[PATCH 3/7] staging: ccree: add support for older HW revisions
From: Gilad Ben-Yossef
Date: Thu Jun 22 2017 - 03:09:51 EST
Add support for the older CryptoCell 710 and 630P hardware revisions.
Signed-off-by: Gilad Ben-Yossef <gilad@xxxxxxxxxxxxx>
---
drivers/staging/ccree/Kconfig | 7 +-
drivers/staging/ccree/cc_crypto_ctx.h | 16 ---
drivers/staging/ccree/cc_hw_queue_defs.h | 2 +-
drivers/staging/ccree/cc_regs.h | 7 +-
drivers/staging/ccree/dx_crys_kernel.h | 1 +
drivers/staging/ccree/dx_host.h | 3 +
drivers/staging/ccree/dx_reg_common.h | 2 -
drivers/staging/ccree/ssi_aead.c | 36 +++--
drivers/staging/ccree/ssi_cipher.c | 27 +++-
drivers/staging/ccree/ssi_config.h | 2 +-
drivers/staging/ccree/ssi_driver.c | 115 ++++++++++-----
drivers/staging/ccree/ssi_driver.h | 25 +++-
drivers/staging/ccree/ssi_fips_ll.c | 59 ++++----
drivers/staging/ccree/ssi_hash.c | 234 +++++++++++++++++--------------
drivers/staging/ccree/ssi_hash.h | 10 +-
drivers/staging/ccree/ssi_request_mgr.c | 19 ++-
drivers/staging/ccree/ssi_sram_mgr.c | 15 +-
17 files changed, 349 insertions(+), 231 deletions(-)
diff --git a/drivers/staging/ccree/Kconfig b/drivers/staging/ccree/Kconfig
index 4be87f5..f1e75e8 100644
--- a/drivers/staging/ccree/Kconfig
+++ b/drivers/staging/ccree/Kconfig
@@ -19,9 +19,10 @@ config CRYPTO_DEV_CCREE
select CRYPTO_XTS
help
Say 'Y' to enable a driver for the Arm TrustZone CryptoCell
- C7xx. Currently only the CryptoCell 712 REE is supported.
- Choose this if you wish to use hardware acceleration of
- cryptographic operations on the system REE.
+ C7xx. Currently the REE interface of the CryptoCell 712,
+ 710 and 630p are supported. Choose this if you wish to use
+ hardware acceleration of cryptographic operations on the
+ system REE.
If unsure say Y.
config CCREE_FIPS_SUPPORT
diff --git a/drivers/staging/ccree/cc_crypto_ctx.h b/drivers/staging/ccree/cc_crypto_ctx.h
index 591f6fd..1542aa7 100644
--- a/drivers/staging/ccree/cc_crypto_ctx.h
+++ b/drivers/staging/ccree/cc_crypto_ctx.h
@@ -19,17 +19,6 @@
#include <linux/types.h>
-/* context size */
-#ifndef CC_CTX_SIZE_LOG2
-#if (CC_SUPPORT_SHA > 256)
-#define CC_CTX_SIZE_LOG2 8
-#else
-#define CC_CTX_SIZE_LOG2 7
-#endif
-#endif
-#define CC_CTX_SIZE BIT(CC_CTX_SIZE_LOG2)
-#define CC_DRV_CTX_SIZE_WORDS (CC_CTX_SIZE >> 2)
-
#define CC_DRV_DES_IV_SIZE 8
#define CC_DRV_DES_BLOCK_SIZE 8
@@ -72,13 +61,8 @@
#define CC_SHA384_BLOCK_SIZE 128
#define CC_SHA512_BLOCK_SIZE 128
-#if (CC_SUPPORT_SHA > 256)
#define CC_DIGEST_SIZE_MAX CC_SHA512_DIGEST_SIZE
#define CC_HASH_BLOCK_SIZE_MAX CC_SHA512_BLOCK_SIZE /*1024b*/
-#else /* Only up to SHA256 */
-#define CC_DIGEST_SIZE_MAX CC_SHA256_DIGEST_SIZE
-#define CC_HASH_BLOCK_SIZE_MAX CC_SHA256_BLOCK_SIZE /*512b*/
-#endif
#define CC_HMAC_BLOCK_SIZE_MAX CC_HASH_BLOCK_SIZE_MAX
diff --git a/drivers/staging/ccree/cc_hw_queue_defs.h b/drivers/staging/ccree/cc_hw_queue_defs.h
index aaa56c8..c730c3c 100644
--- a/drivers/staging/ccree/cc_hw_queue_defs.h
+++ b/drivers/staging/ccree/cc_hw_queue_defs.h
@@ -220,7 +220,7 @@ static inline void hw_desc_init(struct cc_hw_desc *pdesc)
*
* @pdesc: pointer HW descriptor struct
*/
-static inline void set_queue_last_ind(struct cc_hw_desc *pdesc)
+static inline void set_queue_last_ind_bit(struct cc_hw_desc *pdesc)
{
pdesc->word[3] |= FIELD_PREP(WORD3_QUEUE_LAST_IND, 1);
}
diff --git a/drivers/staging/ccree/cc_regs.h b/drivers/staging/ccree/cc_regs.h
