10ebf007dSSergio Lopez /* 20ebf007dSSergio Lopez * Copyright (c) 2018 Intel Corporation 30ebf007dSSergio Lopez * Copyright (c) 2019 Red Hat, Inc. 40ebf007dSSergio Lopez * 50ebf007dSSergio Lopez * This program is free software; you can redistribute it and/or modify it 60ebf007dSSergio Lopez * under the terms and conditions of the GNU General Public License, 70ebf007dSSergio Lopez * version 2 or later, as published by the Free Software Foundation. 80ebf007dSSergio Lopez * 90ebf007dSSergio Lopez * This program is distributed in the hope it will be useful, but WITHOUT 100ebf007dSSergio Lopez * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 110ebf007dSSergio Lopez * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for 120ebf007dSSergio Lopez * more details. 130ebf007dSSergio Lopez * 140ebf007dSSergio Lopez * You should have received a copy of the GNU General Public License along with 150ebf007dSSergio Lopez * this program. If not, see <http://www.gnu.org/licenses/>. 160ebf007dSSergio Lopez */ 170ebf007dSSergio Lopez 180ebf007dSSergio Lopez #include "qemu/osdep.h" 190ebf007dSSergio Lopez #include "qemu/error-report.h" 200ebf007dSSergio Lopez #include "qemu/cutils.h" 210ebf007dSSergio Lopez #include "qemu/units.h" 220ebf007dSSergio Lopez #include "qapi/error.h" 230ebf007dSSergio Lopez #include "qapi/visitor.h" 240ebf007dSSergio Lopez #include "qapi/qapi-visit-common.h" 250ebf007dSSergio Lopez #include "sysemu/sysemu.h" 260ebf007dSSergio Lopez #include "sysemu/cpus.h" 270ebf007dSSergio Lopez #include "sysemu/numa.h" 280ebf007dSSergio Lopez #include "sysemu/reset.h" 290ebf007dSSergio Lopez 300ebf007dSSergio Lopez #include "hw/loader.h" 310ebf007dSSergio Lopez #include "hw/irq.h" 320ebf007dSSergio Lopez #include "hw/kvm/clock.h" 330ebf007dSSergio Lopez #include "hw/i386/microvm.h" 340ebf007dSSergio Lopez #include "hw/i386/x86.h" 350ebf007dSSergio Lopez #include "hw/i386/pc.h" 360ebf007dSSergio Lopez #include "target/i386/cpu.h" 37*852c27e2SPaolo Bonzini #include "hw/intc/i8259.h" 380ebf007dSSergio Lopez #include "hw/timer/i8254.h" 39673652a7SPaolo Bonzini #include "hw/rtc/mc146818rtc.h" 400ebf007dSSergio Lopez #include "hw/char/serial.h" 410ebf007dSSergio Lopez #include "hw/i386/topology.h" 420ebf007dSSergio Lopez #include "hw/i386/e820_memory_layout.h" 430ebf007dSSergio Lopez #include "hw/i386/fw_cfg.h" 440ebf007dSSergio Lopez #include "hw/virtio/virtio-mmio.h" 450ebf007dSSergio Lopez 460ebf007dSSergio Lopez #include "cpu.h" 470ebf007dSSergio Lopez #include "elf.h" 480ebf007dSSergio Lopez #include "kvm_i386.h" 490ebf007dSSergio Lopez #include "hw/xen/start_info.h" 500ebf007dSSergio Lopez 510ebf007dSSergio Lopez #define MICROVM_BIOS_FILENAME "bios-microvm.bin" 520ebf007dSSergio Lopez 530ebf007dSSergio Lopez static void microvm_set_rtc(MicrovmMachineState *mms, ISADevice *s) 540ebf007dSSergio Lopez { 550ebf007dSSergio Lopez X86MachineState *x86ms = X86_MACHINE(mms); 560ebf007dSSergio Lopez int val; 570ebf007dSSergio Lopez 580ebf007dSSergio Lopez val = MIN(x86ms->below_4g_mem_size / KiB, 640); 590ebf007dSSergio Lopez rtc_set_memory(s, 0x15, val); 600ebf007dSSergio Lopez rtc_set_memory(s, 0x16, val >> 8); 610ebf007dSSergio Lopez /* extended memory (next 64MiB) */ 620ebf007dSSergio Lopez if (x86ms->below_4g_mem_size > 1 * MiB) { 630ebf007dSSergio Lopez val = (x86ms->below_4g_mem_size - 1 * MiB) / KiB; 640ebf007dSSergio Lopez } else { 650ebf007dSSergio Lopez val = 0; 660ebf007dSSergio Lopez } 670ebf007dSSergio Lopez if (val > 65535) { 680ebf007dSSergio Lopez val = 65535; 690ebf007dSSergio Lopez } 700ebf007dSSergio Lopez rtc_set_memory(s, 0x17, val); 710ebf007dSSergio Lopez rtc_set_memory(s, 