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Re: [Qemu-devel] [RFC 01/19] qdev: Replace cannot_instantiate_with_devic
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From: |
Alistair Francis |
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Subject: |
Re: [Qemu-devel] [RFC 01/19] qdev: Replace cannot_instantiate_with_device_add_yet with !user_creatable |
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Date: |
Mon, 3 Apr 2017 10:16:06 -0700 |
On Fri, Mar 31, 2017 at 5:46 PM, Eduardo Habkost <address@hidden> wrote:
> cannot_instantiate_with_device_add_yet was introduced by commit
> 837d37167dc446af8a91189108b363c04609e296 to replace no_user. It
> was supposed to be a temporary measure.
>
> When it was introduced, we had 54
> cannot_instantiate_with_device_add_yet=true lines in the code.
> Today (3 years later) this number has not shrinked: we now have
> 57 cannot_instantiate_with_device_add_yet=true lines. I think it
> is safe to say it is not a temporary measure, and we won't see
> the flag go away soon.
>
> Instead of a long field name that misleads people to believe it
> is temporary, replace it a shorter and less misleading field:
> user_creatable.
I haven't tested this, but I do like the new name and think it makes
more sense then what we have now.
Acked-by: Alistair Francis <address@hidden>
Thanks,
Alistair
>
> Except for code comments, changes were generated using the
> following Coccinelle patch:
>
> @@
> expression DC;
> @@
> (
> -DC->cannot_instantiate_with_device_add_yet = false;
> +DC->user_creatable = true;
> |
> -DC->cannot_instantiate_with_device_add_yet = true;
> +DC->user_creatable = false;
> )
>
> @@
> typedef ObjectClass;
> expression dc;
> identifier class, data;
> @@
> static void device_class_init(ObjectClass *class, void *data)
> {
> ...
> dc->hotpluggable = true;
> +dc->user_creatable = true;
> ...
> }
>
> @@
> @@
> struct DeviceClass {
> ...
> -bool cannot_instantiate_with_device_add_yet;
> +bool user_creatable;
> ...
> }
>
> @@
> expression DC;
> @@
> (
> -!DC->cannot_instantiate_with_device_add_yet
> +DC->user_creatable
> |
> -DC->cannot_instantiate_with_device_add_yet
> +!DC->user_creatable
> )
>
> Cc: Markus Armbruster <address@hidden>
> Cc: Laszlo Ersek <address@hidden>
> Cc: Marcel Apfelbaum <address@hidden>
> Cc: Peter Maydell <address@hidden>
> Cc: Thomas Huth <address@hidden>
> Signed-off-by: Eduardo Habkost <address@hidden>
> ---
> include/hw/qdev-core.h | 10 +++++-----
> include/hw/qdev-properties.h | 4 ++--
> hw/acpi/piix4.c | 2 +-
> hw/arm/spitz.c | 2 +-
> hw/audio/marvell_88w8618.c | 2 +-
> hw/audio/pcspk.c | 2 +-
> hw/core/or-irq.c | 2 +-
> hw/core/qdev.c | 1 +
> hw/core/register.c | 2 +-
> hw/dma/i8257.c | 2 +-
> hw/dma/sparc32_dma.c | 2 +-
> hw/gpio/omap_gpio.c | 4 ++--
> hw/i2c/omap_i2c.c | 2 +-
> hw/i2c/smbus_eeprom.c | 2 +-
> hw/i2c/smbus_ich9.c | 2 +-
> hw/i386/pc.c | 2 +-
> hw/input/vmmouse.c | 2 +-
> hw/intc/apic_common.c | 2 +-
> hw/intc/etraxfs_pic.c | 2 +-
> hw/intc/grlib_irqmp.c | 2 +-
> hw/intc/i8259_common.c | 2 +-
> hw/intc/nios2_iic.c | 2 +-
> hw/intc/omap_intc.c | 4 ++--
> hw/isa/lpc_ich9.c | 2 +-
> hw/isa/piix4.c | 2 +-
> hw/isa/vt82c686.c | 2 +-
> hw/mips/gt64xxx_pci.c | 2 +-
> hw/misc/vmport.c | 2 +-
> hw/net/dp8393x.c | 2 +-
> hw/net/etraxfs_eth.c | 2 +-
> hw/net/lance.c | 2 +-
> hw/pci-bridge/dec.c | 2 +-
> hw/pci-bridge/pci_expander_bridge.c | 2 +-
> hw/pci-host/apb.c | 2 +-
> hw/pci-host/bonito.c | 2 +-
> hw/pci-host/gpex.c | 2 +-
> hw/pci-host/grackle.c | 2 +-
> hw/pci-host/piix.c | 6 +++---
> hw/pci-host/ppce500.c | 2 +-
> hw/pci-host/prep.c | 2 +-
> hw/pci-host/q35.c | 4 ++--
> hw/pci-host/uninorth.c | 8 ++++----
> hw/pci-host/versatile.c | 2 +-
> hw/pci-host/xilinx-pcie.c | 2 +-
> hw/ppc/ppc4xx_pci.c | 2 +-
> hw/ppc/spapr_drc.c | 2 +-
> hw/s390x/s390-pci-bus.c | 2 +-
> hw/sd/milkymist-memcard.c | 2 +-
> hw/sd/pl181.c | 2 +-
> hw/sh4/sh_pci.c | 2 +-
> hw/timer/i8254_common.c | 2 +-
> hw/timer/mc146818rtc.c | 2 +-
> monitor.c | 2 +-
> qdev-monitor.c | 6 +++---
> qom/cpu.c | 2 +-
> target/i386/cpu.c | 2 +-
> 56 files changed, 71 insertions(+), 70 deletions(-)
>
> diff --git a/include/hw/qdev-core.h b/include/hw/qdev-core.h
> index b44b476765..bc4e6f0486 100644
> --- a/include/hw/qdev-core.h
> +++ b/include/hw/qdev-core.h
> @@ -103,16 +103,16 @@ typedef struct DeviceClass {
> Property *props;
>
> /*
> - * Shall we hide this device model from -device / device_add?
