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qom/object: enable setter for uint types

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Traditionally, the uint-specific property helpers only offer getters.
When adding object (or class) uint types, one must therefore use the
generic property helper if a setter is needed (and probably duplicate
some code writing their own getters/setters).

This enhances the uint-specific property helper APIs by adding a
bitwise-or'd 'flags' field and modifying all clients of that API to set
this paramater to OBJ_PROP_FLAG_READ. This maintains the current
behaviour whilst allowing others to also set OBJ_PROP_FLAG_WRITE (or use
the more convenient OBJ_PROP_FLAG_READWRITE) in the future (which will
automatically install a setter). Other flags may be added later.

Signed-off-by: Felipe Franciosi <felipe@nutanix.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Felipe Franciosi 2020-02-04 13:15:58 +00:00 • committed by Paolo Bonzini
parent 25aa6b3718
commit 836e1b3813
8 changed files with 247 additions and 49 deletions
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7
hw/acpi/pcihp.c
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@ -80,7 +80,8 @@ static void *acpi_set_bsel(PCIBus *bus, void *opaque)
*bus_bsel = (*bsel_alloc)++;
object_property_add_uint32_ptr(OBJECT(bus), ACPI_PCIHP_PROP_BSEL,
bus_bsel, &error_abort);
bus_bsel, OBJ_PROP_FLAG_READ,
&error_abort);
}
return bsel_alloc;
@ -373,9 +374,9 @@ void acpi_pcihp_init(Object *owner, AcpiPciHpState *s, PCIBus *root_bus,
memory_region_add_subregion(address_space_io, s->io_base, &s->io);
object_property_add_uint16_ptr(owner, ACPI_PCIHP_IO_BASE_PROP, &s->io_base,
&error_abort);
OBJ_PROP_FLAG_READ, &error_abort);
object_property_add_uint16_ptr(owner, ACPI_PCIHP_IO_LEN_PROP, &s->io_len,
&error_abort);
OBJ_PROP_FLAG_READ, &error_abort);
}
const VMStateDescription vmstate_acpi_pcihp_pci_status = {