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| author | Linus Torvalds <torvalds@g5.osdl.org> | 2005-09-08 04:31:27 +0400 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2005-09-08 04:31:27 +0400 |
| commit | 0481990b758628e12f4b0a9e15094e70cefc7cd1 (patch) | |
| tree | 67a4b4b7acc6a688b87ef2a2d3ec0e296e6e480c /drivers/scsi/aacraid/commsup.c | |
| parent | db400b3c4ee89d384d9163836a55577abdae772d (diff) | |
| parent | 17fa53da1239b8712c5cebbd72a74c713b6c2db9 (diff) | |
| download | linux-0481990b758628e12f4b0a9e15094e70cefc7cd1.tar.xz | |
Merge master.kernel.org:/pub/scm/linux/kernel/git/jejb/scsi-for-linus-2.6
Diffstat (limited to 'drivers/scsi/aacraid/commsup.c')
| -rw-r--r-- | drivers/scsi/aacraid/commsup.c | 20 |
1 files changed, 17 insertions, 3 deletions
diff --git a/drivers/scsi/aacraid/commsup.c b/drivers/scsi/aacraid/commsup.c index 5322865942e2..a1d303f03480 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) |