> + * Can this device be instantiated with -device / device_add?
> * All devices should support instantiation with device_add, and
> * this flag should not exist. But we're not there, yet. Some
> * devices fail to instantiate with cryptic error messages.
> * Others instantiate, but don't work. Exposing users to such
> - * behavior would be cruel; this flag serves to protect them. It
> - * should never be set without a comment explaining why it is set.
> - * TODO remove once we're there
> + * behavior would be cruel; clearing this flag will protect them.
> + * It should never be cleared without a comment explaining why it
> + * is cleared.
> */
> - bool cannot_instantiate_with_device_add_yet;
> + bool user_creatable;
> /*
> * Does this device model survive object_unref(object_new(TNAME))?
> * All device models should, and this flag shouldn't exist. Some
> diff --git a/include/hw/qdev-properties.h b/include/hw/qdev-properties.h
> index 7ac315331a..5c6e13b993 100644
> --- a/include/hw/qdev-properties.h
> +++ b/include/hw/qdev-properties.h
> @@ -134,12 +134,12 @@ extern PropertyInfo qdev_prop_arraylen;
> * device_add, so add code like this:
> * |* Reason: pointer property "NAME-OF-YOUR-PROP" *|
> * DeviceClass *dc = DEVICE_CLASS(class);
> - * dc->cannot_instantiate_with_device_add_yet = true;
> + * dc->user_creatable = false;
> *
> * - If the property may safely remain null, document it like this:
> * |*
> * * Note: pointer property "interrupt_vector" may remain null, thus
> - * * no need for dc->cannot_instantiate_with_device_add_yet = true;
> + * * no need for dc->user_creatable = false;
> * *|
> */
> #define DEFINE_PROP_PTR(_n, _s, _f) \
> diff --git a/hw/acpi/piix4.c b/hw/acpi/piix4.c
> index a553a7e110..f4fd5907b8 100644
> --- a/hw/acpi/piix4.c
> +++ b/hw/acpi/piix4.c
> @@ -700,7 +700,7 @@ static void piix4_pm_class_init(ObjectClass *klass, void
> *data)
> * Reason: part of PIIX4 southbridge, needs to be wired up,
> * e.g. by mips_malta_init()
> */
> - dc->cannot_instantiate_with_device_add_yet = true;
> + dc->user_creatable = false;
> dc->hotpluggable = false;
> hc->plug = piix4_device_plug_cb;
> hc->unplug_request = piix4_device_unplug_request_cb;
> diff --git a/hw/arm/spitz.c b/hw/arm/spitz.c
> index fe2d5a764c..324626847c 100644
> --- a/hw/arm/spitz.c
> +++ b/hw/arm/spitz.c
> @@ -1076,7 +1076,7 @@ static void sl_nand_class_init(ObjectClass *klass, void
> *data)
> dc->vmsd = &vmstate_sl_nand_info;
> dc->props = sl_nand_properties;
> /* Reason: init() method uses drive_get() */
> - dc->cannot_instantiate_with_device_add_yet = true;
> + dc->user_creatable = false;
> }
>
> static const TypeInfo sl_nand_info = {
> diff --git a/hw/audio/marvell_88w8618.c b/hw/audio/marvell_88w8618.c
> index 511b004287..4f65f8c199 100644
> --- a/hw/audio/marvell_88w8618.c
> +++ b/hw/audio/marvell_88w8618.c
> @@ -292,7 +292,7 @@ static void mv88w8618_audio_class_init(ObjectClass
> *klass, void *data)
> dc->vmsd = &mv88w8618_audio_vmsd;
> dc->props = mv88w8618_audio_properties;
> /* Reason: pointer property "wm8750" */
> - dc->cannot_instantiate_with_device_add_yet = true;
> + dc->user_creatable = false;
> }
>
> static const TypeInfo mv88w8618_audio_info = {
> diff --git a/hw/audio/pcspk.c b/hw/audio/pcspk.c
> index 798002277b..9b99358d87 100644
> --- a/hw/audio/pcspk.c
> +++ b/hw/audio/pcspk.c
> @@ -223,7 +223,7 @@ static void pcspk_class_initfn(ObjectClass *klass, void
> *data)
> dc->vmsd = &vmstate_spk;
> dc->props = pcspk_properties;
> /* Reason: realize sets global pcspk_state */
> - dc->cannot_instantiate_with_device_add_yet = true;
> + dc->user_creatable = false;
> }
>
> static const TypeInfo pcspk_info = {
> diff --git a/hw/core/or-irq.c b/hw/core/or-irq.c
> index 1485d5b285..f9d76c4641 100644
> --- a/hw/core/or-irq.c
> +++ b/hw/core/or-irq.c
> @@ -91,7 +91,7 @@ static void or_irq_class_init(ObjectClass *klass, void
> *data)
> dc->vmsd = &vmstate_or_irq;
>
> /* Reason: Needs to be wired up to work, e.g. see stm32f205_soc.c */
> - dc->cannot_instantiate_with_device_add_yet = true;
> + dc->user_creatable = false;
> }
>
> static const TypeInfo or_irq_type_info = {
> diff --git a/hw/core/qdev.c b/hw/core/qdev.c
> index 1e7fb33246..4132a8bee3 100644
> --- a/hw/core/qdev.c
> +++ b/hw/core/qdev.c
