From: Steve Wise Date: Fri, 10 Sep 2010 16:15:14 +0000 (-0500) Subject: RDMA/cxgb4: Log HW lack-of-resource errors X-Git-Tag: firefly_0821_release~7613^2~3618^2^4~12 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=05fb9629473690e4be4112f22e1adeb1fe4ad733;p=firefly-linux-kernel-4.4.55.git RDMA/cxgb4: Log HW lack-of-resource errors This helps debug cases where HW resources are depleted. Signed-off-by: Steve Wise Signed-off-by: Roland Dreier --- 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; }