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-rw-r--r--drivers/infiniband/hw/usnic/usnic_ib_qp_grp.h109
1 files changed, 109 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/usnic/usnic_ib_qp_grp.h b/drivers/infiniband/hw/usnic/usnic_ib_qp_grp.h
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index 000000000..62e732be6
--- /dev/null
+++ b/drivers/infiniband/hw/usnic/usnic_ib_qp_grp.h
@@ -0,0 +1,109 @@
+/*
+ * Copyright (c) 2013, Cisco Systems, 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
+ * 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.
+ *
+ */
+
+#ifndef USNIC_IB_QP_GRP_H_
+#define USNIC_IB_QP_GRP_H_
+
+#include <linux/debugfs.h>
+#include <rdma/ib_verbs.h>
+
+#include "usnic_ib.h"
+#include "usnic_abi.h"
+#include "usnic_fwd.h"
+#include "usnic_vnic.h"
+
+/*
+ * The qp group struct represents all the hw resources needed to present a ib_qp
+ */
+struct usnic_ib_qp_grp {
+ struct ib_qp ibqp;
+ enum ib_qp_state state;
+ int grp_id;
+
+ struct usnic_fwd_dev *ufdev;
+ struct usnic_ib_ucontext *ctx;
+ struct list_head flows_lst;
+
+ struct usnic_vnic_res_chunk **res_chunk_list;
+
+ pid_t owner_pid;
+ struct usnic_ib_vf *vf;
+ struct list_head link;
+
+ spinlock_t lock;
+
+ struct kobject kobj;
+};
+
+struct usnic_ib_qp_grp_flow {
+ struct usnic_fwd_flow *flow;
+ enum usnic_transport_type trans_type;
+ union {
+ struct {
+ uint16_t port_num;
+ } usnic_roce;
+ struct {
+ struct socket *sock;
+ } udp;
+ };
+ struct usnic_ib_qp_grp *qp_grp;
+ struct list_head link;
+
+ /* Debug FS */
+ struct dentry *dbgfs_dentry;
+ char dentry_name[32];
+};
+
+extern const struct usnic_vnic_res_spec min_transport_spec[USNIC_TRANSPORT_MAX];
+
+const char *usnic_ib_qp_grp_state_to_string(enum ib_qp_state state);
+int usnic_ib_qp_grp_dump_hdr(char *buf, int buf_sz);
+int usnic_ib_qp_grp_dump_rows(void *obj, char *buf, int buf_sz);
+int usnic_ib_qp_grp_create(struct usnic_ib_qp_grp *qp,
+ struct usnic_fwd_dev *ufdev, struct usnic_ib_vf *vf,
+ struct usnic_ib_pd *pd,
+ struct usnic_vnic_res_spec *res_spec,
+ struct usnic_transport_spec *trans_spec);
+void usnic_ib_qp_grp_destroy(struct usnic_ib_qp_grp *qp_grp);
+int usnic_ib_qp_grp_modify(struct usnic_ib_qp_grp *qp_grp,
+ enum ib_qp_state new_state,
+ void *data);
+struct usnic_vnic_res_chunk
+*usnic_ib_qp_grp_get_chunk(struct usnic_ib_qp_grp *qp_grp,
+ enum usnic_vnic_res_type type);
+static inline
+struct usnic_ib_qp_grp *to_uqp_grp(struct ib_qp *ibqp)
+{
+ return container_of(ibqp, struct usnic_ib_qp_grp, ibqp);
+}
+#endif /* USNIC_IB_QP_GRP_H_ */