linux/drivers/crypto/inside-secure/safexcel.h
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   1/* 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/sha1.h>
  15#include <crypto/sha2.h>
  16#include <crypto/sha3.h>
  17#include <crypto/skcipher.h>
  18#include <linux/types.h>
  19
  20#define EIP197_HIA_VERSION_BE                   0xca35
  21#define EIP197_HIA_VERSION_LE                   0x35ca
  22#define EIP97_VERSION_LE                        0x9e61
  23#define EIP196_VERSION_LE                       0x3bc4
  24#define EIP197_VERSION_LE                       0x3ac5
  25#define EIP96_VERSION_LE                        0x9f60
  26#define EIP201_VERSION_LE                       0x36c9
  27#define EIP206_VERSION_LE                       0x31ce
  28#define EIP207_VERSION_LE                       0x30cf
  29#define EIP197_REG_LO16(reg)                    (reg & 0xffff)
  30#define EIP197_REG_HI16(reg)                    ((reg >> 16) & 0xffff)
  31#define EIP197_VERSION_MASK(reg)                ((reg >> 16) & 0xfff)
  32#define EIP197_VERSION_SWAP(reg)                (((reg & 0xf0) << 4) | \
  33                                                ((reg >> 4) & 0xf0) | \
  34                                                ((reg >> 12) & 0xf))
  35
  36/* EIP197 HIA OPTIONS ENCODING */
  37#define EIP197_HIA_OPT_HAS_PE_ARB               BIT(29)
  38
  39/* EIP206 OPTIONS ENCODING */
  40#define EIP206_OPT_ICE_TYPE(n)                  ((n>>8)&3)
  41#define EIP206_OPT_OCE_TYPE(n)                  ((n>>10)&3)
  42
  43/* EIP197 OPTIONS ENCODING */
  44#define EIP197_OPT_HAS_TRC                      BIT(31)
  45
  46/* Static configuration */
  47#define EIP197_DEFAULT_RING_SIZE                400
  48#define EIP197_EMB_TOKENS                       4 /* Pad CD to 16 dwords */
  49#define EIP197_MAX_TOKENS                       16
  50#define EIP197_MAX_RINGS                        4
  51#define EIP197_FETCH_DEPTH                      2
  52#define EIP197_MAX_BATCH_SZ                     64
  53#define EIP197_MAX_RING_AIC                     14
  54
  55#define EIP197_GFP_FLAGS(base)  ((base).flags & CRYPTO_TFM_REQ_MAY_SLEEP ? \
  56                                 GFP_KERNEL : GFP_ATOMIC)
  57
  58/* Custom on-stack requests (for invalidation) */
  59#define EIP197_SKCIPHER_REQ_SIZE        sizeof(struct skcipher_request) + \
  60                                        sizeof(struct safexcel_cipher_req)
  61#define EIP197_AHASH_REQ_SIZE           sizeof(struct ahash_request) + \
  62                                        sizeof(struct safexcel_ahash_req)
  63#define EIP197_AEAD_REQ_SIZE            sizeof(struct aead_request) + \
  64                                        sizeof(struct safexcel_cipher_req)
  65#define EIP197_REQUEST_ON_STACK(name, type, size) \
  66        char __##name##_desc[size] CRYPTO_MINALIGN_ATTR; \
  67        struct type##_request *name = (void *)__##name##_desc
  68
  69/* Xilinx dev board base offsets */
  70#define EIP197_XLX_GPIO_BASE            0x200000
  71#define EIP197_XLX_IRQ_BLOCK_ID_ADDR    0x2000
  72#define EIP197_XLX_IRQ_BLOCK_ID_VALUE   0x1fc2
  73#define EIP197_XLX_USER_INT_ENB_MSK     0x2004
  74#define EIP197_XLX_USER_INT_ENB_SET     0x2008
  75#define EIP197_XLX_USER_INT_ENB_CLEAR   0x200c
  76#define EIP197_XLX_USER_INT_BLOCK       0x2040
  77#define EIP197_XLX_USER_INT_PEND        0x2048
  78#define EIP197_XLX_USER_VECT_LUT0_ADDR  0x2080
  79#define EIP197_XLX_USER_VECT_LUT0_IDENT 0x03020100
  80#define EIP197_XLX_USER_VECT_LUT1_ADDR  0x2084
  81#define EIP197_XLX_USER_VECT_LUT1_IDENT 0x07060504
  82#define EIP197_XLX_USER_VECT_LUT2_ADDR  0x2088
  83#define EIP197_XLX_USER_VECT_LUT2_IDENT 0x0b0a0908
  84#define EIP197_XLX_USER_VECT_LUT3_ADDR  0x208c
  85#define EIP197_XLX_USER_VECT_LUT3_IDENT 0x0f0e0d0c
  86
  87/* Helper defines for probe function */
  88#define EIP197_IRQ_NUMBER(i, is_pci)    (i + is_pci)
  89
  90/* Register base offsets */
  91#define EIP197_HIA_AIC(priv)            ((priv)->base + (priv)->offsets.hia_aic)
  92#define EIP197_HIA_AIC_G(priv)          ((priv)->base + (priv)->offsets.hia_aic_g)
  93#define EIP197_HIA_AIC_R(priv)          ((priv)->base + (priv)->offsets.hia_aic_r)
  94#define EIP197_HIA_AIC_xDR(priv)        ((priv)->base + (priv)->offsets.hia_aic_xdr)
  95#define EIP197_HIA_DFE(priv)            ((priv)->base + (priv)->offsets.hia_dfe)
  96#define EIP197_HIA_DFE_THR(priv)        ((priv)->base + (priv)->offsets.hia_dfe_thr)
  97#define EIP197_HIA_DSE(priv)            ((priv)->base + (priv)->offsets.hia_dse)
  98#define EIP197_HIA_DSE_THR(priv)        ((priv)->base + (priv)->offsets.hia_dse_thr)
  99#define EIP197_HIA_GEN_CFG(priv)        ((priv)->base + (priv)->offsets.hia_gen_cfg)
 100#define EIP197_PE(priv)                 ((priv)->base + (priv)->offsets.pe)
 101#define EIP197_GLOBAL(priv)             ((priv)->base + (priv)->offsets.global)
 102
 103/* EIP197 base offsets */
 104#define EIP197_HIA_AIC_BASE             0x90000
 105#define EIP197_HIA_AIC_G_BASE           0x90000
 106#define EIP197_HIA_AIC_R_BASE           0x90800
 107#define EIP197_HIA_AIC_xDR_BASE         0x80000
 108#define EIP197_HIA_DFE_BASE             0x8c000
 109#define EIP197_HIA_DFE_THR_BASE         0x8c040
 110#define EIP197_HIA_DSE_BASE             0x8d000
