diff options
Diffstat (limited to 'arch/s390/include/asm/qdio.h')
| -rw-r--r-- | arch/s390/include/asm/qdio.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/s390/include/asm/qdio.h b/arch/s390/include/asm/qdio.h index 556d3e703fae..78e8a888306d 100644 --- a/arch/s390/include/asm/qdio.h +++ b/arch/s390/include/asm/qdio.h @@ -16,6 +16,7 @@ #define QDIO_MAX_QUEUES_PER_IRQ 4 #define QDIO_MAX_BUFFERS_PER_Q 128 #define QDIO_MAX_BUFFERS_MASK (QDIO_MAX_BUFFERS_PER_Q - 1) +#define QDIO_BUFNR(num) ((num) & QDIO_MAX_BUFFERS_MASK) #define QDIO_MAX_ELEMENTS_PER_BUFFER 16 #define QDIO_SBAL_SIZE 256 |