hw/core/qdev-properties: Extract system-mode specific properties

Move properties specific to machines into a separate file.

Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20200930164949.1425294-9-philmd@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>

1 files changed, 679 insertions, 8 deletions

diff --git a/hw/core/qdev-properties-system.c b/hw/core/qdev-properties-system.c
index b29daf4fb5..49bdd12581 100644
--- a/hw/core/qdev-properties-system.c
+++ b/hw/core/qdev-properties-system.c
@@ -11,19 +11,25 @@
  */
 
 #include "qemu/osdep.h"
-#include "audio/audio.h"
-#include "net/net.h"
 #include "hw/qdev-properties.h"
 #include "qapi/error.h"
+#include "qapi/visitor.h"
+#include "qapi/qapi-types-block.h"
+#include "qapi/qapi-types-machine.h"
+#include "qapi/qapi-types-migration.h"
 #include "qapi/qmp/qerror.h"
+#include "qemu/ctype.h"
+#include "qemu/cutils.h"
+#include "qemu/units.h"
+#include "qemu/error-report.h"
+#include "qdev-prop-internal.h"
+
+#include "audio/audio.h"
+#include "chardev/char-fe.h"
 #include "sysemu/block-backend.h"
 #include "sysemu/blockdev.h"
-#include "hw/block/block.h"
-#include "net/hub.h"
-#include "qapi/visitor.h"
-#include "chardev/char-fe.h"
-#include "sysemu/iothread.h"
-#include "sysemu/tpm_backend.h"
+#include "net/net.h"
+#include "hw/pci/pci.h"
 
 static bool check_prop_still_unset(DeviceState *dev, const char *name,
                                    const void *old_val, const char *new_val,
@@ -280,6 +286,96 @@ const PropertyInfo qdev_prop_chr = {
     .release = release_chr,
 };
 
+/* --- mac address --- */
+
+/*
+ * accepted syntax versions:
+ *   01:02:03:04:05:06
+ *   01-02-03-04-05-06
+ */
+static void get_mac(Object *obj, Visitor *v, const char *name, void *opaque,
+                    Error **errp)
+{
+    DeviceState *dev = DEVICE(obj);
+    Property *prop = opaque;
+    MACAddr *mac = qdev_get_prop_ptr(dev, prop);
+    char buffer[2 * 6 + 5 + 1];
+    char *p = buffer;
+
+    snprintf(buffer, sizeof(buffer), "%02x:%02x:%02x:%02x:%02x:%02x",
+             mac->a[0], mac->a[1], mac->a[2],
+             mac->a[3], mac->a[4], mac->a[5]);
+
+    visit_type_str(v, name, &p, errp);
+}
+
+static void set_mac(Object *obj, Visitor *v, const char *name, void *opaque,
+                    Error **errp)
+{
+    DeviceState *dev = DEVICE(obj);
+    Property *prop = opaque;
+    MACAddr *mac = qdev_get_prop_ptr(dev, prop);
+    int i, pos;
+    char *str;
+    const char *p;
+
+    if (dev->realized) {
+        qdev_prop_set_after_realize(dev, name, errp);
+        return;
+    }
+
+    if (!visit_type_str(v, name, &str, errp)) {
+        return;
+    }
+
+    for (i = 0, pos = 0; i < 6; i++, pos += 3) {
+        long val;
+
+        if (!qemu_isxdigit(str[pos])) {
+            goto inval;
+        }
+        if (!qemu_isxdigit(str[pos + 1])) {
+            goto inval;
+        }
+        if (i == 5) {
+            if (str[pos + 2] != '\0') {
+                goto inval;
+            }
+        } else {
+            if (str[pos + 2] != ':' && str[pos + 2] != '-') {
+                goto inval;
+            }
+        }
+        if (qemu_strtol(str + pos, &p, 16, &val) < 0 || val > 0xff) {
+            goto inval;
+        }
+        mac->a[i] = val;
+    }
+    g_free(str);
+    return;
+
+inval:
+    error_set_from_qdev_prop_error(errp, EINVAL, dev, prop, str);
+    g_free(str);
