Example #1
0
static void machine_numa_finish_init(MachineState *machine)
{
    int i;
    bool default_mapping;
    GString *s = g_string_new(NULL);
    MachineClass *mc = MACHINE_GET_CLASS(machine);
    const CPUArchIdList *possible_cpus = mc->possible_cpu_arch_ids(machine);

    assert(nb_numa_nodes);
    for (i = 0; i < possible_cpus->len; i++) {
        if (possible_cpus->cpus[i].props.has_node_id) {
            break;
        }
    }
    default_mapping = (i == possible_cpus->len);

    for (i = 0; i < possible_cpus->len; i++) {
        const CPUArchId *cpu_slot = &possible_cpus->cpus[i];

        if (!cpu_slot->props.has_node_id) {
            /* fetch default mapping from board and enable it */
            CpuInstanceProperties props = cpu_slot->props;

            props.node_id = mc->get_default_cpu_node_id(machine, i);
            if (!default_mapping) {
                /* record slots with not set mapping,
                 * TODO: make it hard error in future */
                char *cpu_str = cpu_slot_to_string(cpu_slot);
                g_string_append_printf(s, "%sCPU %d [%s]",
                                       s->len ? ", " : "", i, cpu_str);
                g_free(cpu_str);

                /* non mapped cpus used to fallback to node 0 */
                props.node_id = 0;
            }

            props.has_node_id = true;
            machine_set_cpu_numa_node(machine, &props, &error_fatal);
        }
    }
    if (s->len && !qtest_enabled()) {
        warn_report("CPU(s) not present in any NUMA nodes: %s",
                    s->str);
        warn_report("All CPU(s) up to maxcpus should be described "
                    "in NUMA config, ability to start up with partial NUMA "
                    "mappings is obsoleted and will be removed in future");
    }
    g_string_free(s, true);
}
Example #2
0
static void vexpress_modify_dtb(const struct arm_boot_info *info, void *fdt)
{
    uint32_t acells, scells, intc;
    const VEDBoardInfo *daughterboard = (const VEDBoardInfo *)info;

    acells = qemu_fdt_getprop_cell(fdt, "/", "#address-cells",
                                   0, 0, &error_fatal);
    scells = qemu_fdt_getprop_cell(fdt, "/", "#size-cells",
                                   0, 0, &error_fatal);
    intc = find_int_controller(fdt);
    if (!intc) {
        /* Not fatal, we just won't provide virtio. This will
         * happen with older device tree blobs.
         */
        warn_report("couldn't find interrupt controller in "
                    "dtb; will not include virtio-mmio devices in the dtb");
    } else {
        int i;
        const hwaddr *map = daughterboard->motherboard_map;

        /* We iterate backwards here because adding nodes
         * to the dtb puts them in last-first.
         */
        for (i = NUM_VIRTIO_TRANSPORTS - 1; i >= 0; i--) {
            add_virtio_mmio_node(fdt, acells, scells,
                                 map[VE_VIRTIO] + 0x200 * i,
                                 0x200, intc, 40 + i);
        }
    }
}
Example #3
0
static void check_consistency(const S390CPUModel *model)
{
    static int dep[][2] = {
        { S390_FEAT_IPTE_RANGE, S390_FEAT_DAT_ENH },
        { S390_FEAT_IDTE_SEGMENT, S390_FEAT_DAT_ENH },
        { S390_FEAT_IDTE_REGION, S390_FEAT_DAT_ENH },
        { S390_FEAT_IDTE_REGION, S390_FEAT_IDTE_SEGMENT },
        { S390_FEAT_LOCAL_TLB_CLEARING, S390_FEAT_DAT_ENH},
        { S390_FEAT_LONG_DISPLACEMENT_FAST, S390_FEAT_LONG_DISPLACEMENT },
        { S390_FEAT_DFP_FAST, S390_FEAT_DFP },
        { S390_FEAT_TRANSACTIONAL_EXE, S390_FEAT_STFLE_49 },
        { S390_FEAT_EDAT_2, S390_FEAT_EDAT},
        { S390_FEAT_MSA_EXT_5, S390_FEAT_KIMD_SHA_512 },
        { S390_FEAT_MSA_EXT_5, S390_FEAT_KLMD_SHA_512 },
        { S390_FEAT_MSA_EXT_4, S390_FEAT_MSA_EXT_3 },
        { S390_FEAT_SIE_CMMA, S390_FEAT_CMM },
        { S390_FEAT_SIE_CMMA, S390_FEAT_SIE_GSLS },
        { S390_FEAT_SIE_PFMFI, S390_FEAT_EDAT },
        { S390_FEAT_MSA_EXT_8, S390_FEAT_MSA_EXT_3 },
        { S390_FEAT_MULTIPLE_EPOCH, S390_FEAT_TOD_CLOCK_STEERING },
        { S390_FEAT_VECTOR_PACKED_DECIMAL, S390_FEAT_VECTOR },
        { S390_FEAT_VECTOR_ENH, S390_FEAT_VECTOR },
        { S390_FEAT_INSTRUCTION_EXEC_PROT, S390_FEAT_SIDE_EFFECT_ACCESS_ESOP2 },
        { S390_FEAT_SIDE_EFFECT_ACCESS_ESOP2, S390_FEAT_ESOP },
        { S390_FEAT_CMM_NT, S390_FEAT_CMM },
        { S390_FEAT_GUARDED_STORAGE, S390_FEAT_SIDE_EFFECT_ACCESS_ESOP2 },
        { S390_FEAT_MULTIPLE_EPOCH, S390_FEAT_STORE_CLOCK_FAST },
        { S390_FEAT_MULTIPLE_EPOCH, S390_FEAT_TOD_CLOCK_STEERING },
        { S390_FEAT_SEMAPHORE_ASSIST, S390_FEAT_STFLE_49 },
        { S390_FEAT_KIMD_SHA3_224, S390_FEAT_MSA },
        { S390_FEAT_KIMD_SHA3_256, S390_FEAT_MSA },
        { S390_FEAT_KIMD_SHA3_384, S390_FEAT_MSA },
        { S390_FEAT_KIMD_SHA3_512, S390_FEAT_MSA },
        { S390_FEAT_KIMD_SHAKE_128, S390_FEAT_MSA },
        { S390_FEAT_KIMD_SHAKE_256, S390_FEAT_MSA },
        { S390_FEAT_KLMD_SHA3_224, S390_FEAT_MSA },
        { S390_FEAT_KLMD_SHA3_256, S390_FEAT_MSA },
        { S390_FEAT_KLMD_SHA3_384, S390_FEAT_MSA },
        { S390_FEAT_KLMD_SHA3_512, S390_FEAT_MSA },
        { S390_FEAT_KLMD_SHAKE_128, S390_FEAT_MSA },
        { S390_FEAT_KLMD_SHAKE_256, S390_FEAT_MSA },
        { S390_FEAT_PRNO_TRNG_QRTCR, S390_FEAT_MSA_EXT_5 },
        { S390_FEAT_PRNO_TRNG, S390_FEAT_MSA_EXT_5 },
        { S390_FEAT_SIE_KSS, S390_FEAT_SIE_F2 },
    };
    int i;

    for (i = 0; i < ARRAY_SIZE(dep); i++) {
        if (test_bit(dep[i][0], model->features) &&
            !test_bit(dep[i][1], model->features)) {
            warn_report("\'%s\' requires \'%s\'.",
                        s390_feat_def(dep[i][0])->name,
                        s390_feat_def(dep[i][1])->name);
        }
    }
}
Example #4
0
static void virtio_balloon_receive_stats(VirtIODevice *vdev, VirtQueue *vq)
{
    VirtIOBalloon *s = VIRTIO_BALLOON(vdev);
    VirtQueueElement *elem;
    VirtIOBalloonStat stat;
    size_t offset = 0;
    qemu_timeval tv;

    elem = virtqueue_pop(vq, sizeof(VirtQueueElement));
    if (!elem) {
        goto out;
    }

    if (s->stats_vq_elem != NULL) {
        /* This should never happen if the driver follows the spec. */
        virtqueue_push(vq, s->stats_vq_elem, 0);
        virtio_notify(vdev, vq);
        g_free(s->stats_vq_elem);
    }

    s->stats_vq_elem = elem;

