From: Maor Gottlieb <maorg@mellanox.com>
Date: Tue, 23 Jun 2020 14:30:38 +0300
Subject: RDMA: Add dedicated QP resource tracker function
Patch-mainline: v5.9-rc1
Git-commit: 5cc34116ccec60032dbaa92768f41e95ce2d8ec7
References: jsc#SLE-15176
In order to avoid double multiplexing of the resource when it is a QP, add
a dedicated callback function.
Link: https://lore.kernel.org/r/20200623113043.1228482-7-leon@kernel.org
Signed-off-by: Maor Gottlieb <maorg@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
drivers/infiniband/core/device.c | 1 +
drivers/infiniband/core/nldev.c | 5 ++---
drivers/infiniband/hw/cxgb4/iw_cxgb4.h | 1 +
drivers/infiniband/hw/cxgb4/restrack.c | 5 +----
include/rdma/ib_verbs.h | 1 +
5 files changed, 6 insertions(+), 7 deletions(-)
--- a/drivers/infiniband/core/device.c
+++ b/drivers/infiniband/core/device.c
@@ -2624,6 +2624,7 @@ void ib_set_device_ops(struct ib_device
SET_DEVICE_OP(dev_ops, fill_res_cq_entry);
SET_DEVICE_OP(dev_ops, fill_res_entry);
SET_DEVICE_OP(dev_ops, fill_res_mr_entry);
+ SET_DEVICE_OP(dev_ops, fill_res_qp_entry);
SET_DEVICE_OP(dev_ops, fill_stat_mr_entry);
SET_DEVICE_OP(dev_ops, get_dev_fw_str);
SET_DEVICE_OP(dev_ops, get_dma_mr);
--- a/drivers/infiniband/core/nldev.c
+++ b/drivers/infiniband/core/nldev.c
@@ -507,9 +507,8 @@ static int fill_res_qp_entry(struct sk_b
if (fill_res_name_pid(msg, res))
goto err;
- if (fill_res_entry(dev, msg, res))
- goto err;
-
+ if (dev->ops.fill_res_qp_entry)
+ return dev->ops.fill_res_qp_entry(msg, qp);
return 0;
err: return -EMSGSIZE;
--- a/drivers/infiniband/hw/cxgb4/iw_cxgb4.h
+++ b/drivers/infiniband/hw/cxgb4/iw_cxgb4.h
@@ -1057,6 +1057,7 @@ typedef int c4iw_restrack_func(struct sk
struct rdma_restrack_entry *res);
int c4iw_fill_res_mr_entry(struct sk_buff *msg, struct ib_mr *ibmr);
int c4iw_fill_res_cq_entry(struct sk_buff *msg, struct ib_cq *ibcq);
+int c4iw_fill_res_qp_entry(struct sk_buff *msg, struct ib_qp *ibqp);
extern c4iw_restrack_func *c4iw_restrack_funcs[RDMA_RESTRACK_MAX];
#endif
--- a/drivers/infiniband/hw/cxgb4/restrack.c
+++ b/drivers/infiniband/hw/cxgb4/restrack.c
@@ -134,10 +134,8 @@ err:
return -EMSGSIZE;
}
-static int fill_res_qp_entry(struct sk_buff *msg,
- struct rdma_restrack_entry *res)
+int c4iw_fill_res_qp_entry(struct sk_buff *msg, struct ib_qp *ibqp)
{
- struct ib_qp *ibqp = container_of(res, struct ib_qp, res);
struct t4_swsqe *fsp = NULL, *lsp = NULL;
struct c4iw_qp *qhp = to_c4iw_qp(ibqp);
u16 first_sq_idx = 0, last_sq_idx = 0;
@@ -490,6 +488,5 @@ err:
}
c4iw_restrack_func *c4iw_restrack_funcs[RDMA_RESTRACK_MAX] = {
- [RDMA_RESTRACK_QP] = fill_res_qp_entry,
[RDMA_RESTRACK_CM_ID] = fill_res_ep_entry,
};
--- a/include/rdma/ib_verbs.h
+++ b/include/rdma/ib_verbs.h
@@ -2583,6 +2583,7 @@ struct ib_device_ops {
struct rdma_restrack_entry *entry);
int (*fill_res_mr_entry)(struct sk_buff *msg, struct ib_mr *ibmr);
int (*fill_res_cq_entry)(struct sk_buff *msg, struct ib_cq *ibcq);
+ int (*fill_res_qp_entry)(struct sk_buff *msg, struct ib_qp *ibqp);
/* Device lifecycle callbacks */
/*