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 #ifdef TF_TCAM_SHARED
  14 #include "tf_tcam_shared.h"
  15 #endif /* TF_TCAM_SHARED */
  16 #include "tf_em.h"
  17 #include "tf_if_tbl.h"
  18 #include "tfp.h"
  19 #include "tf_msg_common.h"
  20
  21 #define TF_DEV_P58_PARIF_MAX 16
  22 #define TF_DEV_P58_PF_MASK 0xfUL
  23
  24 /* For print alignment, make all entries 8 chars in this table */
  25 const char *tf_resource_str_p58[CFA_RESOURCE_TYPE_P58_LAST + 1] = {
  26         [CFA_RESOURCE_TYPE_P58_METER]              = "meter   ",
  27         [CFA_RESOURCE_TYPE_P58_SRAM_BANK_0]        = "sram_bk0",
  28         [CFA_RESOURCE_TYPE_P58_SRAM_BANK_1]        = "sram_bk1",
  29         [CFA_RESOURCE_TYPE_P58_SRAM_BANK_2]        = "sram_bk2",
  30         [CFA_RESOURCE_TYPE_P58_SRAM_BANK_3]        = "sram_bk3",
  31         [CFA_RESOURCE_TYPE_P58_L2_CTXT_TCAM_HIGH]  = "l2ctx_hi",
  32         [CFA_RESOURCE_TYPE_P58_L2_CTXT_TCAM_LOW]   = "l2ctx_lo",
  33         [CFA_RESOURCE_TYPE_P58_L2_CTXT_REMAP_HIGH] = "l2ctr_hi",
  34         [CFA_RESOURCE_TYPE_P58_L2_CTXT_REMAP_LOW]  = "l2ctr_lo",
  35         [CFA_RESOURCE_TYPE_P58_PROF_FUNC]          = "prf_func",
  36         [CFA_RESOURCE_TYPE_P58_PROF_TCAM]          = "prf_tcam",
  37         [CFA_RESOURCE_TYPE_P58_EM_PROF_ID]         = "em_prof ",
  38         [CFA_RESOURCE_TYPE_P58_WC_TCAM_PROF_ID]    = "wc_prof ",
  39         [CFA_RESOURCE_TYPE_P58_EM_REC]             = "em_rec  ",
  40         [CFA_RESOURCE_TYPE_P58_WC_TCAM]            = "wc_tcam ",
  41         [CFA_RESOURCE_TYPE_P58_METER_PROF]         = "mtr_prof",
  42         [CFA_RESOURCE_TYPE_P58_MIRROR]             = "mirror  ",
  43         [CFA_RESOURCE_TYPE_P58_EM_FKB]             = "em_fkb  ",
  44         [CFA_RESOURCE_TYPE_P58_WC_FKB]             = "wc_fkb  ",
  45         [CFA_RESOURCE_TYPE_P58_VEB_TCAM]           = "veb     ",
  46 };
  47
  48 /**
  49  * Device specific function that retrieves the MAX number of HCAPI
  50  * types the device supports.
  51  *
  52  * [in] tfp
  53  *   Pointer to TF handle
  54  *
  55  * [out] max_types
  56  *   Pointer to the MAX number of HCAPI types supported
  57  *
  58  * Returns
  59  *   - (0) if successful.
  60  *   - (-EINVAL) on failure.
  61  */
  62 static int
  63 tf_dev_p58_get_max_types(struct tf *tfp,
  64                          uint16_t *max_types)
  65 {
  66         if (max_types == NULL || tfp == NULL)
  67                 return -EINVAL;
  68
  69         *max_types = CFA_RESOURCE_TYPE_P58_LAST + 1;
  70
  71         return 0;
  72 }
  73 /**
  74  * Device specific function that retrieves a human readable
  75  * string to identify a CFA resource type.