index 4a893a6..62ace81 100644
--- a/drivers/staging/ccree/cc_regs.h
+++ b/drivers/staging/ccree/cc_regs.h
@@ -25,12 +25,9 @@
#include <linux/bitfield.h>
-#define AXIM_MON_BASE_OFFSET CC_REG_OFFSET(CRY_KERNEL, AXIM_MON_COMP)
-#define AXIM_MON_COMP_VALUE GENMASK(DX_AXIM_MON_COMP_VALUE_BIT_SIZE + \
- DX_AXIM_MON_COMP_VALUE_BIT_SHIFT, \
- DX_AXIM_MON_COMP_VALUE_BIT_SHIFT)
+#define AXIM_MON_BASE_712_OFFSET CC_REG_OFFSET(CRY_KERNEL, AXIM_MON_COMP)
+#define AXIM_MON_BASE_630_OFFSET CC_REG_OFFSET(CRY_KERNEL, AXIM_MON_COMP8)
-#define AXIM_MON_BASE_OFFSET CC_REG_OFFSET(CRY_KERNEL, AXIM_MON_COMP)
#define AXIM_MON_COMP_VALUE GENMASK(DX_AXIM_MON_COMP_VALUE_BIT_SIZE + \
DX_AXIM_MON_COMP_VALUE_BIT_SHIFT, \
DX_AXIM_MON_COMP_VALUE_BIT_SHIFT)
diff --git a/drivers/staging/ccree/dx_crys_kernel.h b/drivers/staging/ccree/dx_crys_kernel.h
index 2196030..0d1d01e 100644
--- a/drivers/staging/ccree/dx_crys_kernel.h
+++ b/drivers/staging/ccree/dx_crys_kernel.h
@@ -131,6 +131,7 @@
#define DX_AXIM_MON_INFLIGHTLAST_VALUE_BIT_SHIFT 0x0UL
#define DX_AXIM_MON_INFLIGHTLAST_VALUE_BIT_SIZE 0x8UL
#define DX_AXIM_MON_COMP_REG_OFFSET 0xB80UL
+#define DX_AXIM_MON_COMP8_REG_OFFSET 0xBA0UL
#define DX_AXIM_MON_COMP_VALUE_BIT_SHIFT 0x0UL
#define DX_AXIM_MON_COMP_VALUE_BIT_SIZE 0x10UL
#define DX_AXIM_MON_ERR_REG_OFFSET 0xBC4UL
diff --git a/drivers/staging/ccree/dx_host.h b/drivers/staging/ccree/dx_host.h
index 863c267..b4bdb42 100644
--- a/drivers/staging/ccree/dx_host.h
+++ b/drivers/staging/ccree/dx_host.h
@@ -31,6 +31,9 @@
#define DX_HOST_IRR_DSCRPTR_WATERMARK_INT_BIT_SIZE 0x1UL
#define DX_HOST_IRR_AXIM_COMP_INT_BIT_SHIFT 0x17UL
#define DX_HOST_IRR_AXIM_COMP_INT_BIT_SIZE 0x1UL
+#define DX_HOST_SEP_SRAM_THRESHOLD_REG_OFFSET 0xA10UL
+#define DX_HOST_SEP_SRAM_THRESHOLD_VALUE_BIT_SHIFT 0x0UL
+#define DX_HOST_SEP_SRAM_THRESHOLD_VALUE_BIT_SIZE 0xCUL
#define DX_HOST_IMR_REG_OFFSET 0xA04UL
#define DX_HOST_IMR_NOT_USED_MASK_BIT_SHIFT 0x1UL
#define DX_HOST_IMR_NOT_USED_MASK_BIT_SIZE 0x1UL
diff --git a/drivers/staging/ccree/dx_reg_common.h b/drivers/staging/ccree/dx_reg_common.h
index d5132ff..f7cec05 100644
--- a/drivers/staging/ccree/dx_reg_common.h
+++ b/drivers/staging/ccree/dx_reg_common.h
@@ -21,6 +21,4 @@
#define CC_HW_VERSION 0xef840015UL
-#define DX_DEV_SHA_MAX 512
-
#endif /*__DX_REG_COMMON_H__*/
diff --git a/drivers/staging/ccree/ssi_aead.c b/drivers/staging/ccree/ssi_aead.c
index e8936a3..a1ac345 100644
--- a/drivers/staging/ccree/ssi_aead.c
+++ b/drivers/staging/ccree/ssi_aead.c
@@ -321,7 +321,7 @@ static int hmac_setkey(struct cc_hw_desc *desc, struct ssi_aead_ctx *ctx)
/* Load the hash current length*/
hw_desc_init(&desc[idx]);
set_cipher_mode(&desc[idx], hash_mode);
- set_din_const(&desc[idx], 0, HASH_LEN_SIZE);
+ set_din_const(&desc[idx], 0, ctx->drvdata->hash_len_sz);
set_flow_mode(&desc[idx], S_DIN_to_HASH);
set_setup_mode(&desc[idx], SETUP_LOAD_KEY0);
idx++;
@@ -456,7 +456,8 @@ ssi_get_plain_hmac_key(struct crypto_aead *tfm, const u8 *key, unsigned int keyl
/* Load the hash current length*/
hw_desc_init(&desc[idx]);
set_cipher_mode(&desc[idx], hashmode);
- set_din_const(&desc[idx], 0, HASH_LEN_SIZE);
+ set_din_const(&desc[idx], 0,
+ ctx->drvdata->hash_len_sz);
set_cipher_config1(&desc[idx], HASH_PADDING_ENABLED);
set_flow_mode(&desc[idx], S_DIN_to_HASH);
set_setup_mode(&desc[idx], SETUP_LOAD_KEY0);
