 0x30000000
53*4c1608caSDaniel Henrique Barboza
54*4c1608caSDaniel Henrique Barboza typedef struct QVirtMachine QVirtMachine;
55*4c1608caSDaniel Henrique Barboza
56*4c1608caSDaniel Henrique Barboza struct QVirtMachine {
57*4c1608caSDaniel Henrique Barboza QOSGraphObject obj;
58*4c1608caSDaniel Henrique Barboza QGuestAllocator alloc;
59*4c1608caSDaniel Henrique Barboza QVirtioMMIODevice virtio_mmio;
60*4c1608caSDaniel Henrique Barboza QGenericPCIHost bridge;
61*4c1608caSDaniel Henrique Barboza };
62*4c1608caSDaniel Henrique Barboza
virt_destructor(QOSGraphObject * obj)63*4c1608caSDaniel Henrique Barboza static void virt_destructor(QOSGraphObject *obj)
64*4c1608caSDaniel Henrique Barboza {
65*4c1608caSDaniel Henrique Barboza QVirtMachine *machine = (QVirtMachine *) obj;
66*4c1608caSDaniel Henrique Barboza alloc_destroy(&machine->alloc);
67*4c1608caSDaniel Henrique Barboza }
68*4c1608caSDaniel Henrique Barboza
virt_get_driver(void * object,const char * interface)69*4c1608caSDaniel Henrique Barboza static void *virt_get_driver(void *object, const char *interface)
70*4c1608caSDaniel Henrique Barboza {
71*4c1608caSDaniel Henrique Barboza QVirtMachine *machine = object;
72*4c1608caSDaniel Henrique Barboza if (!g_strcmp0(interface, "memory")) {
73*4c1608caSDaniel Henrique Barboza return &machine->alloc;
74*4c1608caSDaniel Henrique Barboza }
75*4c1608caSDaniel Henrique Barboza
76*4c1608caSDaniel Henrique Barboza fprintf(stderr, "%s not present in riscv/virtio\n", interface);
77*4c1608caSDaniel Henrique Barboza g_assert_not_reached();
78*4c1608caSDaniel Henrique Barboza }
79*4c1608caSDaniel Henrique Barboza
virt_get_device(void * obj,const char * device)80*4c1608caSDaniel Henrique Barboza static QOSGraphObject *virt_get_device(void *obj, const char *device)
81*4c1608caSDaniel Henrique Barboza {
82*4c1608caSDaniel Henrique Barboza QVirtMachine *machine = obj;
83*4c1608caSDaniel Henrique Barboza if (!g_strcmp0(device, "generic-pcihost")) {
84*4c1608caSDaniel Henrique Barboza return &machine->bridge.obj;
85*4c1608caSDaniel Henrique Barboza } else if (!g_strcmp0(device, "virtio-mmio")) {
86*4c1608caSDaniel Henrique Barboza return &machine->virtio_mmio.obj;
87*4c1608caSDaniel Henrique Barboza }
88*4c1608caSDaniel Henrique Barboza
89*4c1608caSDaniel Henrique Barboza fprintf(stderr, "%s not present in riscv/virt\n", device);
90*4c1608caSDaniel Henrique Barboza g_assert_not_reached();
91*4c1608caSDaniel Henrique Barboza }
92*4c1608caSDaniel Henrique Barboza
riscv_config_qpci_bus(QGenericPCIBus * qpci)93*4c1608caSDaniel Henrique Barboza static void riscv_config_qpci_bus(QGenericPCIBus *qpci)
94*4c1608caSDaniel Henrique Barboza {
95*4c1608caSDaniel Henrique Barboza qpci->gpex_pio_base = RISCV_GPEX_PIO_BASE;
96*4c1608caSDaniel Henrique Barboza qpci->bus.pio_limit = RISCV_BUS_PIO_LIMIT;
97*4c1608caSDaniel Henrique Barboza
