projects / ceph.git / blame
| Commit | Line | Data |
|---|---|---|
| f67539c2 TL |
1 | /* SPDX-License-Identifier: BSD-3-Clause |
| 2 | * Copyright(c) 2019-2020 Broadcom | |
| 3 | * All rights reserved. | |
| 4 | */ | |
| 5 | ||
| 6 | #ifndef _TF_EM_H_ | |
| 7 | #define _TF_EM_H_ | |
| 8 | ||
| 9 | #include "tf_core.h" | |
| 10 | #include "tf_session.h" | |
| 11 | ||
| 12 | #define TF_HW_EM_KEY_MAX_SIZE 52 | |
| 13 | #define TF_EM_KEY_RECORD_SIZE 64 | |
| 14 | ||
| 15 | /** EEM Entry header | |
| 16 | * | |
| 17 | */ | |
| 18 | struct tf_eem_entry_hdr { | |
| 19 | uint32_t pointer; | |
| 20 | uint32_t word1; /* | |
| 21 | * The header is made up of two words, | |
| 22 | * this is the first word. This field has multiple | |
| 23 | * subfields, there is no suitable single name for | |
| 24 | * it so just going with word1. | |
| 25 | */ | |
| 26 | #define TF_LKUP_RECORD_VALID_SHIFT 31 | |
| 27 | #define TF_LKUP_RECORD_VALID_MASK 0x80000000 | |
| 28 | #define TF_LKUP_RECORD_L1_CACHEABLE_SHIFT 30 | |
| 29 | #define TF_LKUP_RECORD_L1_CACHEABLE_MASK 0x40000000 | |
| 30 | #define TF_LKUP_RECORD_STRENGTH_SHIFT 28 | |
| 31 | #define TF_LKUP_RECORD_STRENGTH_MASK 0x30000000 | |
| 32 | #define TF_LKUP_RECORD_RESERVED_SHIFT 17 | |
| 33 | #define TF_LKUP_RECORD_RESERVED_MASK 0x0FFE0000 | |
| 34 | #define TF_LKUP_RECORD_KEY_SIZE_SHIFT 8 | |
| 35 | #define TF_LKUP_RECORD_KEY_SIZE_MASK 0x0001FF00 | |
| 36 | #define TF_LKUP_RECORD_ACT_REC_SIZE_SHIFT 3 | |
| 37 | #define TF_LKUP_RECORD_ACT_REC_SIZE_MASK 0x000000F8 | |
| 38 | #define TF_LKUP_RECORD_ACT_REC_INT_SHIFT 2 | |
| 39 | #define TF_LKUP_RECORD_ACT_REC_INT_MASK 0x00000004 | |
| 40 | #define TF_LKUP_RECORD_EXT_FLOW_CTR_SHIFT 1 | |
| 41 | #define TF_LKUP_RECORD_EXT_FLOW_CTR_MASK 0x00000002 | |
| 42 | #define TF_LKUP_RECORD_ACT_PTR_MSB_SHIFT 0 | |
| 43 | #define TF_LKUP_RECORD_ACT_PTR_MSB_MASK 0x00000001 | |
| 44 | }; | |
| 45 | ||
| 46 | /** EEM Entry | |
| 47 | * Each EEM entry is 512-bit (64-bytes) | |
| 48 | */ | |
| 49 | struct tf_eem_64b_entry { | |
| 50 | /** Key is 448 bits - 56 bytes */ | |
| 51 | uint8_t key[TF_EM_KEY_RECORD_SIZE - sizeof(struct tf_eem_entry_hdr)]; | |
| 52 | /** Header is 8 bytes long */ | |
| 53 | struct tf_eem_entry_hdr hdr; | |
| 54 | }; | |
| 55 | ||
| 56 | /** | |
| 57 | * Allocates EEM Table scope | |
| 58 | * | |
| 59 | * [in] tfp | |
| 60 | * Pointer to TruFlow handle | |
| 61 | * | |
| 62 | * [in] parms | |
| 63 | * Pointer to input parameters | |
| 64 | * | |
| 65 | * Returns: | |
| 66 | * 0 - Success | |
| 67 | * -EINVAL - Parameter error | |
| 68 | * -ENOMEM - Out of memory | |
| 69 | */ | |
| 70 | int tf_alloc_eem_tbl_scope(struct tf *tfp, | |
| 71 | struct tf_alloc_tbl_scope_parms *parms); | |
| 72 | ||
| 73 | /** | |
| 74 | * Free's EEM Table scope control block | |
| 75 | * | |
| 76 | * [in] tfp | |
| 77 | * Pointer to TruFlow handle | |
| 78 | * | |
| 79 | * [in] parms | |
| 80 | * Pointer to input parameters | |
| 81 | * | |
| 82 | * Returns: | |
| 83 | * 0 - Success | |
| 84 | * -EINVAL - Parameter error | |
| 85 | */ | |
| 86 | int tf_free_eem_tbl_scope_cb(struct tf *tfp, | |
| 87 | struct tf_free_tbl_scope_parms *parms); | |
| 88 | ||
| 89 | /** | |
| 90 | * Function to search for table scope control block structure | |
| 91 | * with specified table scope ID. | |
| 92 | * | |
| 93 | * [in] session | |
| 94 | * Session to use for the search of the table scope control block | |
| 95 | * [in] tbl_scope_id | |
| 96 | * Table scope ID to search for | |
| 97 | * | |
| 98 | * Returns: | |
| 99 | * Pointer to the found table scope control block struct or NULL if | |
| 100 | * table scope control block struct not found | |
| 101 | */ | |
| 102 | struct tf_tbl_scope_cb *tbl_scope_cb_find(struct tf_session *session, | |
| 103 | uint32_t tbl_scope_id); | |
| 104 | ||
| 105 | int tf_insert_eem_entry(struct tf_session *session, | |
| 106 | struct tf_tbl_scope_cb *tbl_scope_cb, | |
| 107 | struct tf_insert_em_entry_parms *parms); | |
| 108 | ||
| 109 | int tf_delete_eem_entry(struct tf *tfp, | |
| 110 | struct tf_delete_em_entry_parms *parms); | |
| 111 | ||
| 112 | void *tf_em_get_table_page(struct tf_tbl_scope_cb *tbl_scope_cb, | |
| 113 | enum tf_dir dir, | |
| 114 | uint32_t offset, | |
| 115 | enum tf_em_table_type table_type); | |
| 116 | ||
| 117 | #endif /* _TF_EM_H_ */ |