  76  *
  77  * [in] tfp
  78  *   Pointer to TF handle
  79  *
  80  * [in] resource_id
  81  *   HCAPI CFA resource id
  82  *
  83  * [out] resource_str
  84  *   Resource string
  85  *
  86  * Returns
  87  *   - (0) if successful.
  88  *   - (-EINVAL) on failure.
  89  */
  90 static int
  91 tf_dev_p58_get_resource_str(struct tf *tfp __rte_unused,
  92                             uint16_t resource_id,
  93                             const char **resource_str)
  94 {
  95         if (resource_str == NULL)
  96                 return -EINVAL;
  97
  98         if (resource_id > CFA_RESOURCE_TYPE_P58_LAST)
  99                 return -EINVAL;
 100
 101         *resource_str = tf_resource_str_p58[resource_id];
 102
 103         return 0;
 104 }
 105
 106 /**
 107  * Device specific function that retrieves the WC TCAM slices the
 108  * device supports.
 109  *
 110  * [in] tfp
 111  *   Pointer to TF handle
 112  *
 113  * [out] slice_size
 114  *   Pointer to the WC TCAM slice size
 115  *
 116  * [out] num_slices_per_row
 117  *   Pointer to the WC TCAM row slice configuration
 118  *
 119  * Returns
 120  *   - (0) if successful.
 121  *   - (-EINVAL) on failure.
 122  */
 123 static int
 124 tf_dev_p58_get_tcam_slice_info(struct tf *tfp __rte_unused,
 125                               enum tf_tcam_tbl_type type,
 126                               uint16_t key_sz,
 127                               uint16_t *num_slices_per_row)
 128 {
 129 #define CFA_P58_WC_TCAM_SLICES_PER_ROW 1
 130 #define CFA_P58_WC_TCAM_SLICE_SIZE     24
 131
 132         if (type == TF_TCAM_TBL_TYPE_WC_TCAM) {
 133                 /* only support single slice key size now */
 134                 *num_slices_per_row = CFA_P58_WC_TCAM_SLICES_PER_ROW;
 135                 if (key_sz > *num_slices_per_row * CFA_P58_WC_TCAM_SLICE_SIZE)
 136                         return -ENOTSUP;
 137         } else { /* for other type of tcam */
 138                 *num_slices_per_row = 1;
 139         }
 140
 141         return 0;
 142 }
 143
 144 static int tf_dev_p58_get_mailbox(void)
 145 {
 146         return TF_CHIMP_MB;
 147 }
 148
 149 static int tf_dev_p58_word_align(uint16_t size)
 150 {
 151         return ((((size) + 63) >> 6) * 8);
 152 }
 153
 154 #define TF_DEV_P58_BANK_SZ_64B 2048
 155 /**
 156  * Get SRAM table information.
 157  *
 158  * Converts an internal RM allocated element offset to
 159  * a user address and vice versa.
 160  *
 161  * [in] tfp
 162  *   Pointer to TF handle
 163  *
 164  * [in] type
 165  *   Truflow index table type, e.g. TF_TYPE_FULL_ACT_RECORD
 166  *
 167  * [in/out] base
 168  *   Pointer to the Base address of the associated SRAM bank used for
 169  *   the type of record allocated.
 170  *
 171  * [in/out] shift
 172  *   Pointer to the factor to be used as a multiplier to translate
 173  *   between the RM units to the user address.  SRAM manages 64B entries
 174  *   Addresses must be shifted to an 8B address.
 175  *
 176  * Returns
 177  *   - (0) if successful.
 178  *   - (-EINVAL) on failure.