 111#define EIP197_HIA_DSE_THR_BASE         0x8d040
 112#define EIP197_HIA_GEN_CFG_BASE         0xf0000
 113#define EIP197_PE_BASE                  0xa0000
 114#define EIP197_GLOBAL_BASE              0xf0000
 115
 116/* EIP97 base offsets */
 117#define EIP97_HIA_AIC_BASE              0x0
 118#define EIP97_HIA_AIC_G_BASE            0x0
 119#define EIP97_HIA_AIC_R_BASE            0x0
 120#define EIP97_HIA_AIC_xDR_BASE          0x0
 121#define EIP97_HIA_DFE_BASE              0xf000
 122#define EIP97_HIA_DFE_THR_BASE          0xf200
 123#define EIP97_HIA_DSE_BASE              0xf400
 124#define EIP97_HIA_DSE_THR_BASE          0xf600
 125#define EIP97_HIA_GEN_CFG_BASE          0x10000
 126#define EIP97_PE_BASE                   0x10000
 127#define EIP97_GLOBAL_BASE               0x10000
 128
 129/* CDR/RDR register offsets */
 130#define EIP197_HIA_xDR_OFF(priv, r)             (EIP197_HIA_AIC_xDR(priv) + (r) * 0x1000)
 131#define EIP197_HIA_CDR(priv, r)                 (EIP197_HIA_xDR_OFF(priv, r))
 132#define EIP197_HIA_RDR(priv, r)                 (EIP197_HIA_xDR_OFF(priv, r) + 0x800)
 133#define EIP197_HIA_xDR_RING_BASE_ADDR_LO        0x0000
 134#define EIP197_HIA_xDR_RING_BASE_ADDR_HI        0x0004
 135#define EIP197_HIA_xDR_RING_SIZE                0x0018
 136#define EIP197_HIA_xDR_DESC_SIZE                0x001c
 137#define EIP197_HIA_xDR_CFG                      0x0020
 138#define EIP197_HIA_xDR_DMA_CFG                  0x0024
 139#define EIP197_HIA_xDR_THRESH                   0x0028
 140#define EIP197_HIA_xDR_PREP_COUNT               0x002c
 141#define EIP197_HIA_xDR_PROC_COUNT               0x0030
 142#define EIP197_HIA_xDR_PREP_PNTR                0x0034
 143#define EIP197_HIA_xDR_PROC_PNTR                0x0038
 144#define EIP197_HIA_xDR_STAT                     0x003c
 145
 146/* register offsets */
 147#define EIP197_HIA_DFE_CFG(n)                   (0x0000 + (128 * (n)))
 148#define EIP197_HIA_DFE_THR_CTRL(n)              (0x0000 + (128 * (n)))
 149#define EIP197_HIA_DFE_THR_STAT(n)              (0x0004 + (128 * (n)))
 150#define EIP197_HIA_DSE_CFG(n)                   (0x0000 + (128 * (n)))
 151#define EIP197_HIA_DSE_THR_CTRL(n)              (0x0000 + (128 * (n)))
 152#define EIP197_HIA_DSE_THR_STAT(n)              (0x0004 + (128 * (n)))
 153#define EIP197_HIA_RA_PE_CTRL(n)                (0x0010 + (8   * (n)))
 154#define EIP197_HIA_RA_PE_STAT                   0x0014
 155#define EIP197_HIA_AIC_R_OFF(r)                 ((r) * 0x1000)
 156#define EIP197_HIA_AIC_R_ENABLE_CTRL(r)         (0xe008 - EIP197_HIA_AIC_R_OFF(r))
 157#define EIP197_HIA_AIC_R_ENABLED_STAT(r)        (0xe010 - EIP197_HIA_AIC_R_OFF(r))
 158#define EIP197_HIA_AIC_R_ACK(r)                 (0xe010 - EIP197_HIA_AIC_R_OFF(r))
 159#define EIP197_HIA_AIC_R_ENABLE_CLR(r)          (0xe014 - EIP197_HIA_AIC_R_OFF(r))
 160#define EIP197_HIA_AIC_R_VERSION(r)             (0xe01c - EIP197_HIA_AIC_R_OFF(r))
 161#define EIP197_HIA_AIC_G_ENABLE_CTRL            0xf808
 162#define EIP197_HIA_AIC_G_ENABLED_STAT           0xf810
 163#define EIP197_HIA_AIC_G_ACK                    0xf810
 164#define EIP197_HIA_MST_CTRL                     0xfff4
 165#define EIP197_HIA_OPTIONS                      0xfff8
 166#define EIP197_HIA_VERSION                      0xfffc
 167#define EIP197_PE_IN_DBUF_THRES(n)              (0x0000 + (0x2000 * (n)))
 168#define EIP197_PE_IN_TBUF_THRES(n)              (0x0100 + (0x2000 * (n)))
 169#define EIP197_PE_ICE_SCRATCH_RAM(n)            (0x0800 + (0x2000 * (n)))
 170#define EIP197_PE_ICE_PUE_CTRL(n)               (0x0c80 + (0x2000 * (n)))
 171#define EIP197_PE_ICE_PUTF_CTRL(n)              (0x0d00 + (0x2000 * (n)))
 172#define EIP197_PE_ICE_SCRATCH_CTRL(n)           (0x0d04 + (0x2000 * (n)))
 173#define EIP197_PE_ICE_FPP_CTRL(n)               (0x0d80 + (0x2000 * (n)))
 174#define EIP197_PE_ICE_PPTF_CTRL(n)              (0x0e00 + (0x2000 * (n)))
 175#define EIP197_PE_ICE_RAM_CTRL(n)               (0x0ff0 + (0x2000 * (n)))
 176#define EIP197_PE_ICE_VERSION(n)                (0x0ffc + (0x2000 * (n)))
 177#define EIP197_PE_EIP96_TOKEN_CTRL(n)           (0x1000 + (0x2000 * (n)))
 178#define EIP197_PE_EIP96_FUNCTION_EN(n)          (0x1004 + (0x2000 * (n)))
 179#define EIP197_PE_EIP96_CONTEXT_CTRL(n)         (0x1008 + (0x2000 * (n)))
 180#define EIP197_PE_EIP96_CONTEXT_STAT(n)         (0x100c + (0x2000 * (n)))
 181#define EIP197_PE_EIP96_TOKEN_CTRL2(n)          (0x102c + (0x2000 * (n)))
 182#define EIP197_PE_EIP96_FUNCTION2_EN(n)         (0x1030 + (0x2000 * (n)))
 183#define EIP197_PE_EIP96_OPTIONS(n)              (0x13f8 + (0x2000 * (n)))
 184#define EIP197_PE_EIP96_VERSION(n)              (0x13fc + (0x2000 * (n)))
 185#define EIP197_PE_OCE_VERSION(n)                (0x1bfc + (0x2000 * (n)))
 186#define EIP197_PE_OUT_DBUF_THRES(n)             (0x1c00 + (0x2000 * (n)))
 187#define EIP197_PE_OUT_TBUF_THRES(n)             (0x1d00 + (0x2000 * (n)))
 188#define EIP197_PE_PSE_VERSION(n)                (0x1efc + (0x2000 * (n)))
 189#define EIP197_PE_DEBUG(n)                      (0x1ff4 + (0x2000 * (n)))
 190#define EIP197_PE_OPTIONS(n)                    (0x1ff8 + (0x2000 * (n)))
 191#define EIP197_PE_VERSION(n)                    (0x1ffc + (0x2000 * (n)))
 192#define EIP197_MST_CTRL                         0xfff4
 193#define EIP197_OPTIONS                          0xfff8