0x18, val >> 8); 720ebf007dSSergio Lopez rtc_set_memory(s, 0x30, val); 730ebf007dSSergio Lopez rtc_set_memory(s, 0x31, val >> 8); 740ebf007dSSergio Lopez /* memory between 16MiB and 4GiB */ 750ebf007dSSergio Lopez if (x86ms->below_4g_mem_size > 16 * MiB) { 760ebf007dSSergio Lopez val = (x86ms->below_4g_mem_size - 16 * MiB) / (64 * KiB); 770ebf007dSSergio Lopez } else { 780ebf007dSSergio Lopez val = 0; 790ebf007dSSergio Lopez } 800ebf007dSSergio Lopez if (val > 65535) { 810ebf007dSSergio Lopez val = 65535; 820ebf007dSSergio Lopez } 830ebf007dSSergio Lopez rtc_set_memory(s, 0x34, val); 840ebf007dSSergio Lopez rtc_set_memory(s, 0x35, val >> 8); 850ebf007dSSergio Lopez /* memory above 4GiB */ 860ebf007dSSergio Lopez val = x86ms->above_4g_mem_size / 65536; 870ebf007dSSergio Lopez rtc_set_memory(s, 0x5b, val); 880ebf007dSSergio Lopez rtc_set_memory(s, 0x5c, val >> 8); 890ebf007dSSergio Lopez rtc_set_memory(s, 0x5d, val >> 16); 900ebf007dSSergio Lopez } 910ebf007dSSergio Lopez 920ebf007dSSergio Lopez static void microvm_gsi_handler(void *opaque, int n, int level) 930ebf007dSSergio Lopez { 940ebf007dSSergio Lopez GSIState *s = opaque; 950ebf007dSSergio Lopez 960ebf007dSSergio Lopez qemu_set_irq(s->ioapic_irq[n], level); 970ebf007dSSergio Lopez } 980ebf007dSSergio Lopez 990ebf007dSSergio Lopez static void microvm_devices_init(MicrovmMachineState *mms) 1000ebf007dSSergio Lopez { 1010ebf007dSSergio Lopez X86MachineState *x86ms = X86_MACHINE(mms); 1020ebf007dSSergio Lopez ISABus *isa_bus; 1030ebf007dSSergio Lopez ISADevice *rtc_state; 1040ebf007dSSergio Lopez GSIState *gsi_state; 1050ebf007dSSergio Lopez int i; 1060ebf007dSSergio Lopez 1070ebf007dSSergio Lopez /* Core components */ 1080ebf007dSSergio Lopez 1090ebf007dSSergio Lopez gsi_state = g_malloc0(sizeof(*gsi_state)); 1100ebf007dSSergio Lopez if (mms->pic == ON_OFF_AUTO_ON || mms->pic == ON_OFF_AUTO_AUTO) { 1110ebf007dSSergio Lopez x86ms->gsi = qemu_allocate_irqs(gsi_handler, gsi_state, GSI_NUM_PINS); 1120ebf007dSSergio Lopez } else { 1130ebf007dSSergio Lopez x86ms->gsi = qemu_allocate_irqs(microvm_gsi_handler, 1140ebf007dSSergio Lopez gsi_state, GSI_NUM_PINS); 1150ebf007dSSergio Lopez } 1160ebf007dSSergio Lopez 1170ebf007dSSergio Lopez isa_bus = isa_bus_new(NULL, get_system_memory(), get_system_io(), 1180ebf007dSSergio Lopez &error_abort); 1190ebf007dSSergio Lopez isa_bus_irqs(isa_bus, x86ms->gsi); 1200ebf007dSSergio Lopez 1210ebf007dSSergio Lopez ioapic_init_gsi(gsi_state, "machine"); 1220ebf007dSSergio Lopez 1230ebf007dSSergio Lopez kvmclock_create(); 1240ebf007dSSergio Lopez 1250ebf007dSSergio Lopez for (i = 0; i < VIRTIO_NUM_TRANSPORTS; i++) { 1260ebf007dSSergio Lopez sysbus_create_simple("virtio-mmio", 1270ebf007dSSergio Lopez VIRTIO_MMIO_BASE + i * 512, 1280ebf007dSSergio Lopez x86ms->gsi[VIRTIO_IRQ_BASE + i]); 1290ebf007dSSergio Lopez } 1300ebf007dSSergio Lopez 1310ebf007dSSergio Lopez /* Optional and legacy devices */ 1320ebf007dSSergio Lopez 1330ebf007dSSergio Lopez if (mms->pic == ON_OFF_AUTO_ON || mms->pic == ON_OFF_AUTO_AUTO) { 1340ebf007dSSergio Lopez qemu_irq *i8259; 1350ebf007dSSergio Lopez 1360ebf007dSSergio Lopez i8259 = i8259_init(isa_bus, pc_allocate_cpu_irq()); 1370ebf007dSSergio Lopez for (i = 0; i < ISA_NUM_IRQS; i++) { 1380ebf007dSSergio Lopez gsi_state->i8259_irq[i] = i8259[i]; 1390ebf007dSSergio Lopez } 1400ebf007dSSergio Lopez g_free(i8259); 1410ebf007dSSergio Lopez } 1420ebf007dSSergio Lopez 1430ebf007dSSergio Lopez if (mms->pit == ON_OFF_AUTO_ON || mms->pit == ON_OFF_AUTO_AUTO) { 1440ebf007dSSergio Lopez if (kvm_pit_in_kernel()) { 1450ebf007dSSergio Lopez kvm_pit_init(isa_bus, 0x40); 1460ebf007dSSergio Lopez } else { 