Re: [PATCH v5 01/14] hw/block/nvme: Report actual LBA data shift in LBAF

[Klaus Jensen]

On Sep 28 11:35, Dmitry Fomichev wrote:
> Calculate the data shift value to report based on the set value of
> logical_block_size device property.
> 
> In the process, use a local variable to calculate the LBA format
> index instead of the hardcoded value 0. This makes the code more
> readable and it will make it easier to add support for multiple LBA
> formats in the future.
> 
> Signed-off-by: Dmitry Fomichev <dmitry.fomichev@wdc.com>
> Reviewed-by: Klaus Jensen <k.jensen@samsung.com>
> ---
>  hw/block/nvme-ns.c | 5 +++++
>  1 file changed, 5 insertions(+)
> 
> diff --git a/hw/block/nvme-ns.c b/hw/block/nvme-ns.c
> index 2ba0263dda..bbd7879492 100644
> --- a/hw/block/nvme-ns.c
> +++ b/hw/block/nvme-ns.c
> @@ -47,6 +47,8 @@ static void nvme_ns_init(NvmeNamespace *ns)
>  
>  static int nvme_ns_init_blk(NvmeCtrl *n, NvmeNamespace *ns, Error **errp)
>  {
> +    int lba_index;
> +
>      if (!blkconf_blocksizes(&ns->blkconf, errp)) {
>          return -1;
>      }
> @@ -67,6 +69,9 @@ static int nvme_ns_init_blk(NvmeCtrl *n, NvmeNamespace *ns, 
> Error **errp)
>          n->features.vwc = 0x1;
>      }
>  
> +    lba_index = NVME_ID_NS_FLBAS_INDEX(ns->id_ns.flbas);
> +    ns->id_ns.lbaf[lba_index].ds = 31 - clz32(n->conf.logical_block_size);

You fix this later in the zoned support patch, but this should use
ns->blkconf.conf.logical_block_size.

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