 194#define EIP197_VERSION                          0xfffc
 195
 196/* EIP197-specific registers, no indirection */
 197#define EIP197_CLASSIFICATION_RAMS              0xe0000
 198#define EIP197_TRC_CTRL                         0xf0800
 199#define EIP197_TRC_LASTRES                      0xf0804
 200#define EIP197_TRC_REGINDEX                     0xf0808
 201#define EIP197_TRC_PARAMS                       0xf0820
 202#define EIP197_TRC_FREECHAIN                    0xf0824
 203#define EIP197_TRC_PARAMS2                      0xf0828
 204#define EIP197_TRC_ECCCTRL                      0xf0830
 205#define EIP197_TRC_ECCSTAT                      0xf0834
 206#define EIP197_TRC_ECCADMINSTAT                 0xf0838
 207#define EIP197_TRC_ECCDATASTAT                  0xf083c
 208#define EIP197_TRC_ECCDATA                      0xf0840
 209#define EIP197_STRC_CONFIG                      0xf43f0
 210#define EIP197_FLUE_CACHEBASE_LO(n)             (0xf6000 + (32 * (n)))
 211#define EIP197_FLUE_CACHEBASE_HI(n)             (0xf6004 + (32 * (n)))
 212#define EIP197_FLUE_CONFIG(n)                   (0xf6010 + (32 * (n)))
 213#define EIP197_FLUE_OFFSETS                     0xf6808
 214#define EIP197_FLUE_ARC4_OFFSET                 0xf680c
 215#define EIP197_FLUE_IFC_LUT(n)                  (0xf6820 + (4 * (n)))
 216#define EIP197_CS_RAM_CTRL                      0xf7ff0
 217
 218/* EIP197_HIA_xDR_DESC_SIZE */
 219#define EIP197_xDR_DESC_MODE_64BIT              BIT(31)
 220#define EIP197_CDR_DESC_MODE_ADCP               BIT(30)
 221
 222/* EIP197_HIA_xDR_DMA_CFG */
 223#define EIP197_HIA_xDR_WR_RES_BUF               BIT(22)
 224#define EIP197_HIA_xDR_WR_CTRL_BUF              BIT(23)
 225#define EIP197_HIA_xDR_WR_OWN_BUF               BIT(24)
 226#define EIP197_HIA_xDR_CFG_WR_CACHE(n)          (((n) & 0x7) << 25)
 227#define EIP197_HIA_xDR_CFG_RD_CACHE(n)          (((n) & 0x7) << 29)
 228
 229/* EIP197_HIA_CDR_THRESH */
 230#define EIP197_HIA_CDR_THRESH_PROC_PKT(n)       (n)
 231#define EIP197_HIA_CDR_THRESH_PROC_MODE         BIT(22)
 232#define EIP197_HIA_CDR_THRESH_PKT_MODE          BIT(23)
 233#define EIP197_HIA_CDR_THRESH_TIMEOUT(n)        ((n) << 24) /* x256 clk cycles */
 234
 235/* EIP197_HIA_RDR_THRESH */
 236#define EIP197_HIA_RDR_THRESH_PROC_PKT(n)       (n)
 237#define EIP197_HIA_RDR_THRESH_PKT_MODE          BIT(23)
 238#define EIP197_HIA_RDR_THRESH_TIMEOUT(n)        ((n) << 24) /* x256 clk cycles */
 239
 240/* EIP197_HIA_xDR_PREP_COUNT */
 241#define EIP197_xDR_PREP_CLR_COUNT               BIT(31)
 242
 243/* EIP197_HIA_xDR_PROC_COUNT */
 244#define EIP197_xDR_PROC_xD_PKT_OFFSET           24
 245#define EIP197_xDR_PROC_xD_PKT_MASK             GENMASK(6, 0)
 246#define EIP197_xDR_PROC_xD_PKT(n)               ((n) << 24)
 247#define EIP197_xDR_PROC_CLR_COUNT               BIT(31)
 248
 249/* EIP197_HIA_xDR_STAT */
 250#define EIP197_xDR_DMA_ERR                      BIT(0)
 251#define EIP197_xDR_PREP_CMD_THRES               BIT(1)
 252#define EIP197_xDR_ERR                          BIT(2)
 253#define EIP197_xDR_THRESH                       BIT(4)
 254#define EIP197_xDR_TIMEOUT                      BIT(5)
 255
 256#define EIP197_HIA_RA_PE_CTRL_RESET             BIT(31)
 257#define EIP197_HIA_RA_PE_CTRL_EN                BIT(30)
 258
 259/* EIP197_HIA_OPTIONS */
 260#define EIP197_N_RINGS_OFFSET                   0
 261#define EIP197_N_RINGS_MASK                     GENMASK(3, 0)
 262#define EIP197_N_PES_OFFSET                     4
 263#define EIP197_N_PES_MASK                       GENMASK(4, 0)
 264#define EIP97_N_PES_MASK                        GENMASK(2, 0)
 265#define EIP197_HWDATAW_OFFSET                   25
 266#define EIP197_HWDATAW_MASK                     GENMASK(3, 0)
 267#define EIP97_HWDATAW_MASK                      GENMASK(2, 0)
 268#define EIP197_CFSIZE_OFFSET                    9
 269#define EIP197_CFSIZE_ADJUST                    4
 270#define EIP97_CFSIZE_OFFSET                     8
 271#define EIP197_CFSIZE_MASK                      GENMASK(2, 0)
 272#define EIP97_CFSIZE_MASK                       GENMASK(3, 0)
 273#define EIP197_RFSIZE_OFFSET                    12
 274#define EIP197_RFSIZE_ADJUST                    4
 275#define EIP97_RFSIZE_OFFSET                     12
 276#define EIP197_RFSIZE_MASK                      GENMASK(2, 0)
 277#define EIP97_RFSIZE_MASK                       GENMASK(3, 0)
 278
 279/* EIP197_HIA_AIC_R_ENABLE_CTRL */
 280#define EIP197_CDR_IRQ(n)                       BIT((n) * 2)
 281#define EIP197_RDR_IRQ(n)                       BIT((n) * 2 + 1)
 282
 283/* EIP197_HIA_DFE/DSE_CFG */
 284#define EIP197_HIA_DxE_CFG_MIN_DATA_SIZE(n)     ((n) << 0)
 285#define EIP197_HIA_DxE_CFG_DATA_CACHE_CTRL(n)   (((n) & 0x7) << 4)
 286#define EIP197_HIA_DxE_CFG_MAX_DATA_SIZE(n)     ((n) << 8)
 287#define EIP197_HIA_DSE_CFG_ALWAYS_BUFFERABLE    GENMASK(15, 14)
 288#define EIP197_HIA_DxE_CFG_MIN_CTRL_SIZE(n)     ((n) << 16)
 289#define EIP197_HIA_DxE_CFG_CTRL_CACHE_CTRL(n)   (((n) & 0x7) << 20)
 290#define EIP197_HIA_DxE_CFG_MAX_CTRL_SIZE(n)     ((n) << 24)
 291#define EIP197_HIA_DFE_CFG_DIS_DEBUG            GENMASK(31, 29)
 292#define EIP197_HIA_DSE_CFG_EN_SINGLE_WR         BIT(29)
 293#define EIP197_HIA_DSE_CFG_DIS_DEBUG            GENMASK(31, 30)
 294
 295/* EIP197_HIA_DFE/DSE_THR_CTRL */
