1 /* SPDX-License-Identifier: BSD-3-Clause
2  * Copyright (C) 2019 Marvell International Ltd.
3  */
4 
5 #ifndef _OTX2_CRYPTODEV_HW_ACCESS_H_
6 #define _OTX2_CRYPTODEV_HW_ACCESS_H_
7 
8 #include <stdint.h>
9 
10 #include <rte_cryptodev.h>
11 #include <rte_memory.h>
12 
13 #include "cpt_common.h"
14 #include "cpt_hw_types.h"
15 #include "cpt_mcode_defines.h"
16 
17 #include "otx2_dev.h"
18 #include "otx2_cryptodev_qp.h"
19 
20 /* CPT instruction queue length */
21 #define OTX2_CPT_IQ_LEN			8200
22 
23 #define OTX2_CPT_DEFAULT_CMD_QLEN	OTX2_CPT_IQ_LEN
24 
25 /* Mask which selects all engine groups */
26 #define OTX2_CPT_ENG_GRPS_MASK		0xFF
27 
28 /* Register offsets */
29 
30 /* LMT LF registers */
31 #define OTX2_LMT_LF_LMTLINE(a)		(0x0ull | (uint64_t)(a) << 3)
32 
33 /* CPT LF registers */
34 #define OTX2_CPT_LF_CTL			0x10ull
35 #define OTX2_CPT_LF_INPROG		0x40ull
36 #define OTX2_CPT_LF_MISC_INT		0xb0ull
37 #define OTX2_CPT_LF_MISC_INT_ENA_W1S	0xd0ull
38 #define OTX2_CPT_LF_MISC_INT_ENA_W1C	0xe0ull
39 #define OTX2_CPT_LF_Q_BASE		0xf0ull
40 #define OTX2_CPT_LF_Q_SIZE		0x100ull
41 #define OTX2_CPT_LF_Q_GRP_PTR		0x120ull
42 #define OTX2_CPT_LF_NQ(a)		(0x400ull | (uint64_t)(a) << 3)
43 
44 #define OTX2_CPT_AF_LF_CTL(a)		(0x27000ull | (uint64_t)(a) << 3)
45 #define OTX2_CPT_AF_LF_CTL2(a)		(0x29000ull | (uint64_t)(a) << 3)
46 
47 #define OTX2_CPT_LF_BAR2(vf, q_id) \
48 		((vf)->otx2_dev.bar2 + \
49 		 ((RVU_BLOCK_ADDR_CPT0 << 20) | ((q_id) << 12)))
50 
51 #define OTX2_CPT_QUEUE_HI_PRIO 0x1
52 
53 union otx2_cpt_lf_ctl {
54 	uint64_t u;
55 	struct {
56 		uint64_t ena                         : 1;
57 		uint64_t fc_ena                      : 1;
58 		uint64_t fc_up_crossing              : 1;
59 		uint64_t reserved_3_3                : 1;
60 		uint64_t fc_hyst_bits                : 4;
61 		uint64_t reserved_8_63               : 56;
62 	} s;
63 };
64 
65 union otx2_cpt_lf_inprog {
66 	uint64_t u;
67 	struct {
68 		uint64_t inflight                    : 9;
69 		uint64_t reserved_9_15               : 7;
70 		uint64_t eena                        : 1;
71 		uint64_t grp_drp                     : 1;
72 		uint64_t reserved_18_30              : 13;
73 		uint64_t grb_partial                 : 1;
74 		uint64_t grb_cnt                     : 8;
75 		uint64_t gwb_cnt                     : 8;
76 		uint64_t reserved_48_63              : 16;
77 	} s;
78 };
79 
80 union otx2_cpt_lf_q_base {
81 	uint64_t u;
82 	struct {
83 		uint64_t fault                       : 1;
84 		uint64_t stopped                     : 1;
85 		uint64_t reserved_2_6                : 5;
86 		uint64_t addr                        : 46;
87 		uint64_t reserved_53_63              : 11;
88 	} s;
89 };
90 
91 union otx2_cpt_lf_q_size {
92 	uint64_t u;
93 	struct {
94 		uint64_t size_div40                  : 15;
95 		uint64_t reserved_15_63              : 49;
96 	} s;
97 };
98 
99 union otx2_cpt_af_lf_ctl {
100 	uint64_t u;
101 	struct {
102 		uint64_t pri                         : 1;
103 		uint64_t reserved_1_8                : 8;
104 		uint64_t pf_func_inst                : 1;
105 		uint64_t cont_err                    : 1;
106 		uint64_t reserved_11_15              : 5;
107 		uint64_t nixtx_en                    : 1;
108 		uint64_t reserved_17_47              : 31;
109 		uint64_t grp                         : 8;
110 		uint64_t reserved_56_63              : 8;
111 	} s;
112 };
113 
114 union otx2_cpt_af_lf_ctl2 {
115 	uint64_t u;
116 	struct {
117 		uint64_t exe_no_swap                 : 1;
118 		uint64_t exe_ldwb                    : 1;
119 		uint64_t reserved_2_31               : 30;
120 		uint64_t sso_pf_func                 : 16;
121 		uint64_t nix_pf_func                 : 16;
122 	} s;
123 };
124 
125 union otx2_cpt_lf_q_grp_ptr {
126 	uint64_t u;
127 	struct {
128 		uint64_t dq_ptr                      : 15;
129 		uint64_t reserved_31_15              : 17;
130 		uint64_t nq_ptr                      : 15;
131 		uint64_t reserved_47_62              : 16;
132 		uint64_t xq_xor                      : 1;
133 	} s;
134 };
135 
136 /*
137  * Enumeration cpt_9x_comp_e
138  *
139  * CPT 9X Completion Enumeration
140  * Enumerates the values of CPT_RES_S[COMPCODE].
141  */
142 enum cpt_9x_comp_e {
143 	CPT_9X_COMP_E_NOTDONE = 0x00,
144 	CPT_9X_COMP_E_GOOD = 0x01,
145 	CPT_9X_COMP_E_FAULT = 0x02,
146 	CPT_9X_COMP_E_HWERR = 0x04,
147 	CPT_9X_COMP_E_INSTERR = 0x05,
148 	CPT_9X_COMP_E_LAST_ENTRY = 0x06
149 };
150 
151 void otx2_cpt_err_intr_unregister(const struct rte_cryptodev *dev);
152 
153 int otx2_cpt_err_intr_register(const struct rte_cryptodev *dev);
154 
155 int otx2_cpt_iq_enable(const struct rte_cryptodev *dev,
156 		       const struct otx2_cpt_qp *qp, uint8_t grp_mask,
157 		       uint8_t pri, uint32_t size_div40);
158 
159 void otx2_cpt_iq_disable(struct otx2_cpt_qp *qp);
160 
161 #endif /* _OTX2_CRYPTODEV_HW_ACCESS_H_ */
162