@@ -879,7 +880,7 @@ static inline void ssi_aead_process_digest_result_desc(
set_setup_mode(&desc[idx], SETUP_WRITE_STATE0);
set_dout_dlli(&desc[idx], req_ctx->icv_dma_addr, ctx->authsize,
NS_BIT, 1);
- set_queue_last_ind(&desc[idx]);
+ set_queue_last_ind(ctx->drvdata, &desc[idx]);
if (ctx->auth_mode == DRV_HASH_XCBC_MAC) {
set_aes_not_hash_mode(&desc[idx]);
set_cipher_mode(&desc[idx], DRV_CIPHER_XCBC_MAC);
@@ -895,7 +896,7 @@ static inline void ssi_aead_process_digest_result_desc(
set_flow_mode(&desc[idx], S_HASH_to_DOUT);
set_dout_dlli(&desc[idx], req_ctx->mac_buf_dma_addr,
ctx->authsize, NS_BIT, 1);
- set_queue_last_ind(&desc[idx]);
+ set_queue_last_ind(ctx->drvdata, &desc[idx]);
set_cipher_config0(&desc[idx],
HASH_DIGEST_RESULT_LITTLE_ENDIAN);
set_cipher_config1(&desc[idx], HASH_PADDING_DISABLED);
@@ -1012,7 +1013,7 @@ static inline void ssi_aead_hmac_setup_digest_desc(
set_din_sram(&desc[idx],
ssi_ahash_get_initial_digest_len_sram_addr(ctx->drvdata,
hash_mode),
- HASH_LEN_SIZE);
+ ctx->drvdata->hash_len_sz);
set_flow_mode(&desc[idx], S_DIN_to_HASH);
set_setup_mode(&desc[idx], SETUP_LOAD_KEY0);
idx++;
@@ -1113,7 +1114,7 @@ static inline void ssi_aead_process_digest_scheme_desc(
hw_desc_init(&desc[idx]);
set_cipher_mode(&desc[idx], hash_mode);
set_dout_sram(&desc[idx], aead_handle->sram_workspace_addr,
- HASH_LEN_SIZE);
+ ctx->drvdata->hash_len_sz);
set_flow_mode(&desc[idx], S_HASH_to_DOUT);
set_setup_mode(&desc[idx], SETUP_WRITE_STATE1);
set_cipher_do(&desc[idx], DO_PAD);
@@ -1145,7 +1146,7 @@ static inline void ssi_aead_process_digest_scheme_desc(
set_din_sram(&desc[idx],
ssi_ahash_get_initial_digest_len_sram_addr(ctx->drvdata,
hash_mode),
- HASH_LEN_SIZE);
+ ctx->drvdata->hash_len_sz);
set_cipher_config1(&desc[idx], HASH_PADDING_ENABLED);
set_flow_mode(&desc[idx], S_DIN_to_HASH);
set_setup_mode(&desc[idx], SETUP_LOAD_KEY0);
@@ -1535,7 +1536,7 @@ static inline int ssi_aead_ccm(
set_din_type(&desc[idx], DMA_DLLI, req_ctx->mac_buf_dma_addr,
ctx->authsize, NS_BIT);
set_dout_dlli(&desc[idx], mac_result, ctx->authsize, NS_BIT, 1);
- set_queue_last_ind(&desc[idx]);
+ set_queue_last_ind(ctx->drvdata, &desc[idx]);
set_flow_mode(&desc[idx], DIN_AES_DOUT);
idx++;
@@ -1791,7 +1792,7 @@ static inline void ssi_aead_process_gcm_result_desc(
set_din_type(&desc[idx], DMA_DLLI, req_ctx->mac_buf_dma_addr,
AES_BLOCK_SIZE, NS_BIT);
set_dout_dlli(&desc[idx], mac_result, ctx->authsize, NS_BIT, 1);
- set_queue_last_ind(&desc[idx]);
+ set_queue_last_ind(ctx->drvdata, &desc[idx]);
set_flow_mode(&desc[idx], DIN_AES_DOUT);
idx++;
@@ -2424,6 +2425,7 @@ static struct ssi_alg_template aead_algs[] = {
.cipher_mode = DRV_CIPHER_CBC,
.flow_mode = S_DIN_to_AES,
.auth_mode = DRV_HASH_SHA1,
+ .min_hw_rev = CC_HW_REV_630,
},
{
.name = "authenc(hmac(sha1),cbc(des3_ede))",
@@ -2443,6 +2445,7 @@ static struct ssi_alg_template aead_algs[] = {
.cipher_mode = DRV_CIPHER_CBC,
.flow_mode = S_DIN_to_DES,
.auth_mode = DRV_HASH_SHA1,
+ .min_hw_rev = CC_HW_REV_630,
},
{
.name = "authenc(hmac(sha256),cbc(aes))",
@@ -2462,6 +2465,7 @@ static struct ssi_alg_template aead_algs[] = {
.cipher_mode = DRV_CIPHER_CBC,
.flow_mode = S_DIN_to_AES,
.auth_mode = DRV_HASH_SHA256,
+ .min_hw_rev = CC_HW_REV_630,
},
{
.name = "authenc(hmac(sha256),cbc(des3_ede))",
@@ -2481,6 +2485,7 @@ static struct ssi_alg_template aead_algs[] = {
.cipher_mode = DRV_CIPHER_CBC,
