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RDMA/mlx5: Initialize SRQ tables on mlx5_ib 

Transfer initialization and cleanup from mlx5_priv struct of
mlx5_core_dev to be part of mlx5_ib_dev. This completes removal
of SRQ from mlx5_core.

Reviewed-by: Mark Bloch <markb@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
This commit is contained in:
Leon Romanovsky 2018-11-28 20:53:41 +02:00
parent b4990804e1
commit f3da6577da
11 changed files with 101 additions and 122 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/infiniband/hw/mlx5/ib_rep.c
View File

@ -4,6 +4,7 @@
*/
#include "ib_rep.h"
#include "srq.h"
static const struct mlx5_ib_profile rep_profile = {
STAGE_CREATE(MLX5_IB_STAGE_INIT,
@ -21,6 +22,9 @@ static const struct mlx5_ib_profile rep_profile = {
STAGE_CREATE(MLX5_IB_STAGE_ROCE,
mlx5_ib_stage_rep_roce_init,
mlx5_ib_stage_rep_roce_cleanup),
STAGE_CREATE(MLX5_IB_STAGE_SRQ,
mlx5_init_srq_table,
mlx5_cleanup_srq_table),
STAGE_CREATE(MLX5_IB_STAGE_DEVICE_RESOURCES,
mlx5_ib_stage_dev_res_init,
mlx5_ib_stage_dev_res_cleanup),

7
drivers/infiniband/hw/mlx5/main.c
View File

@ -60,6 +60,7 @@
#include "mlx5_ib.h"
#include "ib_rep.h"
#include "cmd.h"
#include "srq.h"
#include <linux/mlx5/fs_helpers.h>
#include <linux/mlx5/accel.h>
#include <rdma/uverbs_std_types.h>
@ -6308,6 +6309,9 @@ static const struct mlx5_ib_profile pf_profile = {
STAGE_CREATE(MLX5_IB_STAGE_ROCE,
mlx5_ib_stage_roce_init,
mlx5_ib_stage_roce_cleanup),
STAGE_CREATE(MLX5_IB_STAGE_SRQ,
mlx5_init_srq_table,
mlx5_cleanup_srq_table),
STAGE_CREATE(MLX5_IB_STAGE_DEVICE_RESOURCES,
mlx5_ib_stage_dev_res_init,
mlx5_ib_stage_dev_res_cleanup),
@ -6365,6 +6369,9 @@ static const struct mlx5_ib_profile nic_rep_profile = {
STAGE_CREATE(MLX5_IB_STAGE_ROCE,
mlx5_ib_stage_rep_roce_init,
mlx5_ib_stage_rep_roce_cleanup),
STAGE_CREATE(MLX5_IB_STAGE_SRQ,
mlx5_init_srq_table,
mlx5_cleanup_srq_table),
STAGE_CREATE(MLX5_IB_STAGE_DEVICE_RESOURCES,
mlx5_ib_stage_dev_res_init,
mlx5_ib_stage_dev_res_cleanup),

5
drivers/infiniband/hw/mlx5/mlx5_ib.h
View File

@ -41,7 +41,6 @@
#include <linux/mlx5/cq.h>
#include <linux/mlx5/fs.h>
#include <linux/mlx5/qp.h>
#include <linux/mlx5/srq.h>
#include <linux/mlx5/fs.h>
#include <linux/types.h>
#include <linux/mlx5/transobj.h>
@ -50,6 +49,8 @@
#include <rdma/uverbs_ioctl.h>
#include <rdma/mlx5_user_ioctl_cmds.h>
#include "srq.h"
#define mlx5_ib_dbg(_dev, format, arg...) \
dev_dbg(&(_dev)->ib_dev.dev, "%s:%d:(pid %d): " format, __func__, \
__LINE__, current->pid, ##arg)
@ -774,6 +775,7 @@ enum mlx5_ib_stages {
MLX5_IB_STAGE_CAPS,
MLX5_IB_STAGE_NON_DEFAULT_CB,
MLX5_IB_STAGE_ROCE,
MLX5_IB_STAGE_SRQ,
MLX5_IB_STAGE_DEVICE_RESOURCES,
MLX5_IB_STAGE_DEVICE_NOTIFIER,
MLX5_IB_STAGE_ODP,
@ -942,6 +944,7 @@ struct mlx5_ib_dev {
u64 sys_image_guid;
struct mlx5_memic memic;
u16 devx_whitelist_uid;
struct mlx5_srq_table srq_table;
};
static inline struct mlx5_ib_cq *to_mibcq(struct mlx5_core_cq *mcq)

