diff options
Diffstat (limited to 'src/plugins/dev_ena/ena.h')
| -rw-r--r-- | src/plugins/dev_ena/ena.h | 234 |
1 files changed, 234 insertions, 0 deletions
diff --git a/src/plugins/dev_ena/ena.h b/src/plugins/dev_ena/ena.h new file mode 100644 index 00000000000..4acb8d9625a --- /dev/null +++ b/src/plugins/dev_ena/ena.h @@ -0,0 +1,234 @@ +/* SPDX-License-Identifier: Apache-2.0 + * Copyright (c) 2023 Cisco Systems, Inc. + */ + +#ifndef _ENA_H_ +#define _ENA_H_ + +#include <vppinfra/clib.h> +#include <vppinfra/error_bootstrap.h> +#include <vppinfra/format.h> +#include <vnet/vnet.h> +#include <vnet/dev/types.h> +#include <dev_ena/ena_defs.h> + +#define ENA_ADMIN_QUEUE_LOG2_DEPTH 2 +#define ENA_ASYNC_QUEUE_LOG2_DEPTH 5 +#define ENA_ADMIN_QUEUE_DEPTH (1 << ENA_ADMIN_QUEUE_LOG2_DEPTH) +#define ENA_ASYNC_QUEUE_DEPTH (1 << ENA_ASYNC_QUEUE_LOG2_DEPTH) + +typedef struct +{ + u8 readless : 1; + u8 aq_started : 1; + u8 aenq_started : 1; + u8 llq : 1; + + void *reg_bar; + + /* mmio */ + ena_mmio_resp_t *mmio_resp; + + /* admin queue */ + struct + { + ena_aq_sq_entry_t *sq_entries; + ena_aq_cq_entry_t *cq_entries; + u16 sq_next; + u16 cq_head; + u16 depth; + } aq; + + /* host info */ + ena_aq_host_info_t *host_info; + + /* device info */ + ena_aq_feat_device_attr_t dev_attr; + + /* async event notification */ + struct + { + ena_aenq_entry_t *entries; + u16 head; + u16 depth; + f64 last_keepalive; + u64 tx_drops, tx_drops0; + u64 rx_drops, rx_drops0; + } aenq; + +} ena_device_t; + +typedef struct +{ +} ena_port_t; + +typedef struct +{ + u32 *buffer_indices; + u16 *compl_sqe_indices; + ena_rx_desc_t *sqes; + ena_rx_cdesc_t *cqes; + u32 *sq_db; + u32 sq_next; + u32 cq_next; + u16 cq_idx; + u16 sq_idx; + u16 n_compl_sqes; + u8 cq_created : 1; + u8 sq_created : 1; +} ena_rxq_t; + +typedef struct +{ + u32 *buffer_indices; + ena_tx_desc_t *sqes; + ena_tx_llq_desc128_t *llq_descs; + ena_tx_cdesc_t *cqes; + u64 *sqe_templates; + u32 *sq_db; + u32 sq_tail; + u32 sq_head; + u32 cq_next; + u16 cq_idx; + u16 sq_idx; + u8 cq_created : 1; + u8 sq_created : 1; + u8 llq : 1; +} ena_txq_t; + +typedef struct +{ + u16 qid; + u16 next_index; + u32 hw_if_index; + ena_rx_cdesc_status_t status; + u16 length; + u16 n_desc; + u16 req_id; +} ena_rx_trace_t; + +/* admin.c */ +typedef struct +{ + char *name; + u8 version; + u8 data_sz; + u8 get; + u8 set; +} ena_aq_feat_info_t; + +ena_aq_feat_info_t *ena_aq_get_feat_info (ena_aq_feature_id_t); +vnet_dev_rv_t ena_aq_olloc (vlib_main_t *, vnet_dev_t *, u16); +vnet_dev_rv_t ena_aq_start (vlib_main_t *, vnet_dev_t *); +void ena_aq_stop (vlib_main_t *, vnet_dev_t *); +void ena_aq_free (vlib_main_t *, vnet_dev_t *); +vnet_dev_rv_t ena_aq_create_sq (vlib_main_t *, vnet_dev_t *, + ena_aq_create_sq_cmd_t *, + ena_aq_create_sq_resp_t *); +vnet_dev_rv_t ena_aq_create_cq (vlib_main_t *, vnet_dev_t *, + ena_aq_create_cq_cmd_t *, + ena_aq_create_cq_resp_t *); +vnet_dev_rv_t ena_aq_destroy_sq (vlib_main_t *, vnet_dev_t *, + ena_aq_destroy_sq_cmd_t *); +vnet_dev_rv_t ena_aq_destroy_cq (vlib_main_t *, vnet_dev_t *, + ena_aq_destroy_cq_cmd_t *); +vnet_dev_rv_t ena_aq_set_feature (vlib_main_t *, vnet_dev_t *, + ena_aq_feature_id_t, void *); +vnet_dev_rv_t ena_aq_get_feature (vlib_main_t *, vnet_dev_t *, + ena_aq_feature_id_t, void *); +vnet_dev_rv_t ena_aq_get_stats (vlib_main_t *, vnet_dev_t *, + ena_aq_stats_type_t, ena_aq_stats_scope_t, u16, + void *); + +/* aenq.c */ +vnet_dev_rv_t ena_aenq_olloc (vlib_main_t *, vnet_dev_t *, u16); +vnet_dev_rv_t ena_aenq_start (vlib_main_t *, vnet_dev_t *); +void ena_aenq_stop (vlib_main_t *, vnet_dev_t *); +void ena_aenq_free (vlib_main_t *, vnet_dev_t *); + +/* reg.c */ +void ena_reg_write (vnet_dev_t *, ena_reg_t, void *); +void ena_reg_read (vnet_dev_t *, ena_reg_t, const void *); +void ena_reg_set_dma_addr (vlib_main_t *, vnet_dev_t *, u32, u32, void *); +vnet_dev_rv_t ena_reg_reset (vlib_main_t *, vnet_dev_t *, ena_reset_reason_t); + +/* port.c */ +vnet_dev_rv_t ena_port_init (vlib_main_t *, vnet_dev_port_t *); +vnet_dev_rv_t ena_port_start (vlib_main_t *, vnet_dev_port_t *); +void ena_port_stop (vlib_main_t *, vnet_dev_port_t *); +vnet_dev_rv_t ena_port_cfg_change (vlib_main_t *, vnet_dev_port_t *, + vnet_dev_port_cfg_change_req_t *); +vnet_dev_rv_t ena_port_cfg_change_validate (vlib_main_t *, vnet_dev_port_t *, + vnet_dev_port_cfg_change_req_t *); + +/* queue.c */ +vnet_dev_rv_t ena_rx_queue_alloc (vlib_main_t *, vnet_dev_rx_queue_t *); +vnet_dev_rv_t ena_tx_queue_alloc (vlib_main_t *, vnet_dev_tx_queue_t *); +void ena_rx_queue_free (vlib_main_t *, vnet_dev_rx_queue_t *); +void ena_tx_queue_free (vlib_main_t *, vnet_dev_tx_queue_t *); +vnet_dev_rv_t ena_rx_queue_start (vlib_main_t *, vnet_dev_rx_queue_t *); +vnet_dev_rv_t ena_tx_queue_start (vlib_main_t *, vnet_dev_tx_queue_t *); +void ena_rx_queue_stop (vlib_main_t *, vnet_dev_rx_queue_t *); +void ena_tx_queue_stop (vlib_main_t *, vnet_dev_tx_queue_t *); + +/* format.c */ +format_function_t format_ena_dev_info; +format_function_t format_ena_mem_addr; +format_function_t format_ena_tx_desc; +format_function_t format_ena_rx_trace; + +/* format_admin.c */ +format_function_t format_ena_aq_feat_desc; +format_function_t format_ena_aq_feat_name; +format_function_t format_ena_aq_opcode; +format_function_t format_ena_aq_status; +format_function_t format_ena_aq_feat_id_bitmap; +format_function_t format_ena_aq_create_sq_cmd; +format_function_t format_ena_aq_create_cq_cmd; +format_function_t format_ena_aq_create_sq_resp; +format_function_t format_ena_aq_create_cq_resp; +format_function_t format_ena_aq_destroy_sq_cmd; +format_function_t format_ena_aq_destroy_cq_cmd; +format_function_t format_ena_aq_basic_stats; +format_function_t format_ena_aq_eni_stats; + +#define foreach_ena_rx_node_counter \ + _ (BUFFER_ALLOC, buffer_alloc, ERROR, "buffer alloc error") + +typedef enum +{ +#define _(f, lf, t, s) ENA_RX_NODE_CTR_##f, + foreach_ena_rx_node_counter +#undef _ + ENA_RX_NODE_N_CTRS, +} ena_rx_node_ctr_t; + +#define foreach_ena_tx_node_counter \ + _ (CHAIN_TOO_LONG, chain_too_long, ERROR, "buffer chain too long") \ + _ (NO_FREE_SLOTS, no_free_slots, ERROR, "no free tx slots") + +typedef enum +{ +#define _(f, lf, t, s) ENA_TX_NODE_CTR_##f, + foreach_ena_tx_node_counter +#undef _ + ENA_TX_NODE_N_CTRS, +} ena_tx_node_ctr_t; + +#define log_debug(dev, f, ...) \ + vlib_log (VLIB_LOG_LEVEL_DEBUG, ena_log.class, "%U" f, format_vnet_dev_log, \ + (dev), clib_string_skip_prefix (__func__, "ena_"), ##__VA_ARGS__) +#define log_info(dev, f, ...) \ + vlib_log (VLIB_LOG_LEVEL_INFO, ena_log.class, "%U: " f, \ + format_vnet_dev_addr, (dev), ##__VA_ARGS__) +#define log_notice(dev, f, ...) \ + vlib_log (VLIB_LOG_LEVEL_NOTICE, ena_log.class, "%U: " f, \ + format_vnet_dev_addr, (dev), ##__VA_ARGS__) +#define log_warn(dev, f, ...) \ + vlib_log (VLIB_LOG_LEVEL_WARNING, ena_log.class, "%U: " f, \ + format_vnet_dev_addr, (dev), ##__VA_ARGS__) +#define log_err(dev, f, ...) \ + vlib_log (VLIB_LOG_LEVEL_ERR, ena_log.class, "%U: " f, \ + format_vnet_dev_addr, (dev), ##__VA_ARGS__) + +#endif /* _ENA_H_ */ |