ceph/src/spdk/dpdk/drivers/net/octeontx/base/octeontx_pkovf.h

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