From: Maor Gottlieb <maorg@mellanox.com>
Date: Tue, 23 Jun 2020 14:30:36 +0300
Subject: RDMA: Add dedicated MR resource tracker function
Patch-mainline: v5.9-rc1
Git-commit: f4434529003522d72b314d26d65b18c06ea9307c
References: jsc#SLE-15176
In order to avoid double multiplexing of the resource when it is a MR, add
a dedicated callback function.
Link: https://lore.kernel.org/r/20200623113043.1228482-5-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 | 3 ++-
drivers/infiniband/core/nldev.c | 18 ++++--------------
drivers/infiniband/hw/cxgb4/iw_cxgb4.h | 1 +
drivers/infiniband/hw/cxgb4/provider.c | 1 +
drivers/infiniband/hw/cxgb4/restrack.c | 5 +----
drivers/infiniband/hw/mlx5/main.c | 4 ++--
drivers/infiniband/hw/mlx5/mlx5_ib.h | 6 ++----
drivers/infiniband/hw/mlx5/restrack.c | 28 ++++------------------------
include/rdma/ib_verbs.h | 4 ++--
9 files changed, 19 insertions(+), 51 deletions(-)
--- a/drivers/infiniband/core/device.c
+++ b/drivers/infiniband/core/device.c
@@ -2622,7 +2622,8 @@ void ib_set_device_ops(struct ib_device
SET_DEVICE_OP(dev_ops, drain_sq);
SET_DEVICE_OP(dev_ops, enable_driver);
SET_DEVICE_OP(dev_ops, fill_res_entry);
- SET_DEVICE_OP(dev_ops, fill_stat_entry);
+ SET_DEVICE_OP(dev_ops, fill_res_mr_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);
SET_DEVICE_OP(dev_ops, get_hw_stats);
--- a/drivers/infiniband/core/nldev.c
+++ b/drivers/infiniband/core/nldev.c
@@ -454,14 +454,6 @@ static bool fill_res_entry(struct ib_dev
return dev->ops.fill_res_entry(msg, res);
}
-static bool fill_stat_entry(struct ib_device *dev, struct sk_buff *msg,
- struct rdma_restrack_entry *res)
-{
- if (!dev->ops.fill_stat_entry)
- return false;
- return dev->ops.fill_stat_entry(msg, res);
-}
-
static int fill_res_qp_entry(struct sk_buff *msg, bool has_cap_net_admin,
struct rdma_restrack_entry *res, uint32_t port)
{
@@ -641,9 +633,8 @@ static int fill_res_mr_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_mr_entry)
+ return dev->ops.fill_res_mr_entry(msg, mr);
return 0;
err: return -EMSGSIZE;
@@ -786,9 +777,8 @@ static int fill_stat_mr_entry(struct sk_
if (nla_put_u32(msg, RDMA_NLDEV_ATTR_RES_MRN, res->id))
goto err;
- if (fill_stat_entry(dev, msg, res))
- goto err;
-
+ if (dev->ops.fill_stat_mr_entry)
+ return dev->ops.fill_stat_mr_entry(msg, mr);
return 0;
err:
--- a/drivers/infiniband/hw/cxgb4/iw_cxgb4.h
+++ b/drivers/infiniband/hw/cxgb4/iw_cxgb4.h
@@ -1055,6 +1055,7 @@ struct c4iw_wr_wait *c4iw_alloc_wr_wait(
typedef int c4iw_restrack_func(struct sk_buff *msg,
struct rdma_restrack_entry *res);
+int c4iw_fill_res_mr_entry(struct sk_buff *msg, struct ib_mr *ibmr);
extern c4iw_restrack_func *c4iw_restrack_funcs[RDMA_RESTRACK_MAX];
#endif
--- a/drivers/infiniband/hw/cxgb4/provider.c
+++ b/drivers/infiniband/hw/cxgb4/provider.c
@@ -486,6 +486,7 @@ static const struct ib_device_ops c4iw_d
.destroy_qp = c4iw_destroy_qp,
.destroy_srq = c4iw_destroy_srq,
.fill_res_entry = fill_res_entry,
+ .fill_res_mr_entry = c4iw_fill_res_mr_entry,
.get_dev_fw_str = get_dev_fw_str,
.get_dma_mr = c4iw_get_dma_mr,
.get_hw_stats = c4iw_get_mib,
--- a/drivers/infiniband/hw/cxgb4/restrack.c
+++ b/drivers/infiniband/hw/cxgb4/restrack.c
@@ -433,10 +433,8 @@ err:
return -EMSGSIZE;
}
-static int fill_res_mr_entry(struct sk_buff *msg,
- struct rdma_restrack_entry *res)