> @@ -1159,6 +1159,7 @@ static void device_class_init(ObjectClass *class, void
> *data)
> * should override it in their class_init()
> */
> dc->hotpluggable = true;
> + dc->user_creatable = true;
> }
>
> void device_reset(DeviceState *dev)
> diff --git a/hw/core/register.c b/hw/core/register.c
> index dc335a79a9..da38ef3a54 100644
> --- a/hw/core/register.c
> +++ b/hw/core/register.c
> @@ -288,7 +288,7 @@ static void register_class_init(ObjectClass *oc, void
> *data)
> DeviceClass *dc = DEVICE_CLASS(oc);
>
> /* Reason: needs to be wired up to work */
> - dc->cannot_instantiate_with_device_add_yet = true;
> + dc->user_creatable = false;
> }
>
> static const TypeInfo register_info = {
> diff --git a/hw/dma/i8257.c b/hw/dma/i8257.c
> index 8bd82e8bc8..bd23e893bf 100644
> --- a/hw/dma/i8257.c
> +++ b/hw/dma/i8257.c
> @@ -601,7 +601,7 @@ static void i8257_class_init(ObjectClass *klass, void
> *data)
> idc->schedule = i8257_dma_schedule;
> idc->register_channel = i8257_dma_register_channel;
> /* Reason: needs to be wired up by isa_bus_dma() to work */
> - dc->cannot_instantiate_with_device_add_yet = true;
> + dc->user_creatable = false;
> }
>
> static const TypeInfo i8257_info = {
> diff --git a/hw/dma/sparc32_dma.c b/hw/dma/sparc32_dma.c
> index 9d545e412e..9c6bdc6295 100644
> --- a/hw/dma/sparc32_dma.c
> +++ b/hw/dma/sparc32_dma.c
> @@ -305,7 +305,7 @@ static void sparc32_dma_class_init(ObjectClass *klass,
> void *data)
> dc->vmsd = &vmstate_dma;
> dc->props = sparc32_dma_properties;
> /* Reason: pointer property "iommu_opaque" */
> - dc->cannot_instantiate_with_device_add_yet = true;
> + dc->user_creatable = false;
> }
>
> static const TypeInfo sparc32_dma_info = {
> diff --git a/hw/gpio/omap_gpio.c b/hw/gpio/omap_gpio.c
> index dabef4a119..1df394eb12 100644
> --- a/hw/gpio/omap_gpio.c
> +++ b/hw/gpio/omap_gpio.c
> @@ -773,7 +773,7 @@ static void omap_gpio_class_init(ObjectClass *klass, void
> *data)
> dc->reset = omap_gpif_reset;
> dc->props = omap_gpio_properties;
> /* Reason: pointer property "clk" */
> - dc->cannot_instantiate_with_device_add_yet = true;
> + dc->user_creatable = false;
> }
>
> static const TypeInfo omap_gpio_info = {
> @@ -804,7 +804,7 @@ static void omap2_gpio_class_init(ObjectClass *klass,
> void *data)
> dc->reset = omap2_gpif_reset;
> dc->props = omap2_gpio_properties;
> /* Reason: pointer properties "iclk", "fclk0", ..., "fclk5" */
> - dc->cannot_instantiate_with_device_add_yet = true;
> + dc->user_creatable = false;
> }
>
> static const TypeInfo omap2_gpio_info = {
> diff --git a/hw/i2c/omap_i2c.c b/hw/i2c/omap_i2c.c
> index f7c92ea00c..f6e80bee25 100644
> --- a/hw/i2c/omap_i2c.c
> +++ b/hw/i2c/omap_i2c.c
> @@ -491,7 +491,7 @@ static void omap_i2c_class_init(ObjectClass *klass, void
> *data)
> dc->props = omap_i2c_properties;
> dc->reset = omap_i2c_reset;
> /* Reason: pointer properties "iclk", "fclk" */
> - dc->cannot_instantiate_with_device_add_yet = true;
> + dc->user_creatable = false;
> dc->realize = omap_i2c_realize;
> }
>
> diff --git a/hw/i2c/smbus_eeprom.c b/hw/i2c/smbus_eeprom.c
> index 5b7bd891bc..b13ec0fe7a 100644
> --- a/hw/i2c/smbus_eeprom.c
> +++ b/hw/i2c/smbus_eeprom.c
> @@ -123,7 +123,7 @@ static void smbus_eeprom_class_initfn(ObjectClass *klass,
> void *data)
> sc->read_data = eeprom_read_data;
> dc->props = smbus_eeprom_properties;
> /* Reason: pointer property "data" */
> - dc->cannot_instantiate_with_device_add_yet = true;
> + dc->user_creatable = false;
> }
>
> static const TypeInfo smbus_eeprom_info = {
> diff --git a/hw/i2c/smbus_ich9.c b/hw/i2c/smbus_ich9.c
> index 48fab22625..ea51e09186 100644
> --- a/hw/i2c/smbus_ich9.c
> +++ b/hw/i2c/smbus_ich9.c
> @@ -103,7 +103,7 @@ static void ich9_smb_class_init(ObjectClass *klass, void
> *data)
> * Reason: part of ICH9 southbridge, needs to be wired up by
> * pc_q35_init()
> */
> - dc->cannot_instantiate_with_device_add_yet = true;
> + dc->user_creatable = false;
> }
>
> I2CBus *ich9_smb_init(PCIBus *bus, int devfn, uint32_t smb_io_base)
> diff --git a/hw/i386/pc.c b/hw/i386/pc.c
> index d24388e05f..610050eb4f 100644
> --- a/hw/i386/pc.c
> +++ b/hw/i386/pc.c
> @@ -597,7 +597,7 @@ static void port92_class_initfn(ObjectClass *klass, void
> *data)
> * wiring: its A20 output line needs to be wired up by
> * port92_init().