    /* Initialize the stats to get rid of any stale values.  This is only
     * needed to handle the case where a guest supports fewer stats than it
     * used to (ie. it has booted into an old kernel).
     */
    reset_stats(s);

    while (iov_to_buf(elem->out_sg, elem->out_num, offset, &stat, sizeof(stat))
           == sizeof(stat)) {
        uint16_t tag = virtio_tswap16(vdev, stat.tag);
        uint64_t val = virtio_tswap64(vdev, stat.val);

        offset += sizeof(stat);
        if (tag < VIRTIO_BALLOON_S_NR)
            s->stats[tag] = val;
    }
    s->stats_vq_offset = offset;

    if (qemu_gettimeofday(&tv) < 0) {
        warn_report("%s: failed to get time of day", __func__);
        goto out;
    }

    s->stats_last_update = tv.tv_sec;

out:
    if (balloon_stats_enabled(s)) {
        balloon_stats_change_timer(s, s->stats_poll_interval);
    }
}
Example #5
0
int keysym2scancode(kbd_layout_t *k, int keysym,
                    bool shift, bool altgr, bool ctrl)
{
    static const uint32_t mask =
        SCANCODE_SHIFT | SCANCODE_ALTGR | SCANCODE_CTRL;
    uint32_t mods, i;
    struct keysym2code *keysym2code;

#ifdef XK_ISO_Left_Tab
    if (keysym == XK_ISO_Left_Tab) {
        keysym = XK_Tab;
    }
#endif

    keysym2code = g_hash_table_lookup(k->hash, GINT_TO_POINTER(keysym));
    if (!keysym2code) {
        trace_keymap_unmapped(keysym);
        warn_report("no scancode found for keysym %d", keysym);
        return 0;
    }

    if (keysym2code->count == 1) {
        return keysym2code->keycodes[0];
    }

    /*
     * We have multiple keysym -> keycode mappings.
     *
     * Check whenever we find one mapping where the modifier state of
     * the mapping matches the current user interface modifier state.
     * If so, prefer that one.
     */
    mods = 0;
    if (shift) {
        mods |= SCANCODE_SHIFT;
    }
    if (altgr) {
        mods |= SCANCODE_ALTGR;
    }
    if (ctrl) {
        mods |= SCANCODE_CTRL;
    }

    for (i = 0; i < keysym2code->count; i++) {
        if ((keysym2code->keycodes[i] & mask) == mods) {
            return keysym2code->keycodes[i];
        }
    }
    return keysym2code->keycodes[0];
}
Example #6
0
static void balloon_deflate_page(VirtIOBalloon *balloon,
                                 MemoryRegion *mr, hwaddr offset)
{
    void *addr = memory_region_get_ram_ptr(mr) + offset;
    RAMBlock *rb;
    size_t rb_page_size;
    ram_addr_t ram_offset, host_page_base;
    void *host_addr;
    int ret;

    /* XXX is there a better way to get to the RAMBlock than via a
     * host address? */
    rb = qemu_ram_block_from_host(addr, false, &ram_offset);
    rb_page_size = qemu_ram_pagesize(rb);
    host_page_base = ram_offset & ~(rb_page_size - 1);

    if (balloon->pbp
        && rb == balloon->pbp->rb
        && host_page_base == balloon->pbp->base) {
        int subpages = rb_page_size / BALLOON_PAGE_SIZE;

        /*
         * This means the guest has asked to discard some of the 4kiB
         * subpages of a host page, but then changed its mind and
         * asked to keep them after all.  It's exceedingly unlikely
         * for a guest to do this in practice, but handle it anyway,
         * since getting it wrong could mean discarding memory the
         * guest is still using. */
        bitmap_clear(balloon->pbp->bitmap,
                     (ram_offset - balloon->pbp->base) / BALLOON_PAGE_SIZE,
                     subpages);

        if (bitmap_empty(balloon->pbp->bitmap, subpages)) {
            g_free(balloon->pbp);
            balloon->pbp = NULL;
        }
    }

    host_addr = (void *)((uintptr_t)addr & ~(rb_page_size - 1));

    /* When a page is deflated, we hint the whole host page it lives
     * on, since we can't do anything smaller */
    ret = qemu_madvise(host_addr, rb_page_size, QEMU_MADV_WILLNEED);
    if (ret != 0) {
        warn_report("Couldn't MADV_WILLNEED on balloon deflate: %s",
                    strerror(errno));
        /* Otherwise ignore, failing to page hint shouldn't be fatal */
    }
}
Example #7
0
/*
 * helper to parse debug environment variables
 */
int parse_debug_env(const char *name, int max, int initial)
{
    char *debug_env = getenv(name);
    char *inv = NULL;
    long debug;

    if (!debug_env) {
        return initial;
    }
    errno = 0;
    debug = strtol(debug_env, &inv, 10);
    if (inv == debug_env) {
        return initial;
    }
    if (debug < 0 || debug > max || errno != 0) {
        warn_report("%s not in [0, %d]", name, max);
        return initial;
    }
    return debug;
}
Example #8
0
static int ast2500_rambits(AspeedSDMCState *s)
{
    switch (s->ram_size >> 20) {
    case 128:
        return ASPEED_SDMC_AST2500_128MB;
    case 256:
        return ASPEED_SDMC_AST2500_256MB;
    case 512:
        return ASPEED_SDMC_AST2500_512MB;
    case 1024:
        return ASPEED_SDMC_AST2500_1024MB;
    default:
        break;
    }

    /* use a common default */
    warn_report("Invalid RAM size 0x%" PRIx64 ". Using default 512M",
                s->ram_size);
    s->ram_size = 512 << 20;
    return ASPEED_SDMC_AST2500_512MB;
}
Example #9
0
static void add_keysym(char *line, int keysym, int keycode, kbd_layout_t *k)
{
    struct keysym2code *keysym2code;

    keysym2code = g_hash_table_lookup(k->hash, GINT_TO_POINTER(keysym));
    if (keysym2code) {
        if (keysym2code->count < ARRAY_SIZE(keysym2code->keycodes)) {
            keysym2code->keycodes[keysym2code->count++] = keycode;
        } else {
            warn_report("more than %zd keycodes for keysym %d",
                        ARRAY_SIZE(keysym2code->keycodes), keysym);
        }
        return;
    }

    keysym2code = g_new0(struct keysym2code, 1);
    keysym2code->keycodes[0] = keycode;
    keysym2code->count = 1;
    g_hash_table_replace(k->hash, GINT_TO_POINTER(keysym), keysym2code);
    trace_keymap_add(keysym, keycode, line);
}
Example #10
0
/* Check whether this OS version supports VSS providers */
static bool vss_check_os_version(void)
{
    OSVERSIONINFO OSver;

