Re: [PATCH v3 20/33] vmmouse: replace PROP_PTR with PROP_LINK

["Philippe Mathieu-Daudé" <philmd@redhat.com>]

On 10/23/19 7:31 PM, Marc-André Lureau wrote:
> While at it, use the expected type.
> 
> Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
> Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
> ---
>   hw/i386/pc.c             | 6 +++---
>   hw/i386/vmmouse.c        | 8 +++-----
>   hw/input/pckbd.c         | 8 +++-----
>   include/hw/input/i8042.h | 4 +++-
>   4 files changed, 12 insertions(+), 14 deletions(-)
> 
> diff --git a/hw/i386/pc.c b/hw/i386/pc.c
> index 00ee16ccab..021ec8c593 100644
> --- a/hw/i386/pc.c
> +++ b/hw/i386/pc.c
> @@ -1861,9 +1861,9 @@ static void pc_superio_init(ISABus *isa_bus, bool create_fdctrl, bool no_vmport)
>           vmmouse = NULL;
>       }
>       if (vmmouse) {
> -        DeviceState *dev = DEVICE(vmmouse);
> -        qdev_prop_set_ptr(dev, "ps2_mouse", i8042);
> -        qdev_init_nofail(dev);
> +        object_property_set_link(OBJECT(vmmouse), OBJECT(i8042),
> +                                 "i8042", &error_abort);
> +        qdev_init_nofail(DEVICE(vmmouse));
>       }
>       port92 = isa_create_simple(isa_bus, "port92");
>   
> diff --git a/hw/i386/vmmouse.c b/hw/i386/vmmouse.c
> index 41ad91ad53..c0c329f817 100644
> --- a/hw/i386/vmmouse.c
> +++ b/hw/i386/vmmouse.c
> @@ -66,7 +66,7 @@ typedef struct VMMouseState
>       uint16_t status;
>       uint8_t absolute;
>       QEMUPutMouseEntry *entry;
> -    void *ps2_mouse;
> +    ISAKBDState *i8042;
>   } VMMouseState;
>   
>   static uint32_t vmmouse_get_status(VMMouseState *s)
> @@ -105,7 +105,7 @@ static void vmmouse_mouse_event(void *opaque, int x, int y, int dz, int buttons_
>   
>       /* need to still generate PS2 events to notify driver to
>          read from queue */
> -    i8042_isa_mouse_fake_event(s->ps2_mouse);
> +    i8042_isa_mouse_fake_event(s->i8042);
>   }
>   
>   static void vmmouse_remove_handler(VMMouseState *s)
> @@ -275,7 +275,7 @@ static void vmmouse_realizefn(DeviceState *dev, Error **errp)
>   }
>   
>   static Property vmmouse_properties[] = {
> -    DEFINE_PROP_PTR("ps2_mouse", VMMouseState, ps2_mouse),
> +    DEFINE_PROP_LINK("i8042", VMMouseState, i8042, TYPE_I8042, ISAKBDState *),
>       DEFINE_PROP_END_OF_LIST(),
>   };
>   
> @@ -287,8 +287,6 @@ static void vmmouse_class_initfn(ObjectClass *klass, void *data)
>       dc->reset = vmmouse_reset;
>       dc->vmsd = &vmstate_vmmouse;
>       dc->props = vmmouse_properties;
> -    /* Reason: pointer property "ps2_mouse" */
> -    dc->user_creatable = false;
>   }
>   
>   static const TypeInfo vmmouse_info = {
> diff --git a/hw/input/pckbd.c b/hw/input/pckbd.c
> index f0acfd86f7..9b641021c9 100644
> --- a/hw/input/pckbd.c
> +++ b/hw/input/pckbd.c
> @@ -483,17 +483,15 @@ void i8042_mm_init(qemu_irq kbd_irq, qemu_irq mouse_irq,
>   
>   #define I8042(obj) OBJECT_CHECK(ISAKBDState, (obj), TYPE_I8042)
>   
> -typedef struct ISAKBDState {
> +struct ISAKBDState {
>       ISADevice parent_obj;
>   
>       KBDState kbd;
>       MemoryRegion io[2];
> -} ISAKBDState;
> +};
>   
> -void i8042_isa_mouse_fake_event(void *opaque)
> +void i8042_isa_mouse_fake_event(ISAKBDState *isa)
>   {
> -    ISADevice *dev = opaque;
> -    ISAKBDState *isa = I8042(dev);
>       KBDState *s = &isa->kbd;
>   
>       ps2_mouse_fake_event(s->mouse);
> diff --git a/include/hw/input/i8042.h b/include/hw/input/i8042.h
> index 246e6f3335..8eaebf50ce 100644
> --- a/include/hw/input/i8042.h
> +++ b/include/hw/input/i8042.h
> @@ -14,10 +14,12 @@
>   
>   #define I8042_A20_LINE "a20"
>   
> +typedef struct ISAKBDState ISAKBDState;
> +
>   void i8042_mm_init(qemu_irq kbd_irq, qemu_irq mouse_irq,
>                      MemoryRegion *region, ram_addr_t size,
>                      hwaddr mask);
> -void i8042_isa_mouse_fake_event(void *opaque);
> +void i8042_isa_mouse_fake_event(ISAKBDState *isa);
>   void i8042_setup_a20_line(ISADevice *dev, qemu_irq a20_out);
>   
>   #endif /* HW_INPUT_I8042_H */
> 

Nice!

Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>