> */
> - dc->cannot_instantiate_with_device_add_yet = true;
> + dc->user_creatable = false;
> }
>
> static const TypeInfo port92_info = {
> diff --git a/hw/input/vmmouse.c b/hw/input/vmmouse.c
> index 6d15a887c6..4747da9a8d 100644
> --- a/hw/input/vmmouse.c
> +++ b/hw/input/vmmouse.c
> @@ -286,7 +286,7 @@ static void vmmouse_class_initfn(ObjectClass *klass, void
> *data)
> dc->vmsd = &vmstate_vmmouse;
> dc->props = vmmouse_properties;
> /* Reason: pointer property "ps2_mouse" */
> - dc->cannot_instantiate_with_device_add_yet = true;
> + dc->user_creatable = false;
> }
>
> static const TypeInfo vmmouse_info = {
> diff --git a/hw/intc/apic_common.c b/hw/intc/apic_common.c
> index c3829e31b5..1ef56f8d10 100644
> --- a/hw/intc/apic_common.c
> +++ b/hw/intc/apic_common.c
> @@ -501,7 +501,7 @@ static void apic_common_class_init(ObjectClass *klass,
> void *data)
> * Reason: APIC and CPU need to be wired up by
> * x86_cpu_apic_create()
> */
> - dc->cannot_instantiate_with_device_add_yet = true;
> + dc->user_creatable = false;
> }
>
> static const TypeInfo apic_common_type = {
> diff --git a/hw/intc/etraxfs_pic.c b/hw/intc/etraxfs_pic.c
> index 64a6f4b4ba..1bfde2f09e 100644
> --- a/hw/intc/etraxfs_pic.c
> +++ b/hw/intc/etraxfs_pic.c
> @@ -173,7 +173,7 @@ static void etraxfs_pic_class_init(ObjectClass *klass,
> void *data)
> dc->props = etraxfs_pic_properties;
> /*
> * Note: pointer property "interrupt_vector" may remain null, thus
> - * no need for dc->cannot_instantiate_with_device_add_yet = true;
> + * no need for dc->user_creatable = false;
> */
> }
>
> diff --git a/hw/intc/grlib_irqmp.c b/hw/intc/grlib_irqmp.c
> index ac7e63f38b..94659ee256 100644
> --- a/hw/intc/grlib_irqmp.c
> +++ b/hw/intc/grlib_irqmp.c
> @@ -360,7 +360,7 @@ static void grlib_irqmp_class_init(ObjectClass *klass,
> void *data)
> dc->reset = grlib_irqmp_reset;
> dc->props = grlib_irqmp_properties;
> /* Reason: pointer properties "set_pil_in", "set_pil_in_opaque" */
> - dc->cannot_instantiate_with_device_add_yet = true;
> + dc->user_creatable = false;
> dc->realize = grlib_irqmp_realize;
> }
>
> diff --git a/hw/intc/i8259_common.c b/hw/intc/i8259_common.c
> index d9a5e8b217..c2fd563b5b 100644
> --- a/hw/intc/i8259_common.c
> +++ b/hw/intc/i8259_common.c
> @@ -144,7 +144,7 @@ static void pic_common_class_init(ObjectClass *klass,
> void *data)
> * wiring of the slave to the master is hard-coded in device model
> * code.
> */
> - dc->cannot_instantiate_with_device_add_yet = true;
> + dc->user_creatable = false;
> }
>
> static const TypeInfo pic_common_type = {
> diff --git a/hw/intc/nios2_iic.c b/hw/intc/nios2_iic.c
> index 190b6fdbf3..016426f964 100644
> --- a/hw/intc/nios2_iic.c
> +++ b/hw/intc/nios2_iic.c
> @@ -80,7 +80,7 @@ static void altera_iic_class_init(ObjectClass *klass, void
> *data)
> DeviceClass *dc = DEVICE_CLASS(klass);
>
> /* Reason: needs to be wired up, e.g. by nios2_10m50_ghrd_init() */
> - dc->cannot_instantiate_with_device_add_yet = true;
> + dc->user_creatable = false;
> dc->realize = altera_iic_realize;
> }
>
> diff --git a/hw/intc/omap_intc.c b/hw/intc/omap_intc.c
> index 877be67971..ccdda89dab 100644
> --- a/hw/intc/omap_intc.c
> +++ b/hw/intc/omap_intc.c
> @@ -401,7 +401,7 @@ static void omap_intc_class_init(ObjectClass *klass, void
> *data)
> dc->reset = omap_inth_reset;
> dc->props = omap_intc_properties;
> /* Reason: pointer property "clk" */
> - dc->cannot_instantiate_with_device_add_yet = true;
> + dc->user_creatable = false;
> dc->realize = omap_intc_realize;
> }
>
> @@ -656,7 +656,7 @@ static void omap2_intc_class_init(ObjectClass *klass,
> void *data)
> dc->reset = omap_inth_reset;
> dc->props = omap2_intc_properties;
> /* Reason: pointer property "iclk", "fclk" */
> - dc->cannot_instantiate_with_device_add_yet = true;
> + dc->user_creatable = false;
> dc->realize = omap2_intc_realize;
> }
>
> diff --git a/hw/isa/lpc_ich9.c b/hw/isa/lpc_ich9.c
> index 59930dd9d0..cdc854a822 100644
> --- a/hw/isa/lpc_ich9.c
> +++ b/hw/isa/lpc_ich9.c
> @@ -810,7 +810,7 @@ static void ich9_lpc_class_init(ObjectClass *klass, void
> *data)
> * Reason: part of ICH9 southbridge, needs to be wired up by
> * pc_q35_init()
> */
> - dc->cannot_instantiate_with_device_add_yet = true;
> + dc->user_creatable = false;
> hc->plug = ich9_pm_device_plug_cb;
> hc->unplug_request = ich9_pm_device_unplug_request_cb;
> hc->unplug = ich9_pm_device_unplug_cb;
> diff --git a/hw/isa/piix4.c b/hw/isa/piix4.c
> index 5500fcc4d6..f811eba59d 100644
> --- a/hw/isa/piix4.c
> +++ b/hw/isa/piix4.c
> @@ -123,7 +123,7 @@ static void piix4_class_init(ObjectClass *klass, void
> *data)
> * Reason: part of PIIX4 southbridge, needs to be wired up,
> * e.g. by mips_malta_init()
> */
> - dc->cannot_instantiate_with_device_add_yet = true;
> + dc->user_creatable = false;
> dc->hotpluggable = false;
> }
>
> diff --git a/hw/isa/vt82c686.c b/hw/isa/vt82c686.c
> index 41d5254f8e..50dc83df77 100644
> --- a/hw/isa/vt82c686.c
> +++ b/hw/isa/vt82c686.c
> @@ -494,7 +494,7 @@ static void via_class_init(ObjectClass *klass, void *data)
> * Reason: part of VIA VT82C686 southbridge, needs to be wired up,
> * e.g. by mips_fulong2e_init()
> */
> - dc->cannot_instantiate_with_device_add_yet = true;
> + dc->user_creatable = false;
> }
>
> static const TypeInfo via_info = {
> diff --git a/hw/mips/gt64xxx_pci.c b/hw/mips/gt64xxx_pci.c
> index 4811843ab6..e8b2eef688 100644
> --- a/hw/mips/gt64xxx_pci.c
> +++ b/hw/mips/gt64xxx_pci.c
> @@ -1224,7 +1224,7 @@ static void gt64120_pci_class_init(ObjectClass *klass,
> void *data)
> * PCI-facing part of the host bridge, not usable without the
> * host-facing part, which can't be device_add'ed, yet.