 179  */
 180 static int tf_dev_p58_get_sram_tbl_info(struct tf *tfp __rte_unused,
 181                                         void *db,
 182                                         enum tf_tbl_type type,
 183                                         uint16_t *base,
 184                                         uint16_t *shift)
 185 {
 186         uint16_t hcapi_type;
 187         struct tf_rm_get_hcapi_parms parms;
 188         int rc;
 189
 190         parms.rm_db = db;
 191         parms.subtype = type;
 192         parms.hcapi_type = &hcapi_type;
 193
 194         rc = tf_rm_get_hcapi_type(&parms);
 195         if (rc) {
 196                 *base = 0;
 197                 *shift = 0;
 198                 return 0;
 199         }
 200
 201         switch (hcapi_type) {
 202         case CFA_RESOURCE_TYPE_P58_SRAM_BANK_0:
 203                 *base = 0;
 204                 *shift = 3;
 205                 break;
 206         case CFA_RESOURCE_TYPE_P58_SRAM_BANK_1:
 207                 *base = TF_DEV_P58_BANK_SZ_64B;
 208                 *shift = 3;
 209                 break;
 210         case CFA_RESOURCE_TYPE_P58_SRAM_BANK_2:
 211                 *base = TF_DEV_P58_BANK_SZ_64B * 2;
 212                 *shift = 3;
 213                 break;
 214         case CFA_RESOURCE_TYPE_P58_SRAM_BANK_3:
 215                 *base = TF_DEV_P58_BANK_SZ_64B * 3;
 216                 *shift = 3;
 217                 break;
 218         default:
 219                 *base = 0;
 220                 *shift = 0;
 221                 break;
 222         }
 223         return 0;
 224 }
 225 /**
 226  * Truflow P58 device specific functions
 227  */
 228 const struct tf_dev_ops tf_dev_ops_p58_init = {
 229         .tf_dev_get_max_types = tf_dev_p58_get_max_types,
 230         .tf_dev_get_resource_str = tf_dev_p58_get_resource_str,
 231         .tf_dev_get_tcam_slice_info = tf_dev_p58_get_tcam_slice_info,
 232         .tf_dev_alloc_ident = NULL,
 233         .tf_dev_free_ident = NULL,
 234         .tf_dev_search_ident = NULL,
 235         .tf_dev_get_ident_resc_info = NULL,
 236         .tf_dev_get_tbl_info = NULL,
 237         .tf_dev_alloc_ext_tbl = NULL,
 238         .tf_dev_alloc_tbl = NULL,
 239         .tf_dev_free_ext_tbl = NULL,
 240         .tf_dev_free_tbl = NULL,
 241         .tf_dev_alloc_search_tbl = NULL,
 242         .tf_dev_set_tbl = NULL,
 243         .tf_dev_set_ext_tbl = NULL,
 244         .tf_dev_get_tbl = NULL,
 245         .tf_dev_get_bulk_tbl = NULL,
 246         .tf_dev_get_tbl_resc_info = NULL,
 247         .tf_dev_alloc_tcam = NULL,
 248         .tf_dev_free_tcam = NULL,
 249         .tf_dev_alloc_search_tcam = NULL,
 250         .tf_dev_set_tcam = NULL,
 251         .tf_dev_get_tcam = NULL,
 252         .tf_dev_get_tcam_resc_info = NULL,
 253         .tf_dev_insert_int_em_entry = NULL,
 254         .tf_dev_delete_int_em_entry = NULL,
 255         .tf_dev_insert_ext_em_entry = NULL,
 256         .tf_dev_delete_ext_em_entry = NULL,
 257         .tf_dev_get_em_resc_info = NULL,
 258         .tf_dev_alloc_tbl_scope = NULL,
 259         .tf_dev_map_tbl_scope = NULL,
 260         .tf_dev_map_parif = NULL,
