/*
* QTest testcase for the ASPEED Hash and Crypto Engine
*
* SPDX-License-Identifier: GPL-2.0-or-later
* Copyright 2021 IBM Corp.
*/
#include "qemu/osdep.h"
#include "libqos/libqtest.h"
#include "qemu-common.h"
#include "qemu/bitops.h"
#define HACE_CMD 0x10
#define HACE_SHA_BE_EN BIT(3)
#define HACE_MD5_LE_EN BIT(2)
#define HACE_ALGO_MD5 0
#define HACE_ALGO_SHA1 BIT(5)
#define HACE_ALGO_SHA224 BIT(6)
#define HACE_ALGO_SHA256 (BIT(4) | BIT(6))
#define HACE_ALGO_SHA512 (BIT(5) | BIT(6))
#define HACE_ALGO_SHA384 (BIT(5) | BIT(6) | BIT(10))
#define HACE_SG_EN BIT(18)
#define HACE_STS 0x1c
#define HACE_RSA_ISR BIT(13)
#define HACE_CRYPTO_ISR BIT(12)
#define HACE_HASH_ISR BIT(9)
#define HACE_RSA_BUSY BIT(2)
#define HACE_CRYPTO_BUSY BIT(1)
#define HACE_HASH_BUSY BIT(0)
#define HACE_HASH_SRC 0x20
#define HACE_HASH_DIGEST 0x24
#define HACE_HASH_KEY_BUFF 0x28
#define HACE_HASH_DATA_LEN 0x2c
#define HACE_HASH_CMD 0x30
/* Scatter-Gather Hash */
#define SG_LIST_LEN_LAST BIT(31)
struct AspeedSgList {
uint32_t len;
uint32_t addr;
} __attribute__ ((__packed__));
/*
* Test vector is the ascii "abc"
*
* Expected results were generated using command line utitiles:
*
* echo -n -e 'abc' | dd of=/tmp/test
* for hash in sha512sum sha256sum md5sum; do $hash /tmp/test; done
*
*/
static const uint8_t test_vector[] = {0x61, 0x62, 0x63};
static const uint8_t test_result_sha512[] = {
0xdd, 0xaf, 0x35, 0xa1, 0x93, 0x61, 0x7a, 0xba, 0xcc, 0x41, 0x73, 0x49,
0xae, 0x20, 0x41, 0x31, 0x12, 0xe6, 0xfa, 0x4e, 0x89, 0xa9, 0x7e, 0xa2,
0x0a, 0x9e, 0xee, 0xe6, 0x4b, 0x55, 0xd3, 0x9a, 0x21, 0x92, 0x99, 0x2a,
0x27, 0x4f, 0xc1, 0xa8, 0x36, 0xba, 0x3c, 0x23, 0xa3, 0xfe, 0xeb, 0xbd,
0x45, 0x4d, 0x44, 0x23, 0x64, 0x3c, 0xe8, 0x0e, 0x2a, 0x9a, 0xc9, 0x4f,
0xa5, 0x4c, 0xa4, 0x9f};
static const uint8_t test_result_sha256[] = {
0xba, 0x78, 0x16, 0xbf, 0x8f, 0x01, 0xcf, 0xea, 0x41, 0x41, 0x40, 0xde,
0x5d, 0xae, 0x22, 0x23, 0xb0, 0x03, 0x61, 0xa3, 0x96, 0x17, 0x7a, 0x9c,
0xb4, 0x10, 0xff, 0x61, 0xf2, 0x00, 0x15, 0xad};
static const uint8_t test_result_md5[] = {
0x90, 0x01, 0x50, 0x98, 0x3c, 0xd2, 0x4f, 0xb0, 0xd6, 0x96, 0x3f, 0x7d,
0x28, 0xe1, 0x7f, 0x72};
/*
* The Scatter-Gather Test vector is the ascii "abc" "def" "ghi", broken
* into blocks of 3 characters as shown
*
* Expected results were generated using command line utitiles:
*
* echo -n -e 'abcdefghijkl' | dd of=/tmp/test
* for hash in sha512sum sha256sum; do $hash /tmp/test; done
*
*/
static const uint8_t test_vector_sg1[] = {0x61, 0x62, 0x63, 0x64, 0x65, 0x66};
static const uint8_t test_vector_sg2[] = {0x67, 0x68, 0x69};
static const uint8_t test_vector_sg3[] = {0x6a, 0x6b, 0x6c};
