drivers/common/cnxk/roc_idev.c

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(C) 2021 Marvell.
   3  */
   4
   5 #include "roc_api.h"
   6 #include "roc_priv.h"
   7
   8 struct idev_cfg *
   9 idev_get_cfg(void)
  10 {
  11         static const char name[] = "roc_cn10k_intra_device_conf";
  12         const struct plt_memzone *mz;
  13         struct idev_cfg *idev;
  14
  15         mz = plt_memzone_lookup(name);
  16         if (mz != NULL)
  17                 return mz->addr;
  18
  19         /* Request for the first time */
  20         mz = plt_memzone_reserve_cache_align(name, sizeof(struct idev_cfg));
  21         if (mz != NULL) {
  22                 idev = mz->addr;
  23                 idev_set_defaults(idev);
  24                 return idev;
  25         }
  26         return NULL;
  27 }
  28
  29 void
  30 idev_set_defaults(struct idev_cfg *idev)
  31 {
  32         idev->sso_pf_func = 0;
  33         idev->npa = NULL;
  34         idev->npa_pf_func = 0;
  35         idev->max_pools = 128;
  36         idev->lmt_pf_func = 0;
  37         idev->lmt_base_addr = 0;
  38         idev->num_lmtlines = 0;
  39         idev->bphy = NULL;
  40         idev->cpt = NULL;
  41         __atomic_store_n(&idev->npa_refcnt, 0, __ATOMIC_RELEASE);
  42 }
  43
  44 uint16_t
  45 idev_sso_pffunc_get(void)
  46 {
  47         struct idev_cfg *idev;
  48         uint16_t sso_pf_func;
  49
  50         idev = idev_get_cfg();
  51         sso_pf_func = 0;
  52         if (idev != NULL)
  53                 sso_pf_func = __atomic_load_n(&idev->sso_pf_func,
  54                                               __ATOMIC_ACQUIRE);
  55
  56         return sso_pf_func;
  57 }
  58
  59 void
  60 idev_sso_pffunc_set(uint16_t sso_pf_func)
  61 {
  62         struct idev_cfg *idev;
  63
  64         idev = idev_get_cfg();
  65         if (idev != NULL)
  66                 __atomic_store_n(&idev->sso_pf_func, sso_pf_func,
  67                                  __ATOMIC_RELEASE);
  68 }
  69
  70 uint16_t
  71 idev_npa_pffunc_get(void)
  72 {
  73         struct idev_cfg *idev;
  74         uint16_t npa_pf_func;
  75
  76         idev = idev_get_cfg();
  77         npa_pf_func = 0;
  78         if (idev != NULL)
  79                 npa_pf_func = idev->npa_pf_func;
  80
  81         return npa_pf_func;
  82 }
  83
  84 struct npa_lf *
  85 idev_npa_obj_get(void)
  86 {
  87         struct idev_cfg *idev;
  88
  89         idev = idev_get_cfg();
  90         if (idev && __atomic_load_n(&idev->npa_refcnt, __ATOMIC_ACQUIRE))
  91                 return idev->npa;
  92
  93         return NULL;
  94 }
  95
  96 uint32_t
  97 roc_idev_npa_maxpools_get(void)
  98 {
  99         struct idev_cfg *idev;
 100         uint32_t max_pools;
 101
 102         idev = idev_get_cfg();
 103         max_pools = 0;
 104         if (idev != NULL)
 105                 max_pools = idev->max_pools;
 106
 107         return max_pools;
 108 }
 109
 110 void
 111 roc_idev_npa_maxpools_set(uint32_t max_pools)
 112 {
 113         struct idev_cfg *idev;
 114
 115         idev = idev_get_cfg();
 116         if (idev != NULL)
 117                 __atomic_store_n(&idev->max_pools, max_pools, __ATOMIC_RELEASE);
 118 }
 119
 120 uint16_t
 121 idev_npa_lf_active(struct dev *dev)
 122 {
 123         struct idev_cfg *idev;
 124
 125         /* Check if npalf is actively used on this dev */
 126         idev = idev_get_cfg();
 127         if (!idev || !idev->npa || idev->npa->mbox != dev->mbox)
 128                 return 0;
 129
 130         return __atomic_load_n(&idev->npa_refcnt, __ATOMIC_ACQUIRE);
 131 }
 132
 133 uint16_t
 134 idev_lmt_pffunc_get(void)
 135 {
 136         struct idev_cfg *idev;
 137         uint16_t lmt_pf_func;
 138
 139         idev = idev_get_cfg();
 140         lmt_pf_func = 0;
 141         if (idev != NULL)
 142                 lmt_pf_func = idev->lmt_pf_func;
 143
 144         return lmt_pf_func;
 145 }
 146
 147 uint64_t
 148 roc_idev_lmt_base_addr_get(void)
 149 {
 150         uint64_t lmt_base_addr;
 151         struct idev_cfg *idev;
 152
 153         idev = idev_get_cfg();
 154         lmt_base_addr = 0;
 155         if (idev != NULL)
 156                 lmt_base_addr = idev->lmt_base_addr;
 157
 158         return lmt_base_addr;
 159 }
 160
 161 uint16_t
 162 roc_idev_num_lmtlines_get(void)
 163 {
 164         struct idev_cfg *idev;
 165         uint16_t num_lmtlines;
 166
 167         idev = idev_get_cfg();
 168         num_lmtlines = 0;
 169         if (idev != NULL)
 170                 num_lmtlines = idev->num_lmtlines;
 171
 172         return num_lmtlines;
 173 }
 174
 175 struct roc_cpt *
 176 roc_idev_cpt_get(void)
 177 {
 178         struct idev_cfg *idev = idev_get_cfg();
 179
 180         if (idev != NULL)
 181                 return idev->cpt;
 182
 183         return NULL;
 184 }
 185
 186 void
 187 roc_idev_cpt_set(struct roc_cpt *cpt)
 188 {
 189         struct idev_cfg *idev = idev_get_cfg();
 190
 191         if (idev != NULL)
 192                 __atomic_store_n(&idev->cpt, cpt, __ATOMIC_RELEASE);
 193 }
 194
 195 struct roc_nix *
 196 roc_idev_npa_nix_get(void)
 197 {
 198         struct npa_lf *npa_lf = idev_npa_obj_get();
 199         struct dev *dev;
 200
 201         if (!npa_lf)
 202                 return NULL;
 203
 204         dev = container_of(npa_lf, struct dev, npa);
 205         return dev->roc_nix;
 206 }