 296#define EIP197_DxE_THR_CTRL_EN                  BIT(30)
 297#define EIP197_DxE_THR_CTRL_RESET_PE            BIT(31)
 298
 299/* EIP197_PE_ICE_PUE/FPP_CTRL */
 300#define EIP197_PE_ICE_UENG_START_OFFSET(n)      ((n) << 16)
 301#define EIP197_PE_ICE_UENG_INIT_ALIGN_MASK      0x7ff0
 302#define EIP197_PE_ICE_UENG_DEBUG_RESET          BIT(3)
 303
 304/* EIP197_HIA_AIC_G_ENABLED_STAT */
 305#define EIP197_G_IRQ_DFE(n)                     BIT((n) << 1)
 306#define EIP197_G_IRQ_DSE(n)                     BIT(((n) << 1) + 1)
 307#define EIP197_G_IRQ_RING                       BIT(16)
 308#define EIP197_G_IRQ_PE(n)                      BIT((n) + 20)
 309
 310/* EIP197_HIA_MST_CTRL */
 311#define RD_CACHE_3BITS                          0x5
 312#define WR_CACHE_3BITS                          0x3
 313#define RD_CACHE_4BITS                          (RD_CACHE_3BITS << 1 | BIT(0))
 314#define WR_CACHE_4BITS                          (WR_CACHE_3BITS << 1 | BIT(0))
 315#define EIP197_MST_CTRL_RD_CACHE(n)             (((n) & 0xf) << 0)
 316#define EIP197_MST_CTRL_WD_CACHE(n)             (((n) & 0xf) << 4)
 317#define EIP197_MST_CTRL_TX_MAX_CMD(n)           (((n) & 0xf) << 20)
 318#define EIP197_MST_CTRL_BYTE_SWAP               BIT(24)
 319#define EIP197_MST_CTRL_NO_BYTE_SWAP            BIT(25)
 320#define EIP197_MST_CTRL_BYTE_SWAP_BITS          GENMASK(25, 24)
 321
 322/* EIP197_PE_IN_DBUF/TBUF_THRES */
 323#define EIP197_PE_IN_xBUF_THRES_MIN(n)          ((n) << 8)
 324#define EIP197_PE_IN_xBUF_THRES_MAX(n)          ((n) << 12)
 325
 326/* EIP197_PE_OUT_DBUF_THRES */
 327#define EIP197_PE_OUT_DBUF_THRES_MIN(n)         ((n) << 0)
 328#define EIP197_PE_OUT_DBUF_THRES_MAX(n)         ((n) << 4)
 329
 330/* EIP197_PE_ICE_SCRATCH_CTRL */
 331#define EIP197_PE_ICE_SCRATCH_CTRL_CHANGE_TIMER         BIT(2)
 332#define EIP197_PE_ICE_SCRATCH_CTRL_TIMER_EN             BIT(3)
 333#define EIP197_PE_ICE_SCRATCH_CTRL_CHANGE_ACCESS        BIT(24)
 334#define EIP197_PE_ICE_SCRATCH_CTRL_SCRATCH_ACCESS       BIT(25)
 335
 336/* EIP197_PE_ICE_SCRATCH_RAM */
 337#define EIP197_NUM_OF_SCRATCH_BLOCKS            32
 338
 339/* EIP197_PE_ICE_PUE/FPP_CTRL */
 340#define EIP197_PE_ICE_x_CTRL_SW_RESET                   BIT(0)
 341#define EIP197_PE_ICE_x_CTRL_CLR_ECC_NON_CORR           BIT(14)
 342#define EIP197_PE_ICE_x_CTRL_CLR_ECC_CORR               BIT(15)
 343
 344/* EIP197_PE_ICE_RAM_CTRL */
 345#define EIP197_PE_ICE_RAM_CTRL_PUE_PROG_EN      BIT(0)
 346#define EIP197_PE_ICE_RAM_CTRL_FPP_PROG_EN      BIT(1)
 347
 348/* EIP197_PE_EIP96_TOKEN_CTRL */
 349#define EIP197_PE_EIP96_TOKEN_CTRL_CTX_UPDATES          BIT(16)
 350#define EIP197_PE_EIP96_TOKEN_CTRL_NO_TOKEN_WAIT        BIT(17)
 351#define EIP197_PE_EIP96_TOKEN_CTRL_ENABLE_TIMEOUT       BIT(22)
 352
 353/* EIP197_PE_EIP96_FUNCTION_EN */
 354#define EIP197_FUNCTION_ALL                     0xffffffff
 355
 356/* EIP197_PE_EIP96_CONTEXT_CTRL */
 357#define EIP197_CONTEXT_SIZE(n)                  (n)
 358#define EIP197_ADDRESS_MODE                     BIT(8)
 359#define EIP197_CONTROL_MODE                     BIT(9)
 360
 361/* EIP197_PE_EIP96_TOKEN_CTRL2 */
 362#define EIP197_PE_EIP96_TOKEN_CTRL2_CTX_DONE    BIT(3)
 363
 364/* EIP197_PE_DEBUG */
 365#define EIP197_DEBUG_OCE_BYPASS                 BIT(1)
 366
 367/* EIP197_STRC_CONFIG */
 368#define EIP197_STRC_CONFIG_INIT                 BIT(31)
 369#define EIP197_STRC_CONFIG_LARGE_REC(s)         (s<<8)
 370#define EIP197_STRC_CONFIG_SMALL_REC(s)         (s<<0)
 371
 372/* EIP197_FLUE_CONFIG */
 373#define EIP197_FLUE_CONFIG_MAGIC                0xc7000004
 374
 375/* Context Control */
 376struct safexcel_context_record {
 377        __le32 control0;
 378        __le32 control1;
 379
 380        __le32 data[40];
 381} __packed;
 382
 383/* control0 */
 384#define CONTEXT_CONTROL_TYPE_NULL_OUT           0x0
 385#define CONTEXT_CONTROL_TYPE_NULL_IN            0x1
 386#define CONTEXT_CONTROL_TYPE_HASH_OUT           0x2
 387#define CONTEXT_CONTROL_TYPE_HASH_IN            0x3
 388#define CONTEXT_CONTROL_TYPE_CRYPTO_OUT         0x4
 389#define CONTEXT_CONTROL_TYPE_CRYPTO_IN          0x5
 390#define CONTEXT_CONTROL_TYPE_ENCRYPT_HASH_OUT   0x6
 391#define CONTEXT_CONTROL_TYPE_DECRYPT_HASH_IN    0x7
 392#define CONTEXT_CONTROL_TYPE_HASH_ENCRYPT_OUT   0xe
 393#define CONTEXT_CONTROL_TYPE_HASH_DECRYPT_IN    0xf
 394#define CONTEXT_CONTROL_RESTART_HASH            BIT(4)
 395#define CONTEXT_CONTROL_NO_FINISH_HASH          BIT(5)
 396#define CONTEXT_CONTROL_SIZE(n)                 ((n) << 8)
 397#define CONTEXT_CONTROL_KEY_EN                  BIT(16)
 398#define CONTEXT_CONTROL_CRYPTO_ALG_DES          (0x0 << 17)
 399#define CONTEXT_CONTROL_CRYPTO_ALG_3DES         (0x2 << 17)
 400#define CONTEXT_CONTROL_CRYPTO_ALG_AES128       (0x5 << 17)
 401#define CONTEXT_CONTROL_CRYPTO_ALG_AES192       (0x6 << 17)
 402#define CONTEXT_CONTROL_CRYPTO_ALG_AES256       (0x7 << 17)
 403#define CONTEXT_CONTROL_CRYPTO_ALG_CHACHA20     (0x8 << 17)
 404#define CONTEXT_CONTROL_CRYPTO_ALG_SM4          (0xd << 17)
 405#define CONTEXT_CONTROL_DIGEST_INITIAL          (0x0 << 21)
 406#define CONTEXT_CONTROL_DIGEST_PRECOMPUTED      (0x1 << 21)
 407#define CONTEXT_CONTROL_DIGEST_XCM              (0x2 << 21)
 408#define CONTEXT_CONTROL_DIGEST_HMAC             (0x3 << 21)
 409#define CONTEXT_CONTROL_CRYPTO_ALG_MD5          (0x0 << 23)
