Re: [Xen-devel] [PATCH V3] Update pvSCSI protocol description

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 25.08.14 at 16:23, <"jgross@xxxxxxxx".non-mime.internet> wrote:
> +/*
> + * The following interface is deprecated!
> + */
>  #define VSCSIIF_SG_LIST_SIZE ((sizeof(vscsiif_request_t) - 4) \
>                                / sizeof(vscsiif_segment_t))
>  

Right, but ...

> @@ -89,10 +224,12 @@ struct vscsiif_sg_list {
>      vscsiif_segment_t seg[VSCSIIF_SG_LIST_SIZE];
>  };
>  typedef struct vscsiif_sg_list vscsiif_sg_list_t;
> +/* End of deprecated interface */
>  
> +/* Size of one response is 252 bytes */
>  struct vscsiif_response {
> -    uint16_t rqid;
> -    uint8_t act;               /* valid only when backend supports SG_PRESET 
> */
> +    uint16_t rqid;          /* identifies request */
> +    uint8_t padding;

... here you still remove a piece of that.

Jan


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