Add new file zsda_sym_session.c, zsda_symsession.h
and modify drivers/common/zsda/meson.build
Signed-off-by: Hanxiao Li <li.hanxiao@zte.com.cn>
---
drivers/common/zsda/meson.build | 17 +-
drivers/common/zsda/zsda_device.h | 1 -
drivers/crypto/zsda/zsda_sym_session.c | 500 +++++++++++++++++++++++++
drivers/crypto/zsda/zsda_sym_session.h | 82 ++++
4 files changed, 597 insertions(+), 3 deletions(-)
create mode 100644 drivers/crypto/zsda/zsda_sym_session.c
create mode 100644 drivers/crypto/zsda/zsda_sym_session.h
diff --git a/drivers/common/zsda/meson.build b/drivers/common/zsda/meson.build
index b12ef17476..57b54201f2 100644
--- a/drivers/common/zsda/meson.build
+++ b/drivers/common/zsda/meson.build
@@ -3,7 +3,7 @@
config_flag_fmt = 'RTE_LIBRTE_@0@_COMMON'
-deps += ['bus_pci', 'compressdev']
+deps += ['bus_pci', 'cryptodev', 'compressdev']
sources += files(
'zsda_common.c',
'zsda_logs.c',
@@ -15,7 +15,6 @@ zsda_compress = true
zsda_compress_path = 'compress/zsda'
zsda_compress_relpath = '../../' + zsda_compress_path
includes += include_directories(zsda_compress_relpath)
-
if zsda_compress
zlib = dependency('zlib', required: false, method: 'pkg-config')
foreach f: ['zsda_comp_pmd.c', 'zsda_comp.c']
@@ -23,3 +22,17 @@ zlib = dependency('zlib', required: false, method: 'pkg-config')
endforeach
ext_deps += zlib
endif
+
+
+zsda_crypto = true
+zsda_crypto_path = 'crypto/zsda'
+zsda_crypto_relpath = '../../' + zsda_crypto_path
+if zsda_crypto
+libcrypto = dependency('libcrypto', required: false, method: 'pkg-config')
+ foreach f: ['zsda_sym_pmd.c', 'zsda_sym_session.c', 'zsda_sym.c']
+ sources += files(join_paths(zsda_crypto_relpath, f))
+ endforeach
+ deps += ['security']
+ ext_deps += libcrypto
+ cflags += ['-DBUILD_ZSDA_SYM']
+endif
diff --git a/drivers/common/zsda/zsda_device.h b/drivers/common/zsda/zsda_device.h
index 07dca183ab..51ff741840 100644
--- a/drivers/common/zsda/zsda_device.h
+++ b/drivers/common/zsda/zsda_device.h
@@ -18,7 +18,6 @@ struct zsda_device_info {
struct rte_pci_device *pci_dev;
- // struct rte_device sym_rte_dev;
struct rte_device sym_rte_dev;
/**< This represents the crypto sym subset of this pci device.
* Register with this rather than with the one in
diff --git a/drivers/crypto/zsda/zsda_sym_session.c b/drivers/crypto/zsda/zsda_sym_session.c
new file mode 100644
index 0000000000..47ae76791a
--- /dev/null
+++ b/drivers/crypto/zsda/zsda_sym_session.c