> */
> - dc->cannot_instantiate_with_device_add_yet = true;
> + dc->user_creatable = false;
> }
>
> static const TypeInfo gt64120_pci_info = {
> diff --git a/hw/misc/vmport.c b/hw/misc/vmport.c
> index be40930b8b..165500223f 100644
> --- a/hw/misc/vmport.c
> +++ b/hw/misc/vmport.c
> @@ -163,7 +163,7 @@ static void vmport_class_initfn(ObjectClass *klass, void
> *data)
>
> dc->realize = vmport_realizefn;
> /* Reason: realize sets global port_state */
> - dc->cannot_instantiate_with_device_add_yet = true;
> + dc->user_creatable = false;
> }
>
> static const TypeInfo vmport_info = {
> diff --git a/hw/net/dp8393x.c b/hw/net/dp8393x.c
> index efa33ad40a..b53fcaa8bc 100644
> --- a/hw/net/dp8393x.c
> +++ b/hw/net/dp8393x.c
> @@ -934,7 +934,7 @@ static void dp8393x_class_init(ObjectClass *klass, void
> *data)
> dc->vmsd = &vmstate_dp8393x;
> dc->props = dp8393x_properties;
> /* Reason: dma_mr property can't be set */
> - dc->cannot_instantiate_with_device_add_yet = true;
> + dc->user_creatable = false;
> }
>
> static const TypeInfo dp8393x_info = {
> diff --git a/hw/net/etraxfs_eth.c b/hw/net/etraxfs_eth.c
> index efaa49faae..013c8d0a41 100644
> --- a/hw/net/etraxfs_eth.c
> +++ b/hw/net/etraxfs_eth.c
> @@ -630,7 +630,7 @@ static void etraxfs_eth_class_init(ObjectClass *klass,
> void *data)
> k->init = fs_eth_init;
> dc->props = etraxfs_eth_properties;
> /* Reason: pointer properties "dma_out", "dma_in" */
> - dc->cannot_instantiate_with_device_add_yet = true;
> + dc->user_creatable = false;
> }
>
> static const TypeInfo etraxfs_eth_info = {
> diff --git a/hw/net/lance.c b/hw/net/lance.c
> index 573d724bcf..92b0c68274 100644
> --- a/hw/net/lance.c
> +++ b/hw/net/lance.c
> @@ -165,7 +165,7 @@ static void lance_class_init(ObjectClass *klass, void
> *data)
> dc->vmsd = &vmstate_lance;
> dc->props = lance_properties;
> /* Reason: pointer property "dma" */
> - dc->cannot_instantiate_with_device_add_yet = true;
> + dc->user_creatable = false;
> }
>
> static const TypeInfo lance_info = {
> diff --git a/hw/pci-bridge/dec.c b/hw/pci-bridge/dec.c
> index 840c96198a..cca93620ac 100644
> --- a/hw/pci-bridge/dec.c
> +++ b/hw/pci-bridge/dec.c
> @@ -128,7 +128,7 @@ static void dec_21154_pci_host_class_init(ObjectClass
> *klass, void *data)
> * PCI-facing part of the host bridge, not usable without the
> * host-facing part, which can't be device_add'ed, yet.
> */
> - dc->cannot_instantiate_with_device_add_yet = true;
> + dc->user_creatable = false;
> }
>
> static const TypeInfo dec_21154_pci_host_info = {
> diff --git a/hw/pci-bridge/pci_expander_bridge.c
> b/hw/pci-bridge/pci_expander_bridge.c
> index 6ac187fa32..ff59abf208 100644
> --- a/hw/pci-bridge/pci_expander_bridge.c
> +++ b/hw/pci-bridge/pci_expander_bridge.c
> @@ -150,7 +150,7 @@ static void pxb_host_class_init(ObjectClass *class, void
> *data)
>
> dc->fw_name = "pci";
> /* Reason: Internal part of the pxb/pxb-pcie device, not usable by
> itself */
> - dc->cannot_instantiate_with_device_add_yet = true;
> + dc->user_creatable = false;
> sbc->explicit_ofw_unit_address = pxb_host_ofw_unit_address;
> hc->root_bus_path = pxb_host_root_bus_path;
> }
> diff --git a/hw/pci-host/apb.c b/hw/pci-host/apb.c
> index 653e711121..edc88f4c65 100644
> --- a/hw/pci-host/apb.c
> +++ b/hw/pci-host/apb.c
> @@ -810,7 +810,7 @@ static void pbm_pci_host_class_init(ObjectClass *klass,
> void *data)
> * PCI-facing part of the host bridge, not usable without the
> * host-facing part, which can't be device_add'ed, yet.
