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Andrew Scullb4b6d4a2019-01-02 15:54:55 +00001/* SPDX-License-Identifier: GPL-2.0 */
2/*
3 * Copyright (C) 2017 Marvell
4 *
5 * Antoine Tenart <antoine.tenart@free-electrons.com>
6 */
7
8#ifndef __SAFEXCEL_H__
9#define __SAFEXCEL_H__
10
11#include <crypto/aead.h>
12#include <crypto/algapi.h>
13#include <crypto/internal/hash.h>
14#include <crypto/sha.h>
Olivier Deprez157378f2022-04-04 15:47:50 +020015#include <crypto/sha3.h>
Andrew Scullb4b6d4a2019-01-02 15:54:55 +000016#include <crypto/skcipher.h>
Olivier Deprez157378f2022-04-04 15:47:50 +020017#include <linux/types.h>
Andrew Scullb4b6d4a2019-01-02 15:54:55 +000018
David Brazdil0f672f62019-12-10 10:32:29 +000019#define EIP197_HIA_VERSION_BE 0xca35
20#define EIP197_HIA_VERSION_LE 0x35ca
21#define EIP97_VERSION_LE 0x9e61
Olivier Deprez157378f2022-04-04 15:47:50 +020022#define EIP196_VERSION_LE 0x3bc4
David Brazdil0f672f62019-12-10 10:32:29 +000023#define EIP197_VERSION_LE 0x3ac5
24#define EIP96_VERSION_LE 0x9f60
Olivier Deprez157378f2022-04-04 15:47:50 +020025#define EIP201_VERSION_LE 0x36c9
26#define EIP206_VERSION_LE 0x31ce
27#define EIP207_VERSION_LE 0x30cf
David Brazdil0f672f62019-12-10 10:32:29 +000028#define EIP197_REG_LO16(reg) (reg & 0xffff)
29#define EIP197_REG_HI16(reg) ((reg >> 16) & 0xffff)
30#define EIP197_VERSION_MASK(reg) ((reg >> 16) & 0xfff)
31#define EIP197_VERSION_SWAP(reg) (((reg & 0xf0) << 4) | \
32 ((reg >> 4) & 0xf0) | \
33 ((reg >> 12) & 0xf))
Andrew Scullb4b6d4a2019-01-02 15:54:55 +000034
Olivier Deprez157378f2022-04-04 15:47:50 +020035/* EIP197 HIA OPTIONS ENCODING */
36#define EIP197_HIA_OPT_HAS_PE_ARB BIT(29)
37
38/* EIP206 OPTIONS ENCODING */
39#define EIP206_OPT_ICE_TYPE(n) ((n>>8)&3)
40#define EIP206_OPT_OCE_TYPE(n) ((n>>10)&3)
41
42/* EIP197 OPTIONS ENCODING */
43#define EIP197_OPT_HAS_TRC BIT(31)
44
Andrew Scullb4b6d4a2019-01-02 15:54:55 +000045/* Static configuration */
46#define EIP197_DEFAULT_RING_SIZE 400
Olivier Deprez157378f2022-04-04 15:47:50 +020047#define EIP197_EMB_TOKENS 4 /* Pad CD to 16 dwords */
48#define EIP197_MAX_TOKENS 16
Andrew Scullb4b6d4a2019-01-02 15:54:55 +000049#define EIP197_MAX_RINGS 4
David Brazdil0f672f62019-12-10 10:32:29 +000050#define EIP197_FETCH_DEPTH 2
Andrew Scullb4b6d4a2019-01-02 15:54:55 +000051#define EIP197_MAX_BATCH_SZ 64
Olivier Deprez157378f2022-04-04 15:47:50 +020052#define EIP197_MAX_RING_AIC 14
Andrew Scullb4b6d4a2019-01-02 15:54:55 +000053
54#define EIP197_GFP_FLAGS(base) ((base).flags & CRYPTO_TFM_REQ_MAY_SLEEP ? \
55 GFP_KERNEL : GFP_ATOMIC)
56
57/* Custom on-stack requests (for invalidation) */
58#define EIP197_SKCIPHER_REQ_SIZE sizeof(struct skcipher_request) + \
59 sizeof(struct safexcel_cipher_req)
60#define EIP197_AHASH_REQ_SIZE sizeof(struct ahash_request) + \
61 sizeof(struct safexcel_ahash_req)
62#define EIP197_AEAD_REQ_SIZE sizeof(struct aead_request) + \
63 sizeof(struct safexcel_cipher_req)
64#define EIP197_REQUEST_ON_STACK(name, type, size) \
65 char __##name##_desc[size] CRYPTO_MINALIGN_ATTR; \
66 struct type##_request *name = (void *)__##name##_desc
67
David Brazdil0f672f62019-12-10 10:32:29 +000068/* Xilinx dev board base offsets */
69#define EIP197_XLX_GPIO_BASE 0x200000
70#define EIP197_XLX_IRQ_BLOCK_ID_ADDR 0x2000
71#define EIP197_XLX_IRQ_BLOCK_ID_VALUE 0x1fc2
72#define EIP197_XLX_USER_INT_ENB_MSK 0x2004
73#define EIP197_XLX_USER_INT_ENB_SET 0x2008
74#define EIP197_XLX_USER_INT_ENB_CLEAR 0x200c
75#define EIP197_XLX_USER_INT_BLOCK 0x2040
76#define EIP197_XLX_USER_INT_PEND 0x2048
77#define EIP197_XLX_USER_VECT_LUT0_ADDR 0x2080
78#define EIP197_XLX_USER_VECT_LUT0_IDENT 0x03020100
79#define EIP197_XLX_USER_VECT_LUT1_ADDR 0x2084
80#define EIP197_XLX_USER_VECT_LUT1_IDENT 0x07060504
81#define EIP197_XLX_USER_VECT_LUT2_ADDR 0x2088
82#define EIP197_XLX_USER_VECT_LUT2_IDENT 0x0b0a0908
83#define EIP197_XLX_USER_VECT_LUT3_ADDR 0x208c
84#define EIP197_XLX_USER_VECT_LUT3_IDENT 0x0f0e0d0c
85
86/* Helper defines for probe function */
87#define EIP197_IRQ_NUMBER(i, is_pci) (i + is_pci)
88
Andrew Scullb4b6d4a2019-01-02 15:54:55 +000089/* Register base offsets */
90#define EIP197_HIA_AIC(priv) ((priv)->base + (priv)->offsets.hia_aic)
91#define EIP197_HIA_AIC_G(priv) ((priv)->base + (priv)->offsets.hia_aic_g)
92#define EIP197_HIA_AIC_R(priv) ((priv)->base + (priv)->offsets.hia_aic_r)
93#define EIP197_HIA_AIC_xDR(priv) ((priv)->base + (priv)->offsets.hia_aic_xdr)
94#define EIP197_HIA_DFE(priv) ((priv)->base + (priv)->offsets.hia_dfe)
95#define EIP197_HIA_DFE_THR(priv) ((priv)->base + (priv)->offsets.hia_dfe_thr)
96#define EIP197_HIA_DSE(priv) ((priv)->base + (priv)->offsets.hia_dse)
97#define EIP197_HIA_DSE_THR(priv) ((priv)->base + (priv)->offsets.hia_dse_thr)
98#define EIP197_HIA_GEN_CFG(priv) ((priv)->base + (priv)->offsets.hia_gen_cfg)
99#define EIP197_PE(priv) ((priv)->base + (priv)->offsets.pe)
David Brazdil0f672f62019-12-10 10:32:29 +0000100#define EIP197_GLOBAL(priv) ((priv)->base + (priv)->offsets.global)
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000101
102/* EIP197 base offsets */
103#define EIP197_HIA_AIC_BASE 0x90000
104#define EIP197_HIA_AIC_G_BASE 0x90000
105#define EIP197_HIA_AIC_R_BASE 0x90800
106#define EIP197_HIA_AIC_xDR_BASE 0x80000
