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-rw-r--r--drivers/infiniband/core/Makefile2
-rw-r--r--drivers/infiniband/core/uverbs.h2
-rw-r--r--drivers/infiniband/core/uverbs_cmd.c88
-rw-r--r--drivers/infiniband/core/uverbs_std_types.c3
-rw-r--r--drivers/infiniband/core/uverbs_std_types_counters.c157
-rw-r--r--drivers/infiniband/core/uverbs_std_types_cq.c23
-rw-r--r--drivers/infiniband/core/uverbs_std_types_flow_action.c4
-rw-r--r--drivers/infiniband/core/verbs.c2
8 files changed, 253 insertions, 28 deletions
diff --git a/drivers/infiniband/core/Makefile b/drivers/infiniband/core/Makefile
index 8d42373a2d8a..61667705d746 100644
--- a/drivers/infiniband/core/Makefile
+++ b/drivers/infiniband/core/Makefile
@@ -37,4 +37,4 @@ ib_uverbs-y := uverbs_main.o uverbs_cmd.o uverbs_marshall.o \
rdma_core.o uverbs_std_types.o uverbs_ioctl.o \
uverbs_ioctl_merge.o uverbs_std_types_cq.o \
uverbs_std_types_flow_action.o uverbs_std_types_dm.o \
- uverbs_std_types_mr.o
+ uverbs_std_types_mr.o uverbs_std_types_counters.o
diff --git a/drivers/infiniband/core/uverbs.h b/drivers/infiniband/core/uverbs.h
index cfb51618ab7a..c0d40fc3a53a 100644
--- a/drivers/infiniband/core/uverbs.h
+++ b/drivers/infiniband/core/uverbs.h
@@ -263,6 +263,7 @@ struct ib_uverbs_flow_spec {
struct ib_uverbs_flow_spec_action_tag flow_tag;
struct ib_uverbs_flow_spec_action_drop drop;
struct ib_uverbs_flow_spec_action_handle action;
+ struct ib_uverbs_flow_spec_action_count flow_count;
};
};
@@ -287,6 +288,7 @@ extern const struct uverbs_object_def UVERBS_OBJECT(UVERBS_OBJECT_RWQ_IND_TBL);
extern const struct uverbs_object_def UVERBS_OBJECT(UVERBS_OBJECT_XRCD);
extern const struct uverbs_object_def UVERBS_OBJECT(UVERBS_OBJECT_FLOW_ACTION);
extern const struct uverbs_object_def UVERBS_OBJECT(UVERBS_OBJECT_DM);
+extern const struct uverbs_object_def UVERBS_OBJECT(UVERBS_OBJECT_COUNTERS);
#define IB_UVERBS_DECLARE_CMD(name) \
ssize_t ib_uverbs_##name(struct ib_uverbs_file *file, \
diff --git a/drivers/infiniband/core/uverbs_cmd.c b/drivers/infiniband/core/uverbs_cmd.c
index e74262ee104c..3179a95c6f5e 100644
--- a/drivers/infiniband/core/uverbs_cmd.c
+++ b/drivers/infiniband/core/uverbs_cmd.c
@@ -2748,43 +2748,82 @@ out_put:
struct ib_uflow_resources {
size_t max;
size_t num;
- struct ib_flow_action *collection[0];
+ size_t collection_num;
+ size_t counters_num;
+ struct ib_counters **counters;
+ struct ib_flow_action **collection;
};
static struct ib_uflow_resources *flow_resources_alloc(size_t num_specs)
{
struct ib_uflow_resources *resources;
- resources =
- kmalloc(sizeof(*resources) +
- num_specs * sizeof(*resources->collection), GFP_KERNEL);
+ resources = kzalloc(sizeof(*resources), GFP_KERNEL);
if (!resources)
- return NULL;
+ goto err_res;
+
+ resources->counters =
+ kcalloc(num_specs, sizeof(*resources->counters), GFP_KERNEL);
+
+ if (!resources->counters)
+ goto err_cnt;
+
+ resources->collection =
+ kcalloc(num_specs, sizeof(*resources->collection), GFP_KERNEL);
+
+ if (!resources->collection)
+ goto err_collection;
- resources->num = 0;
resources->max = num_specs;
return resources;
+
+err_collection:
+ kfree(resources->counters);
+err_cnt:
+ kfree(resources);
+err_res:
+ return NULL;
}
void ib_uverbs_flow_resources_free(struct ib_uflow_resources *uflow_res)
{
unsigned int i;
- for (i = 0; i < uflow_res->num; i++)
+ for (i = 0; i < uflow_res->collection_num; i++)
atomic_dec(&uflow_res->collection[i]->usecnt);