    OSver.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
    GetVersionEx(&OSver);
    if ((OSver.dwMajorVersion == 5 && OSver.dwMinorVersion >= 2) ||
       OSver.dwMajorVersion > 5) {
        BOOL wow64 = false;
#ifndef _WIN64
        /* Provider doesn't work under WOW64 (32bit agent on 64bit OS) */
        if (!IsWow64Process(GetCurrentProcess(), &wow64)) {
            fprintf(stderr, "failed to IsWow64Process (Error: %lx\n)\n",
                    GetLastError());
            return false;
        }
        if (wow64) {
            warn_report("Running under WOW64");
        }
#endif
        return !wow64;
    }
    return false;
}
Example #11
0
/* ram_size must be set to match the upper bound of memory in the
 * device tree (linux/arch/arm/boot/dts/highbank.dts), which is
 * normally 0xff900000 or -m 4089. When running this board on a
 * 32-bit host, set the reg value of memory to 0xf7ff00000 in the
 * device tree and pass -m 2047 to QEMU.
 */
static void calxeda_init(MachineState *machine, enum cxmachines machine_id)
{
    ram_addr_t ram_size = machine->ram_size;
    const char *kernel_filename = machine->kernel_filename;
    const char *kernel_cmdline = machine->kernel_cmdline;
    const char *initrd_filename = machine->initrd_filename;
    DeviceState *dev = NULL;
    SysBusDevice *busdev;
    qemu_irq pic[128];
    int n;
    qemu_irq cpu_irq[4];
    qemu_irq cpu_fiq[4];
    MemoryRegion *sysram;
    MemoryRegion *dram;
    MemoryRegion *sysmem;
    char *sysboot_filename;

    switch (machine_id) {
    case CALXEDA_HIGHBANK:
        machine->cpu_type = ARM_CPU_TYPE_NAME("cortex-a9");
        break;
    case CALXEDA_MIDWAY:
        machine->cpu_type = ARM_CPU_TYPE_NAME("cortex-a15");
        break;
    default:
        assert(0);
    }

    for (n = 0; n < smp_cpus; n++) {
        Object *cpuobj;
        ARMCPU *cpu;

        cpuobj = object_new(machine->cpu_type);
        cpu = ARM_CPU(cpuobj);

        object_property_set_int(cpuobj, QEMU_PSCI_CONDUIT_SMC,
                                "psci-conduit", &error_abort);

        if (n) {
            /* Secondary CPUs start in PSCI powered-down state */
            object_property_set_bool(cpuobj, true,
                                     "start-powered-off", &error_abort);
        }

        if (object_property_find(cpuobj, "reset-cbar", NULL)) {
            object_property_set_int(cpuobj, MPCORE_PERIPHBASE,
                                    "reset-cbar", &error_abort);
        }
        object_property_set_bool(cpuobj, true, "realized", &error_fatal);
        cpu_irq[n] = qdev_get_gpio_in(DEVICE(cpu), ARM_CPU_IRQ);
        cpu_fiq[n] = qdev_get_gpio_in(DEVICE(cpu), ARM_CPU_FIQ);
    }

    sysmem = get_system_memory();
    dram = g_new(MemoryRegion, 1);
    memory_region_allocate_system_memory(dram, NULL, "highbank.dram", ram_size);
    /* SDRAM at address zero.  */
    memory_region_add_subregion(sysmem, 0, dram);

    sysram = g_new(MemoryRegion, 1);
    memory_region_init_ram_nomigrate(sysram, NULL, "highbank.sysram", 0x8000,
                           &error_fatal);
    memory_region_add_subregion(sysmem, 0xfff88000, sysram);
    if (bios_name != NULL) {
        sysboot_filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name);
        if (sysboot_filename != NULL) {
            if (load_image_targphys(sysboot_filename, 0xfff88000, 0x8000) < 0) {
                error_report("Unable to load %s", bios_name);
                exit(1);
            }
            g_free(sysboot_filename);
        } else {
            error_report("Unable to find %s", bios_name);
            exit(1);
        }
    }

    switch (machine_id) {
    case CALXEDA_HIGHBANK:
        dev = qdev_create(NULL, "l2x0");
        qdev_init_nofail(dev);
        busdev = SYS_BUS_DEVICE(dev);
        sysbus_mmio_map(busdev, 0, 0xfff12000);

        dev = qdev_create(NULL, TYPE_A9MPCORE_PRIV);
        break;
    case CALXEDA_MIDWAY:
        dev = qdev_create(NULL, TYPE_A15MPCORE_PRIV);
        break;
    }
    qdev_prop_set_uint32(dev, "num-cpu", smp_cpus);
    qdev_prop_set_uint32(dev, "num-irq", NIRQ_GIC);
    qdev_init_nofail(dev);
    busdev = SYS_BUS_DEVICE(dev);
    sysbus_mmio_map(busdev, 0, MPCORE_PERIPHBASE);
    for (n = 0; n < smp_cpus; n++) {
        sysbus_connect_irq(busdev, n, cpu_irq[n]);
        sysbus_connect_irq(busdev, n + smp_cpus, cpu_fiq[n]);
    }

    for (n = 0; n < 128; n++) {
        pic[n] = qdev_get_gpio_in(dev, n);
    }

    dev = qdev_create(NULL, "sp804");
    qdev_prop_set_uint32(dev, "freq0", 150000000);
    qdev_prop_set_uint32(dev, "freq1", 150000000);
    qdev_init_nofail(dev);
    busdev = SYS_BUS_DEVICE(dev);
    sysbus_mmio_map(busdev, 0, 0xfff34000);
    sysbus_connect_irq(busdev, 0, pic[18]);
    pl011_create(0xfff36000, pic[20], serial_hds[0]);

    dev = qdev_create(NULL, TYPE_HIGHBANK_REGISTERS);
    qdev_init_nofail(dev);
    busdev = SYS_BUS_DEVICE(dev);
    sysbus_mmio_map(busdev, 0, 0xfff3c000);

    sysbus_create_simple("pl061", 0xfff30000, pic[14]);
    sysbus_create_simple("pl061", 0xfff31000, pic[15]);
    sysbus_create_simple("pl061", 0xfff32000, pic[16]);
    sysbus_create_simple("pl061", 0xfff33000, pic[17]);
    sysbus_create_simple("pl031", 0xfff35000, pic[19]);
    sysbus_create_simple("pl022", 0xfff39000, pic[23]);

    sysbus_create_simple(TYPE_SYSBUS_AHCI, 0xffe08000, pic[83]);

    if (nd_table[0].used) {
        qemu_check_nic_model(&nd_table[0], "xgmac");
        dev = qdev_create(NULL, "xgmac");
        qdev_set_nic_properties(dev, &nd_table[0]);
        qdev_init_nofail(dev);
        sysbus_mmio_map(SYS_BUS_DEVICE(dev), 0, 0xfff50000);
        sysbus_connect_irq(SYS_BUS_DEVICE(dev), 0, pic[77]);
        sysbus_connect_irq(SYS_BUS_DEVICE(dev), 1, pic[78]);
        sysbus_connect_irq(SYS_BUS_DEVICE(dev), 2, pic[79]);

        qemu_check_nic_model(&nd_table[1], "xgmac");
        dev = qdev_create(NULL, "xgmac");
        qdev_set_nic_properties(dev, &nd_table[1]);
        qdev_init_nofail(dev);
        sysbus_mmio_map(SYS_BUS_DEVICE(dev), 0, 0xfff51000);
        sysbus_connect_irq(SYS_BUS_DEVICE(dev), 0, pic[80]);
        sysbus_connect_irq(SYS_BUS_DEVICE(dev), 1, pic[81]);
        sysbus_connect_irq(SYS_BUS_DEVICE(dev), 2, pic[82]);
    }