.flow_mode = S_DIN_to_DES,
.auth_mode = DRV_HASH_SHA256,
+ .min_hw_rev = CC_HW_REV_630,
},
{
.name = "authenc(xcbc(aes),cbc(aes))",
@@ -2500,6 +2505,7 @@ static struct ssi_alg_template aead_algs[] = {
.cipher_mode = DRV_CIPHER_CBC,
.flow_mode = S_DIN_to_AES,
.auth_mode = DRV_HASH_XCBC_MAC,
+ .min_hw_rev = CC_HW_REV_630,
},
{
.name = "authenc(hmac(sha1),rfc3686(ctr(aes)))",
@@ -2519,6 +2525,7 @@ static struct ssi_alg_template aead_algs[] = {
.cipher_mode = DRV_CIPHER_CTR,
.flow_mode = S_DIN_to_AES,
.auth_mode = DRV_HASH_SHA1,
+ .min_hw_rev = CC_HW_REV_630,
},
{
.name = "authenc(hmac(sha256),rfc3686(ctr(aes)))",
@@ -2538,6 +2545,7 @@ static struct ssi_alg_template aead_algs[] = {
.cipher_mode = DRV_CIPHER_CTR,
.flow_mode = S_DIN_to_AES,
.auth_mode = DRV_HASH_SHA256,
+ .min_hw_rev = CC_HW_REV_630,
},
{
.name = "authenc(xcbc(aes),rfc3686(ctr(aes)))",
@@ -2557,6 +2565,8 @@ static struct ssi_alg_template aead_algs[] = {
.cipher_mode = DRV_CIPHER_CTR,
.flow_mode = S_DIN_to_AES,
.auth_mode = DRV_HASH_XCBC_MAC,
+ .min_hw_rev = CC_HW_REV_630,
+
},
#if SSI_CC_HAS_AES_CCM
{
@@ -2577,6 +2587,7 @@ static struct ssi_alg_template aead_algs[] = {
.cipher_mode = DRV_CIPHER_CCM,
.flow_mode = S_DIN_to_AES,
.auth_mode = DRV_HASH_NULL,
+ .min_hw_rev = CC_HW_REV_630,
},
{
.name = "rfc4309(ccm(aes))",
@@ -2596,6 +2607,7 @@ static struct ssi_alg_template aead_algs[] = {
.cipher_mode = DRV_CIPHER_CCM,
.flow_mode = S_DIN_to_AES,
.auth_mode = DRV_HASH_NULL,
+ .min_hw_rev = CC_HW_REV_630,
},
#endif /*SSI_CC_HAS_AES_CCM*/
#if SSI_CC_HAS_AES_GCM
@@ -2617,6 +2629,7 @@ static struct ssi_alg_template aead_algs[] = {
.cipher_mode = DRV_CIPHER_GCTR,
.flow_mode = S_DIN_to_AES,
.auth_mode = DRV_HASH_NULL,
+ .min_hw_rev = CC_HW_REV_630,
},
{
.name = "rfc4106(gcm(aes))",
@@ -2636,6 +2649,7 @@ static struct ssi_alg_template aead_algs[] = {
.cipher_mode = DRV_CIPHER_GCTR,
.flow_mode = S_DIN_to_AES,
.auth_mode = DRV_HASH_NULL,
+ .min_hw_rev = CC_HW_REV_630,
},
{
.name = "rfc4543(gcm(aes))",
@@ -2655,6 +2669,7 @@ static struct ssi_alg_template aead_algs[] = {
.cipher_mode = DRV_CIPHER_GCTR,
.flow_mode = S_DIN_to_AES,
.auth_mode = DRV_HASH_NULL,
+ .min_hw_rev = CC_HW_REV_630,
},
#endif /*SSI_CC_HAS_AES_GCM*/
};
@@ -2739,6 +2754,9 @@ int ssi_aead_alloc(struct ssi_drvdata *drvdata)
/* Linux crypto */
for (alg = 0; alg < ARRAY_SIZE(aead_algs); alg++) {
+ if (aead_algs[alg].min_hw_rev > drvdata->hw_rev)
+ continue;
+
t_alg = ssi_aead_create_alg(&aead_algs[alg]);
if (IS_ERR(t_alg)) {
rc = PTR_ERR(t_alg);
diff --git a/drivers/staging/ccree/ssi_cipher.c b/drivers/staging/ccree/ssi_cipher.c
index 2dfc6a3..e5bb976 100644
--- a/drivers/staging/ccree/ssi_cipher.c
+++ b/drivers/staging/ccree/ssi_cipher.c
@@ -663,7 +663,7 @@ ssi_blkcipher_create_data_desc(
set_dout_dlli(&desc[*seq_size], sg_dma_address(dst),
nbytes, NS_BIT, (!areq ? 0 : 1));
if (areq != NULL) {
- set_queue_last_ind(&desc[*seq_size]);
+ set_queue_last_ind(ctx_p->drvdata, &desc[*seq_size]);
}
set_flow_mode(&desc[*seq_size], flow_mode);
(*seq_size)++;
@@ -712,7 +712,7 @@ ssi_blkcipher_create_data_desc(
(!areq ? 0 : 1));
}
if (areq != NULL) {
- set_queue_last_ind(&desc[*seq_size]);
+ set_queue_last_ind(ctx_p->drvdata, &desc[*seq_size]);
}
set_flow_mode(&desc[*seq_size], flow_mode);
(*seq_size)++;
@@ -950,6 +950,7 @@ static struct ssi_alg_template blkcipher_algs[] = {
},
.cipher_mode = DRV_CIPHER_XTS,