107#define EIP197_HIA_DFE_BASE 0x8c000
108#define EIP197_HIA_DFE_THR_BASE 0x8c040
109#define EIP197_HIA_DSE_BASE 0x8d000
110#define EIP197_HIA_DSE_THR_BASE 0x8d040
111#define EIP197_HIA_GEN_CFG_BASE 0xf0000
112#define EIP197_PE_BASE 0xa0000
David Brazdil0f672f62019-12-10 10:32:29 +0000113#define EIP197_GLOBAL_BASE 0xf0000
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000114
115/* EIP97 base offsets */
116#define EIP97_HIA_AIC_BASE 0x0
117#define EIP97_HIA_AIC_G_BASE 0x0
118#define EIP97_HIA_AIC_R_BASE 0x0
119#define EIP97_HIA_AIC_xDR_BASE 0x0
120#define EIP97_HIA_DFE_BASE 0xf000
121#define EIP97_HIA_DFE_THR_BASE 0xf200
122#define EIP97_HIA_DSE_BASE 0xf400
123#define EIP97_HIA_DSE_THR_BASE 0xf600
124#define EIP97_HIA_GEN_CFG_BASE 0x10000
125#define EIP97_PE_BASE 0x10000
David Brazdil0f672f62019-12-10 10:32:29 +0000126#define EIP97_GLOBAL_BASE 0x10000
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000127
128/* CDR/RDR register offsets */
129#define EIP197_HIA_xDR_OFF(priv, r) (EIP197_HIA_AIC_xDR(priv) + (r) * 0x1000)
130#define EIP197_HIA_CDR(priv, r) (EIP197_HIA_xDR_OFF(priv, r))
131#define EIP197_HIA_RDR(priv, r) (EIP197_HIA_xDR_OFF(priv, r) + 0x800)
132#define EIP197_HIA_xDR_RING_BASE_ADDR_LO 0x0000
133#define EIP197_HIA_xDR_RING_BASE_ADDR_HI 0x0004
134#define EIP197_HIA_xDR_RING_SIZE 0x0018
135#define EIP197_HIA_xDR_DESC_SIZE 0x001c
136#define EIP197_HIA_xDR_CFG 0x0020
137#define EIP197_HIA_xDR_DMA_CFG 0x0024
138#define EIP197_HIA_xDR_THRESH 0x0028
139#define EIP197_HIA_xDR_PREP_COUNT 0x002c
140#define EIP197_HIA_xDR_PROC_COUNT 0x0030
141#define EIP197_HIA_xDR_PREP_PNTR 0x0034
142#define EIP197_HIA_xDR_PROC_PNTR 0x0038
143#define EIP197_HIA_xDR_STAT 0x003c
144
145/* register offsets */
146#define EIP197_HIA_DFE_CFG(n) (0x0000 + (128 * (n)))
147#define EIP197_HIA_DFE_THR_CTRL(n) (0x0000 + (128 * (n)))
148#define EIP197_HIA_DFE_THR_STAT(n) (0x0004 + (128 * (n)))
149#define EIP197_HIA_DSE_CFG(n) (0x0000 + (128 * (n)))
150#define EIP197_HIA_DSE_THR_CTRL(n) (0x0000 + (128 * (n)))
151#define EIP197_HIA_DSE_THR_STAT(n) (0x0004 + (128 * (n)))
152#define EIP197_HIA_RA_PE_CTRL(n) (0x0010 + (8 * (n)))
153#define EIP197_HIA_RA_PE_STAT 0x0014
154#define EIP197_HIA_AIC_R_OFF(r) ((r) * 0x1000)
155#define EIP197_HIA_AIC_R_ENABLE_CTRL(r) (0xe008 - EIP197_HIA_AIC_R_OFF(r))
156#define EIP197_HIA_AIC_R_ENABLED_STAT(r) (0xe010 - EIP197_HIA_AIC_R_OFF(r))
157#define EIP197_HIA_AIC_R_ACK(r) (0xe010 - EIP197_HIA_AIC_R_OFF(r))
158#define EIP197_HIA_AIC_R_ENABLE_CLR(r) (0xe014 - EIP197_HIA_AIC_R_OFF(r))
Olivier Deprez157378f2022-04-04 15:47:50 +0200159#define EIP197_HIA_AIC_R_VERSION(r) (0xe01c - EIP197_HIA_AIC_R_OFF(r))
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000160#define EIP197_HIA_AIC_G_ENABLE_CTRL 0xf808
161#define EIP197_HIA_AIC_G_ENABLED_STAT 0xf810
162#define EIP197_HIA_AIC_G_ACK 0xf810
163#define EIP197_HIA_MST_CTRL 0xfff4
164#define EIP197_HIA_OPTIONS 0xfff8
165#define EIP197_HIA_VERSION 0xfffc
166#define EIP197_PE_IN_DBUF_THRES(n) (0x0000 + (0x2000 * (n)))
167#define EIP197_PE_IN_TBUF_THRES(n) (0x0100 + (0x2000 * (n)))
168#define EIP197_PE_ICE_SCRATCH_RAM(n) (0x0800 + (0x2000 * (n)))
169#define EIP197_PE_ICE_PUE_CTRL(n) (0x0c80 + (0x2000 * (n)))
David Brazdil0f672f62019-12-10 10:32:29 +0000170#define EIP197_PE_ICE_PUTF_CTRL(n) (0x0d00 + (0x2000 * (n)))
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000171#define EIP197_PE_ICE_SCRATCH_CTRL(n) (0x0d04 + (0x2000 * (n)))
172#define EIP197_PE_ICE_FPP_CTRL(n) (0x0d80 + (0x2000 * (n)))
David Brazdil0f672f62019-12-10 10:32:29 +0000173#define EIP197_PE_ICE_PPTF_CTRL(n) (0x0e00 + (0x2000 * (n)))
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000174#define EIP197_PE_ICE_RAM_CTRL(n) (0x0ff0 + (0x2000 * (n)))
Olivier Deprez157378f2022-04-04 15:47:50 +0200175#define EIP197_PE_ICE_VERSION(n) (0x0ffc + (0x2000 * (n)))
David Brazdil0f672f62019-12-10 10:32:29 +0000176#define EIP197_PE_EIP96_TOKEN_CTRL(n) (0x1000 + (0x2000 * (n)))
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000177#define EIP197_PE_EIP96_FUNCTION_EN(n) (0x1004 + (0x2000 * (n)))
178#define EIP197_PE_EIP96_CONTEXT_CTRL(n) (0x1008 + (0x2000 * (n)))
179#define EIP197_PE_EIP96_CONTEXT_STAT(n) (0x100c + (0x2000 * (n)))
Olivier Deprez157378f2022-04-04 15:47:50 +0200180#define EIP197_PE_EIP96_TOKEN_CTRL2(n) (0x102c + (0x2000 * (n)))
David Brazdil0f672f62019-12-10 10:32:29 +0000181#define EIP197_PE_EIP96_FUNCTION2_EN(n) (0x1030 + (0x2000 * (n)))
182#define EIP197_PE_EIP96_OPTIONS(n) (0x13f8 + (0x2000 * (n)))
183#define EIP197_PE_EIP96_VERSION(n) (0x13fc + (0x2000 * (n)))
Olivier Deprez157378f2022-04-04 15:47:50 +0200184#define EIP197_PE_OCE_VERSION(n) (0x1bfc + (0x2000 * (n)))
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000185#define EIP197_PE_OUT_DBUF_THRES(n) (0x1c00 + (0x2000 * (n)))
186#define EIP197_PE_OUT_TBUF_THRES(n) (0x1d00 + (0x2000 * (n)))
Olivier Deprez157378f2022-04-04 15:47:50 +0200187#define EIP197_PE_PSE_VERSION(n) (0x1efc + (0x2000 * (n)))
188#define EIP197_PE_DEBUG(n) (0x1ff4 + (0x2000 * (n)))
189#define EIP197_PE_OPTIONS(n) (0x1ff8 + (0x2000 * (n)))
190#define EIP197_PE_VERSION(n) (0x1ffc + (0x2000 * (n)))
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000191#define EIP197_MST_CTRL 0xfff4