+}
+
+const PropertyInfo qdev_prop_macaddr = {
+    .name  = "str",
+    .description = "Ethernet 6-byte MAC Address, example: 52:54:00:12:34:56",
+    .get   = get_mac,
+    .set   = set_mac,
+};
+
+void qdev_prop_set_macaddr(DeviceState *dev, const char *name,
+                           const uint8_t *value)
+{
+    char str[2 * 6 + 5 + 1];
+    snprintf(str, sizeof(str), "%02x:%02x:%02x:%02x:%02x:%02x",
+             value[0], value[1], value[2], value[3], value[4], value[5]);
+
+    object_property_set_str(OBJECT(dev), name, str, &error_abort);
+}
+
 /* --- netdev device --- */
 static void get_netdev(Object *obj, Visitor *v, const char *name,
                        void *opaque, Error **errp)
@@ -465,3 +561,578 @@ void qdev_set_nic_properties(DeviceState *dev, NICInfo *nd)
     }
     nd->instantiated = 1;
 }
+
+/* --- lost tick policy --- */
+
+QEMU_BUILD_BUG_ON(sizeof(LostTickPolicy) != sizeof(int));
+
+const PropertyInfo qdev_prop_losttickpolicy = {
+    .name  = "LostTickPolicy",
+    .enum_table  = &LostTickPolicy_lookup,
+    .get   = qdev_propinfo_get_enum,
+    .set   = qdev_propinfo_set_enum,
+    .set_default_value = qdev_propinfo_set_default_value_enum,
+};
+
+/* --- blocksize --- */
+
+/* lower limit is sector size */
+#define MIN_BLOCK_SIZE          512
+#define MIN_BLOCK_SIZE_STR      "512 B"
+/*
+ * upper limit is arbitrary, 2 MiB looks sufficient for all sensible uses, and
+ * matches qcow2 cluster size limit
+ */
+#define MAX_BLOCK_SIZE          (2 * MiB)
+#define MAX_BLOCK_SIZE_STR      "2 MiB"
+
+static void set_blocksize(Object *obj, Visitor *v, const char *name,
+                          void *opaque, Error **errp)
+{
+    DeviceState *dev = DEVICE(obj);
+    Property *prop = opaque;
+    uint32_t *ptr = qdev_get_prop_ptr(dev, prop);
+    uint64_t value;
+
+    if (dev->realized) {
+        qdev_prop_set_after_realize(dev, name, errp);
+        return;
+    }
+
+    if (!visit_type_size(v, name, &value, errp)) {
+        return;
+    }
+    /* value of 0 means "unset" */
+    if (value && (value < MIN_BLOCK_SIZE || value > MAX_BLOCK_SIZE)) {
+        error_setg(errp,
+                   "Property %s.%s doesn't take value %" PRIu64
+                   " (minimum: " MIN_BLOCK_SIZE_STR
+                   ", maximum: " MAX_BLOCK_SIZE_STR ")",
+                   dev->id ? : "", name, value);
+        return;
+    }
+
+    /* We rely on power-of-2 blocksizes for bitmasks */
+    if ((value & (value - 1)) != 0) {
+        error_setg(errp,
+                  "Property %s.%s doesn't take value '%" PRId64 "', "
+                  "it's not a power of 2", dev->id ?: "", name, (int64_t)value);
+        return;
+    }
+
+    *ptr = value;
+}
+
+const PropertyInfo qdev_prop_blocksize = {
+    .name  = "size",
+    .description = "A power of two between " MIN_BLOCK_SIZE_STR
+                   " and " MAX_BLOCK_SIZE_STR,
+    .get   = qdev_propinfo_get_size32,
+    .set   = set_blocksize,
+    .set_default_value = qdev_propinfo_set_default_value_uint,
+};
+
+/* --- Block device error handling policy --- */
+
+QEMU_BUILD_BUG_ON(sizeof(BlockdevOnError) != sizeof(int));
+
+const PropertyInfo qdev_prop_blockdev_on_error = {
+    .name = "BlockdevOnError",
+    .description = "Error handling policy, "
+                   "report/ignore/enospc/stop/auto",
+    .enum_table = &BlockdevOnError_lookup,