 410#define CONTEXT_CONTROL_CRYPTO_ALG_CRC32        (0x0 << 23)
 411#define CONTEXT_CONTROL_CRYPTO_ALG_SHA1         (0x2 << 23)
 412#define CONTEXT_CONTROL_CRYPTO_ALG_SHA224       (0x4 << 23)
 413#define CONTEXT_CONTROL_CRYPTO_ALG_SHA256       (0x3 << 23)
 414#define CONTEXT_CONTROL_CRYPTO_ALG_SHA384       (0x6 << 23)
 415#define CONTEXT_CONTROL_CRYPTO_ALG_SHA512       (0x5 << 23)
 416#define CONTEXT_CONTROL_CRYPTO_ALG_GHASH        (0x4 << 23)
 417#define CONTEXT_CONTROL_CRYPTO_ALG_XCBC128      (0x1 << 23)
 418#define CONTEXT_CONTROL_CRYPTO_ALG_XCBC192      (0x2 << 23)
 419#define CONTEXT_CONTROL_CRYPTO_ALG_XCBC256      (0x3 << 23)
 420#define CONTEXT_CONTROL_CRYPTO_ALG_SM3          (0x7 << 23)
 421#define CONTEXT_CONTROL_CRYPTO_ALG_SHA3_256     (0xb << 23)
 422#define CONTEXT_CONTROL_CRYPTO_ALG_SHA3_224     (0xc << 23)
 423#define CONTEXT_CONTROL_CRYPTO_ALG_SHA3_512     (0xd << 23)
 424#define CONTEXT_CONTROL_CRYPTO_ALG_SHA3_384     (0xe << 23)
 425#define CONTEXT_CONTROL_CRYPTO_ALG_POLY1305     (0xf << 23)
 426#define CONTEXT_CONTROL_INV_FR                  (0x5 << 24)
 427#define CONTEXT_CONTROL_INV_TR                  (0x6 << 24)
 428
 429/* control1 */
 430#define CONTEXT_CONTROL_CRYPTO_MODE_ECB         (0 << 0)
 431#define CONTEXT_CONTROL_CRYPTO_MODE_CBC         (1 << 0)
 432#define CONTEXT_CONTROL_CHACHA20_MODE_256_32    (2 << 0)
 433#define CONTEXT_CONTROL_CRYPTO_MODE_OFB         (4 << 0)
 434#define CONTEXT_CONTROL_CRYPTO_MODE_CFB         (5 << 0)
 435#define CONTEXT_CONTROL_CRYPTO_MODE_CTR_LOAD    (6 << 0)
 436#define CONTEXT_CONTROL_CRYPTO_MODE_XTS         (7 << 0)
 437#define CONTEXT_CONTROL_CRYPTO_MODE_XCM         ((6 << 0) | BIT(17))
 438#define CONTEXT_CONTROL_CHACHA20_MODE_CALC_OTK  (12 << 0)
 439#define CONTEXT_CONTROL_IV0                     BIT(5)
 440#define CONTEXT_CONTROL_IV1                     BIT(6)
 441#define CONTEXT_CONTROL_IV2                     BIT(7)
 442#define CONTEXT_CONTROL_IV3                     BIT(8)
 443#define CONTEXT_CONTROL_DIGEST_CNT              BIT(9)
 444#define CONTEXT_CONTROL_COUNTER_MODE            BIT(10)
 445#define CONTEXT_CONTROL_CRYPTO_STORE            BIT(12)
 446#define CONTEXT_CONTROL_HASH_STORE              BIT(19)
 447
 448#define EIP197_XCM_MODE_GCM                     1
 449#define EIP197_XCM_MODE_CCM                     2
 450
 451#define EIP197_AEAD_TYPE_IPSEC_ESP              2
 452#define EIP197_AEAD_TYPE_IPSEC_ESP_GMAC         3
 453#define EIP197_AEAD_IPSEC_IV_SIZE               8
 454#define EIP197_AEAD_IPSEC_NONCE_SIZE            4
 455#define EIP197_AEAD_IPSEC_COUNTER_SIZE          4
 456#define EIP197_AEAD_IPSEC_CCM_NONCE_SIZE        3
 457
 458/* The hash counter given to the engine in the context has a granularity of
 459 * 64 bits.
 460 */
 461#define EIP197_COUNTER_BLOCK_SIZE               64
 462
 463/* EIP197_CS_RAM_CTRL */
 464#define EIP197_TRC_ENABLE_0                     BIT(4)
 465#define EIP197_TRC_ENABLE_1                     BIT(5)
 466#define EIP197_TRC_ENABLE_2                     BIT(6)
 467#define EIP197_TRC_ENABLE_MASK                  GENMASK(6, 4)
 468#define EIP197_CS_BANKSEL_MASK                  GENMASK(14, 12)
 469#define EIP197_CS_BANKSEL_OFS                   12
 470
 471/* EIP197_TRC_PARAMS */
 472#define EIP197_TRC_PARAMS_SW_RESET              BIT(0)
 473#define EIP197_TRC_PARAMS_DATA_ACCESS           BIT(2)
 474#define EIP197_TRC_PARAMS_HTABLE_SZ(x)          ((x) << 4)
 475#define EIP197_TRC_PARAMS_BLK_TIMER_SPEED(x)    ((x) << 10)
 476#define EIP197_TRC_PARAMS_RC_SZ_LARGE(n)        ((n) << 18)
 477
 478/* EIP197_TRC_FREECHAIN */
 479#define EIP197_TRC_FREECHAIN_HEAD_PTR(p)        (p)
 480#define EIP197_TRC_FREECHAIN_TAIL_PTR(p)        ((p) << 16)
 481
 482/* EIP197_TRC_PARAMS2 */
 483#define EIP197_TRC_PARAMS2_HTABLE_PTR(p)        (p)
 484#define EIP197_TRC_PARAMS2_RC_SZ_SMALL(n)       ((n) << 18)
 485
 486/* Cache helpers */
 487#define EIP197_MIN_DSIZE                        1024
 488#define EIP197_MIN_ASIZE                        8
 489#define EIP197_CS_TRC_REC_WC                    64
 490#define EIP197_CS_RC_SIZE                       (4 * sizeof(u32))
 491#define EIP197_CS_RC_NEXT(x)                    (x)
 492#define EIP197_CS_RC_PREV(x)                    ((x) << 10)
 493#define EIP197_RC_NULL                          0x3ff
 494
 495/* Result data */
 496struct result_data_desc {
 497        u32 packet_length:17;
 498        u32 error_code:15;
 499
 500        u8 bypass_length:4;
 501        u8 e15:1;
 502        u16 rsvd0;
 503        u8 hash_bytes:1;
 504        u8 hash_length:6;
 505        u8 generic_bytes:1;
 506        u8 checksum:1;
 507        u8 next_header:1;
 508        u8 length:1;
 509
 510        u16 application_id;
 511        u16 rsvd1;
 512
 513        u32 rsvd2[5];
 514} __packed;
 515
 516
 517/* Basic Result Descriptor format */
 518struct safexcel_result_desc {
 519        u32 particle_size:17;
 520        u8 rsvd0:3;
 521        u8 descriptor_overflow:1;
 522        u8 buffer_overflow:1;
 523        u8 last_seg:1;
 524        u8 first_seg:1;
 525        u16 result_size:8;
 526
 527        u32 rsvd1;
 528
 529        u32 data_lo;
 530        u32 data_hi;
 531} __packed;
 532
 533/*
 534 * The EIP(1)97 only needs to fetch the descriptor part of
 535 * the result descriptor, not the result token part!