1
drivers/infiniband/hw/mlx5/srq.c
View File

@ -5,7 +5,6 @@
#include <linux/module.h>
#include <linux/mlx5/qp.h>
#include <linux/mlx5/srq.h>
#include <linux/slab.h>
#include <rdma/ib_umem.h>
#include <rdma/ib_user_verbs.h>

25
drivers/infiniband/hw/mlx5/srq.h
View File

@ -37,6 +37,28 @@ struct mlx5_srq_attr {
struct mlx5_ib_dev;
struct mlx5_core_srq {
struct mlx5_core_rsc_common common; /* must be first */
u32 srqn;
int max;
size_t max_gs;
size_t max_avail_gather;
int wqe_shift;
void (*event)(struct mlx5_core_srq *srq, enum mlx5_event e);
atomic_t refcount;
struct completion free;
u16 uid;
};
struct mlx5_srq_table {
struct notifier_block nb;
/* protect radix tree
*/
spinlock_t lock;
struct radix_tree_root tree;
};
int mlx5_cmd_create_srq(struct mlx5_ib_dev *dev, struct mlx5_core_srq *srq,
struct mlx5_srq_attr *in);
int mlx5_cmd_destroy_srq(struct mlx5_ib_dev *dev, struct mlx5_core_srq *srq);
@ -45,4 +67,7 @@ int mlx5_cmd_query_srq(struct mlx5_ib_dev *dev, struct mlx5_core_srq *srq,
int mlx5_cmd_arm_srq(struct mlx5_ib_dev *dev, struct mlx5_core_srq *srq,
u16 lwm, int is_srq);
struct mlx5_core_srq *mlx5_cmd_get_srq(struct mlx5_ib_dev *dev, u32 srqn);
int mlx5_init_srq_table(struct mlx5_ib_dev *dev);
void mlx5_cleanup_srq_table(struct mlx5_ib_dev *dev);
#endif /* MLX5_IB_SRQ_H */