1470ebf007dSSergio Lopez i8254_pit_init(isa_bus, 0x40, 0, NULL); 1480ebf007dSSergio Lopez } 1490ebf007dSSergio Lopez } 1500ebf007dSSergio Lopez 1510ebf007dSSergio Lopez if (mms->rtc == ON_OFF_AUTO_ON || 1520ebf007dSSergio Lopez (mms->rtc == ON_OFF_AUTO_AUTO && !kvm_enabled())) { 1530ebf007dSSergio Lopez rtc_state = mc146818_rtc_init(isa_bus, 2000, NULL); 1540ebf007dSSergio Lopez microvm_set_rtc(mms, rtc_state); 1550ebf007dSSergio Lopez } 1560ebf007dSSergio Lopez 1570ebf007dSSergio Lopez if (mms->isa_serial) { 1580ebf007dSSergio Lopez serial_hds_isa_init(isa_bus, 0, 1); 1590ebf007dSSergio Lopez } 1600ebf007dSSergio Lopez 1610ebf007dSSergio Lopez if (bios_name == NULL) { 1620ebf007dSSergio Lopez bios_name = MICROVM_BIOS_FILENAME; 1630ebf007dSSergio Lopez } 1640ebf007dSSergio Lopez x86_bios_rom_init(get_system_memory(), true); 1650ebf007dSSergio Lopez } 1660ebf007dSSergio Lopez 1670ebf007dSSergio Lopez static void microvm_memory_init(MicrovmMachineState *mms) 1680ebf007dSSergio Lopez { 1690ebf007dSSergio Lopez MachineState *machine = MACHINE(mms); 1700ebf007dSSergio Lopez X86MachineState *x86ms = X86_MACHINE(mms); 1710ebf007dSSergio Lopez MemoryRegion *ram, *ram_below_4g, *ram_above_4g; 1720ebf007dSSergio Lopez MemoryRegion *system_memory = get_system_memory(); 1730ebf007dSSergio Lopez FWCfgState *fw_cfg; 1740ebf007dSSergio Lopez ram_addr_t lowmem; 1750ebf007dSSergio Lopez int i; 1760ebf007dSSergio Lopez 1770ebf007dSSergio Lopez /* 1780ebf007dSSergio Lopez * Check whether RAM fits below 4G (leaving 1/2 GByte for IO memory 1790ebf007dSSergio Lopez * and 256 Mbytes for PCI Express Enhanced Configuration Access Mapping 1800ebf007dSSergio Lopez * also known as MMCFG). 1810ebf007dSSergio Lopez * If it doesn't, we need to split it in chunks below and above 4G. 1820ebf007dSSergio Lopez * In any case, try to make sure that guest addresses aligned at 1830ebf007dSSergio Lopez * 1G boundaries get mapped to host addresses aligned at 1G boundaries. 1840ebf007dSSergio Lopez */ 1850ebf007dSSergio Lopez if (machine->ram_size >= 0xb0000000) { 1860ebf007dSSergio Lopez lowmem = 0x80000000; 1870ebf007dSSergio Lopez } else { 1880ebf007dSSergio Lopez lowmem = 0xb0000000; 1890ebf007dSSergio Lopez } 1900ebf007dSSergio Lopez 1910ebf007dSSergio Lopez /* 1920ebf007dSSergio Lopez * Handle the machine opt max-ram-below-4g. It is basically doing 1930ebf007dSSergio Lopez * min(qemu limit, user limit). 1940ebf007dSSergio Lopez */ 1950ebf007dSSergio Lopez if (!x86ms->max_ram_below_4g) { 1960ebf007dSSergio Lopez x86ms->max_ram_below_4g = 4 * GiB; 1970ebf007dSSergio Lopez } 1980ebf007dSSergio Lopez if (lowmem > x86ms->max_ram_below_4g) { 1990ebf007dSSergio Lopez lowmem = x86ms->max_ram_below_4g; 2000ebf007dSSergio Lopez if (machine->ram_size - lowmem > lowmem && 2010ebf007dSSergio Lopez lowmem & (1 * GiB - 1)) { 2020ebf007dSSergio Lopez warn_report("There is possibly poor performance as the ram size " 2030ebf007dSSergio Lopez " (0x%" PRIx64 ") is more then twice the size of" 2040ebf007dSSergio Lopez " max-ram-below-4g (%"PRIu64") and" 2050ebf007dSSergio Lopez " max-ram-below-4g is not a multiple of 1G.", 2060ebf007dSSergio Lopez (uint64_t)machine->ram_size, x86ms->max_ram_below_4g); 2070ebf007dSSergio Lopez } 2080ebf007dSSergio Lopez } 2090ebf007dSSergio Lopez 2100ebf007dSSergio Lopez if (machine->ram_size > lowmem) { 2110ebf007dSSergio Lopez x86ms->above_4g_mem_size = machine->ram_size - lowmem; 2120ebf007dSSergio Lopez x86ms->below_4g_mem_size = lowmem; 2130ebf007dSSergio Lopez } else { 2140ebf007dSSergio Lopez x86ms->above_4g_mem_size = 0; 2150ebf007dSSergio Lopez x86ms->below_4g_mem_size = machine->ram_size; 2160ebf007dSSergio