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         idev->nix_inl_dev = NULL;
  42         plt_spinlock_init(&idev->nix_inl_dev_lock);
  43         __atomic_store_n(&idev->npa_refcnt, 0, __ATOMIC_RELEASE);
  44 }
  45
  46 uint16_t
  47 idev_sso_pffunc_get(void)
  48 {
  49         struct idev_cfg *idev;
  50         uint16_t sso_pf_func;
  51
  52         idev = idev_get_cfg();
  53         sso_pf_func = 0;
  54         if (idev != NULL)
  55                 sso_pf_func = __atomic_load_n(&idev->sso_pf_func,
  56                                               __ATOMIC_ACQUIRE);
  57
  58         return sso_pf_func;
  59 }
  60
  61 void
  62 idev_sso_pffunc_set(uint16_t sso_pf_func)
  63 {
  64         struct idev_cfg *idev;
  65
  66         idev = idev_get_cfg();
  67         if (idev != NULL)
  68                 __atomic_store_n(&idev->sso_pf_func, sso_pf_func,
  69                                  __ATOMIC_RELEASE);
  70 }
  71
  72 uint16_t
  73 idev_npa_pffunc_get(void)
  74 {
  75         struct idev_cfg *idev;
  76         uint16_t npa_pf_func;
  77
  78         idev = idev_get_cfg();
  79         npa_pf_func = 0;
  80         if (idev != NULL)
  81                 npa_pf_func = idev->npa_pf_func;
  82
  83         return npa_pf_func;
  84 }
  85
  86 struct npa_lf *
  87 idev_npa_obj_get(void)
  88 {
  89         struct idev_cfg *idev;
  90
  91         idev = idev_get_cfg();
  92         if (idev && __atomic_load_n(&idev->npa_refcnt, __ATOMIC_ACQUIRE))
  93                 return idev->npa;
  94
  95         return NULL;
  96 }
  97
  98 uint32_t
  99 roc_idev_npa_maxpools_get(void)
 100 {
 101         struct idev_cfg *idev;
 102         uint32_t max_pools;
 103
 104         idev = idev_get_cfg();
 105         max_pools = 0;
 106         if (idev != NULL)
 107                 max_pools = idev->max_pools;
 108
 109         return max_pools;
 110 }
 111
 112 void
 113 roc_idev_npa_maxpools_set(uint32_t max_pools)
 114 {
 115         struct idev_cfg *idev;
 116
 117         idev = idev_get_cfg();
 118         if (idev != NULL)
 119                 __atomic_store_n(&idev->max_pools, max_pools, __ATOMIC_RELEASE);
 120 }
 121
 122 uint16_t
 123 idev_npa_lf_active(struct dev *dev)
 124 {
 125         struct idev_cfg *idev;
 126
 127         /* Check if npalf is actively used on this dev */
 128         idev = idev_get_cfg();
 129         if (!idev || !idev->npa || idev->npa->mbox != dev->mbox)
 130                 return 0;
 131
 132         return __atomic_load_n(&idev->npa_refcnt, __ATOMIC_ACQUIRE);
 133 }
 134
 135 uint16_t
 136 idev_lmt_pffunc_get(void)
 137 {
 138         struct idev_cfg *idev;
 139         uint16_t lmt_pf_func;
 140
 141         idev = idev_get_cfg();
 142         lmt_pf_func = 0;
 143         if (idev != NULL)
 144                 lmt_pf_func = idev->lmt_pf_func;
 145
 146         return lmt_pf_func;
 147 }
 148
 149 uint64_t
 150 roc_idev_lmt_base_addr_get(void)
 151 {
 152         uint64_t lmt_base_addr;
 153         struct idev_cfg *idev;
 154
 155         idev = idev_get_cfg();
 156         lmt_base_addr = 0;
 157         if (idev != NULL)
 158                 lmt_base_addr = idev->lmt_base_addr;
 159
 160         return lmt_base_addr;
 161 }
 162
 163 uint16_t
 164 roc_idev_num_lmtlines_get(void)
 165 {
 166         struct idev_cfg *idev;
 167         uint16_t num_lmtlines;
 168
 169         idev = idev_get_cfg();
 170         num_lmtlines = 0;
 171         if (idev != NULL)
 172                 num_lmtlines = idev->num_lmtlines;
 173
 174         return num_lmtlines;
 175 }
 176
 177 struct roc_cpt *
 178 roc_idev_cpt_get(void)
 179 {
 180         struct idev_cfg *idev = idev_get_cfg();
 181
 182         if (idev != NULL)
 183                 return idev->cpt;
 184
 185         return NULL;
 186 }
 187
 188 uint64_t *
 189 roc_nix_inl_outb_ring_base_get(struct roc_nix *roc_nix)
 190 {
 191         struct nix *nix = roc_nix_to_nix_priv(roc_nix);
 192         struct idev_cfg *idev = idev_get_cfg();
 193         struct nix_inl_dev *inl_dev;
 194
 195         if (!idev || !idev->nix_inl_dev)
 196                 return NULL;
 197
 198         inl_dev = idev->nix_inl_dev;
 199
 200         return (uint64_t *)&inl_dev->sa_soft_exp_ring[nix->outb_se_ring_base];
 201 }
 202
 203 void
 204 roc_idev_cpt_set(struct roc_cpt *cpt)
 205 {
 206         struct idev_cfg *idev = idev_get_cfg();
 207
 208         if (idev != NULL)
 209                 __atomic_store_n(&idev->cpt, cpt, __ATOMIC_RELEASE);
 210 }
 211
 212 struct roc_nix *
 213 roc_idev_npa_nix_get(void)
 214 {
 215         struct npa_lf *npa_lf = idev_npa_obj_get();
 216         struct dev *dev;
 217
 218         if (!npa_lf)
 219                 return NULL;
 220
 221         dev = container_of(npa_lf, struct dev, npa);
 222         return dev->roc_nix;
 223 }
 224
 225 struct roc_sso *
 226 idev_sso_get(void)
 227 {
 228         struct idev_cfg *idev = idev_get_cfg();
 229
 230         if (idev != NULL)
 231                 return __atomic_load_n(&idev->sso, __ATOMIC_ACQUIRE);
 232
 233         return NULL;
 234 }
 235
 236 void
 237 idev_sso_set(struct roc_sso *sso)
 238 {
 239         struct idev_cfg *idev = idev_get_cfg();
 240
 241         if (idev != NULL)
 242                 __atomic_store_n(&idev->sso, sso, __ATOMIC_RELEASE);
 243 }