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         struct tf_session *tfs;
  64         struct tf_dev_info *dev;
  65         int rc;
  66
  67         if (max_types == NULL || tfp == NULL)
  68                 return -EINVAL;
  69
  70         /* Retrieve the session information */
  71         rc = tf_session_get_session(tfp, &tfs);
  72         if (rc)
  73                 return rc;
  74
  75         /* Retrieve the device information */
  76         rc = tf_session_get_device(tfs, &dev);
  77         if (rc)
  78                 return rc;
  79
  80         *max_types = CFA_RESOURCE_TYPE_P58_LAST + 1;
  81
  82         return 0;
  83 }
  84 /**
  85  * Device specific function that retrieves a human readable
  86  * string to identify a CFA resource type.
  87  *
  88  * [in] tfp
  89  *   Pointer to TF handle
  90  *
  91  * [in] resource_id
  92  *   HCAPI CFA resource id
  93  *
  94  * [out] resource_str
  95  *   Resource string
  96  *
  97  * Returns
  98  *   - (0) if successful.
  99  *   - (-EINVAL) on failure.
 100  */
 101 static int
 102 tf_dev_p58_get_resource_str(struct tf *tfp __rte_unused,
 103                             uint16_t resource_id,
 104                             const char **resource_str)
 105 {
 106         if (resource_str == NULL)
 107                 return -EINVAL;
 108
 109         if (resource_id > CFA_RESOURCE_TYPE_P58_LAST)
 110                 return -EINVAL;
 111
 112         *resource_str = tf_resource_str_p58[resource_id];
 113
 114         return 0;
 115 }
 116
 117 /**
 118  * Device specific function that retrieves the WC TCAM slices the
 119  * device supports.
 120  *
 121  * [in] tfp
 122  *   Pointer to TF handle
 123  *
 124  * [out] slice_size
 125  *   Pointer to the WC TCAM slice size
 126  *
 127  * [out] num_slices_per_row
 128  *   Pointer to the WC TCAM row slice configuration
 129  *
 130  * Returns
 131  *   - (0) if successful.
 132  *   - (-EINVAL) on failure.
 133  */
 134 static int
 135 tf_dev_p58_get_tcam_slice_info(struct tf *tfp __rte_unused,
 136                               enum tf_tcam_tbl_type type,
 137                               uint16_t key_sz,
 138                               uint16_t *num_slices_per_row)
 139 {
 140 #define CFA_P58_WC_TCAM_SLICES_PER_ROW 2
 141 #define CFA_P58_WC_TCAM_SLICE_SIZE     12
 142
 143         if (type == TF_TCAM_TBL_TYPE_WC_TCAM) {
 144                 *num_slices_per_row = CFA_P58_WC_TCAM_SLICES_PER_ROW;
 145                 if (key_sz > *num_slices_per_row * CFA_P58_WC_TCAM_SLICE_SIZE)
 146                         return -ENOTSUP;
 147
 148                 *num_slices_per_row = 1;
 149         } else { /* for other type of tcam */
 150                 *num_slices_per_row = 1;
 151         }
 152
 153         return 0;
 154 }
 155
 156 static int
 157 tf_dev_p58_map_parif(struct tf *tfp __rte_unused,
 158                     uint16_t parif_bitmask,
 159                     uint16_t pf,
 160                     uint8_t *data,
 161                     uint8_t *mask,
 162                     uint16_t sz_in_bytes)
 163 {
 164         uint32_t parif_pf[2] = { 0 };
 165         uint32_t parif_pf_mask[2] = { 0 };
 166         uint32_t parif;
 167         uint32_t shift;
 168
 169         if (sz_in_bytes != sizeof(uint64_t))
 170                 return -ENOTSUP;
 171
 172         for (parif = 0; parif < TF_DEV_P58_PARIF_MAX; parif++) {
 173                 if (parif_bitmask & (1UL << parif)) {
 174                         if (parif < 8) {
 175                                 shift = 4 * parif;
 176                                 parif_pf_mask[0] |= TF_DEV_P58_PF_MASK << shift;
 177                                 parif_pf[0] |= pf << shift;
 178                         } else {
 179                                 shift = 4 * (parif - 8);
 180                                 parif_pf_mask[1] |= TF_DEV_P58_PF_MASK << shift;
 181                                 parif_pf[1] |= pf << shift;
 182                         }