Lopez } 2170ebf007dSSergio Lopez 2180ebf007dSSergio Lopez ram = g_malloc(sizeof(*ram)); 2190ebf007dSSergio Lopez memory_region_allocate_system_memory(ram, NULL, "microvm.ram", 2200ebf007dSSergio Lopez machine->ram_size); 2210ebf007dSSergio Lopez 2220ebf007dSSergio Lopez ram_below_4g = g_malloc(sizeof(*ram_below_4g)); 2230ebf007dSSergio Lopez memory_region_init_alias(ram_below_4g, NULL, "ram-below-4g", ram, 2240ebf007dSSergio Lopez 0, x86ms->below_4g_mem_size); 2250ebf007dSSergio Lopez memory_region_add_subregion(system_memory, 0, ram_below_4g); 2260ebf007dSSergio Lopez 2270ebf007dSSergio Lopez e820_add_entry(0, x86ms->below_4g_mem_size, E820_RAM); 2280ebf007dSSergio Lopez 2290ebf007dSSergio Lopez if (x86ms->above_4g_mem_size > 0) { 2300ebf007dSSergio Lopez ram_above_4g = g_malloc(sizeof(*ram_above_4g)); 2310ebf007dSSergio Lopez memory_region_init_alias(ram_above_4g, NULL, "ram-above-4g", ram, 2320ebf007dSSergio Lopez x86ms->below_4g_mem_size, 2330ebf007dSSergio Lopez x86ms->above_4g_mem_size); 2340ebf007dSSergio Lopez memory_region_add_subregion(system_memory, 0x100000000ULL, 2350ebf007dSSergio Lopez ram_above_4g); 2360ebf007dSSergio Lopez e820_add_entry(0x100000000ULL, x86ms->above_4g_mem_size, E820_RAM); 2370ebf007dSSergio Lopez } 2380ebf007dSSergio Lopez 2390ebf007dSSergio Lopez fw_cfg = fw_cfg_init_io_dma(FW_CFG_IO_BASE, FW_CFG_IO_BASE + 4, 2400ebf007dSSergio Lopez &address_space_memory); 2410ebf007dSSergio Lopez 2420ebf007dSSergio Lopez fw_cfg_add_i16(fw_cfg, FW_CFG_NB_CPUS, machine->smp.cpus); 2430ebf007dSSergio Lopez fw_cfg_add_i16(fw_cfg, FW_CFG_MAX_CPUS, machine->smp.max_cpus); 2440ebf007dSSergio Lopez fw_cfg_add_i64(fw_cfg, FW_CFG_RAM_SIZE, (uint64_t)machine->ram_size); 2450ebf007dSSergio Lopez fw_cfg_add_i32(fw_cfg, FW_CFG_IRQ0_OVERRIDE, kvm_allows_irq0_override()); 2460ebf007dSSergio Lopez fw_cfg_add_bytes(fw_cfg, FW_CFG_E820_TABLE, 2470ebf007dSSergio Lopez &e820_reserve, sizeof(e820_reserve)); 2480ebf007dSSergio Lopez fw_cfg_add_file(fw_cfg, "etc/e820", e820_table, 2490ebf007dSSergio Lopez sizeof(struct e820_entry) * e820_get_num_entries()); 2500ebf007dSSergio Lopez 2510ebf007dSSergio Lopez rom_set_fw(fw_cfg); 2520ebf007dSSergio Lopez 2530ebf007dSSergio Lopez if (machine->kernel_filename != NULL) { 2540ebf007dSSergio Lopez x86_load_linux(x86ms, fw_cfg, 0, true, true); 2550ebf007dSSergio Lopez } 2560ebf007dSSergio Lopez 2570ebf007dSSergio Lopez if (mms->option_roms) { 2580ebf007dSSergio Lopez for (i = 0; i < nb_option_roms; i++) { 2590ebf007dSSergio Lopez rom_add_option(option_rom[i].name, option_rom[i].bootindex); 2600ebf007dSSergio Lopez } 2610ebf007dSSergio Lopez } 2620ebf007dSSergio Lopez 2630ebf007dSSergio Lopez x86ms->fw_cfg = fw_cfg; 2640ebf007dSSergio Lopez x86ms->ioapic_as = &address_space_memory; 2650ebf007dSSergio Lopez } 2660ebf007dSSergio Lopez 2670ebf007dSSergio Lopez static gchar *microvm_get_mmio_cmdline(gchar *name) 2680ebf007dSSergio Lopez { 2690ebf007dSSergio Lopez gchar *cmdline; 2700ebf007dSSergio Lopez gchar *separator; 2710ebf007dSSergio Lopez long int index; 2720ebf007dSSergio Lopez int ret; 2730ebf007dSSergio Lopez 2740ebf007dSSergio Lopez separator = g_strrstr(name, "."); 2750ebf007dSSergio Lopez if (!separator) { 2760ebf007dSSergio Lopez return NULL; 2770ebf007dSSergio Lopez } 2780ebf007dSSergio Lopez 2790ebf007dSSergio Lopez if (qemu_strtol(separator + 1, NULL, 10, &index) != 0) { 2800ebf007dSSergio Lopez return NULL; 2810ebf007dSSergio Lopez } 2820ebf007dSSergio Lopez 2830ebf007dSSergio Lopez cmdline = g_malloc0(VIRTIO_CMDLINE_MAXLEN); 2840ebf007dSSergio Lopez ret = g_snprintf(cmdline, VIRTIO_CMDLINE_MAXLEN, 2850ebf007dSSergio Lopez " virtio_mmio.device=512@0x%lx:%ld", 2860ebf007dSSergio Lopez VIRTIO_MMIO_BASE + index * 512, 2870ebf007dSSergio Lopez VIRTIO_IRQ_BASE + index); 2880ebf007dSSergio Lopez if (ret < 0 || ret >= VIRTIO_CMDLINE_MAXLEN) { 2890ebf007dSSergio Lopez g_free(cmdline); 2900ebf007dSSergio Lopez return NULL; 2910ebf007dSSergio Lopez } 2920ebf007dSSergio Lopez 2930ebf007dSSergio Lopez return cmdline; 2940ebf007dSSergio Lopez } 2950ebf007dSSergio Lopez 2960ebf007dSSergio Lopez static void microvm_fix_kernel_cmdline(MachineState *machine) 2970ebf007dSSergio Lopez { 2980ebf007dSSergio Lopez X86MachineState *x86ms = X86_MACHINE(machine); 2990ebf007dSSergio Lopez BusState *bus; 3000ebf007dSSergio Lopez BusChild *kid; 3010ebf007dSSergio Lopez char *cmdline; 3020ebf007dSSergio Lopez 3030ebf007dSSergio Lopez /* 3040ebf007dSSergio Lopez * Find MMIO transports with attached devices, and add them to the kernel 3050ebf007dSSergio Lopez * command line. 3060ebf007dSSergio Lopez * 3070ebf007dSSergio Lopez * Yes, this is a hack, but one that heavily improves the UX without 3080ebf007dSSergio Lopez * introducing any significant issues. 3090ebf007dSSergio Lopez */ 3100ebf007dSSergio Lopez cmdline = g_strdup(machine->kernel_cmdline); 3110ebf007dSSergio Lopez bus = sysbus_get_default(); 3120ebf007dSSergio Lopez QTAILQ_FOREACH(kid, &bus->children, sibling) { 3130ebf007dSSergio Lopez DeviceState *dev = kid->child; 3140ebf007dSSergio Lopez ObjectClass *class = object_get_class(OBJECT(dev)); 3150ebf007dSSergio Lopez 3160ebf007dSSergio Lopez if (class == object_class_by_name(TYPE_VIRTIO_MMIO)) { 3170ebf007dSSergio Lopez VirtIOMMIOProxy *mmio = VIRTIO_MMIO(OBJECT(dev)); 3180ebf007dSSergio Lopez VirtioBusState *mmio_virtio_bus = &mmio->bus; 3190ebf007dSSergio Lopez BusState *mmio_bus = &mmio_virtio_bus->parent_obj; 3200ebf007dSSergio Lopez 3210ebf007dSSergio Lopez if (!QTAILQ_EMPTY(&mmio_bus->children)) { 3220ebf007dSSergio Lopez gchar *mmio_cmdline = microvm_get_mmio_cmdline(mmio_bus->name); 3230ebf007dSSergio Lopez if (mmio_cmdline) { 3240ebf007dSSergio Lopez char *newcmd = g_strjoin(NULL, cmdline, mmio_cmdline, NULL); 3250ebf007dSSergio Lopez g_free(mmio_cmdline); 3260ebf007dSSergio Lopez g_free(cmdline); 3270ebf007dSSergio Lopez cmdline = newcmd; 3280ebf007dSSergio Lopez } 3290ebf007dSSergio Lopez } 3300ebf007dSSergio Lopez } 3310ebf007dSSergio Lopez } 3320ebf007dSSergio Lopez 3330ebf007dSSergio Lopez fw_cfg_modify_i32(x86ms->fw_cfg, FW_CFG_CMDLINE_SIZE, strlen(cmdline) + 1); 3340ebf007dSSergio Lopez fw_cfg_modify_string(x86ms->fw_cfg, FW_CFG_CMDLINE_DATA, cmdline); 335c3157b74SSergio Lopez 336c3157b74SSergio Lopez g_free(cmdline); 3370ebf007dSSergio Lopez } 3380ebf007dSSergio Lopez 3390ebf007dSSergio Lopez static void microvm_machine_state_init(MachineState *machine) 3400ebf007dSSergio Lopez { 3410ebf007dSSergio Lopez MicrovmMachineState *mms = MICROVM_MACHINE(machine); 3420ebf007dSSergio Lopez X86MachineState *x86ms = X86_MACHINE(machine); 3430ebf007dSSergio Lopez Error *local_err = NULL; 3440ebf007dSSergio Lopez 3450ebf007dSSergio Lopez microvm_memory_init(mms); 3460ebf007dSSergio Lopez 3470ebf007dSSergio Lopez x86_cpus_init(x86ms, CPU_VERSION_LATEST); 3480ebf007dSSergio Lopez if (local_err) { 3490ebf007dSSergio Lopez error_report_err(local_err); 3500ebf007dSSergio Lopez exit(1); 3510ebf007dSSergio Lopez } 3520ebf007dSSergio Lopez 3530ebf007dSSergio Lopez microvm_devices_init(mms); 3540ebf007dSSergio Lopez } 3550ebf007dSSergio Lopez 3560ebf007dSSergio Lopez static void microvm_machine_reset(MachineState *machine) 3570ebf007dSSergio Lopez { 3580ebf007dSSergio Lopez MicrovmMachineState *mms = MICROVM_MACHINE(machine); 3590ebf007dSSergio