@@ -0,0 +1,500 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2024 ZTE Corporation
+ */
+
+#include "cryptodev_pmd.h"
+
+#include "zsda_sym_session.h"
+#include "zsda_logs.h"
+
+/**************** AES KEY EXPANSION ****************/
+/**
+ * AES S-boxes
+ * Sbox table: 8bits input convert to 8bits output
+ **/
+static const unsigned char aes_sbox[256] = {
+ // 0 1 2 3 4 5 6 7 8 9 A B
+ // C D E F
+ 0x63, 0x7c, 0x77, 0x7b, 0xf2, 0x6b, 0x6f, 0xc5, 0x30, 0x01, 0x67, 0x2b,
+ 0xfe, 0xd7, 0xab, 0x76, 0xca, 0x82, 0xc9, 0x7d, 0xfa, 0x59, 0x47, 0xf0,
+ 0xad, 0xd4, 0xa2, 0xaf, 0x9c, 0xa4, 0x72, 0xc0, 0xb7, 0xfd, 0x93, 0x26,
+ 0x36, 0x3f, 0xf7, 0xcc, 0x34, 0xa5, 0xe5, 0xf1, 0x71, 0xd8, 0x31, 0x15,
+ 0x04, 0xc7, 0x23, 0xc3, 0x18, 0x96, 0x05, 0x9a, 0x07, 0x12, 0x80, 0xe2,
+ 0xeb, 0x27, 0xb2, 0x75, 0x09, 0x83, 0x2c, 0x1a, 0x1b, 0x6e, 0x5a, 0xa0,
+ 0x52, 0x3b, 0xd6, 0xb3, 0x29, 0xe3, 0x2f, 0x84, 0x53, 0xd1, 0x00, 0xed,
+ 0x20, 0xfc, 0xb1, 0x5b, 0x6a, 0xcb, 0xbe, 0x39, 0x4a, 0x4c, 0x58, 0xcf,
+ 0xd0, 0xef, 0xaa, 0xfb, 0x43, 0x4d, 0x33, 0x85, 0x45, 0xf9, 0x02, 0x7f,
+ 0x50, 0x3c, 0x9f, 0xa8, 0x51, 0xa3, 0x40, 0x8f, 0x92, 0x9d, 0x38, 0xf5,
+ 0xbc, 0xb6, 0xda, 0x21, 0x10, 0xff, 0xf3, 0xd2, 0xcd, 0x0c, 0x13, 0xec,
+ 0x5f, 0x97, 0x44, 0x17, 0xc4, 0xa7, 0x7e, 0x3d, 0x64, 0x5d, 0x19, 0x73,
+ 0x60, 0x81, 0x4f, 0xdc, 0x22, 0x2a, 0x90, 0x88, 0x46, 0xee, 0xb8, 0x14,
+ 0xde, 0x5e, 0x0b, 0xdb, 0xe0, 0x32, 0x3a, 0x0a, 0x49, 0x06, 0x24, 0x5c,
+ 0xc2, 0xd3, 0xac, 0x62, 0x91, 0x95, 0xe4, 0x79, 0xe7, 0xc8, 0x37, 0x6d,
+ 0x8d, 0xd5, 0x4e, 0xa9, 0x6c, 0x56, 0xf4, 0xea, 0x65, 0x7a, 0xae, 0x08,
+ 0xba, 0x78, 0x25, 0x2e, 0x1c, 0xa6, 0xb4, 0xc6, 0xe8, 0xdd, 0x74, 0x1f,
+ 0x4b, 0xbd, 0x8b, 0x8a, 0x70, 0x3e, 0xb5, 0x66, 0x48, 0x03, 0xf6, 0x0e,
+ 0x61, 0x35, 0x57, 0xb9, 0x86, 0xc1, 0x1d, 0x9e, 0xe1, 0xf8, 0x98, 0x11,
+ 0x69, 0xd9, 0x8e, 0x94, 0x9b, 0x1e, 0x87, 0xe9, 0xce, 0x55, 0x28, 0xdf,
+ 0x8c, 0xa1, 0x89, 0x0d, 0xbf, 0xe6, 0x42, 0x68, 0x41, 0x99, 0x2d, 0x0f,
+ 0xb0, 0x54, 0xbb, 0x16};
+
+/**
+ * The round constant word array, Rcon[i]
+ *
+ * From Wikipedia's article on the Rijndael key schedule @
+ * https://en.wikipedia.org/wiki/Rijndael_key_schedule#Rcon "Only the first some
+ * of these constants are actually used – up to rcon[10] for AES-128 (as 11
+ * round keys are needed), up to rcon[8] for AES-192, up to rcon[7] for AES-256.
+ * rcon[0] is not used in AES algorithm."
