[RFC PATCH v2] hw/nvme:Adding Support for namespace management

Klaus Jensen its at irrelevant.dk
Thu Aug 19 07:32:52 PDT 2021


On Aug 19 18:39, Naveen Nagar wrote:
> From: Naveen <naveen.n1 at samsung.com>
> 
> This patch supports namespace management : create and delete operations.
> 
> Since v1:
> - Modified and moved nvme_ns_identify_common in ns.c file 
> - Added check for CSI field in NS management
> - Indentation fix in namespace create
> 
> This patch has been tested with the following command and size of image
> file for unallocated namespaces is taken as 0GB. ns_create will look into
> the list of unallocated namespaces and it will initialize the same and 
> return the nsid of the same. A new mandatory field has been added called
> tnvmcap and we have ensured that the total capacity of namespace created
> does not exceed tnvmcap
> 
> -device nvme-subsys,id=subsys0,tnvmcap=8
> -device nvme,serial=foo,id=nvme0,subsys=subsys0
> -device nvme,serial=bar,id=nvme1,subsys=subsys0
> -drive id=ns1,file=ns1.img,if=none
> -device nvme-ns,drive=ns1,bus=nvme0,nsid=1,zoned=false,shared=true
> -drive id=ns2,file=ns2.img,if=none
> -device nvme-ns,drive=ns2,bus=nvme0,nsid=2,zoned=false,shared=true
> -drive id=ns3,file=ns3.img,if=none
> -device nvme-ns,drive=ns3,bus=nvme0,nsid=3,zoned=false,shared=true
> -drive id=ns4,file=ns4.img,if=none
> -device nvme-ns,drive=ns4,bus=nvme0,nsid=4,zoned=false,shared=true
> 
> Please review and suggest if any changes are required.
> 
> Signed-off-by: Naveen Nagar <naveen.n1 at samsung.com>
> Reviewed-by: Klaus Jensen <k.jensen at samsung.com>
>   

Woops.

Looks like you sent it to the wrong mailing list - I'd be happy to
comment on this on qemu-{block,devel} instead :)
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