 261         .tf_dev_free_tbl_scope = NULL,
 262         .tf_dev_set_if_tbl = NULL,
 263         .tf_dev_get_if_tbl = NULL,
 264         .tf_dev_set_global_cfg = NULL,
 265         .tf_dev_get_global_cfg = NULL,
 266         .tf_dev_get_mailbox = tf_dev_p58_get_mailbox,
 267         .tf_dev_word_align = NULL,
 268 };
 269
 270 /**
 271  * Truflow P58 device specific functions
 272  */
 273 const struct tf_dev_ops tf_dev_ops_p58 = {
 274         .tf_dev_get_max_types = tf_dev_p58_get_max_types,
 275         .tf_dev_get_resource_str = tf_dev_p58_get_resource_str,
 276         .tf_dev_get_tcam_slice_info = tf_dev_p58_get_tcam_slice_info,
 277         .tf_dev_alloc_ident = tf_ident_alloc,
 278         .tf_dev_free_ident = tf_ident_free,
 279         .tf_dev_search_ident = tf_ident_search,
 280         .tf_dev_get_ident_resc_info = tf_ident_get_resc_info,
 281         .tf_dev_get_tbl_info = tf_dev_p58_get_sram_tbl_info,
 282         .tf_dev_alloc_tbl = tf_tbl_alloc,
 283         .tf_dev_alloc_ext_tbl = tf_tbl_ext_alloc,
 284         .tf_dev_free_tbl = tf_tbl_free,
 285         .tf_dev_free_ext_tbl = tf_tbl_ext_free,
 286         .tf_dev_alloc_search_tbl = tf_tbl_alloc_search,
 287         .tf_dev_set_tbl = tf_tbl_set,
 288         .tf_dev_set_ext_tbl = tf_tbl_ext_common_set,
 289         .tf_dev_get_tbl = tf_tbl_get,
 290         .tf_dev_get_bulk_tbl = tf_tbl_bulk_get,
 291         .tf_dev_get_tbl_resc_info = tf_tbl_get_resc_info,
 292 #ifdef TF_TCAM_SHARED
 293         .tf_dev_alloc_tcam = tf_tcam_shared_alloc,
 294         .tf_dev_free_tcam = tf_tcam_shared_free,
 295         .tf_dev_set_tcam = tf_tcam_shared_set,
 296         .tf_dev_get_tcam = tf_tcam_shared_get,
 297         .tf_dev_move_tcam = tf_tcam_shared_move_p58,
 298 #else /* !TF_TCAM_SHARED */
 299         .tf_dev_alloc_tcam = tf_tcam_alloc,
 300         .tf_dev_free_tcam = tf_tcam_free,
 301         .tf_dev_set_tcam = tf_tcam_set,
 302         .tf_dev_get_tcam = tf_tcam_get,
 303 #endif
 304         .tf_dev_alloc_search_tcam = tf_tcam_alloc_search,
 305         .tf_dev_get_tcam_resc_info = tf_tcam_get_resc_info,
 306         .tf_dev_insert_int_em_entry = tf_em_hash_insert_int_entry,
 307         .tf_dev_delete_int_em_entry = tf_em_hash_delete_int_entry,
 308 #if (TF_EM_ALLOC == 1)
 309         .tf_dev_move_int_em_entry = tf_em_move_int_entry,
 310 #else
 311         .tf_dev_move_int_em_entry = NULL,
 312 #endif
 313         .tf_dev_insert_ext_em_entry = NULL,
 314         .tf_dev_delete_ext_em_entry = NULL,
 315         .tf_dev_get_em_resc_info = tf_em_get_resc_info,
 316         .tf_dev_alloc_tbl_scope = NULL,
 317         .tf_dev_map_tbl_scope = NULL,
 318         .tf_dev_map_parif = NULL,
 319         .tf_dev_free_tbl_scope = NULL,
 320         .tf_dev_set_if_tbl = tf_if_tbl_set,
 321         .tf_dev_get_if_tbl = tf_if_tbl_get,
 322         .tf_dev_set_global_cfg = tf_global_cfg_set,
 323         .tf_dev_get_global_cfg = tf_global_cfg_get,
 324         .tf_dev_get_mailbox = tf_dev_p58_get_mailbox,
 325         .tf_dev_word_align = tf_dev_p58_word_align,
 326         .tf_dev_cfa_key_hash = hcapi_cfa_p58_key_hash
 327 };