Re: [Qemu-devel] [PATCH v2 2/7] ioapic: convert to qdev

[Blue Swirl <blauwirbel@gmail.com>]

On Mon, Jun 14, 2010 at 9:33 AM, Markus Armbruster <armbru@redhat.com> wrote:
> Blue Swirl <blauwirbel@gmail.com> writes:
>
>> Convert to qdev.
>>
>> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
>> ---
>>  hw/apic.h    |    2 --
>>  hw/ioapic.c  |   45 ++++++++++++++++++++++++++++++---------------
>>  hw/pc.h      |    4 +++-
>>  hw/pc_piix.c |   19 ++++++++++++++++++-
>>  4 files changed, 51 insertions(+), 19 deletions(-)
>>
>> diff --git a/hw/apic.h b/hw/apic.h
>> index e1954f4..dc41400 100644
>> --- a/hw/apic.h
>> +++ b/hw/apic.h
>> @@ -1,7 +1,6 @@
>>  #ifndef APIC_H
>>  #define APIC_H
>>
>> -typedef struct IOAPICState IOAPICState;
>>  void apic_deliver_irq(uint8_t dest, uint8_t dest_mode,
>>                               uint8_t delivery_mode,
>>                               uint8_t vector_num, uint8_t polarity,
>> @@ -10,7 +9,6 @@ int apic_init(CPUState *env);
>>  int apic_accept_pic_intr(CPUState *env);
>>  void apic_deliver_pic_intr(CPUState *env, int level);
>>  int apic_get_interrupt(CPUState *env);
>> -qemu_irq *ioapic_init(void);
>>  void apic_reset_irq_delivered(void);
>>  int apic_get_irq_delivered(void);
>>
>> diff --git a/hw/ioapic.c b/hw/ioapic.c
>> index e3f8a46..0336dbd 100644
>> --- a/hw/ioapic.c
>> +++ b/hw/ioapic.c
>> @@ -25,6 +25,7 @@
>>  #include "apic.h"
>>  #include "qemu-timer.h"
>>  #include "host-utils.h"
>> +#include "sysbus.h"
>>
>>  //#define DEBUG_IOAPIC
>>
>> @@ -35,7 +36,6 @@
>>  #define DPRINTF(fmt, ...)
>>  #endif
>>
>> -#define IOAPIC_NUM_PINS                      0x18
>>  #define IOAPIC_LVT_MASKED            (1<<16)
>>
>>  #define IOAPIC_TRIGGER_EDGE          0
>> @@ -50,7 +50,10 @@
>>  #define IOAPIC_DM_SIPI                       0x5
>>  #define IOAPIC_DM_EXTINT             0x7
>>
>> +typedef struct IOAPICState IOAPICState;
>> +
>>  struct IOAPICState {
>> +    SysBusDevice busdev;
>>      uint8_t id;
>>      uint8_t ioregsel;
>>
>> @@ -209,12 +212,14 @@ static const VMStateDescription vmstate_ioapic = {
>>      }
>>  };
>>
>> -static void ioapic_reset(void *opaque)
>> +static void ioapic_reset(DeviceState *d)
>>  {
>> -    IOAPICState *s = opaque;
>> +    IOAPICState *s = container_of(d, IOAPICState, busdev.qdev);
>
> DO_UPCAST()?  I hate it, but it's what the other devices do...

Both are used:
grep container_of hw/*.[ch]|wc -l
81
grep DO_UPCAST hw/*.[ch]|wc -l
246