Lopez CPUState *cs; 3600ebf007dSSergio Lopez X86CPU *cpu; 3610ebf007dSSergio Lopez 3620ebf007dSSergio Lopez if (machine->kernel_filename != NULL && 3630ebf007dSSergio Lopez mms->auto_kernel_cmdline && !mms->kernel_cmdline_fixed) { 3640ebf007dSSergio Lopez microvm_fix_kernel_cmdline(machine); 3650ebf007dSSergio Lopez mms->kernel_cmdline_fixed = true; 3660ebf007dSSergio Lopez } 3670ebf007dSSergio Lopez 3680ebf007dSSergio Lopez qemu_devices_reset(); 3690ebf007dSSergio Lopez 3700ebf007dSSergio Lopez CPU_FOREACH(cs) { 3710ebf007dSSergio Lopez cpu = X86_CPU(cs); 3720ebf007dSSergio Lopez 3730ebf007dSSergio Lopez if (cpu->apic_state) { 3740ebf007dSSergio Lopez device_reset(cpu->apic_state); 3750ebf007dSSergio Lopez } 3760ebf007dSSergio Lopez } 3770ebf007dSSergio Lopez } 3780ebf007dSSergio Lopez 3790ebf007dSSergio Lopez static void microvm_machine_get_pic(Object *obj, Visitor *v, const char *name, 3800ebf007dSSergio Lopez void *opaque, Error **errp) 3810ebf007dSSergio Lopez { 3820ebf007dSSergio Lopez MicrovmMachineState *mms = MICROVM_MACHINE(obj); 3830ebf007dSSergio Lopez OnOffAuto pic = mms->pic; 3840ebf007dSSergio Lopez 3850ebf007dSSergio Lopez visit_type_OnOffAuto(v, name, &pic, errp); 3860ebf007dSSergio Lopez } 3870ebf007dSSergio Lopez 3880ebf007dSSergio Lopez static void microvm_machine_set_pic(Object *obj, Visitor *v, const char *name, 3890ebf007dSSergio Lopez void *opaque, Error **errp) 3900ebf007dSSergio Lopez { 3910ebf007dSSergio Lopez MicrovmMachineState *mms = MICROVM_MACHINE(obj); 3920ebf007dSSergio Lopez 3930ebf007dSSergio Lopez visit_type_OnOffAuto(v, name, &mms->pic, errp); 3940ebf007dSSergio Lopez } 3950ebf007dSSergio Lopez 3960ebf007dSSergio Lopez static void microvm_machine_get_pit(Object *obj, Visitor *v, const char *name, 3970ebf007dSSergio Lopez void *opaque, Error **errp) 3980ebf007dSSergio Lopez { 3990ebf007dSSergio Lopez MicrovmMachineState *mms = MICROVM_MACHINE(obj); 4000ebf007dSSergio Lopez OnOffAuto pit = mms->pit; 4010ebf007dSSergio Lopez 4020ebf007dSSergio Lopez visit_type_OnOffAuto(v, name, &pit, errp); 4030ebf007dSSergio Lopez } 4040ebf007dSSergio Lopez 4050ebf007dSSergio Lopez static void microvm_machine_set_pit(Object *obj, Visitor *v, const char *name, 4060ebf007dSSergio Lopez void *opaque, Error **errp) 4070ebf007dSSergio Lopez { 4080ebf007dSSergio Lopez MicrovmMachineState *mms = MICROVM_MACHINE(obj); 4090ebf007dSSergio Lopez 4100ebf007dSSergio Lopez visit_type_OnOffAuto(v, name, &mms->pit, errp); 4110ebf007dSSergio Lopez } 4120ebf007dSSergio Lopez 4130ebf007dSSergio Lopez static void microvm_machine_get_rtc(Object *obj, Visitor *v, const char *name, 4140ebf007dSSergio Lopez void *opaque, Error **errp) 4150ebf007dSSergio Lopez { 4160ebf007dSSergio Lopez MicrovmMachineState *mms = MICROVM_MACHINE(obj); 4170ebf007dSSergio Lopez OnOffAuto rtc = mms->rtc; 4180ebf007dSSergio Lopez 4190ebf007dSSergio Lopez visit_type_OnOffAuto(v, name, &rtc, errp); 4200ebf007dSSergio Lopez } 4210ebf007dSSergio Lopez 4220ebf007dSSergio Lopez static void microvm_machine_set_rtc(Object *obj, Visitor *v, const char *name, 4230ebf007dSSergio Lopez void *opaque, Error **errp) 4240ebf007dSSergio Lopez { 4250ebf007dSSergio Lopez MicrovmMachineState *mms = MICROVM_MACHINE(obj); 4260ebf007dSSergio Lopez 4270ebf007dSSergio Lopez visit_type_OnOffAuto(v, name, &mms->rtc, errp); 4280ebf007dSSergio Lopez } 4290ebf007dSSergio Lopez 4300ebf007dSSergio Lopez static bool microvm_machine_get_isa_serial(Object *obj, Error **errp) 4310ebf007dSSergio Lopez { 4320ebf007dSSergio Lopez MicrovmMachineState *mms = MICROVM_MACHINE(obj); 4330ebf007dSSergio Lopez 4340ebf007dSSergio Lopez return mms->isa_serial; 