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iw_cxgb4: provide detailed driver-specific MR information 

Add a table of important fields from the fw_ri_tpte structure to the mr
resource tracking table.  This is helpful in debugging.

Signed-off-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
hifive-unleashed-5.1
Steve Wise 2018-05-10 07:32:01 -07:00 committed by Jason Gunthorpe
parent 54e7688e54
commit 013f64a880
1 changed files with 61 additions and 0 deletions
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61
drivers/infiniband/hw/cxgb4/restrack.c
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@ -433,8 +433,69 @@ err:
return -EMSGSIZE;
}
static int fill_res_mr_entry(struct sk_buff *msg,
struct rdma_restrack_entry *res)
{
struct ib_mr *ibmr = container_of(res, struct ib_mr, res);
struct c4iw_mr *mhp = to_c4iw_mr(ibmr);
struct c4iw_dev *dev = mhp->rhp;
u32 stag = mhp->attr.stag;
struct nlattr *table_attr;
struct fw_ri_tpte tpte;
int ret;
if (!stag)
return 0;
table_attr = nla_nest_start(msg, RDMA_NLDEV_ATTR_DRIVER);
if (!table_attr)
goto err;
ret = cxgb4_read_tpte(dev->rdev.lldi.ports[0], stag, (__be32 *)&tpte);
if (ret) {
dev_err(&dev->rdev.lldi.pdev->dev,
"%s cxgb4_read_tpte err %d\n", __func__, ret);
return 0;
}
if (rdma_nl_put_driver_u32_hex(msg, "idx", stag >> 8))
goto err_cancel_table;
if (rdma_nl_put_driver_u32(msg, "valid",
FW_RI_TPTE_VALID_G(ntohl(tpte.valid_to_pdid))))
goto err_cancel_table;
if (rdma_nl_put_driver_u32_hex(msg, "key", stag & 0xff))
goto err_cancel_table;
if (rdma_nl_put_driver_u32(msg, "state",
FW_RI_TPTE_STAGSTATE_G(ntohl(tpte.valid_to_pdid))))
goto err_cancel_table;
if (rdma_nl_put_driver_u32(msg, "pdid",
FW_RI_TPTE_PDID_G(ntohl(tpte.valid_to_pdid))))
goto err_cancel_table;
if (rdma_nl_put_driver_u32_hex(msg, "perm",
FW_RI_TPTE_PERM_G(ntohl(tpte.locread_to_qpid))))
goto err_cancel_table;
if (rdma_nl_put_driver_u32(msg, "ps",
FW_RI_TPTE_PS_G(ntohl(tpte.locread_to_qpid))))
goto err_cancel_table;
if (rdma_nl_put_driver_u64(msg, "len",
((u64)ntohl(tpte.len_hi) << 32) | ntohl(tpte.len_lo)))
goto err_cancel_table;
if (rdma_nl_put_driver_u32_hex(msg, "pbl_addr",
FW_RI_TPTE_PBLADDR_G(ntohl(tpte.nosnoop_pbladdr))))
goto err_cancel_table;
nla_nest_end(msg, table_attr);
return 0;
err_cancel_table:
nla_nest_cancel(msg, table_attr);
err:
return -EMSGSIZE;
}
c4iw_restrack_func *c4iw_restrack_funcs[RDMA_RESTRACK_MAX] = {
[RDMA_RESTRACK_QP] = fill_res_qp_entry,
[RDMA_RESTRACK_CM_ID] = fill_res_ep_entry,
[RDMA_RESTRACK_CQ] = fill_res_cq_entry,
[RDMA_RESTRACK_MR] = fill_res_mr_entry,
};