diff options
Diffstat (limited to 'qemu/hw/i386/pc.c')
| -rw-r--r-- | qemu/hw/i386/pc.c | 580 |
1 files changed, 316 insertions, 264 deletions
diff --git a/qemu/hw/i386/pc.c b/qemu/hw/i386/pc.c index 7661ea9cd..99437e0b7 100644 --- a/qemu/hw/i386/pc.c +++ b/qemu/hw/i386/pc.c @@ -21,6 +21,7 @@ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. */ +#include "qemu/osdep.h" #include "hw/hw.h" #include "hw/i386/pc.h" #include "hw/char/serial.h" @@ -33,7 +34,7 @@ #include "hw/pci/pci_bus.h" #include "hw/nvram/fw_cfg.h" #include "hw/timer/hpet.h" -#include "hw/i386/smbios.h" +#include "hw/smbios/smbios.h" #include "hw/loader.h" #include "elf.h" #include "multiboot.h" @@ -59,13 +60,13 @@ #include "qemu/error-report.h" #include "hw/acpi/acpi.h" #include "hw/acpi/cpu_hotplug.h" -#include "hw/cpu/icc_bus.h" #include "hw/boards.h" #include "hw/pci/pci_host.h" #include "acpi-build.h" #include "hw/mem/pc-dimm.h" #include "qapi/visitor.h" #include "qapi-visit.h" +#include "qom/cpu.h" /* debug PC/ISA interrupts */ //#define DEBUG_IRQ @@ -77,16 +78,6 @@ #define DPRINTF(fmt, ...) #endif -/* Leave a chunk of memory at the top of RAM for the BIOS ACPI tables - * (128K) and other BIOS datastructures (less than 4K reported to be used at - * the moment, 32K should be enough for a while). */ -static unsigned acpi_data_size = 0x20000 + 0x8000; -void pc_set_legacy_acpi_data_size(void) -{ - acpi_data_size = 0x10000; -} - -#define BIOS_CFG_IOPORT 0x510 #define FW_CFG_ACPI_TABLES (FW_CFG_ARCH_LOCAL + 0) #define FW_CFG_SMBIOS_ENTRIES (FW_CFG_ARCH_LOCAL + 1) #define FW_CFG_IRQ0_OVERRIDE (FW_CFG_ARCH_LOCAL + 2) @@ -208,24 +199,24 @@ static void pic_irq_request(void *opaque, int irq, int level) #define REG_EQUIPMENT_BYTE 0x14 -static int cmos_get_fd_drive_type(FDriveType fd0) +int cmos_get_fd_drive_type(FloppyDriveType fd0) { int val; switch (fd0) { - case FDRIVE_DRV_144: + case FLOPPY_DRIVE_TYPE_144: /* 1.44 Mb 3"5 drive */ val = 4; break; - case FDRIVE_DRV_288: + case FLOPPY_DRIVE_TYPE_288: /* 2.88 Mb 3"5 drive */ val = 5; break; - case FDRIVE_DRV_120: + case FLOPPY_DRIVE_TYPE_120: /* 1.2 Mb 5"5 drive */ val = 2; break; - case FDRIVE_DRV_NONE: + case FLOPPY_DRIVE_TYPE_NONE: default: val = 0; break; @@ -296,7 +287,8 @@ static void pc_boot_set(void *opaque, const char *boot_device, Error **errp) static void pc_cmos_init_floppy(ISADevice *rtc_state, ISADevice *floppy) { int val, nb, i; - FDriveType fd_type[2] = { FDRIVE_DRV_NONE, FDRIVE_DRV_NONE }; + FloppyDriveType fd_type[2] = { FLOPPY_DRIVE_TYPE_NONE, + FLOPPY_DRIVE_TYPE_NONE }; /* floppy type */ if (floppy) { @@ -310,10 +302,10 @@ static void pc_cmos_init_floppy(ISADevice *rtc_state, ISADevice *floppy) val = rtc_get_memory(rtc_state, REG_EQUIPMENT_BYTE); nb = 0; - if (fd_type[0] < FDRIVE_DRV_NONE) { + if (fd_type[0] != FLOPPY_DRIVE_TYPE_NONE) { nb++; } - if (fd_type[1] < FDRIVE_DRV_NONE) { + if (fd_type[1] != FLOPPY_DRIVE_TYPE_NONE) { nb++; } switch (nb) { @@ -369,6 +361,31 @@ static const char * const fdc_container_path[] = { "/unattached", "/peripheral", "/peripheral-anon" }; +/* + * Locate the FDC at IO address 0x3f0, in order to configure the CMOS registers + * and ACPI objects. + */ +ISADevice *pc_find_fdc0(void) +{ + int i; + Object *container; + CheckFdcState state = { 0 }; + + for (i = 0; i < ARRAY_SIZE(fdc_container_path); i++) { + container = container_get(qdev_get_machine(), fdc_container_path[i]); + object_child_foreach(container, check_fdc, &state); + } + + if (state.multiple) { + error_report("warning: multiple floppy disk controllers with " + "iobase=0x3f0 have been found"); + error_printf("the one being picked for CMOS setup might not reflect " + "your intent"); + } + + return state.floppy; +} + static void pc_cmos_init_late(void *opaque) { pc_cmos_init_late_arg *arg = opaque; @@ -377,8 +394,6 @@ static void pc_cmos_init_late(void *opaque) int8_t heads, sectors; int val; int i, trans; - Object *container; - CheckFdcState state = { 0 }; val = 0; if (ide_get_geometry(arg->idebus[0], 0, @@ -408,46 +423,28 @@ static void pc_cmos_init_late(void *opaque) } rtc_set_memory(s, 0x39, val); - /* - * Locate the FDC at IO address 0x3f0, and configure the CMOS registers - * accordingly. - */ - for (i = 0; i < ARRAY_SIZE(fdc_container_path); i++) { - container = container_get(qdev_get_machine(), fdc_container_path[i]); - object_child_foreach(container, check_fdc, &state); - } - - if (state.multiple) { - error_report("warning: multiple floppy disk controllers with " - "iobase=0x3f0 have been found;\n" - "the one being picked for