Re: [PATCH] docs/cxl: Add serial number for persistent-memdev

[Jonathan Cameron via <qemu-devel@nongnu.org>]

On Mon, 17 Feb 2025 19:20:39 +0800
Yuquan Wang <wangyuquan1236@phytium.com.cn> wrote:

> Add serial number parameter in the cxl persistent examples.
> 
> Signed-off-by: Yuquan Wang <wangyuquan1236@phytium.com.cn>
Looks good.  I've queued it up on my gitlab staging tree, but
Michael if you want to pick this one directly that's fine as well.

I should be pushing out my gitlab tree shortly (bit of networking
fun to deal with).

> ---
>  docs/system/devices/cxl.rst | 18 +++++++++---------
>  1 file changed, 9 insertions(+), 9 deletions(-)
> 
> diff --git a/docs/system/devices/cxl.rst b/docs/system/devices/cxl.rst
> index 882b036f5e..e307caf3f8 100644
> --- a/docs/system/devices/cxl.rst
> +++ b/docs/system/devices/cxl.rst
> @@ -308,7 +308,7 @@ A very simple setup with just one directly attached CXL Type 3 Persistent Memory
>    -object memory-backend-file,id=cxl-lsa1,share=on,mem-path=/tmp/lsa.raw,size=256M \
>    -device pxb-cxl,bus_nr=12,bus=pcie.0,id=cxl.1 \
>    -device cxl-rp,port=0,bus=cxl.1,id=root_port13,chassis=0,slot=2 \
> -  -device cxl-type3,bus=root_port13,persistent-memdev=cxl-mem1,lsa=cxl-lsa1,id=cxl-pmem0 \
> +  -device cxl-type3,bus=root_port13,persistent-memdev=cxl-mem1,lsa=cxl-lsa1,id=cxl-pmem0,sn=0x1 \
>    -M cxl-fmw.0.targets.0=cxl.1,cxl-fmw.0.size=4G
>  
>  A very simple setup with just one directly attached CXL Type 3 Volatile Memory device::
> @@ -349,13 +349,13 @@ the CXL Type3 device directly attached (no switches).::
>    -device pxb-cxl,bus_nr=12,bus=pcie.0,id=cxl.1 \
>    -device pxb-cxl,bus_nr=222,bus=pcie.0,id=cxl.2 \
>    -device cxl-rp,port=0,bus=cxl.1,id=root_port13,chassis=0,slot=2 \
> -  -device cxl-type3,bus=root_port13,persistent-memdev=cxl-mem1,lsa=cxl-lsa1,id=cxl-pmem0 \
> +  -device cxl-type3,bus=root_port13,persistent-memdev=cxl-mem1,lsa=cxl-lsa1,id=cxl-pmem0,sn=0x1 \
>    -device cxl-rp,port=1,bus=cxl.1,id=root_port14,chassis=0,slot=3 \
> -  -device cxl-type3,bus=root_port14,persistent-memdev=cxl-mem2,lsa=cxl-lsa2,id=cxl-pmem1 \
> +  -device cxl-type3,bus=root_port14,persistent-memdev=cxl-mem2,lsa=cxl-lsa2,id=cxl-pmem1,sn=0x2 \
>    -device cxl-rp,port=0,bus=cxl.2,id=root_port15,chassis=0,slot=5 \
> -  -device cxl-type3,bus=root_port15,persistent-memdev=cxl-mem3,lsa=cxl-lsa3,id=cxl-pmem2 \
> +  -device cxl-type3,bus=root_port15,persistent-memdev=cxl-mem3,lsa=cxl-lsa3,id=cxl-pmem2,sn=0x3 \
>    -device cxl-rp,port=1,bus=cxl.2,id=root_port16,chassis=0,slot=6 \
> -  -device cxl-type3,bus=root_port16,persistent-memdev=cxl-mem4,lsa=cxl-lsa4,id=cxl-pmem3 \
> +  -device cxl-type3,bus=root_port16,persistent-memdev=cxl-mem4,lsa=cxl-lsa4,id=cxl-pmem3,sn=0x4 \
>    -M cxl-fmw.0.targets.0=cxl.1,cxl-fmw.0.targets.1=cxl.2,cxl-fmw.0.size=4G,cxl-fmw.0.interleave-granularity=8k
>  
>  An example of 4 devices below a switch suitable for 1, 2 or 4 way interleave::
> @@ -375,13 +375,13 @@ An example of 4 devices below a switch suitable for 1, 2 or 4 way interleave::
>    -device cxl-rp,port=1,bus=cxl.1,id=root_port1,chassis=0,slot=1 \
>    -device cxl-upstream,bus=root_port0,id=us0 \
>    -device cxl-downstream,port=0,bus=us0,id=swport0,chassis=0,slot=4 \
> -  -device cxl-type3,bus=swport0,persistent-memdev=cxl-mem0,lsa=cxl-lsa0,id=cxl-pmem0 \
> +  -device cxl-type3,bus=swport0,persistent-memdev=cxl-mem0,lsa=cxl-lsa0,id=cxl-pmem0,sn=0x1 \
>    -device cxl-downstream,port=1,bus=us0,id=swport1,chassis=0,slot=5 \
> -  -device cxl-type3,bus=swport1,persistent-memdev=cxl-mem1,lsa=cxl-lsa1,id=cxl-pmem1 \
> +  -device cxl-type3,bus=swport1,persistent-memdev=cxl-mem1,lsa=cxl-lsa1,id=cxl-pmem1,sn=0x2 \
>    -device cxl-downstream,port=2,bus=us0,id=swport2,chassis=0,slot=6 \
> -  -device cxl-type3,bus=swport2,persistent-memdev=cxl-mem2,lsa=cxl-lsa2,id=cxl-pmem2 \
> +  -device cxl-type3,bus=swport2,persistent-memdev=cxl-mem2,lsa=cxl-lsa2,id=cxl-pmem2,sn=0x3 \
>    -device cxl-downstream,port=3,bus=us0,id=swport3,chassis=0,slot=7 \
> -  -device cxl-type3,bus=swport3,persistent-memdev=cxl-mem3,lsa=cxl-lsa3,id=cxl-pmem3 \
> +  -device cxl-type3,bus=swport3,persistent-memdev=cxl-mem3,lsa=cxl-lsa3,id=cxl-pmem3,sn=0x4 \
>    -M cxl-fmw.0.targets.0=cxl.1,cxl-fmw.0.size=4G,cxl-fmw.0.interleave-granularity=4k
>  
>  Deprecations