| /* SPDX-License-Identifier: GPL-2.0-only */ |
| /* |
| * Huawei HiNIC PCI Express Linux driver |
| * Copyright(c) 2017 Huawei Technologies Co., Ltd |
| */ |
| |
| #ifndef HINIC_HW_QP_H |
| #define HINIC_HW_QP_H |
| |
| #include <linux/kernel.h> |
| #include <linux/types.h> |
| #include <linux/sizes.h> |
| #include <linux/pci.h> |
| #include <linux/skbuff.h> |
| |
| #include "hinic_common.h" |
| #include "hinic_hw_if.h" |
| #include "hinic_hw_wqe.h" |
| #include "hinic_hw_wq.h" |
| #include "hinic_hw_qp_ctxt.h" |
| |
| #define HINIC_SQ_DB_INFO_PI_HI_SHIFT 0 |
| #define HINIC_SQ_DB_INFO_QID_SHIFT 8 |
| #define HINIC_SQ_DB_INFO_PATH_SHIFT 23 |
| #define HINIC_SQ_DB_INFO_COS_SHIFT 24 |
| #define HINIC_SQ_DB_INFO_TYPE_SHIFT 27 |
| |
| #define HINIC_SQ_DB_INFO_PI_HI_MASK 0xFF |
| #define HINIC_SQ_DB_INFO_QID_MASK 0x3FF |
| #define HINIC_SQ_DB_INFO_PATH_MASK 0x1 |
| #define HINIC_SQ_DB_INFO_COS_MASK 0x7 |
| #define HINIC_SQ_DB_INFO_TYPE_MASK 0x1F |
| |
| #define HINIC_SQ_DB_INFO_SET(val, member) \ |
| (((u32)(val) & HINIC_SQ_DB_INFO_##member##_MASK) \ |
| << HINIC_SQ_DB_INFO_##member##_SHIFT) |
| |
| #define HINIC_SQ_WQEBB_SIZE 64 |
| #define HINIC_RQ_WQEBB_SIZE 32 |
| |
| #define HINIC_SQ_PAGE_SIZE SZ_256K |
| #define HINIC_RQ_PAGE_SIZE SZ_256K |
| |
| #define HINIC_SQ_DEPTH SZ_4K |
| #define HINIC_RQ_DEPTH SZ_4K |
| |
| #define HINIC_MAX_QUEUE_DEPTH SZ_4K |
| #define HINIC_MIN_QUEUE_DEPTH 128 |
| |
| /* In any change to HINIC_RX_BUF_SZ, HINIC_RX_BUF_SZ_IDX must be changed */ |
| #define HINIC_RX_BUF_SZ 2048 |
| #define HINIC_RX_BUF_SZ_IDX HINIC_RX_BUF_SZ_2048_IDX |
| |
| #define HINIC_MIN_TX_WQE_SIZE(wq) \ |
| ALIGN(HINIC_SQ_WQE_SIZE(1), (wq)->wqebb_size) |
| |
| #define HINIC_MIN_TX_NUM_WQEBBS(sq) \ |
| (HINIC_MIN_TX_WQE_SIZE((sq)->wq) / (sq)->wq->wqebb_size) |
| |
| enum hinic_rx_buf_sz_idx { |
| HINIC_RX_BUF_SZ_32_IDX, |
| HINIC_RX_BUF_SZ_64_IDX, |
| HINIC_RX_BUF_SZ_96_IDX, |
| HINIC_RX_BUF_SZ_128_IDX, |
| HINIC_RX_BUF_SZ_192_IDX, |
| HINIC_RX_BUF_SZ_256_IDX, |
| HINIC_RX_BUF_SZ_384_IDX, |
| HINIC_RX_BUF_SZ_512_IDX, |
| HINIC_RX_BUF_SZ_768_IDX, |
| HINIC_RX_BUF_SZ_1024_IDX, |
| HINIC_RX_BUF_SZ_1536_IDX, |
| HINIC_RX_BUF_SZ_2048_IDX, |
| HINIC_RX_BUF_SZ_3072_IDX, |
| HINIC_RX_BUF_SZ_4096_IDX, |
| HINIC_RX_BUF_SZ_8192_IDX, |
| HINIC_RX_BUF_SZ_16384_IDX, |
| }; |
| |
| struct hinic_sq { |
| struct hinic_hwif *hwif; |
| |
| struct hinic_wq *wq; |
| |
| u16 qid; |
| |
| u32 irq; |
| u16 msix_entry; |
| |
| void *hw_ci_addr; |
| dma_addr_t hw_ci_dma_addr; |
| |
| void __iomem *db_base; |
| |
| struct sk_buff **saved_skb; |
| struct hinic_debug_priv *dbg; |
| }; |
| |
| struct hinic_rq { |
| struct hinic_hwif *hwif; |
| |
| struct hinic_wq *wq; |
| |
| u16 qid; |
| |
| struct cpumask affinity_mask; |
| u32 irq; |
| u16 msix_entry; |
| |
| size_t buf_sz; |
| |
| struct sk_buff **saved_skb; |
| |
| struct hinic_rq_cqe **cqe; |
| dma_addr_t *cqe_dma; |
| |
| u16 *pi_virt_addr; |
| dma_addr_t pi_dma_addr; |
| struct hinic_debug_priv *dbg; |
| }; |
| |
| struct hinic_qp { |
| struct hinic_sq sq; |
| struct hinic_rq rq; |
| |
| u16 q_id; |
| }; |
| |
| void hinic_qp_prepare_header(struct hinic_qp_ctxt_header *qp_ctxt_hdr, |
| enum hinic_qp_ctxt_type ctxt_type, |
| u16 num_queues, u16 max_queues); |
| |
| void hinic_sq_prepare_ctxt(struct hinic_sq_ctxt *sq_ctxt, |
| struct hinic_sq *sq, u16 global_qid); |
| |
