| /* |
| * 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]; |
| }; |
| |
| 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_ */ |