72
drivers/infiniband/hw/mlx5/srq_cmd.c
View File

@ -80,12 +80,9 @@ static void get_srqc(void *srqc, struct mlx5_srq_attr *in)
struct mlx5_core_srq *mlx5_cmd_get_srq(struct mlx5_ib_dev *dev, u32 srqn)
{
struct mlx5_core_dev *mdev = dev->mdev;
struct mlx5_srq_table *table;
struct mlx5_srq_table *table = &dev->srq_table;
struct mlx5_core_srq *srq;
table = &mdev->priv.srq_table;
spin_lock(&table->lock);
srq = radix_tree_lookup(&table->tree, srqn);
@ -576,12 +573,9 @@ static int destroy_srq_split(struct mlx5_ib_dev *dev, struct mlx5_core_srq *srq)
int mlx5_cmd_create_srq(struct mlx5_ib_dev *dev, struct mlx5_core_srq *srq,
struct mlx5_srq_attr *in)
{
struct mlx5_core_dev *mdev = dev->mdev;
struct mlx5_srq_table *table;
struct mlx5_srq_table *table = &dev->srq_table;
int err;
table = &mdev->priv.srq_table;
switch (in->type) {
case IB_SRQT_XRC:
srq->common.res = MLX5_RES_XSRQ;
@ -616,13 +610,10 @@ err_destroy_srq_split:
int mlx5_cmd_destroy_srq(struct mlx5_ib_dev *dev, struct mlx5_core_srq *srq)
{
struct mlx5_core_dev *mdev = dev->mdev;
struct mlx5_srq_table *table;
struct mlx5_srq_table *table = &dev->srq_table;
struct mlx5_core_srq *tmp;
int err;
table = &mdev->priv.srq_table;
spin_lock_irq(&table->lock);
tmp = radix_tree_delete(&table->tree, srq->srqn);
spin_unlock_irq(&table->lock);
@ -669,3 +660,60 @@ int mlx5_cmd_arm_srq(struct mlx5_ib_dev *dev, struct mlx5_core_srq *srq,
return arm_rmp_cmd(dev, srq, lwm);
}
}
static int srq_event_notifier(struct notifier_block *nb,
unsigned long type, void *data)
{
struct mlx5_srq_table *table;
struct mlx5_core_srq *srq;
struct mlx5_eqe *eqe;
u32 srqn;
if (type != MLX5_EVENT_TYPE_SRQ_CATAS_ERROR &&
type != MLX5_EVENT_TYPE_SRQ_RQ_LIMIT)
return NOTIFY_DONE;
table = container_of(nb, struct mlx5_srq_table, nb);
eqe = data;
srqn = be32_to_cpu(eqe->data.qp_srq.qp_srq_n) & 0xffffff;
spin_lock(&table->lock);
srq = radix_tree_lookup(&table->tree, srqn);
if (srq)
atomic_inc(&srq->refcount);
spin_unlock(&table->lock);
if (!srq)
return NOTIFY_OK;
srq->event(srq, eqe->type);
if (atomic_dec_and_test(&srq->refcount))
complete(&srq->free);
return NOTIFY_OK;
}
int mlx5_init_srq_table(struct mlx5_ib_dev *dev)
{
struct mlx5_srq_table *table = &dev->srq_table;
memset(table, 0, sizeof(*table));
spin_lock_init(&table->lock);
INIT_RADIX_TREE(&table->tree, GFP_ATOMIC);
table->nb.notifier_call = srq_event_notifier;
mlx5_notifier_register(dev->mdev, &table->nb);
return 0;
}
void mlx5_cleanup_srq_table(struct mlx5_ib_dev *dev)
{
struct mlx5_srq_table *table = &dev->srq_table;
mlx5_notifier_unregister(dev->mdev, &table->nb);
}

2
drivers/net/ethernet/mellanox/mlx5/core/Makefile
View File

@ -12,7 +12,7 @@ obj-$(CONFIG_MLX5_CORE) += mlx5_core.o
# mlx5 core basic
#
mlx5_core-y := main.o cmd.o debugfs.o fw.o eq.o uar.o pagealloc.o \
health.o mcg.o cq.o srq.o alloc.o qp.o port.o mr.o pd.o \
health.o mcg.o cq.o alloc.o qp.o port.o mr.o pd.o \
mad.o transobj.o vport.o sriov.o fs_cmd.o fs_core.o \
fs_counters.o rl.o lag.o dev.o events.o wq.o lib/gid.o \
diag/fs_tracepoint.o diag/fw_tracer.o

5
drivers/net/ethernet/mellanox/mlx5/core/main.c
View File

@ -43,7 +43,6 @@
#include <linux/mlx5/driver.h>
#include <linux/mlx5/cq.h>
#include <linux/mlx5/qp.h>
#include <linux/mlx5/srq.h>
#include <linux/debugfs.h>
#include <linux/kmod.h>
#include <linux/mlx5/mlx5_ifc.h>
@ -749,8 +748,6 @@ static int mlx5_init_once(struct mlx5_core_dev *dev, struct mlx5_priv *priv)
mlx5_init_qp_table(dev);
mlx5_init_srq_table(dev);
mlx5_init_mkey_table(dev);
mlx5_init_reserved_gids(dev);
@ -804,7 +801,6 @@ err_rl_cleanup:
err_tables_cleanup:
mlx5_vxlan_destroy(dev->vxlan);
mlx5_cleanup_mkey_table(dev);
mlx5_cleanup_srq_table(dev);
mlx5_cleanup_qp_table(dev);
mlx5_cq_debugfs_cleanup(dev);
err_events_cleanup:
@ -828,7 +824,6 @@ static void mlx5_cleanup_once(struct mlx5_core_dev *dev)
mlx5_cleanup_clock(dev);
mlx5_cleanup_reserved_gids(dev);
mlx5_cleanup_mkey_table(dev);
mlx5_cleanup_srq_table(dev);
mlx5_cleanup_qp_table(dev);
mlx5_cq_debugfs_cleanup(dev);
mlx5_events_cleanup(dev);