+    .get = qdev_propinfo_get_enum,
+    .set = qdev_propinfo_set_enum,
+    .set_default_value = qdev_propinfo_set_default_value_enum,
+};
+
+/* --- BIOS CHS translation */
+
+QEMU_BUILD_BUG_ON(sizeof(BiosAtaTranslation) != sizeof(int));
+
+const PropertyInfo qdev_prop_bios_chs_trans = {
+    .name = "BiosAtaTranslation",
+    .description = "Logical CHS translation algorithm, "
+                   "auto/none/lba/large/rechs",
+    .enum_table = &BiosAtaTranslation_lookup,
+    .get = qdev_propinfo_get_enum,
+    .set = qdev_propinfo_set_enum,
+    .set_default_value = qdev_propinfo_set_default_value_enum,
+};
+
+/* --- FDC default drive types */
+
+const PropertyInfo qdev_prop_fdc_drive_type = {
+    .name = "FdcDriveType",
+    .description = "FDC drive type, "
+                   "144/288/120/none/auto",
+    .enum_table = &FloppyDriveType_lookup,
+    .get = qdev_propinfo_get_enum,
+    .set = qdev_propinfo_set_enum,
+    .set_default_value = qdev_propinfo_set_default_value_enum,
+};
+
+/* --- MultiFDCompression --- */
+
+const PropertyInfo qdev_prop_multifd_compression = {
+    .name = "MultiFDCompression",
+    .description = "multifd_compression values, "
+                   "none/zlib/zstd",
+    .enum_table = &MultiFDCompression_lookup,
+    .get = qdev_propinfo_get_enum,
+    .set = qdev_propinfo_set_enum,
+    .set_default_value = qdev_propinfo_set_default_value_enum,
+};
+
+/* --- Reserved Region --- */
+
+/*
+ * Accepted syntax:
+ *   <low address>:<high address>:<type>
+ *   where low/high addresses are uint64_t in hexadecimal
+ *   and type is a non-negative decimal integer
+ */
+static void get_reserved_region(Object *obj, Visitor *v, const char *name,
+                                void *opaque, Error **errp)
+{
+    DeviceState *dev = DEVICE(obj);
+    Property *prop = opaque;
+    ReservedRegion *rr = qdev_get_prop_ptr(dev, prop);
+    char buffer[64];
+    char *p = buffer;
+    int rc;
+
+    rc = snprintf(buffer, sizeof(buffer), "0x%"PRIx64":0x%"PRIx64":%u",
+                  rr->low, rr->high, rr->type);
+    assert(rc < sizeof(buffer));
+
+    visit_type_str(v, name, &p, errp);
+}
+
+static void set_reserved_region(Object *obj, Visitor *v, const char *name,
+                                void *opaque, Error **errp)
+{
+    DeviceState *dev = DEVICE(obj);
+    Property *prop = opaque;
+    ReservedRegion *rr = qdev_get_prop_ptr(dev, prop);
+    Error *local_err = NULL;
+    const char *endptr;
+    char *str;
+    int ret;
+
+    if (dev->realized) {
+        qdev_prop_set_after_realize(dev, name, errp);
+        return;
+    }
+
+    visit_type_str(v, name, &str, &local_err);
+    if (local_err) {
+        error_propagate(errp, local_err);
+        return;
+    }
+
+    ret = qemu_strtou64(str, &endptr, 16, &rr->low);
+    if (ret) {
+        error_setg(errp, "start address of '%s'"
+                   " must be a hexadecimal integer", name);
+        goto out;
+    }
+    if (*endptr != ':') {
+        goto separator_error;
+    }
+
+    ret = qemu_strtou64(endptr + 1, &endptr, 16, &rr->high);
+    if (ret) {
+        error_setg(errp, "end address of '%s'"
+                   " must be a hexadecimal integer", name);
+        goto out;
+    }
+    if (*endptr != ':') {
+        goto separator_error;
+    }
+
+    ret = qemu_strtoui(endptr + 1, &endptr, 10, &rr->type);
+    if (ret) {