98*4c1608caSDaniel Henrique Barboza qpci->bus.mmio_alloc_ptr = RISCV_BUS_MMIO_ALLOC_PTR;
99*4c1608caSDaniel Henrique Barboza qpci->bus.mmio_limit = RISCV_BUS_MMIO_LIMIT;
100*4c1608caSDaniel Henrique Barboza
101*4c1608caSDaniel Henrique Barboza qpci->ecam_alloc_ptr = RISCV_ECAM_ALLOC_PTR;
102*4c1608caSDaniel Henrique Barboza }
103*4c1608caSDaniel Henrique Barboza
qos_create_machine_riscv_virt(QTestState * qts)104*4c1608caSDaniel Henrique Barboza static void *qos_create_machine_riscv_virt(QTestState *qts)
105*4c1608caSDaniel Henrique Barboza {
106*4c1608caSDaniel Henrique Barboza QVirtMachine *machine = g_new0(QVirtMachine, 1);
107*4c1608caSDaniel Henrique Barboza
108*4c1608caSDaniel Henrique Barboza alloc_init(&machine->alloc, 0,
109*4c1608caSDaniel Henrique Barboza RISCV_VIRT_RAM_ADDR,
110*4c1608caSDaniel Henrique Barboza RISCV_VIRT_RAM_ADDR + RISCV_VIRT_RAM_SIZE,
111*4c1608caSDaniel Henrique Barboza RISCV_PAGE_SIZE);
112*4c1608caSDaniel Henrique Barboza qvirtio_mmio_init_device(&machine->virtio_mmio, qts, VIRTIO_MMIO_BASE_ADDR,
113*4c1608caSDaniel Henrique Barboza VIRTIO_MMIO_SIZE);
114*4c1608caSDaniel Henrique Barboza
115*4c1608caSDaniel Henrique Barboza qos_create_generic_pcihost(&machine->bridge, qts, &machine->alloc);
116*4c1608caSDaniel Henrique Barboza riscv_config_qpci_bus(&machine->bridge.pci);
117*4c1608caSDaniel Henrique Barboza
118*4c1608caSDaniel Henrique Barboza machine->obj.get_device = virt_get_device;
119*4c1608caSDaniel Henrique Barboza machine->obj.get_driver = virt_get_driver;
120*4c1608caSDaniel Henrique Barboza machine->obj.destructor = virt_destructor;
121*4c1608caSDaniel Henrique Barboza return machine;
122*4c1608caSDaniel Henrique Barboza }
123*4c1608caSDaniel Henrique Barboza
virt_machine_register_nodes(void)124*4c1608caSDaniel Henrique Barboza static void virt_machine_register_nodes(void)
125*4c1608caSDaniel Henrique Barboza {
126*4c1608caSDaniel Henrique Barboza qos_node_create_machine_args("riscv32/virt", qos_create_machine_riscv_virt,
127*4c1608caSDaniel Henrique Barboza "aclint=on,aia=aplic-imsic");
128*4c1608caSDaniel Henrique Barboza qos_node_contains("riscv32/virt", "virtio-mmio", NULL);
129*4c1608caSDaniel Henrique Barboza qos_node_contains("riscv32/virt", "generic-pcihost", NULL);
130*4c1608caSDaniel Henrique Barboza
131*4c1608caSDaniel Henrique Barboza qos_node_create_machine_args("riscv64/virt", qos_create_machine_riscv_virt,
132*4c1608caSDaniel Henrique Barboza "aclint=on,aia=aplic-imsic");
133*4c1608caSDaniel Henrique Barboza qos_node_contains("riscv64/virt", "virtio-mmio", NULL);
134*4c1608caSDaniel Henrique Barboza qos_node_contains("riscv64/virt", "generic-pcihost", NULL);
135*4c1608caSDaniel Henrique Barboza }
136*4c1608caSDaniel Henrique Barboza
137*4c1608caSDaniel Henrique Barboza libqos_init(virt_machine_register_nodes);
138