4350ebf007dSSergio Lopez } 4360ebf007dSSergio Lopez 4370ebf007dSSergio Lopez static void microvm_machine_set_isa_serial(Object *obj, bool value, 4380ebf007dSSergio Lopez Error **errp) 4390ebf007dSSergio Lopez { 4400ebf007dSSergio Lopez MicrovmMachineState *mms = MICROVM_MACHINE(obj); 4410ebf007dSSergio Lopez 4420ebf007dSSergio Lopez mms->isa_serial = value; 4430ebf007dSSergio Lopez } 4440ebf007dSSergio Lopez 4450ebf007dSSergio Lopez static bool microvm_machine_get_option_roms(Object *obj, Error **errp) 4460ebf007dSSergio Lopez { 4470ebf007dSSergio Lopez MicrovmMachineState *mms = MICROVM_MACHINE(obj); 4480ebf007dSSergio Lopez 4490ebf007dSSergio Lopez return mms->option_roms; 4500ebf007dSSergio Lopez } 4510ebf007dSSergio Lopez 4520ebf007dSSergio Lopez static void microvm_machine_set_option_roms(Object *obj, bool value, 4530ebf007dSSergio Lopez Error **errp) 4540ebf007dSSergio Lopez { 4550ebf007dSSergio Lopez MicrovmMachineState *mms = MICROVM_MACHINE(obj); 4560ebf007dSSergio Lopez 4570ebf007dSSergio Lopez mms->option_roms = value; 4580ebf007dSSergio Lopez } 4590ebf007dSSergio Lopez 4600ebf007dSSergio Lopez static bool microvm_machine_get_auto_kernel_cmdline(Object *obj, Error **errp) 4610ebf007dSSergio Lopez { 4620ebf007dSSergio Lopez MicrovmMachineState *mms = MICROVM_MACHINE(obj); 4630ebf007dSSergio Lopez 4640ebf007dSSergio Lopez return mms->auto_kernel_cmdline; 4650ebf007dSSergio Lopez } 4660ebf007dSSergio Lopez 4670ebf007dSSergio Lopez static void microvm_machine_set_auto_kernel_cmdline(Object *obj, bool value, 4680ebf007dSSergio Lopez Error **errp) 4690ebf007dSSergio Lopez { 4700ebf007dSSergio Lopez MicrovmMachineState *mms = MICROVM_MACHINE(obj); 4710ebf007dSSergio Lopez 4720ebf007dSSergio Lopez mms->auto_kernel_cmdline = value; 4730ebf007dSSergio Lopez } 4740ebf007dSSergio Lopez 4750ebf007dSSergio Lopez static void microvm_machine_initfn(Object *obj) 4760ebf007dSSergio Lopez { 4770ebf007dSSergio Lopez MicrovmMachineState *mms = MICROVM_MACHINE(obj); 4780ebf007dSSergio Lopez 4790ebf007dSSergio Lopez /* Configuration */ 4800ebf007dSSergio Lopez mms->pic = ON_OFF_AUTO_AUTO; 4810ebf007dSSergio Lopez mms->pit = ON_OFF_AUTO_AUTO; 4820ebf007dSSergio Lopez mms->rtc = ON_OFF_AUTO_AUTO; 4830ebf007dSSergio Lopez mms->isa_serial = true; 4840ebf007dSSergio Lopez mms->option_roms = true; 4850ebf007dSSergio Lopez mms->auto_kernel_cmdline = true; 4860ebf007dSSergio Lopez 4870ebf007dSSergio Lopez /* State */ 4880ebf007dSSergio Lopez mms->kernel_cmdline_fixed = false; 4890ebf007dSSergio Lopez } 4900ebf007dSSergio Lopez 4910ebf007dSSergio Lopez static void microvm_class_init(ObjectClass *oc, void *data) 4920ebf007dSSergio Lopez { 4930ebf007dSSergio Lopez MachineClass *mc = MACHINE_CLASS(oc); 4940ebf007dSSergio Lopez 4950ebf007dSSergio Lopez mc->init = microvm_machine_state_init; 4960ebf007dSSergio Lopez 4970ebf007dSSergio Lopez mc->family = "microvm_i386"; 4980ebf007dSSergio Lopez mc->desc = "microvm (i386)"; 4990ebf007dSSergio Lopez mc->units_per_default_bus = 1; 5000ebf007dSSergio Lopez mc->no_floppy = 1; 5010ebf007dSSergio Lopez mc->max_cpus = 288; 5020ebf007dSSergio Lopez mc->has_hotpluggable_cpus = false; 5030ebf007dSSergio Lopez mc->auto_enable_numa_with_memhp = false; 5040ebf007dSSergio Lopez mc->default_cpu_type = TARGET_DEFAULT_CPU_TYPE; 5050ebf007dSSergio Lopez mc->nvdimm_supported = false; 5060ebf007dSSergio Lopez 5070ebf007dSSergio Lopez /* Avoid relying too much on kernel components */ 5080ebf007dSSergio Lopez mc->default_kernel_irqchip_split = true; 5090ebf007dSSergio Lopez 5100ebf007dSSergio Lopez /* Machine class handlers */ 5110ebf007dSSergio Lopez mc->reset = microvm_machine_reset; 