 536 */
 537#define EIP197_RD64_FETCH_SIZE          (sizeof(struct safexcel_result_desc) /\
 538                                         sizeof(u32))
 539#define EIP197_RD64_RESULT_SIZE         (sizeof(struct result_data_desc) /\
 540                                         sizeof(u32))
 541
 542struct safexcel_token {
 543        u32 packet_length:17;
 544        u8 stat:2;
 545        u16 instructions:9;
 546        u8 opcode:4;
 547} __packed;
 548
 549#define EIP197_TOKEN_HASH_RESULT_VERIFY         BIT(16)
 550
 551#define EIP197_TOKEN_CTX_OFFSET(x)              (x)
 552#define EIP197_TOKEN_DIRECTION_EXTERNAL         BIT(11)
 553#define EIP197_TOKEN_EXEC_IF_SUCCESSFUL         (0x1 << 12)
 554
 555#define EIP197_TOKEN_STAT_LAST_HASH             BIT(0)
 556#define EIP197_TOKEN_STAT_LAST_PACKET           BIT(1)
 557#define EIP197_TOKEN_OPCODE_DIRECTION           0x0
 558#define EIP197_TOKEN_OPCODE_INSERT              0x2
 559#define EIP197_TOKEN_OPCODE_NOOP                EIP197_TOKEN_OPCODE_INSERT
 560#define EIP197_TOKEN_OPCODE_RETRIEVE            0x4
 561#define EIP197_TOKEN_OPCODE_INSERT_REMRES       0xa
 562#define EIP197_TOKEN_OPCODE_VERIFY              0xd
 563#define EIP197_TOKEN_OPCODE_CTX_ACCESS          0xe
 564#define EIP197_TOKEN_OPCODE_BYPASS              GENMASK(3, 0)
 565
 566static inline void eip197_noop_token(struct safexcel_token *token)
 567{
 568        token->opcode = EIP197_TOKEN_OPCODE_NOOP;
 569        token->packet_length = BIT(2);
 570        token->stat = 0;
 571        token->instructions = 0;
 572}
 573
 574/* Instructions */
 575#define EIP197_TOKEN_INS_INSERT_HASH_DIGEST     0x1c
 576#define EIP197_TOKEN_INS_ORIGIN_IV0             0x14
 577#define EIP197_TOKEN_INS_ORIGIN_TOKEN           0x1b
 578#define EIP197_TOKEN_INS_ORIGIN_LEN(x)          ((x) << 5)
 579#define EIP197_TOKEN_INS_TYPE_OUTPUT            BIT(5)
 580#define EIP197_TOKEN_INS_TYPE_HASH              BIT(6)
 581#define EIP197_TOKEN_INS_TYPE_CRYPTO            BIT(7)
 582#define EIP197_TOKEN_INS_LAST                   BIT(8)
 583
 584/* Processing Engine Control Data  */
 585struct safexcel_control_data_desc {
 586        u32 packet_length:17;
 587        u16 options:13;
 588        u8 type:2;
 589
 590        u16 application_id;
 591        u16 rsvd;
 592
 593        u32 context_lo;
 594        u32 context_hi;
 595
 596        u32 control0;
 597        u32 control1;
 598
 599        u32 token[EIP197_EMB_TOKENS];
 600} __packed;
 601
 602#define EIP197_OPTION_MAGIC_VALUE       BIT(0)
 603#define EIP197_OPTION_64BIT_CTX         BIT(1)
 604#define EIP197_OPTION_RC_AUTO           (0x2 << 3)
 605#define EIP197_OPTION_CTX_CTRL_IN_CMD   BIT(8)
 606#define EIP197_OPTION_2_TOKEN_IV_CMD    GENMASK(11, 10)
 607#define EIP197_OPTION_4_TOKEN_IV_CMD    GENMASK(11, 9)
 608
 609#define EIP197_TYPE_BCLA                0x0
 610#define EIP197_TYPE_EXTENDED            0x3
 611#define EIP197_CONTEXT_SMALL            0x2
 612#define EIP197_CONTEXT_SIZE_MASK        0x3
 613
 614/* Basic Command Descriptor format */
 615struct safexcel_command_desc {
 616        u32 particle_size:17;
 617        u8 rsvd0:5;
 618        u8 last_seg:1;
 619        u8 first_seg:1;
 620        u8 additional_cdata_size:8;
 621
 622        u32 rsvd1;
 623
 624        u32 data_lo;
 625        u32 data_hi;
 626
 627        u32 atok_lo;
 628        u32 atok_hi;
 629
 630        struct safexcel_control_data_desc control_data;
 631} __packed;
 632
 633#define EIP197_CD64_FETCH_SIZE          (sizeof(struct safexcel_command_desc) /\
 634                                        sizeof(u32))
 635
 636/*
 637 * Internal structures & functions
 638 */
 639
 640#define EIP197_FW_TERMINAL_NOPS         2
 641#define EIP197_FW_START_POLLCNT         16
 642#define EIP197_FW_PUE_READY             0x14
 643#define EIP197_FW_FPP_READY             0x18
 644
 645enum eip197_fw {
 646        FW_IFPP = 0,
 647        FW_IPUE,
 648        FW_NB
 649};
 650
 651struct safexcel_desc_ring {
 652        void *base;
 653        void *shbase;
 654        void *base_end;
 655        void *shbase_end;
 656        dma_addr_t base_dma;
 657        dma_addr_t shbase_dma;
 658
 659        /* write and read pointers */
 660        void *write;
 661        void *shwrite;
 662        void *read;
 663
 664        /* descriptor element offset */
 665        unsigned int offset;
 666        unsigned int shoffset;
 667};
 668
 669enum safexcel_alg_type {
 670        SAFEXCEL_ALG_TYPE_SKCIPHER,
 671        SAFEXCEL_ALG_TYPE_AEAD,
 672        SAFEXCEL_ALG_TYPE_AHASH,
 673};
 674
 675struct safexcel_config {
 676        u32 pes;
 677        u32 rings;
 678
 679        u32 cd_size;
 680        u32 cd_offset;
 681        u32 cdsh_offset;
 682
 683        u32 rd_size;
 684        u32 rd_offset;
 685        u32 res_offset;
 686};
 687
 688struct safexcel_work_data {
 689        struct work_struct work;
 690        struct safexcel_crypto_priv *priv;
 691        int ring;
 692};
 693
 694struct safexcel_ring {
 695        spinlock_t lock;
 696
 697        struct workqueue_struct *workqueue;
 698        struct safexcel_work_data work_data;
 699
 700        /* command/result rings */
 701        struct safexcel_desc_ring cdr;
 702        struct safexcel_desc_ring rdr;
 703
 704        /* result ring crypto API request */
 705        struct crypto_async_request **rdr_req;
 706
 707        /* queue */
 708        struct crypto_queue queue;
 709        spinlock_t queue_lock;
 710
 711        /* Number of requests in the engine. */
 712        int requests;
 713
 714        /* The ring is currently handling at least one request */
 715        bool busy;
 716
 717        /* Store for current requests when bailing out of the dequeueing
 718         * function when no enough resources are available.
