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 2
 127 #define CFA_P58_WC_TCAM_SLICE_SIZE     12
 128
 129         if (type == TF_TCAM_TBL_TYPE_WC_TCAM) {
 130                 *num_slices_per_row = CFA_P58_WC_TCAM_SLICES_PER_ROW;
 131                 if (key_sz > *num_slices_per_row * CFA_P58_WC_TCAM_SLICE_SIZE)
 132                         return -ENOTSUP;
 133
 134                 *num_slices_per_row = 1;
 135         } else { /* for other type of tcam */
 136                 *num_slices_per_row = 1;
 137         }
 138
 139         return 0;
 140 }
 141
 142 static int tf_dev_p58_get_mailbox(void)
 143 {
 144         return TF_CHIMP_MB;
 145 }
 146
 147 static int tf_dev_p58_word_align(uint16_t size)
 148 {
 149         return ((((size) + 63) >> 6) * 8);
 150 }
 151
 152 /**
 153  * Truflow P58 device specific functions
 154  */
 155 const struct tf_dev_ops tf_dev_ops_p58_init = {
 156         .tf_dev_get_max_types = tf_dev_p58_get_max_types,
 157         .tf_dev_get_resource_str = tf_dev_p58_get_resource_str,
 158         .tf_dev_get_tcam_slice_info = tf_dev_p58_get_tcam_slice_info,
 159         .tf_dev_alloc_ident = NULL,
 160         .tf_dev_free_ident = NULL,
 161         .tf_dev_search_ident = NULL,
 162         .tf_dev_alloc_ext_tbl = NULL,
 163         .tf_dev_alloc_tbl = NULL,
 164         .tf_dev_free_ext_tbl = NULL,
 165         .tf_dev_free_tbl = NULL,
 166         .tf_dev_alloc_search_tbl = NULL,
 167         .tf_dev_set_tbl = NULL,
 168         .tf_dev_set_ext_tbl = NULL,
 169         .tf_dev_get_tbl = NULL,
 170         .tf_dev_get_bulk_tbl = NULL,
 171         .tf_dev_alloc_tcam = NULL,
 172         .tf_dev_free_tcam = NULL,
 173         .tf_dev_alloc_search_tcam = NULL,
 174         .tf_dev_set_tcam = NULL,
 175         .tf_dev_get_tcam = NULL,
 176         .tf_dev_insert_int_em_entry = NULL,
 177         .tf_dev_delete_int_em_entry = NULL,
 178         .tf_dev_insert_ext_em_entry = NULL,
 179         .tf_dev_delete_ext_em_entry = NULL,
 180         .tf_dev_alloc_tbl_scope = NULL,
 181         .tf_dev_map_tbl_scope = NULL,
 182         .tf_dev_map_parif = NULL,
 183         .tf_dev_free_tbl_scope = NULL,
 184         .tf_dev_set_if_tbl = NULL,
 185         .tf_dev_get_if_tbl = NULL,
 186         .tf_dev_set_global_cfg = NULL,
 187         .tf_dev_get_global_cfg = NULL,
 188         .tf_dev_get_mailbox = tf_dev_p58_get_mailbox,
 189         .tf_dev_word_align = NULL,
 190 };
 191
 192 /**
 193  * Truflow P58 device specific functions
 194  */
 195 const struct tf_dev_ops tf_dev_ops_p58 = {
 196         .tf_dev_get_max_types = tf_dev_p58_get_max_types,
 197         .tf_dev_get_resource_str = tf_dev_p58_get_resource_str,
 198         .tf_dev_get_tcam_slice_info = tf_dev_p58_get_tcam_slice_info,
 199         .tf_dev_alloc_ident = tf_ident_alloc,
 200         .tf_dev_free_ident = tf_ident_free,
 201         .tf_dev_search_ident = tf_ident_search,
 202         .tf_dev_alloc_tbl = tf_tbl_alloc,
 203         .tf_dev_alloc_ext_tbl = tf_tbl_ext_alloc,
 204         .tf_dev_free_tbl = tf_tbl_free,
 205         .tf_dev_free_ext_tbl = tf_tbl_ext_free,
 206         .tf_dev_alloc_search_tbl = tf_tbl_alloc_search,
 207         .tf_dev_set_tbl = tf_tbl_set,
 208         .tf_dev_set_ext_tbl = tf_tbl_ext_common_set,
 209         .tf_dev_get_tbl = tf_tbl_get,
 210         .tf_dev_get_bulk_tbl = tf_tbl_bulk_get,
 211         .tf_dev_alloc_tcam = tf_tcam_alloc,
 212         .tf_dev_free_tcam = tf_tcam_free,
 213         .tf_dev_alloc_search_tcam = tf_tcam_alloc_search,
 214         .tf_dev_set_tcam = tf_tcam_set,
 215         .tf_dev_get_tcam = tf_tcam_get,
 216         .tf_dev_insert_int_em_entry = tf_em_hash_insert_int_entry,
 217         .tf_dev_delete_int_em_entry = tf_em_hash_delete_int_entry,
 218         .tf_dev_insert_ext_em_entry = NULL,
 219         .tf_dev_delete_ext_em_entry = NULL,
 220         .tf_dev_alloc_tbl_scope = NULL,
 221         .tf_dev_map_tbl_scope = NULL,
 222         .tf_dev_map_parif = NULL,
 223         .tf_dev_free_tbl_scope = NULL,
 224         .tf_dev_set_if_tbl = tf_if_tbl_set,
 225         .tf_dev_get_if_tbl = tf_if_tbl_get,
 226         .tf_dev_set_global_cfg = tf_global_cfg_set,
 227         .tf_dev_get_global_cfg = tf_global_cfg_get,
 228         .tf_dev_get_mailbox = tf_dev_p58_get_mailbox,
 229         .tf_dev_word_align = tf_dev_p58_word_align,
 230 };