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RDMA: Add dedicated MR resource tracker function

Browse source 
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>
This commit is contained in:
Maor Gottlieb 2020-06-23 14:30:36 +03:00 committed by Jason Gunthorpe
parent 24fd6d6f85
commit f443452900
9 changed files with 19 additions and 51 deletions
repo.diff.show_diff_stats Download patch file Download diff file Expand all files Collapse all files

3
drivers/infiniband/core/device.c
View file

@ -2618,7 +2618,8 @@ void ib_set_device_ops(struct ib_device *dev, const struct ib_device_ops *ops)
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);

18
drivers/infiniband/core/nldev.c
View file

@ -454,14 +454,6 @@ static bool fill_res_entry(struct ib_device *dev, struct sk_buff *msg,
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_buff *msg, bool has_cap_net_admin,
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_buff *msg, bool has_cap_net_admin,
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:

1
drivers/infiniband/hw/cxgb4/iw_cxgb4.h
View file

@ -1055,6 +1055,7 @@ struct c4iw_wr_wait *c4iw_alloc_wr_wait(gfp_t gfp);
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

1
drivers/infiniband/hw/cxgb4/provider.c
View file

@ -486,6 +486,7 @@ static const struct ib_device_ops c4iw_dev_ops = {
.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,

5
drivers/infiniband/hw/cxgb4/restrack.c
View file

@ -433,10 +433,8 @@ static int fill_res_cq_entry(struct sk_buff *msg,
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_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,
};

4
drivers/infiniband/hw/mlx5/main.c
View file

@ -6598,8 +6598,8 @@ static const struct ib_device_ops mlx5_ib_dev_ops = {
.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,

6
drivers/infiniband/hw/mlx5/mlx5_ib.h
View file

@ -1375,10 +1375,8 @@ struct mlx5_core_dev *mlx5_ib_get_native_port_mdev(struct mlx5_ib_dev *dev,
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[];

28
drivers/infiniband/hw/mlx5/restrack.c
View file

@ -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 @@ static int fill_stat_mr_entry(struct sk_buff *msg,
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 @@ static int fill_res_mr_entry(struct sk_buff *msg,
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;
}

4
include/rdma/ib_verbs.h
View file

@ -2583,6 +2583,7 @@ 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 */
/*
@ -2637,8 +2638,7 @@ 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);