Re: [Qemu-devel] [RFC v3 06/10] ESP: add pseudo-DMA as used by Macintosh

[Paolo Bonzini <pbonzini@redhat.com>]

On 28/06/2018 01:29, Laurent Vivier wrote:
>      int32_t ti_size;
> @@ -46,6 +47,11 @@ struct ESPState {
>      ESPDMAMemoryReadWriteFunc dma_memory_write;
>      void *dma_opaque;
>      void (*dma_cb)(ESPState *s);
> +    uint8_t pdma_buf[32];
> +    uint32_t pdma_len;
> +    uint8_t *pdma_start;
> +    uint8_t *pdma_cur;
> +    void (*pdma_cb)(ESPState *s);
>  };

I suppose migration of ESP is completely busted, since we're not
migrating dma_cb?  This patch is not making it any better, but perhaps
at least pdma_start and pdma_cur could be indices instead of pointers.

Thanks,

Paolo