> */
> - dc->cannot_instantiate_with_device_add_yet = true;
> + dc->user_creatable = false;
> }
>
> static const TypeInfo pbm_pci_host_info = {
> diff --git a/hw/pci-host/bonito.c b/hw/pci-host/bonito.c
> index 1999ece590..85a3bb0dd2 100644
> --- a/hw/pci-host/bonito.c
> +++ b/hw/pci-host/bonito.c
> @@ -825,7 +825,7 @@ static void bonito_class_init(ObjectClass *klass, void
> *data)
> * PCI-facing part of the host bridge, not usable without the
> * host-facing part, which can't be device_add'ed, yet.
> */
> - dc->cannot_instantiate_with_device_add_yet = true;
> + dc->user_creatable = false;
> }
>
> static const TypeInfo bonito_info = {
> diff --git a/hw/pci-host/gpex.c b/hw/pci-host/gpex.c
> index 66055ee5cc..e2629ce70d 100644
> --- a/hw/pci-host/gpex.c
> +++ b/hw/pci-host/gpex.c
> @@ -136,7 +136,7 @@ static void gpex_root_class_init(ObjectClass *klass, void
> *data)
> * PCI-facing part of the host bridge, not usable without the
> * host-facing part, which can't be device_add'ed, yet.
> */
> - dc->cannot_instantiate_with_device_add_yet = true;
> + dc->user_creatable = false;
> }
>
> static const TypeInfo gpex_root_info = {
> diff --git a/hw/pci-host/grackle.c b/hw/pci-host/grackle.c
> index 2c8acdaaca..2e281f6155 100644
> --- a/hw/pci-host/grackle.c
> +++ b/hw/pci-host/grackle.c
> @@ -134,7 +134,7 @@ static void grackle_pci_class_init(ObjectClass *klass,
> void *data)
> * PCI-facing part of the host bridge, not usable without the
> * host-facing part, which can't be device_add'ed, yet.
> */
> - dc->cannot_instantiate_with_device_add_yet = true;
> + dc->user_creatable = false;
> }
>
> static const TypeInfo grackle_pci_info = {
> diff --git a/hw/pci-host/piix.c b/hw/pci-host/piix.c
> index f9218aa952..81f3a9e211 100644
> --- a/hw/pci-host/piix.c
> +++ b/hw/pci-host/piix.c
> @@ -691,7 +691,7 @@ static void pci_piix3_class_init(ObjectClass *klass, void
> *data)
> * Reason: part of PIIX3 southbridge, needs to be wired up by
> * pc_piix.c's pc_init1()
> */
> - dc->cannot_instantiate_with_device_add_yet = true;
> + dc->user_creatable = false;
> }
>
> static const TypeInfo piix3_pci_type_info = {
> @@ -745,7 +745,7 @@ static void i440fx_class_init(ObjectClass *klass, void
> *data)
> * PCI-facing part of the host bridge, not usable without the
> * host-facing part, which can't be device_add'ed, yet.
> */
> - dc->cannot_instantiate_with_device_add_yet = true;
> + dc->user_creatable = false;
> dc->hotpluggable = false;
> }
>
> @@ -874,7 +874,7 @@ static void i440fx_pcihost_class_init(ObjectClass *klass,
> void *data)
> dc->fw_name = "pci";
> dc->props = i440fx_props;
> /* Reason: needs to be wired up by pc_init1 */
> - dc->cannot_instantiate_with_device_add_yet = true;
> + dc->user_creatable = false;
> }
>
> static const TypeInfo i440fx_pcihost_info = {
> diff --git a/hw/pci-host/ppce500.c b/hw/pci-host/ppce500.c
> index e502bc0505..becc0eeb76 100644
> --- a/hw/pci-host/ppce500.c
> +++ b/hw/pci-host/ppce500.c
> @@ -508,7 +508,7 @@ static void e500_host_bridge_class_init(ObjectClass
> *klass, void *data)
> * PCI-facing part of the host bridge, not usable without the
> * host-facing part, which can't be device_add'ed, yet.
> */
> - dc->cannot_instantiate_with_device_add_yet = true;
> + dc->user_creatable = false;
> }
>
> static const TypeInfo e500_host_bridge_info = {
> diff --git a/hw/pci-host/prep.c b/hw/pci-host/prep.c
> index 260a119a9e..900a6edfcf 100644
> --- a/hw/pci-host/prep.c
> +++ b/hw/pci-host/prep.c
> @@ -364,7 +364,7 @@ static void raven_class_init(ObjectClass *klass, void
> *data)
> * Reason: PCI-facing part of the host bridge, not usable without
> * the host-facing part, which can't be device_add'ed, yet.
> */
> - dc->cannot_instantiate_with_device_add_yet = true;
> + dc->user_creatable = false;
> }
>
> static const TypeInfo raven_info = {
> diff --git a/hw/pci-host/q35.c b/hw/pci-host/q35.c
> index 344f77b10c..cd5c49616e 100644
> --- a/hw/pci-host/q35.c
> +++ b/hw/pci-host/q35.c
> @@ -156,7 +156,7 @@ static void q35_host_class_init(ObjectClass *klass, void
> *data)
> dc->realize = q35_host_realize;
> dc->props = mch_props;
> /* Reason: needs to be wired up by pc_q35_init */
> - dc->cannot_instantiate_with_device_add_yet = true;
> + dc->user_creatable = false;
> set_bit(DEVICE_CATEGORY_BRIDGE, dc->categories);
> dc->fw_name = "pci";
> }
> @@ -549,7 +549,7 @@ static void mch_class_init(ObjectClass *klass, void *data)
> * PCI-facing part of the host bridge, not usable without the
> * host-facing part, which can't be device_add'ed, yet.
> */
> - dc->cannot_instantiate_with_device_add_yet = true;
> + dc->user_creatable = false;
> }
>
> static const TypeInfo mch_info = {
> diff --git a/hw/pci-host/uninorth.c b/hw/pci-host/uninorth.c
> index df342ac3cb..6cf5e59f86 100644
> --- a/hw/pci-host/uninorth.c
> +++ b/hw/pci-host/uninorth.c
> @@ -366,7 +366,7 @@ static void unin_main_pci_host_class_init(ObjectClass
> *klass, void *data)
> * PCI-facing part of the host bridge, not usable without the
> * host-facing part, which can't be device_add'ed, yet.
