On Mon, Mar 23, 2015 at 07:05:45PM +0530, Bharata B Rao wrote: > Add support for ibm,lrdr-capacity since this is needed by the guest > kernel to know about the possible hot-pluggable CPUs and Memory. With > this, pseries kernels will start reporting correct maxcpus in > /sys/devices/system/cpu/possible. > > Define minimum hotpluggable memory size as 256MB and start storing maximum > possible memory for the guest in sPAPREnvironment.
[snip]
> @@ -666,6 +668,18 @@ int spapr_rtas_device_tree_setup(void *fdt, hwaddr
> rtas_addr,
> }
>
> }
> +
> + lrdr_capacity[0] = cpu_to_be32(spapr->maxram_limit >> 32);
> + lrdr_capacity[1] = cpu_to_be32(spapr->maxram_limit & 0xffffffff);
> + lrdr_capacity[2] = 0;
> + lrdr_capacity[3] = cpu_to_be32(SPAPR_MEMORY_BLOCK_SIZE);
> + lrdr_capacity[4] = cpu_to_be32(max_cpus/smp_threads);
> + ret = qemu_fdt_setprop(fdt, "/rtas", "ibm,lrdr-capacity", lrdr_capacity,
> + sizeof(lrdr_capacity));
> + if (ret < 0) {
> + fprintf(stderr, "Couldn't add ibm,lrdr-capacity rtas property\n");
This should probably be report_error() these days.
Otherwise,
Reviewed-by: David Gibson <da...@gibson.dropbear.id.au>
--
David Gibson | I'll have my music baroque, and my code
david AT gibson.dropbear.id.au | minimalist, thank you. NOT _the_ _other_
| _way_ _around_!
http://www.ozlabs.org/~dgibson
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