xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

RDMA/cxgb4: Add debugfs RDMA memory stats

Browse Source 
Signed-off-by: Vipul Pandya <vipul@chelsio.com>
Signed-off-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
This commit is contained in:
Vipul Pandya
2012-05-18 15:29:27 +05:30
committed by Roland Dreier
parent 3069ee9bc4
commit 8d81ef34b2
5 changed files with 155 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

11
drivers/infiniband/hw/cxgb4/mem.c
View File

@@ -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;
}