+ */
+static const unsigned char Rcon[11] = {0x8d, 0x01, 0x02, 0x04, 0x08, 0x10,
+ 0x20, 0x40, 0x80, 0x1b, 0x36};
+
+#define GET_AES_SBOX_VAL(num) (aes_sbox[(num)])
+
+/**************** SM4 KEY EXPANSION ****************/
+/*
+ * 32-bit integer manipulation macros (big endian)
+ */
+#ifndef GET_ULONG_BE
+#define GET_ULONG_BE(n, b, i) \
+ { \
+ (n) = ((unsigned int)(b)[(i)] << 24) | \
+ ((unsigned int)(b)[(i) + 1] << 16) | \
+ ((unsigned int)(b)[(i) + 2] << 8) | \
+ ((unsigned int)(b)[(i) + 3]); \
+ }
+#endif
+
+#ifndef PUT_ULONG_BE
+#define PUT_ULONG_BE(n, b, i) \
+ { \
+ (b)[(i)] = (unsigned char)((n) >> 24); \
+ (b)[(i) + 1] = (unsigned char)((n) >> 16); \
+ (b)[(i) + 2] = (unsigned char)((n) >> 8); \
+ (b)[(i) + 3] = (unsigned char)((n)); \
+ }
+#endif
+
+/**
+ *rotate shift left marco definition
+ *
+ **/
+#define SHL(x, n) (((x)&0xFFFFFFFF) << n)
+#define ROTL(x, n) (SHL((x), n) | ((x) >> (32 - n)))
+
+/**
+ * SM4 S-boxes
+ * Sbox table: 8bits input convert to 8 bitg288s output
+ **/
+static const unsigned char sm4_sbox[16][16] = {
+ {0xd6, 0x90, 0xe9, 0xfe, 0xcc, 0xe1, 0x3d, 0xb7, 0x16, 0xb6, 0x14, 0xc2,
+ 0x28, 0xfb, 0x2c, 0x05},
+ {0x2b, 0x67, 0x9a, 0x76, 0x2a, 0xbe, 0x04, 0xc3, 0xaa, 0x44, 0x13, 0x26,
+ 0x49, 0x86, 0x06, 0x99},
+ {0x9c, 0x42, 0x50, 0xf4, 0x91, 0xef, 0x98, 0x7a, 0x33, 0x54, 0x0b, 0x43,
+ 0xed, 0xcf, 0xac, 0x62},
+ {0xe4, 0xb3, 0x1c, 0xa9, 0xc9, 0x08, 0xe8, 0x95, 0x80, 0xdf, 0x94, 0xfa,
+ 0x75, 0x8f, 0x3f, 0xa6},
+ {0x47, 0x07, 0xa7, 0xfc, 0xf3, 0x73, 0x17, 0xba, 0x83, 0x59, 0x3c, 0x19,
+ 0xe6, 0x85, 0x4f, 0xa8},
+ {0x68, 0x6b, 0x81, 0xb2, 0x71, 0x64, 0xda, 0x8b, 0xf8, 0xeb, 0x0f, 0x4b,
+ 0x70, 0x56, 0x9d, 0x35},
+ {0x1e, 0x24, 0x0e, 0x5e, 0x63, 0x58, 0xd1, 0xa2, 0x25, 0x22, 0x7c, 0x3b,
+ 0x01, 0x21, 0x78, 0x87},
+ {0xd4, 0x00, 0x46, 0x57, 0x9f, 0xd3, 0x27, 0x52, 0x4c, 0x36, 0x02, 0xe7,
+ 0xa0, 0xc4, 0xc8, 0x9e},
+ {0xea, 0xbf, 0x8a, 0xd2, 0x40, 0xc7, 0x38, 0xb5, 0xa3, 0xf7, 0xf2, 0xce,
+ 0xf9, 0x61, 0x15, 0xa1},
+ {0xe0, 0xae, 0x5d, 0xa4, 0x9b, 0x34, 0x1a, 0x55, 0xad, 0x93, 0x32, 0x30,
+ 0xf5, 0x8c, 0xb1, 0xe3},
+ {0x1d, 0xf6, 0xe2, 0x2e, 0x82, 0x66, 0xca, 0x60, 0xc0, 0x29, 0x23, 0xab,
+ 0x0d, 0x53, 0x4e, 0x6f},
+ {0xd5, 0xdb, 0x37, 0x45, 0xde, 0xfd, 0x8e, 0x2f, 0x03, 0xff, 0x6a, 0x72,
+ 0x6d, 0x6c, 0x5b, 0x51},
+ {0x8d, 0x1b, 0xaf, 0x92, 0xbb, 0xdd, 0xbc, 0x7f, 0x11, 0xd9, 0x5c, 0x41,
+ 0x1f, 0x10, 0x5a, 0xd8},
+ {0x0a, 0xc1, 0x31, 0x88, 0xa5, 0xcd, 0x7b, 0xbd, 0x2d, 0x74, 0xd0, 0x12,
+ 0xb8, 0xe5, 0xb4, 0xb0},
+ {0x89, 0x69, 0x97, 0x4a, 0x0c, 0x96, 0x77, 0x7e, 0x65, 0xb9, 0xf1, 0x09,
+ 0xc5, 0x6e, 0xc6, 0x84},