+ for (i = 0; i < uflow_res->counters_num; i++)
+ atomic_dec(&uflow_res->counters[i]->usecnt);
+
+ kfree(uflow_res->collection);
+ kfree(uflow_res->counters);
kfree(uflow_res);
}
static void flow_resources_add(struct ib_uflow_resources *uflow_res,
- struct ib_flow_action *action)
+ enum ib_flow_spec_type type,
+ void *ibobj)
{
WARN_ON(uflow_res->num >= uflow_res->max);
- atomic_inc(&action->usecnt);
- uflow_res->collection[uflow_res->num++] = action;
+ switch (type) {
+ case IB_FLOW_SPEC_ACTION_HANDLE:
+ atomic_inc(&((struct ib_flow_action *)ibobj)->usecnt);
+ uflow_res->collection[uflow_res->collection_num++] =
+ (struct ib_flow_action *)ibobj;
+ break;
+ case IB_FLOW_SPEC_ACTION_COUNT:
+ atomic_inc(&((struct ib_counters *)ibobj)->usecnt);
+ uflow_res->counters[uflow_res->counters_num++] =
+ (struct ib_counters *)ibobj;
+ break;
+ default:
+ WARN_ON(1);
+ }
+
+ uflow_res->num++;
}
static int kern_spec_to_ib_spec_action(struct ib_ucontext *ucontext,
@@ -2821,9 +2860,29 @@ static int kern_spec_to_ib_spec_action(struct ib_ucontext *ucontext,
return -EINVAL;
ib_spec->action.size =
sizeof(struct ib_flow_spec_action_handle);
- flow_resources_add(uflow_res, ib_spec->action.act);
+ flow_resources_add(uflow_res,
+ IB_FLOW_SPEC_ACTION_HANDLE,
+ ib_spec->action.act);
uobj_put_obj_read(ib_spec->action.act);
break;
+ case IB_FLOW_SPEC_ACTION_COUNT:
+ if (kern_spec->flow_count.size !=
+ sizeof(struct ib_uverbs_flow_spec_action_count))
+ return -EINVAL;
+ ib_spec->flow_count.counters =
+ uobj_get_obj_read(counters,
+ UVERBS_OBJECT_COUNTERS,
+ kern_spec->flow_count.handle,
+ ucontext);
+ if (!ib_spec->flow_count.counters)
+ return -EINVAL;
+ ib_spec->flow_count.size =
+ sizeof(struct ib_flow_spec_action_count);
+ flow_resources_add(uflow_res,
+ IB_FLOW_SPEC_ACTION_COUNT,
+ ib_spec->flow_count.counters);
+ uobj_put_obj_read(ib_spec->flow_count.counters);
+ break;
default:
return -EINVAL;
}
@@ -3542,11 +3601,16 @@ int ib_uverbs_ex_create_flow(struct ib_uverbs_file *file,
err = -EINVAL;
goto err_free;
}
- flow_id = ib_create_flow(qp, flow_attr, IB_FLOW_DOMAIN_USER);
+
+ flow_id = qp->device->create_flow(qp, flow_attr,
+ IB_FLOW_DOMAIN_USER, uhw);
+
if (IS_ERR(flow_id)) {
err = PTR_ERR(flow_id);
goto err_free;
}
+ atomic_inc(&qp->usecnt);
+ flow_id->qp = qp;
flow_id->uobject = uobj;
uobj->object = flow_id;
uflow = container_of(uobj, typeof(*uflow), uobject);
diff --git a/drivers/infiniband/core/uverbs_std_types.c b/drivers/infiniband/core/uverbs_std_types.c
index 569f48bd821e..b570acbd94af 100644
--- a/drivers/infiniband/core/uverbs_std_types.c
+++ b/drivers/infiniband/core/uverbs_std_types.c
@@ -302,7 +302,8 @@ static DECLARE_UVERBS_OBJECT_TREE(uverbs_default_objects,
&UVERBS_OBJECT(UVERBS_OBJECT_RWQ_IND_TBL),
&UVERBS_OBJECT(UVERBS_OBJECT_XRCD),
&UVERBS_OBJECT(UVERBS_OBJECT_FLOW_ACTION),
- &UVERBS_OBJECT(UVERBS_OBJECT_DM));
+ &UVERBS_OBJECT(UVERBS_OBJECT_DM),
+ &UVERBS_OBJECT(UVERBS_OBJECT_COUNTERS));
const struct uverbs_object_tree_def *uverbs_default_get_objects(void)
{
diff --git a/drivers/infiniband/core/uverbs_std_types_counters.c b/drivers/infiniband/core/uverbs_std_types_counters.c
new file mode 100644
index 000000000000..03b182a684a6
--- /dev/null
+++ b/drivers/infiniband/core/uverbs_std_types_counters.c
@@ -0,0 +1,157 @@
+// SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB
+/*
+ * Copyright (c) 2018, Mellanox Technologies inc. All rights reserved.
