[AMD Public Use]
rocminfo uses it, but that's all that I am aware of. I can drop this though and stick with patch1, I just didn't know if we'd end up getting complaints of:
"Well, rocm-smi (amdgpu) says that the unique_id is F, while rocminfo (amdkfd) says that the unique_id is 16" . Probably too late to try to change it now though, as you pointed out.
Kent
> -----Original Message-----
> From: Kuehling, Felix <Felix.Kuehling@xxxxxxx>
> Sent: Wednesday, October 28, 2020 11:55 AM
> To: amd-gfx@xxxxxxxxxxxxxxxxxxxxx; Russell, Kent <Kent.Russell@xxxxxxx>
> Subject: Re: [PATCH 2/2] drm/amdkfd: Change unique_id to print hex format
>
> This is an ABI-breaking change. Is any user mode code using this already?
>
> Regards,
> Felix
>
> Am 2020-10-28 um 11:22 a.m. schrieb Kent Russell:
> > amdgpu's unique_id prints in hex format, so change topology's printout
> > to hex by adding a new sysfs_print macro specifically for hex output,
> > and use it for unique_id
> >
> > Signed-off-by: Kent Russell <kent.russell@xxxxxxx>
> > ---
> > drivers/gpu/drm/amd/amdkfd/kfd_topology.c | 4 +++-
> > 1 file changed, 3 insertions(+), 1 deletion(-)
> >
> > diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_topology.c
> b/drivers/gpu/drm/amd/amdkfd/kfd_topology.c
> > index a3fc23873819..d13c68c52bbc 100644
> > --- a/drivers/gpu/drm/amd/amdkfd/kfd_topology.c
> > +++ b/drivers/gpu/drm/amd/amdkfd/kfd_topology.c
> > @@ -217,6 +217,8 @@ struct kfd_topology_device *kfd_create_topology_device(
> > sysfs_show_gen_prop(buffer, offs, "%s %u\n", name, value)
> > #define sysfs_show_64bit_prop(buffer, offs, name, value) \
> > sysfs_show_gen_prop(buffer, offs, "%s %llu\n", name, value)
> > +#define sysfs_show_64bit_prop_hex(buffer, offs, name, value) \
> > + sysfs_show_gen_prop(buffer, offs, "%s %llx\n", name, value)
> > #define sysfs_show_32bit_val(buffer, offs, value) \
> > sysfs_show_gen_prop(buffer, offs, "%u\n", value)
> > #define sysfs_show_str_val(buffer, offs, value) \
> > @@ -497,7 +499,7 @@ static ssize_t node_show(struct kobject *kobj, struct attribute
> *attr,
> > dev->node_props.num_sdma_queues_per_engine);
> > sysfs_show_32bit_prop(buffer, offs, "num_cp_queues",
> > dev->node_props.num_cp_queues);
> > - sysfs_show_64bit_prop(buffer, offs, "unique_id",
> > + sysfs_show_64bit_prop_hex(buffer, offs, "unique_id",
> > dev->node_props.unique_id);
> >
> > if (dev->gpu) {
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