+ {0x18, 0xf0, 0x7d, 0xec, 0x3a, 0xdc, 0x4d, 0x20, 0x79, 0xee, 0x5f, 0x3e,
+ 0xd7, 0xcb, 0x39, 0x48},
+};
+
+/* System parameter */
+static const unsigned int FK[4] = {0xa3b1bac6, 0x56aa3350, 0x677d9197,
+ 0xb27022dc};
+
+/* fixed parameter */
+static const unsigned int CK[32] = {
+ 0x00070e15, 0x1c232a31, 0x383f464d, 0x545b6269, 0x70777e85, 0x8c939aa1,
+ 0xa8afb6bd, 0xc4cbd2d9, 0xe0e7eef5, 0xfc030a11, 0x181f262d, 0x343b4249,
+ 0x50575e65, 0x6c737a81, 0x888f969d, 0xa4abb2b9, 0xc0c7ced5, 0xdce3eaf1,
+ 0xf8ff060d, 0x141b2229, 0x30373e45, 0x4c535a61, 0x686f767d, 0x848b9299,
+ 0xa0a7aeb5, 0xbcc3cad1, 0xd8dfe6ed, 0xf4fb0209, 0x10171e25, 0x2c333a41,
+ 0x484f565d, 0x646b7279};
+
+/*
+ * private function:
+ * look up in SM4 S-boxes and get the related value.
+ * args: [in] inch: 0x00~0xFF (8 bits unsigned value).
+ */
+static unsigned char
+sm4Sbox(unsigned char inch)
+{
+ unsigned char *pTable = (unsigned char *)sm4_sbox;
+ unsigned char retVal = (unsigned char)(pTable[inch]);
+ return retVal;
+}
+
+/* private function:
+ * Calculating round encryption key.
+ * args: [in] ka: ka is a 32 bits unsigned value;
+ * return: sk[i]: i{0,1,2,3,...31}.
+ */
+static unsigned int
+sm4CalciRK(unsigned int ka)
+{
+ unsigned int bb = 0;
+ unsigned int rk = 0;
+ unsigned char a[4];
+ unsigned char b[4];
+
+ PUT_ULONG_BE(ka, a, 0)
+ b[0] = sm4Sbox(a[0]);
+ b[1] = sm4Sbox(a[1]);
+ b[2] = sm4Sbox(a[2]);
+ b[3] = sm4Sbox(a[3]);
+ GET_ULONG_BE(bb, b, 0)
+ rk = bb ^ (ROTL(bb, 13)) ^ (ROTL(bb, 23));
+ return rk;
+}
+
+static void
+zsda_sm4_key_expansion(unsigned int SK[32], const uint8_t key[16])
+{
+ unsigned int MK[4];
+ unsigned int k[36];
+ unsigned int i = 0;
+
+ GET_ULONG_BE(MK[0], key, 0);
+ GET_ULONG_BE(MK[1], key, 4);
+ GET_ULONG_BE(MK[2], key, 8);
+ GET_ULONG_BE(MK[3], key, 12);
+ k[0] = MK[0] ^ FK[0];
+ k[1] = MK[1] ^ FK[1];
+ k[2] = MK[2] ^ FK[2];
+ k[3] = MK[3] ^ FK[3];
+ for (; i < 32; i++) {
+ k[i + 4] = k[i] ^
+ (sm4CalciRK(k[i + 1] ^ k[i + 2] ^ k[i + 3] ^ CK[i]));
+ SK[i] = k[i + 4];
+ }
+}
+
+static void
+u32_to_u8(uint32_t *u_int32_t_data, uint8_t *u8_data)
+{
+ *(u8_data + 0) = ((*u_int32_t_data & 0xFF000000) >> 24) & (0xFF);
+ *(u8_data + 1) = ((*u_int32_t_data & 0x00FF0000) >> 16) & (0xFF);
+ *(u8_data + 2) = ((*u_int32_t_data & 0x0000FF00) >> 8) & (0xFF);
+ *(u8_data + 3) = (*u_int32_t_data & 0x000000FF);
+}
+
+static void
+zsda_aes_key_expansion(uint8_t *round_key, uint32_t round_num,
+ const uint8_t *key, uint32_t key_len)
+{
+ uint32_t i, j, k, nk, nr;
+ uint8_t tempa[4];
+
+ nk = key_len >> 2;
+ nr = round_num;
+
+ // The first round key is the key itself.
