On Tue, May 31, 2022 at 08:26:30AM -0700, Ira Weiny wrote:
> From: Ira Weiny <ira.weiny@xxxxxxxxx>
>
> The CDAT data is protected by a checksum and should be the proper
> length.
>
> Introduce cxl_cdat_valid() to validate the data. While at it check and
> store the sequence number.
>
Store it for ?
>
> +static bool cxl_cdat_valid(struct device *dev, struct cxl_cdat *cdat)
> +{
snip
> +
> + seq = FIELD_GET(CDAT_HEADER_DW3_SEQUENCE, table[3]);
> + /* Store the sequence for now. */
> + if (cdat->seq != seq) {
> + dev_info(dev, "CDAT seq change %x -> %x\n", cdat->seq, seq);
> + cdat->seq = seq;
> + }
> +
Wondering when does/will this sequence number come into play?
>
