LXR dpdk/drivers/net/octeontx/base/octeontx

   1/* SPDX-License-Identifier: BSD-3-Clause
   2 * Copyright(c) 2017 Cavium, Inc
   3 */
   4
   5#ifndef __OCTEONTX_PKO_H__
   6#define __OCTEONTX_PKO_H__
   7
   8#include <octeontx_mbox.h>
   9
  10/* PKO maximum constants */
  11#define PKO_VF_MAX                      (32)
  12#define PKO_VF_NUM_DQ                   (8)
  13#define PKO_MAX_NUM_DQ                  (8)
  14#define PKO_DQ_DRAIN_TO                 (1000)
  15
  16#define PKO_DQ_FC_SKID                  (4)
  17#define PKO_DQ_FC_DEPTH_PAGES           (2048)
  18#define PKO_DQ_FC_STRIDE_16             (16)
  19#define PKO_DQ_FC_STRIDE_128            (128)
  20#define PKO_DQ_FC_STRIDE                PKO_DQ_FC_STRIDE_16
  21
  22#define PKO_DQ_KIND_BIT                 49
  23#define PKO_DQ_STATUS_BIT               60
  24#define PKO_DQ_OP_BIT                   48
  25
  26/* PKO VF register offsets from VF_BAR0 */
  27#define PKO_VF_DQ_SW_XOFF(gdq)          (0x000100 | (gdq) << 17)
  28#define PKO_VF_DQ_WM_CTL(gdq)           (0x000130 | (gdq) << 17)
  29#define PKO_VF_DQ_WM_CNT(gdq)           (0x000150 | (gdq) << 17)
  30#define PKO_VF_DQ_FC_CONFIG             (0x000160)
  31#define PKO_VF_DQ_FC_STATUS(gdq)        (0x000168 | (gdq) << 17)
  32#define PKO_VF_DQ_OP_SEND(gdq, op)      (0x001000 | (gdq) << 17 | (op) << 3)
  33#define PKO_VF_DQ_OP_OPEN(gdq)          (0x001100 | (gdq) << 17)
  34#define PKO_VF_DQ_OP_CLOSE(gdq)         (0x001200 | (gdq) << 17)
  35#define PKO_VF_DQ_OP_QUERY(gdq)         (0x001300 | (gdq) << 17)
  36
  37/* pko_send_hdr_s + pko_send_link */
  38#define PKO_CMD_SZ                      (2 << 1)
  39#define PKO_SEND_BUFLINK_SUBDC          (0x0ull << 60)
  40#define PKO_SEND_BUFLINK_LDTYPE(x)      ((x) << 58)
  41#define PKO_SEND_BUFLINK_GAUAR(x)       ((x) << 24)
  42#define PKO_SEND_GATHER_SUBDC           (0x2ull << 60)
  43#define PKO_SEND_GATHER_LDTYPE(x)       ((x) << 58)
  44#define PKO_SEND_GATHER_GAUAR(x)        ((x) << 24)
  45
  46#define OCTEONTX_PKO_COPROC                     4
  47#define MBOX_PKO_MTU_CONFIG                     1
  48
  49typedef struct mbox_pko_mtu_cfg {
  50        uint32_t mtu;
  51} mbox_pko_mtu_cfg_t;
  52
  53typedef struct octeontx_dq_s {
  54        void *lmtline_va;
  55        void *ioreg_va;
  56        void *fc_status_va;
  57} octeontx_dq_t;
  58
  59/**
  60 * Function for extracting information out of a given DQ.
  61 *
  62 * It is intended to be used in slow path (configuration) in
  63 * octeontx_pko_channel_query().
  64 *
  65 * @param dq The DQ to extract information from.
  66 * @param out Pointer to the user's structure he wants to fill.
  67 */
  68typedef void (*octeontx_pko_dq_getter_t)(octeontx_dq_t *dq, void *out);
  69
  70int
  71octeontx_pko_channel_query_dqs(int chanid, void *out, size_t out_elem_size,
  72                               size_t dq_num, octeontx_pko_dq_getter_t getter);
  73int octeontx_pko_channel_open(int dq_base, int dq_num, int chanid);
  74int octeontx_pko_channel_close(int chanid);
  75int octeontx_pko_channel_start(int chanid);
  76int octeontx_pko_channel_stop(int chanid);
  77int octeontx_pko_vf_count(void);
  78size_t octeontx_pko_get_vfid(void);
  79int octeontx_pko_init_fc(const size_t pko_vf_count);
  80void octeontx_pko_fc_free(void);
  81int octeontx_pko_send_mtu(int port, int mtu);
  82
  83#endif /* __OCTEONTX_PKO_H__ */
  84