.flow_mode = S_DIN_to_AES,
+ .min_hw_rev = CC_HW_REV_630,
},
{
.name = "xts(aes)",
@@ -966,6 +967,7 @@ static struct ssi_alg_template blkcipher_algs[] = {
},
.cipher_mode = DRV_CIPHER_XTS,
.flow_mode = S_DIN_to_AES,
+ .min_hw_rev = CC_HW_REV_712,
},
{
.name = "xts(aes)",
@@ -982,6 +984,7 @@ static struct ssi_alg_template blkcipher_algs[] = {
},
.cipher_mode = DRV_CIPHER_XTS,
.flow_mode = S_DIN_to_AES,
+ .min_hw_rev = CC_HW_REV_712,
},
#endif /*SSI_CC_HAS_AES_XTS*/
#if SSI_CC_HAS_AES_ESSIV
@@ -1000,6 +1003,7 @@ static struct ssi_alg_template blkcipher_algs[] = {
},
.cipher_mode = DRV_CIPHER_ESSIV,
.flow_mode = S_DIN_to_AES,
+ .min_hw_rev = CC_HW_REV_712,
},
{
.name = "essiv(aes)",
@@ -1016,6 +1020,7 @@ static struct ssi_alg_template blkcipher_algs[] = {
},
.cipher_mode = DRV_CIPHER_ESSIV,
.flow_mode = S_DIN_to_AES,
+ .min_hw_rev = CC_HW_REV_712,
},
{
.name = "essiv(aes)",
@@ -1032,6 +1037,7 @@ static struct ssi_alg_template blkcipher_algs[] = {
},
.cipher_mode = DRV_CIPHER_ESSIV,
.flow_mode = S_DIN_to_AES,
+ .min_hw_rev = CC_HW_REV_712,
},
#endif /*SSI_CC_HAS_AES_ESSIV*/
#if SSI_CC_HAS_AES_BITLOCKER
@@ -1050,6 +1056,7 @@ static struct ssi_alg_template blkcipher_algs[] = {
},
.cipher_mode = DRV_CIPHER_BITLOCKER,
.flow_mode = S_DIN_to_AES,
+ .min_hw_rev = CC_HW_REV_712,
},
{
.name = "bitlocker(aes)",
@@ -1066,6 +1073,7 @@ static struct ssi_alg_template blkcipher_algs[] = {
},
.cipher_mode = DRV_CIPHER_BITLOCKER,
.flow_mode = S_DIN_to_AES,
+ .min_hw_rev = CC_HW_REV_712,
},
{
.name = "bitlocker(aes)",
@@ -1082,6 +1090,7 @@ static struct ssi_alg_template blkcipher_algs[] = {
},
.cipher_mode = DRV_CIPHER_BITLOCKER,
.flow_mode = S_DIN_to_AES,
+ .min_hw_rev = CC_HW_REV_712,
},
#endif /*SSI_CC_HAS_AES_BITLOCKER*/
{
@@ -1099,6 +1108,7 @@ static struct ssi_alg_template blkcipher_algs[] = {
},
.cipher_mode = DRV_CIPHER_ECB,
.flow_mode = S_DIN_to_AES,
+ .min_hw_rev = CC_HW_REV_630,
},
{
.name = "cbc(aes)",
@@ -1115,6 +1125,7 @@ static struct ssi_alg_template blkcipher_algs[] = {
},
.cipher_mode = DRV_CIPHER_CBC,
.flow_mode = S_DIN_to_AES,
+ .min_hw_rev = CC_HW_REV_630,
},
{
.name = "ofb(aes)",
@@ -1131,6 +1142,7 @@ static struct ssi_alg_template blkcipher_algs[] = {
},
.cipher_mode = DRV_CIPHER_OFB,
.flow_mode = S_DIN_to_AES,
+ .min_hw_rev = CC_HW_REV_630,
},
#if SSI_CC_HAS_AES_CTS
{
@@ -1148,6 +1160,7 @@ static struct ssi_alg_template blkcipher_algs[] = {
},
.cipher_mode = DRV_CIPHER_CBC_CTS,
.flow_mode = S_DIN_to_AES,
+ .min_hw_rev = CC_HW_REV_630,
},
#endif
{
@@ -1165,6 +1178,7 @@ static struct ssi_alg_template blkcipher_algs[] = {
},
.cipher_mode = DRV_CIPHER_CTR,
.flow_mode = S_DIN_to_AES,
+ .min_hw_rev = CC_HW_REV_630,
},
{
.name = "cbc(des3_ede)",
@@ -1181,6 +1195,7 @@ static struct ssi_alg_template blkcipher_algs[] = {
},
.cipher_mode = DRV_CIPHER_CBC,
.flow_mode = S_DIN_to_DES,
+ .min_hw_rev = CC_HW_REV_630,
},
{
.name = "ecb(des3_ede)",
@@ -1197,6 +1212,7 @@ static struct ssi_alg_template blkcipher_algs[] = {
},
.cipher_mode = DRV_CIPHER_ECB,
.flow_mode = S_DIN_to_DES,
+ .min_hw_rev = CC_HW_REV_630,
},
{
.name = "cbc(des)",
@@ -1213,6 +1229,7 @@ static struct ssi_alg_template blkcipher_algs[] = {
},
.cipher_mode = DRV_CIPHER_CBC,
.flow_mode = S_DIN_to_DES,
+ .min_hw_rev = CC_HW_REV_630,
},
{
.name = "ecb(des)",
@@ -1229,6 +1246,7 @@ static struct ssi_alg_template blkcipher_algs[] = {
},