+ *
+ * This software is available to you under a choice of one of two
+ * licenses. You may choose to be licensed under the terms of the GNU
+ * General Public License (GPL) Version 2, available from the file
+ * COPYING in the main directory of this source tree, or the
+ * OpenIB.org BSD license below:
+ *
+ * Redistribution and use in source and binary forms, with or
+ * without modification, are permitted provided that the following
+ * conditions are met:
+ *
+ * - Redistributions of source code must retain the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer.
+ *
+ * - Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials
+ * provided with the distribution.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#include "uverbs.h"
+#include <rdma/uverbs_std_types.h>
+
+static int uverbs_free_counters(struct ib_uobject *uobject,
+ enum rdma_remove_reason why)
+{
+ struct ib_counters *counters = uobject->object;
+
+ if (why == RDMA_REMOVE_DESTROY &&
+ atomic_read(&counters->usecnt))
+ return -EBUSY;
+
+ return counters->device->destroy_counters(counters);
+}
+
+static int UVERBS_HANDLER(UVERBS_METHOD_COUNTERS_CREATE)(struct ib_device *ib_dev,
+ struct ib_uverbs_file *file,
+ struct uverbs_attr_bundle *attrs)
+{
+ struct ib_counters *counters;
+ struct ib_uobject *uobj;
+ int ret;
+
+ /*
+ * This check should be removed once the infrastructure
+ * have the ability to remove methods from parse tree once
+ * such condition is met.
+ */
+ if (!ib_dev->create_counters)
+ return -EOPNOTSUPP;
+
+ uobj = uverbs_attr_get_uobject(attrs, UVERBS_ATTR_CREATE_COUNTERS_HANDLE);
+ counters = ib_dev->create_counters(ib_dev, attrs);
+ if (IS_ERR(counters)) {
+ ret = PTR_ERR(counters);
+ goto err_create_counters;
+ }
+
+ counters->device = ib_dev;
+ counters->uobject = uobj;
+ uobj->object = counters;
+ atomic_set(&counters->usecnt, 0);
+
+ return 0;
+
+err_create_counters:
+ return ret;
+}
+
+static int UVERBS_HANDLER(UVERBS_METHOD_COUNTERS_READ)(struct ib_device *ib_dev,
+ struct ib_uverbs_file *file,
+ struct uverbs_attr_bundle *attrs)
+{
+ struct ib_counters_read_attr read_attr = {};
+ const struct uverbs_attr *uattr;
+ struct ib_counters *counters =
+ uverbs_attr_get_obj(attrs, UVERBS_ATTR_READ_COUNTERS_HANDLE);
+ int ret;
+
+ if (!ib_dev->read_counters)
+ return -EOPNOTSUPP;
+
+ if (!atomic_read(&counters->usecnt))
+ return -EINVAL;
+
+ ret = uverbs_copy_from(&read_attr.flags, attrs,
+ UVERBS_ATTR_READ_COUNTERS_FLAGS);
+ if (ret)
+ return ret;
+
+ uattr = uverbs_attr_get(attrs, UVERBS_ATTR_READ_COUNTERS_BUFF);
+ read_attr.ncounters = uattr->ptr_attr.len / sizeof(u64);
+ read_attr.counters_buff = kcalloc(read_attr.ncounters,
+ sizeof(u64), GFP_KERNEL);
+ if (!read_attr.counters_buff)
