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