    /* TODO create and connect IDE devices for ide_drive_get() */

    highbank_binfo.ram_size = ram_size;
    highbank_binfo.kernel_filename = kernel_filename;
    highbank_binfo.kernel_cmdline = kernel_cmdline;
    highbank_binfo.initrd_filename = initrd_filename;
    /* highbank requires a dtb in order to boot, and the dtb will override
     * the board ID. The following value is ignored, so set it to -1 to be
     * clear that the value is meaningless.
     */
    highbank_binfo.board_id = -1;
    highbank_binfo.nb_cpus = smp_cpus;
    highbank_binfo.loader_start = 0;
    highbank_binfo.write_secondary_boot = hb_write_secondary;
    highbank_binfo.secondary_cpu_reset_hook = hb_reset_secondary;
    if (!kvm_enabled()) {
        highbank_binfo.board_setup_addr = BOARD_SETUP_ADDR;
        highbank_binfo.write_board_setup = hb_write_board_setup;
        highbank_binfo.secure_board_setup = true;
    } else {
        warn_report("cannot load built-in Monitor support "
                    "if KVM is enabled. Some guests (such as Linux) "
                    "may not boot.");
    }

    arm_load_kernel(ARM_CPU(first_cpu), &highbank_binfo);
}
Example #12
0
File: pnv.c Project: 8tab/qemu
/*
 * The PowerNV cores (and threads) need to use real HW ids and not an
 * incremental index like it has been done on other platforms. This HW
 * id is stored in the CPU PIR, it is used to create cpu nodes in the
 * device tree, used in XSCOM to address cores and in interrupt
 * servers.
 */
static void powernv_create_core_node(PnvChip *chip, PnvCore *pc, void *fdt)
{
    CPUState *cs = CPU(DEVICE(pc->threads));
    DeviceClass *dc = DEVICE_GET_CLASS(cs);
    PowerPCCPU *cpu = POWERPC_CPU(cs);
    int smt_threads = CPU_CORE(pc)->nr_threads;
    CPUPPCState *env = &cpu->env;
    PowerPCCPUClass *pcc = POWERPC_CPU_GET_CLASS(cs);
    uint32_t servers_prop[smt_threads];
    int i;
    uint32_t segs[] = {cpu_to_be32(28), cpu_to_be32(40),
                       0xffffffff, 0xffffffff};
    uint32_t tbfreq = PNV_TIMEBASE_FREQ;
    uint32_t cpufreq = 1000000000;
    uint32_t page_sizes_prop[64];
    size_t page_sizes_prop_size;
    const uint8_t pa_features[] = { 24, 0,
                                    0xf6, 0x3f, 0xc7, 0xc0, 0x80, 0xf0,
                                    0x80, 0x00, 0x00, 0x00, 0x00, 0x00,
                                    0x00, 0x00, 0x00, 0x00, 0x80, 0x00,
                                    0x80, 0x00, 0x80, 0x00, 0x80, 0x00 };
    int offset;
    char *nodename;
    int cpus_offset = get_cpus_node(fdt);

    nodename = g_strdup_printf("%s@%x", dc->fw_name, pc->pir);
    offset = fdt_add_subnode(fdt, cpus_offset, nodename);
    _FDT(offset);
    g_free(nodename);

    _FDT((fdt_setprop_cell(fdt, offset, "ibm,chip-id", chip->chip_id)));

    _FDT((fdt_setprop_cell(fdt, offset, "reg", pc->pir)));
    _FDT((fdt_setprop_cell(fdt, offset, "ibm,pir", pc->pir)));
    _FDT((fdt_setprop_string(fdt, offset, "device_type", "cpu")));

    _FDT((fdt_setprop_cell(fdt, offset, "cpu-version", env->spr[SPR_PVR])));
    _FDT((fdt_setprop_cell(fdt, offset, "d-cache-block-size",
                            env->dcache_line_size)));
    _FDT((fdt_setprop_cell(fdt, offset, "d-cache-line-size",
                            env->dcache_line_size)));
    _FDT((fdt_setprop_cell(fdt, offset, "i-cache-block-size",
                            env->icache_line_size)));
    _FDT((fdt_setprop_cell(fdt, offset, "i-cache-line-size",
                            env->icache_line_size)));

    if (pcc->l1_dcache_size) {
        _FDT((fdt_setprop_cell(fdt, offset, "d-cache-size",
                               pcc->l1_dcache_size)));
    } else {
        warn_report("Unknown L1 dcache size for cpu");
    }
    if (pcc->l1_icache_size) {
        _FDT((fdt_setprop_cell(fdt, offset, "i-cache-size",
                               pcc->l1_icache_size)));
    } else {
        warn_report("Unknown L1 icache size for cpu");
    }

    _FDT((fdt_setprop_cell(fdt, offset, "timebase-frequency", tbfreq)));
    _FDT((fdt_setprop_cell(fdt, offset, "clock-frequency", cpufreq)));
    _FDT((fdt_setprop_cell(fdt, offset, "ibm,slb-size", env->slb_nr)));
    _FDT((fdt_setprop_string(fdt, offset, "status", "okay")));
    _FDT((fdt_setprop(fdt, offset, "64-bit", NULL, 0)));

    if (env->spr_cb[SPR_PURR].oea_read) {
        _FDT((fdt_setprop(fdt, offset, "ibm,purr", NULL, 0)));
    }

    if (env->mmu_model & POWERPC_MMU_1TSEG) {
        _FDT((fdt_setprop(fdt, offset, "ibm,processor-segment-sizes",
                           segs, sizeof(segs))));
    }

    /* Advertise VMX/VSX (vector extensions) if available
     *   0 / no property == no vector extensions
     *   1               == VMX / Altivec available
     *   2               == VSX available */
    if (env->insns_flags & PPC_ALTIVEC) {
        uint32_t vmx = (env->insns_flags2 & PPC2_VSX) ? 2 : 1;

        _FDT((fdt_setprop_cell(fdt, offset, "ibm,vmx", vmx)));
    }

    /* Advertise DFP (Decimal Floating Point) if available
     *   0 / no property == no DFP
     *   1               == DFP available */
    if (env->insns_flags2 & PPC2_DFP) {
        _FDT((fdt_setprop_cell(fdt, offset, "ibm,dfp", 1)));
    }

    page_sizes_prop_size = ppc_create_page_sizes_prop(env, page_sizes_prop,
                                                  sizeof(page_sizes_prop));
    if (page_sizes_prop_size) {
        _FDT((fdt_setprop(fdt, offset, "ibm,segment-page-sizes",
                           page_sizes_prop, page_sizes_prop_size)));
    }

    _FDT((fdt_setprop(fdt, offset, "ibm,pa-features",
                       pa_features, sizeof(pa_features))));

