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authorSteve Wise <swise@opengridcomputing.com>2010-09-10 11:15:14 -0500
committerRoland Dreier <rolandd@cisco.com>2010-09-28 10:46:33 -0700
commit05fb9629473690e4be4112f22e1adeb1fe4ad733 (patch)
treec9ee5846085b06a1a295ea1bcc8d3f087fd93a2b /drivers
parentRDMA/cxgb4: Handle CPL_RDMA_TERMINATE messages (diff)
downloadlinux-dev-05fb9629473690e4be4112f22e1adeb1fe4ad733.tar.xz
linux-dev-05fb9629473690e4be4112f22e1adeb1fe4ad733.zip
RDMA/cxgb4: Log HW lack-of-resource errors
This helps debug cases where HW resources are depleted. Signed-off-by: Steve Wise <swise@opengridcomputing.com> Signed-off-by: Roland Dreier <rolandd@cisco.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/infiniband/hw/cxgb4/resource.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/cxgb4/resource.c b/drivers/infiniband/hw/cxgb4/resource.c
index 83b23dfa250d..26365f6ed84b 100644
--- a/drivers/infiniband/hw/cxgb4/resource.c
+++ b/drivers/infiniband/hw/cxgb4/resource.c
@@ -311,6 +311,9 @@ u32 c4iw_pblpool_alloc(struct c4iw_rdev *rdev, int size)
{
unsigned long addr = gen_pool_alloc(rdev->pbl_pool, size);
PDBG("%s addr 0x%x size %d\n", __func__, (u32)addr, size);
+ if (!addr && printk_ratelimit())
+ printk(KERN_WARNING MOD "%s: Out of PBL memory\n",
+ pci_name(rdev->lldi.pdev));
return (u32)addr;
}
@@ -370,6 +373,9 @@ u32 c4iw_rqtpool_alloc(struct c4iw_rdev *rdev, int size)
{
unsigned long addr = gen_pool_alloc(rdev->rqt_pool, size << 6);
PDBG("%s addr 0x%x size %d\n", __func__, (u32)addr, size << 6);
+ if (!addr && printk_ratelimit())
+ printk(KERN_WARNING MOD "%s: Out of RQT memory\n",
+ pci_name(rdev->lldi.pdev));
return (u32)addr;
}