+int c4iw_fill_res_mr_entry(struct sk_buff *msg, struct ib_mr *ibmr)
{
- 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;
@@ -497,5 +495,4 @@ c4iw_restrack_func *c4iw_restrack_funcs[
[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,
};
--- a/drivers/infiniband/hw/mlx5/main.c
+++ b/drivers/infiniband/hw/mlx5/main.c
@@ -6598,8 +6598,8 @@ static const struct ib_device_ops mlx5_i
.drain_rq = mlx5_ib_drain_rq,
.drain_sq = mlx5_ib_drain_sq,
.enable_driver = mlx5_ib_enable_driver,
- .fill_res_entry = mlx5_ib_fill_res_entry,
- .fill_stat_entry = mlx5_ib_fill_stat_entry,
+ .fill_res_mr_entry = mlx5_ib_fill_res_mr_entry,
+ .fill_stat_mr_entry = mlx5_ib_fill_stat_mr_entry,
.get_dev_fw_str = get_dev_fw_str,
.get_dma_mr = mlx5_ib_get_dma_mr,
.get_link_layer = mlx5_ib_port_link_layer,
--- a/drivers/infiniband/hw/mlx5/mlx5_ib.h
+++ b/drivers/infiniband/hw/mlx5/mlx5_ib.h
@@ -1375,10 +1375,8 @@ struct mlx5_core_dev *mlx5_ib_get_native
u8 *native_port_num);
void mlx5_ib_put_native_port_mdev(struct mlx5_ib_dev *dev,
u8 port_num);
-int mlx5_ib_fill_res_entry(struct sk_buff *msg,
- struct rdma_restrack_entry *res);
-int mlx5_ib_fill_stat_entry(struct sk_buff *msg,
- struct rdma_restrack_entry *res);
+int mlx5_ib_fill_res_mr_entry(struct sk_buff *msg, struct ib_mr *ib_mr);
+int mlx5_ib_fill_stat_mr_entry(struct sk_buff *msg, struct ib_mr *ib_mr);
extern const struct uapi_definition mlx5_ib_devx_defs[];
extern const struct uapi_definition mlx5_ib_flow_defs[];
--- a/drivers/infiniband/hw/mlx5/restrack.c
+++ b/drivers/infiniband/hw/mlx5/restrack.c
@@ -8,10 +8,9 @@
#include <rdma/restrack.h>
#include "mlx5_ib.h"
-static int fill_stat_mr_entry(struct sk_buff *msg,
- struct rdma_restrack_entry *res)
+int mlx5_ib_fill_stat_mr_entry(struct sk_buff *msg,
+ struct ib_mr *ibmr)
{
- struct ib_mr *ibmr = container_of(res, struct ib_mr, res);
struct mlx5_ib_mr *mr = to_mmr(ibmr);
struct nlattr *table_attr;
@@ -41,10 +40,9 @@ err:
return -EMSGSIZE;
}
-static int fill_res_mr_entry(struct sk_buff *msg,
- struct rdma_restrack_entry *res)
+int mlx5_ib_fill_res_mr_entry(struct sk_buff *msg,
+ struct ib_mr *ibmr)
{
- struct ib_mr *ibmr = container_of(res, struct ib_mr, res);
struct mlx5_ib_mr *mr = to_mmr(ibmr);
struct nlattr *table_attr;
@@ -70,21 +68,3 @@ err:
nla_nest_cancel(msg, table_attr);
return -EMSGSIZE;
}
-
-int mlx5_ib_fill_res_entry(struct sk_buff *msg,
- struct rdma_restrack_entry *res)
-{
- if (res->type == RDMA_RESTRACK_MR)
- return fill_res_mr_entry(msg, res);
-
- return 0;
-}
-
-int mlx5_ib_fill_stat_entry(struct sk_buff *msg,
- struct rdma_restrack_entry *res)
-{
- if (res->type == RDMA_RESTRACK_MR)
- return fill_stat_mr_entry(msg, res);
-
- return 0;
-}
--- a/include/rdma/ib_verbs.h
+++ b/include/rdma/ib_verbs.h
@@ -2581,6 +2581,7 @@ struct ib_device_ops {
*/
int (*fill_res_entry)(struct sk_buff *msg,
struct rdma_restrack_entry *entry);
+ int (*fill_res_mr_entry)(struct sk_buff *msg, struct ib_mr *ibmr);
/* Device lifecycle callbacks */
/*
@@ -2635,8 +2636,7 @@ struct ib_device_ops {
* Allows rdma drivers to add their own restrack attributes
* dumped via 'rdma stat' iproute2 command.
*/
- int (*fill_stat_entry)(struct sk_buff *msg,
- struct rdma_restrack_entry *entry);
+ int (*fill_stat_mr_entry)(struct sk_buff *msg, struct ib_mr *ibmr);
DECLARE_RDMA_OBJ_SIZE(ib_ah);
DECLARE_RDMA_OBJ_SIZE(ib_cq);