    /* Build interrupt servers properties */
    for (i = 0; i < smt_threads; i++) {
        servers_prop[i] = cpu_to_be32(pc->pir + i);
    }
    _FDT((fdt_setprop(fdt, offset, "ibm,ppc-interrupt-server#s",
                       servers_prop, sizeof(servers_prop))));
}
Example #13
0
File: tap.c Project: mcayland/qemu
static void net_init_tap_one(const NetdevTapOptions *tap, NetClientState *peer,
                             const char *model, const char *name,
                             const char *ifname, const char *script,
                             const char *downscript, const char *vhostfdname,
                             int vnet_hdr, int fd, Error **errp)
{
    Error *err = NULL;
    TAPState *s = net_tap_fd_init(peer, model, name, fd, vnet_hdr);
    int vhostfd;

    tap_set_sndbuf(s->fd, tap, &err);
    if (err) {
        error_propagate(errp, err);
        return;
    }

    if (tap->has_fd || tap->has_fds) {
        snprintf(s->nc.info_str, sizeof(s->nc.info_str), "fd=%d", fd);
    } else if (tap->has_helper) {
        snprintf(s->nc.info_str, sizeof(s->nc.info_str), "helper=%s",
                 tap->helper);
    } else {
        snprintf(s->nc.info_str, sizeof(s->nc.info_str),
                 "ifname=%s,script=%s,downscript=%s", ifname, script,
                 downscript);

        if (strcmp(downscript, "no") != 0) {
            snprintf(s->down_script, sizeof(s->down_script), "%s", downscript);
            snprintf(s->down_script_arg, sizeof(s->down_script_arg),
                     "%s", ifname);
        }
    }

    if (tap->has_vhost ? tap->vhost :
        vhostfdname || (tap->has_vhostforce && tap->vhostforce)) {
        VhostNetOptions options;

        options.backend_type = VHOST_BACKEND_TYPE_KERNEL;
        options.net_backend = &s->nc;
        if (tap->has_poll_us) {
            options.busyloop_timeout = tap->poll_us;
        } else {
            options.busyloop_timeout = 0;
        }

        if (vhostfdname) {
            vhostfd = monitor_fd_param(cur_mon, vhostfdname, &err);
            if (vhostfd == -1) {
                if (tap->has_vhostforce && tap->vhostforce) {
                    error_propagate(errp, err);
                } else {
                    warn_report_err(err);
                }
                return;
            }
            qemu_set_nonblock(vhostfd);
        } else {
            vhostfd = open("/dev/vhost-net", O_RDWR);
            if (vhostfd < 0) {
                if (tap->has_vhostforce && tap->vhostforce) {
                    error_setg_errno(errp, errno,
                                     "tap: open vhost char device failed");
                } else {
                    warn_report("tap: open vhost char device failed: %s",
                                strerror(errno));
                }
                return;
            }
            fcntl(vhostfd, F_SETFL, O_NONBLOCK);
        }
        options.opaque = (void *)(uintptr_t)vhostfd;

        s->vhost_net = vhost_net_init(&options);
        if (!s->vhost_net) {
            if (tap->has_vhostforce && tap->vhostforce) {
                error_setg(errp, VHOST_NET_INIT_FAILED);
            } else {
                warn_report(VHOST_NET_INIT_FAILED);
            }
            return;
        }
    } else if (vhostfdname) {
        error_setg(errp, "vhostfd(s)= is not valid without vhost");
    }
}
Example #14
0
File: rbd.c Project: nikunjad/qemu
static int qemu_rbd_open(BlockDriverState *bs, QDict *options, int flags,
                         Error **errp)
{
    BDRVRBDState *s = bs->opaque;
    const char *pool, *snap, *conf, *user, *image_name, *keypairs;
    const char *secretid, *filename;
    QemuOpts *opts;
    Error *local_err = NULL;
    char *mon_host = NULL;
    int r;

    /* If we are given a filename, parse the filename, with precedence given to
     * filename encoded options */
    filename = qdict_get_try_str(options, "filename");
    if (filename) {
        warn_report("'filename' option specified. "
                    "This is an unsupported option, and may be deprecated "
                    "in the future");
        qemu_rbd_parse_filename(filename, options, &local_err);
        if (local_err) {
            r = -EINVAL;
            error_propagate(errp, local_err);
            goto exit;
        }
    }

    opts = qemu_opts_create(&runtime_opts, NULL, 0, &error_abort);
    qemu_opts_absorb_qdict(opts, options, &local_err);
    if (local_err) {
        error_propagate(errp, local_err);
        r = -EINVAL;
        goto failed_opts;
    }

    mon_host = qemu_rbd_mon_host(options, &local_err);
    if (local_err) {
        error_propagate(errp, local_err);
        r = -EINVAL;
        goto failed_opts;
    }

    secretid = qemu_opt_get(opts, "password-secret");

    pool           = qemu_opt_get(opts, "pool");
    conf           = qemu_opt_get(opts, "conf");
    snap           = qemu_opt_get(opts, "snapshot");
    user           = qemu_opt_get(opts, "user");
    image_name     = qemu_opt_get(opts, "image");
    keypairs       = qemu_opt_get(opts, "=keyvalue-pairs");

    if (!pool || !image_name) {
        error_setg(errp, "Parameters 'pool' and 'image' are required");
        r = -EINVAL;
        goto failed_opts;
    }

    r = rados_create(&s->cluster, user);
    if (r < 0) {
        error_setg_errno(errp, -r, "error initializing");
        goto failed_opts;
    }

    s->snap = g_strdup(snap);
    s->image_name = g_strdup(image_name);

    /* try default location when conf=NULL, but ignore failure */
    r = rados_conf_read_file(s->cluster, conf);
    if (conf && r < 0) {
        error_setg_errno(errp, -r, "error reading conf file %s", conf);
        goto failed_shutdown;
    }

    r = qemu_rbd_set_keypairs(s->cluster, keypairs, errp);
    if (r < 0) {
        goto failed_shutdown;
    }

    if (mon_host) {
        r = rados_conf_set(s->cluster, "mon_host", mon_host);
        if (r < 0) {
            goto failed_shutdown;
        }
    }

    if (qemu_rbd_set_auth(s->cluster, secretid, errp) < 0) {
        r = -EIO;
        goto failed_shutdown;
    }

    /*
     * Fallback to more conservative semantics if setting cache
     * options fails. Ignore errors from setting rbd_cache because the
     * only possible error is that the option does not exist, and
     * librbd defaults to no caching. If write through caching cannot
     * be set up, fall back to no caching.
     */
    if (flags & BDRV_O_NOCACHE) {
        rados_conf_set(s->cluster, "rbd_cache", "false");
    } else {
        rados_conf_set(s->cluster, "rbd_cache", "true");
    }

    r = rados_connect(s->cluster);
    if (r < 0) {
        error_setg_errno(errp, -r, "error connecting");
        goto failed_shutdown;
    }

    r = rados_ioctx_create(s->cluster, pool, &s->io_ctx);
    if (r < 0) {
        error_setg_errno(errp, -r, "error opening pool %s", pool);
        goto failed_shutdown;
    }

    /* rbd_open is always r/w */
    r = rbd_open(s->io_ctx, s->image_name, &s->image, s->snap);
    if (r < 0) {
        error_setg_errno(errp, -r, "error reading header from %s",
                         s->image_name);
        goto failed_open;
    }

    /* If we are using an rbd snapshot, we must be r/o, otherwise
     * leave as-is */
    if (s->snap != NULL) {
        if (!bdrv_is_read_only(bs)) {
            error_report("Opening rbd snapshots without an explicit "
                         "read-only=on option is deprecated. Future versions "
                         "will refuse to open the image instead of "
                         "automatically marking the image read-only.");
            r = bdrv_set_read_only(bs, true, &local_err);
            if (r < 0) {
                error_propagate(errp, local_err);
                goto failed_open;
            }
        }
    }

    qemu_opts_del(opts);
    return 0;

failed_open:
    rados_ioctx_destroy(s->io_ctx);
failed_shutdown:
    rados_shutdown(s->cluster);
    g_free(s->snap);
    g_free(s->image_name);
failed_opts:
    qemu_opts_del(opts);
    g_free(mon_host);
exit:
    return r;
}
Example #15
0
File: rbd.c Project: CTU-IIG/qemu
static int qemu_rbd_open(BlockDriverState *bs, QDict *options, int flags,
                         Error **errp)
{
    BDRVRBDState *s = bs->opaque;
    BlockdevOptionsRbd *opts = NULL;
    const QDictEntry *e;
    Error *local_err = NULL;
    char *keypairs, *secretid;
    int r;

    keypairs = g_strdup(qdict_get_try_str(options, "=keyvalue-pairs"));
    if (keypairs) {
        qdict_del(options, "=keyvalue-pairs");
    }

    secretid = g_strdup(qdict_get_try_str(options, "password-secret"));
    if (secretid) {
        qdict_del(options, "password-secret");
    }

    r = qemu_rbd_convert_options(options, &opts, &local_err);
    if (local_err) {
        /* If keypairs are present, that means some options are present in
         * the modern option format.  Don't attempt to parse legacy option
         * formats, as we won't support mixed usage. */
        if (keypairs) {
            error_propagate(errp, local_err);
            goto out;
        }