Olivier Deprez157378f2022-04-04 15:47:50 +0200192#define EIP197_OPTIONS 0xfff8
David Brazdil0f672f62019-12-10 10:32:29 +0000193#define EIP197_VERSION 0xfffc
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000194
195/* EIP197-specific registers, no indirection */
196#define EIP197_CLASSIFICATION_RAMS 0xe0000
197#define EIP197_TRC_CTRL 0xf0800
198#define EIP197_TRC_LASTRES 0xf0804
199#define EIP197_TRC_REGINDEX 0xf0808
200#define EIP197_TRC_PARAMS 0xf0820
201#define EIP197_TRC_FREECHAIN 0xf0824
202#define EIP197_TRC_PARAMS2 0xf0828
203#define EIP197_TRC_ECCCTRL 0xf0830
204#define EIP197_TRC_ECCSTAT 0xf0834
205#define EIP197_TRC_ECCADMINSTAT 0xf0838
206#define EIP197_TRC_ECCDATASTAT 0xf083c
207#define EIP197_TRC_ECCDATA 0xf0840
Olivier Deprez157378f2022-04-04 15:47:50 +0200208#define EIP197_STRC_CONFIG 0xf43f0
David Brazdil0f672f62019-12-10 10:32:29 +0000209#define EIP197_FLUE_CACHEBASE_LO(n) (0xf6000 + (32 * (n)))
210#define EIP197_FLUE_CACHEBASE_HI(n) (0xf6004 + (32 * (n)))
211#define EIP197_FLUE_CONFIG(n) (0xf6010 + (32 * (n)))
212#define EIP197_FLUE_OFFSETS 0xf6808
213#define EIP197_FLUE_ARC4_OFFSET 0xf680c
214#define EIP197_FLUE_IFC_LUT(n) (0xf6820 + (4 * (n)))
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000215#define EIP197_CS_RAM_CTRL 0xf7ff0
216
217/* EIP197_HIA_xDR_DESC_SIZE */
218#define EIP197_xDR_DESC_MODE_64BIT BIT(31)
Olivier Deprez157378f2022-04-04 15:47:50 +0200219#define EIP197_CDR_DESC_MODE_ADCP BIT(30)
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000220
221/* EIP197_HIA_xDR_DMA_CFG */
222#define EIP197_HIA_xDR_WR_RES_BUF BIT(22)
223#define EIP197_HIA_xDR_WR_CTRL_BUF BIT(23)
224#define EIP197_HIA_xDR_WR_OWN_BUF BIT(24)
225#define EIP197_HIA_xDR_CFG_WR_CACHE(n) (((n) & 0x7) << 25)
226#define EIP197_HIA_xDR_CFG_RD_CACHE(n) (((n) & 0x7) << 29)
227
228/* EIP197_HIA_CDR_THRESH */
229#define EIP197_HIA_CDR_THRESH_PROC_PKT(n) (n)
230#define EIP197_HIA_CDR_THRESH_PROC_MODE BIT(22)
231#define EIP197_HIA_CDR_THRESH_PKT_MODE BIT(23)
232#define EIP197_HIA_CDR_THRESH_TIMEOUT(n) ((n) << 24) /* x256 clk cycles */
233
234/* EIP197_HIA_RDR_THRESH */
235#define EIP197_HIA_RDR_THRESH_PROC_PKT(n) (n)
236#define EIP197_HIA_RDR_THRESH_PKT_MODE BIT(23)
237#define EIP197_HIA_RDR_THRESH_TIMEOUT(n) ((n) << 24) /* x256 clk cycles */
238
239/* EIP197_HIA_xDR_PREP_COUNT */
240#define EIP197_xDR_PREP_CLR_COUNT BIT(31)
241
242/* EIP197_HIA_xDR_PROC_COUNT */
243#define EIP197_xDR_PROC_xD_PKT_OFFSET 24
244#define EIP197_xDR_PROC_xD_PKT_MASK GENMASK(6, 0)
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000245#define EIP197_xDR_PROC_xD_PKT(n) ((n) << 24)
246#define EIP197_xDR_PROC_CLR_COUNT BIT(31)
247
248/* EIP197_HIA_xDR_STAT */
249#define EIP197_xDR_DMA_ERR BIT(0)
250#define EIP197_xDR_PREP_CMD_THRES BIT(1)
251#define EIP197_xDR_ERR BIT(2)
252#define EIP197_xDR_THRESH BIT(4)
253#define EIP197_xDR_TIMEOUT BIT(5)
254
255#define EIP197_HIA_RA_PE_CTRL_RESET BIT(31)
256#define EIP197_HIA_RA_PE_CTRL_EN BIT(30)
257
258/* EIP197_HIA_OPTIONS */
Olivier Deprez157378f2022-04-04 15:47:50 +0200259#define EIP197_N_RINGS_OFFSET 0
260#define EIP197_N_RINGS_MASK GENMASK(3, 0)
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000261#define EIP197_N_PES_OFFSET 4
262#define EIP197_N_PES_MASK GENMASK(4, 0)
263#define EIP97_N_PES_MASK GENMASK(2, 0)
David Brazdil0f672f62019-12-10 10:32:29 +0000264#define EIP197_HWDATAW_OFFSET 25
265#define EIP197_HWDATAW_MASK GENMASK(3, 0)
266#define EIP97_HWDATAW_MASK GENMASK(2, 0)
267#define EIP197_CFSIZE_OFFSET 9
268#define EIP197_CFSIZE_ADJUST 4
269#define EIP97_CFSIZE_OFFSET 8
Olivier Deprez157378f2022-04-04 15:47:50 +0200270#define EIP197_CFSIZE_MASK GENMASK(2, 0)
271#define EIP97_CFSIZE_MASK GENMASK(3, 0)
David Brazdil0f672f62019-12-10 10:32:29 +0000272#define EIP197_RFSIZE_OFFSET 12
273#define EIP197_RFSIZE_ADJUST 4
274#define EIP97_RFSIZE_OFFSET 12
Olivier Deprez157378f2022-04-04 15:47:50 +0200275#define EIP197_RFSIZE_MASK GENMASK(2, 0)
276#define EIP97_RFSIZE_MASK GENMASK(3, 0)
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000277
278/* EIP197_HIA_AIC_R_ENABLE_CTRL */
279#define EIP197_CDR_IRQ(n) BIT((n) * 2)
280#define EIP197_RDR_IRQ(n) BIT((n) * 2 + 1)
281
282/* EIP197_HIA_DFE/DSE_CFG */
283#define EIP197_HIA_DxE_CFG_MIN_DATA_SIZE(n) ((n) << 0)
284#define EIP197_HIA_DxE_CFG_DATA_CACHE_CTRL(n) (((n) & 0x7) << 4)
285#define EIP197_HIA_DxE_CFG_MAX_DATA_SIZE(n) ((n) << 8)
286#define EIP197_HIA_DSE_CFG_ALWAYS_BUFFERABLE GENMASK(15, 14)
287#define EIP197_HIA_DxE_CFG_MIN_CTRL_SIZE(n) ((n) << 16)
288#define EIP197_HIA_DxE_CFG_CTRL_CACHE_CTRL(n) (((n) & 0x7) << 20)
289#define EIP197_HIA_DxE_CFG_MAX_CTRL_SIZE(n) ((n) << 24)
Olivier Deprez157378f2022-04-04 15:47:50 +0200290#define EIP197_HIA_DFE_CFG_DIS_DEBUG GENMASK(31, 29)
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000291#define EIP197_HIA_DSE_CFG_EN_SINGLE_WR BIT(29)
Olivier Deprez157378f2022-04-04 15:47:50 +0200292#define EIP197_HIA_DSE_CFG_DIS_DEBUG GENMASK(31, 30)
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000293
294/* EIP197_HIA_DFE/DSE_THR_CTRL */
295#define EIP197_DxE_THR_CTRL_EN BIT(30)
296#define EIP197_DxE_THR_CTRL_RESET_PE BIT(31)
297
David Brazdil0f672f62019-12-10 10:32:29 +0000298/* EIP197_PE_ICE_PUE/FPP_CTRL */
299#define EIP197_PE_ICE_UENG_START_OFFSET(n) ((n) << 16)
