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path: root/drivers/infiniband/hw
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Diffstat (limited to 'drivers/infiniband/hw')
-rw-r--r--drivers/infiniband/hw/ipath/ipath_kernel.h5
-rw-r--r--drivers/infiniband/hw/ipath/ipath_sdma.c12
2 files changed, 9 insertions, 8 deletions
diff --git a/drivers/infiniband/hw/ipath/ipath_kernel.h b/drivers/infiniband/hw/ipath/ipath_kernel.h
index 59a8b254b97f..0bd8bcb184a1 100644
--- a/drivers/infiniband/hw/ipath/ipath_kernel.h
+++ b/drivers/infiniband/hw/ipath/ipath_kernel.h
@@ -232,6 +232,11 @@ struct ipath_sdma_desc {
#define IPATH_SDMA_TXREQ_S_ABORTED 2
#define IPATH_SDMA_TXREQ_S_SHUTDOWN 3
+#define IPATH_SDMA_STATUS_SCORE_BOARD_DRAIN_IN_PROG (1ull << 63)
+#define IPATH_SDMA_STATUS_ABORT_IN_PROG (1ull << 62)
+#define IPATH_SDMA_STATUS_INTERNAL_SDMA_ENABLE (1ull << 61)
+#define IPATH_SDMA_STATUS_SCB_EMPTY (1ull << 30)
+
/* max dwords in small buffer packet */
#define IPATH_SMALLBUF_DWORDS (dd->ipath_piosize2k >> 2)
diff --git a/drivers/infiniband/hw/ipath/ipath_sdma.c b/drivers/infiniband/hw/ipath/ipath_sdma.c
index 0a8c1b8091a2..eaba03273e4f 100644
--- a/drivers/infiniband/hw/ipath/ipath_sdma.c
+++ b/drivers/infiniband/hw/ipath/ipath_sdma.c
@@ -263,14 +263,10 @@ static void sdma_abort_task(unsigned long opaque)
hwstatus = ipath_read_kreg64(dd,
dd->ipath_kregs->kr_senddmastatus);
- if (/* ScoreBoardDrainInProg */
- test_bit(63, &hwstatus) ||
- /* AbortInProg */
- test_bit(62, &hwstatus) ||
- /* InternalSDmaEnable */
- test_bit(61, &hwstatus) ||
- /* ScbEmpty */
- !test_bit(30, &hwstatus)) {
+ if ((hwstatus & (IPATH_SDMA_STATUS_SCORE_BOARD_DRAIN_IN_PROG |
+ IPATH_SDMA_STATUS_ABORT_IN_PROG |
+ IPATH_SDMA_STATUS_INTERNAL_SDMA_ENABLE)) ||
+ !(hwstatus & IPATH_SDMA_STATUS_SCB_EMPTY)) {
if (dd->ipath_sdma_reset_wait > 0) {
/* not done shutting down sdma */
--dd->ipath_sdma_reset_wait;