> */
> - dc->cannot_instantiate_with_device_add_yet = true;
> + dc->user_creatable = false;
> }
>
> static const TypeInfo unin_main_pci_host_info = {
> @@ -390,7 +390,7 @@ static void u3_agp_pci_host_class_init(ObjectClass
> *klass, void *data)
> * PCI-facing part of the host bridge, not usable without the
> * host-facing part, which can't be device_add'ed, yet.
> */
> - dc->cannot_instantiate_with_device_add_yet = true;
> + dc->user_creatable = false;
> }
>
> static const TypeInfo u3_agp_pci_host_info = {
> @@ -414,7 +414,7 @@ static void unin_agp_pci_host_class_init(ObjectClass
> *klass, void *data)
> * PCI-facing part of the host bridge, not usable without the
> * host-facing part, which can't be device_add'ed, yet.
> */
> - dc->cannot_instantiate_with_device_add_yet = true;
> + dc->user_creatable = false;
> }
>
> static const TypeInfo unin_agp_pci_host_info = {
> @@ -438,7 +438,7 @@ static void unin_internal_pci_host_class_init(ObjectClass
> *klass, void *data)
> * PCI-facing part of the host bridge, not usable without the
> * host-facing part, which can't be device_add'ed, yet.
> */
> - dc->cannot_instantiate_with_device_add_yet = true;
> + dc->user_creatable = false;
> }
>
> static const TypeInfo unin_internal_pci_host_info = {
> diff --git a/hw/pci-host/versatile.c b/hw/pci-host/versatile.c
> index 467cbb9cb8..cc51fc87a3 100644
> --- a/hw/pci-host/versatile.c
> +++ b/hw/pci-host/versatile.c
> @@ -479,7 +479,7 @@ static void versatile_pci_host_class_init(ObjectClass
> *klass, void *data)
> * PCI-facing part of the host bridge, not usable without the
> * host-facing part, which can't be device_add'ed, yet.
> */
> - dc->cannot_instantiate_with_device_add_yet = true;
> + dc->user_creatable = false;
> }
>
> static const TypeInfo versatile_pci_host_info = {
> diff --git a/hw/pci-host/xilinx-pcie.c b/hw/pci-host/xilinx-pcie.c
> index 8b71e2d950..a968cea2af 100644
> --- a/hw/pci-host/xilinx-pcie.c
> +++ b/hw/pci-host/xilinx-pcie.c
> @@ -309,7 +309,7 @@ static void xilinx_pcie_root_class_init(ObjectClass
> *klass, void *data)
> * PCI-facing part of the host bridge, not usable without the
> * host-facing part, which can't be device_add'ed, yet.
> */
> - dc->cannot_instantiate_with_device_add_yet = true;
> + dc->user_creatable = false;
> }
>
> static const TypeInfo xilinx_pcie_root_info = {
> diff --git a/hw/ppc/ppc4xx_pci.c b/hw/ppc/ppc4xx_pci.c
> index dc19682970..6953f8b9ac 100644
> --- a/hw/ppc/ppc4xx_pci.c
> +++ b/hw/ppc/ppc4xx_pci.c
> @@ -351,7 +351,7 @@ static void ppc4xx_host_bridge_class_init(ObjectClass
> *klass, void *data)
> * PCI-facing part of the host bridge, not usable without the
> * host-facing part, which can't be device_add'ed, yet.
> */
> - dc->cannot_instantiate_with_device_add_yet = true;
> + dc->user_creatable = false;
> }
>
> static const TypeInfo ppc4xx_host_bridge_info = {
> diff --git a/hw/ppc/spapr_drc.c b/hw/ppc/spapr_drc.c
> index a1cdc875b1..9fa5545991 100644
> --- a/hw/ppc/spapr_drc.c
> +++ b/hw/ppc/spapr_drc.c
> @@ -675,7 +675,7 @@ static void spapr_dr_connector_class_init(ObjectClass *k,
> void *data)
> /*
> * Reason: it crashes FIXME find and document the real reason
> */
> - dk->cannot_instantiate_with_device_add_yet = true;
> + dk->user_creatable = false;
> }
>
> static const TypeInfo spapr_dr_connector_info = {
> diff --git a/hw/s390x/s390-pci-bus.c b/hw/s390x/s390-pci-bus.c
> index 69b0291e8a..1ec30c45ce 100644
> --- a/hw/s390x/s390-pci-bus.c
> +++ b/hw/s390x/s390-pci-bus.c
> @@ -867,7 +867,7 @@ static void s390_pcihost_class_init(ObjectClass *klass,
> void *data)
> DeviceClass *dc = DEVICE_CLASS(klass);
> HotplugHandlerClass *hc = HOTPLUG_HANDLER_CLASS(klass);
>
> - dc->cannot_instantiate_with_device_add_yet = true;
> + dc->user_creatable = false;
> dc->reset = s390_pcihost_reset;
> k->init = s390_pcihost_init;
> hc->plug = s390_pcihost_hot_plug;
> diff --git a/hw/sd/milkymist-memcard.c b/hw/sd/milkymist-memcard.c
> index 1f2f0ed44a..4008c81002 100644
> --- a/hw/sd/milkymist-memcard.c
> +++ b/hw/sd/milkymist-memcard.c
> @@ -299,7 +299,7 @@ static void milkymist_memcard_class_init(ObjectClass
> *klass, void *data)
> dc->reset = milkymist_memcard_reset;
> dc->vmsd = &vmstate_milkymist_memcard;
> /* Reason: init() method uses drive_get_next() */
> - dc->cannot_instantiate_with_device_add_yet = true;
> + dc->user_creatable = false;
> }
>
> static const TypeInfo milkymist_memcard_info = {
> diff --git a/hw/sd/pl181.c b/hw/sd/pl181.c
> index 82c63a4fb5..55c8098ecd 100644
> --- a/hw/sd/pl181.c
> +++ b/hw/sd/pl181.c
> @@ -515,7 +515,7 @@ static void pl181_class_init(ObjectClass *klass, void
> *data)
> k->vmsd = &vmstate_pl181;
> k->reset = pl181_reset;
> /* Reason: init() method uses drive_get_next() */
> - k->cannot_instantiate_with_device_add_yet = true;
> + k->user_creatable = false;
> k->realize = pl181_realize;
> }
>
> diff --git a/hw/sh4/sh_pci.c b/hw/sh4/sh_pci.c
> index 1747628f3d..38395c082b 100644
> --- a/hw/sh4/sh_pci.c
> +++ b/hw/sh4/sh_pci.c
> @@ -171,7 +171,7 @@ static void sh_pci_host_class_init(ObjectClass *klass,
> void *data)
> * PCI-facing part of the host bridge, not usable without the
> * host-facing part, which can't be device_add'ed, yet.