300#define EIP197_PE_ICE_UENG_INIT_ALIGN_MASK 0x7ff0
301#define EIP197_PE_ICE_UENG_DEBUG_RESET BIT(3)
302
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000303/* EIP197_HIA_AIC_G_ENABLED_STAT */
304#define EIP197_G_IRQ_DFE(n) BIT((n) << 1)
305#define EIP197_G_IRQ_DSE(n) BIT(((n) << 1) + 1)
306#define EIP197_G_IRQ_RING BIT(16)
307#define EIP197_G_IRQ_PE(n) BIT((n) + 20)
308
309/* EIP197_HIA_MST_CTRL */
310#define RD_CACHE_3BITS 0x5
311#define WR_CACHE_3BITS 0x3
312#define RD_CACHE_4BITS (RD_CACHE_3BITS << 1 | BIT(0))
313#define WR_CACHE_4BITS (WR_CACHE_3BITS << 1 | BIT(0))
314#define EIP197_MST_CTRL_RD_CACHE(n) (((n) & 0xf) << 0)
315#define EIP197_MST_CTRL_WD_CACHE(n) (((n) & 0xf) << 4)
316#define EIP197_MST_CTRL_TX_MAX_CMD(n) (((n) & 0xf) << 20)
317#define EIP197_MST_CTRL_BYTE_SWAP BIT(24)
318#define EIP197_MST_CTRL_NO_BYTE_SWAP BIT(25)
David Brazdil0f672f62019-12-10 10:32:29 +0000319#define EIP197_MST_CTRL_BYTE_SWAP_BITS GENMASK(25, 24)
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000320
321/* EIP197_PE_IN_DBUF/TBUF_THRES */
322#define EIP197_PE_IN_xBUF_THRES_MIN(n) ((n) << 8)
323#define EIP197_PE_IN_xBUF_THRES_MAX(n) ((n) << 12)
324
325/* EIP197_PE_OUT_DBUF_THRES */
326#define EIP197_PE_OUT_DBUF_THRES_MIN(n) ((n) << 0)
327#define EIP197_PE_OUT_DBUF_THRES_MAX(n) ((n) << 4)
328
329/* EIP197_PE_ICE_SCRATCH_CTRL */
330#define EIP197_PE_ICE_SCRATCH_CTRL_CHANGE_TIMER BIT(2)
331#define EIP197_PE_ICE_SCRATCH_CTRL_TIMER_EN BIT(3)
332#define EIP197_PE_ICE_SCRATCH_CTRL_CHANGE_ACCESS BIT(24)
333#define EIP197_PE_ICE_SCRATCH_CTRL_SCRATCH_ACCESS BIT(25)
334
335/* EIP197_PE_ICE_SCRATCH_RAM */
336#define EIP197_NUM_OF_SCRATCH_BLOCKS 32
337
338/* EIP197_PE_ICE_PUE/FPP_CTRL */
339#define EIP197_PE_ICE_x_CTRL_SW_RESET BIT(0)
340#define EIP197_PE_ICE_x_CTRL_CLR_ECC_NON_CORR BIT(14)
341#define EIP197_PE_ICE_x_CTRL_CLR_ECC_CORR BIT(15)
342
343/* EIP197_PE_ICE_RAM_CTRL */
344#define EIP197_PE_ICE_RAM_CTRL_PUE_PROG_EN BIT(0)
345#define EIP197_PE_ICE_RAM_CTRL_FPP_PROG_EN BIT(1)
346
David Brazdil0f672f62019-12-10 10:32:29 +0000347/* EIP197_PE_EIP96_TOKEN_CTRL */
348#define EIP197_PE_EIP96_TOKEN_CTRL_CTX_UPDATES BIT(16)
349#define EIP197_PE_EIP96_TOKEN_CTRL_NO_TOKEN_WAIT BIT(17)
350#define EIP197_PE_EIP96_TOKEN_CTRL_ENABLE_TIMEOUT BIT(22)
351
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000352/* EIP197_PE_EIP96_FUNCTION_EN */
David Brazdil0f672f62019-12-10 10:32:29 +0000353#define EIP197_FUNCTION_ALL 0xffffffff
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000354
355/* EIP197_PE_EIP96_CONTEXT_CTRL */
356#define EIP197_CONTEXT_SIZE(n) (n)
357#define EIP197_ADDRESS_MODE BIT(8)
358#define EIP197_CONTROL_MODE BIT(9)
359
Olivier Deprez157378f2022-04-04 15:47:50 +0200360/* EIP197_PE_EIP96_TOKEN_CTRL2 */
361#define EIP197_PE_EIP96_TOKEN_CTRL2_CTX_DONE BIT(3)
362
363/* EIP197_PE_DEBUG */
364#define EIP197_DEBUG_OCE_BYPASS BIT(1)
365
366/* EIP197_STRC_CONFIG */
367#define EIP197_STRC_CONFIG_INIT BIT(31)
368#define EIP197_STRC_CONFIG_LARGE_REC(s) (s<<8)
369#define EIP197_STRC_CONFIG_SMALL_REC(s) (s<<0)
370
David Brazdil0f672f62019-12-10 10:32:29 +0000371/* EIP197_FLUE_CONFIG */
372#define EIP197_FLUE_CONFIG_MAGIC 0xc7000004
373
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000374/* Context Control */
375struct safexcel_context_record {
Olivier Deprez157378f2022-04-04 15:47:50 +0200376 __le32 control0;
377 __le32 control1;
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000378
379 __le32 data[40];
380} __packed;
381
382/* control0 */
383#define CONTEXT_CONTROL_TYPE_NULL_OUT 0x0
384#define CONTEXT_CONTROL_TYPE_NULL_IN 0x1
385#define CONTEXT_CONTROL_TYPE_HASH_OUT 0x2
386#define CONTEXT_CONTROL_TYPE_HASH_IN 0x3
387#define CONTEXT_CONTROL_TYPE_CRYPTO_OUT 0x4
388#define CONTEXT_CONTROL_TYPE_CRYPTO_IN 0x5
389#define CONTEXT_CONTROL_TYPE_ENCRYPT_HASH_OUT 0x6
390#define CONTEXT_CONTROL_TYPE_DECRYPT_HASH_IN 0x7
391#define CONTEXT_CONTROL_TYPE_HASH_ENCRYPT_OUT 0xe
392#define CONTEXT_CONTROL_TYPE_HASH_DECRYPT_IN 0xf
393#define CONTEXT_CONTROL_RESTART_HASH BIT(4)
394#define CONTEXT_CONTROL_NO_FINISH_HASH BIT(5)
395#define CONTEXT_CONTROL_SIZE(n) ((n) << 8)
396#define CONTEXT_CONTROL_KEY_EN BIT(16)
397#define CONTEXT_CONTROL_CRYPTO_ALG_DES (0x0 << 17)
398#define CONTEXT_CONTROL_CRYPTO_ALG_3DES (0x2 << 17)
399#define CONTEXT_CONTROL_CRYPTO_ALG_AES128 (0x5 << 17)
400#define CONTEXT_CONTROL_CRYPTO_ALG_AES192 (0x6 << 17)
401#define CONTEXT_CONTROL_CRYPTO_ALG_AES256 (0x7 << 17)
Olivier Deprez157378f2022-04-04 15:47:50 +0200402#define CONTEXT_CONTROL_CRYPTO_ALG_CHACHA20 (0x8 << 17)
403#define CONTEXT_CONTROL_CRYPTO_ALG_SM4 (0xd << 17)
404#define CONTEXT_CONTROL_DIGEST_INITIAL (0x0 << 21)
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000405#define CONTEXT_CONTROL_DIGEST_PRECOMPUTED (0x1 << 21)
David Brazdil0f672f62019-12-10 10:32:29 +0000406#define CONTEXT_CONTROL_DIGEST_XCM (0x2 << 21)
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000407#define CONTEXT_CONTROL_DIGEST_HMAC (0x3 << 21)
408#define CONTEXT_CONTROL_CRYPTO_ALG_MD5 (0x0 << 23)
Olivier Deprez157378f2022-04-04 15:47:50 +0200409#define CONTEXT_CONTROL_CRYPTO_ALG_CRC32 (0x0 << 23)
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000410#define CONTEXT_CONTROL_CRYPTO_ALG_SHA1 (0x2 << 23)
