On 3/31/22 12:21, Philippe Mathieu-Daudé wrote:
On 30/3/22 18:12, Damien Hedde wrote:
This flag will be used in device_add to check if
the device needs special allowance from the machine
model.

It will replace the current check based only on the
device being a TYPE_SYB_BUS_DEVICE.

Signed-off-by: Damien Hedde <damien.he...@greensocs.com>
---
  include/hw/qdev-core.h | 6 ++++++
  hw/core/qdev.c         | 1 +
  hw/core/sysbus.c       | 1 +
  3 files changed, 8 insertions(+)

diff --git a/include/hw/qdev-core.h b/include/hw/qdev-core.h
index 92c3d65208..f5a05ced39 100644
--- a/include/hw/qdev-core.h
+++ b/include/hw/qdev-core.h
@@ -123,6 +123,12 @@ struct DeviceClass {
       */
      bool user_creatable;
      bool hotpluggable;
+    /*
+     * Some devices (eg: sysbus devices) are only user-creatable if
+     * the machine allowed it. user_creatable need still to be set to
+     * true, this is an additional constraint.
+     */
+    bool uc_requires_machine_allowance;

Why not name it user_creatable_requires_machine_allowance? Also I'd put
it just after user_creatable.

I was worried about the length being too long when initially writing this patch.
Since we use it only doing the following:
> if (dc->user_creatable_requires_machine_allowance)
or
> dc->user_creatable_requires_machine_allowance = false;
The length will be ok anyway, so I'll rename it, it is less confusing.

I'll also move it ahead and respin.

Thanks,
Damien


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