+ return -ENOMEM;
+
+ ret = ib_dev->read_counters(counters,
+ &read_attr,
+ attrs);
+ if (ret)
+ goto err_read;
+
+ ret = uverbs_copy_to(attrs, UVERBS_ATTR_READ_COUNTERS_BUFF,
+ read_attr.counters_buff,
+ read_attr.ncounters * sizeof(u64));
+
+err_read:
+ kfree(read_attr.counters_buff);
+ return ret;
+}
+
+static DECLARE_UVERBS_NAMED_METHOD(UVERBS_METHOD_COUNTERS_CREATE,
+ &UVERBS_ATTR_IDR(UVERBS_ATTR_CREATE_COUNTERS_HANDLE,
+ UVERBS_OBJECT_COUNTERS,
+ UVERBS_ACCESS_NEW,
+ UA_FLAGS(UVERBS_ATTR_SPEC_F_MANDATORY)));
+
+static DECLARE_UVERBS_NAMED_METHOD_WITH_HANDLER(UVERBS_METHOD_COUNTERS_DESTROY,
+ uverbs_destroy_def_handler,
+ &UVERBS_ATTR_IDR(UVERBS_ATTR_DESTROY_COUNTERS_HANDLE,
+ UVERBS_OBJECT_COUNTERS,
+ UVERBS_ACCESS_DESTROY,
+ UA_FLAGS(UVERBS_ATTR_SPEC_F_MANDATORY)));
+
+#define MAX_COUNTERS_BUFF_SIZE USHRT_MAX
+static DECLARE_UVERBS_NAMED_METHOD(UVERBS_METHOD_COUNTERS_READ,
+ &UVERBS_ATTR_IDR(UVERBS_ATTR_READ_COUNTERS_HANDLE,
+ UVERBS_OBJECT_COUNTERS,
+ UVERBS_ACCESS_READ,
+ UA_FLAGS(UVERBS_ATTR_SPEC_F_MANDATORY)),
+ &UVERBS_ATTR_PTR_OUT(UVERBS_ATTR_READ_COUNTERS_BUFF,
+ UVERBS_ATTR_SIZE(0, MAX_COUNTERS_BUFF_SIZE),
+ UA_FLAGS(UVERBS_ATTR_SPEC_F_MANDATORY)),
+ &UVERBS_ATTR_PTR_IN(UVERBS_ATTR_READ_COUNTERS_FLAGS,
+ UVERBS_ATTR_TYPE(__u32),
+ UA_FLAGS(UVERBS_ATTR_SPEC_F_MANDATORY)));
+
+DECLARE_UVERBS_NAMED_OBJECT(UVERBS_OBJECT_COUNTERS,
+ &UVERBS_TYPE_ALLOC_IDR(0, uverbs_free_counters),
+ &UVERBS_METHOD(UVERBS_METHOD_COUNTERS_CREATE),
+ &UVERBS_METHOD(UVERBS_METHOD_COUNTERS_DESTROY),
+ &UVERBS_METHOD(UVERBS_METHOD_COUNTERS_READ));
+
diff --git a/drivers/infiniband/core/uverbs_std_types_cq.c b/drivers/infiniband/core/uverbs_std_types_cq.c
index b0dbae9dd0d7..3d293d01afea 100644
--- a/drivers/infiniband/core/uverbs_std_types_cq.c
+++ b/drivers/infiniband/core/uverbs_std_types_cq.c
@@ -65,7 +65,6 @@ static int UVERBS_HANDLER(UVERBS_METHOD_CQ_CREATE)(struct ib_device *ib_dev,
struct ib_cq_init_attr attr = {};
struct ib_cq *cq;
struct ib_uverbs_completion_event_file *ev_file = NULL;
- const struct uverbs_attr *ev_file_attr;
struct ib_uobject *ev_file_uobj;
if (!(ib_dev->uverbs_cmd_mask & 1ULL << IB_USER_VERBS_CMD_CREATE_CQ))
@@ -87,10 +86,8 @@ static int UVERBS_HANDLER(UVERBS_METHOD_CQ_CREATE)(struct ib_device *ib_dev,
UVERBS_ATTR_CREATE_CQ_FLAGS)))
return -EFAULT;
- ev_file_attr = uverbs_attr_get(attrs, UVERBS_ATTR_CREATE_CQ_COMP_CHANNEL);
- if (!IS_ERR(ev_file_attr)) {
- ev_file_uobj = ev_file_attr->obj_attr.uobject;
-
+ ev_file_uobj = uverbs_attr_get_uobject(attrs, UVERBS_ATTR_CREATE_CQ_COMP_CHANNEL);
+ if (!IS_ERR(ev_file_uobj)) {
ev_file = container_of(ev_file_uobj,
struct ib_uverbs_completion_event_file,
uobj_file.uobj);
@@ -102,8 +99,8 @@ static int UVERBS_HANDLER(UVERBS_METHOD_CQ_CREATE)(struct ib_device *ib_dev,