411#define CONTEXT_CONTROL_CRYPTO_ALG_SHA224 (0x4 << 23)
412#define CONTEXT_CONTROL_CRYPTO_ALG_SHA256 (0x3 << 23)
413#define CONTEXT_CONTROL_CRYPTO_ALG_SHA384 (0x6 << 23)
414#define CONTEXT_CONTROL_CRYPTO_ALG_SHA512 (0x5 << 23)
David Brazdil0f672f62019-12-10 10:32:29 +0000415#define CONTEXT_CONTROL_CRYPTO_ALG_GHASH (0x4 << 23)
416#define CONTEXT_CONTROL_CRYPTO_ALG_XCBC128 (0x1 << 23)
417#define CONTEXT_CONTROL_CRYPTO_ALG_XCBC192 (0x2 << 23)
418#define CONTEXT_CONTROL_CRYPTO_ALG_XCBC256 (0x3 << 23)
Olivier Deprez157378f2022-04-04 15:47:50 +0200419#define CONTEXT_CONTROL_CRYPTO_ALG_SM3 (0x7 << 23)
420#define CONTEXT_CONTROL_CRYPTO_ALG_SHA3_256 (0xb << 23)
421#define CONTEXT_CONTROL_CRYPTO_ALG_SHA3_224 (0xc << 23)
422#define CONTEXT_CONTROL_CRYPTO_ALG_SHA3_512 (0xd << 23)
423#define CONTEXT_CONTROL_CRYPTO_ALG_SHA3_384 (0xe << 23)
424#define CONTEXT_CONTROL_CRYPTO_ALG_POLY1305 (0xf << 23)
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000425#define CONTEXT_CONTROL_INV_FR (0x5 << 24)
426#define CONTEXT_CONTROL_INV_TR (0x6 << 24)
427
428/* control1 */
429#define CONTEXT_CONTROL_CRYPTO_MODE_ECB (0 << 0)
430#define CONTEXT_CONTROL_CRYPTO_MODE_CBC (1 << 0)
Olivier Deprez157378f2022-04-04 15:47:50 +0200431#define CONTEXT_CONTROL_CHACHA20_MODE_256_32 (2 << 0)
David Brazdil0f672f62019-12-10 10:32:29 +0000432#define CONTEXT_CONTROL_CRYPTO_MODE_OFB (4 << 0)
433#define CONTEXT_CONTROL_CRYPTO_MODE_CFB (5 << 0)
434#define CONTEXT_CONTROL_CRYPTO_MODE_CTR_LOAD (6 << 0)
435#define CONTEXT_CONTROL_CRYPTO_MODE_XTS (7 << 0)
436#define CONTEXT_CONTROL_CRYPTO_MODE_XCM ((6 << 0) | BIT(17))
Olivier Deprez157378f2022-04-04 15:47:50 +0200437#define CONTEXT_CONTROL_CHACHA20_MODE_CALC_OTK (12 << 0)
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000438#define CONTEXT_CONTROL_IV0 BIT(5)
439#define CONTEXT_CONTROL_IV1 BIT(6)
440#define CONTEXT_CONTROL_IV2 BIT(7)
441#define CONTEXT_CONTROL_IV3 BIT(8)
442#define CONTEXT_CONTROL_DIGEST_CNT BIT(9)
443#define CONTEXT_CONTROL_COUNTER_MODE BIT(10)
David Brazdil0f672f62019-12-10 10:32:29 +0000444#define CONTEXT_CONTROL_CRYPTO_STORE BIT(12)
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000445#define CONTEXT_CONTROL_HASH_STORE BIT(19)
446
David Brazdil0f672f62019-12-10 10:32:29 +0000447#define EIP197_XCM_MODE_GCM 1
448#define EIP197_XCM_MODE_CCM 2
449
Olivier Deprez157378f2022-04-04 15:47:50 +0200450#define EIP197_AEAD_TYPE_IPSEC_ESP 2
451#define EIP197_AEAD_TYPE_IPSEC_ESP_GMAC 3
452#define EIP197_AEAD_IPSEC_IV_SIZE 8
453#define EIP197_AEAD_IPSEC_NONCE_SIZE 4
454#define EIP197_AEAD_IPSEC_COUNTER_SIZE 4
455#define EIP197_AEAD_IPSEC_CCM_NONCE_SIZE 3
456
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000457/* The hash counter given to the engine in the context has a granularity of
458 * 64 bits.
459 */
460#define EIP197_COUNTER_BLOCK_SIZE 64
461
462/* EIP197_CS_RAM_CTRL */
463#define EIP197_TRC_ENABLE_0 BIT(4)
464#define EIP197_TRC_ENABLE_1 BIT(5)
465#define EIP197_TRC_ENABLE_2 BIT(6)
466#define EIP197_TRC_ENABLE_MASK GENMASK(6, 4)
David Brazdil0f672f62019-12-10 10:32:29 +0000467#define EIP197_CS_BANKSEL_MASK GENMASK(14, 12)
468#define EIP197_CS_BANKSEL_OFS 12
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000469
470/* EIP197_TRC_PARAMS */
471#define EIP197_TRC_PARAMS_SW_RESET BIT(0)
472#define EIP197_TRC_PARAMS_DATA_ACCESS BIT(2)
473#define EIP197_TRC_PARAMS_HTABLE_SZ(x) ((x) << 4)
474#define EIP197_TRC_PARAMS_BLK_TIMER_SPEED(x) ((x) << 10)
475#define EIP197_TRC_PARAMS_RC_SZ_LARGE(n) ((n) << 18)
476
477/* EIP197_TRC_FREECHAIN */
478#define EIP197_TRC_FREECHAIN_HEAD_PTR(p) (p)
479#define EIP197_TRC_FREECHAIN_TAIL_PTR(p) ((p) << 16)
480
481/* EIP197_TRC_PARAMS2 */
482#define EIP197_TRC_PARAMS2_HTABLE_PTR(p) (p)
483#define EIP197_TRC_PARAMS2_RC_SZ_SMALL(n) ((n) << 18)
484
485/* Cache helpers */
Olivier Deprez157378f2022-04-04 15:47:50 +0200486#define EIP197_MIN_DSIZE 1024
487#define EIP197_MIN_ASIZE 8
David Brazdil0f672f62019-12-10 10:32:29 +0000488#define EIP197_CS_TRC_REC_WC 64
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000489#define EIP197_CS_RC_SIZE (4 * sizeof(u32))
490#define EIP197_CS_RC_NEXT(x) (x)
491#define EIP197_CS_RC_PREV(x) ((x) << 10)
492#define EIP197_RC_NULL 0x3ff
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000493
494/* Result data */
495struct result_data_desc {
496 u32 packet_length:17;
497 u32 error_code:15;
498
499 u8 bypass_length:4;
500 u8 e15:1;
501 u16 rsvd0;
502 u8 hash_bytes:1;
503 u8 hash_length:6;
504 u8 generic_bytes:1;
505 u8 checksum:1;
506 u8 next_header:1;
507 u8 length:1;
508
509 u16 application_id;
510 u16 rsvd1;
511
Olivier Deprez157378f2022-04-04 15:47:50 +0200512 u32 rsvd2[5];
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000513} __packed;
514
515
516/* Basic Result Descriptor format */
517struct safexcel_result_desc {
518 u32 particle_size:17;
519 u8 rsvd0:3;
520 u8 descriptor_overflow:1;
521 u8 buffer_overflow:1;
522 u8 last_seg:1;
523 u8 first_seg:1;
524 u16 result_size:8;
525
526 u32 rsvd1;
527
528 u32 data_lo;
529 u32 data_hi;
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000530} __packed;
531
David Brazdil0f672f62019-12-10 10:32:29 +0000532/*
533 * The EIP(1)97 only needs to fetch the descriptor part of
534 * the result descriptor, not the result token part!
