| Message ID | 20240705071504.50988-6-apatel@ventanamicro.com |
|---|---|
| State | Accepted |
| Headers | show |
| Series | Early console buffer for OpenSBI | expand |
On Fri, Jul 5, 2024 at 12:45 PM Anup Patel <apatel@ventanamicro.com> wrote: > > The FIFO data structure is quite handy of variety of use-case so add > SBI_FIFO_INITIALIZER() and SBI_FIFO_DEFINE() helper macros to create > FIFO as local or global variable. > > Signed-off-by: Anup Patel <apatel@ventanamicro.com> > --- > include/sbi/sbi_fifo.h | 12 ++++++++++++ > 1 file changed, 12 insertions(+) > > diff --git a/include/sbi/sbi_fifo.h b/include/sbi/sbi_fifo.h > index af1632a..89a2ea2 100644 > --- a/include/sbi/sbi_fifo.h > +++ b/include/sbi/sbi_fifo.h > @@ -23,6 +23,18 @@ struct sbi_fifo { > u16 tail; > }; > > +#define SBI_FIFO_INITIALIZER(__queue_mem, __entries, __entry_size) \ > +{ .queue = __queue_mem, \ > + .qlock = SPIN_LOCK_INITIALIZER, \ > + .num_entries = __entries, \ > + .entry_size = __entry_size, \ > + .avail = 0, \ > + .tail = 0, \ > +} > + > +#define SBI_FIFO_DEFINE(__name, __queue_mem, __entries, __entry_size) \ > +struct sbi_fifo __name = SBI_FIFO_INITIALIZER(__queue_mem, __entries, __entry_size) > + > enum sbi_fifo_inplace_update_types { > SBI_FIFO_SKIP, > SBI_FIFO_UPDATED, > -- > 2.34.1 > LGTM Reviewed-By: Himanshu Chauhan <hchauhan@ventanamicro.com> > > -- > opensbi mailing list > opensbi@lists.infradead.org > http://lists.infradead.org/mailman/listinfo/opensbi
diff --git a/include/sbi/sbi_fifo.h b/include/sbi/sbi_fifo.h index af1632a..89a2ea2 100644 --- a/include/sbi/sbi_fifo.h +++ b/include/sbi/sbi_fifo.h @@ -23,6 +23,18 @@ struct sbi_fifo { u16 tail; }; +#define SBI_FIFO_INITIALIZER(__queue_mem, __entries, __entry_size) \ +{ .queue = __queue_mem, \ + .qlock = SPIN_LOCK_INITIALIZER, \ + .num_entries = __entries, \ + .entry_size = __entry_size, \ + .avail = 0, \ + .tail = 0, \ +} + +#define SBI_FIFO_DEFINE(__name, __queue_mem, __entries, __entry_size) \ +struct sbi_fifo __name = SBI_FIFO_INITIALIZER(__queue_mem, __entries, __entry_size) + enum sbi_fifo_inplace_update_types { SBI_FIFO_SKIP, SBI_FIFO_UPDATED,
The FIFO data structure is quite handy of variety of use-case so add SBI_FIFO_INITIALIZER() and SBI_FIFO_DEFINE() helper macros to create FIFO as local or global variable. Signed-off-by: Anup Patel <apatel@ventanamicro.com> --- include/sbi/sbi_fifo.h | 12 ++++++++++++ 1 file changed, 12 insertions(+)