        /* If the initial attempt to convert and process the options failed,
         * we may be attempting to open an image file that has the rbd options
         * specified in the older format consisting of all key/value pairs
         * encoded in the filename.  Go ahead and attempt to parse the
         * filename, and see if we can pull out the required options. */
        r = qemu_rbd_attempt_legacy_options(options, &opts, &keypairs);
        if (r < 0) {
            /* Propagate the original error, not the legacy parsing fallback
             * error, as the latter was just a best-effort attempt. */
            error_propagate(errp, local_err);
            goto out;
        }
        /* Take care whenever deciding to actually deprecate; once this ability
         * is removed, we will not be able to open any images with legacy-styled
         * backing image strings. */
        warn_report("RBD options encoded in the filename as keyvalue pairs "
                    "is deprecated");
    }

    /* Remove the processed options from the QDict (the visitor processes
     * _all_ options in the QDict) */
    while ((e = qdict_first(options))) {
        qdict_del(options, e->key);
    }

    r = qemu_rbd_connect(&s->cluster, &s->io_ctx, opts,
                         !(flags & BDRV_O_NOCACHE), keypairs, secretid, errp);
    if (r < 0) {
        goto out;
    }

    s->snap = g_strdup(opts->snapshot);
    s->image_name = g_strdup(opts->image);

    /* rbd_open is always r/w */
    r = rbd_open(s->io_ctx, s->image_name, &s->image, s->snap);
    if (r < 0) {
        error_setg_errno(errp, -r, "error reading header from %s",
                         s->image_name);
        goto failed_open;
    }

    /* If we are using an rbd snapshot, we must be r/o, otherwise
     * leave as-is */
    if (s->snap != NULL) {
        r = bdrv_apply_auto_read_only(bs, "rbd snapshots are read-only", errp);
        if (r < 0) {
            rbd_close(s->image);
            goto failed_open;
        }
    }

    r = 0;
    goto out;

failed_open:
    rados_ioctx_destroy(s->io_ctx);
    g_free(s->snap);
    g_free(s->image_name);
    rados_shutdown(s->cluster);
out:
    qapi_free_BlockdevOptionsRbd(opts);
    g_free(keypairs);
    g_free(secretid);
    return r;
}
Example #16
0
static void imx25_pdk_init(MachineState *machine)
{
    IMX25PDK *s = g_new0(IMX25PDK, 1);
    unsigned int ram_size;
    unsigned int alias_offset;
    int i;

    object_initialize_child(OBJECT(machine), "soc", &s->soc, sizeof(s->soc),
                            TYPE_FSL_IMX25, &error_abort, NULL);

    object_property_set_bool(OBJECT(&s->soc), true, "realized", &error_fatal);

    /* We need to initialize our memory */
    if (machine->ram_size > (FSL_IMX25_SDRAM0_SIZE + FSL_IMX25_SDRAM1_SIZE)) {
        warn_report("RAM size " RAM_ADDR_FMT " above max supported, "
                    "reduced to %x", machine->ram_size,
                    FSL_IMX25_SDRAM0_SIZE + FSL_IMX25_SDRAM1_SIZE);
        machine->ram_size = FSL_IMX25_SDRAM0_SIZE + FSL_IMX25_SDRAM1_SIZE;
    }

    memory_region_allocate_system_memory(&s->ram, NULL, "imx25.ram",
                                         machine->ram_size);
    memory_region_add_subregion(get_system_memory(), FSL_IMX25_SDRAM0_ADDR,
                                &s->ram);

    /* initialize the alias memory if any */
    for (i = 0, ram_size = machine->ram_size, alias_offset = 0;
         (i < 2) && ram_size; i++) {
        unsigned int size;
        static const struct {
            hwaddr addr;
            unsigned int size;
        } ram[2] = {
            { FSL_IMX25_SDRAM0_ADDR, FSL_IMX25_SDRAM0_SIZE },
            { FSL_IMX25_SDRAM1_ADDR, FSL_IMX25_SDRAM1_SIZE },
        };

        size = MIN(ram_size, ram[i].size);

        ram_size -= size;

        if (size < ram[i].size) {
            memory_region_init_alias(&s->ram_alias, NULL, "ram.alias",
                                     &s->ram, alias_offset, ram[i].size - size);
            memory_region_add_subregion(get_system_memory(),
                                        ram[i].addr + size, &s->ram_alias);
        }

        alias_offset += ram[i].size;
    }

    imx25_pdk_binfo.ram_size = machine->ram_size;
    imx25_pdk_binfo.kernel_filename = machine->kernel_filename;
    imx25_pdk_binfo.kernel_cmdline = machine->kernel_cmdline;
    imx25_pdk_binfo.initrd_filename = machine->initrd_filename;
    imx25_pdk_binfo.loader_start = FSL_IMX25_SDRAM0_ADDR;
    imx25_pdk_binfo.board_id = 1771,
    imx25_pdk_binfo.nb_cpus = 1;

    /*
     * We test explicitly for qtest here as it is not done (yet?) in
     * arm_load_kernel(). Without this the "make check" command would
     * fail.
     */
    if (!qtest_enabled()) {
        arm_load_kernel(&s->soc.cpu, &imx25_pdk_binfo);
    } else {
        /*
         * This I2C device doesn't exist on the real board.
         * We add it here (only on qtest usage) to be able to do a bit
         * of simple qtest. See "make check" for details.
         */
        i2c_create_slave((I2CBus *)qdev_get_child_bus(DEVICE(&s->soc.i2c[0]),
                                                      "i2c-bus.0"),
                         "ds1338", 0x68);
    }
}
Example #17
0
/* Install a copy of the ACPI table specified in @blob.
 *
 * If @has_header is set, @blob starts with the System Description Table Header
 * structure. Otherwise, "dfl_hdr" is prepended. In any case, each header field
 * is optionally overwritten from @hdrs.
 *
 * It is valid to call this function with
 * (@blob == NULL && bloblen == 0 && !has_header).
 *
 * @hdrs->file and @hdrs->data are ignored.
 *
 * SIZE_MAX is considered "infinity" in this function.
 *
 * The number of tables that can be installed is not limited, but the 16-bit
 * counter at the beginning of "acpi_tables" wraps around after UINT16_MAX.
 */
static void acpi_table_install(const char unsigned *blob, size_t bloblen,
                               bool has_header,
                               const struct AcpiTableOptions *hdrs,
                               Error **errp)
{
    size_t body_start;
    const char unsigned *hdr_src;
    size_t body_size, acpi_payload_size;
    struct acpi_table_header *ext_hdr;
    unsigned changed_fields;