535 */
Olivier Deprez157378f2022-04-04 15:47:50 +0200536#define EIP197_RD64_FETCH_SIZE (sizeof(struct safexcel_result_desc) /\
537 sizeof(u32))
538#define EIP197_RD64_RESULT_SIZE (sizeof(struct result_data_desc) /\
David Brazdil0f672f62019-12-10 10:32:29 +0000539 sizeof(u32))
540
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000541struct safexcel_token {
542 u32 packet_length:17;
543 u8 stat:2;
544 u16 instructions:9;
545 u8 opcode:4;
546} __packed;
547
548#define EIP197_TOKEN_HASH_RESULT_VERIFY BIT(16)
549
David Brazdil0f672f62019-12-10 10:32:29 +0000550#define EIP197_TOKEN_CTX_OFFSET(x) (x)
551#define EIP197_TOKEN_DIRECTION_EXTERNAL BIT(11)
552#define EIP197_TOKEN_EXEC_IF_SUCCESSFUL (0x1 << 12)
553
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000554#define EIP197_TOKEN_STAT_LAST_HASH BIT(0)
555#define EIP197_TOKEN_STAT_LAST_PACKET BIT(1)
556#define EIP197_TOKEN_OPCODE_DIRECTION 0x0
557#define EIP197_TOKEN_OPCODE_INSERT 0x2
558#define EIP197_TOKEN_OPCODE_NOOP EIP197_TOKEN_OPCODE_INSERT
559#define EIP197_TOKEN_OPCODE_RETRIEVE 0x4
David Brazdil0f672f62019-12-10 10:32:29 +0000560#define EIP197_TOKEN_OPCODE_INSERT_REMRES 0xa
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000561#define EIP197_TOKEN_OPCODE_VERIFY 0xd
David Brazdil0f672f62019-12-10 10:32:29 +0000562#define EIP197_TOKEN_OPCODE_CTX_ACCESS 0xe
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000563#define EIP197_TOKEN_OPCODE_BYPASS GENMASK(3, 0)
564
565static inline void eip197_noop_token(struct safexcel_token *token)
566{
567 token->opcode = EIP197_TOKEN_OPCODE_NOOP;
568 token->packet_length = BIT(2);
Olivier Deprez157378f2022-04-04 15:47:50 +0200569 token->stat = 0;
570 token->instructions = 0;
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000571}
572
573/* Instructions */
574#define EIP197_TOKEN_INS_INSERT_HASH_DIGEST 0x1c
David Brazdil0f672f62019-12-10 10:32:29 +0000575#define EIP197_TOKEN_INS_ORIGIN_IV0 0x14
576#define EIP197_TOKEN_INS_ORIGIN_TOKEN 0x1b
577#define EIP197_TOKEN_INS_ORIGIN_LEN(x) ((x) << 5)
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000578#define EIP197_TOKEN_INS_TYPE_OUTPUT BIT(5)
579#define EIP197_TOKEN_INS_TYPE_HASH BIT(6)
David Brazdil0f672f62019-12-10 10:32:29 +0000580#define EIP197_TOKEN_INS_TYPE_CRYPTO BIT(7)
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000581#define EIP197_TOKEN_INS_LAST BIT(8)
582
583/* Processing Engine Control Data */
584struct safexcel_control_data_desc {
585 u32 packet_length:17;
586 u16 options:13;
587 u8 type:2;
588
589 u16 application_id;
590 u16 rsvd;
591
Olivier Deprez157378f2022-04-04 15:47:50 +0200592 u32 context_lo;
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000593 u32 context_hi;
594
595 u32 control0;
596 u32 control1;
597
Olivier Deprez157378f2022-04-04 15:47:50 +0200598 u32 token[EIP197_EMB_TOKENS];
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000599} __packed;
600
601#define EIP197_OPTION_MAGIC_VALUE BIT(0)
602#define EIP197_OPTION_64BIT_CTX BIT(1)
David Brazdil0f672f62019-12-10 10:32:29 +0000603#define EIP197_OPTION_RC_AUTO (0x2 << 3)
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000604#define EIP197_OPTION_CTX_CTRL_IN_CMD BIT(8)
605#define EIP197_OPTION_2_TOKEN_IV_CMD GENMASK(11, 10)
606#define EIP197_OPTION_4_TOKEN_IV_CMD GENMASK(11, 9)
607
Olivier Deprez157378f2022-04-04 15:47:50 +0200608#define EIP197_TYPE_BCLA 0x0
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000609#define EIP197_TYPE_EXTENDED 0x3
Olivier Deprez157378f2022-04-04 15:47:50 +0200610#define EIP197_CONTEXT_SMALL 0x2
611#define EIP197_CONTEXT_SIZE_MASK 0x3
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000612
613/* Basic Command Descriptor format */
614struct safexcel_command_desc {
615 u32 particle_size:17;
616 u8 rsvd0:5;
617 u8 last_seg:1;
618 u8 first_seg:1;
Olivier Deprez157378f2022-04-04 15:47:50 +0200619 u8 additional_cdata_size:8;
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000620
621 u32 rsvd1;
622
623 u32 data_lo;
624 u32 data_hi;
625
Olivier Deprez157378f2022-04-04 15:47:50 +0200626 u32 atok_lo;
627 u32 atok_hi;
628
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000629 struct safexcel_control_data_desc control_data;
630} __packed;
631
Olivier Deprez157378f2022-04-04 15:47:50 +0200632#define EIP197_CD64_FETCH_SIZE (sizeof(struct safexcel_command_desc) /\
633 sizeof(u32))
634
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000635/*
636 * Internal structures & functions
637 */
638
David Brazdil0f672f62019-12-10 10:32:29 +0000639#define EIP197_FW_TERMINAL_NOPS 2
640#define EIP197_FW_START_POLLCNT 16
641#define EIP197_FW_PUE_READY 0x14
642#define EIP197_FW_FPP_READY 0x18
643
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000644enum eip197_fw {
645 FW_IFPP = 0,
646 FW_IPUE,
647 FW_NB
648};
649
650struct safexcel_desc_ring {
651 void *base;
Olivier Deprez157378f2022-04-04 15:47:50 +0200652 void *shbase;
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000653 void *base_end;
Olivier Deprez157378f2022-04-04 15:47:50 +0200654 void *shbase_end;
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000655 dma_addr_t base_dma;
Olivier Deprez157378f2022-04-04 15:47:50 +0200656 dma_addr_t shbase_dma;
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000657
658 /* write and read pointers */
659 void *write;
Olivier Deprez157378f2022-04-04 15:47:50 +0200660 void *shwrite;
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000661 void *read;
662
663 /* descriptor element offset */
Olivier Deprez157378f2022-04-04 15:47:50 +0200664 unsigned int offset;
665 unsigned int shoffset;
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000666};
667
668enum safexcel_alg_type {
669 SAFEXCEL_ALG_TYPE_SKCIPHER,
670 SAFEXCEL_ALG_TYPE_AEAD,
671 SAFEXCEL_ALG_TYPE_AHASH,
672};
673
674struct safexcel_config {
675 u32 pes;
676 u32 rings;
677
678 u32 cd_size;
679 u32 cd_offset;
Olivier Deprez157378f2022-04-04 15:47:50 +0200680 u32 cdsh_offset;
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000681
682 u32 rd_size;
683 u32 rd_offset;
Olivier Deprez157378f2022-04-04 15:47:50 +0200684 u32 res_offset;
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000685};
686
687struct safexcel_work_data {
688 struct work_struct work;
689 struct safexcel_crypto_priv *priv;
690 int ring;
691};
692
693struct safexcel_ring {
694 spinlock_t lock;
695
696 struct workqueue_struct *workqueue;
697 struct safexcel_work_data work_data;
698
699 /* command/result rings */
700 struct safexcel_desc_ring cdr;
701 struct safexcel_desc_ring rdr;
702
703 /* result ring crypto API request */
704 struct crypto_async_request **rdr_req;
705
706 /* queue */
707 struct crypto_queue queue;
708 spinlock_t queue_lock;
709
710 /* Number of requests in the engine. */
711 int requests;
712
713 /* The ring is currently handling at least one request */
714 bool busy;
715
716 /* Store for current requests when bailing out of the dequeueing
717 * function when no enough resources are available.