 183                 }
 184         }
 185         tfp_memcpy(data, parif_pf, sz_in_bytes);
 186         tfp_memcpy(mask, parif_pf_mask, sz_in_bytes);
 187
 188         return 0;
 189 }
 190
 191 static int tf_dev_p58_get_mailbox(void)
 192 {
 193         return TF_CHIMP_MB;
 194 }
 195
 196 static int tf_dev_p58_word_align(uint16_t size)
 197 {
 198         return ((((size) + 63) >> 6) * 8);
 199 }
 200
 201 /**
 202  * Truflow P58 device specific functions
 203  */
 204 const struct tf_dev_ops tf_dev_ops_p58_init = {
 205         .tf_dev_get_max_types = tf_dev_p58_get_max_types,
 206         .tf_dev_get_resource_str = tf_dev_p58_get_resource_str,
 207         .tf_dev_get_tcam_slice_info = tf_dev_p58_get_tcam_slice_info,
 208         .tf_dev_alloc_ident = NULL,
 209         .tf_dev_free_ident = NULL,
 210         .tf_dev_search_ident = NULL,
 211         .tf_dev_alloc_ext_tbl = NULL,
 212         .tf_dev_alloc_tbl = NULL,
 213         .tf_dev_free_ext_tbl = NULL,
 214         .tf_dev_free_tbl = NULL,
 215         .tf_dev_alloc_search_tbl = NULL,
 216         .tf_dev_set_tbl = NULL,
 217         .tf_dev_set_ext_tbl = NULL,
 218         .tf_dev_get_tbl = NULL,
 219         .tf_dev_get_bulk_tbl = NULL,
 220         .tf_dev_alloc_tcam = NULL,
 221         .tf_dev_free_tcam = NULL,
 222         .tf_dev_alloc_search_tcam = NULL,
 223         .tf_dev_set_tcam = NULL,
 224         .tf_dev_get_tcam = NULL,
 225         .tf_dev_insert_int_em_entry = NULL,
 226         .tf_dev_delete_int_em_entry = NULL,
 227         .tf_dev_insert_ext_em_entry = NULL,
 228         .tf_dev_delete_ext_em_entry = NULL,
 229         .tf_dev_alloc_tbl_scope = NULL,
 230         .tf_dev_map_tbl_scope = NULL,
 231         .tf_dev_map_parif = NULL,
 232         .tf_dev_free_tbl_scope = NULL,
 233         .tf_dev_set_if_tbl = NULL,
 234         .tf_dev_get_if_tbl = NULL,
 235         .tf_dev_set_global_cfg = NULL,
 236         .tf_dev_get_global_cfg = NULL,
 237         .tf_dev_get_mailbox = tf_dev_p58_get_mailbox,
 238         .tf_dev_word_align = NULL,
 239 };
 240
 241 /**
 242  * Truflow P58 device specific functions
 243  */
 244 const struct tf_dev_ops tf_dev_ops_p58 = {
 245         .tf_dev_get_max_types = tf_dev_p58_get_max_types,
 246         .tf_dev_get_resource_str = tf_dev_p58_get_resource_str,
 247         .tf_dev_get_tcam_slice_info = tf_dev_p58_get_tcam_slice_info,
 248         .tf_dev_alloc_ident = tf_ident_alloc,
 249         .tf_dev_free_ident = tf_ident_free,
 250         .tf_dev_search_ident = tf_ident_search,
 251         .tf_dev_alloc_tbl = tf_tbl_alloc,
 252         .tf_dev_alloc_ext_tbl = tf_tbl_ext_alloc,
 253         .tf_dev_free_tbl = tf_tbl_free,
 254         .tf_dev_free_ext_tbl = tf_tbl_ext_free,
 255         .tf_dev_alloc_search_tbl = tf_tbl_alloc_search,
 256         .tf_dev_set_tbl = tf_tbl_set,
 257         .tf_dev_set_ext_tbl = tf_tbl_ext_common_set,
 258         .tf_dev_get_tbl = tf_tbl_get,
 259         .tf_dev_get_bulk_tbl = tf_tbl_bulk_get,
 260         .tf_dev_alloc_tcam = tf_tcam_alloc,
 261         .tf_dev_free_tcam = tf_tcam_free,
 262         .tf_dev_alloc_search_tcam = tf_tcam_alloc_search,
 263         .tf_dev_set_tcam = tf_tcam_set,
 264         .tf_dev_get_tcam = tf_tcam_get,
 265         .tf_dev_insert_int_em_entry = tf_em_hash_insert_int_entry,
 266         .tf_dev_delete_int_em_entry = tf_em_hash_delete_int_entry,
 267         .tf_dev_insert_ext_em_entry = NULL,
 268         .tf_dev_delete_ext_em_entry = NULL,
 269         .tf_dev_alloc_tbl_scope = NULL,
 270         .tf_dev_map_tbl_scope = NULL,
 271         .tf_dev_map_parif = tf_dev_p58_map_parif,
 272         .tf_dev_free_tbl_scope = NULL,
 273         .tf_dev_set_if_tbl = tf_if_tbl_set,
 274         .tf_dev_get_if_tbl = tf_if_tbl_get,
 275         .tf_dev_set_global_cfg = tf_global_cfg_set,
 276         .tf_dev_get_global_cfg = tf_global_cfg_get,
 277         .tf_dev_get_mailbox = tf_dev_p58_get_mailbox,
 278         .tf_dev_word_align = tf_dev_p58_word_align,
 279 };