63
drivers/net/ethernet/mellanox/mlx5/core/srq.c
View File

@ -1,63 +0,0 @@
// SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB
/*
* Copyright (c) 2013-2018, Mellanox Technologies inc. All rights reserved.
*/
#include <linux/kernel.h>
#include <linux/mlx5/driver.h>
#include <linux/mlx5/srq.h>
static int srq_event_notifier(struct notifier_block *nb,
unsigned long type, void *data)
{
struct mlx5_srq_table *table;
struct mlx5_core_srq *srq;
struct mlx5_eqe *eqe;
u32 srqn;
if (type != MLX5_EVENT_TYPE_SRQ_CATAS_ERROR &&
type != MLX5_EVENT_TYPE_SRQ_RQ_LIMIT)
return NOTIFY_DONE;
table = container_of(nb, struct mlx5_srq_table, nb);
eqe = data;
srqn = be32_to_cpu(eqe->data.qp_srq.qp_srq_n) & 0xffffff;
spin_lock(&table->lock);
srq = radix_tree_lookup(&table->tree, srqn);
if (srq)
atomic_inc(&srq->refcount);
spin_unlock(&table->lock);
if (!srq)
return NOTIFY_OK;
srq->event(srq, eqe->type);
if (atomic_dec_and_test(&srq->refcount))
complete(&srq->free);
return NOTIFY_OK;
}
void mlx5_init_srq_table(struct mlx5_core_dev *dev)
{
struct mlx5_srq_table *table = &dev->priv.srq_table;
memset(table, 0, sizeof(*table));
spin_lock_init(&table->lock);
INIT_RADIX_TREE(&table->tree, GFP_ATOMIC);
table->nb.notifier_call = srq_event_notifier;
mlx5_notifier_register(dev, &table->nb);
}
void mlx5_cleanup_srq_table(struct mlx5_core_dev *dev)
{
struct mlx5_srq_table *table = &dev->priv.srq_table;
mlx5_notifier_unregister(dev, &table->nb);
}

25
include/linux/mlx5/driver.h
View File

@ -50,7 +50,6 @@
#include <linux/mlx5/device.h>
#include <linux/mlx5/doorbell.h>
#include <linux/mlx5/srq.h>
#include <linux/mlx5/eq.h>
#include <linux/timecounter.h>
#include <linux/ptp_clock_kernel.h>
@ -393,20 +392,6 @@ struct mlx5_core_rsc_common {
struct completion free;
};
struct mlx5_core_srq {
struct mlx5_core_rsc_common common; /* must be first */
u32 srqn;
int max;
size_t max_gs;
size_t max_avail_gather;
int wqe_shift;
void (*event) (struct mlx5_core_srq *, enum mlx5_event);
atomic_t refcount;
struct completion free;
u16 uid;
};
struct mlx5_uars_page {
void __iomem *map;
bool wc;
@ -464,14 +449,6 @@ struct mlx5_qp_table {
struct radix_tree_root tree;
};
struct mlx5_srq_table {
struct notifier_block nb;
/* protect radix tree
*/
spinlock_t lock;
struct radix_tree_root tree;
};
struct mlx5_mkey_table {
/* protect radix tree
*/
@ -547,8 +524,6 @@ struct mlx5_priv {
struct mlx5_core_health health;
struct mlx5_srq_table srq_table;
/* start: qp staff */
struct mlx5_qp_table qp_table;
struct dentry *qp_debugfs;

14
include/linux/mlx5/srq.h
View File

@ -1,14 +0,0 @@
/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */
/*
* Copyright (c) 2013-2018, Mellanox Technologies. All rights reserved.
*/
#ifndef MLX5_SRQ_H
#define MLX5_SRQ_H
struct mlx5_core_dev;
void mlx5_init_srq_table(struct mlx5_core_dev *dev);
void mlx5_cleanup_srq_table(struct mlx5_core_dev *dev);
#endif /* MLX5_SRQ_H */