    /* Calculate where the ACPI table body starts within the blob, plus where
     * to copy the ACPI table header from.
     */
    if (has_header) {
        /*   _length             | ACPI header in blob | blob body
         *   ^^^^^^^^^^^^^^^^^^^   ^^^^^^^^^^^^^^^^^^^   ^^^^^^^^^
         *   ACPI_TABLE_PFX_SIZE     sizeof dfl_hdr      body_size
         *                           == body_start
         *
         *                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
         *                           acpi_payload_size == bloblen
         */
        body_start = sizeof dfl_hdr;

        if (bloblen < body_start) {
            error_setg(errp, "ACPI table claiming to have header is too "
                       "short, available: %zu, expected: %zu", bloblen,
                       body_start);
            return;
        }
        hdr_src = blob;
    } else {
        /*   _length             | ACPI header in template | blob body
         *   ^^^^^^^^^^^^^^^^^^^   ^^^^^^^^^^^^^^^^^^^^^^^   ^^^^^^^^^^
         *   ACPI_TABLE_PFX_SIZE       sizeof dfl_hdr        body_size
         *                                                   == bloblen
         *
         *                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
         *                                  acpi_payload_size
         */
        body_start = 0;
        hdr_src = dfl_hdr;
    }
    body_size = bloblen - body_start;
    acpi_payload_size = sizeof dfl_hdr + body_size;

    if (acpi_payload_size > UINT16_MAX) {
        error_setg(errp, "ACPI table too big, requested: %zu, max: %u",
                   acpi_payload_size, (unsigned)UINT16_MAX);
        return;
    }

    /* We won't fail from here on. Initialize / extend the globals. */
    if (acpi_tables == NULL) {
        acpi_tables_len = sizeof(uint16_t);
        acpi_tables = g_malloc0(acpi_tables_len);
    }

    acpi_tables = g_realloc(acpi_tables, acpi_tables_len +
                                         ACPI_TABLE_PFX_SIZE +
                                         sizeof dfl_hdr + body_size);

    ext_hdr = (struct acpi_table_header *)(acpi_tables + acpi_tables_len);
    acpi_tables_len += ACPI_TABLE_PFX_SIZE;

    memcpy(acpi_tables + acpi_tables_len, hdr_src, sizeof dfl_hdr);
    acpi_tables_len += sizeof dfl_hdr;

    if (blob != NULL) {
        memcpy(acpi_tables + acpi_tables_len, blob + body_start, body_size);
        acpi_tables_len += body_size;
    }

    /* increase number of tables */
    stw_le_p(acpi_tables, lduw_le_p(acpi_tables) + 1u);

    /* Update the header fields. The strings need not be NUL-terminated. */
    changed_fields = 0;
    ext_hdr->_length = cpu_to_le16(acpi_payload_size);

    if (hdrs->has_sig) {
        strncpy(ext_hdr->sig, hdrs->sig, sizeof ext_hdr->sig);
        ++changed_fields;
    }

    if (has_header && le32_to_cpu(ext_hdr->length) != acpi_payload_size) {
        warn_report("ACPI table has wrong length, header says "
                    "%" PRIu32 ", actual size %zu bytes",
                    le32_to_cpu(ext_hdr->length), acpi_payload_size);
    }
    ext_hdr->length = cpu_to_le32(acpi_payload_size);

    if (hdrs->has_rev) {
        ext_hdr->revision = hdrs->rev;
        ++changed_fields;
    }

    ext_hdr->checksum = 0;

    if (hdrs->has_oem_id) {
        strncpy(ext_hdr->oem_id, hdrs->oem_id, sizeof ext_hdr->oem_id);
        ++changed_fields;
    }
    if (hdrs->has_oem_table_id) {
        strncpy(ext_hdr->oem_table_id, hdrs->oem_table_id,
                sizeof ext_hdr->oem_table_id);
        ++changed_fields;
    }
    if (hdrs->has_oem_rev) {
        ext_hdr->oem_revision = cpu_to_le32(hdrs->oem_rev);
        ++changed_fields;
    }
    if (hdrs->has_asl_compiler_id) {
        strncpy(ext_hdr->asl_compiler_id, hdrs->asl_compiler_id,
                sizeof ext_hdr->asl_compiler_id);
        ++changed_fields;
    }
    if (hdrs->has_asl_compiler_rev) {
        ext_hdr->asl_compiler_revision = cpu_to_le32(hdrs->asl_compiler_rev);
        ++changed_fields;
    }

    if (!has_header && changed_fields == 0) {
        warn_report("ACPI table: no headers are specified");
    }

    /* recalculate checksum */
    ext_hdr->checksum = acpi_checksum((const char unsigned *)ext_hdr +
                                      ACPI_TABLE_PFX_SIZE, acpi_payload_size);
}
Example #18
0
static int qemu_rbd_open(BlockDriverState *bs, QDict *options, int flags,
                         Error **errp)
{
    BDRVRBDState *s = bs->opaque;
    BlockdevOptionsRbd *opts = NULL;
    Visitor *v;
    QObject *crumpled = NULL;
    const QDictEntry *e;
    Error *local_err = NULL;
    const char *filename;
    char *keypairs, *secretid;
    int r;

    /* If we are given a filename, parse the filename, with precedence given to
     * filename encoded options */
    filename = qdict_get_try_str(options, "filename");
    if (filename) {
        warn_report("'filename' option specified. "
                    "This is an unsupported option, and may be deprecated "
                    "in the future");
        qemu_rbd_parse_filename(filename, options, &local_err);
        qdict_del(options, "filename");
        if (local_err) {
            error_propagate(errp, local_err);
            return -EINVAL;
        }
    }

    keypairs = g_strdup(qdict_get_try_str(options, "=keyvalue-pairs"));
    if (keypairs) {
        qdict_del(options, "=keyvalue-pairs");
    }

    secretid = g_strdup(qdict_get_try_str(options, "password-secret"));
    if (secretid) {
        qdict_del(options, "password-secret");
    }

    /* Convert the remaining options into a QAPI object */
    crumpled = qdict_crumple(options, errp);
    if (crumpled == NULL) {
        r = -EINVAL;
        goto out;
    }

    v = qobject_input_visitor_new_keyval(crumpled);
    visit_type_BlockdevOptionsRbd(v, NULL, &opts, &local_err);
    visit_free(v);
    qobject_unref(crumpled);

    if (local_err) {
        error_propagate(errp, local_err);
        r = -EINVAL;
        goto out;
    }

    /* Remove the processed options from the QDict (the visitor processes
     * _all_ options in the QDict) */
    while ((e = qdict_first(options))) {
        qdict_del(options, e->key);
    }

    r = qemu_rbd_connect(&s->cluster, &s->io_ctx, opts,
                         !(flags & BDRV_O_NOCACHE), keypairs, secretid, errp);
    if (r < 0) {
        goto out;
    }

    s->snap = g_strdup(opts->snapshot);
    s->image_name = g_strdup(opts->image);

    /* rbd_open is always r/w */
    r = rbd_open(s->io_ctx, s->image_name, &s->image, s->snap);
    if (r < 0) {
        error_setg_errno(errp, -r, "error reading header from %s",
                         s->image_name);
        goto failed_open;
    }

