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_xaq_data {
  31         uint32_t nb_xaq;
  32         uint32_t nb_xae;
  33         uint32_t xaq_lmt;
  34         uint64_t aura_handle;
  35         void *fc;
  36         void *mem;
  37 };
  38
  39 struct roc_sso {
  40         struct plt_pci_device *pci_dev;
  41         /* Public data. */
  42         uint16_t max_hwgrp;
  43         uint16_t max_hws;
  44         uint16_t nb_hwgrp;
  45         uint8_t nb_hws;
  46         uintptr_t lmt_base;
  47         struct roc_sso_xaq_data xaq;
  48         /* HW Const. */
  49         uint32_t xae_waes;
  50         uint32_t xaq_buf_size;
  51         uint32_t iue;
  52         /* Private data. */
  53 #define ROC_SSO_MEM_SZ (16 * 1024)
  54         uint8_t reserved[ROC_SSO_MEM_SZ] __plt_cache_aligned;
  55 } __plt_cache_aligned;
  56
  57 static __plt_always_inline uint64_t
  58 roc_sso_hws_head_wait(uintptr_t base)
  59 {
  60         uintptr_t tag_op = base + SSOW_LF_GWS_TAG;
  61         uint64_t tag;
  62
  63 #if defined(__aarch64__)
  64         asm volatile(PLT_CPU_FEATURE_PREAMBLE
  65                      "          ldr %[tag], [%[tag_op]] \n"
  66                      "          tbnz %[tag], 35, done%=         \n"
  67                      "          sevl                            \n"
  68                      "rty%=:    wfe                             \n"
  69                      "          ldr %[tag], [%[tag_op]] \n"
  70                      "          tbz %[tag], 35, rty%=           \n"
  71                      "done%=:                                   \n"
  72                      : [tag] "=&r"(tag)
  73                      : [tag_op] "r"(tag_op));
  74 #else
  75         do {
  76                 tag = plt_read64(tag_op);
  77         } while (!(tag & BIT_ULL(35)));
  78 #endif
  79         return tag;
  80 }
  81
  82 /* SSO device initialization */
  83 int __roc_api roc_sso_dev_init(struct roc_sso *roc_sso);
  84 int __roc_api roc_sso_dev_fini(struct roc_sso *roc_sso);
  85
  86 /* SSO device configuration */
  87 int __roc_api roc_sso_rsrc_init(struct roc_sso *roc_sso, uint8_t nb_hws,
  88                                 uint16_t nb_hwgrp);
  89 void __roc_api roc_sso_rsrc_fini(struct roc_sso *roc_sso);
  90 int __roc_api roc_sso_hwgrp_qos_config(struct roc_sso *roc_sso,
  91                                        struct roc_sso_hwgrp_qos *qos,
  92                                        uint8_t nb_qos, uint32_t nb_xaq);
  93 int __roc_api roc_sso_hwgrp_alloc_xaq(struct roc_sso *roc_sso,
  94                                       uint32_t npa_aura_id, uint16_t hwgrps);
  95 int __roc_api roc_sso_hwgrp_release_xaq(struct roc_sso *roc_sso,
  96                                         uint16_t hwgrps);
  97 int __roc_api roc_sso_hwgrp_set_priority(struct roc_sso *roc_sso,
  98                                          uint16_t hwgrp, uint8_t weight,
  99                                          uint8_t affinity, uint8_t priority);
 100 uint64_t __roc_api roc_sso_ns_to_gw(struct roc_sso *roc_sso, uint64_t ns);
 101 int __roc_api roc_sso_hws_link(struct roc_sso *roc_sso, uint8_t hws,
 102                                uint16_t hwgrp[], uint16_t nb_hwgrp);
 103 int __roc_api roc_sso_hws_unlink(struct roc_sso *roc_sso, uint8_t hws,
 104                                  uint16_t hwgrp[], uint16_t nb_hwgrp);
 105 int __roc_api roc_sso_hwgrp_hws_link_status(struct roc_sso *roc_sso,
 106                                             uint8_t hws, uint16_t hwgrp);
 107 uintptr_t __roc_api roc_sso_hws_base_get(struct roc_sso *roc_sso, uint8_t hws);
 108 uintptr_t __roc_api roc_sso_hwgrp_base_get(struct roc_sso *roc_sso,
 109                                            uint16_t hwgrp);
 110 int __roc_api roc_sso_hwgrp_init_xaq_aura(struct roc_sso *roc_sso,
 111                                           uint32_t nb_xae);
 112 int __roc_api roc_sso_hwgrp_free_xaq_aura(struct roc_sso *roc_sso,
 113                                           uint16_t nb_hwgrp);
 114
 115 /* Debug */
 116 void __roc_api roc_sso_dump(struct roc_sso *roc_sso, uint8_t nb_hws,
 117                             uint16_t hwgrp, FILE *f);
 118 int __roc_api roc_sso_hwgrp_stats_get(struct roc_sso *roc_sso, uint8_t hwgrp,
 119                                       struct roc_sso_hwgrp_stats *stats);
 120 int __roc_api roc_sso_hws_stats_get(struct roc_sso *roc_sso, uint8_t hws,
 121                                     struct roc_sso_hws_stats *stats);
 122
 123 #endif /* _ROC_SSOW_H_ */