LXR dpdk/drivers/common/cnxk/roc

   1/* SPDX-License-Identifier: BSD-3-Clause
   2 * Copyright(C) 2021 Marvell.
   3 */
   4
   5#ifndef _ROC_REE_H_
   6#define _ROC_REE_H_
   7
   8#include "roc_api.h"
   9
  10#define REE_MAX_LFS            36
  11#define REE_MAX_QUEUES_PER_VF  36
  12#define REE_MAX_MATCHES_PER_VF 254
  13
  14#define REE_MAX_PAYLOAD_SIZE (1 << 14)
  15
  16#define REE_NON_INC_PROG 0
  17#define REE_INC_PROG     1
  18
  19#define REE_MOD_INC(i, l) ((i) == (l - 1) ? (i) = 0 : (i)++)
  20
  21/**
  22 * Device vf data
  23 */
  24struct roc_ree_vf {
  25        struct plt_pci_device *pci_dev;
  26        struct dev *dev;
  27        /**< Base class */
  28        uint16_t max_queues;
  29        /**< Max queues supported */
  30        uint8_t nb_queues;
  31        /**< Number of regex queues attached */
  32        uint16_t max_matches;
  33        /**<  Max matches supported*/
  34        uint16_t lf_msixoff[REE_MAX_LFS];
  35        /**< MSI-X offsets */
  36        uint8_t block_address;
  37        /**< REE Block Address */
  38        uint8_t err_intr_registered : 1;
  39        /**< Are error interrupts registered? */
  40
  41#define ROC_REE_MEM_SZ (6 * 1024)
  42        uint8_t reserved[ROC_REE_MEM_SZ] __plt_cache_aligned;
  43} __plt_cache_aligned;
  44
  45struct roc_ree_rid {
  46        uintptr_t rid;
  47        /** Request id of a ree operation */
  48        uint64_t user_id;
  49        /* Client data */
  50        /**< IOVA address of the pattern to be matched. */
  51};
  52
  53struct roc_ree_pending_queue {
  54        uint64_t pending_count;
  55        /** Pending requests count */
  56        struct roc_ree_rid *rid_queue;
  57        /** Array of pending requests */
  58        uint16_t enq_tail;
  59        /** Tail of queue to be used for enqueue */
  60        uint16_t deq_head;
  61        /** Head of queue to be used for dequeue */
  62};
  63
  64struct roc_ree_qp {
  65        uint32_t id;
  66        /**< Queue pair id */
  67        uintptr_t base;
  68        /**< Base address where BAR is mapped */
  69        struct roc_ree_pending_queue pend_q;
  70        /**< Pending queue */
  71        rte_iova_t iq_dma_addr;
  72        /**< Instruction queue address */
  73        uint32_t roc_regexdev_jobid;
  74        /**< Job ID */
  75        uint32_t write_offset;
  76        /**< write offset */
  77};
  78
  79union roc_ree_inst {
  80        uint64_t u[8];
  81        struct {
  82                uint64_t doneint : 1;
  83                uint64_t reserved_1_3 : 3;
  84                uint64_t dg : 1;
  85                uint64_t reserved_5_7 : 3;
  86                uint64_t ooj : 1;
  87                uint64_t reserved_9_15 : 7;
  88                uint64_t reserved_16_63 : 48;
  89                uint64_t inp_ptr_addr : 64;
  90                uint64_t inp_ptr_ctl : 64;
  91                uint64_t res_ptr_addr : 64;
  92                uint64_t wq_ptr : 64;
  93                uint64_t tag : 32;
  94                uint64_t tt : 2;
  95                uint64_t ggrp : 10;
  96                uint64_t reserved_364_383 : 20;
  97                uint64_t reserved_384_391 : 8;
  98                uint64_t ree_job_id : 24;
  99                uint64_t ree_job_ctrl : 16;
 100                uint64_t ree_job_length : 15;
 101                uint64_t reserved_447_447 : 1;
 102                uint64_t ree_job_subset_id_0 : 16;
 103                uint64_t ree_job_subset_id_1 : 16;
 104                uint64_t ree_job_subset_id_2 : 16;
 105                uint64_t ree_job_subset_id_3 : 16;
 106        } cn98xx;
 107};
 108
 109int __roc_api roc_ree_dev_init(struct roc_ree_vf *vf);
 110int __roc_api roc_ree_dev_fini(struct roc_ree_vf *vf);
 111int __roc_api roc_ree_queues_attach(struct roc_ree_vf *vf, uint8_t nb_queues);
 112int __roc_api roc_ree_queues_detach(struct roc_ree_vf *vf);
 113int __roc_api roc_ree_msix_offsets_get(struct roc_ree_vf *vf);
 114int __roc_api roc_ree_config_lf(struct roc_ree_vf *vf, uint8_t lf, uint8_t pri,
 115                                uint32_t size);
 116int __roc_api roc_ree_af_reg_read(struct roc_ree_vf *vf, uint64_t reg,
 117                                  uint64_t *val);
 118int __roc_api roc_ree_af_reg_write(struct roc_ree_vf *vf, uint64_t reg,
 119                                   uint64_t val);
 120int __roc_api roc_ree_rule_db_get(struct roc_ree_vf *vf, char *rule_db,
 121                                  uint32_t rule_db_len, char *rule_dbi,
 122                                  uint32_t rule_dbi_len);
 123int __roc_api roc_ree_rule_db_len_get(struct roc_ree_vf *vf,
 124                                      uint32_t *rule_db_len,
 125                                      uint32_t *rule_dbi_len);
 126int __roc_api roc_ree_rule_db_prog(struct roc_ree_vf *vf, const char *rule_db,
 127                                   uint32_t rule_db_len, const char *rule_dbi,
 128                                   uint32_t rule_dbi_len);
 129uintptr_t __roc_api roc_ree_qp_get_base(struct roc_ree_vf *vf, uint16_t qp_id);
 130void __roc_api roc_ree_err_intr_unregister(struct roc_ree_vf *vf);
 131int __roc_api roc_ree_err_intr_register(struct roc_ree_vf *vf);
 132int __roc_api roc_ree_iq_enable(struct roc_ree_vf *vf,
 133                                const struct roc_ree_qp *qp, uint8_t pri,
 134                                uint32_t size_div128);
 135void __roc_api roc_ree_iq_disable(struct roc_ree_qp *qp);
 136
 137#endif /* _ROC_REE_H_ */
 138