718 */
719 struct crypto_async_request *req;
720 struct crypto_async_request *backlog;
Olivier Deprez157378f2022-04-04 15:47:50 +0200721
722 /* irq of this ring */
723 int irq;
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000724};
725
David Brazdil0f672f62019-12-10 10:32:29 +0000726/* EIP integration context flags */
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000727enum safexcel_eip_version {
David Brazdil0f672f62019-12-10 10:32:29 +0000728 /* Platform (EIP integration context) specifier */
729 EIP97IES_MRVL,
730 EIP197B_MRVL,
731 EIP197D_MRVL,
732 EIP197_DEVBRD
733};
734
735/* Priority we use for advertising our algorithms */
736#define SAFEXCEL_CRA_PRIORITY 300
737
Olivier Deprez157378f2022-04-04 15:47:50 +0200738/* SM3 digest result for zero length message */
739#define EIP197_SM3_ZEROM_HASH "\x1A\xB2\x1D\x83\x55\xCF\xA1\x7F" \
740 "\x8E\x61\x19\x48\x31\xE8\x1A\x8F" \
741 "\x22\xBE\xC8\xC7\x28\xFE\xFB\x74" \
742 "\x7E\xD0\x35\xEB\x50\x82\xAA\x2B"
743
David Brazdil0f672f62019-12-10 10:32:29 +0000744/* EIP algorithm presence flags */
745enum safexcel_eip_algorithms {
746 SAFEXCEL_ALG_BC0 = BIT(5),
747 SAFEXCEL_ALG_SM4 = BIT(6),
748 SAFEXCEL_ALG_SM3 = BIT(7),
749 SAFEXCEL_ALG_CHACHA20 = BIT(8),
750 SAFEXCEL_ALG_POLY1305 = BIT(9),
751 SAFEXCEL_SEQMASK_256 = BIT(10),
752 SAFEXCEL_SEQMASK_384 = BIT(11),
753 SAFEXCEL_ALG_AES = BIT(12),
754 SAFEXCEL_ALG_AES_XFB = BIT(13),
755 SAFEXCEL_ALG_DES = BIT(15),
756 SAFEXCEL_ALG_DES_XFB = BIT(16),
757 SAFEXCEL_ALG_ARC4 = BIT(18),
758 SAFEXCEL_ALG_AES_XTS = BIT(20),
759 SAFEXCEL_ALG_WIRELESS = BIT(21),
760 SAFEXCEL_ALG_MD5 = BIT(22),
761 SAFEXCEL_ALG_SHA1 = BIT(23),
762 SAFEXCEL_ALG_SHA2_256 = BIT(25),
763 SAFEXCEL_ALG_SHA2_512 = BIT(26),
764 SAFEXCEL_ALG_XCBC_MAC = BIT(27),
765 SAFEXCEL_ALG_CBC_MAC_ALL = BIT(29),
766 SAFEXCEL_ALG_GHASH = BIT(30),
767 SAFEXCEL_ALG_SHA3 = BIT(31),
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000768};
769
770struct safexcel_register_offsets {
771 u32 hia_aic;
772 u32 hia_aic_g;
773 u32 hia_aic_r;
774 u32 hia_aic_xdr;
775 u32 hia_dfe;
776 u32 hia_dfe_thr;
777 u32 hia_dse;
778 u32 hia_dse_thr;
779 u32 hia_gen_cfg;
780 u32 pe;
David Brazdil0f672f62019-12-10 10:32:29 +0000781 u32 global;
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000782};
783
784enum safexcel_flags {
David Brazdil0f672f62019-12-10 10:32:29 +0000785 EIP197_TRC_CACHE = BIT(0),
786 SAFEXCEL_HW_EIP197 = BIT(1),
Olivier Deprez157378f2022-04-04 15:47:50 +0200787 EIP197_PE_ARB = BIT(2),
788 EIP197_ICE = BIT(3),
789 EIP197_SIMPLE_TRC = BIT(4),
790 EIP197_OCE = BIT(5),
David Brazdil0f672f62019-12-10 10:32:29 +0000791};
792
793struct safexcel_hwconfig {
794 enum safexcel_eip_algorithms algo_flags;
795 int hwver;
796 int hiaver;
Olivier Deprez157378f2022-04-04 15:47:50 +0200797 int ppver;
798 int icever;
David Brazdil0f672f62019-12-10 10:32:29 +0000799 int pever;
Olivier Deprez157378f2022-04-04 15:47:50 +0200800 int ocever;
801 int psever;
David Brazdil0f672f62019-12-10 10:32:29 +0000802 int hwdataw;
803 int hwcfsize;
804 int hwrfsize;
Olivier Deprez157378f2022-04-04 15:47:50 +0200805 int hwnumpes;
806 int hwnumrings;
807 int hwnumraic;
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000808};
809
810struct safexcel_crypto_priv {
811 void __iomem *base;
812 struct device *dev;
813 struct clk *clk;
814 struct clk *reg_clk;
815 struct safexcel_config config;
816
817 enum safexcel_eip_version version;
818 struct safexcel_register_offsets offsets;
David Brazdil0f672f62019-12-10 10:32:29 +0000819 struct safexcel_hwconfig hwconfig;
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000820 u32 flags;
821
822 /* context DMA pool */
823 struct dma_pool *context_pool;
824
825 atomic_t ring_used;
826
827 struct safexcel_ring *ring;
828};
829
830struct safexcel_context {
831 int (*send)(struct crypto_async_request *req, int ring,
832 int *commands, int *results);
833 int (*handle_result)(struct safexcel_crypto_priv *priv, int ring,
834 struct crypto_async_request *req, bool *complete,
835 int *ret);
836 struct safexcel_context_record *ctxr;
Olivier Deprez157378f2022-04-04 15:47:50 +0200837 struct safexcel_crypto_priv *priv;
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000838 dma_addr_t ctxr_dma;
839
Olivier Deprez157378f2022-04-04 15:47:50 +0200840 union {
841 __le32 le[SHA3_512_BLOCK_SIZE / 4];
842 __be32 be[SHA3_512_BLOCK_SIZE / 4];
843 u32 word[SHA3_512_BLOCK_SIZE / 4];
844 u8 byte[SHA3_512_BLOCK_SIZE];
845 } ipad, opad;
846
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000847 int ring;
848 bool needs_inv;
849 bool exit_inv;
850};
851
David Brazdil0f672f62019-12-10 10:32:29 +0000852#define HASH_CACHE_SIZE SHA512_BLOCK_SIZE
853
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000854struct safexcel_ahash_export_state {
David Brazdil0f672f62019-12-10 10:32:29 +0000855 u64 len;
856 u64 processed;
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000857
858 u32 digest;
859
860 u32 state[SHA512_DIGEST_SIZE / sizeof(u32)];
David Brazdil0f672f62019-12-10 10:32:29 +0000861 u8 cache[HASH_CACHE_SIZE];
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000862};
863
864/*
865 * Template structure to describe the algorithms in order to register them.
866 * It also has the purpose to contain our private structure and is actually
867 * the only way I know in this framework to avoid having global pointers...