.cipher_mode = DRV_CIPHER_ECB,
.flow_mode = S_DIN_to_DES,
+ .min_hw_rev = CC_HW_REV_630,
},
#if SSI_CC_HAS_MULTI2
{
@@ -1246,6 +1264,7 @@ static struct ssi_alg_template blkcipher_algs[] = {
},
.cipher_mode = DRV_MULTI2_CBC,
.flow_mode = S_DIN_to_MULTI2,
+ .min_hw_rev = CC_HW_REV_630,
},
{
.name = "ofb(multi2)",
@@ -1262,6 +1281,7 @@ static struct ssi_alg_template blkcipher_algs[] = {
},
.cipher_mode = DRV_MULTI2_OFB,
.flow_mode = S_DIN_to_MULTI2,
+ .min_hw_rev = CC_HW_REV_630,
},
#endif /*SSI_CC_HAS_MULTI2*/
};
@@ -1346,6 +1366,9 @@ int ssi_ablkcipher_alloc(struct ssi_drvdata *drvdata)
/* Linux crypto */
SSI_LOG_DEBUG("Number of algorithms = %zu\n", ARRAY_SIZE(blkcipher_algs));
for (alg = 0; alg < ARRAY_SIZE(blkcipher_algs); alg++) {
+ if (blkcipher_algs[alg].min_hw_rev > drvdata->hw_rev)
+ continue;
+
SSI_LOG_DEBUG("creating %s\n", blkcipher_algs[alg].driver_name);
t_alg = ssi_ablkcipher_create_alg(&blkcipher_algs[alg]);
if (IS_ERR(t_alg)) {
diff --git a/drivers/staging/ccree/ssi_config.h b/drivers/staging/ccree/ssi_config.h
index b7c0576..2484a06 100644
--- a/drivers/staging/ccree/ssi_config.h
+++ b/drivers/staging/ccree/ssi_config.h
@@ -23,7 +23,7 @@
#include <linux/version.h>
-#define DISABLE_COHERENT_DMA_OPS
+//#define DISABLE_COHERENT_DMA_OPS
//#define FLUSH_CACHE_ALL
//#define COMPLETION_DELAY
//#define DX_DUMP_DESCS
diff --git a/drivers/staging/ccree/ssi_driver.c b/drivers/staging/ccree/ssi_driver.c
index 1909229..5a62b4f 100644
--- a/drivers/staging/ccree/ssi_driver.c
+++ b/drivers/staging/ccree/ssi_driver.c
@@ -71,6 +71,33 @@
#include "ssi_pm.h"
#include "ssi_fips_local.h"
+struct cc_hw_data {
+ char *name;
+ enum cc_hw_rev rev;
+ u32 sig;
+};
+
+/* Hardware revisions defs. */
+
+static const struct cc_hw_data cc712_hw = {
+ .name = "712", .rev = CC_HW_REV_712, .sig = 0xDCC71200U
+};
+
+static const struct cc_hw_data cc710_hw = {
+ .name = "710", .rev = CC_HW_REV_710, .sig = 0xDCC63200U
+};
+
+static const struct cc_hw_data cc630p_hw = {
+ .name = "630P", .rev = CC_HW_REV_630, .sig = 0xDCC63000U
+};
+
+static const struct of_device_id arm_ccree_dev_of_match[] = {
+ { .compatible = "arm,cryptocell-712-ree", .data = &cc712_hw },
+ { .compatible = "arm,cryptocell-710-ree", .data = &cc710_hw },
+ { .compatible = "arm,cryptocell-630p-ree", .data = &cc630p_hw },
+ {}
+};
+MODULE_DEVICE_TABLE(of, arm_ccree_dev_of_match);
#ifdef DX_DUMP_BYTES
void dump_byte_array(const char *name, const u8 *the_array, unsigned long size)
@@ -185,8 +212,12 @@ int init_cc_regs(struct ssi_drvdata *drvdata, bool is_probe)
CC_HAL_WRITE_REGISTER(CC_REG_OFFSET(HOST_RGF, HOST_ICR), val);
/* Unmask relevant interrupt cause */
- val = (~(SSI_COMP_IRQ_MASK | SSI_AXI_ERR_IRQ_MASK | SSI_GPR0_IRQ_MASK));
- CC_HAL_WRITE_REGISTER(CC_REG_OFFSET(HOST_RGF, HOST_IMR), val);
+ val = (SSI_COMP_IRQ_MASK | SSI_AXI_ERR_IRQ_MASK);
+
+ if (drvdata->hw_rev >= CC_HW_REV_712)
+ val |= SSI_GPR0_IRQ_MASK;
+
+ CC_HAL_WRITE_REGISTER(CC_REG_OFFSET(HOST_RGF, HOST_IMR), ~val);
#ifdef DX_HOST_IRQ_TIMER_INIT_VAL_REG_OFFSET
#ifdef DX_IRQ_DELAY
@@ -215,11 +246,15 @@ int init_cc_regs(struct ssi_drvdata *drvdata, bool is_probe)
static int init_cc_resources(struct platform_device *plat_dev)
{
- struct resource *req_mem_cc_regs = NULL;
+ struct resource *cc_regs_res = NULL;
void __iomem *cc_base = NULL;
bool irq_registered = false;
