From 1abfb265f0accc8635254cf1da03154ac7a5fb1b Mon Sep 17 00:00:00 2001 From: Jiri Pirko Date: Tue, 12 Jul 2022 12:24:22 +0200 Subject: [PATCH 1/3] net: devlink: fix unlocked vs locked functions descriptions To be unified with the rest of the code, the unlocked version (devl_*) of function should have the same description in documentation as the locked one. Add the missing documentation. Also, add "Context" annotation for the locked versions where it is missing. Signed-off-by: Jiri Pirko Acked-by: Jakub Kicinski Signed-off-by: David S. Miller --- net/core/devlink.c | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) diff --git a/net/core/devlink.c b/net/core/devlink.c index e206cc90bec52..8cef65a6934d8 100644 --- a/net/core/devlink.c +++ b/net/core/devlink.c @@ -9673,6 +9673,19 @@ static void devlink_port_type_warn_cancel(struct devlink_port *devlink_port) cancel_delayed_work_sync(&devlink_port->type_warn_dw); } +/** + * devl_port_register() - Register devlink port + * + * @devlink: devlink + * @devlink_port: devlink port + * @port_index: driver-specific numerical identifier of the port + * + * Register devlink port with provided port index. User can use + * any indexing, even hw-related one. devlink_port structure + * is convenient to be embedded inside user driver private structure. + * Note that the caller should take care of zeroing the devlink_port + * structure. + */ int devl_port_register(struct devlink *devlink, struct devlink_port *devlink_port, unsigned int port_index) @@ -9711,6 +9724,8 @@ EXPORT_SYMBOL_GPL(devl_port_register); * is convenient to be embedded inside user driver private structure. * Note that the caller should take care of zeroing the devlink_port * structure. + * + * Context: Takes and release devlink->lock . */ int devlink_port_register(struct devlink *devlink, struct devlink_port *devlink_port, @@ -9725,6 +9740,11 @@ int devlink_port_register(struct devlink *devlink, } EXPORT_SYMBOL_GPL(devlink_port_register); +/** + * devl_port_unregister() - Unregister devlink port + * + * @devlink_port: devlink port + */ void devl_port_unregister(struct devlink_port *devlink_port) { lockdep_assert_held(&devlink_port->devlink->lock); @@ -9742,6 +9762,8 @@ EXPORT_SYMBOL_GPL(devl_port_unregister); * devlink_port_unregister - Unregister devlink port * * @devlink_port: devlink port + * + * Context: Takes and release devlink->lock . */ void devlink_port_unregister(struct devlink_port *devlink_port) { From 7715023aa51f2a2d14d1ae785f2cb3cd72819d6f Mon Sep 17 00:00:00 2001 From: Jiri Pirko Date: Tue, 12 Jul 2022 12:24:23 +0200 Subject: [PATCH 2/3] net: devlink: use helpers to work with devlink->lock mutex As far as the lock helpers exist as the drivers need to work with the devlink->lock mutex, use the helpers internally in devlink.c in order to be consistent. Signed-off-by: Jiri Pirko Acked-by: Jakub Kicinski Signed-off-by: David S. Miller --- net/core/devlink.c | 230 ++++++++++++++++++++++----------------------- 1 file changed, 115 insertions(+), 115 deletions(-) diff --git a/net/core/devlink.c b/net/core/devlink.c index 8cef65a6934d8..2b2e454ebd78c 100644 --- a/net/core/devlink.c +++ b/net/core/devlink.c @@ -711,7 +711,7 @@ static int devlink_nl_pre_doit(const struct genl_ops *ops, return PTR_ERR(devlink); } if (~ops->internal_flags & DEVLINK_NL_FLAG_NO_LOCK) - mutex_lock(&devlink->lock); + devl_lock(devlink); info->user_ptr[0] = devlink; if (ops->internal_flags & DEVLINK_NL_FLAG_NEED_PORT) { devlink_port = devlink_port_get_from_info(devlink, info); @@ -754,7 +754,7 @@ static int devlink_nl_pre_doit(const struct genl_ops *ops, unlock: if (~ops->internal_flags & DEVLINK_NL_FLAG_NO_LOCK) - mutex_unlock(&devlink->lock); + devl_unlock(devlink); devlink_put(devlink); mutex_unlock(&devlink_mutex); return err; @@ -772,7 +772,7 @@ static void devlink_nl_post_doit(const struct genl_ops *ops, devlink_linecard_put(linecard); } if (~ops->internal_flags & DEVLINK_NL_FLAG_NO_LOCK) - mutex_unlock(&devlink->lock); + devl_unlock(devlink); devlink_put(devlink); mutex_unlock(&devlink_mutex); } @@ -1329,7 +1329,7 @@ static int devlink_nl_cmd_rate_get_dumpit(struct sk_buff *msg, if (!net_eq(devlink_net(devlink), sock_net(msg->sk))) goto retry; - mutex_lock(&devlink->lock); + devl_lock(devlink); list_for_each_entry(devlink_rate, &devlink->rate_list, list) { enum devlink_command cmd = DEVLINK_CMD_RATE_NEW; u32 id = NETLINK_CB(cb->skb).portid; @@ -1342,13 +1342,13 @@ static int devlink_nl_cmd_rate_get_dumpit(struct sk_buff *msg, cb->nlh->nlmsg_seq, NLM_F_MULTI, NULL); if (err) { - mutex_unlock(&devlink->lock); + devl_unlock(devlink); devlink_put(devlink); goto out; } idx++; } - mutex_unlock(&devlink->lock); + devl_unlock(devlink); retry: devlink_put(devlink); } @@ -1495,7 +1495,7 @@ static int devlink_nl_cmd_port_get_dumpit(struct sk_buff *msg, if (!net_eq(devlink_net(devlink), sock_net(msg->sk))) goto retry; - mutex_lock(&devlink->lock); + devl_lock(devlink); list_for_each_entry(devlink_port, &devlink->port_list, list) { if (idx < start) { idx++; @@ -1507,13 +1507,13 @@ static int devlink_nl_cmd_port_get_dumpit(struct sk_buff *msg, cb->nlh->nlmsg_seq, NLM_F_MULTI, cb->extack); if (err) { - mutex_unlock(&devlink->lock); + devl_unlock(devlink); devlink_put(devlink); goto out; } idx++; } - mutex_unlock(&devlink->lock); + devl_unlock(devlink); retry: devlink_put(devlink); } @@ -2450,7 +2450,7 @@ static int devlink_nl_cmd_sb_get_dumpit(struct sk_buff *msg, if (!net_eq(devlink_net(devlink), sock_net(msg->sk))) goto retry; - mutex_lock(&devlink->lock); + devl_lock(devlink); list_for_each_entry(devlink_sb, &devlink->sb_list, list) { if (idx < start) { idx++; @@ -2462,13 +2462,13 @@ static int devlink_nl_cmd_sb_get_dumpit(struct sk_buff *msg, cb->nlh->nlmsg_seq, NLM_F_MULTI); if (err) { - mutex_unlock(&devlink->lock); + devl_unlock(devlink); devlink_put(devlink); goto out; } idx++; } - mutex_unlock(&devlink->lock); + devl_unlock(devlink); retry: devlink_put(devlink); } @@ -2603,7 +2603,7 @@ static int devlink_nl_cmd_sb_pool_get_dumpit(struct sk_buff *msg, !devlink->ops->sb_pool_get) goto retry; - mutex_lock(&devlink->lock); + devl_lock(devlink); list_for_each_entry(devlink_sb, &devlink->sb_list, list) { err = __sb_pool_get_dumpit(msg, start, &idx, devlink, devlink_sb, @@ -2612,12 +2612,12 @@ static int devlink_nl_cmd_sb_pool_get_dumpit(struct sk_buff *msg, if (err == -EOPNOTSUPP) { err = 0; } else if (err) { - mutex_unlock(&devlink->lock); + devl_unlock(devlink); devlink_put(devlink); goto out; } } - mutex_unlock(&devlink->lock); + devl_unlock(devlink); retry: devlink_put(devlink); } @@ -2824,7 +2824,7 @@ static int devlink_nl_cmd_sb_port_pool_get_dumpit(struct sk_buff *msg, !devlink->ops->sb_port_pool_get) goto retry; - mutex_lock(&devlink->lock); + devl_lock(devlink); list_for_each_entry(devlink_sb, &devlink->sb_list, list) { err = __sb_port_pool_get_dumpit(msg, start, &idx, devlink, devlink_sb, @@ -2833,12 +2833,12 @@ static int devlink_nl_cmd_sb_port_pool_get_dumpit(struct sk_buff *msg, if (err == -EOPNOTSUPP) { err = 0; } else if (err) { - mutex_unlock(&devlink->lock); + devl_unlock(devlink); devlink_put(devlink); goto out; } } - mutex_unlock(&devlink->lock); + devl_unlock(devlink); retry: devlink_put(devlink); } @@ -3073,7 +3073,7 @@ devlink_nl_cmd_sb_tc_pool_bind_get_dumpit(struct sk_buff *msg, !devlink->ops->sb_tc_pool_bind_get) goto retry; - mutex_lock(&devlink->lock); + devl_lock(devlink); list_for_each_entry(devlink_sb, &devlink->sb_list, list) { err = __sb_tc_pool_bind_get_dumpit(msg, start, &idx, devlink, @@ -3083,12 +3083,12 @@ devlink_nl_cmd_sb_tc_pool_bind_get_dumpit(struct sk_buff *msg, if (err == -EOPNOTSUPP) { err = 0; } else if (err) { - mutex_unlock(&devlink->lock); + devl_unlock(devlink); devlink_put(devlink); goto out; } } - mutex_unlock(&devlink->lock); + devl_unlock(devlink); retry: devlink_put(devlink); } @@ -5159,7 +5159,7 @@ static int devlink_nl_cmd_param_get_dumpit(struct sk_buff *msg, if (!net_eq(devlink_net(devlink), sock_net(msg->sk))) goto retry; - mutex_lock(&devlink->lock); + devl_lock(devlink); list_for_each_entry(param_item, &devlink->param_list, list) { if (idx < start) { idx++; @@ -5173,13 +5173,13 @@ static int devlink_nl_cmd_param_get_dumpit(struct sk_buff *msg, if (err == -EOPNOTSUPP) { err = 0; } else if (err) { - mutex_unlock(&devlink->lock); + devl_unlock(devlink); devlink_put(devlink); goto out; } idx++; } - mutex_unlock(&devlink->lock); + devl_unlock(devlink); retry: devlink_put(devlink); } @@ -5394,7 +5394,7 @@ static int devlink_nl_cmd_port_param_get_dumpit(struct sk_buff *msg, if (!net_eq(devlink_net(devlink), sock_net(msg->sk))) goto retry; - mutex_lock(&devlink->lock); + devl_lock(devlink); list_for_each_entry(devlink_port, &devlink->port_list, list) { list_for_each_entry(param_item, &devlink_port->param_list, list) { @@ -5412,14 +5412,14 @@ static int devlink_nl_cmd_port_param_get_dumpit(struct sk_buff *msg, if (err == -EOPNOTSUPP) { err = 0; } else if (err) { - mutex_unlock(&devlink->lock); + devl_unlock(devlink); devlink_put(devlink); goto out; } idx++; } } - mutex_unlock(&devlink->lock); + devl_unlock(devlink); retry: devlink_put(devlink); } @@ -5671,7 +5671,7 @@ static int __devlink_snapshot_id_increment(struct devlink *devlink, u32 id) unsigned long count; void *p; - lockdep_assert_held(&devlink->lock); + devl_assert_locked(devlink); p = xa_load(&devlink->snapshot_ids, id); if (WARN_ON(!p)) @@ -5707,7 +5707,7 @@ static void __devlink_snapshot_id_decrement(struct devlink *devlink, u32 id) unsigned long count; void *p; - lockdep_assert_held(&devlink->lock); + devl_assert_locked(devlink); p = xa_load(&devlink->snapshot_ids, id); if (WARN_ON(!p)) @@ -5746,7 +5746,7 @@ static void __devlink_snapshot_id_decrement(struct devlink *devlink, u32 id) */ static int __devlink_snapshot_id_insert(struct devlink *devlink, u32 id) { - lockdep_assert_held(&devlink->lock); + devl_assert_locked(devlink); if (xa_load(&devlink->snapshot_ids, id)) return -EEXIST; @@ -5773,7 +5773,7 @@ static int __devlink_snapshot_id_insert(struct devlink *devlink, u32 id) */ static int __devlink_region_snapshot_id_get(struct devlink *devlink, u32 *id) { - lockdep_assert_held(&devlink->lock); + devl_assert_locked(devlink); return xa_alloc(&devlink->snapshot_ids, id, xa_mk_value(1), xa_limit_32b, GFP_KERNEL); @@ -5801,7 +5801,7 @@ __devlink_region_snapshot_create(struct devlink_region *region, struct devlink_snapshot *snapshot; int err; - lockdep_assert_held(&devlink->lock); + devl_assert_locked(devlink); /* check if region can hold one more snapshot */ if (region->cur_snapshots == region->max_snapshots) @@ -5839,7 +5839,7 @@ static void devlink_region_snapshot_del(struct devlink_region *region, { struct devlink *devlink = region->devlink; - lockdep_assert_held(&devlink->lock); + devl_assert_locked(devlink); devlink_nl_region_notify(region, snapshot, DEVLINK_CMD_REGION_DEL); region->cur_snapshots--; @@ -5933,7 +5933,7 @@ static int devlink_nl_cmd_region_get_devlink_dumpit(struct sk_buff *msg, struct devlink_port *port; int err = 0; - mutex_lock(&devlink->lock); + devl_lock(devlink); list_for_each_entry(region, &devlink->region_list, list) { if (*idx < start) { (*idx)++; @@ -5957,7 +5957,7 @@ static int devlink_nl_cmd_region_get_devlink_dumpit(struct sk_buff *msg, } out: - mutex_unlock(&devlink->lock); + devl_unlock(devlink); return err; } @@ -6247,7 +6247,7 @@ static int devlink_nl_cmd_region_read_dumpit(struct sk_buff *skb, goto out_dev; } - mutex_lock(&devlink->lock); + devl_lock(devlink); if (!attrs[DEVLINK_ATTR_REGION_NAME] || !attrs[DEVLINK_ATTR_REGION_SNAPSHOT_ID]) { @@ -6343,7 +6343,7 @@ static int devlink_nl_cmd_region_read_dumpit(struct sk_buff *skb, nla_nest_end(skb, chunks_attr); genlmsg_end(skb, hdr); - mutex_unlock(&devlink->lock); + devl_unlock(devlink); devlink_put(devlink); mutex_unlock(&devlink_mutex); @@ -6352,7 +6352,7 @@ static int devlink_nl_cmd_region_read_dumpit(struct sk_buff *skb, nla_put_failure: genlmsg_cancel(skb, hdr); out_unlock: - mutex_unlock(&devlink->lock); + devl_unlock(devlink); devlink_put(devlink); out_dev: mutex_unlock(&devlink_mutex); @@ -6515,12 +6515,12 @@ static int devlink_nl_cmd_info_get_dumpit(struct sk_buff *msg, if (idx < start || !devlink->ops->info_get) goto inc; - mutex_lock(&devlink->lock); + devl_lock(devlink); err = devlink_nl_info_fill(msg, devlink, DEVLINK_CMD_INFO_GET, NETLINK_CB(cb->skb).portid, cb->nlh->nlmsg_seq, NLM_F_MULTI, cb->extack); - mutex_unlock(&devlink->lock); + devl_unlock(devlink); if (err == -EOPNOTSUPP) err = 0; else if (err) { @@ -7722,7 +7722,7 @@ devlink_nl_cmd_health_reporter_get_dumpit(struct sk_buff *msg, if (!net_eq(devlink_net(devlink), sock_net(msg->sk))) goto retry_port; - mutex_lock(&devlink->lock); + devl_lock(devlink); list_for_each_entry(port, &devlink->port_list, list) { mutex_lock(&port->reporters_lock); list_for_each_entry(reporter, &port->reporter_list, list) { @@ -7737,7 +7737,7 @@ devlink_nl_cmd_health_reporter_get_dumpit(struct sk_buff *msg, cb->nlh->nlmsg_seq, NLM_F_MULTI); if (err) { mutex_unlock(&port->reporters_lock); - mutex_unlock(&devlink->lock); + devl_unlock(devlink); devlink_put(devlink); goto out; } @@ -7745,7 +7745,7 @@ devlink_nl_cmd_health_reporter_get_dumpit(struct sk_buff *msg, } mutex_unlock(&port->reporters_lock); } - mutex_unlock(&devlink->lock); + devl_unlock(devlink); retry_port: devlink_put(devlink); } @@ -8292,7 +8292,7 @@ static int devlink_nl_cmd_trap_get_dumpit(struct sk_buff *msg, if (!net_eq(devlink_net(devlink), sock_net(msg->sk))) goto retry; - mutex_lock(&devlink->lock); + devl_lock(devlink); list_for_each_entry(trap_item, &devlink->trap_list, list) { if (idx < start) { idx++; @@ -8304,13 +8304,13 @@ static int devlink_nl_cmd_trap_get_dumpit(struct sk_buff *msg, cb->nlh->nlmsg_seq, NLM_F_MULTI); if (err) { - mutex_unlock(&devlink->lock); + devl_unlock(devlink); devlink_put(devlink); goto out; } idx++; } - mutex_unlock(&devlink->lock); + devl_unlock(devlink); retry: devlink_put(devlink); } @@ -8519,7 +8519,7 @@ static int devlink_nl_cmd_trap_group_get_dumpit(struct sk_buff *msg, if (!net_eq(devlink_net(devlink), sock_net(msg->sk))) goto retry; - mutex_lock(&devlink->lock); + devl_lock(devlink); list_for_each_entry(group_item, &devlink->trap_group_list, list) { if (idx < start) { @@ -8532,13 +8532,13 @@ static int devlink_nl_cmd_trap_group_get_dumpit(struct sk_buff *msg, cb->nlh->nlmsg_seq, NLM_F_MULTI); if (err) { - mutex_unlock(&devlink->lock); + devl_unlock(devlink); devlink_put(devlink); goto out; } idx++; } - mutex_unlock(&devlink->lock); + devl_unlock(devlink); retry: devlink_put(devlink); } @@ -8833,7 +8833,7 @@ static int devlink_nl_cmd_trap_policer_get_dumpit(struct sk_buff *msg, if (!net_eq(devlink_net(devlink), sock_net(msg->sk))) goto retry; - mutex_lock(&devlink->lock); + devl_lock(devlink); list_for_each_entry(policer_item, &devlink->trap_policer_list, list) { if (idx < start) { @@ -8846,13 +8846,13 @@ static int devlink_nl_cmd_trap_policer_get_dumpit(struct sk_buff *msg, cb->nlh->nlmsg_seq, NLM_F_MULTI); if (err) { - mutex_unlock(&devlink->lock); + devl_unlock(devlink); devlink_put(devlink); goto out; } idx++; } - mutex_unlock(&devlink->lock); + devl_unlock(devlink); retry: devlink_put(devlink); } @@ -9690,7 +9690,7 @@ int devl_port_register(struct devlink *devlink, struct devlink_port *devlink_port, unsigned int port_index) { - lockdep_assert_held(&devlink->lock); + devl_assert_locked(devlink); if (devlink_port_index_exists(devlink, port_index)) return -EEXIST; @@ -9733,9 +9733,9 @@ int devlink_port_register(struct devlink *devlink, { int err; - mutex_lock(&devlink->lock); + devl_lock(devlink); err = devl_port_register(devlink, devlink_port, port_index); - mutex_unlock(&devlink->lock); + devl_unlock(devlink); return err; } EXPORT_SYMBOL_GPL(devlink_port_register); @@ -9769,9 +9769,9 @@ void devlink_port_unregister(struct devlink_port *devlink_port) { struct devlink *devlink = devlink_port->devlink; - mutex_lock(&devlink->lock); + devl_lock(devlink); devl_port_unregister(devlink_port); - mutex_unlock(&devlink->lock); + devl_unlock(devlink); } EXPORT_SYMBOL_GPL(devlink_port_unregister); @@ -10380,7 +10380,7 @@ int devlink_sb_register(struct devlink *devlink, unsigned int sb_index, struct devlink_sb *devlink_sb; int err = 0; - mutex_lock(&devlink->lock); + devl_lock(devlink); if (devlink_sb_index_exists(devlink, sb_index)) { err = -EEXIST; goto unlock; @@ -10399,7 +10399,7 @@ int devlink_sb_register(struct devlink *devlink, unsigned int sb_index, devlink_sb->egress_tc_count = egress_tc_count; list_add_tail(&devlink_sb->list, &devlink->sb_list); unlock: - mutex_unlock(&devlink->lock); + devl_unlock(devlink); return err; } EXPORT_SYMBOL_GPL(devlink_sb_register); @@ -10408,11 +10408,11 @@ void devlink_sb_unregister(struct devlink *devlink, unsigned int sb_index) { struct devlink_sb *devlink_sb; - mutex_lock(&devlink->lock); + devl_lock(devlink); devlink_sb = devlink_sb_get_by_index(devlink, sb_index); WARN_ON(!devlink_sb); list_del(&devlink_sb->list); - mutex_unlock(&devlink->lock); + devl_unlock(devlink); kfree(devlink_sb); } EXPORT_SYMBOL_GPL(devlink_sb_unregister); @@ -10428,9 +10428,9 @@ EXPORT_SYMBOL_GPL(devlink_sb_unregister); int devlink_dpipe_headers_register(struct devlink *devlink, struct devlink_dpipe_headers *dpipe_headers) { - mutex_lock(&devlink->lock); + devl_lock(devlink); devlink->dpipe_headers = dpipe_headers; - mutex_unlock(&devlink->lock); + devl_unlock(devlink); return 0; } EXPORT_SYMBOL_GPL(devlink_dpipe_headers_register); @@ -10444,9 +10444,9 @@ EXPORT_SYMBOL_GPL(devlink_dpipe_headers_register); */ void devlink_dpipe_headers_unregister(struct devlink *devlink) { - mutex_lock(&devlink->lock); + devl_lock(devlink); devlink->dpipe_headers = NULL; - mutex_unlock(&devlink->lock); + devl_unlock(devlink); } EXPORT_SYMBOL_GPL(devlink_dpipe_headers_unregister); @@ -10501,7 +10501,7 @@ int devlink_dpipe_table_register(struct devlink *devlink, if (WARN_ON(!table_ops->size_get)) return -EINVAL; - mutex_lock(&devlink->lock); + devl_lock(devlink); if (devlink_dpipe_table_find(&devlink->dpipe_table_list, table_name, devlink)) { @@ -10522,7 +10522,7 @@ int devlink_dpipe_table_register(struct devlink *devlink, list_add_tail_rcu(&table->list, &devlink->dpipe_table_list); unlock: - mutex_unlock(&devlink->lock); + devl_unlock(devlink); return err; } EXPORT_SYMBOL_GPL(devlink_dpipe_table_register); @@ -10538,17 +10538,17 @@ void devlink_dpipe_table_unregister(struct devlink *devlink, { struct devlink_dpipe_table *table; - mutex_lock(&devlink->lock); + devl_lock(devlink); table = devlink_dpipe_table_find(&devlink->dpipe_table_list, table_name, devlink); if (!table) goto unlock; list_del_rcu(&table->list); - mutex_unlock(&devlink->lock); + devl_unlock(devlink); kfree_rcu(table, rcu); return; unlock: - mutex_unlock(&devlink->lock); + devl_unlock(devlink); } EXPORT_SYMBOL_GPL(devlink_dpipe_table_unregister); @@ -10580,7 +10580,7 @@ int devlink_resource_register(struct devlink *devlink, top_hierarchy = parent_resource_id == DEVLINK_RESOURCE_ID_PARENT_TOP; - mutex_lock(&devlink->lock); + devl_lock(devlink); resource = devlink_resource_find(devlink, NULL, resource_id); if (resource) { err = -EINVAL; @@ -10620,7 +10620,7 @@ int devlink_resource_register(struct devlink *devlink, INIT_LIST_HEAD(&resource->resource_list); list_add_tail(&resource->list, resource_list); out: - mutex_unlock(&devlink->lock); + devl_unlock(devlink); return err; } EXPORT_SYMBOL_GPL(devlink_resource_register); @@ -10647,7 +10647,7 @@ void devlink_resources_unregister(struct devlink *devlink) { struct devlink_resource *tmp, *child_resource; - mutex_lock(&devlink->lock); + devl_lock(devlink); list_for_each_entry_safe(child_resource, tmp, &devlink->resource_list, list) { @@ -10656,7 +10656,7 @@ void devlink_resources_unregister(struct devlink *devlink) kfree(child_resource); } - mutex_unlock(&devlink->lock); + devl_unlock(devlink); } EXPORT_SYMBOL_GPL(devlink_resources_unregister); @@ -10674,7 +10674,7 @@ int devlink_resource_size_get(struct devlink *devlink, struct devlink_resource *resource; int err = 0; - mutex_lock(&devlink->lock); + devl_lock(devlink); resource = devlink_resource_find(devlink, NULL, resource_id); if (!resource) { err = -EINVAL; @@ -10683,7 +10683,7 @@ int devlink_resource_size_get(struct devlink *devlink, *p_resource_size = resource->size_new; resource->size = resource->size_new; out: - mutex_unlock(&devlink->lock); + devl_unlock(devlink); return err; } EXPORT_SYMBOL_GPL(devlink_resource_size_get); @@ -10703,7 +10703,7 @@ int devlink_dpipe_table_resource_set(struct devlink *devlink, struct devlink_dpipe_table *table; int err = 0; - mutex_lock(&devlink->lock); + devl_lock(devlink); table = devlink_dpipe_table_find(&devlink->dpipe_table_list, table_name, devlink); if (!table) { @@ -10714,7 +10714,7 @@ int devlink_dpipe_table_resource_set(struct devlink *devlink, table->resource_units = resource_units; table->resource_valid = true; out: - mutex_unlock(&devlink->lock); + devl_unlock(devlink); return err; } EXPORT_SYMBOL_GPL(devlink_dpipe_table_resource_set); @@ -10734,7 +10734,7 @@ void devlink_resource_occ_get_register(struct devlink *devlink, { struct devlink_resource *resource; - mutex_lock(&devlink->lock); + devl_lock(devlink); resource = devlink_resource_find(devlink, NULL, resource_id); if (WARN_ON(!resource)) goto out; @@ -10743,7 +10743,7 @@ void devlink_resource_occ_get_register(struct devlink *devlink, resource->occ_get = occ_get; resource->occ_get_priv = occ_get_priv; out: - mutex_unlock(&devlink->lock); + devl_unlock(devlink); } EXPORT_SYMBOL_GPL(devlink_resource_occ_get_register); @@ -10758,7 +10758,7 @@ void devlink_resource_occ_get_unregister(struct devlink *devlink, { struct devlink_resource *resource; - mutex_lock(&devlink->lock); + devl_lock(devlink); resource = devlink_resource_find(devlink, NULL, resource_id); if (WARN_ON(!resource)) goto out; @@ -10767,7 +10767,7 @@ void devlink_resource_occ_get_unregister(struct devlink *devlink, resource->occ_get = NULL; resource->occ_get_priv = NULL; out: - mutex_unlock(&devlink->lock); + devl_unlock(devlink); } EXPORT_SYMBOL_GPL(devlink_resource_occ_get_unregister); @@ -11006,7 +11006,7 @@ devlink_region_create(struct devlink *devlink, if (WARN_ON(!ops) || WARN_ON(!ops->destructor)) return ERR_PTR(-EINVAL); - mutex_lock(&devlink->lock); + devl_lock(devlink); if (devlink_region_get_by_name(devlink, ops->name)) { err = -EEXIST; @@ -11027,11 +11027,11 @@ devlink_region_create(struct devlink *devlink, list_add_tail(®ion->list, &devlink->region_list); devlink_nl_region_notify(region, NULL, DEVLINK_CMD_REGION_NEW); - mutex_unlock(&devlink->lock); + devl_unlock(devlink); return region; unlock: - mutex_unlock(&devlink->lock); + devl_unlock(devlink); return ERR_PTR(err); } EXPORT_SYMBOL_GPL(devlink_region_create); @@ -11056,7 +11056,7 @@ devlink_port_region_create(struct devlink_port *port, if (WARN_ON(!ops) || WARN_ON(!ops->destructor)) return ERR_PTR(-EINVAL); - mutex_lock(&devlink->lock); + devl_lock(devlink); if (devlink_port_region_get_by_name(port, ops->name)) { err = -EEXIST; @@ -11078,11 +11078,11 @@ devlink_port_region_create(struct devlink_port *port, list_add_tail(®ion->list, &port->region_list); devlink_nl_region_notify(region, NULL, DEVLINK_CMD_REGION_NEW); - mutex_unlock(&devlink->lock); + devl_unlock(devlink); return region; unlock: - mutex_unlock(&devlink->lock); + devl_unlock(devlink); return ERR_PTR(err); } EXPORT_SYMBOL_GPL(devlink_port_region_create); @@ -11097,7 +11097,7 @@ void devlink_region_destroy(struct devlink_region *region) struct devlink *devlink = region->devlink; struct devlink_snapshot *snapshot, *ts; - mutex_lock(&devlink->lock); + devl_lock(devlink); /* Free all snapshots of region */ list_for_each_entry_safe(snapshot, ts, ®ion->snapshot_list, list) @@ -11106,7 +11106,7 @@ void devlink_region_destroy(struct devlink_region *region) list_del(®ion->list); devlink_nl_region_notify(region, NULL, DEVLINK_CMD_REGION_DEL); - mutex_unlock(&devlink->lock); + devl_unlock(devlink); kfree(region); } EXPORT_SYMBOL_GPL(devlink_region_destroy); @@ -11130,9 +11130,9 @@ int devlink_region_snapshot_id_get(struct devlink *devlink, u32 *id) { int err; - mutex_lock(&devlink->lock); + devl_lock(devlink); err = __devlink_region_snapshot_id_get(devlink, id); - mutex_unlock(&devlink->lock); + devl_unlock(devlink); return err; } @@ -11150,9 +11150,9 @@ EXPORT_SYMBOL_GPL(devlink_region_snapshot_id_get); */ void devlink_region_snapshot_id_put(struct devlink *devlink, u32 id) { - mutex_lock(&devlink->lock); + devl_lock(devlink); __devlink_snapshot_id_decrement(devlink, id); - mutex_unlock(&devlink->lock); + devl_unlock(devlink); } EXPORT_SYMBOL_GPL(devlink_region_snapshot_id_put); @@ -11174,9 +11174,9 @@ int devlink_region_snapshot_create(struct devlink_region *region, struct devlink *devlink = region->devlink; int err; - mutex_lock(&devlink->lock); + devl_lock(devlink); err = __devlink_region_snapshot_create(region, data, snapshot_id); - mutex_unlock(&devlink->lock); + devl_unlock(devlink); return err; } @@ -11559,7 +11559,7 @@ int devlink_traps_register(struct devlink *devlink, if (!devlink->ops->trap_init || !devlink->ops->trap_action_set) return -EINVAL; - mutex_lock(&devlink->lock); + devl_lock(devlink); for (i = 0; i < traps_count; i++) { const struct devlink_trap *trap = &traps[i]; @@ -11571,7 +11571,7 @@ int devlink_traps_register(struct devlink *devlink, if (err) goto err_trap_register; } - mutex_unlock(&devlink->lock); + devl_unlock(devlink); return 0; @@ -11579,7 +11579,7 @@ int devlink_traps_register(struct devlink *devlink, err_trap_verify: for (i--; i >= 0; i--) devlink_trap_unregister(devlink, &traps[i]); - mutex_unlock(&devlink->lock); + devl_unlock(devlink); return err; } EXPORT_SYMBOL_GPL(devlink_traps_register); @@ -11596,7 +11596,7 @@ void devlink_traps_unregister(struct devlink *devlink, { int i; - mutex_lock(&devlink->lock); + devl_lock(devlink); /* Make sure we do not have any packets in-flight while unregistering * traps by disabling all of them and waiting for a grace period. */ @@ -11605,7 +11605,7 @@ void devlink_traps_unregister(struct devlink *devlink, synchronize_rcu(); for (i = traps_count - 1; i >= 0; i--) devlink_trap_unregister(devlink, &traps[i]); - mutex_unlock(&devlink->lock); + devl_unlock(devlink); } EXPORT_SYMBOL_GPL(devlink_traps_unregister); @@ -11777,7 +11777,7 @@ int devlink_trap_groups_register(struct devlink *devlink, { int i, err; - mutex_lock(&devlink->lock); + devl_lock(devlink); for (i = 0; i < groups_count; i++) { const struct devlink_trap_group *group = &groups[i]; @@ -11789,7 +11789,7 @@ int devlink_trap_groups_register(struct devlink *devlink, if (err) goto err_trap_group_register; } - mutex_unlock(&devlink->lock); + devl_unlock(devlink); return 0; @@ -11797,7 +11797,7 @@ int devlink_trap_groups_register(struct devlink *devlink, err_trap_group_verify: for (i--; i >= 0; i--) devlink_trap_group_unregister(devlink, &groups[i]); - mutex_unlock(&devlink->lock); + devl_unlock(devlink); return err; } EXPORT_SYMBOL_GPL(devlink_trap_groups_register); @@ -11814,10 +11814,10 @@ void devlink_trap_groups_unregister(struct devlink *devlink, { int i; - mutex_lock(&devlink->lock); + devl_lock(devlink); for (i = groups_count - 1; i >= 0; i--) devlink_trap_group_unregister(devlink, &groups[i]); - mutex_unlock(&devlink->lock); + devl_unlock(devlink); } EXPORT_SYMBOL_GPL(devlink_trap_groups_unregister); @@ -11917,7 +11917,7 @@ devlink_trap_policers_register(struct devlink *devlink, { int i, err; - mutex_lock(&devlink->lock); + devl_lock(devlink); for (i = 0; i < policers_count; i++) { const struct devlink_trap_policer *policer = &policers[i]; @@ -11932,7 +11932,7 @@ devlink_trap_policers_register(struct devlink *devlink, if (err) goto err_trap_policer_register; } - mutex_unlock(&devlink->lock); + devl_unlock(devlink); return 0; @@ -11940,7 +11940,7 @@ devlink_trap_policers_register(struct devlink *devlink, err_trap_policer_verify: for (i--; i >= 0; i--) devlink_trap_policer_unregister(devlink, &policers[i]); - mutex_unlock(&devlink->lock); + devl_unlock(devlink); return err; } EXPORT_SYMBOL_GPL(devlink_trap_policers_register); @@ -11958,10 +11958,10 @@ devlink_trap_policers_unregister(struct devlink *devlink, { int i; - mutex_lock(&devlink->lock); + devl_lock(devlink); for (i = policers_count - 1; i >= 0; i--) devlink_trap_policer_unregister(devlink, &policers[i]); - mutex_unlock(&devlink->lock); + devl_unlock(devlink); } EXPORT_SYMBOL_GPL(devlink_trap_policers_unregister); @@ -12015,9 +12015,9 @@ void devlink_compat_running_version(struct devlink *devlink, if (!devlink->ops->info_get) return; - mutex_lock(&devlink->lock); + devl_lock(devlink); __devlink_compat_running_version(devlink, buf, len); - mutex_unlock(&devlink->lock); + devl_unlock(devlink); } int devlink_compat_flash_update(struct devlink *devlink, const char *file_name) @@ -12032,11 +12032,11 @@ int devlink_compat_flash_update(struct devlink *devlink, const char *file_name) if (ret) return ret; - mutex_lock(&devlink->lock); + devl_lock(devlink); devlink_flash_update_begin_notify(devlink); ret = devlink->ops->flash_update(devlink, ¶ms, NULL); devlink_flash_update_end_notify(devlink); - mutex_unlock(&devlink->lock); + devl_unlock(devlink); release_firmware(params.fw); From 277cbb6bc4bd398133eb5327c5256482a2289fe1 Mon Sep 17 00:00:00 2001 From: Jiri Pirko Date: Tue, 12 Jul 2022 12:24:24 +0200 Subject: [PATCH 3/3] net: devlink: move unlocked function prototypes alongside the locked ones Maintain the same order as it is in devlink.c for function prototypes. The most of the locked variants would very likely soon be removed and the unlocked version would be the only one. Signed-off-by: Jiri Pirko Acked-by: Jakub Kicinski Signed-off-by: David S. Miller --- include/net/devlink.h | 16 +++++++--------- 1 file changed, 7 insertions(+), 9 deletions(-) diff --git a/include/net/devlink.h b/include/net/devlink.h index 5150deb67fab9..b1b5c19a83169 100644 --- a/include/net/devlink.h +++ b/include/net/devlink.h @@ -1521,15 +1521,6 @@ void devl_unlock(struct devlink *devlink); void devl_assert_locked(struct devlink *devlink); bool devl_lock_is_held(struct devlink *devlink); -int devl_port_register(struct devlink *devlink, - struct devlink_port *devlink_port, - unsigned int port_index); -void devl_port_unregister(struct devlink_port *devlink_port); - -int devl_rate_leaf_create(struct devlink_port *port, void *priv); -void devl_rate_leaf_destroy(struct devlink_port *devlink_port); -void devl_rate_nodes_destroy(struct devlink *devlink); - struct ib_device; struct net *devlink_net(const struct devlink *devlink); @@ -1551,9 +1542,13 @@ void devlink_set_features(struct devlink *devlink, u64 features); void devlink_register(struct devlink *devlink); void devlink_unregister(struct devlink *devlink); void devlink_free(struct devlink *devlink); +int devl_port_register(struct devlink *devlink, + struct devlink_port *devlink_port, + unsigned int port_index); int devlink_port_register(struct devlink *devlink, struct devlink_port *devlink_port, unsigned int port_index); +void devl_port_unregister(struct devlink_port *devlink_port); void devlink_port_unregister(struct devlink_port *devlink_port); void devlink_port_type_eth_set(struct devlink_port *devlink_port, struct net_device *netdev); @@ -1569,6 +1564,9 @@ void devlink_port_attrs_pci_vf_set(struct devlink_port *devlink_port, u32 contro void devlink_port_attrs_pci_sf_set(struct devlink_port *devlink_port, u32 controller, u16 pf, u32 sf, bool external); +int devl_rate_leaf_create(struct devlink_port *port, void *priv); +void devl_rate_leaf_destroy(struct devlink_port *devlink_port); +void devl_rate_nodes_destroy(struct devlink *devlink); void devlink_port_linecard_set(struct devlink_port *devlink_port, struct devlink_linecard *linecard); struct devlink_linecard *