5120ebf007dSSergio Lopez 5130ebf007dSSergio Lopez object_class_property_add(oc, MICROVM_MACHINE_PIC, "OnOffAuto", 5140ebf007dSSergio Lopez microvm_machine_get_pic, 5150ebf007dSSergio Lopez microvm_machine_set_pic, 5160ebf007dSSergio Lopez NULL, NULL, &error_abort); 5170ebf007dSSergio Lopez object_class_property_set_description(oc, MICROVM_MACHINE_PIC, 5180ebf007dSSergio Lopez "Enable i8259 PIC", &error_abort); 5190ebf007dSSergio Lopez 5200ebf007dSSergio Lopez object_class_property_add(oc, MICROVM_MACHINE_PIT, "OnOffAuto", 5210ebf007dSSergio Lopez microvm_machine_get_pit, 5220ebf007dSSergio Lopez microvm_machine_set_pit, 5230ebf007dSSergio Lopez NULL, NULL, &error_abort); 5240ebf007dSSergio Lopez object_class_property_set_description(oc, MICROVM_MACHINE_PIT, 5250ebf007dSSergio Lopez "Enable i8254 PIT", &error_abort); 5260ebf007dSSergio Lopez 5270ebf007dSSergio Lopez object_class_property_add(oc, MICROVM_MACHINE_RTC, "OnOffAuto", 5280ebf007dSSergio Lopez microvm_machine_get_rtc, 5290ebf007dSSergio Lopez microvm_machine_set_rtc, 5300ebf007dSSergio Lopez NULL, NULL, &error_abort); 5310ebf007dSSergio Lopez object_class_property_set_description(oc, MICROVM_MACHINE_RTC, 5320ebf007dSSergio Lopez "Enable MC146818 RTC", &error_abort); 5330ebf007dSSergio Lopez 5340ebf007dSSergio Lopez object_class_property_add_bool(oc, MICROVM_MACHINE_ISA_SERIAL, 5350ebf007dSSergio Lopez microvm_machine_get_isa_serial, 5360ebf007dSSergio Lopez microvm_machine_set_isa_serial, 5370ebf007dSSergio Lopez &error_abort); 5380ebf007dSSergio Lopez object_class_property_set_description(oc, MICROVM_MACHINE_ISA_SERIAL, 5390ebf007dSSergio Lopez "Set off to disable the instantiation an ISA serial port", 5400ebf007dSSergio Lopez &error_abort); 5410ebf007dSSergio Lopez 5420ebf007dSSergio Lopez object_class_property_add_bool(oc, MICROVM_MACHINE_OPTION_ROMS, 5430ebf007dSSergio Lopez microvm_machine_get_option_roms, 5440ebf007dSSergio Lopez microvm_machine_set_option_roms, 5450ebf007dSSergio Lopez &error_abort); 5460ebf007dSSergio Lopez object_class_property_set_description(oc, MICROVM_MACHINE_OPTION_ROMS, 5470ebf007dSSergio Lopez "Set off to disable loading option ROMs", &error_abort); 5480ebf007dSSergio Lopez 5490ebf007dSSergio Lopez object_class_property_add_bool(oc, MICROVM_MACHINE_AUTO_KERNEL_CMDLINE, 5500ebf007dSSergio Lopez microvm_machine_get_auto_kernel_cmdline, 5510ebf007dSSergio Lopez microvm_machine_set_auto_kernel_cmdline, 5520ebf007dSSergio Lopez &error_abort); 5530ebf007dSSergio Lopez object_class_property_set_description(oc, 5540ebf007dSSergio Lopez MICROVM_MACHINE_AUTO_KERNEL_CMDLINE, 5550ebf007dSSergio Lopez "Set off to disable adding virtio-mmio devices to the kernel cmdline", 5560ebf007dSSergio Lopez &error_abort); 5570ebf007dSSergio Lopez } 5580ebf007dSSergio Lopez 5590ebf007dSSergio Lopez static const TypeInfo microvm_machine_info = { 5600ebf007dSSergio Lopez .name = TYPE_MICROVM_MACHINE, 5610ebf007dSSergio Lopez .parent = TYPE_X86_MACHINE, 5620ebf007dSSergio Lopez .instance_size = sizeof(MicrovmMachineState), 5630ebf007dSSergio Lopez .instance_init = microvm_machine_initfn, 5640ebf007dSSergio Lopez .class_size = sizeof(MicrovmMachineClass), 5650ebf007dSSergio Lopez .class_init = microvm_class_init, 5660ebf007dSSergio Lopez .interfaces = (InterfaceInfo[]) { 5670ebf007dSSergio Lopez { } 5680ebf007dSSergio Lopez }, 5690ebf007dSSergio Lopez }; 5700ebf007dSSergio Lopez 5710ebf007dSSergio Lopez static void microvm_machine_init(void) 5720ebf007dSSergio Lopez { 5730ebf007dSSergio Lopez type_register_static(µvm_machine_info); 5740ebf007dSSergio Lopez } 5750ebf007dSSergio Lopez type_init(microvm_machine_init); 576