868 */
869struct safexcel_alg_template {
870 struct safexcel_crypto_priv *priv;
871 enum safexcel_alg_type type;
David Brazdil0f672f62019-12-10 10:32:29 +0000872 enum safexcel_eip_algorithms algo_mask;
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000873 union {
874 struct skcipher_alg skcipher;
875 struct aead_alg aead;
876 struct ahash_alg ahash;
877 } alg;
878};
879
880struct safexcel_inv_result {
881 struct completion completion;
882 int error;
883};
884
885void safexcel_dequeue(struct safexcel_crypto_priv *priv, int ring);
886int safexcel_rdesc_check_errors(struct safexcel_crypto_priv *priv,
Olivier Deprez157378f2022-04-04 15:47:50 +0200887 void *rdp);
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000888void safexcel_complete(struct safexcel_crypto_priv *priv, int ring);
889int safexcel_invalidate_cache(struct crypto_async_request *async,
890 struct safexcel_crypto_priv *priv,
891 dma_addr_t ctxr_dma, int ring);
892int safexcel_init_ring_descriptors(struct safexcel_crypto_priv *priv,
893 struct safexcel_desc_ring *cdr,
894 struct safexcel_desc_ring *rdr);
895int safexcel_select_ring(struct safexcel_crypto_priv *priv);
896void *safexcel_ring_next_rptr(struct safexcel_crypto_priv *priv,
897 struct safexcel_desc_ring *ring);
898void *safexcel_ring_first_rptr(struct safexcel_crypto_priv *priv, int ring);
899void safexcel_ring_rollback_wptr(struct safexcel_crypto_priv *priv,
900 struct safexcel_desc_ring *ring);
901struct safexcel_command_desc *safexcel_add_cdesc(struct safexcel_crypto_priv *priv,
902 int ring_id,
903 bool first, bool last,
904 dma_addr_t data, u32 len,
905 u32 full_data_len,
Olivier Deprez157378f2022-04-04 15:47:50 +0200906 dma_addr_t context,
907 struct safexcel_token **atoken);
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000908struct safexcel_result_desc *safexcel_add_rdesc(struct safexcel_crypto_priv *priv,
909 int ring_id,
910 bool first, bool last,
911 dma_addr_t data, u32 len);
912int safexcel_ring_first_rdr_index(struct safexcel_crypto_priv *priv,
913 int ring);
914int safexcel_ring_rdr_rdesc_index(struct safexcel_crypto_priv *priv,
915 int ring,
916 struct safexcel_result_desc *rdesc);
917void safexcel_rdr_req_set(struct safexcel_crypto_priv *priv,
918 int ring,
919 struct safexcel_result_desc *rdesc,
920 struct crypto_async_request *req);
921inline struct crypto_async_request *
922safexcel_rdr_req_get(struct safexcel_crypto_priv *priv, int ring);
923void safexcel_inv_complete(struct crypto_async_request *req, int error);
Olivier Deprez157378f2022-04-04 15:47:50 +0200924int safexcel_hmac_setkey(struct safexcel_context *base, const u8 *key,
925 unsigned int keylen, const char *alg,
926 unsigned int state_sz);
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000927
928/* available algorithms */
929extern struct safexcel_alg_template safexcel_alg_ecb_des;
930extern struct safexcel_alg_template safexcel_alg_cbc_des;
931extern struct safexcel_alg_template safexcel_alg_ecb_des3_ede;
932extern struct safexcel_alg_template safexcel_alg_cbc_des3_ede;
933extern struct safexcel_alg_template safexcel_alg_ecb_aes;
934extern struct safexcel_alg_template safexcel_alg_cbc_aes;
David Brazdil0f672f62019-12-10 10:32:29 +0000935extern struct safexcel_alg_template safexcel_alg_cfb_aes;
936extern struct safexcel_alg_template safexcel_alg_ofb_aes;
937extern struct safexcel_alg_template safexcel_alg_ctr_aes;
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000938extern struct safexcel_alg_template safexcel_alg_md5;
939extern struct safexcel_alg_template safexcel_alg_sha1;
940extern struct safexcel_alg_template safexcel_alg_sha224;
941extern struct safexcel_alg_template safexcel_alg_sha256;
942extern struct safexcel_alg_template safexcel_alg_sha384;
943extern struct safexcel_alg_template safexcel_alg_sha512;
944extern struct safexcel_alg_template safexcel_alg_hmac_md5;
945extern struct safexcel_alg_template safexcel_alg_hmac_sha1;
946extern struct safexcel_alg_template safexcel_alg_hmac_sha224;
947extern struct safexcel_alg_template safexcel_alg_hmac_sha256;
948extern struct safexcel_alg_template safexcel_alg_hmac_sha384;
949extern struct safexcel_alg_template safexcel_alg_hmac_sha512;
950extern struct safexcel_alg_template safexcel_alg_authenc_hmac_sha1_cbc_aes;
951extern struct safexcel_alg_template safexcel_alg_authenc_hmac_sha224_cbc_aes;
952extern struct safexcel_alg_template safexcel_alg_authenc_hmac_sha256_cbc_aes;
953extern struct safexcel_alg_template safexcel_alg_authenc_hmac_sha384_cbc_aes;
954extern struct safexcel_alg_template safexcel_alg_authenc_hmac_sha512_cbc_aes;
David Brazdil0f672f62019-12-10 10:32:29 +0000955extern struct safexcel_alg_template safexcel_alg_authenc_hmac_sha1_cbc_des3_ede;
956extern struct safexcel_alg_template safexcel_alg_authenc_hmac_sha1_ctr_aes;
957extern struct safexcel_alg_template safexcel_alg_authenc_hmac_sha224_ctr_aes;
958extern struct safexcel_alg_template safexcel_alg_authenc_hmac_sha256_ctr_aes;
959extern struct safexcel_alg_template safexcel_alg_authenc_hmac_sha384_ctr_aes;
960extern struct safexcel_alg_template safexcel_alg_authenc_hmac_sha512_ctr_aes;
961extern struct safexcel_alg_template safexcel_alg_xts_aes;
962extern struct safexcel_alg_template safexcel_alg_gcm;
963extern struct safexcel_alg_template safexcel_alg_ccm;
Olivier Deprez157378f2022-04-04 15:47:50 +0200964extern struct safexcel_alg_template safexcel_alg_crc32;
965extern struct safexcel_alg_template safexcel_alg_cbcmac;
966extern struct safexcel_alg_template safexcel_alg_xcbcmac;
967extern struct safexcel_alg_template safexcel_alg_cmac;
968extern struct safexcel_alg_template safexcel_alg_chacha20;
969extern struct safexcel_alg_template safexcel_alg_chachapoly;
970extern struct safexcel_alg_template safexcel_alg_chachapoly_esp;
971extern struct safexcel_alg_template safexcel_alg_sm3;
972extern struct safexcel_alg_template safexcel_alg_hmac_sm3;
973extern struct safexcel_alg_template safexcel_alg_ecb_sm4;
974extern struct safexcel_alg_template safexcel_alg_cbc_sm4;
975extern struct safexcel_alg_template safexcel_alg_ofb_sm4;
976extern struct safexcel_alg_template safexcel_alg_cfb_sm4;
977extern struct safexcel_alg_template safexcel_alg_ctr_sm4;
978extern struct safexcel_alg_template safexcel_alg_authenc_hmac_sha1_cbc_sm4;
979extern struct safexcel_alg_template safexcel_alg_authenc_hmac_sm3_cbc_sm4;
980extern struct safexcel_alg_template safexcel_alg_authenc_hmac_sha1_ctr_sm4;
981extern struct safexcel_alg_template safexcel_alg_authenc_hmac_sm3_ctr_sm4;
982extern struct safexcel_alg_template safexcel_alg_sha3_224;
983extern struct safexcel_alg_template safexcel_alg_sha3_256;
984extern struct safexcel_alg_template safexcel_alg_sha3_384;
985extern struct safexcel_alg_template safexcel_alg_sha3_512;
986extern struct safexcel_alg_template safexcel_alg_hmac_sha3_224;
987extern struct safexcel_alg_template safexcel_alg_hmac_sha3_256;
988extern struct safexcel_alg_template safexcel_alg_hmac_sha3_384;
989extern struct safexcel_alg_template safexcel_alg_hmac_sha3_512;
990extern struct safexcel_alg_template safexcel_alg_authenc_hmac_sha1_cbc_des;
991extern struct safexcel_alg_template safexcel_alg_authenc_hmac_sha256_cbc_des3_ede;
992extern struct safexcel_alg_template safexcel_alg_authenc_hmac_sha224_cbc_des3_ede;
993extern struct safexcel_alg_template safexcel_alg_authenc_hmac_sha512_cbc_des3_ede;
994extern struct safexcel_alg_template safexcel_alg_authenc_hmac_sha384_cbc_des3_ede;
995extern struct safexcel_alg_template safexcel_alg_authenc_hmac_sha256_cbc_des;
996extern struct safexcel_alg_template safexcel_alg_authenc_hmac_sha224_cbc_des;
997extern struct safexcel_alg_template safexcel_alg_authenc_hmac_sha512_cbc_des;
998extern struct safexcel_alg_template safexcel_alg_authenc_hmac_sha384_cbc_des;
999extern struct safexcel_alg_template safexcel_alg_rfc4106_gcm;
1000extern struct safexcel_alg_template safexcel_alg_rfc4543_gcm;
1001extern struct safexcel_alg_template safexcel_alg_rfc4309_ccm;
Andrew Scullb4b6d4a2019-01-02 15:54:55 +00001002
1003#endif