Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / drivers / infiniband / hw / usnic / usnic_ib_qp_grp.h

diff --git a/kernel/drivers/infiniband/hw/usnic/usnic_ib_qp_grp.h b/kernel/drivers/infiniband/hw/usnic/usnic_ib_qp_grp.h
new file mode 100644 (file)
index 0000000..b0aafe8
--- /dev/null
+++ b/kernel/drivers/infiniband/hw/usnic/usnic_ib_qp_grp.h
@@ -0,0 +1,117 @@
+/*
+ * Copyright (c) 2013, Cisco Systems, Inc. All rights reserved.
+ *
+ * This program is free software; you may redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * 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];
+};
+
+static const struct
+usnic_vnic_res_spec min_transport_spec[USNIC_TRANSPORT_MAX] = {
+       { /*USNIC_TRANSPORT_UNKNOWN*/
+               .resources = {
+                       {.type = USNIC_VNIC_RES_TYPE_EOL,       .cnt = 0,},
+               },
+       },
+       { /*USNIC_TRANSPORT_ROCE_CUSTOM*/
+               .resources = {
+                       {.type = USNIC_VNIC_RES_TYPE_WQ,        .cnt = 1,},
+                       {.type = USNIC_VNIC_RES_TYPE_RQ,        .cnt = 1,},
+                       {.type = USNIC_VNIC_RES_TYPE_CQ,        .cnt = 1,},
+                       {.type = USNIC_VNIC_RES_TYPE_EOL,       .cnt = 0,},
+               },
+       },
+       { /*USNIC_TRANSPORT_IPV4_UDP*/
+               .resources = {
+                       {.type = USNIC_VNIC_RES_TYPE_WQ,        .cnt = 1,},
+                       {.type = USNIC_VNIC_RES_TYPE_RQ,        .cnt = 1,},
+                       {.type = USNIC_VNIC_RES_TYPE_CQ,        .cnt = 1,},
+                       {.type = USNIC_VNIC_RES_TYPE_EOL,       .cnt = 0,},
+               },
+       },
+};
+
+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);
+struct usnic_ib_qp_grp *
+usnic_ib_qp_grp_create(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_ */