> */
> - dc->cannot_instantiate_with_device_add_yet = true;
> + dc->user_creatable = false;
> }
>
> static const TypeInfo sh_pci_host_info = {
> diff --git a/hw/timer/i8254_common.c b/hw/timer/i8254_common.c
> index e18299a482..976d5200f1 100644
> --- a/hw/timer/i8254_common.c
> +++ b/hw/timer/i8254_common.c
> @@ -287,7 +287,7 @@ static void pit_common_class_init(ObjectClass *klass,
> void *data)
> * wired to the HPET, and because of that, some wiring is always
> * done by board code.
> */
> - dc->cannot_instantiate_with_device_add_yet = true;
> + dc->user_creatable = false;
> }
>
> static const TypeInfo pit_common_type = {
> diff --git a/hw/timer/mc146818rtc.c b/hw/timer/mc146818rtc.c
> index 4165450250..93de3e1cc5 100644
> --- a/hw/timer/mc146818rtc.c
> +++ b/hw/timer/mc146818rtc.c
> @@ -973,7 +973,7 @@ static void rtc_class_initfn(ObjectClass *klass, void
> *data)
> dc->vmsd = &vmstate_rtc;
> dc->props = mc146818rtc_properties;
> /* Reason: needs to be wired up by rtc_init() */
> - dc->cannot_instantiate_with_device_add_yet = true;
> + dc->user_creatable = false;
> }
>
> static void rtc_finalize(Object *obj)
> diff --git a/monitor.c b/monitor.c
> index be282ecb80..e06edec2bd 100644
> --- a/monitor.c
> +++ b/monitor.c
> @@ -3156,7 +3156,7 @@ void device_add_completion(ReadLineState *rs, int
> nb_args, const char *str)
> TYPE_DEVICE);
> name = object_class_get_name(OBJECT_CLASS(dc));
>
> - if (!dc->cannot_instantiate_with_device_add_yet
> + if (dc->user_creatable
> && !strncmp(name, str, len)) {
> readline_add_completion(rs, name);
> }
> diff --git a/qdev-monitor.c b/qdev-monitor.c
> index 5f2fcdfc45..e4c180c6bc 100644
> --- a/qdev-monitor.c
> +++ b/qdev-monitor.c
> @@ -113,7 +113,7 @@ static void qdev_print_devinfo(DeviceClass *dc)
> if (dc->desc) {
> error_printf(", desc \"%s\"", dc->desc);
> }
> - if (dc->cannot_instantiate_with_device_add_yet) {
> + if (!dc->user_creatable) {
> error_printf(", no-user");
> }
> error_printf("\n");
> @@ -155,7 +155,7 @@ static void qdev_print_devinfos(bool show_no_user)
> ? !test_bit(i, dc->categories)
> : !bitmap_empty(dc->categories, DEVICE_CATEGORY_MAX))
> || (!show_no_user
> - && dc->cannot_instantiate_with_device_add_yet)) {
> + && !dc->user_creatable)) {
> continue;
> }
> if (!cat_printed) {
> @@ -240,7 +240,7 @@ static DeviceClass *qdev_get_device_class(const char
> **driver, Error **errp)
> }
>
> dc = DEVICE_CLASS(oc);
> - if (dc->cannot_instantiate_with_device_add_yet ||
> + if (!dc->user_creatable ||
> (qdev_hotplug && !dc->hotpluggable)) {
> error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "driver",
> "pluggable device type");
> diff --git a/qom/cpu.c b/qom/cpu.c
> index f02e9c0fae..73ae140d7e 100644
> --- a/qom/cpu.c
> +++ b/qom/cpu.c
> @@ -449,7 +449,7 @@ static void cpu_class_init(ObjectClass *klass, void *data)
> * Reason: CPUs still need special care by board code: wiring up
> * IRQs, adding reset handlers, halting non-first CPUs, ...
> */
> - dc->cannot_instantiate_with_device_add_yet = true;
> + dc->user_creatable = false;
> }
>
> static const TypeInfo cpu_type_info = {
> diff --git a/target/i386/cpu.c b/target/i386/cpu.c
> index 13c0985f11..4b3bfb3802 100644
> --- a/target/i386/cpu.c
> +++ b/target/i386/cpu.c
> @@ -4066,7 +4066,7 @@ static void x86_cpu_common_class_init(ObjectClass *oc,
> void *data)
> cc->cpu_exec_enter = x86_cpu_exec_enter;
> cc->cpu_exec_exit = x86_cpu_exec_exit;
>
> - dc->cannot_instantiate_with_device_add_yet = false;
> + dc->user_creatable = true;
> }
>
> static const TypeInfo x86_cpu_type_info = {
> --
> 2.11.0.259.g40922b1
>
>
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- Re: [Qemu-devel] [RFC 01/19] qdev: Replace cannot_instantiate_with_device_add_yet with !user_creatable,
Alistair Francis <=