diff options
| -rw-r--r-- | drivers/scsi/aacraid/comminit.c | 4 | ||||
| -rw-r--r-- | drivers/scsi/aacraid/commsup.c | 20 |
2 files changed, 20 insertions, 4 deletions
diff --git a/drivers/scsi/aacraid/comminit.c b/drivers/scsi/aacraid/comminit.c index 43557bf661f..75abd045328 100644 --- a/drivers/scsi/aacraid/comminit.c +++ b/drivers/scsi/aacraid/comminit.c @@ -44,7 +44,9 @@ #include "aacraid.h" -struct aac_common aac_config; +struct aac_common aac_config = { + .irq_mod = 1 +}; static int aac_alloc_comm(struct aac_dev *dev, void **commaddr, unsigned long commsize, unsigned long commalign) { diff --git a/drivers/scsi/aacraid/commsup.c b/drivers/scsi/aacraid/commsup.c index 5322865942e..a1d303f0348 100644 --- a/drivers/scsi/aacraid/commsup.c +++ b/drivers/scsi/aacraid/commsup.c @@ -254,6 +254,7 @@ static void fib_dealloc(struct fib * fibptr) static int aac_get_entry (struct aac_dev * dev, u32 qid, struct aac_entry **entry, u32 * index, unsigned long *nonotify) { struct aac_queue * q; + unsigned long idx; /* * All of the queues wrap when they reach the end, so we check @@ -263,10 +264,23 @@ static int aac_get_entry (struct aac_dev * dev, u32 qid, struct aac_entry **entr */ q = &dev->queues->queue[qid]; - - *index = le32_to_cpu(*(q->headers.producer)); - if ((*index - 2) == le32_to_cpu(*(q->headers.consumer))) + + idx = *index = le32_to_cpu(*(q->headers.producer)); + /* Interrupt Moderation, only interrupt for first two entries */ + if (idx != le32_to_cpu(*(q->headers.consumer))) { + if (--idx == 0) { + if (qid == AdapHighCmdQueue) + idx = ADAP_HIGH_CMD_ENTRIES; + else if (qid == AdapNormCmdQueue) + idx = ADAP_NORM_CMD_ENTRIES; + else if (qid == AdapHighRespQueue) + idx = ADAP_HIGH_RESP_ENTRIES; + else if (qid == AdapNormRespQueue) + idx = ADAP_NORM_RESP_ENTRIES; + } + if (idx != le32_to_cpu(*(q->headers.consumer))) *nonotify = 1; + } if (qid == AdapHighCmdQueue) { if (*index >= ADAP_HIGH_CMD_ENTRIES) |