drivers/common/cnxk/roc_sso.h

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(C) 2021 Marvell.
   3  */
   4
   5 #ifndef _ROC_SSO_H_
   6 #define _ROC_SSO_H_
   7
   8 struct roc_sso_hwgrp_qos {
   9         uint16_t hwgrp;
  10         uint8_t xaq_prcnt;
  11         uint8_t iaq_prcnt;
  12         uint8_t taq_prcnt;
  13 };
  14
  15 struct roc_sso_hws_stats {
  16         uint64_t arbitration;
  17 };
  18
  19 struct roc_sso_hwgrp_stats {
  20         uint64_t ws_pc;
  21         uint64_t ext_pc;
  22         uint64_t wa_pc;
  23         uint64_t ts_pc;
  24         uint64_t ds_pc;
  25         uint64_t dq_pc;
  26         uint64_t aw_status;
  27         uint64_t page_cnt;
  28 };
  29
  30 struct roc_sso {
  31         struct plt_pci_device *pci_dev;
  32         /* Public data. */
  33         uint16_t max_hwgrp;
  34         uint16_t max_hws;
  35         uint16_t nb_hwgrp;
  36         uint8_t nb_hws;
  37         uintptr_t lmt_base;
  38         /* HW Const. */
  39         uint32_t xae_waes;
  40         uint32_t xaq_buf_size;
  41         uint32_t iue;
  42         /* Private data. */
  43 #define ROC_SSO_MEM_SZ (16 * 1024)
  44         uint8_t reserved[ROC_SSO_MEM_SZ] __plt_cache_aligned;
  45 } __plt_cache_aligned;
  46
  47 static __plt_always_inline void
  48 roc_sso_hws_head_wait(uintptr_t tag_op)
  49 {
  50 #ifdef RTE_ARCH_ARM64
  51         uint64_t tag;
  52
  53         asm volatile(PLT_CPU_FEATURE_PREAMBLE
  54                      "          ldr %[tag], [%[tag_op]] \n"
  55                      "          tbnz %[tag], 35, done%=         \n"
  56                      "          sevl                            \n"
  57                      "rty%=:    wfe                             \n"
  58                      "          ldr %[tag], [%[tag_op]] \n"
  59                      "          tbz %[tag], 35, rty%=           \n"
  60                      "done%=:                                   \n"
  61                      : [tag] "=&r"(tag)
  62                      : [tag_op] "r"(tag_op));
  63 #else
  64         /* Wait for the SWTAG/SWTAG_FULL operation */
  65         while (!(plt_read64(tag_op) & BIT_ULL(35)))
  66                 ;
  67 #endif
  68 }
  69
  70 /* SSO device initialization */
  71 int __roc_api roc_sso_dev_init(struct roc_sso *roc_sso);
  72 int __roc_api roc_sso_dev_fini(struct roc_sso *roc_sso);
  73
  74 /* SSO device configuration */
  75 int __roc_api roc_sso_rsrc_init(struct roc_sso *roc_sso, uint8_t nb_hws,
  76                                 uint16_t nb_hwgrp);
  77 void __roc_api roc_sso_rsrc_fini(struct roc_sso *roc_sso);
  78 int __roc_api roc_sso_hwgrp_qos_config(struct roc_sso *roc_sso,
  79                                        struct roc_sso_hwgrp_qos *qos,
  80                                        uint8_t nb_qos, uint32_t nb_xaq);
  81 int __roc_api roc_sso_hwgrp_alloc_xaq(struct roc_sso *roc_sso,
  82                                       uint32_t npa_aura_id, uint16_t hwgrps);
  83 int __roc_api roc_sso_hwgrp_release_xaq(struct roc_sso *roc_sso,
  84                                         uint16_t hwgrps);
  85 int __roc_api roc_sso_hwgrp_set_priority(struct roc_sso *roc_sso,
  86                                          uint16_t hwgrp, uint8_t weight,
  87                                          uint8_t affinity, uint8_t priority);
  88 uint64_t __roc_api roc_sso_ns_to_gw(struct roc_sso *roc_sso, uint64_t ns);
  89 int __roc_api roc_sso_hws_link(struct roc_sso *roc_sso, uint8_t hws,
  90                                uint16_t hwgrp[], uint16_t nb_hwgrp);
  91 int __roc_api roc_sso_hws_unlink(struct roc_sso *roc_sso, uint8_t hws,
  92                                  uint16_t hwgrp[], uint16_t nb_hwgrp);
  93 int __roc_api roc_sso_hwgrp_hws_link_status(struct roc_sso *roc_sso,
  94                                             uint8_t hws, uint16_t hwgrp);
  95 uintptr_t __roc_api roc_sso_hws_base_get(struct roc_sso *roc_sso, uint8_t hws);
  96 uintptr_t __roc_api roc_sso_hwgrp_base_get(struct roc_sso *roc_sso,
  97                                            uint16_t hwgrp);
  98
  99 /* Debug */
 100 void __roc_api roc_sso_dump(struct roc_sso *roc_sso, uint8_t nb_hws,
 101                             uint16_t hwgrp, FILE *f);
 102 int __roc_api roc_sso_hwgrp_stats_get(struct roc_sso *roc_sso, uint8_t hwgrp,
 103                                       struct roc_sso_hwgrp_stats *stats);
 104 int __roc_api roc_sso_hws_stats_get(struct roc_sso *roc_sso, uint8_t hws,
 105                                     struct roc_sso_hws_stats *stats);
 106
 107 #endif /* _ROC_SSOW_H_ */