+        error_setg(errp, "type of '%s'"
+                   " must be a non-negative decimal integer", name);
+    }
+    goto out;
+
+separator_error:
+    error_setg(errp, "reserved region fields must be separated with ':'");
+out:
+    g_free(str);
+    return;
+}
+
+const PropertyInfo qdev_prop_reserved_region = {
+    .name  = "reserved_region",
+    .description = "Reserved Region, example: 0xFEE00000:0xFEEFFFFF:0",
+    .get   = get_reserved_region,
+    .set   = set_reserved_region,
+};
+
+/* --- pci address --- */
+
+/*
+ * bus-local address, i.e. "$slot" or "$slot.$fn"
+ */
+static void set_pci_devfn(Object *obj, Visitor *v, const char *name,
+                          void *opaque, Error **errp)
+{
+    DeviceState *dev = DEVICE(obj);
+    Property *prop = opaque;
+    int32_t value, *ptr = qdev_get_prop_ptr(dev, prop);
+    unsigned int slot, fn, n;
+    char *str;
+
+    if (dev->realized) {
+        qdev_prop_set_after_realize(dev, name, errp);
+        return;
+    }
+
+    if (!visit_type_str(v, name, &str, NULL)) {
+        if (!visit_type_int32(v, name, &value, errp)) {
+            return;
+        }
+        if (value < -1 || value > 255) {
+            error_setg(errp, QERR_INVALID_PARAMETER_VALUE,
+                       name ? name : "null", "pci_devfn");
+            return;
+        }
+        *ptr = value;
+        return;
+    }
+
+    if (sscanf(str, "%x.%x%n", &slot, &fn, &n) != 2) {
+        fn = 0;
+        if (sscanf(str, "%x%n", &slot, &n) != 1) {
+            goto invalid;
+        }
+    }
+    if (str[n] != '\0' || fn > 7 || slot > 31) {
+        goto invalid;
+    }
+    *ptr = slot << 3 | fn;
+    g_free(str);
+    return;
+
+invalid:
+    error_set_from_qdev_prop_error(errp, EINVAL, dev, prop, str);
+    g_free(str);
+}
+
+static int print_pci_devfn(DeviceState *dev, Property *prop, char *dest,
+                           size_t len)
+{
+    int32_t *ptr = qdev_get_prop_ptr(dev, prop);
+
+    if (*ptr == -1) {
+        return snprintf(dest, len, "<unset>");
+    } else {
+        return snprintf(dest, len, "%02x.%x", *ptr >> 3, *ptr & 7);
+    }
+}
+
+const PropertyInfo qdev_prop_pci_devfn = {
+    .name  = "int32",
+    .description = "Slot and optional function number, example: 06.0 or 06",
+    .print = print_pci_devfn,
+    .get   = qdev_propinfo_get_int32,
+    .set   = set_pci_devfn,
+    .set_default_value = qdev_propinfo_set_default_value_int,
+};
+
+/* --- pci host address --- */
+
+static void get_pci_host_devaddr(Object *obj, Visitor *v, const char *name,
+                                 void *opaque, Error **errp)
+{
+    DeviceState *dev = DEVICE(obj);
+    Property *prop = opaque;
+    PCIHostDeviceAddress *addr = qdev_get_prop_ptr(dev, prop);
+    char buffer[] = "ffff:ff:ff.f";
+    char *p = buffer;
+    int rc = 0;
+
+    /*
+     * Catch "invalid" device reference from vfio-pci and allow the
+     * default buffer representing the non-existent device to be used.
+     */
+    if (~addr->domain || ~addr->bus || ~addr->slot || ~addr->function) {
+        rc = snprintf(buffer, sizeof(buffer), "%04x:%02x:%02x.%0d",
+                      addr->domain, addr->bus, addr->slot, addr->function);
+        assert(rc == sizeof(buffer) - 1);
+    }
+
+    visit_type_str(v, name, &p, errp);
+}
+
+/*
+ * Parse [<domain>:]<bus>:<slot>.<func>
+ *   if <domain> is not supplied, it's assumed to be 0.