struct ssi_drvdata *new_drvdata = kzalloc(sizeof(struct ssi_drvdata), GFP_KERNEL);
u32 signature_val;
+ struct device *dev = &plat_dev->dev;
+ struct device_node *np = dev->of_node;
+ const struct cc_hw_data *hw_rev;
+ const struct of_device_id *dev_id;
int rc = 0;
if (unlikely(new_drvdata == NULL)) {
@@ -228,6 +263,21 @@ static int init_cc_resources(struct platform_device *plat_dev)
goto init_cc_res_err;
}
+ dev_id = of_match_node(arm_ccree_dev_of_match, np);
+ if (!dev_id)
+ return -ENODEV;
+ hw_rev = (struct cc_hw_data *)dev_id->data;
+ new_drvdata->hw_rev_name = hw_rev->name;
+ new_drvdata->hw_rev = hw_rev->rev;
+
+ if (hw_rev->rev >= CC_HW_REV_712) {
+ new_drvdata->hash_len_sz = HASH_LEN_SIZE_712;
+ new_drvdata->axim_mon_offset = AXIM_MON_BASE_712_OFFSET;
+ } else {
+ new_drvdata->hash_len_sz = HASH_LEN_SIZE_630;
+ new_drvdata->axim_mon_offset = AXIM_MON_BASE_630_OFFSET;
+ }
+
/*Initialize inflight counter used in dx_ablkcipher_secure_complete used for count of BYSPASS blocks operations*/
new_drvdata->inflight_counter = 0;
@@ -245,8 +295,10 @@ static int init_cc_resources(struct platform_device *plat_dev)
(unsigned long long)new_drvdata->res_mem->start,
(unsigned long long)new_drvdata->res_mem->end);
/* Map registers space */
- req_mem_cc_regs = request_mem_region(new_drvdata->res_mem->start, resource_size(new_drvdata->res_mem), "arm_cc7x_regs");
- if (unlikely(req_mem_cc_regs == NULL)) {
+ cc_regs_res = request_mem_region(new_drvdata->res_mem->start,
+ resource_size(new_drvdata->res_mem),
+ "arm_ccree_regs");
+ if (unlikely(!cc_regs_res)) {
SSI_LOG_ERR("Couldn't allocate registers memory region at "
"0x%08X\n", (unsigned int)new_drvdata->res_mem->start);
rc = -EBUSY;
@@ -271,7 +323,7 @@ static int init_cc_resources(struct platform_device *plat_dev)
goto init_cc_res_err;
}
rc = request_irq(new_drvdata->res_irq->start, cc_isr,
- IRQF_SHARED, "arm_cc7x", new_drvdata);
+ IRQF_SHARED, "arm_ccree", new_drvdata);
if (unlikely(rc != 0)) {
SSI_LOG_ERR("Could not register to interrupt %llu\n",
(unsigned long long)new_drvdata->res_irq->start);
@@ -297,17 +349,19 @@ static int init_cc_resources(struct platform_device *plat_dev)
/* Verify correct mapping */
signature_val = CC_HAL_READ_REGISTER(CC_REG_OFFSET(HOST_RGF, HOST_SIGNATURE));
- if (signature_val != DX_DEV_SIGNATURE) {
- SSI_LOG_ERR("Invalid CC signature: SIGNATURE=0x%08X != expected=0x%08X\n",
- signature_val, (u32)DX_DEV_SIGNATURE);
+ if (signature_val != hw_rev->sig) {
+ SSI_LOG_ERR("Signature mismatch: expected 0x%08X got 0x%08X\n",
+ signature_val, hw_rev->sig);
rc = -EINVAL;
goto init_cc_res_err;
}
SSI_LOG_DEBUG("CC SIGNATURE=0x%08X\n", signature_val);
/* Display HW versions */
- SSI_LOG(KERN_INFO, "ARM CryptoCell %s Driver: HW version 0x%08X, Driver version %s\n", SSI_DEV_NAME_STR,
- CC_HAL_READ_REGISTER(CC_REG_OFFSET(HOST_RGF, HOST_VERSION)), DRV_MODULE_VERSION);
+ SSI_LOG(KERN_INFO, "ARM CryptoCell %s (HW ver 0x%08X, SW version %s)\n",
+ hw_rev->name,
+ CC_HAL_READ_REGISTER(CC_REG_OFFSET(HOST_RGF, HOST_VERSION)),
+ DRV_MODULE_VERSION);
rc = init_cc_regs(new_drvdata, true);
if (unlikely(rc != 0)) {
@@ -406,7 +460,7 @@ static int init_cc_resources(struct platform_device *plat_dev)
ssi_sysfs_fini();
#endif
- if (req_mem_cc_regs != NULL) {
+ if (cc_regs_res) {
if (irq_registered) {
free_irq(new_drvdata->res_irq->start, new_drvdata);
new_drvdata->res_irq = NULL;
