[PATCH] lib: sbi: sse: add local unknown nmi event

[dong wei]

May I ask if there are any updates to the comments on this patch? The
unknown nmi event has practical application scenarios for RISC-V
servers.

On Wed, Oct 15, 2025 at 10:18 PM dong wei <weidong.wd at bytedance.com> wrote:
>
> Add more reviewers.
>
> On Tue, Oct 14, 2025 at 1:54 PM weidongwd <weidong.wd at bytedance.com> wrote:
> >
> > Add the id of local unknown nmi event and add this event to the
> > list of supported events.
> >
> > Signed-off-by: weidongwd <weidong.wd at bytedance.com>
> > ---
> >  include/sbi/sbi_ecall_interface.h | 3 ++-
> >  lib/sbi/sbi_sse.c                 | 8 +++++++-
> >  2 files changed, 9 insertions(+), 2 deletions(-)
> >
> > diff --git a/include/sbi/sbi_ecall_interface.h b/include/sbi/sbi_ecall_interface.h
> > index af7a05a..8bb0d39 100644
> > --- a/include/sbi/sbi_ecall_interface.h
> > +++ b/include/sbi/sbi_ecall_interface.h
> > @@ -436,7 +436,8 @@ enum sbi_sse_state {
> >
> >  /* Range 0xffff0000 - 0xffffffff */
> >  #define SBI_SSE_EVENT_LOCAL_SOFTWARE           0xffff0000
> > -#define SBI_SSE_EVENT_LOCAL_RESERVED_3_START   0xffff0001
> > +#define SBI_SSE_EVENT_LOCAL_UNKNOWN_NMI                0xffff0001
> > +#define SBI_SSE_EVENT_LOCAL_RESERVED_3_START   0xffff0002
> >  #define SBI_SSE_EVENT_LOCAL_RESERVED_3_END     0xffff3fff
> >  #define SBI_SSE_EVENT_LOCAL_PLAT_3_START       0xffff4000
> >  #define SBI_SSE_EVENT_LOCAL_PLAT_3_END         0xffff7fff
> > diff --git a/lib/sbi/sbi_sse.c b/lib/sbi/sbi_sse.c
> > index 986b770..e771efe 100644
> > --- a/lib/sbi/sbi_sse.c
> > +++ b/lib/sbi/sbi_sse.c
> > @@ -182,9 +182,14 @@ struct sse_event_info global_software_event = {
> >         SBI_SLIST_NODE_INIT(NULL),
> >  };
> >
> > +struct sse_event_info local_unknown_nmi_event = {
> > +       .event_id = SBI_SSE_EVENT_LOCAL_UNKNOWN_NMI,
> > +       SBI_SLIST_NODE_INIT(&global_software_event),
> > +};
> > +
> >  struct sse_event_info local_software_event = {
> >         .event_id = SBI_SSE_EVENT_LOCAL_SOFTWARE,
> > -       SBI_SLIST_NODE_INIT(&global_software_event),
> > +       SBI_SLIST_NODE_INIT(&local_unknown_nmi_event),
> >  };
> >
> >  static SBI_SLIST_HEAD(supported_events, sse_event_info) =
> > @@ -202,6 +207,7 @@ static const uint32_t standard_events[] = {
> >         SBI_SSE_EVENT_LOCAL_LOW_PRIO_RAS,
> >         SBI_SSE_EVENT_GLOBAL_LOW_PRIO_RAS,
> >         SBI_SSE_EVENT_LOCAL_SOFTWARE,
> > +       SBI_SSE_EVENT_LOCAL_UNKNOWN_NMI,
> >         SBI_SSE_EVENT_GLOBAL_SOFTWARE,
> >  };
> >
> > --
> > 2.20.1
> >