diff options
Diffstat (limited to 'include/linux/mlx5/cq.h')
| -rw-r--r-- | include/linux/mlx5/cq.h | 89 |
1 files changed, 66 insertions, 23 deletions
diff --git a/include/linux/mlx5/cq.h b/include/linux/mlx5/cq.h index 3db67f73d96d..9d47cdc727ad 100644 --- a/include/linux/mlx5/cq.h +++ b/include/linux/mlx5/cq.h @@ -1,5 +1,5 @@ /* - * Copyright (c) 2013, Mellanox Technologies inc. All rights reserved. + * Copyright (c) 2013-2015, Mellanox Technologies. 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 @@ -33,26 +33,33 @@ #ifndef MLX5_CORE_CQ_H #define MLX5_CORE_CQ_H -#include <rdma/ib_verbs.h> #include <linux/mlx5/driver.h> - +#include <linux/refcount.h> struct mlx5_core_cq { u32 cqn; int cqe_sz; __be32 *set_ci_db; __be32 *arm_db; - atomic_t refcount; + refcount_t refcount; struct completion free; unsigned vector; - int irqn; - void (*comp) (struct mlx5_core_cq *); + unsigned int irqn; + void (*comp)(struct mlx5_core_cq *cq, struct mlx5_eqe *eqe); void (*event) (struct mlx5_core_cq *, enum mlx5_event); - struct mlx5_uar *uar; u32 cons_index; unsigned arm_sn; struct mlx5_rsc_debug *dbg; int pid; + struct { + struct list_head list; + void (*comp)(struct mlx5_core_cq *cq, struct mlx5_eqe *eqe); + void *priv; + } tasklet_ctx; + int reset_notify_added; + struct list_head reset_notify; + struct mlx5_eq_comp *eq; + u16 uid; }; @@ -79,15 +86,25 @@ enum { MLX5_CQE_RESP_SEND = 2, MLX5_CQE_RESP_SEND_IMM = 3, MLX5_CQE_RESP_SEND_INV = 4, - MLX5_CQE_RESIZE_CQ = 0xff, /* TBD */ + MLX5_CQE_RESIZE_CQ = 5, + MLX5_CQE_SIG_ERR = 12, MLX5_CQE_REQ_ERR = 13, MLX5_CQE_RESP_ERR = 14, + MLX5_CQE_INVALID = 15, +}; + +enum { + MLX5_CQ_MODIFY_PERIOD = BIT(0), + MLX5_CQ_MODIFY_COUNT = BIT(1), + MLX5_CQ_MODIFY_OVERRUN = BIT(2), + MLX5_CQ_MODIFY_PERIOD_MODE = BIT(4), }; enum { - MLX5_CQ_MODIFY_RESEIZE = 0, - MLX5_CQ_MODIFY_MODER = 1, - MLX5_CQ_MODIFY_MAPPING = 2, + MLX5_CQ_OPMOD_RESIZE = 1, + MLX5_MODIFY_CQ_MASK_LOG_SIZE = 1 << 0, + MLX5_MODIFY_CQ_MASK_PG_OFFSET = 1 << 1, + MLX5_MODIFY_CQ_MASK_PG_SIZE = 1 << 2, }; struct mlx5_cq_modify_params { @@ -107,13 +124,18 @@ struct mlx5_cq_modify_params { }; enum { - CQE_SIZE_64 = 0, - CQE_SIZE_128 = 1, + CQE_STRIDE_64 = 0, + CQE_STRIDE_128 = 1, + CQE_STRIDE_128_PAD = 2, }; -static inline int cqe_sz_to_mlx_sz(u8 size) +#define MLX5_MAX_CQ_PERIOD (BIT(__mlx5_bit_sz(cqc, cq_period)) - 1) +#define MLX5_MAX_CQ_COUNT (BIT(__mlx5_bit_sz(cqc, cq_max_count)) - 1) + +static inline int cqe_sz_to_mlx_sz(u8 size, int padding_128_en) { - return size == 64 ? CQE_SIZE_64 : CQE_SIZE_128; + return padding_128_en ? CQE_STRIDE_128_PAD : + size == 64 ? CQE_STRIDE_64 : CQE_STRIDE_128; } static inline void mlx5_cq_set_ci(struct mlx5_core_cq *cq) @@ -128,14 +150,14 @@ enum { static inline void mlx5_cq_arm(struct mlx5_core_cq *cq, u32 cmd, void __iomem *uar_page, - spinlock_t *doorbell_lock) + u32 cons_index) { __be32 doorbell[2]; u32 sn; u32 ci; sn = cq->arm_sn & 3; - ci = cq->cons_index & 0xffffff; + ci = cons_index & 0xffffff; *cq->arm_db = cpu_to_be32(sn << 28 | cmd | ci); @@ -147,18 +169,39 @@ static inline void mlx5_cq_arm(struct mlx5_core_cq *cq, u32 cmd, doorbell[0] = cpu_to_be32(sn << 28 | cmd | ci); doorbell[1] = cpu_to_be32(cq->cqn); - mlx5_write64(doorbell, uar_page + MLX5_CQ_DOORBELL, doorbell_lock); + mlx5_write64(doorbell, uar_page + MLX5_CQ_DOORBELL); } -int mlx5_init_cq_table(struct mlx5_core_dev *dev); -void mlx5_cleanup_cq_table(struct mlx5_core_dev *dev); +static inline void mlx5_cq_hold(struct mlx5_core_cq *cq) +{ + refcount_inc(&cq->refcount); +} + +static inline void mlx5_cq_put(struct mlx5_core_cq *cq) +{ + if (refcount_dec_and_test(&cq->refcount)) + complete(&cq->free); +} + +void mlx5_add_cq_to_tasklet(struct mlx5_core_cq *cq, struct mlx5_eqe *eqe); +int mlx5_create_cq(struct mlx5_core_dev *dev, struct mlx5_core_cq *cq, + u32 *in, int inlen, u32 *out, int outlen); int mlx5_core_create_cq(struct mlx5_core_dev *dev, struct mlx5_core_cq *cq, - struct mlx5_create_cq_mbox_in *in, int inlen); + u32 *in, int inlen, u32 *out, int outlen); int mlx5_core_destroy_cq(struct mlx5_core_dev *dev, struct mlx5_core_cq *cq); int mlx5_core_query_cq(struct mlx5_core_dev *dev, struct mlx5_core_cq *cq, - struct mlx5_query_cq_mbox_out *out); + u32 *out); int mlx5_core_modify_cq(struct mlx5_core_dev *dev, struct mlx5_core_cq *cq, - int type, struct mlx5_cq_modify_params *params); + u32 *in, int inlen); +int mlx5_core_modify_cq_moderation(struct mlx5_core_dev *dev, + struct mlx5_core_cq *cq, u16 cq_period, + u16 cq_max_count); +static inline void mlx5_dump_err_cqe(struct mlx5_core_dev *dev, + struct mlx5_err_cqe *err_cqe) +{ + print_hex_dump(KERN_WARNING, "", DUMP_PREFIX_OFFSET, 16, 1, err_cqe, + sizeof(*err_cqe), false); +} int mlx5_debug_cq_add(struct mlx5_core_dev *dev, struct mlx5_core_cq *cq); void mlx5_debug_cq_remove(struct mlx5_core_dev *dev, struct mlx5_core_cq *cq); |