+ for (i = 0; i < nk; ++i) {
+ round_key[(i * 4) + 0] = key[(i * 4) + 0];
+
+ round_key[(i * 4) + 1] = key[(i * 4) + 1];
+
+ round_key[(i * 4) + 2] = key[(i * 4) + 2];
+ round_key[(i * 4) + 3] = key[(i * 4) + 3];
+ }
+
+ // All other round keys are found from the previous round keys.
+ for (i = nk; i < (4 * (nr + 1)); ++i) {
+ k = (i - 1) * 4;
+ tempa[0] = round_key[k + 0];
+ tempa[1] = round_key[k + 1];
+ tempa[2] = round_key[k + 2];
+ tempa[3] = round_key[k + 3];
+
+ if ((nk != 0) && ((i % nk) == 0)) {
+ // This function shifts the 4 bytes in a word to the
+ // left once. [a0,a1,a2,a3] becomes [a1,a2,a3,a0]
+ // Function RotWord()
+ {
+ const u_int8_t u8tmp = tempa[0];
+
+ tempa[0] = tempa[1];
+ tempa[1] = tempa[2];
+ tempa[2] = tempa[3];
+ tempa[3] = u8tmp;
+ }
+
+ // SubWord() is a function that takes a four-byte input
+ // word and applies the S-box to each of the four bytes
+ // to produce an output word. Function Subword()
+ {
+ tempa[0] = GET_AES_SBOX_VAL(tempa[0]);
+ tempa[1] = GET_AES_SBOX_VAL(tempa[1]);
+ tempa[2] = GET_AES_SBOX_VAL(tempa[2]);
+ tempa[3] = GET_AES_SBOX_VAL(tempa[3]);
+ }
+
+ tempa[0] = tempa[0] ^ Rcon[i / nk];
+ }
+
+ if (nk == 8) {
+ if ((i % nk) == 4) {
+ // Function Subword()
+ {
+ tempa[0] = GET_AES_SBOX_VAL(tempa[0]);
+ tempa[1] = GET_AES_SBOX_VAL(tempa[1]);
+ tempa[2] = GET_AES_SBOX_VAL(tempa[2]);
+ tempa[3] = GET_AES_SBOX_VAL(tempa[3]);
+ }
+ }
+ }
+
+ j = i * 4;
+ k = (i - nk) * 4;
+ round_key[j + 0] = round_key[k + 0] ^ tempa[0];
+ round_key[j + 1] = round_key[k + 1] ^ tempa[1];
+ round_key[j + 2] = round_key[k + 2] ^ tempa[2];
+ round_key[j + 3] = round_key[k + 3] ^ tempa[3];
+ }
+}
+
+static void
+zsda_decry_set_key(uint8_t key[64], const uint8_t *key1_ptr, uint8_t skey_len,
+ enum rte_crypto_cipher_algorithm algo)
+{
+ uint8_t round_num;
+ uint8_t dec_key1[ZSDA_AES_MAX_KEY_BYTE_LEN] = {0};
+ uint8_t aes_round_key[ZSDA_AES_MAX_EXP_BYTE_SIZE] = {0};
+ uint32_t sm4_round_key[ZSDA_SM4_MAX_EXP_DWORD_SIZE] = {0};
+
+ switch (algo) {
+ case RTE_CRYPTO_CIPHER_AES_XTS:
+ round_num = (skey_len == ZSDA_SYM_XTS_256_SKEY_LEN)
+ ? ZSDA_AES256_ROUND_NUM
+ : ZSDA_AES512_ROUND_NUM;
+ zsda_aes_key_expansion(aes_round_key, round_num, key1_ptr,
+ skey_len);
+ rte_memcpy(dec_key1,
+ ((uint8_t *)aes_round_key + (16 * round_num)), 16);
+
+ if (skey_len == ZSDA_SYM_XTS_512_SKEY_LEN &&
+ (16 * round_num) <= ZSDA_AES_MAX_EXP_BYTE_SIZE) {
+ for (int i = 0; i < 16; i++) {
+ dec_key1[i + 16] =
+ aes_round_key[(16 * (round_num - 1)) + i];
