Hi Andre,

On 12/10/20 2:28 PM, Andre Przywara wrote:
> To be able to use the VESA device with the new generic I/O trap handler,
> we need to use the different MMIO handler callback routine.
>
> Replace the existing dummy in and out handlers with a joint dummy
> MMIO handler, and register this using the new registration function.
>
> Signed-off-by: Andre Przywara <[email protected]>
> ---
>  hw/vesa.c | 19 +++++--------------
>  1 file changed, 5 insertions(+), 14 deletions(-)
>
> diff --git a/hw/vesa.c b/hw/vesa.c
> index 8659a002..7f82cdb4 100644
> --- a/hw/vesa.c
> +++ b/hw/vesa.c
> @@ -43,21 +43,11 @@ static struct framebuffer vesafb = {
>       .mem_size       = VESA_MEM_SIZE,
>  };
>  
> -static bool vesa_pci_io_in(struct ioport *ioport, struct kvm_cpu *vcpu, u16 
> port, void *data, int size)
> +static void vesa_pci_io(struct kvm_cpu *vcpu, u64 addr, u8 *data, u32 len,
> +                     u8 is_write, void *ptr)
>  {
> -     return true;
>  }
>  
> -static bool vesa_pci_io_out(struct ioport *ioport, struct kvm_cpu *vcpu, u16 
> port, void *data, int size)
> -{
> -     return true;
> -}
> -
> -static struct ioport_operations vesa_io_ops = {
> -     .io_in                  = vesa_pci_io_in,
> -     .io_out                 = vesa_pci_io_out,
> -};
> -
>  static int vesa__bar_activate(struct kvm *kvm, struct pci_device_header 
> *pci_hdr,
>                             int bar_num, void *data)
>  {
> @@ -82,7 +72,8 @@ struct framebuffer *vesa__init(struct kvm *kvm)
>       BUILD_BUG_ON(VESA_MEM_SIZE < VESA_BPP/8 * VESA_WIDTH * VESA_HEIGHT);
>  
>       vesa_base_addr = pci_get_io_port_block(PCI_IO_SIZE);
> -     r = ioport__register(kvm, vesa_base_addr, &vesa_io_ops, PCI_IO_SIZE, 
> NULL);
> +     r = kvm__register_pio(kvm, vesa_base_addr, PCI_IO_SIZE, vesa_pci_io,
> +                           NULL);
>       if (r < 0)
>               goto out_error;
>  
> @@ -116,7 +107,7 @@ unmap_dev:
>  unregister_device:
>       device__unregister(&vesa_device);
>  unregister_ioport:
> -     ioport__unregister(kvm, vesa_base_addr);
> +     kvm__deregister_pio(kvm, vesa_base_addr);
>  out_error:
>       return ERR_PTR(r);
>  }

Looks good:

Reviewed-by: Alexandru Elisei <[email protected]>

Thanks,

Alex

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