drivers/net/bnxt/tf_core/tf_device_p58.c

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2019-2021 Broadcom
   3  * All rights reserved.
   4  */
   5
   6 #include <rte_common.h>
   7
   8 #include "cfa_resource_types.h"
   9 #include "tf_device.h"
  10 #include "tf_identifier.h"
  11 #include "tf_tbl.h"
  12 #include "tf_tcam.h"
  13 #include "tf_em.h"
  14 #include "tf_if_tbl.h"
  15 #include "tfp.h"
  16
  17 #define TF_DEV_P58_PARIF_MAX 16
  18 #define TF_DEV_P58_PF_MASK 0xfUL
  19
  20 const char *tf_resource_str_p58[CFA_RESOURCE_TYPE_P58_LAST + 1] = {
  21         /* CFA_RESOURCE_TYPE_P58_METER */
  22         "meter   ",
  23         /* CFA_RESOURCE_TYPE_P58_SRAM_BANK_0 */
  24         "sram_bk0",
  25         /* CFA_RESOURCE_TYPE_P58_SRAM_BANK_1 */
  26         "sram_bk1",
  27         /* CFA_RESOURCE_TYPE_P58_SRAM_BANK_2 */
  28         "sram_bk2",
  29         /* CFA_RESOURCE_TYPE_P58_SRAM_BANK_3 */
  30         "sram_bk3",
  31         /* CFA_RESOURCE_TYPE_P58_L2_CTXT_TCAM_HIGH */
  32         "l2ctx_hi",
  33         /* CFA_RESOURCE_TYPE_P58_L2_CTXT_TCAM_LOW */
  34         "l2ctx_lo",
  35         /* CFA_RESOURCE_TYPE_P58_L2_CTXT_REMAP_HIGH */
  36         "l2ctr_hi",
  37         /* CFA_RESOURCE_TYPE_P58_L2_CTXT_REMAP_LOW */
  38         "l2ctr_lo",
  39         /* CFA_RESOURCE_TYPE_P58_PROF_FUNC */
  40         "prf_func",
  41         /* CFA_RESOURCE_TYPE_P58_PROF_TCAM */
  42         "prf_tcam",
  43         /* CFA_RESOURCE_TYPE_P58_EM_PROF_ID */
  44         "em_prof ",
  45         /* CFA_RESOURCE_TYPE_P58_WC_TCAM_PROF_ID */
  46         "wc_prof ",
  47         /* CFA_RESOURCE_TYPE_P58_EM_REC */
  48         "em_rec  ",
  49         /* CFA_RESOURCE_TYPE_P58_WC_TCAM */
  50         "wc_tcam ",
  51         /* CFA_RESOURCE_TYPE_P58_METER_PROF */
  52         "mtr_prof",
  53         /* CFA_RESOURCE_TYPE_P58_MIRROR */
  54         "mirror  ",
  55         /* CFA_RESOURCE_TYPE_P58_EM_FKB */
  56         "em_fkb  ",
  57         /* CFA_RESOURCE_TYPE_P58_WC_FKB */
  58         "wc_fkb  ",
  59         /* CFA_RESOURCE_TYPE_P58_VEB_TCAM */
  60         "veb     ",
  61 };
  62
  63 /**
  64  * Device specific function that retrieves the MAX number of HCAPI
  65  * types the device supports.
  66  *
  67  * [in] tfp
  68  *   Pointer to TF handle
  69  *
  70  * [out] max_types
  71  *   Pointer to the MAX number of HCAPI types supported
  72  *
  73  * Returns
  74  *   - (0) if successful.
  75  *   - (-EINVAL) on failure.
  76  */
  77 static int
  78 tf_dev_p58_get_max_types(struct tf *tfp,
  79                         uint16_t *max_types)
  80 {
  81         struct tf_session *tfs;
  82         struct tf_dev_info *dev;
  83         int rc;
  84
  85         if (max_types == NULL || tfp == NULL)
  86                 return -EINVAL;
  87
  88         /* Retrieve the session information */
  89         rc = tf_session_get_session(tfp, &tfs);
  90         if (rc)
  91                 return rc;
  92
  93         /* Retrieve the device information */
  94         rc = tf_session_get_device(tfs, &dev);
  95         if (rc)
  96                 return rc;
  97
  98         *max_types = CFA_RESOURCE_TYPE_P58_LAST + 1;
  99
 100         return 0;
 101 }
 102 /**
 103  * Device specific function that retrieves a human readable
 104  * string to identify a CFA resource type.