 719         */
 720        struct crypto_async_request *req;
 721        struct crypto_async_request *backlog;
 722
 723        /* irq of this ring */
 724        int irq;
 725};
 726
 727/* EIP integration context flags */
 728enum safexcel_eip_version {
 729        /* Platform (EIP integration context) specifier */
 730        EIP97IES_MRVL,
 731        EIP197B_MRVL,
 732        EIP197D_MRVL,
 733        EIP197_DEVBRD
 734};
 735
 736/* Priority we use for advertising our algorithms */
 737#define SAFEXCEL_CRA_PRIORITY           300
 738
 739/* SM3 digest result for zero length message */
 740#define EIP197_SM3_ZEROM_HASH   "\x1A\xB2\x1D\x83\x55\xCF\xA1\x7F" \
 741                                "\x8E\x61\x19\x48\x31\xE8\x1A\x8F" \
 742                                "\x22\xBE\xC8\xC7\x28\xFE\xFB\x74" \
 743                                "\x7E\xD0\x35\xEB\x50\x82\xAA\x2B"
 744
 745/* EIP algorithm presence flags */
 746enum safexcel_eip_algorithms {
 747        SAFEXCEL_ALG_BC0      = BIT(5),
 748        SAFEXCEL_ALG_SM4      = BIT(6),
 749        SAFEXCEL_ALG_SM3      = BIT(7),
 750        SAFEXCEL_ALG_CHACHA20 = BIT(8),
 751        SAFEXCEL_ALG_POLY1305 = BIT(9),
 752        SAFEXCEL_SEQMASK_256   = BIT(10),
 753        SAFEXCEL_SEQMASK_384   = BIT(11),
 754        SAFEXCEL_ALG_AES      = BIT(12),
 755        SAFEXCEL_ALG_AES_XFB  = BIT(13),
 756        SAFEXCEL_ALG_DES      = BIT(15),
 757        SAFEXCEL_ALG_DES_XFB  = BIT(16),
 758        SAFEXCEL_ALG_ARC4     = BIT(18),
 759        SAFEXCEL_ALG_AES_XTS  = BIT(20),
 760        SAFEXCEL_ALG_WIRELESS = BIT(21),
 761        SAFEXCEL_ALG_MD5      = BIT(22),
 762        SAFEXCEL_ALG_SHA1     = BIT(23),
 763        SAFEXCEL_ALG_SHA2_256 = BIT(25),
 764        SAFEXCEL_ALG_SHA2_512 = BIT(26),
 765        SAFEXCEL_ALG_XCBC_MAC = BIT(27),
 766        SAFEXCEL_ALG_CBC_MAC_ALL = BIT(29),
 767        SAFEXCEL_ALG_GHASH    = BIT(30),
 768        SAFEXCEL_ALG_SHA3     = BIT(31),
 769};
 770
 771struct safexcel_register_offsets {
 772        u32 hia_aic;
 773        u32 hia_aic_g;
 774        u32 hia_aic_r;
 775        u32 hia_aic_xdr;
 776        u32 hia_dfe;
 777        u32 hia_dfe_thr;
 778        u32 hia_dse;
 779        u32 hia_dse_thr;
 780        u32 hia_gen_cfg;
 781        u32 pe;
 782        u32 global;
 783};
 784
 785enum safexcel_flags {
 786        EIP197_TRC_CACHE        = BIT(0),
 787        SAFEXCEL_HW_EIP197      = BIT(1),
 788        EIP197_PE_ARB           = BIT(2),
 789        EIP197_ICE              = BIT(3),
 790        EIP197_SIMPLE_TRC       = BIT(4),
 791        EIP197_OCE              = BIT(5),
 792};
 793
 794struct safexcel_hwconfig {
 795        enum safexcel_eip_algorithms algo_flags;
 796        int hwver;
 797        int hiaver;
 798        int ppver;
 799        int icever;
 800        int pever;
 801        int ocever;
 802        int psever;
 803        int hwdataw;
 804        int hwcfsize;
 805        int hwrfsize;
 806        int hwnumpes;
 807        int hwnumrings;
 808        int hwnumraic;
 809};
 810
 811struct safexcel_crypto_priv {
 812        void __iomem *base;
 813        struct device *dev;
 814        struct clk *clk;
 815        struct clk *reg_clk;
 816        struct safexcel_config config;
 817
 818        enum safexcel_eip_version version;
 819        struct safexcel_register_offsets offsets;
 820        struct safexcel_hwconfig hwconfig;
 821        u32 flags;
 822
 823        /* context DMA pool */
 824        struct dma_pool *context_pool;
 825
 826        atomic_t ring_used;
 827
 828        struct safexcel_ring *ring;
 829};
 830
 831struct safexcel_context {
 832        int (*send)(struct crypto_async_request *req, int ring,
 833                    int *commands, int *results);
 834        int (*handle_result)(struct safexcel_crypto_priv *priv, int ring,
 835                             struct crypto_async_request *req, bool *complete,
 836                             int *ret);
 837        struct safexcel_context_record *ctxr;
 838        struct safexcel_crypto_priv *priv;
 839        dma_addr_t ctxr_dma;
 840
 841        union {
 842                __le32 le[SHA3_512_BLOCK_SIZE / 4];
 843                __be32 be[SHA3_512_BLOCK_SIZE / 4];
 844                u32 word[SHA3_512_BLOCK_SIZE / 4];
 845                u8 byte[SHA3_512_BLOCK_SIZE];
 846        } ipad, opad;
 847
 848        int ring;
 849        bool needs_inv;
 850        bool exit_inv;
 851};
 852
 853#define HASH_CACHE_SIZE                 SHA512_BLOCK_SIZE
 854
 855struct safexcel_ahash_export_state {
 856        u64 len;
 857        u64 processed;
 858
 859        u32 digest;
 860
 861        u32 state[SHA512_DIGEST_SIZE / sizeof(u32)];
 862        u8 cache[HASH_CACHE_SIZE];
 863};
 864
 865/*
 866 * Template structure to describe the algorithms in order to register them.
 867 * It also has the purpose to contain our private structure and is actually
 868 * the only way I know in this framework to avoid having global pointers...
