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>
diff --git a/drivers/infiniband/hw/cxgb4/resource.c b/drivers/infiniband/hw/cxgb4/resource.c
index 83b23df..26365f6 100644
--- a/drivers/infiniband/hw/cxgb4/resource.c
+++ b/drivers/infiniband/hw/cxgb4/resource.c
@@ -311,6 +311,9 @@
{
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 @@
{
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;
}