static const uint8_t test_result_sg_sha512[] = {
0x17, 0x80, 0x7c, 0x72, 0x8e, 0xe3, 0xba, 0x35, 0xe7, 0xcf, 0x7a, 0xf8,
0x23, 0x11, 0x6d, 0x26, 0xe4, 0x1e, 0x5d, 0x4d, 0x6c, 0x2f, 0xf1, 0xf3,
0x72, 0x0d, 0x3d, 0x96, 0xaa, 0xcb, 0x6f, 0x69, 0xde, 0x64, 0x2e, 0x63,
0xd5, 0xb7, 0x3f, 0xc3, 0x96, 0xc1, 0x2b, 0xe3, 0x8b, 0x2b, 0xd5, 0xd8,
0x84, 0x25, 0x7c, 0x32, 0xc8, 0xf6, 0xd0, 0x85, 0x4a, 0xe6, 0xb5, 0x40,
0xf8, 0x6d, 0xda, 0x2e};
static const uint8_t test_result_sg_sha256[] = {
0xd6, 0x82, 0xed, 0x4c, 0xa4, 0xd9, 0x89, 0xc1, 0x34, 0xec, 0x94, 0xf1,
0x55, 0x1e, 0x1e, 0xc5, 0x80, 0xdd, 0x6d, 0x5a, 0x6e, 0xcd, 0xe9, 0xf3,
0xd3, 0x5e, 0x6e, 0x4a, 0x71, 0x7f, 0xbd, 0xe4};
static void write_regs(QTestState *s, uint32_t base, uint32_t src,
uint32_t length, uint32_t out, uint32_t method)
{
qtest_writel(s, base + HACE_HASH_SRC, src);
qtest_writel(s, base + HACE_HASH_DIGEST, out);
qtest_writel(s, base + HACE_HASH_DATA_LEN, length);
qtest_writel(s, base + HACE_HASH_CMD, HACE_SHA_BE_EN | method);
}
static void test_md5(const char *machine, const uint32_t base,
const uint32_t src_addr)
{
QTestState *s = qtest_init(machine);
uint32_t digest_addr = src_addr + 0x01000000;
uint8_t digest[16] = {0};
/* Check engine is idle, no busy or irq bits set */
g_assert_cmphex(qtest_readl(s, base + HACE_STS), ==, 0);
/* Write test vector into memory */
qtest_memwrite(s, src_addr, test_vector, sizeof(test_vector));
write_regs(s, base, src_addr, sizeof(test_vector), digest_addr, HACE_ALGO_MD5);
/* Check hash IRQ status is asserted */
g_assert_cmphex(qtest_readl(s, base + HACE_STS), ==, 0x00000200);
/* Clear IRQ status and check status is deasserted */
qtest_writel(s, base + HACE_STS, 0x00000200);
g_assert_cmphex(qtest_readl(s, base + HACE_STS), ==, 0);
/* Read computed digest from memory */
qtest_memread(s, digest_addr, digest, sizeof(digest));
/* Check result of computation */
g_assert_cmpmem(digest, sizeof(digest),
test_result_md5, sizeof(digest));
qtest_quit(s);
}
static void test_sha256(const char *machine, const uint32_t base,
const uint32_t src_addr)
{
QTestState *s = qtest_init(machine);
const uint32_t digest_addr = src_addr + 0x1000000;
uint8_t digest[32] = {0};
/* Check engine is idle, no busy or irq bits set */
g_assert_cmphex(qtest_readl(s, base + HACE_STS), ==, 0);
/* Write test vector into memory */
qtest_memwrite(s, src_addr, test_vector, sizeof(test_vector));
write_regs(s, base, src_addr, sizeof(test_vector), digest_addr, HACE_ALGO_SHA256);
/* Check hash IRQ status is asserted */
g_assert_cmphex(qtest_readl(s, base + HACE_STS), ==, 0x00000200);
/* Clear IRQ status and check status is deasserted */