 869 */
 870struct safexcel_alg_template {
 871        struct safexcel_crypto_priv *priv;
 872        enum safexcel_alg_type type;
 873        enum safexcel_eip_algorithms algo_mask;
 874        union {
 875                struct skcipher_alg skcipher;
 876                struct aead_alg aead;
 877                struct ahash_alg ahash;
 878        } alg;
 879};
 880
 881struct safexcel_inv_result {
 882        struct completion completion;
 883        int error;
 884};
 885
 886void safexcel_dequeue(struct safexcel_crypto_priv *priv, int ring);
 887int safexcel_rdesc_check_errors(struct safexcel_crypto_priv *priv,
 888                                void *rdp);
 889void safexcel_complete(struct safexcel_crypto_priv *priv, int ring);
 890int safexcel_invalidate_cache(struct crypto_async_request *async,
 891                              struct safexcel_crypto_priv *priv,
 892                              dma_addr_t ctxr_dma, int ring);
 893int safexcel_init_ring_descriptors(struct safexcel_crypto_priv *priv,
 894                                   struct safexcel_desc_ring *cdr,
 895                                   struct safexcel_desc_ring *rdr);
 896int safexcel_select_ring(struct safexcel_crypto_priv *priv);
 897void *safexcel_ring_next_rptr(struct safexcel_crypto_priv *priv,
 898                              struct safexcel_desc_ring *ring);
 899void *safexcel_ring_first_rptr(struct safexcel_crypto_priv *priv, int  ring);
 900void safexcel_ring_rollback_wptr(struct safexcel_crypto_priv *priv,
 901                                 struct safexcel_desc_ring *ring);
 902struct safexcel_command_desc *safexcel_add_cdesc(struct safexcel_crypto_priv *priv,
 903                                                 int ring_id,
 904                                                 bool first, bool last,
 905                                                 dma_addr_t data, u32 len,
 906                                                 u32 full_data_len,
 907                                                 dma_addr_t context,
 908                                                 struct safexcel_token **atoken);
 909struct safexcel_result_desc *safexcel_add_rdesc(struct safexcel_crypto_priv *priv,
 910                                                 int ring_id,
 911                                                bool first, bool last,
 912                                                dma_addr_t data, u32 len);
 913int safexcel_ring_first_rdr_index(struct safexcel_crypto_priv *priv,
 914                                  int ring);
 915int safexcel_ring_rdr_rdesc_index(struct safexcel_crypto_priv *priv,
 916                                  int ring,
 917                                  struct safexcel_result_desc *rdesc);
 918void safexcel_rdr_req_set(struct safexcel_crypto_priv *priv,
 919                          int ring,
 920                          struct safexcel_result_desc *rdesc,
 921                          struct crypto_async_request *req);
 922inline struct crypto_async_request *
 923safexcel_rdr_req_get(struct safexcel_crypto_priv *priv, int ring);
 924void safexcel_inv_complete(struct crypto_async_request *req, int error);
 925int safexcel_hmac_setkey(struct safexcel_context *base, const u8 *key,
 926                         unsigned int keylen, const char *alg,
 927                         unsigned int state_sz);
 928
 929/* available algorithms */
 930extern struct safexcel_alg_template safexcel_alg_ecb_des;
 931extern struct safexcel_alg_template safexcel_alg_cbc_des;
 932extern struct safexcel_alg_template safexcel_alg_ecb_des3_ede;
 933extern struct safexcel_alg_template safexcel_alg_cbc_des3_ede;
 934extern struct safexcel_alg_template safexcel_alg_ecb_aes;
 935extern struct safexcel_alg_template safexcel_alg_cbc_aes;
 936extern struct safexcel_alg_template safexcel_alg_cfb_aes;
 937extern struct safexcel_alg_template safexcel_alg_ofb_aes;
 938extern struct safexcel_alg_template safexcel_alg_ctr_aes;
 939extern struct safexcel_alg_template safexcel_alg_md5;
 940extern struct safexcel_alg_template safexcel_alg_sha1;
 941extern struct safexcel_alg_template safexcel_alg_sha224;
 942extern struct safexcel_alg_template safexcel_alg_sha256;
 943extern struct safexcel_alg_template safexcel_alg_sha384;
 944extern struct safexcel_alg_template safexcel_alg_sha512;
 945extern struct safexcel_alg_template safexcel_alg_hmac_md5;
 946extern struct safexcel_alg_template safexcel_alg_hmac_sha1;
 947extern struct safexcel_alg_template safexcel_alg_hmac_sha224;
 948extern struct safexcel_alg_template safexcel_alg_hmac_sha256;
 949extern struct safexcel_alg_template safexcel_alg_hmac_sha384;
 950extern struct safexcel_alg_template safexcel_alg_hmac_sha512;
 951extern struct safexcel_alg_template safexcel_alg_authenc_hmac_sha1_cbc_aes;
 952extern struct safexcel_alg_template safexcel_alg_authenc_hmac_sha224_cbc_aes;
 953extern struct safexcel_alg_template safexcel_alg_authenc_hmac_sha256_cbc_aes;
 954extern struct safexcel_alg_template safexcel_alg_authenc_hmac_sha384_cbc_aes;
 955extern struct safexcel_alg_template safexcel_alg_authenc_hmac_sha512_cbc_aes;
 956extern struct safexcel_alg_template safexcel_alg_authenc_hmac_sha1_cbc_des3_ede;
 957extern struct safexcel_alg_template safexcel_alg_authenc_hmac_sha1_ctr_aes;
 958extern struct safexcel_alg_template safexcel_alg_authenc_hmac_sha224_ctr_aes;
 959extern struct safexcel_alg_template safexcel_alg_authenc_hmac_sha256_ctr_aes;
 960extern struct safexcel_alg_template safexcel_alg_authenc_hmac_sha384_ctr_aes;
 961extern struct safexcel_alg_template safexcel_alg_authenc_hmac_sha512_ctr_aes;
 962extern struct safexcel_alg_template safexcel_alg_xts_aes;
 963extern struct safexcel_alg_template safexcel_alg_gcm;
 964extern struct safexcel_alg_template safexcel_alg_ccm;
 965extern struct safexcel_alg_template safexcel_alg_crc32;
 966extern struct safexcel_alg_template safexcel_alg_cbcmac;
 967extern struct safexcel_alg_template safexcel_alg_xcbcmac;
 968extern struct safexcel_alg_template safexcel_alg_cmac;
 969extern struct safexcel_alg_template safexcel_alg_chacha20;
 970extern struct safexcel_alg_template safexcel_alg_chachapoly;
 971extern struct safexcel_alg_template safexcel_alg_chachapoly_esp;
 972extern struct safexcel_alg_template safexcel_alg_sm3;
 973extern struct safexcel_alg_template safexcel_alg_hmac_sm3;
 974extern struct safexcel_alg_template safexcel_alg_ecb_sm4;
 975extern struct safexcel_alg_template safexcel_alg_cbc_sm4;
 976extern struct safexcel_alg_template safexcel_alg_ofb_sm4;
 977extern struct safexcel_alg_template safexcel_alg_cfb_sm4;
 978extern struct safexcel_alg_template safexcel_alg_ctr_sm4;
 979extern struct safexcel_alg_template safexcel_alg_authenc_hmac_sha1_cbc_sm4;
 980extern struct safexcel_alg_template safexcel_alg_authenc_hmac_sm3_cbc_sm4;
 981extern struct safexcel_alg_template safexcel_alg_authenc_hmac_sha1_ctr_sm4;
 982extern struct safexcel_alg_template safexcel_alg_authenc_hmac_sm3_ctr_sm4;
 983extern struct safexcel_alg_template safexcel_alg_sha3_224;
 984extern struct safexcel_alg_template safexcel_alg_sha3_256;
 985extern struct safexcel_alg_template safexcel_alg_sha3_384;
 986extern struct safexcel_alg_template safexcel_alg_sha3_512;
 987extern struct safexcel_alg_template safexcel_alg_hmac_sha3_224;
 988extern struct safexcel_alg_template safexcel_alg_hmac_sha3_256;
 989extern struct safexcel_alg_template safexcel_alg_hmac_sha3_384;
 990extern struct safexcel_alg_template safexcel_alg_hmac_sha3_512;
 991extern struct safexcel_alg_template safexcel_alg_authenc_hmac_sha1_cbc_des;
 992extern struct safexcel_alg_template safexcel_alg_authenc_hmac_sha256_cbc_des3_ede;
 993extern struct safexcel_alg_template safexcel_alg_authenc_hmac_sha224_cbc_des3_ede;
 994extern struct safexcel_alg_template safexcel_alg_authenc_hmac_sha512_cbc_des3_ede;
 995extern struct safexcel_alg_template safexcel_alg_authenc_hmac_sha384_cbc_des3_ede;
 996extern struct safexcel_alg_template safexcel_alg_authenc_hmac_sha256_cbc_des;
 997extern struct safexcel_alg_template safexcel_alg_authenc_hmac_sha224_cbc_des;
 998extern struct safexcel_alg_template safexcel_alg_authenc_hmac_sha512_cbc_des;
 999extern struct safexcel_alg_template safexcel_alg_authenc_hmac_sha384_cbc_des;
1000extern struct safexcel_alg_template safexcel_alg_rfc4106_gcm;
1001extern struct safexcel_alg_template safexcel_alg_rfc4543_gcm;
1002extern struct safexcel_alg_template safexcel_alg_rfc4309_ccm;
1003
1004#endif
1005