| void hinic_rq_prepare_ctxt(struct hinic_rq_ctxt *rq_ctxt, |
| struct hinic_rq *rq, u16 global_qid); |
| |
| int hinic_init_sq(struct hinic_sq *sq, struct hinic_hwif *hwif, |
| struct hinic_wq *wq, struct msix_entry *entry, void *ci_addr, |
| dma_addr_t ci_dma_addr, void __iomem *db_base); |
| |
| void hinic_clean_sq(struct hinic_sq *sq); |
| |
| int hinic_init_rq(struct hinic_rq *rq, struct hinic_hwif *hwif, |
| struct hinic_wq *wq, struct msix_entry *entry); |
| |
| void hinic_clean_rq(struct hinic_rq *rq); |
| |
| int hinic_get_sq_free_wqebbs(struct hinic_sq *sq); |
| |
| int hinic_get_rq_free_wqebbs(struct hinic_rq *rq); |
| |
| void hinic_task_set_l2hdr(struct hinic_sq_task *task, u32 len); |
| |
| void hinic_task_set_outter_l3(struct hinic_sq_task *task, |
| enum hinic_l3_offload_type l3_type, |
| u32 network_len); |
| |
| void hinic_task_set_inner_l3(struct hinic_sq_task *task, |
| enum hinic_l3_offload_type l3_type, |
| u32 network_len); |
| |
| void hinic_task_set_tunnel_l4(struct hinic_sq_task *task, |
| enum hinic_l4_tunnel_type l4_type, |
| u32 tunnel_len); |
| |
| void hinic_set_cs_inner_l4(struct hinic_sq_task *task, |
| u32 *queue_info, |
| enum hinic_l4_offload_type l4_offload, |
| u32 l4_len, u32 offset); |
| |
| void hinic_set_tso_inner_l4(struct hinic_sq_task *task, |
| u32 *queue_info, |
| enum hinic_l4_offload_type l4_offload, |
| u32 l4_len, |
| u32 offset, u32 ip_ident, u32 mss); |
| |
| void hinic_sq_prepare_wqe(struct hinic_sq *sq, struct hinic_sq_wqe *wqe, |
| struct hinic_sge *sges, int nr_sges); |
| |
| void hinic_sq_write_db(struct hinic_sq *sq, u16 prod_idx, unsigned int wqe_size, |
| unsigned int cos); |
| |
| struct hinic_sq_wqe *hinic_sq_get_wqe(struct hinic_sq *sq, |
| unsigned int wqe_size, u16 *prod_idx); |
| |
| void hinic_sq_return_wqe(struct hinic_sq *sq, unsigned int wqe_size); |
| |
| void hinic_sq_write_wqe(struct hinic_sq *sq, u16 prod_idx, |
| struct hinic_sq_wqe *wqe, struct sk_buff *skb, |
| unsigned int wqe_size); |
| |
| struct hinic_sq_wqe *hinic_sq_read_wqe(struct hinic_sq *sq, |
| struct sk_buff **skb, |
| unsigned int wqe_size, u16 *cons_idx); |
| |
| struct hinic_sq_wqe *hinic_sq_read_wqebb(struct hinic_sq *sq, |
| struct sk_buff **skb, |
| unsigned int *wqe_size, u16 *cons_idx); |
| |
| void hinic_sq_put_wqe(struct hinic_sq *sq, unsigned int wqe_size); |
| |
| void hinic_sq_get_sges(struct hinic_sq_wqe *wqe, struct hinic_sge *sges, |
| int nr_sges); |
| |
| struct hinic_rq_wqe *hinic_rq_get_wqe(struct hinic_rq *rq, |
| unsigned int wqe_size, u16 *prod_idx); |
| |
| void hinic_rq_write_wqe(struct hinic_rq *rq, u16 prod_idx, |
| struct hinic_rq_wqe *wqe, struct sk_buff *skb); |
| |
| struct hinic_rq_wqe *hinic_rq_read_wqe(struct hinic_rq *rq, |
| unsigned int wqe_size, |
| struct sk_buff **skb, u16 *cons_idx); |
| |
| struct hinic_rq_wqe *hinic_rq_read_next_wqe(struct hinic_rq *rq, |
| unsigned int wqe_size, |
| struct sk_buff **skb, |
| u16 *cons_idx); |
| |
| void hinic_rq_put_wqe(struct hinic_rq *rq, u16 cons_idx, |
| unsigned int wqe_size); |
| |
| void hinic_rq_get_sge(struct hinic_rq *rq, struct hinic_rq_wqe *wqe, |
| u16 cons_idx, struct hinic_sge *sge); |
| |
| void hinic_rq_prepare_wqe(struct hinic_rq *rq, u16 prod_idx, |
| struct hinic_rq_wqe *wqe, struct hinic_sge *sge); |
| |
| void hinic_rq_update(struct hinic_rq *rq, u16 prod_idx); |
| |
| #endif |