CMOS setup might not reflect " - "your intent"); - } - pc_cmos_init_floppy(s, state.floppy); + pc_cmos_init_floppy(s, pc_find_fdc0()); qemu_unregister_reset(pc_cmos_init_late, opaque); } -void pc_cmos_init(ram_addr_t ram_size, ram_addr_t above_4g_mem_size, - const char *boot_device, MachineState *machine, +void pc_cmos_init(PCMachineState *pcms, BusState *idebus0, BusState *idebus1, ISADevice *s) { int val; static pc_cmos_init_late_arg arg; - PCMachineState *pc_machine = PC_MACHINE(machine); - Error *local_err = NULL; /* various important CMOS locations needed by PC/Bochs bios */ /* memory size */ /* base memory (first MiB) */ - val = MIN(ram_size / 1024, 640); + val = MIN(pcms->below_4g_mem_size / 1024, 640); rtc_set_memory(s, 0x15, val); rtc_set_memory(s, 0x16, val >> 8); /* extended memory (next 64MiB) */ - if (ram_size > 1024 * 1024) { - val = (ram_size - 1024 * 1024) / 1024; + if (pcms->below_4g_mem_size > 1024 * 1024) { + val = (pcms->below_4g_mem_size - 1024 * 1024) / 1024; } else { val = 0; } @@ -458,8 +455,8 @@ void pc_cmos_init(ram_addr_t ram_size, ram_addr_t above_4g_mem_size, rtc_set_memory(s, 0x30, val); rtc_set_memory(s, 0x31, val >> 8); /* memory between 16MiB and 4GiB */ - if (ram_size > 16 * 1024 * 1024) { - val = (ram_size - 16 * 1024 * 1024) / 65536; + if (pcms->below_4g_mem_size > 16 * 1024 * 1024) { + val = (pcms->below_4g_mem_size - 16 * 1024 * 1024) / 65536; } else { val = 0; } @@ -468,7 +465,7 @@ void pc_cmos_init(ram_addr_t ram_size, ram_addr_t above_4g_mem_size, rtc_set_memory(s, 0x34, val); rtc_set_memory(s, 0x35, val >> 8); /* memory above 4GiB */ - val = above_4g_mem_size / 65536; + val = pcms->above_4g_mem_size / 65536; rtc_set_memory(s, 0x5b, val); rtc_set_memory(s, 0x5c, val >> 8); rtc_set_memory(s, 0x5d, val >> 16); @@ -476,19 +473,15 @@ void pc_cmos_init(ram_addr_t ram_size, ram_addr_t above_4g_mem_size, /* set the number of CPU */ rtc_set_memory(s, 0x5f, smp_cpus - 1); - object_property_add_link(OBJECT(machine), "rtc_state", + object_property_add_link(OBJECT(pcms), "rtc_state", TYPE_ISA_DEVICE, - (Object **)&pc_machine->rtc, + (Object **)&pcms->rtc, object_property_allow_set_link, OBJ_PROP_LINK_UNREF_ON_RELEASE, &error_abort); - object_property_set_link(OBJECT(machine), OBJECT(s), + object_property_set_link(OBJECT(pcms), OBJECT(s), "rtc_state", &error_abort); - set_boot_dev(s, boot_device, &local_err); - if (local_err) { - error_report_err(local_err); - exit(1); - } + set_boot_dev(s, MACHINE(pcms)->boot_order, &error_fatal); val = 0; val |= 0x02; /* FPU is there */ @@ -706,28 +699,51 @@ static uint32_t x86_cpu_apic_id_from_index(unsigned int cpu_index) } } -/* Calculates the limit to CPU APIC ID values - * - * This function returns the limit for the APIC ID value, so that all - * CPU APIC IDs are < pc_apic_id_limit(). - * - * This is used for FW_CFG_MAX_CPUS. See comments on bochs_bios_init(). - */ -static unsigned int pc_apic_id_limit(unsigned int max_cpus) +static void pc_build_smbios(FWCfgState *fw_cfg) { - return x86_cpu_apic_id_from_index(max_cpus - 1) + 1; + uint8_t *smbios_tables, *smbios_anchor; + size_t smbios_tables_len, smbios_anchor_len; + struct smbios_phys_mem_area *mem_array; + unsigned i, array_count; + + smbios_tables = smbios_get_table_legacy(&smbios_tables_len); + if (smbios_tables) { + fw_cfg_add_bytes(fw_cfg, FW_CFG_SMBIOS_ENTRIES, + smbios_tables, smbios_tables_len); + } + + /* build the array of physical mem area from e820 table */ + mem_array = g_malloc0(sizeof(*mem_array) * e820_get_num_entries()); + for (i = 0, array_count = 0; i < e820_get_num_entries(); i++) { + uint64_t addr, len; + + if (e820_get_entry(i, E820_RAM, &addr, &len)) { + mem_array[array_count].address = addr; + mem_array[array_count].length = len; + array_count++; + } + } + smbios_get_tables(mem_array, array_count, + &smbios_tables, &smbios_tables_len, + &smbios_anchor, &smbios_anchor_len); + g_free(mem_array); + + if (smbios_anchor) { + fw_cfg_add_file(fw_cfg, "etc/smbios/smbios-tables", + smbios_tables, smbios_tables_len); + fw_cfg_add_file(fw_cfg, "etc/smbios/smbios-anchor", + smbios_anchor, smbios_anchor_len); + } } -static FWCfgState *bochs_bios_init(void) +static FWCfgState *bochs_bios_init(AddressSpace *as, PCMachineState *pcms) { FWCfgState *fw_cfg; - uint8_t *smbios_tables, *smbios_anchor; - size_t smbios_tables_len, smbios_anchor_len; uint64_t *numa_fw_cfg; int i, j; - unsigned int apic_id_limit = pc_apic_id_limit(max_cpus); - fw_cfg = fw_cfg_init_io(BIOS_CFG_IOPORT); + fw_cfg = fw_cfg_init_io_dma(FW_CFG_IO_BASE, FW_CFG_IO_BASE + 4, as); + /* FW_CFG_MAX_CPUS is a bit confusing/problematic on x86: * * SeaBIOS needs FW_CFG_MAX_CPUS for CPU hotplug, but the CPU hotplug @@ -742,26 +758,13 @@ static FWCfgState *bochs_bios_init(void) * [1] The only kind of "CPU identifier" used between SeaBIOS and QEMU is * the APIC ID, not the "CPU index" */ - fw_cfg_add_i16(fw_cfg, FW_CFG_MAX_CPUS, (uint16_t)apic_id_limit); + fw_cfg_add_i16(fw_cfg, FW_CFG_MAX_CPUS, (uint16_t)pcms->apic_id_limit); fw_cfg_add_i64(fw_cfg, FW_CFG_RAM_SIZE, (uint64_t)ram_size); fw_cfg_add_bytes(fw_cfg, FW_CFG_ACPI_TABLES, acpi_tables, acpi_tables_len); fw_cfg_add_i32(fw_cfg, FW_CFG_IRQ0_OVERRIDE, kvm_allows_irq0_override()); - smbios_tables = smbios_get_table_legacy(&smbios_tables_len); - if (smbios_tables) { - fw_cfg_add_bytes(fw_cfg, FW_CFG_SMBIOS_ENTRIES, - smbios_tables, smbios_tables_len); - } - - smbios_get_tables(&smbios_tables, &smbios_tables_len, - &smbios_anchor, &smbios_anchor_len); - if (smbios_anchor) { - fw_cfg_add_file(fw_cfg, "etc/smbios/smbios-tables", - smbios_tables, smbios_tables_len); - fw_cfg_add_file(fw_cfg, "etc/smbios/smbios-anchor", - smbios_anchor, smbios_anchor_len); - } + pc_build_smbios(fw_cfg); fw_cfg_add_bytes(fw_cfg, FW_CFG_E820_TABLE, &e820_reserve, sizeof(e820_reserve)); @@ -773,11 +776,11 @@ static FWCfgState *bochs_bios_init(void) * of nodes, one word for each VCPU->node and one word for each node to * hold the amount of memory. */ - numa_fw_cfg = g_new0(uint64_t, 1 + apic_id_limit + nb_numa_nodes); + numa_fw_cfg = g_new0(uint64_t, 1 + pcms->apic_id_limit + nb_numa_nodes); numa_fw_cfg[0] = cpu_to_le64(nb_numa_nodes); for (i = 0; i < max_cpus; i++) { unsigned int apic_id = x86_cpu_apic_id_from_index(i); - assert(apic_id < apic_id_limit); + assert(apic_id < pcms->apic_id_limit); for (j = 0; j < nb_numa_nodes; j++) { if (test_bit(i, numa_info[j].node_cpu)) { numa_fw_cfg[apic_id + 1] = cpu_to_le64(j); @@ -786,10 +789,11 @@ static FWCfgState *bochs_bios_init(void) } } for (i = 0; i < nb_numa_nodes; i++) { - numa_fw_cfg[apic_id_limit + 1 + i] = cpu_to_le64(numa_info[i].node_mem); + numa_fw_cfg[pcms->apic_id_limit + 1 + i] = + cpu_to_le64(numa_info[i].node_mem); } fw_cfg_add_bytes(fw_cfg, FW_CFG_NUMA, numa_fw_cfg, - (1 + apic_id_limit + nb_numa_nodes) * + (1 + pcms->apic_id_limit + nb_numa_nodes) * sizeof(*numa_fw_cfg)); return fw_cfg; @@ -809,11 +813,8 @@ static long get_file_size(FILE *f) return size; } -static void load_linux(FWCfgState *fw_cfg, - const char *kernel_filename, - const char *initrd_filename, - const char *kernel_cmdline, - hwaddr max_ram_size) +static void load_linux(PCMachineState *pcms, + FWCfgState *fw_cfg) { uint16_t protocol; int setup_size, kernel_size, initrd_size = 0, cmdline_size; @@ -822,6 +823,11 @@ static void load_linux(FWCfgState *fw_cfg, hwaddr real_addr, prot_addr, cmdline_addr, initrd_addr = 0; FILE *f; char *vmode; + MachineState *machine = MACHINE(pcms); + PCMachineClass *pcmc = PC_MACHINE_GET_CLASS(pcms); + const char *kernel_filename = machine->kernel_filename; + const char *initrd_filename = machine->initrd_filename; + const char *kernel_cmdline = machine->kernel_cmdline; /* Align to 16 bytes as a paranoia measure */ cmdline_size = (strlen(kernel_cmdline)+16) & ~15; @@ -886,8 +892,8 @@ static void load_linux(FWCfgState *fw_cfg, initrd_max = 0x37ffffff; } - if (initrd_max >= max_ram_size - acpi_data_size) { - initrd_max = max_ram_size - acpi_data_size - 1; + if (initrd_max >= pcms->below_4g_mem_size - pcmc->acpi_data_size) { + initrd_max = pcms->below_4g_mem_size - pcmc->acpi_data_size - 1; } fw_cfg_add_i32(fw_cfg, FW_CFG_CMDLINE_ADDR, cmdline_addr); @@ -965,6 +971,10 @@ static void load_linux(FWCfgState *fw_cfg, setup_size = 4; } setup_size = (setup_size+1)*512; + if (setup_size > kernel_size) { + fprintf(stderr, "qemu: invalid kernel header\n"); + exit(1); + } kernel_size -= setup_size; setup = g_malloc(setup_size); @@ -1031,23 +1041,16 @@ void pc_acpi_smi_interrupt(void *opaque, int irq, int level) } static X86CPU *pc_new_cpu(const char *cpu_model, int64_t apic_id, - DeviceState *icc_bridge, Error **errp) + Error **errp) { X86CPU *cpu = NULL; Error *local_err = NULL; - if (icc_bridge == NULL) { - error_setg(&local_err, "Invalid icc-bridge value"); - goto out; - } - cpu = cpu_x86_create(cpu_model, &local_err); if (local_err != NULL) { goto out; } - qdev_set_parent_bus(DEVICE(cpu), qdev_get_child_bus(icc_bridge, "icc")); - object_property_set_int(OBJECT(cpu), apic_id, "apic-id", &local_err); object_property_set_bool(OBJECT(cpu), true, "realized", &local_err); @@ -1060,12 +1063,10 @@ out: return cpu; } -static const char *current_cpu_model; - void pc_hot_add_cpu(const int64_t id, Error **errp) { - DeviceState *icc_bridge; X86CPU *cpu; + MachineState *machine = MACHINE(qdev_get_machine()); int64_t apic_id = x86_cpu_apic_id_from_index(id); Error *local_err = NULL; @@ -1093,9 +1094,7 @@ void pc_hot_add_cpu(const int64_t id, Error **errp) return; } - icc_bridge = DEVICE(object_resolve_path_type("icc-bridge", - TYPE_ICC_BRIDGE, NULL)); - cpu = pc_new_cpu(current_cpu_model, apic_id, icc_bridge, &local_err); + cpu = pc_new_cpu(machine->cpu_model, apic_id, &local_err); if (local_err) { error_propagate(errp, local_err); return; @@ -1103,45 +1102,46 @@ void pc_hot_add_cpu(const int64_t id, Error **errp) object_unref(OBJECT(cpu)); } -void pc_cpus_init(const char *cpu_model, DeviceState *icc_bridge) +void pc_cpus_init(PCMachineState *pcms) { int i; X86CPU *cpu = NULL; - Error *error = NULL; - unsigned long apic_id_limit; + MachineState *machine = MACHINE(pcms); /* init CPUs */ - if (cpu_model == NULL) { + if (machine->cpu_model == NULL) { #ifdef TARGET_X86_64 - cpu_model = "qemu64"; + machine->cpu_model = "qemu64"; #else - cpu_model = "qemu32"; + machine->cpu_model = "qemu32"; #endif } - current_cpu_model = cpu_model; - apic_id_limit = pc_apic_id_limit(max_cpus); - if (apic_id_limit > ACPI_CPU_HOTPLUG_ID_LIMIT) { - error_report("max_cpus is too large. APIC ID of last CPU is %lu", - apic_id_limit - 1); + /* Calculates the limit to CPU APIC ID values + * + * Limit for the APIC ID value, so that all + * CPU APIC IDs are < pcms->apic_id_limit. + * + * This is used for FW_CFG_MAX_CPUS. See comments on bochs_bios_init(). + */ + pcms->apic_id_limit = x86_cpu_apic_id_from_index(max_cpus - 1) + 1; + if (pcms->apic_id_limit > ACPI_CPU_HOTPLUG_ID_LIMIT) { + error_report("max_cpus is too large. APIC ID of last CPU is %u", + pcms->apic_id_limit - 1); exit(1); } - for (i = 0; i < smp_cpus; i++) { - cpu = pc_new_cpu(cpu_model, x86_cpu_apic_id_from_index(i), - icc_bridge, &error); - if (error) { - error_report_err(error); - exit(1); + pcms->possible_cpus = g_malloc0(sizeof(CPUArchIdList) + + sizeof(CPUArchId) * max_cpus); + for (i = 0; i < max_cpus; i++) { + pcms->possible_cpus->cpus[i].arch_id = x86_cpu_apic_id_from_index(i); + pcms->possible_cpus->len++; + if (i < smp_cpus) { + cpu = pc_new_cpu(machine->cpu_model, x86_cpu_apic_id_from_index(i), + &error_fatal); + pcms->possible_cpus->cpus[i].cpu = CPU(cpu); + object_unref(OBJECT(cpu)); } - object_unref(OBJECT(cpu)); - } - - /* map APIC MMIO area if CPU has APIC */ - if (cpu && cpu->apic_state) { - /* XXX: what if the base changes? */ - sysbus_mmio_map_overlap(SYS_BUS_DEVICE(icc_bridge), 0, - APIC_DEFAULT_ADDRESS, 0x1000); } /* tell smbios about cpuid version and features */ @@ -1156,18 +1156,12 @@ typedef struct PcRomPciInfo { uint64_t w64_max; } PcRomPciInfo; -typedef struct PcGuestInfoState { - PcGuestInfo info; - Notifier machine_done; -} PcGuestInfoState; - static -void pc_guest_info_machine_done(Notifier *notifier, void *data) +void pc_machine_done(Notifier *notifier, void *data) { - PcGuestInfoState *guest_info_state = container_of(notifier, - PcGuestInfoState, - machine_done); - PCIBus *bus = find_i440fx(); + PCMachineState *pcms = container_of(notifier, + PCMachineState, machine_done); + PCIBus *bus = pcms->bus; if (bus) { int extra_hosts = 0; @@ -1178,52 +1172,45 @@ void pc_guest_info_machine_done(Notifier *notifier, void *data) extra_hosts++; } } - if (extra_hosts && guest_info_state->info.fw_cfg) { + if (extra_hosts && pcms->fw_cfg) { uint64_t *val = g_malloc(sizeof(*val)); *val = cpu_to_le64(extra_hosts); - fw_cfg_add_file(guest_info_state->info.fw_cfg, + fw_cfg_add_file(pcms->fw_cfg, "etc/extra-pci-roots", val, sizeof(*val)); } } - acpi_setup(&guest_info_state->info); + acpi_setup(); } -PcGuestInfo *pc_guest_info_init(ram_addr_t below_4g_mem_size, - ram_addr_t above_4g_mem_size) +void pc_guest_info_init(PCMachineState *pcms) { - PcGuestInfoState *guest_info_state = g_malloc0(sizeof *guest_info_state); - PcGuestInfo *guest_info = &guest_info_state->info; int i, j; - guest_info->ram_size_below_4g = below_4g_mem_size; - guest_info->ram_size = below_4g_mem_size + above_4g_mem_size; - guest_info->apic_id_limit = pc_apic_id_limit(max_cpus); - guest_info->apic_xrupt_override = kvm_allows_irq0_override(); - guest_info->numa_nodes = nb_numa_nodes; - guest_info->node_mem = g_malloc0(guest_info->numa_nodes * - sizeof *guest_info->node_mem); + pcms->apic_xrupt_override = kvm_allows_irq0_override(); + pcms->numa_nodes = nb_numa_nodes; + pcms->node_mem = g_malloc0(pcms->numa_nodes * + sizeof *pcms->node_mem); for (i = 0; i < nb_numa_nodes; i++) { - guest_info->node_mem[i] = numa_info[i].node_mem; + pcms->node_mem[i] = numa_info[i].node_mem; } - guest_info->node_cpu = g_malloc0(guest_info->apic_id_limit * - sizeof *guest_info->node_cpu); + pcms->node_cpu = g_malloc0(pcms->apic_id_limit * + sizeof *pcms->node_cpu); for (i = 0; i < max_cpus; i++) { unsigned int apic_id = x86_cpu_apic_id_from_index(i); - assert(apic_id < guest_info->apic_id_limit); + assert(apic_id < pcms->apic_id_limit); for (j = 0; j < nb_numa_nodes; j++) { if (test_bit(i, numa_info[j].node_cpu)) { - guest_info->node_cpu[apic_id] = j; + pcms->node_cpu[apic_id] = j; break; } } } - guest_info_state->machine_done.notify = pc_guest_info_machine_done; - qemu_add_machine_init_done_notifier(&guest_info_state->machine_done); - return guest_info; + pcms->machine_done.notify = pc_machine_done; + qemu_add_machine_init_done_notifier(&pcms->machine_done); } /* setup pci memory address space mapping into system address space */ @@ -1256,54 +1243,46 @@ void pc_acpi_init(const char *default_dsdt) acpi_table_add_builtin(opts, &err); if (err) { - error_report("WARNING: failed to load %s: %s", filename, - error_get_pretty(err)); - error_free(err); + error_reportf_err(err, "WARNING: failed to load %s: ", + filename); } g_free(filename); } } -FWCfgState *xen_load_linux(const char *kernel_filename, - const char *kernel_cmdline, - const char *initrd_filename, - ram_addr_t below_4g_mem_size, - PcGuestInfo *guest_info) +void xen_load_linux(PCMachineState *pcms) { int i; FWCfgState *fw_cfg; - assert(kernel_filename != NULL); + assert(MACHINE(pcms)->kernel_filename != NULL); - fw_cfg = fw_cfg_init_io(BIOS_CFG_IOPORT); + fw_cfg = fw_cfg_init_io(FW_CFG_IO_BASE); rom_set_fw(fw_cfg); - load_linux(fw_cfg, kernel_filename, initrd_filename, - kernel_cmdline, below_4g_mem_size); + load_linux(pcms, fw_cfg); for (i = 0; i < nb_option_roms; i++) { assert(!strcmp(option_rom[i].name, "linuxboot.bin") || !strcmp(option_rom[i].name, "multiboot.bin")); rom_add_option(option_rom[i].name, option_rom[i].bootindex); } - guest_info->fw_cfg = fw_cfg; - return fw_cfg; + pcms->fw_cfg = fw_cfg; } -FWCfgState *pc_memory_init(MachineState *machine, - MemoryRegion *system_memory, - ram_addr_t below_4g_mem_size, - ram_addr_t above_4g_mem_size, - MemoryRegion *rom_memory, - MemoryRegion **ram_memory, - PcGuestInfo *guest_info) +void pc_memory_init(PCMachineState *pcms, + MemoryRegion *system_memory, + MemoryRegion *rom_memory, + MemoryRegion **ram_memory) { int linux_boot, i; MemoryRegion *ram, *option_rom_mr; MemoryRegion *ram_below_4g, *ram_above_4g; FWCfgState *fw_cfg; - PCMachineState *pcms = PC_MACHINE(machine); + MachineState *machine = MACHINE(pcms); + PCMachineClass *pcmc = PC_MACHINE_GET_CLASS(pcms); - assert(machine->ram_size == below_4g_mem_size + above_4g_mem_size); + assert(machine->ram_size == pcms->below_4g_mem_size + + pcms->above_4g_mem_size); linux_boot = (machine->kernel_filename != NULL); @@ -1317,19 +1296,20 @@ FWCfgState *pc_memory_init(MachineState *machine, *ram_memory = ram; ram_below_4g = g_malloc(sizeof(*ram_below_4g)); memory_region_init_alias(ram_below_4g, NULL, "ram-below-4g", ram, - 0, below_4g_mem_size); + 0, pcms->below_4g_mem_size); memory_region_add_subregion(system_memory, 0, ram_below_4g); - e820_add_entry(0, below_4g_mem_size, E820_RAM); - if (above_4g_mem_size > 0) { + e820_add_entry(0, pcms->below_4g_mem_size, E820_RAM); + if (pcms->above_4g_mem_size > 0) { ram_above_4g = g_malloc(sizeof(*ram_above_4g)); memory_region_init_alias(ram_above_4g, NULL, "ram-above-4g", ram, - below_4g_mem_size, above_4g_mem_size); + pcms->below_4g_mem_size, + pcms->above_4g_mem_size); memory_region_add_subregion(system_memory, 0x100000000ULL, ram_above_4g); - e820_add_entry(0x100000000ULL, above_4g_mem_size, E820_RAM); + e820_add_entry(0x100000000ULL, pcms->above_4g_mem_size, E820_RAM); } - if (!guest_info->has_reserved_memory && + if (!pcmc->has_reserved_memory && (machine->ram_slots || (machine->maxram_size > machine->ram_size))) { MachineClass *mc = MACHINE_GET_CLASS(machine); @@ -1340,7 +1320,7 @@ FWCfgState *pc_memory_init(MachineState *machine, } /* initialize hotplug memory address space */ - if (guest_info->has_reserved_memory && + if (pcmc->has_reserved_memory && (machine->ram_size < machine->maxram_size)) { ram_addr_t hotplug_mem_size = machine->maxram_size - machine->ram_size; @@ -1359,9 +1339,9 @@ FWCfgState *pc_memory_init(MachineState *machine, } pcms->hotplug_memory.base = - ROUND_UP(0x100000000ULL + above_4g_mem_size, 1ULL << 30); + ROUND_UP(0x100000000ULL + pcms->above_4g_mem_size, 1ULL << 30); - if (pcms->enforce_aligned_dimm) { + if (pcmc->enforce_aligned_dimm) { /* size hotplug region assuming 1G page max alignment per slot */ hotplug_mem_size += (1ULL << 30) * machine->ram_slots; } @@ -1380,36 +1360,41 @@ FWCfgState *pc_memory_init(MachineState *machine, } /* Initialize PC system firmware */ - pc_system_firmware_init(rom_memory, guest_info->isapc_ram_fw); + pc_system_firmware_init(rom_memory, !pcmc->pci_enabled); option_rom_mr = g_malloc(sizeof(*option_rom_mr)); memory_region_init_ram(option_rom_mr, NULL, "pc.rom", PC_ROM_SIZE, - &error_abort); + &error_fatal); vmstate_register_ram_global(option_rom_mr); memory_region_add_subregion_overlap(rom_memory, PC_ROM_MIN_VGA, option_rom_mr, 1); - fw_cfg = bochs_bios_init(); + fw_cfg = bochs_bios_init(&address_space_memory, pcms); + rom_set_fw(fw_cfg); - if (guest_info->has_reserved_memory && pcms->hotplug_memory.base) { + if (pcmc->has_reserved_memory && pcms->hotplug_memory.base) { uint64_t *val = g_malloc(sizeof(*val)); - *val = cpu_to_le64(ROUND_UP(pcms->hotplug_memory.base, 0x1ULL << 30)); + PCMachineClass *pcmc = PC_MACHINE_GET_CLASS(pcms); + uint64_t res_mem_end = pcms->hotplug_memory.base; + + if (!pcmc->broken_reserved_end) { + res_mem_end += memory_region_size(&pcms->hotplug_memory.mr); + } + *val = cpu_to_le64(ROUND_UP(res_mem_end, 0x1ULL << 30)); fw_cfg_add_file(fw_cfg, "etc/reserved-memory-end", val, sizeof(*val)); } if (linux_boot) { - load_linux(fw_cfg, machine->kernel_filename, machine->initrd_filename, - machine->kernel_cmdline, below_4g_mem_size); + load_linux(pcms, fw_cfg); } for (i = 0; i < nb_option_roms; i++) { rom_add_option(option_rom[i].name, option_rom[i].bootindex); } - guest_info->fw_cfg = fw_cfg; - return fw_cfg; + pcms->fw_cfg = fw_cfg; } qemu_irq pc_allocate_cpu_irq(void) @@ -1421,6 +1406,7 @@ DeviceState *pc_vga_init(ISABus *isa_bus, PCIBus *pci_bus) { DeviceState *dev = NULL; + rom_set_order_override(FW_CFG_ORDER_OVERRIDE_VGA); if (pci_bus) { PCIDevice *pcidev = pci_vga_init(pci_bus); dev = pcidev ? &pcidev->qdev : NULL; @@ -1428,18 +1414,10 @@ DeviceState *pc_vga_init(ISABus *isa_bus, PCIBus *pci_bus) ISADevice *isadev = isa_vga_init(isa_bus); dev = isadev ? DEVICE(isadev) : NULL; } + rom_reset_order_override(); return dev; } -static void cpu_request_exit(void *opaque, int irq, int level) -{ - CPUState *cpu = current_cpu; - - if (cpu && level) { - cpu_exit(cpu); - } -} - static const MemoryRegionOps ioport80_io_ops = { .write = ioport80_write, .read = ioport80_read, @@ -1464,7 +1442,7 @@ void pc_basic_device_init(ISABus *isa_bus, qemu_irq *gsi, ISADevice **rtc_state, bool create_fdctrl, bool no_vmport, - uint32 hpet_irqs) + uint32_t hpet_irqs) { int i; DriveInfo *fd[MAX_FD]; @@ -1474,7 +1452,6 @@ void pc_basic_device_init(ISABus *isa_bus, qemu_irq *gsi, qemu_irq rtc_irq = NULL; qemu_irq *a20_line; ISADevice *i8042, *port92, *vmmouse, *pit = NULL; - qemu_irq *cpu_exit_irq; MemoryRegion *ioport80_io = g_new(MemoryRegion, 1); MemoryRegion *ioportF0_io = g_new(MemoryRegion, 1); @@ -1519,7 +1496,7 @@ void pc_basic_device_init(ISABus *isa_bus, qemu_irq *gsi, qemu_register_boot_set(pc_boot_set, *rtc_state); if (!xen_enabled()) { - if (kvm_irqchip_in_kernel()) { + if (kvm_pit_in_kernel()) { pit = kvm_pit_init(isa_bus, 0x40); } else { pit = pit_init(isa_bus, 0x40, pit_isa_irq, pit_alt_irq); @@ -1551,8 +1528,7 @@ void pc_basic_device_init(ISABus *isa_bus, qemu_irq *gsi, port92 = isa_create_simple(isa_bus, "port92"); port92_init(port92, &a20_line[1]); - cpu_exit_irq = qemu_allocate_irqs(cpu_request_exit, NULL, 1); - DMA_init(0, cpu_exit_irq); + DMA_init(isa_bus, 0); for(i = 0; i < MAX_FD; i++) { fd[i] = drive_get(IF_FLOPPY, 0, i); @@ -1567,6 +1543,7 @@ void pc_nic_init(ISABus *isa_bus, PCIBus *pci_bus) { int i; + rom_set_order_override(FW_CFG_ORDER_OVERRIDE_NIC); for (i = 0; i < nb_nics; i++) { NICInfo *nd = &nd_table[i]; @@ -1576,6 +1553,7 @@ void pc_nic_init(ISABus *isa_bus, PCIBus *pci_bus) pci_nic_init_nofail(nd, pci_bus, "e1000", NULL); } } + rom_reset_order_override(); } void pc_pci_device_init(PCIBus *pci_bus) @@ -1595,7 +1573,7 @@ void ioapic_init_gsi(GSIState *gsi_state, const char *parent_name) SysBusDevice *d; unsigned int i; - if (kvm_irqchip_in_kernel()) { + if (kvm_ioapic_in_kernel()) { dev = qdev_create(NULL, "kvm-ioapic"); } else { dev = qdev_create(NULL, "ioapic"); @@ -1619,12 +1597,13 @@ static void pc_dimm_plug(HotplugHandler *hotplug_dev, HotplugHandlerClass *hhc; Error *local_err = NULL; PCMachineState *pcms = PC_MACHINE(hotplug_dev); + PCMachineClass *pcmc = PC_MACHINE_GET_CLASS(pcms); PCDIMMDevice *dimm = PC_DIMM(dev); PCDIMMDeviceClass *ddc = PC_DIMM_GET_CLASS(dimm); MemoryRegion *mr = ddc->get_memory_region(dimm); uint64_t align = TARGET_PAGE_SIZE; - if (memory_region_get_alignment(mr) && pcms->enforce_aligned_dimm) { + if (memory_region_get_alignment(mr) && pcmc->enforce_aligned_dimm) { align = memory_region_get_alignment(mr); } @@ -1689,9 +1668,19 @@ static void pc_dimm_unplug(HotplugHandler *hotplug_dev, error_propagate(errp, local_err); } +static int pc_apic_cmp(const void *a, const void *b) +{ + CPUArchId *apic_a = (CPUArchId *)a; + CPUArchId *apic_b = (CPUArchId *)b; + + return apic_a->arch_id - apic_b->arch_id; +} + static void pc_cpu_plug(HotplugHandler *hotplug_dev, DeviceState *dev, Error **errp) { + CPUClass *cc = CPU_GET_CLASS(dev); + CPUArchId apic_id, *found_cpu; HotplugHandlerClass *hhc; Error *local_err = NULL; PCMachineState *pcms = PC_MACHINE(hotplug_dev); @@ -1714,6 +1703,13 @@ static void pc_cpu_plug(HotplugHandler *hotplug_dev, /* increment the number of CPUs */ rtc_set_memory(pcms->rtc, 0x5f, rtc_get_memory(pcms->rtc, 0x5f) + 1); + + apic_id.arch_id = cc->get_arch_id(CPU(dev)); + found_cpu = bsearch(&apic_id, pcms->possible_cpus->cpus, + pcms->possible_cpus->len, sizeof(*pcms->possible_cpus->cpus), + pc_apic_cmp); + assert(found_cpu); + found_cpu->cpu = CPU(dev); out: error_propagate(errp, local_err); } @@ -1765,42 +1761,43 @@ static HotplugHandler *pc_get_hotpug_handler(MachineState *machine, } static void -pc_machine_get_hotplug_memory_region_size(Object *obj, Visitor *v, void *opaque, - const char *name, Error **errp) +pc_machine_get_hotplug_memory_region_size(Object *obj, Visitor *v, + const char *name, void *opaque, + Error **errp) { PCMachineState *pcms = PC_MACHINE(obj); int64_t value = memory_region_size(&pcms->hotplug_memory.mr); - visit_type_int(v, &value, name, errp); + visit_type_int(v, name, &value, errp); } static void pc_machine_get_max_ram_below_4g(Object *obj, Visitor *v, - void *opaque, const char *name, - Error **errp) + const char *name, void *opaque, + Error **errp) { PCMachineState *pcms = PC_MACHINE(obj); uint64_t value = pcms->max_ram_below_4g; - visit_type_size(v, &value, name, errp); + visit_type_size(v, name, &value, errp); } static void pc_machine_set_max_ram_below_4g(Object *obj, Visitor *v, - void *opaque, const char *name, - Error **errp) + const char *name, void *opaque, + Error **errp) { PCMachineState *pcms = PC_MACHINE(obj); Error *error = NULL; uint64_t value; - visit_type_size(v, &value, name, &error); + visit_type_size(v, name, &value, &error); if (error) { error_propagate(errp, error); return; } if (value > (1ULL << 32)) { - error_set(&error, ERROR_CLASS_GENERIC_ERROR, - "Machine option 'max-ram-below-4g=%"PRIu64 - "' expects size less than or equal to 4G", value); + error_setg(&error, + "Machine option 'max-ram-below-4g=%"PRIu64 + "' expects size less than or equal to 4G", value); error_propagate(errp, error); return; } @@ -1814,21 +1811,21 @@ static void pc_machine_set_max_ram_below_4g(Object *obj, Visitor *v, pcms->max_ram_below_4g = value; } -static void pc_machine_get_vmport(Object *obj, Visitor *v, void *opaque, - const char *name, Error **errp) +static void pc_machine_get_vmport(Object *obj, Visitor *v, const char *name, + void *opaque, Error **errp) { PCMachineState *pcms = PC_MACHINE(obj); OnOffAuto vmport = pcms->vmport; - visit_type_OnOffAuto(v, &vmport, name, errp); + visit_type_OnOffAuto(v, name, &vmport, errp); } -static void pc_machine_set_vmport(Object *obj, Visitor *v, void *opaque, - const char *name, Error **errp) +static void pc_machine_set_vmport(Object *obj, Visitor *v, const char *name, + void *opaque, Error **errp) { PCMachineState *pcms = PC_MACHINE(obj); - visit_type_OnOffAuto(v, &pcms->vmport, name, errp); + visit_type_OnOffAuto(v, name, &pcms->vmport, errp); } bool pc_machine_is_smm_enabled(PCMachineState *pcms) @@ -1856,28 +1853,35 @@ bool pc_machine_is_smm_enabled(PCMachineState *pcms) return false; } -static void pc_machine_get_smm(Object *obj, Visitor *v, void *opaque, - const char *name, Error **errp) +static void pc_machine_get_smm(Object *obj, Visitor *v, const char *name, + void *opaque, Error **errp) { PCMachineState *pcms = PC_MACHINE(obj); OnOffAuto smm = pcms->smm; - visit_type_OnOffAuto(v, &smm, name, errp); + visit_type_OnOffAuto(v, name, &smm, errp); +} + +static void pc_machine_set_smm(Object *obj, Visitor *v, const char *name, + void *opaque, Error **errp) +{ + PCMachineState *pcms = PC_MACHINE(obj); + + visit_type_OnOffAuto(v, name, &pcms->smm, errp); } -static void pc_machine_set_smm(Object *obj, Visitor *v, void *opaque, - const char *name, Error **errp) +static bool pc_machine_get_nvdimm(Object *obj, Error **errp) { PCMachineState *pcms = PC_MACHINE(obj); - visit_type_OnOffAuto(v, &pcms->smm, name, errp); + return pcms->acpi_nvdimm_state.is_enabled; } -static bool pc_machine_get_aligned_dimm(Object *obj, Error **errp) +static void pc_machine_set_nvdimm(Object *obj, bool value, Error **errp) { PCMachineState *pcms = PC_MACHINE(obj); - return pcms->enforce_aligned_dimm; + pcms->acpi_nvdimm_state.is_enabled = value; } static void pc_machine_initfn(Object *obj) @@ -1886,47 +1890,77 @@ static void pc_machine_initfn(Object *obj) object_property_add(obj, PC_MACHINE_MEMHP_REGION_SIZE, "int", pc_machine_get_hotplug_memory_region_size, - NULL, NULL, NULL, NULL); + NULL, NULL, NULL, &error_abort); pcms->max_ram_below_4g = 1ULL << 32; /* 4G */ object_property_add(obj, PC_MACHINE_MAX_RAM_BELOW_4G, "size", pc_machine_get_max_ram_below_4g, pc_machine_set_max_ram_below_4g, - NULL, NULL, NULL); + NULL, NULL, &error_abort); object_property_set_description(obj, PC_MACHINE_MAX_RAM_BELOW_4G, "Maximum ram below the 4G boundary (32bit boundary)", - NULL); + &error_abort); pcms->smm = ON_OFF_AUTO_AUTO; object_property_add(obj, PC_MACHINE_SMM, "OnOffAuto", pc_machine_get_smm, pc_machine_set_smm, - NULL, NULL, NULL); + NULL, NULL, &error_abort); object_property_set_description(obj, PC_MACHINE_SMM, "Enable SMM (pc & q35)", - NULL); + &error_abort); pcms->vmport = ON_OFF_AUTO_AUTO; object_property_add(obj, PC_MACHINE_VMPORT, "OnOffAuto", pc_machine_get_vmport, pc_machine_set_vmport, - NULL, NULL, NULL); + NULL, NULL, &error_abort); object_property_set_description(obj, PC_MACHINE_VMPORT, "Enable vmport (pc & q35)", - NULL); + &error_abort); + + /* nvdimm is disabled on default. */ + pcms->acpi_nvdimm_state.is_enabled = false; + object_property_add_bool(obj, PC_MACHINE_NVDIMM, pc_machine_get_nvdimm, + pc_machine_set_nvdimm, &error_abort); +} + +static void pc_machine_reset(void) +{ + CPUState *cs; + X86CPU *cpu; + + qemu_devices_reset(); + + /* Reset APIC after devices have been reset to cancel + * any changes that qemu_devices_reset() might have done. + */ + CPU_FOREACH(cs) { + cpu = X86_CPU(cs); - pcms->enforce_aligned_dimm = true; - object_property_add_bool(obj, PC_MACHINE_ENFORCE_ALIGNED_DIMM, - pc_machine_get_aligned_dimm, - NULL, NULL); + if (cpu->apic_state) { + device_reset(cpu->apic_state); + } + } } static unsigned pc_cpu_index_to_socket_id(unsigned cpu_index) { - unsigned pkg_id, core_id, smt_id; + X86CPUTopoInfo topo; x86_topo_ids_from_idx(smp_cores, smp_threads, cpu_index, - &pkg_id, &core_id, &smt_id); - return pkg_id; + &topo); + return topo.pkg_id; +} + +static CPUArchIdList *pc_possible_cpu_arch_ids(MachineState *machine) +{ + PCMachineState *pcms = PC_MACHINE(machine); + int len = sizeof(CPUArchIdList) + + sizeof(CPUArchId) * (pcms->possible_cpus->len); + CPUArchIdList *list = g_malloc(len); + + memcpy(list, pcms->possible_cpus, len); + return list; } static void pc_machine_class_init(ObjectClass *oc, void *data) @@ -1936,8 +1970,26 @@ static void pc_machine_class_init(ObjectClass *oc, void *data) HotplugHandlerClass *hc = HOTPLUG_HANDLER_CLASS(oc); pcmc->get_hotplug_handler = mc->get_hotplug_handler; + pcmc->pci_enabled = true; + pcmc->has_acpi_build = true; + pcmc->rsdp_in_ram = true; + pcmc->smbios_defaults = true; + pcmc->smbios_uuid_encoded = true; + pcmc->gigabyte_align = true; + pcmc->has_reserved_memory = true; + pcmc->kvmclock_enabled = true; + pcmc->enforce_aligned_dimm = true; + /* BIOS ACPI tables: 128K. Other BIOS datastructures: less than 4K reported + * to be used at the moment, 32K should be enough for a while. */ + pcmc->acpi_data_size = 0x20000 + 0x8000; + pcmc->save_tsc_khz = true; mc->get_hotplug_handler = pc_get_hotpug_handler; mc->cpu_index_to_socket_id = pc_cpu_index_to_socket_id; + mc->possible_cpu_arch_ids = pc_possible_cpu_arch_ids; + mc->default_boot_order = "cad"; + mc->hot_add_cpu = pc_hot_add_cpu; + mc->max_cpus = 255; + mc->reset = pc_machine_reset; hc->plug = pc_machine_device_plug_cb; hc->unplug_request = pc_machine_device_unplug_request_cb; hc->unplug = pc_machine_device_unplug_cb; |