1 /* SPDX-License-Identifier: GPL-2.0 OR Linux-O 1 /* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */
2 /* Copyright (c) 2018 Mellanox Technologies. * 2 /* Copyright (c) 2018 Mellanox Technologies. */
3 3
4 #ifndef MLX5_CORE_EQ_H 4 #ifndef MLX5_CORE_EQ_H
5 #define MLX5_CORE_EQ_H 5 #define MLX5_CORE_EQ_H
6 6
>> 7 #define MLX5_IRQ_VEC_COMP_BASE 1
7 #define MLX5_NUM_CMD_EQE (32) 8 #define MLX5_NUM_CMD_EQE (32)
8 #define MLX5_NUM_ASYNC_EQE (0x1000) 9 #define MLX5_NUM_ASYNC_EQE (0x1000)
9 #define MLX5_NUM_SPARE_EQE (0x80) 10 #define MLX5_NUM_SPARE_EQE (0x80)
10 11
11 struct mlx5_eq; 12 struct mlx5_eq;
12 struct mlx5_irq; <<
13 struct mlx5_core_dev; 13 struct mlx5_core_dev;
14 14
15 struct mlx5_eq_param { 15 struct mlx5_eq_param {
>> 16 u8 irq_index;
16 int nent; 17 int nent;
17 u64 mask[4]; 18 u64 mask[4];
18 struct mlx5_irq *irq; !! 19 cpumask_var_t affinity;
19 }; 20 };
20 21
21 struct mlx5_eq * 22 struct mlx5_eq *
22 mlx5_eq_create_generic(struct mlx5_core_dev *d 23 mlx5_eq_create_generic(struct mlx5_core_dev *dev, struct mlx5_eq_param *param);
23 int 24 int
24 mlx5_eq_destroy_generic(struct mlx5_core_dev * 25 mlx5_eq_destroy_generic(struct mlx5_core_dev *dev, struct mlx5_eq *eq);
25 int mlx5_eq_enable(struct mlx5_core_dev *dev, 26 int mlx5_eq_enable(struct mlx5_core_dev *dev, struct mlx5_eq *eq,
26 struct notifier_block *nb); 27 struct notifier_block *nb);
27 void mlx5_eq_disable(struct mlx5_core_dev *dev 28 void mlx5_eq_disable(struct mlx5_core_dev *dev, struct mlx5_eq *eq,
28 struct notifier_block *nb 29 struct notifier_block *nb);
29 30
30 struct mlx5_eqe *mlx5_eq_get_eqe(struct mlx5_e 31 struct mlx5_eqe *mlx5_eq_get_eqe(struct mlx5_eq *eq, u32 cc);
31 void mlx5_eq_update_ci(struct mlx5_eq *eq, u32 32 void mlx5_eq_update_ci(struct mlx5_eq *eq, u32 cc, bool arm);
32 33
33 /* The HCA will think the queue has overflowed 34 /* The HCA will think the queue has overflowed if we
34 * don't tell it we've been processing events. 35 * don't tell it we've been processing events. We
35 * create EQs with MLX5_NUM_SPARE_EQE extra en 36 * create EQs with MLX5_NUM_SPARE_EQE extra entries,
36 * so we must update our consumer index at 37 * so we must update our consumer index at
37 * least that often. 38 * least that often.
38 * 39 *
39 * mlx5_eq_update_cc must be called on every E 40 * mlx5_eq_update_cc must be called on every EQE @EQ irq handler
40 */ 41 */
41 static inline u32 mlx5_eq_update_cc(struct mlx 42 static inline u32 mlx5_eq_update_cc(struct mlx5_eq *eq, u32 cc)
42 { 43 {
43 if (unlikely(cc >= MLX5_NUM_SPARE_EQE) 44 if (unlikely(cc >= MLX5_NUM_SPARE_EQE)) {
44 mlx5_eq_update_ci(eq, cc, 0); 45 mlx5_eq_update_ci(eq, cc, 0);
45 cc = 0; 46 cc = 0;
46 } 47 }
47 return cc; 48 return cc;
48 } 49 }
49 50
50 struct mlx5_nb { 51 struct mlx5_nb {
51 struct notifier_block nb; 52 struct notifier_block nb;
52 u8 event_type; 53 u8 event_type;
53 }; 54 };
54 55
55 #define mlx5_nb_cof(ptr, type, member) \ 56 #define mlx5_nb_cof(ptr, type, member) \
56 (container_of(container_of(ptr, struct 57 (container_of(container_of(ptr, struct mlx5_nb, nb), type, member))
57 58
58 #define MLX5_NB_INIT(name, handler, event) do 59 #define MLX5_NB_INIT(name, handler, event) do { \
59 (name)->nb.notifier_call = handler; 60 (name)->nb.notifier_call = handler; \
60 (name)->event_type = MLX5_EVENT_TYPE_# 61 (name)->event_type = MLX5_EVENT_TYPE_##event; \
61 } while (0) 62 } while (0)
62 63
63 #endif /* MLX5_CORE_EQ_H */ 64 #endif /* MLX5_CORE_EQ_H */
64 65
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