Re: [Qemu-devel] [PATCH 2/5] pseries: Instantiate USB if requested

[Benjamin Herrenschmidt <benh@kernel.crashing.org>]

On Tue, 2012-07-31 at 16:09 +1000, David Gibson wrote:
> The pseries machine currently ignores the -usb command line option.
> This patch corrects the problem by having it instantiate a PCI OHCI
> USB host controller when -usb is specified.
> 
> Signed-off-by: David Gibson <david@gibson.dropbear.id.au>

Li Zhang <zhlcindy@gmail.com> has been owning that patch for a while and
I believe has a better version.

Li, what's the status with it ? Alex ?

Cheers,
Ben.


> ---
>  hw/spapr.c |    7 +++++++
>  1 file changed, 7 insertions(+)
> 
> diff --git a/hw/spapr.c b/hw/spapr.c
> index ab5a0c2..740881b 100644
> --- a/hw/spapr.c
> +++ b/hw/spapr.c
> @@ -45,6 +45,7 @@
>  #include "kvm.h"
>  #include "kvm_ppc.h"
>  #include "pci.h"
> +#include "usb.h"
>  
>  #include "exec-memory.h"
>  
> @@ -710,6 +711,12 @@ static void ppc_spapr_init(ram_addr_t ram_size,
>          spapr_vscsi_create(spapr->vio_bus);
>      }
>  
> +    /* USB */
> +    if (usb_enabled) {
> +        pci_create_simple(QLIST_FIRST(&spapr->phbs)->host_state.bus,
> +                          -1, "pci-ohci");
> +    }
> +
>      if (rma_size < (MIN_RMA_SLOF << 20)) {
>          fprintf(stderr, "qemu: pSeries SLOF firmware requires >= "
>                  "%ldM guest RMA (Real Mode Area memory)\n", MIN_RMA_SLOF);