qtest_writel(s, base + HACE_STS, 0x00000200);
g_assert_cmphex(qtest_readl(s, base + HACE_STS), ==, 0);
/* Read computed digest from memory */
qtest_memread(s, digest_addr, digest, sizeof(digest));
/* Check result of computation */
g_assert_cmpmem(digest, sizeof(digest),
test_result_sha256, sizeof(digest));
qtest_quit(s);
}
static void test_sha512(const char *machine, const uint32_t base,
const uint32_t src_addr)
{
QTestState *s = qtest_init(machine);
const uint32_t digest_addr = src_addr + 0x1000000;
uint8_t digest[64] = {0};
/* Check engine is idle, no busy or irq bits set */
g_assert_cmphex(qtest_readl(s, base + HACE_STS), ==, 0);
/* Write test vector into memory */
qtest_memwrite(s, src_addr, test_vector, sizeof(test_vector));
write_regs(s, base, src_addr, sizeof(test_vector), digest_addr, HACE_ALGO_SHA512);
/* Check hash IRQ status is asserted */
g_assert_cmphex(qtest_readl(s, base + HACE_STS), ==, 0x00000200);
/* Clear IRQ status and check status is deasserted */
qtest_writel(s, base + HACE_STS, 0x00000200);
g_assert_cmphex(qtest_readl(s, base + HACE_STS), ==, 0);
/* Read computed digest from memory */
qtest_memread(s, digest_addr, digest, sizeof(digest));
/* Check result of computation */
g_assert_cmpmem(digest, sizeof(digest),
test_result_sha512, sizeof(digest));
qtest_quit(s);
}
static void test_sha256_sg(const char *machine, const uint32_t base,
const uint32_t src_addr)
{
QTestState *s = qtest_init(machine);
const uint32_t src_addr_1 = src_addr + 0x1000000;
const uint32_t src_addr_2 = src_addr + 0x2000000;
const uint32_t src_addr_3 = src_addr + 0x3000000;
const uint32_t digest_addr = src_addr + 0x4000000;
uint8_t digest[32] = {0};
struct AspeedSgList array[] = {
{ cpu_to_le32(sizeof(test_vector_sg1)),
cpu_to_le32(src_addr_1) },
{ cpu_to_le32(sizeof(test_vector_sg2)),
cpu_to_le32(src_addr_2) },
{ cpu_to_le32(sizeof(test_vector_sg3) | SG_LIST_LEN_LAST),
cpu_to_le32(src_addr_3) },
};
/* Check engine is idle, no busy or irq bits set */
g_assert_cmphex(qtest_readl(s, base + HACE_STS), ==, 0);
/* Write test vector into memory */
qtest_memwrite(s, src_addr_1, test_vector_sg1, sizeof(test_vector_sg1));
qtest_memwrite(s, src_addr_2, test_vector_sg2, sizeof(test_vector_sg2));
qtest_memwrite(s, src_addr_3, test_vector_sg3, sizeof(test_vector_sg3));
qtest_memwrite(s, src_addr, array, sizeof(array));
write_regs(s, base, src_addr,
(sizeof(test_vector_sg1)
+ sizeof(test_vector_sg2)
+ sizeof(test_vector_sg3)),
digest_addr, HACE_ALGO_SHA256 | HACE_SG_EN);
/* Check hash IRQ status is asserted */
g_assert_cmphex(qtest_readl(s, base + HACE_STS), ==, 0x00000200);
/* Clear IRQ status and check status is deasserted */