+ }
+ }
+ break;
+ case RTE_CRYPTO_CIPHER_SM4_XTS:
+ zsda_sm4_key_expansion(sm4_round_key, key1_ptr);
+ for (size_t i = 0; i < 4; i++)
+ u32_to_u8((uint32_t *)sm4_round_key +
+ ZSDA_SM4_MAX_EXP_DWORD_SIZE - 1 - i,
+ dec_key1 + (4 * i));
+ break;
+ default:
+ ZSDA_LOG(ERR, "unknown cipher algo!");
+ return;
+ }
+
+ if (skey_len == ZSDA_SYM_XTS_256_SKEY_LEN) {
+ zsda_reverse_memcpy((uint8_t *)key + ZSDA_SYM_XTS_256_KEY2_OFF,
+ key1_ptr + skey_len, skey_len);
+ zsda_reverse_memcpy((uint8_t *)key + ZSDA_SYM_XTS_256_KEY1_OFF,
+ dec_key1, skey_len);
+ } else {
+ zsda_reverse_memcpy(key, key1_ptr + skey_len, skey_len);
+ zsda_reverse_memcpy((uint8_t *)key + ZSDA_SYM_XTS_512_KEY1_OFF,
+ dec_key1, skey_len);
+ }
+}
+
+static uint8_t
+zsda_sym_lbads(uint32_t dataunit_len)
+{
+ uint8_t lbads;
+
+ switch (dataunit_len) {
+ case ZSDA_AES_LBADS_512:
+ lbads = ZSDA_AES_LBADS_INDICATE_512;
+ break;
+ case ZSDA_AES_LBADS_4096:
+ lbads = ZSDA_AES_LBADS_INDICATE_4096;
+ break;
+ case ZSDA_AES_LBADS_8192:
+ lbads = ZSDA_AES_LBADS_INDICATE_8192;
+ break;
+ case ZSDA_AES_LBADS_0:
+ lbads = ZSDA_AES_LBADS_INDICATE_0;
+ break;
+ default:
+ ZSDA_LOG(ERR, "dataunit_len should be 0/512/4096/8192 - %d.",
+ dataunit_len);
+ lbads = ZSDA_AES_LBADS_INDICATE_INVALID;
+ break;
+ }
+ return lbads;
+}
+
+static int
+zsda_set_session_cipher(struct zsda_sym_session *sess,
+ struct rte_crypto_cipher_xform *cipher_xform)
+{
+ uint8_t skey_len = 0;
+ const uint8_t *key1_ptr = NULL;
+
+ if (cipher_xform->key.length > ZSDA_CIPHER_KEY_MAX_LEN) {
+ ZSDA_LOG(ERR, "key length not supported");
+ return -EINVAL;
+ }
+
+ sess->chain_order = ZSDA_SYM_CHAIN_ONLY_CIPHER;
+ sess->cipher.iv.offset = cipher_xform->iv.offset;
+ sess->cipher.iv.length = cipher_xform->iv.length;
+ sess->cipher.op = cipher_xform->op;
+ sess->cipher.algo = cipher_xform->algo;
+ sess->cipher.dataunit_len = cipher_xform->dataunit_len;
+ sess->cipher.lbads = zsda_sym_lbads(cipher_xform->dataunit_len);
+ if (sess->cipher.lbads == 0xff) {
+ ZSDA_LOG(ERR, "dataunit_len wrong!");
+ return -EINVAL;
+ }
+
+ skey_len = (cipher_xform->key.length / 2) & 0xff;
+
+ /* key set */
+ if (sess->cipher.op == RTE_CRYPTO_CIPHER_OP_ENCRYPT) {
+ sess->cipher.key_encry.length = cipher_xform->key.length;
+ if (skey_len == ZSDA_SYM_XTS_256_SKEY_LEN) {
+ zsda_reverse_memcpy((uint8_t *)sess->cipher.key_encry.data +
+ ZSDA_SYM_XTS_256_KEY2_OFF,
+ (cipher_xform->key.data + skey_len),
+ skey_len);
+ zsda_reverse_memcpy(((uint8_t *)sess->cipher.key_encry.data +