 105  *
 106  * [in] tfp
 107  *   Pointer to TF handle
 108  *
 109  * [in] resource_id
 110  *   HCAPI CFA resource id
 111  *
 112  * [out] resource_str
 113  *   Resource string
 114  *
 115  * Returns
 116  *   - (0) if successful.
 117  *   - (-EINVAL) on failure.
 118  */
 119 static int
 120 tf_dev_p58_get_resource_str(struct tf *tfp __rte_unused,
 121                             uint16_t resource_id,
 122                             const char **resource_str)
 123 {
 124         if (resource_str == NULL)
 125                 return -EINVAL;
 126
 127         if (resource_id > CFA_RESOURCE_TYPE_P58_LAST)
 128                 return -EINVAL;
 129
 130         *resource_str = tf_resource_str_p58[resource_id];
 131
 132         return 0;
 133 }
 134
 135 /**
 136  * Device specific function that retrieves the WC TCAM slices the
 137  * device supports.
 138  *
 139  * [in] tfp
 140  *   Pointer to TF handle
 141  *
 142  * [out] slice_size
 143  *   Pointer to the WC TCAM slice size
 144  *
 145  * [out] num_slices_per_row
 146  *   Pointer to the WC TCAM row slice configuration
 147  *
 148  * Returns
 149  *   - (0) if successful.
 150  *   - (-EINVAL) on failure.
 151  */
 152 static int
 153 tf_dev_p58_get_tcam_slice_info(struct tf *tfp __rte_unused,
 154                               enum tf_tcam_tbl_type type,
 155                               uint16_t key_sz,
 156                               uint16_t *num_slices_per_row)
 157 {
 158 #define CFA_P58_WC_TCAM_SLICES_PER_ROW 2
 159 #define CFA_P58_WC_TCAM_SLICE_SIZE     12
 160
 161         if (type == TF_TCAM_TBL_TYPE_WC_TCAM) {
 162                 *num_slices_per_row = CFA_P58_WC_TCAM_SLICES_PER_ROW;
 163                 if (key_sz > *num_slices_per_row * CFA_P58_WC_TCAM_SLICE_SIZE)
 164                         return -ENOTSUP;
 165
 166                 *num_slices_per_row = 1;
 167         } else { /* for other type of tcam */
 168                 *num_slices_per_row = 1;
 169         }
 170
 171         return 0;
 172 }
 173
 174 static int
 175 tf_dev_p58_map_parif(struct tf *tfp __rte_unused,
 176                     uint16_t parif_bitmask,
 177                     uint16_t pf,
 178                     uint8_t *data,
 179                     uint8_t *mask,
 180                     uint16_t sz_in_bytes)
 181 {
 182         uint32_t parif_pf[2] = { 0 };
 183         uint32_t parif_pf_mask[2] = { 0 };
 184         uint32_t parif;
 185         uint32_t shift;
 186
 187         if (sz_in_bytes != sizeof(uint64_t))
 188                 return -ENOTSUP;
 189
 190         for (parif = 0; parif < TF_DEV_P58_PARIF_MAX; parif++) {
 191                 if (parif_bitmask & (1UL << parif)) {
 192                         if (parif < 8) {
 193                                 shift = 4 * parif;
 194                                 parif_pf_mask[0] |= TF_DEV_P58_PF_MASK << shift;
 195                                 parif_pf[0] |= pf << shift;
 196                         } else {
 197                                 shift = 4 * (parif - 8);
 198                                 parif_pf_mask[1] |= TF_DEV_P58_PF_MASK << shift;
 199                                 parif_pf[1] |= pf << shift;
 200                         }
 201                 }
 202         }
 203         tfp_memcpy(data, parif_pf, sz_in_bytes);
 204         tfp_memcpy(mask, parif_pf_mask, sz_in_bytes);
 205
 206         return 0;
 207 }
 208
 209
 210 /**