qtest_writel(s, base + HACE_STS, 0x00000200);
g_assert_cmphex(qtest_readl(s, base + HACE_STS), ==, 0);
/* Read computed digest from memory */
qtest_memread(s, digest_addr, digest, sizeof(digest));
/* Check result of computation */
g_assert_cmpmem(digest, sizeof(digest),
test_result_sg_sha256, sizeof(digest));
qtest_quit(s);
}
static void test_sha512_sg(const char *machine, const uint32_t base,
const uint32_t src_addr)
{
QTestState *s = qtest_init(machine);
const uint32_t src_addr_1 = src_addr + 0x1000000;
const uint32_t src_addr_2 = src_addr + 0x2000000;
const uint32_t src_addr_3 = src_addr + 0x3000000;
const uint32_t digest_addr = src_addr + 0x4000000;
uint8_t digest[64] = {0};
struct AspeedSgList array[] = {
{ cpu_to_le32(sizeof(test_vector_sg1)),
cpu_to_le32(src_addr_1) },
{ cpu_to_le32(sizeof(test_vector_sg2)),
cpu_to_le32(src_addr_2) },
{ cpu_to_le32(sizeof(test_vector_sg3) | SG_LIST_LEN_LAST),
cpu_to_le32(src_addr_3) },
};
/* Check engine is idle, no busy or irq bits set */
g_assert_cmphex(qtest_readl(s, base + HACE_STS), ==, 0);
/* Write test vector into memory */
qtest_memwrite(s, src_addr_1, test_vector_sg1, sizeof(test_vector_sg1));
qtest_memwrite(s, src_addr_2, test_vector_sg2, sizeof(test_vector_sg2));
qtest_memwrite(s, src_addr_3, test_vector_sg3, sizeof(test_vector_sg3));
qtest_memwrite(s, src_addr, array, sizeof(array));
write_regs(s, base, src_addr,
(sizeof(test_vector_sg1)
+ sizeof(test_vector_sg2)
+ sizeof(test_vector_sg3)),
digest_addr, HACE_ALGO_SHA512 | HACE_SG_EN);
/* Check hash IRQ status is asserted */
g_assert_cmphex(qtest_readl(s, base + HACE_STS), ==, 0x00000200);
/* Clear IRQ status and check status is deasserted */
qtest_writel(s, base + HACE_STS, 0x00000200);
g_assert_cmphex(qtest_readl(s, base + HACE_STS), ==, 0);
/* Read computed digest from memory */
qtest_memread(s, digest_addr, digest, sizeof(digest));
/* Check result of computation */
g_assert_cmpmem(digest, sizeof(digest),
test_result_sg_sha512, sizeof(digest));
qtest_quit(s);
}
struct masks {
uint32_t src;
uint32_t dest;
uint32_t len;
};
static const struct masks ast2600_masks = {
.src = 0x7fffffff,
.dest = 0x7ffffff8,
.len = 0x0fffffff,
};
static const struct masks ast2500_masks = {
.src = 0x3fffffff,
.dest = 0x3ffffff8,
.len = 0x0fffffff,
};
static const struct masks ast2400_masks = {
.src = 0x0fffffff,
.dest = 0x0ffffff8,
.len = 0x0fffffff,
};
static void test_addresses(const char *machine, const uint32_t base,
const struct masks *expected)
{
QTestState *s = qtest_init(machine);
/*
* Check command mode is zero, meaning engine is in direct access mode,
* as this affects the masking behavior of the HASH_SRC register.
