diff options
Diffstat (limited to 'arch/riscv/lib/smp.c')
| -rw-r--r-- | arch/riscv/lib/smp.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/arch/riscv/lib/smp.c b/arch/riscv/lib/smp.c index 705437862a..188a7e34bd 100644 --- a/arch/riscv/lib/smp.c +++ b/arch/riscv/lib/smp.c @@ -32,6 +32,18 @@ extern int riscv_send_ipi(int hart); */ extern int riscv_clear_ipi(int hart); +/** + * riscv_get_ipi() - Get status of inter-processor interrupt (IPI) + * + * Platform code must provide this function. + * + * @hart: Hart ID of hart to be checked + * @pending: Pointer to variable with result of the check, + * 1 if IPI is pending, 0 otherwise + * @return 0 if OK, -ve on error + */ +extern int riscv_get_ipi(int hart, int *pending); + static int send_ipi_many(struct ipi_data *ipi) { ofnode node, cpus; |