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RDMA/cxgb4: Log HW lack-of-resource errors

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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>
This commit is contained in:
Steve Wise 2010-09-10 11:15:14 -05:00 • committed by Roland Dreier
parent 0e42c1f430
commit 05fb962947
1 changed files with 6 additions and 0 deletions
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6
drivers/infiniband/hw/cxgb4/resource.c
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@ -311,6 +311,9 @@ u32 c4iw_pblpool_alloc(struct c4iw_rdev *rdev, int size)
{ {
unsigned long addr = gen_pool_alloc(rdev->pbl_pool, size); unsigned long addr = gen_pool_alloc(rdev->pbl_pool, size);
PDBG("%s addr 0x%x size %d\n", __func__, (u32)addr, 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; 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); unsigned long addr = gen_pool_alloc(rdev->rqt_pool, size << 6);
PDBG("%s addr 0x%x size %d\n", __func__, (u32)addr, 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; return (u32)addr;
} }