diff options
| author |   Vipul Pandya <vipul@chelsio.com> | 2012-05-18 15:29:27 +0530 |
|---|---|---|
| committer |   Roland Dreier <roland@purestorage.com> | 2012-05-18 13:22:29 -0700 |
| commit | 8d81ef34b249109084b2f3c4bb826d0417ef5814 (patch) | |
| tree | 77dbd13539db2053cada804c35e4cccd26f4e4c0 /drivers/infiniband/hw/cxgb4/mem.c | |
| parent | cxgb4: DB Drop Recovery for RDMA and LLD queues (diff) | |
| download | linux-dev-8d81ef34b249109084b2f3c4bb826d0417ef5814.tar.xz linux-dev-8d81ef34b249109084b2f3c4bb826d0417ef5814.zip | |
RDMA/cxgb4: Add debugfs RDMA memory stats
Signed-off-by: Vipul Pandya <vipul@chelsio.com>
Signed-off-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
Diffstat (limited to 'drivers/infiniband/hw/cxgb4/mem.c')
| -rw-r--r-- | drivers/infiniband/hw/cxgb4/mem.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/drivers/infiniband/hw/cxgb4/mem.c b/drivers/infiniband/hw/cxgb4/mem.c index 40c835309e49..2a87379f52a3 100644 --- a/drivers/infiniband/hw/cxgb4/mem.c +++ b/drivers/infiniband/hw/cxgb4/mem.c @@ -135,6 +135,11 @@ static int write_tpt_entry(struct c4iw_rdev *rdev, u32 reset_tpt_entry, &rdev->resource.tpt_fifo_lock); if (!stag_idx) return -ENOMEM; + mutex_lock(&rdev->stats.lock); + rdev->stats.stag.cur += 32; + if (rdev->stats.stag.cur > rdev->stats.stag.max) + rdev->stats.stag.max = rdev->stats.stag.cur; + mutex_unlock(&rdev->stats.lock); *stag = (stag_idx << 8) | (atomic_inc_return(&key) & 0xff); } PDBG("%s stag_state 0x%0x type 0x%0x pdid 0x%0x, stag_idx 0x%x\n", @@ -165,9 +170,13 @@ static int write_tpt_entry(struct c4iw_rdev *rdev, u32 reset_tpt_entry, (rdev->lldi.vr->stag.start >> 5), sizeof(tpt), &tpt); - if (reset_tpt_entry) + if (reset_tpt_entry) { c4iw_put_resource(&rdev->resource.tpt_fifo, stag_idx, &rdev->resource.tpt_fifo_lock); + mutex_lock(&rdev->stats.lock); + rdev->stats.stag.cur -= 32; + mutex_unlock(&rdev->stats.lock); + } return err; } |