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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
commit | 5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 (patch) | |
tree | a94efe259b9009378be6d90eb30d2b019d95c194 /drivers/net/ethernet/huawei/hinic/hinic_hw_qp.h | |
parent | Initial commit. (diff) | |
download | linux-5d1646d90e1f2cceb9f0828f4b28318cd0ec7744.tar.xz linux-5d1646d90e1f2cceb9f0828f4b28318cd0ec7744.zip |
Adding upstream version 5.10.209.upstream/5.10.209
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/net/ethernet/huawei/hinic/hinic_hw_qp.h')
-rw-r--r-- | drivers/net/ethernet/huawei/hinic/hinic_hw_qp.h | 233 |
1 files changed, 233 insertions, 0 deletions
diff --git a/drivers/net/ethernet/huawei/hinic/hinic_hw_qp.h b/drivers/net/ethernet/huawei/hinic/hinic_hw_qp.h new file mode 100644 index 000000000..0dfa51ad5 --- /dev/null +++ b/drivers/net/ethernet/huawei/hinic/hinic_hw_qp.h @@ -0,0 +1,233 @@ +/* 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, u16 prod_idx, + 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 |