context.h

 1/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */
 2/* Copyright (c) 2024 NVIDIA Corporation & Affiliates */
 3
 4#ifndef HWS_CONTEXT_H_
 5#define HWS_CONTEXT_H_
 6
 7enum mlx5hws_context_flags {
 8	MLX5HWS_CONTEXT_FLAG_HWS_SUPPORT = 1 << 0,
 9	MLX5HWS_CONTEXT_FLAG_PRIVATE_PD = 1 << 1,
10	MLX5HWS_CONTEXT_FLAG_BWC_SUPPORT = 1 << 2,
11	MLX5HWS_CONTEXT_FLAG_NATIVE_SUPPORT = 1 << 3,
12};
13
14enum mlx5hws_context_shared_stc_type {
15	MLX5HWS_CONTEXT_SHARED_STC_DECAP_L3 = 0,
16	MLX5HWS_CONTEXT_SHARED_STC_DOUBLE_POP = 1,
17	MLX5HWS_CONTEXT_SHARED_STC_MAX = 2,
18};
19
20struct mlx5hws_context_common_res {
21	struct mlx5hws_action_default_stc *default_stc;
22	struct mlx5hws_action_shared_stc *shared_stc[MLX5HWS_CONTEXT_SHARED_STC_MAX];
23	struct mlx5hws_cmd_forward_tbl *default_miss;
24};
25
26struct mlx5hws_context_debug_info {
27	struct dentry *steering_debugfs;
28	struct dentry *fdb_debugfs;
29};
30
31struct mlx5hws_context_vports {
32	u16 esw_manager_gvmi;
33	u16 uplink_gvmi;
34	struct xarray vport_gvmi_xa;
35};
36
37struct mlx5hws_context {
38	struct mlx5_core_dev *mdev;
39	struct mlx5hws_cmd_query_caps *caps;
40	u32 pd_num;
41	struct mlx5hws_pool *stc_pool;
42	struct mlx5hws_action_ste_pool *action_ste_pool; /* One per queue */
43	struct delayed_work action_ste_cleanup;
44	struct mlx5hws_context_common_res common_res;
45	struct mlx5hws_pattern_cache *pattern_cache;
46	struct mlx5hws_definer_cache *definer_cache;
47	struct mutex ctrl_lock; /* control lock to protect the whole context */
48	enum mlx5hws_context_flags flags;
49	struct mlx5hws_send_engine *send_queue;
50	size_t queues;
51	struct mutex *bwc_send_queue_locks; /* protect BWC queues */
52	struct lock_class_key *bwc_lock_class_keys;
53	struct list_head tbl_list;
54	struct mlx5hws_context_debug_info debug_info;
55	struct xarray peer_ctx_xa;
56	struct mlx5hws_context_vports vports;
57};
58
59static inline bool mlx5hws_context_bwc_supported(struct mlx5hws_context *ctx)
60{
61	return ctx->flags & MLX5HWS_CONTEXT_FLAG_BWC_SUPPORT;
62}
63
64static inline bool mlx5hws_context_native_supported(struct mlx5hws_context *ctx)
65{
66	return ctx->flags & MLX5HWS_CONTEXT_FLAG_NATIVE_SUPPORT;
67}
68
69bool mlx5hws_context_cap_dynamic_reparse(struct mlx5hws_context *ctx);
70
71u8 mlx5hws_context_get_reparse_mode(struct mlx5hws_context *ctx);
72
73#endif /* HWS_CONTEXT_H_ */