goto err_event_file;
}
- obj = container_of(uverbs_attr_get(attrs,
- UVERBS_ATTR_CREATE_CQ_HANDLE)->obj_attr.uobject,
+ obj = container_of(uverbs_attr_get_uobject(attrs,
+ UVERBS_ATTR_CREATE_CQ_HANDLE),
typeof(*obj), uobject);
obj->uverbs_file = ucontext->ufile;
obj->comp_events_reported = 0;
@@ -170,13 +167,17 @@ static int UVERBS_HANDLER(UVERBS_METHOD_CQ_DESTROY)(struct ib_device *ib_dev,
struct ib_uverbs_file *file,
struct uverbs_attr_bundle *attrs)
{
- struct ib_uverbs_destroy_cq_resp resp;
struct ib_uobject *uobj =
- uverbs_attr_get(attrs, UVERBS_ATTR_DESTROY_CQ_HANDLE)->obj_attr.uobject;
- struct ib_ucq_object *obj = container_of(uobj, struct ib_ucq_object,
- uobject);
+ uverbs_attr_get_uobject(attrs, UVERBS_ATTR_DESTROY_CQ_HANDLE);
+ struct ib_uverbs_destroy_cq_resp resp;
+ struct ib_ucq_object *obj;
int ret;
+ if (IS_ERR(uobj))
+ return PTR_ERR(uobj);
+
+ obj = container_of(uobj, struct ib_ucq_object, uobject);
+
if (!(ib_dev->uverbs_cmd_mask & 1ULL << IB_USER_VERBS_CMD_DESTROY_CQ))
return -EOPNOTSUPP;
diff --git a/drivers/infiniband/core/uverbs_std_types_flow_action.c b/drivers/infiniband/core/uverbs_std_types_flow_action.c
index b4f016dfa23d..a7be51cf2e42 100644
--- a/drivers/infiniband/core/uverbs_std_types_flow_action.c
+++ b/drivers/infiniband/core/uverbs_std_types_flow_action.c
@@ -320,7 +320,7 @@ static int UVERBS_HANDLER(UVERBS_METHOD_FLOW_ACTION_ESP_CREATE)(struct ib_device
return ret;
/* No need to check as this attribute is marked as MANDATORY */
- uobj = uverbs_attr_get(attrs, UVERBS_ATTR_FLOW_ACTION_ESP_HANDLE)->obj_attr.uobject;
+ uobj = uverbs_attr_get_uobject(attrs, UVERBS_ATTR_FLOW_ACTION_ESP_HANDLE);
action = ib_dev->create_flow_action_esp(ib_dev, &esp_attr.hdr, attrs);
if (IS_ERR(action))
return PTR_ERR(action);
@@ -350,7 +350,7 @@ static int UVERBS_HANDLER(UVERBS_METHOD_FLOW_ACTION_ESP_MODIFY)(struct ib_device
if (ret)
return ret;
- uobj = uverbs_attr_get(attrs, UVERBS_ATTR_FLOW_ACTION_ESP_HANDLE)->obj_attr.uobject;
+ uobj = uverbs_attr_get_uobject(attrs, UVERBS_ATTR_FLOW_ACTION_ESP_HANDLE);
action = uobj->object;
if (action->type != IB_FLOW_ACTION_ESP)
diff --git a/drivers/infiniband/core/verbs.c b/drivers/infiniband/core/verbs.c
index 6ddfb1fade79..0b56828c1319 100644
--- a/drivers/infiniband/core/verbs.c
+++ b/drivers/infiniband/core/verbs.c
@@ -1983,7 +1983,7 @@ struct ib_flow *ib_create_flow(struct ib_qp *qp,
if (!qp->device->create_flow)
return ERR_PTR(-EOPNOTSUPP);
- flow_id = qp->device->create_flow(qp, flow_attr, domain);
+ flow_id = qp->device->create_flow(qp, flow_attr, domain, NULL);
if (!IS_ERR(flow_id)) {
atomic_inc(&qp->usecnt);
flow_id->qp = qp;
generated by cgit v1.2.3 (git 2.39.1) at 2024-10-02 20:10:11 +0000