+ */
+static void set_pci_host_devaddr(Object *obj, Visitor *v, const char *name,
+                                 void *opaque, Error **errp)
+{
+    DeviceState *dev = DEVICE(obj);
+    Property *prop = opaque;
+    PCIHostDeviceAddress *addr = qdev_get_prop_ptr(dev, prop);
+    char *str, *p;
+    const char *e;
+    unsigned long val;
+    unsigned long dom = 0, bus = 0;
+    unsigned int slot = 0, func = 0;
+
+    if (dev->realized) {
+        qdev_prop_set_after_realize(dev, name, errp);
+        return;
+    }
+
+    if (!visit_type_str(v, name, &str, errp)) {
+        return;
+    }
+
+    p = str;
+    if (qemu_strtoul(p, &e, 16, &val) < 0 || val > 0xffff || e == p) {
+        goto inval;
+    }
+    if (*e != ':') {
+        goto inval;
+    }
+    bus = val;
+
+    p = (char *)e + 1;
+    if (qemu_strtoul(p, &e, 16, &val) < 0 || val > 0x1f || e == p) {
+        goto inval;
+    }
+    if (*e == ':') {
+        dom = bus;
+        bus = val;
+        p = (char *)e + 1;
+        if (qemu_strtoul(p, &e, 16, &val) < 0 || val > 0x1f || e == p) {
+            goto inval;
+        }
+    }
+    slot = val;
+
+    if (*e != '.') {
+        goto inval;
+    }
+    p = (char *)e + 1;
+    if (qemu_strtoul(p, &e, 10, &val) < 0 || val > 7 || e == p) {
+        goto inval;
+    }
+    func = val;
+
+    if (bus > 0xff) {
+        goto inval;
+    }
+
+    if (*e) {
+        goto inval;
+    }
+
+    addr->domain = dom;
+    addr->bus = bus;
+    addr->slot = slot;
+    addr->function = func;
+
+    g_free(str);
+    return;
+
+inval:
+    error_set_from_qdev_prop_error(errp, EINVAL, dev, prop, str);
+    g_free(str);
+}
+
+const PropertyInfo qdev_prop_pci_host_devaddr = {
+    .name = "str",
+    .description = "Address (bus/device/function) of "
+                   "the host device, example: 04:10.0",
+    .get = get_pci_host_devaddr,
+    .set = set_pci_host_devaddr,
+};
+
+/* --- OffAutoPCIBAR off/auto/bar0/bar1/bar2/bar3/bar4/bar5 --- */
+
+const PropertyInfo qdev_prop_off_auto_pcibar = {
+    .name = "OffAutoPCIBAR",
+    .description = "off/auto/bar0/bar1/bar2/bar3/bar4/bar5",
+    .enum_table = &OffAutoPCIBAR_lookup,
+    .get = qdev_propinfo_get_enum,
+    .set = qdev_propinfo_set_enum,
+    .set_default_value = qdev_propinfo_set_default_value_enum,
+};
+
+/* --- PCIELinkSpeed 2_5/5/8/16 -- */
+
+static void get_prop_pcielinkspeed(Object *obj, Visitor *v, const char *name,
+                                   void *opaque, Error **errp)
+{
+    DeviceState *dev = DEVICE(obj);
+    Property *prop = opaque;
+    PCIExpLinkSpeed *p = qdev_get_prop_ptr(dev, prop);
+    int speed;
+
+    switch (*p) {
+    case QEMU_PCI_EXP_LNK_2_5GT:
+        speed = PCIE_LINK_SPEED_2_5;
+        break;
+    case QEMU_PCI_EXP_LNK_5GT:
+        speed = PCIE_LINK_SPEED_5;
+        break;
+    case QEMU_PCI_EXP_LNK_8GT:
+        speed = PCIE_LINK_SPEED_8;
+        break;
+    case QEMU_PCI_EXP_LNK_16GT:
+        speed = PCIE_LINK_SPEED_16;
+        break;
+    default:
+        /* Unreachable */
+        abort();
+    }
+
+    visit_type_enum(v, prop->name, &speed, prop->info->enum_table, errp);
+}
+
+static void set_prop_pcielinkspeed(Object *obj, Visitor *v, const char *name,
+                                   void *opaque, Error **errp)
+{
+    DeviceState *dev = DEVICE(obj);
+    Property *prop = opaque;
+    PCIExpLinkSpeed *p = qdev_get_prop_ptr(dev, prop);
+    int speed;
+
+    if (dev->realized) {
+        qdev_prop_set_after_realize(dev, name, errp);
