Re: [Qemu-devel] [PATCH v5 3/6] ahci: add support for non-PCI based controllers

["Andreas Färber" <afaerber@suse.de>]

Am 10.01.2012 17:45, schrieb Mark Langsdorf:
> From: Rob Herring <rob.herring@calxeda.com>
> 
> Add support for ahci on sysbus.
> 
> Signed-off-by: Rob Herring <rob.herring@calxeda.com>
> Signed-off-by: Mark Langsdorf <mark.langsdorf@calxeda.com>

Reviewed-by: Andreas Färber <afaerber@suse.de>

Thanks,
Andreas

> ---
> Changes from v4
> 	replaced all references to Plat|plat_ with sysbus_
> 	made the number of ports into a qdev property
> 	added dummy migration support
> Changes from v3
>         Renamed plat-ahci to sysbus-ahci
> Changes from v1, v2
>         Corrected indentation of PlatAHCIState members
>         Made plat_ahci_info into a single structure, not a list
> 
>  hw/ide/ahci.c |   44 ++++++++++++++++++++++++++++++++++++++++++++
>  1 files changed, 44 insertions(+), 0 deletions(-)
> 
> diff --git a/hw/ide/ahci.c b/hw/ide/ahci.c
> index 135d0ee..a3bd4b8 100644
> --- a/hw/ide/ahci.c
> +++ b/hw/ide/ahci.c
> @@ -25,6 +25,7 @@
>  #include <hw/msi.h>
>  #include <hw/pc.h>
>  #include <hw/pci.h>
> +#include <hw/sysbus.h>
>  
>  #include "monitor.h"
>  #include "dma.h"
> @@ -1214,3 +1215,46 @@ void ahci_reset(void *opaque)
>          ahci_reset_port(s, i);
>      }
>  }
> +
> +typedef struct sysbus_ahci_state {
> +    SysBusDevice busdev;
> +    AHCIState ahci;
> +    uint32_t num_ports;
> +} sysbus_ahci_state;
> +
> +static const VMStateDescription vmstate_sysbus_ahci = {
> +    .name = "sysbus-ahci",
> +    .unmigratable = 1,
> +};
> +
> +static int sysbus_ahci_init(SysBusDevice *dev)
> +{
> +    sysbus_ahci_state *s = FROM_SYSBUS(sysbus_ahci_state, dev);
> +    ahci_init(&s->ahci, &dev->qdev, s->num_ports);
> +
> +    sysbus_init_mmio(dev, &s->ahci.mem);
> +    sysbus_init_irq(dev, &s->ahci.irq);
> +
> +    qemu_register_reset(ahci_reset, &s->ahci);
> +    return 0;
> +}
> +
> +static SysBusDeviceInfo sysbus_ahci_info = {
> +    .qdev.name    = "sysbus-ahci",
> +    .qdev.size    = sizeof(sysbus_ahci_state),
> +    .qdev.vmsd    = &vmstate_sysbus_ahci,
> +    .qdev.props = (Property[]) {
> +        DEFINE_PROP_UINT32("num-ports", sysbus_ahci_state, num_ports, 1),
> +        DEFINE_PROP_END_OF_LIST(),
> +    },
> +    .init         = sysbus_ahci_init,
> +
> +
> +};
> +
> +static void sysbus_ahci_register(void)
> +{
> +    sysbus_register_withprop(&sysbus_ahci_info);
> +}
> +
> +device_init(sysbus_ahci_register);

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