+ ZSDA_SYM_XTS_256_KEY1_OFF),
+ cipher_xform->key.data, skey_len);
+ } else
+ zsda_reverse_memcpy((uint8_t *)sess->cipher.key_encry.data,
+ cipher_xform->key.data,
+ cipher_xform->key.length);
+ } else if (sess->cipher.op == RTE_CRYPTO_CIPHER_OP_DECRYPT) {
+ sess->cipher.key_decry.length = cipher_xform->key.length;
+ key1_ptr = cipher_xform->key.data;
+ zsda_decry_set_key(sess->cipher.key_decry.data, key1_ptr, skey_len,
+ sess->cipher.algo);
+ }
+
+ return 0;
+}
+
+static void
+zsda_set_session_auth(struct zsda_sym_session *sess,
+ struct rte_crypto_auth_xform *xform)
+{
+ sess->auth.op = xform->op;
+ sess->auth.algo = xform->algo;
+ sess->auth.digest_length = xform->digest_length;
+ sess->chain_order = ZSDA_SYM_CHAIN_ONLY_AUTH;
+}
+
+static struct rte_crypto_auth_xform *
+zsda_get_auth_xform(struct rte_crypto_sym_xform *xform)
+{
+ do {
+ if (xform->type == RTE_CRYPTO_SYM_XFORM_AUTH)
+ return &xform->auth;
+
+ xform = xform->next;
+ } while (xform);
+
+ return NULL;
+}
+
+static struct rte_crypto_cipher_xform *
+zsda_get_cipher_xform(struct rte_crypto_sym_xform *xform)
+{
+ do {
+ if (xform->type == RTE_CRYPTO_SYM_XFORM_CIPHER)
+ return &xform->cipher;
+
+ xform = xform->next;
+ } while (xform);
+
+ return NULL;
+}
+
+/** Configure the session from a crypto xform chain */
+static enum zsda_sym_chain_order
+zsda_crypto_get_chain_order(const struct rte_crypto_sym_xform *xform)
+{
+ enum zsda_sym_chain_order res = ZSDA_SYM_CHAIN_NOT_SUPPORTED;
+
+ if (xform != NULL) {
+ if (xform->type == RTE_CRYPTO_SYM_XFORM_AUTH) {
+ if (xform->next == NULL)
+ res = ZSDA_SYM_CHAIN_ONLY_AUTH;
+ else if (xform->next->type ==
+ RTE_CRYPTO_SYM_XFORM_CIPHER)
+ res = ZSDA_SYM_CHAIN_AUTH_CIPHER;
+ }
+ if (xform->type == RTE_CRYPTO_SYM_XFORM_CIPHER) {
+ if (xform->next == NULL)
+ res = ZSDA_SYM_CHAIN_ONLY_CIPHER;
+ else if (xform->next->type == RTE_CRYPTO_SYM_XFORM_AUTH)
+ res = ZSDA_SYM_CHAIN_CIPHER_AUTH;
+ }
+ }
+
+ return res;
+}
+
+/* Set session cipher parameters */
+int
+zsda_crypto_set_session_parameters(void *sess_priv,
+ struct rte_crypto_sym_xform *xform)
+{
+
+ struct zsda_sym_session *sess = (struct zsda_sym_session *) sess_priv;
+ struct rte_crypto_cipher_xform *cipher_xform =
+ zsda_get_cipher_xform(xform);
+ struct rte_crypto_auth_xform *auth_xform =
+ zsda_get_auth_xform(xform);
+
+ int ret = 0;
+
+ sess->chain_order = zsda_crypto_get_chain_order(xform);
+ switch (sess->chain_order) {
+ case ZSDA_SYM_CHAIN_ONLY_CIPHER:
+ zsda_set_session_cipher(sess, cipher_xform);
+ break;
+ case ZSDA_SYM_CHAIN_ONLY_AUTH:
+ zsda_set_session_auth(sess, auth_xform);
+ break;
+
+ default:
+ ZSDA_LOG(ERR, "Invalid chain order");
+ ret = -EINVAL;
+ break;
+ }
+
+ return ret;
+}
diff --git a/drivers/crypto/zsda/zsda_sym_session.h b/drivers/crypto/zsda/zsda_sym_session.h
new file mode 100644
index 0000000000..1797e46cb3
--- /dev/null
+++ b/drivers/crypto/zsda/zsda_sym_session.h
@@ -0,0 +1,82 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2024 ZTE Corporation
+ */
+
+#ifndef _ZSDA_SYM_SESSION_H_
+#define _ZSDA_SYM_SESSION_H_
+
+#include "zsda_sym.h"
+
+#define ZSDA_SYM_XTS_IV_SLBA_OFF (8)
+#define ZSDA_SYM_XTS_256_SKEY_LEN (16)
+#define ZSDA_SYM_XTS_512_SKEY_LEN (32)
+#define ZSDA_SYM_XTS_256_KEY2_OFF (16)
+#define ZSDA_SYM_XTS_256_KEY1_OFF (48)
+#define ZSDA_SYM_XTS_512_KEY1_OFF (32)
+#define ZSDA_SYM_MIN_SRC_LEN_HASH (16)
+
+#define ZSDA_AES256_ROUND_NUM (10)
+#define ZSDA_AES512_ROUND_NUM (14)
+#define ZSDA_AES_MAX_EXP_BYTE_SIZE (240)
+#define ZSDA_AES_MAX_KEY_BYTE_LEN (32)
+#define ZSDA_SM4_MAX_EXP_DWORD_SIZE (32)
+
+#define ZSDA_AES_LBADS_0 (0)
+#define ZSDA_AES_LBADS_512 (512)
+#define ZSDA_AES_LBADS_4096 (4096)
+#define ZSDA_AES_LBADS_8192 (8192)
+
+#define ZSDA_AES_LBADS_INDICATE_0 (0x0)
+#define ZSDA_AES_LBADS_INDICATE_512 (0x9)
+#define ZSDA_AES_LBADS_INDICATE_4096 (0xC)
+#define ZSDA_AES_LBADS_INDICATE_8192 (0xD)
+#define ZSDA_AES_LBADS_INDICATE_INVALID (0xff)
+
+enum zsda_sym_chain_order {
+ ZSDA_SYM_CHAIN_ONLY_CIPHER,
+ ZSDA_SYM_CHAIN_ONLY_AUTH,
+ ZSDA_SYM_CHAIN_CIPHER_AUTH,
+ ZSDA_SYM_CHAIN_AUTH_CIPHER,
+ ZSDA_SYM_CHAIN_NOT_SUPPORTED
+};
+
+struct __rte_cache_aligned zsda_sym_session {
+ enum zsda_sym_chain_order chain_order;
+
+ /* Cipher Parameters */
+ struct {
+ enum rte_crypto_cipher_operation op;
+ enum rte_crypto_cipher_algorithm algo;
+ struct {
+ uint8_t data[ZSDA_CIPHER_KEY_MAX_LEN];
+ size_t length;
+ } key_encry;
+ struct {
+ uint8_t data[ZSDA_CIPHER_KEY_MAX_LEN];
+ size_t length;
+ } key_decry;
+ struct {
+ uint32_t offset;
+ size_t length;
+ } iv;
+
+ uint32_t dataunit_len;
+ uint8_t lbads;
+ } cipher;
+
+ struct {
+ enum rte_crypto_auth_operation op;
+ /* Auth operation */
+ enum rte_crypto_auth_algorithm algo;
+ /* Auth algorithm */
+ uint16_t digest_length;
+ } auth;
+
+ bool cipher_first;
+};
+
+
+int zsda_crypto_set_session_parameters(void *sess_priv,
+ struct rte_crypto_sym_xform *xform);
+
+#endif /* _ZSDA_SYM_SESSION_H_ */
--
2.27.0