*/
g_assert_cmphex(qtest_readl(s, base + HACE_CMD), ==, 0);
g_assert_cmphex(qtest_readl(s, base + HACE_HASH_SRC), ==, 0);
g_assert_cmphex(qtest_readl(s, base + HACE_HASH_DIGEST), ==, 0);
g_assert_cmphex(qtest_readl(s, base + HACE_HASH_DATA_LEN), ==, 0);
/* Check that the address masking is correct */
qtest_writel(s, base + HACE_HASH_SRC, 0xffffffff);
g_assert_cmphex(qtest_readl(s, base + HACE_HASH_SRC), ==, expected->src);
qtest_writel(s, base + HACE_HASH_DIGEST, 0xffffffff);
g_assert_cmphex(qtest_readl(s, base + HACE_HASH_DIGEST), ==, expected->dest);
qtest_writel(s, base + HACE_HASH_DATA_LEN, 0xffffffff);
g_assert_cmphex(qtest_readl(s, base + HACE_HASH_DATA_LEN), ==, expected->len);
/* Reset to zero */
qtest_writel(s, base + HACE_HASH_SRC, 0);
qtest_writel(s, base + HACE_HASH_DIGEST, 0);
qtest_writel(s, base + HACE_HASH_DATA_LEN, 0);
/* Check that all bits are now zero */
g_assert_cmphex(qtest_readl(s, base + HACE_HASH_SRC), ==, 0);
g_assert_cmphex(qtest_readl(s, base + HACE_HASH_DIGEST), ==, 0);
g_assert_cmphex(qtest_readl(s, base + HACE_HASH_DATA_LEN), ==, 0);
qtest_quit(s);
}
/* ast2600 */
static void test_md5_ast2600(void)
{
test_md5("-machine ast2600-evb", 0x1e6d0000, 0x80000000);
}
static void test_sha256_ast2600(void)
{
test_sha256("-machine ast2600-evb", 0x1e6d0000, 0x80000000);
}
static void test_sha256_sg_ast2600(void)
{
test_sha256_sg("-machine ast2600-evb", 0x1e6d0000, 0x80000000);
}
static void test_sha512_ast2600(void)
{
test_sha512("-machine ast2600-evb", 0x1e6d0000, 0x80000000);
}
static void test_sha512_sg_ast2600(void)
{
test_sha512_sg("-machine ast2600-evb", 0x1e6d0000, 0x80000000);
}
static void test_addresses_ast2600(void)
{
test_addresses("-machine ast2600-evb", 0x1e6d0000, &ast2600_masks);
}
/* ast2500 */
static void test_md5_ast2500(void)
{
test_md5("-machine ast2500-evb", 0x1e6e3000, 0x80000000);
}
static void test_sha256_ast2500(void)
{
test_sha256("-machine ast2500-evb", 0x1e6e3000, 0x80000000);
}
static void test_sha512_ast2500(void)
{
test_sha512("-machine ast2500-evb", 0x1e6e3000, 0x80000000);
}
static void test_addresses_ast2500(void)
{
test_addresses("-machine ast2500-evb", 0x1e6e3000, &ast2500_masks);
}
/* ast2400 */
static void test_md5_ast2400(void)
{
test_md5("-machine palmetto-bmc", 0x1e6e3000, 0x40000000);
}
static void test_sha256_ast2400(void)
{
test_sha256("-machine palmetto-bmc", 0x1e6e3000, 0x40000000);
}
static void test_sha512_ast2400(void)
{
test_sha512("-machine palmetto-bmc", 0x1e6e3000, 0x40000000);
}
static void test_addresses_ast2400(void)
{
test_addresses("-machine palmetto-bmc", 0x1e6e3000, &ast2400_masks);
}
int main(int argc, char **argv)
{
g_test_init(&argc, &argv, NULL);
qtest_add_func("ast2600/hace/addresses", test_addresses_ast2600);
qtest_add_func("ast2600/hace/sha512", test_sha512_ast2600);
qtest_add_func("ast2600/hace/sha256", test_sha256_ast2600);
qtest_add_func("ast2600/hace/md5", test_md5_ast2600);
qtest_add_func("ast2600/hace/sha512_sg", test_sha512_sg_ast2600);
qtest_add_func("ast2600/hace/sha256_sg", test_sha256_sg_ast2600);
qtest_add_func("ast2500/hace/addresses", test_addresses_ast2500);
qtest_add_func("ast2500/hace/sha512", test_sha512_ast2500);
qtest_add_func("ast2500/hace/sha256", test_sha256_ast2500);
qtest_add_func("ast2500/hace/md5", test_md5_ast2500);
qtest_add_func("ast2400/hace/addresses", test_addresses_ast2400);
qtest_add_func("ast2400/hace/sha512", test_sha512_ast2400);
qtest_add_func("ast2400/hace/sha256", test_sha256_ast2400);
qtest_add_func("ast2400/hace/md5", test_md5_ast2400);
return g_test_run();
}