+        return;
+    }
+
+    if (!visit_type_enum(v, prop->name, &speed, prop->info->enum_table,
+                         errp)) {
+        return;
+    }
+
+    switch (speed) {
+    case PCIE_LINK_SPEED_2_5:
+        *p = QEMU_PCI_EXP_LNK_2_5GT;
+        break;
+    case PCIE_LINK_SPEED_5:
+        *p = QEMU_PCI_EXP_LNK_5GT;
+        break;
+    case PCIE_LINK_SPEED_8:
+        *p = QEMU_PCI_EXP_LNK_8GT;
+        break;
+    case PCIE_LINK_SPEED_16:
+        *p = QEMU_PCI_EXP_LNK_16GT;
+        break;
+    default:
+        /* Unreachable */
+        abort();
+    }
+}
+
+const PropertyInfo qdev_prop_pcie_link_speed = {
+    .name = "PCIELinkSpeed",
+    .description = "2_5/5/8/16",
+    .enum_table = &PCIELinkSpeed_lookup,
+    .get = get_prop_pcielinkspeed,
+    .set = set_prop_pcielinkspeed,
+    .set_default_value = qdev_propinfo_set_default_value_enum,
+};
+
+/* --- PCIELinkWidth 1/2/4/8/12/16/32 -- */
+
+static void get_prop_pcielinkwidth(Object *obj, Visitor *v, const char *name,
+                                   void *opaque, Error **errp)
+{
+    DeviceState *dev = DEVICE(obj);
+    Property *prop = opaque;
+    PCIExpLinkWidth *p = qdev_get_prop_ptr(dev, prop);
+    int width;
+
+    switch (*p) {
+    case QEMU_PCI_EXP_LNK_X1:
+        width = PCIE_LINK_WIDTH_1;
+        break;
+    case QEMU_PCI_EXP_LNK_X2:
+        width = PCIE_LINK_WIDTH_2;
+        break;
+    case QEMU_PCI_EXP_LNK_X4:
+        width = PCIE_LINK_WIDTH_4;
+        break;
+    case QEMU_PCI_EXP_LNK_X8:
+        width = PCIE_LINK_WIDTH_8;
+        break;
+    case QEMU_PCI_EXP_LNK_X12:
+        width = PCIE_LINK_WIDTH_12;
+        break;
+    case QEMU_PCI_EXP_LNK_X16:
+        width = PCIE_LINK_WIDTH_16;
+        break;
+    case QEMU_PCI_EXP_LNK_X32:
+        width = PCIE_LINK_WIDTH_32;
+        break;
+    default:
+        /* Unreachable */
+        abort();
+    }
+
+    visit_type_enum(v, prop->name, &width, prop->info->enum_table, errp);
+}
+
+static void set_prop_pcielinkwidth(Object *obj, Visitor *v, const char *name,
+                                   void *opaque, Error **errp)
+{
+    DeviceState *dev = DEVICE(obj);
+    Property *prop = opaque;
+    PCIExpLinkWidth *p = qdev_get_prop_ptr(dev, prop);
+    int width;
+
+    if (dev->realized) {
+        qdev_prop_set_after_realize(dev, name, errp);
+        return;
+    }
+
+    if (!visit_type_enum(v, prop->name, &width, prop->info->enum_table,
+                         errp)) {
+        return;
+    }
+
+    switch (width) {
+    case PCIE_LINK_WIDTH_1:
+        *p = QEMU_PCI_EXP_LNK_X1;
+        break;
+    case PCIE_LINK_WIDTH_2:
+        *p = QEMU_PCI_EXP_LNK_X2;
+        break;
+    case PCIE_LINK_WIDTH_4:
+        *p = QEMU_PCI_EXP_LNK_X4;
+        break;
+    case PCIE_LINK_WIDTH_8:
+        *p = QEMU_PCI_EXP_LNK_X8;
+        break;
+    case PCIE_LINK_WIDTH_12:
+        *p = QEMU_PCI_EXP_LNK_X12;
+        break;
+    case PCIE_LINK_WIDTH_16:
+        *p = QEMU_PCI_EXP_LNK_X16;
+        break;
+    case PCIE_LINK_WIDTH_32:
+        *p = QEMU_PCI_EXP_LNK_X32;
+        break;
+    default:
+        /* Unreachable */
+        abort();
+    }
+}
+
+const PropertyInfo qdev_prop_pcie_link_width = {
+    .name = "PCIELinkWidth",
+    .description = "1/2/4/8/12/16/32",
+    .enum_table = &PCIELinkWidth_lookup,
+    .get = get_prop_pcielinkwidth,
+    .set = set_prop_pcielinkwidth,
+    .set_default_value = qdev_propinfo_set_default_value_enum,
+};