 211  * Truflow P58 device specific functions
 212  */
 213 const struct tf_dev_ops tf_dev_ops_p58_init = {
 214         .tf_dev_get_max_types = tf_dev_p58_get_max_types,
 215         .tf_dev_get_resource_str = tf_dev_p58_get_resource_str,
 216         .tf_dev_get_tcam_slice_info = tf_dev_p58_get_tcam_slice_info,
 217         .tf_dev_alloc_ident = NULL,
 218         .tf_dev_free_ident = NULL,
 219         .tf_dev_search_ident = NULL,
 220         .tf_dev_alloc_ext_tbl = NULL,
 221         .tf_dev_alloc_tbl = NULL,
 222         .tf_dev_free_ext_tbl = NULL,
 223         .tf_dev_free_tbl = NULL,
 224         .tf_dev_alloc_search_tbl = NULL,
 225         .tf_dev_set_tbl = NULL,
 226         .tf_dev_set_ext_tbl = NULL,
 227         .tf_dev_get_tbl = NULL,
 228         .tf_dev_get_bulk_tbl = NULL,
 229         .tf_dev_alloc_tcam = NULL,
 230         .tf_dev_free_tcam = NULL,
 231         .tf_dev_alloc_search_tcam = NULL,
 232         .tf_dev_set_tcam = NULL,
 233         .tf_dev_get_tcam = NULL,
 234         .tf_dev_insert_int_em_entry = NULL,
 235         .tf_dev_delete_int_em_entry = NULL,
 236         .tf_dev_insert_ext_em_entry = NULL,
 237         .tf_dev_delete_ext_em_entry = NULL,
 238         .tf_dev_alloc_tbl_scope = NULL,
 239         .tf_dev_map_tbl_scope = NULL,
 240         .tf_dev_map_parif = NULL,
 241         .tf_dev_free_tbl_scope = NULL,
 242         .tf_dev_set_if_tbl = NULL,
 243         .tf_dev_get_if_tbl = NULL,
 244         .tf_dev_set_global_cfg = NULL,
 245         .tf_dev_get_global_cfg = NULL,
 246 };
 247
 248 /**
 249  * Truflow P58 device specific functions
 250  */
 251 const struct tf_dev_ops tf_dev_ops_p58 = {
 252         .tf_dev_get_max_types = tf_dev_p58_get_max_types,
 253         .tf_dev_get_resource_str = tf_dev_p58_get_resource_str,
 254         .tf_dev_get_tcam_slice_info = tf_dev_p58_get_tcam_slice_info,
 255         .tf_dev_alloc_ident = tf_ident_alloc,
 256         .tf_dev_free_ident = tf_ident_free,
 257         .tf_dev_search_ident = tf_ident_search,
 258         .tf_dev_alloc_tbl = tf_tbl_alloc,
 259         .tf_dev_alloc_ext_tbl = tf_tbl_ext_alloc,
 260         .tf_dev_free_tbl = tf_tbl_free,
 261         .tf_dev_free_ext_tbl = tf_tbl_ext_free,
 262         .tf_dev_alloc_search_tbl = tf_tbl_alloc_search,
 263         .tf_dev_set_tbl = tf_tbl_set,
 264         .tf_dev_set_ext_tbl = tf_tbl_ext_common_set,
 265         .tf_dev_get_tbl = tf_tbl_get,
 266         .tf_dev_get_bulk_tbl = tf_tbl_bulk_get,
 267         .tf_dev_alloc_tcam = tf_tcam_alloc,
 268         .tf_dev_free_tcam = tf_tcam_free,
 269         .tf_dev_alloc_search_tcam = tf_tcam_alloc_search,
 270         .tf_dev_set_tcam = tf_tcam_set,
 271         .tf_dev_get_tcam = NULL,
 272         .tf_dev_insert_int_em_entry = tf_em_insert_int_entry,
 273         .tf_dev_delete_int_em_entry = tf_em_delete_int_entry,
 274         .tf_dev_insert_ext_em_entry = tf_em_insert_ext_entry,
 275         .tf_dev_delete_ext_em_entry = tf_em_delete_ext_entry,
 276         .tf_dev_alloc_tbl_scope = tf_em_ext_common_alloc,
 277         .tf_dev_map_tbl_scope = tf_em_ext_map_tbl_scope,
 278         .tf_dev_map_parif = tf_dev_p58_map_parif,
 279         .tf_dev_free_tbl_scope = tf_em_ext_common_free,
 280         .tf_dev_set_if_tbl = tf_if_tbl_set,
 281         .tf_dev_get_if_tbl = tf_if_tbl_get,
 282         .tf_dev_set_global_cfg = tf_global_cfg_set,
 283         .tf_dev_get_global_cfg = tf_global_cfg_get,
 284 };