Re: [Qemu-devel] [PATCH v4] serial-pci: Set prog interface field of pci config to 16550 compatible

["Michael S. Tsirkin" <mst@redhat.com>]

On Thu, Feb 27, 2014 at 02:05:05AM +0100, BALATON Zoltan wrote:
> Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>

Applied, thanks for your persistence!

> ---
> 
>  v2: resubmission after pc-2.1 is added with the multiport case
>  v3: added compatibility check to avoid changing earlier than pc-2.1
>  v4: renamed compat property to prog_if
> 
>  hw/char/serial-pci.c |  7 +++++++
>  include/hw/i386/pc.h | 15 +++++++++++++++
>  2 files changed, 22 insertions(+)
> 
> diff --git a/hw/char/serial-pci.c b/hw/char/serial-pci.c
> index 991c99f..acccc9c 100644
> --- a/hw/char/serial-pci.c
> +++ b/hw/char/serial-pci.c
> @@ -34,6 +34,7 @@
>  typedef struct PCISerialState {
>      PCIDevice dev;
>      SerialState state;
> +    uint8_t prog_if;
>  } PCISerialState;
>  
>  typedef struct PCIMultiSerialState {
> @@ -44,6 +45,7 @@ typedef struct PCIMultiSerialState {
>      SerialState  state[PCI_SERIAL_MAX_PORTS];
>      uint32_t     level[PCI_SERIAL_MAX_PORTS];
>      qemu_irq     *irqs;
> +    uint8_t      prog_if;
>  } PCIMultiSerialState;
>  
>  static int serial_pci_init(PCIDevice *dev)
> @@ -60,6 +62,7 @@ static int serial_pci_init(PCIDevice *dev)
>          return -1;
>      }
>  
> +    pci->dev.config[PCI_CLASS_PROG] = pci->prog_if;
>      pci->dev.config[PCI_INTERRUPT_PIN] = 0x01;
>      s->irq = pci_allocate_irq(&pci->dev);
>  
> @@ -101,6 +104,7 @@ static int multi_serial_pci_init(PCIDevice *dev)
>      assert(pci->ports > 0);
>      assert(pci->ports <= PCI_SERIAL_MAX_PORTS);
>  
> +    pci->dev.config[PCI_CLASS_PROG] = pci->prog_if;
>      pci->dev.config[PCI_INTERRUPT_PIN] = 0x01;
>      memory_region_init(&pci->iobar, OBJECT(pci), "multiserial", 8 * pci->ports);
>      pci_register_bar(&pci->dev, 0, PCI_BASE_ADDRESS_SPACE_IO, &pci->iobar);
> @@ -177,12 +181,14 @@ static const VMStateDescription vmstate_pci_multi_serial = {
>  
>  static Property serial_pci_properties[] = {
>      DEFINE_PROP_CHR("chardev",  PCISerialState, state.chr),
> +    DEFINE_PROP_UINT8("prog_if",  PCISerialState, prog_if, 0x02),
>      DEFINE_PROP_END_OF_LIST(),
>  };
>  
>  static Property multi_2x_serial_pci_properties[] = {
>      DEFINE_PROP_CHR("chardev1",  PCIMultiSerialState, state[0].chr),
>      DEFINE_PROP_CHR("chardev2",  PCIMultiSerialState, state[1].chr),
> +    DEFINE_PROP_UINT8("prog_if",  PCIMultiSerialState, prog_if, 0x02),
>      DEFINE_PROP_END_OF_LIST(),
>  };
>  
> @@ -191,6 +197,7 @@ static Property multi_4x_serial_pci_properties[] = {
>      DEFINE_PROP_CHR("chardev2",  PCIMultiSerialState, state[1].chr),
>      DEFINE_PROP_CHR("chardev3",  PCIMultiSerialState, state[2].chr),
>      DEFINE_PROP_CHR("chardev4",  PCIMultiSerialState, state[3].chr),
> +    DEFINE_PROP_UINT8("prog_if",  PCIMultiSerialState, prog_if, 0x02),
>      DEFINE_PROP_END_OF_LIST(),
>  };
>  
> diff --git a/include/hw/i386/pc.h b/include/hw/i386/pc.h
> index 32a7687..552fbd8 100644
> --- a/include/hw/i386/pc.h
> +++ b/include/hw/i386/pc.h
> @@ -271,6 +271,21 @@ bool e820_get_entry(int, uint32_t, uint64_t *, uint64_t *);
>              .driver   = "apic",\
>              .property = "version",\
>              .value    = stringify(0x11),\
> +        },\
> +        {\
> +            .driver   = "pci-serial",\
> +            .property = "prog_if",\
> +            .value    = stringify(0),\
> +        },\
> +        {\
> +            .driver   = "pci-serial-2x",\
> +            .property = "prof_if",\
> +            .value    = stringify(0),\
> +        },\
> +        {\
> +            .driver   = "pci-serial-4x",\
> +            .property = "prog_if",\
> +            .value    = stringify(0),\
>          }
>  
>  #define PC_COMPAT_1_7 \
> -- 
> 1.8.1.5