    /* If we are using an rbd snapshot, we must be r/o, otherwise
     * leave as-is */
    if (s->snap != NULL) {
        if (!bdrv_is_read_only(bs)) {
            error_report("Opening rbd snapshots without an explicit "
                         "read-only=on option is deprecated. Future versions "
                         "will refuse to open the image instead of "
                         "automatically marking the image read-only.");
            r = bdrv_set_read_only(bs, true, &local_err);
            if (r < 0) {
                error_propagate(errp, local_err);
                goto failed_open;
            }
        }
    }

    r = 0;
    goto out;

failed_open:
    rados_ioctx_destroy(s->io_ctx);
    g_free(s->snap);
    g_free(s->image_name);
    rados_shutdown(s->cluster);
out:
    qapi_free_BlockdevOptionsRbd(opts);
    g_free(keypairs);
    g_free(secretid);
    return r;
}
Example #19
0
static
void mips_r4k_init(MachineState *machine)
{
    ram_addr_t ram_size = machine->ram_size;
    const char *kernel_filename = machine->kernel_filename;
    const char *kernel_cmdline = machine->kernel_cmdline;
    const char *initrd_filename = machine->initrd_filename;
    char *filename;
    MemoryRegion *address_space_mem = get_system_memory();
    MemoryRegion *ram = g_new(MemoryRegion, 1);
    MemoryRegion *bios;
    MemoryRegion *iomem = g_new(MemoryRegion, 1);
    MemoryRegion *isa_io = g_new(MemoryRegion, 1);
    MemoryRegion *isa_mem = g_new(MemoryRegion, 1);
    int bios_size;
    MIPSCPU *cpu;
    CPUMIPSState *env;
    ResetData *reset_info;
    int i;
    qemu_irq *i8259;
    ISABus *isa_bus;
    DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS];
    DriveInfo *dinfo;
    int be;

    /* init CPUs */
    cpu = MIPS_CPU(cpu_create(machine->cpu_type));
    env = &cpu->env;

    reset_info = g_malloc0(sizeof(ResetData));
    reset_info->cpu = cpu;
    reset_info->vector = env->active_tc.PC;
    qemu_register_reset(main_cpu_reset, reset_info);

    /* allocate RAM */
    if (ram_size > (256 << 20)) {
        error_report("Too much memory for this machine: %dMB, maximum 256MB",
                     ((unsigned int)ram_size / (1 << 20)));
        exit(1);
    }
    memory_region_allocate_system_memory(ram, NULL, "mips_r4k.ram", ram_size);

    memory_region_add_subregion(address_space_mem, 0, ram);

    memory_region_init_io(iomem, NULL, &mips_qemu_ops, NULL, "mips-qemu", 0x10000);
    memory_region_add_subregion(address_space_mem, 0x1fbf0000, iomem);

    /* Try to load a BIOS image. If this fails, we continue regardless,
       but initialize the hardware ourselves. When a kernel gets
       preloaded we also initialize the hardware, since the BIOS wasn't
       run. */
    if (bios_name == NULL)
        bios_name = BIOS_FILENAME;
    filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name);
    if (filename) {
        bios_size = get_image_size(filename);
    } else {
        bios_size = -1;
    }
#ifdef TARGET_WORDS_BIGENDIAN
    be = 1;
#else
    be = 0;
#endif
    if ((bios_size > 0) && (bios_size <= BIOS_SIZE)) {
        bios = g_new(MemoryRegion, 1);
        memory_region_init_ram(bios, NULL, "mips_r4k.bios", BIOS_SIZE,
                               &error_fatal);
        memory_region_set_readonly(bios, true);
        memory_region_add_subregion(get_system_memory(), 0x1fc00000, bios);

        load_image_targphys(filename, 0x1fc00000, BIOS_SIZE);
    } else if ((dinfo = drive_get(IF_PFLASH, 0, 0)) != NULL) {
        uint32_t mips_rom = 0x00400000;
        if (!pflash_cfi01_register(0x1fc00000, NULL, "mips_r4k.bios", mips_rom,
                                   blk_by_legacy_dinfo(dinfo),
                                   sector_len, mips_rom / sector_len,
                                   4, 0, 0, 0, 0, be)) {
            fprintf(stderr, "qemu: Error registering flash memory.\n");
	}
    } else if (!qtest_enabled()) {
        /* not fatal */
        warn_report("could not load MIPS bios '%s'", bios_name);
    }
    g_free(filename);

    if (kernel_filename) {
        loaderparams.ram_size = ram_size;
        loaderparams.kernel_filename = kernel_filename;
        loaderparams.kernel_cmdline = kernel_cmdline;
        loaderparams.initrd_filename = initrd_filename;
        reset_info->vector = load_kernel();
    }

    /* Init CPU internal devices */
    cpu_mips_irq_init_cpu(cpu);
    cpu_mips_clock_init(cpu);

    /* ISA bus: IO space at 0x14000000, mem space at 0x10000000 */
    memory_region_init_alias(isa_io, NULL, "isa-io",
                             get_system_io(), 0, 0x00010000);
    memory_region_init(isa_mem, NULL, "isa-mem", 0x01000000);
    memory_region_add_subregion(get_system_memory(), 0x14000000, isa_io);
    memory_region_add_subregion(get_system_memory(), 0x10000000, isa_mem);
    isa_bus = isa_bus_new(NULL, isa_mem, get_system_io(), &error_abort);

    /* The PIC is attached to the MIPS CPU INT0 pin */
    i8259 = i8259_init(isa_bus, env->irq[2]);
    isa_bus_irqs(isa_bus, i8259);

    mc146818_rtc_init(isa_bus, 2000, NULL);

    pit = i8254_pit_init(isa_bus, 0x40, 0, NULL);

    serial_hds_isa_init(isa_bus, 0, MAX_SERIAL_PORTS);

    isa_vga_init(isa_bus);

    if (nd_table[0].used)
        isa_ne2000_init(isa_bus, 0x300, 9, &nd_table[0]);

    ide_drive_get(hd, ARRAY_SIZE(hd));
    for(i = 0; i < MAX_IDE_BUS; i++)
        isa_ide_init(isa_bus, ide_iobase[i], ide_iobase2[i], ide_irq[i],
                     hd[MAX_IDE_DEVS * i],
		     hd[MAX_IDE_DEVS * i + 1]);

    isa_create_simple(isa_bus, TYPE_I8042);
}
Example #20
0
int keysym2scancode(kbd_layout_t *k, int keysym,
                    QKbdState *kbd, bool down)
{
    static const uint32_t mask =
        SCANCODE_SHIFT | SCANCODE_ALTGR | SCANCODE_CTRL;
    uint32_t mods, i;
    struct keysym2code *keysym2code;

#ifdef XK_ISO_Left_Tab
    if (keysym == XK_ISO_Left_Tab) {
        keysym = XK_Tab;
    }
#endif

    keysym2code = g_hash_table_lookup(k->hash, GINT_TO_POINTER(keysym));
    if (!keysym2code) {
        trace_keymap_unmapped(keysym);
        warn_report("no scancode found for keysym %d", keysym);
        return 0;
    }

    if (keysym2code->count == 1) {
        return keysym2code->keycodes[0];
    }

    /* We have multiple keysym -> keycode mappings. */
    if (down) {
        /*
         * On keydown: Check whenever we find one mapping where the
         * modifier state of the mapping matches the current user
         * interface modifier state.  If so, prefer that one.
         */
        mods = 0;
        if (kbd && qkbd_state_modifier_get(kbd, QKBD_MOD_SHIFT)) {
            mods |= SCANCODE_SHIFT;
        }
        if (kbd && qkbd_state_modifier_get(kbd, QKBD_MOD_ALTGR)) {
            mods |= SCANCODE_ALTGR;
        }
        if (kbd && qkbd_state_modifier_get(kbd, QKBD_MOD_CTRL)) {
            mods |= SCANCODE_CTRL;
        }

        for (i = 0; i < keysym2code->count; i++) {
            if ((keysym2code->keycodes[i] & mask) == mods) {
                return keysym2code->keycodes[i];
            }
        }
    } else {
        /*
         * On keyup: Try find a key which is actually down.
         */
        for (i = 0; i < keysym2code->count; i++) {
            QKeyCode qcode = qemu_input_key_number_to_qcode
                (keysym2code->keycodes[i]);
            if (kbd && qkbd_state_key_get(kbd, qcode)) {
                return keysym2code->keycodes[i];
            }
        }
    }
    return keysym2code->keycodes[0];
}