@@ -470,7 +524,7 @@ static void cleanup_cc_resources(struct platform_device *plat_dev)
dev_set_drvdata(&plat_dev->dev, NULL);
}
-static int cc7x_probe(struct platform_device *plat_dev)
+static int ccree_probe(struct platform_device *plat_dev)
{
int rc;
#if defined(CONFIG_ARM) && defined(CC_DEBUG)
@@ -492,54 +546,43 @@ static int cc7x_probe(struct platform_device *plat_dev)
if (rc != 0)
return rc;
- SSI_LOG(KERN_INFO, "ARM cc7x_ree device initialized\n");
+ SSI_LOG(KERN_INFO, "ARM CryptoCell REE device initialized\n");
return 0;
}
-static int cc7x_remove(struct platform_device *plat_dev)
+static int ccree_remove(struct platform_device *plat_dev)
{
- SSI_LOG_DEBUG("Releasing cc7x resources...\n");
+ SSI_LOG_DEBUG("Releasing resources...\n");
cleanup_cc_resources(plat_dev);
- SSI_LOG(KERN_INFO, "ARM cc7x_ree device terminated\n");
+ SSI_LOG(KERN_INFO, "ARM CryptoCell REE device unloaded\n");
return 0;
}
#if defined (CONFIG_PM_RUNTIME) || defined (CONFIG_PM_SLEEP)
-static struct dev_pm_ops arm_cc7x_driver_pm = {
+static const struct dev_pm_ops arm_ccree_driver_pm = {
SET_RUNTIME_PM_OPS(ssi_power_mgr_runtime_suspend, ssi_power_mgr_runtime_resume, NULL)
};
#endif
#if defined (CONFIG_PM_RUNTIME) || defined (CONFIG_PM_SLEEP)
-#define DX_DRIVER_RUNTIME_PM (&arm_cc7x_driver_pm)
+#define DX_DRIVER_RUNTIME_PM (&arm_ccree_driver_pm)
#else
#define DX_DRIVER_RUNTIME_PM NULL
#endif
-
-#ifdef CONFIG_OF
-static const struct of_device_id arm_cc7x_dev_of_match[] = {
- {.compatible = "arm,cryptocell-712-ree"},
- {}
-};
-MODULE_DEVICE_TABLE(of, arm_cc7x_dev_of_match);
-#endif
-
-static struct platform_driver cc7x_driver = {
+static struct platform_driver ccree_driver = {
.driver = {
- .name = "cc7xree",
-#ifdef CONFIG_OF
- .of_match_table = arm_cc7x_dev_of_match,
-#endif
+ .name = "ccree",
+ .of_match_table = arm_ccree_dev_of_match,
.pm = DX_DRIVER_RUNTIME_PM,
},
- .probe = cc7x_probe,
- .remove = cc7x_remove,
+ .probe = ccree_probe,
+ .remove = ccree_remove,
};
-module_platform_driver(cc7x_driver);
+module_platform_driver(ccree_driver);
/* Module description */
MODULE_DESCRIPTION("ARM TrustZone CryptoCell REE Driver");
diff --git a/drivers/staging/ccree/ssi_driver.h b/drivers/staging/ccree/ssi_driver.h
index 34bd7ef..52ac43c 100644
--- a/drivers/staging/ccree/ssi_driver.h
+++ b/drivers/staging/ccree/ssi_driver.h
@@ -43,7 +43,6 @@
#include "cc_regs.h"
#include "dx_reg_common.h"
#include "cc_hal.h"
-#define CC_SUPPORT_SHA DX_DEV_SHA_MAX
#include "cc_crypto_ctx.h"
#include "ssi_sysfs.h"
#include "hash_defs.h"
@@ -51,9 +50,14 @@
#include "cc_hw_queue_defs.h"
#include "ssi_sram_mgr.h"
-#define DRV_MODULE_VERSION "3.0"
+#define DRV_MODULE_VERSION "4.0"
+
+enum cc_hw_rev {
+ CC_HW_REV_630 = 630,
+ CC_HW_REV_710 = 710,
+ CC_HW_REV_712 = 712
+};
-#define SSI_DEV_NAME_STR "cc715ree"
#define SSI_CC_HAS_AES_CCM 1
#define SSI_CC_HAS_AES_GCM 1
#define SSI_CC_HAS_AES_XTS 1
@@ -90,7 +94,7 @@
/* Logging macros */
#define SSI_LOG(level, format, ...) \
- printk(level "cc715ree::%s: " format , __func__, ##__VA_ARGS__)
+ printk(level "ccree::%s: " format, __func__, ##__VA_ARGS__)
#define SSI_LOG_ERR(format, ...) SSI_LOG(KERN_ERR, format, ##__VA_ARGS__)
#define SSI_LOG_WARNING(format, ...) SSI_LOG(KERN_WARNING, format, ##__VA_ARGS__)
#define SSI_LOG_NOTICE(format, ...) SSI_LOG(KERN_NOTICE, format, ##__VA_ARGS__)
@@ -148,7 +152,10 @@ struct ssi_drvdata {
void *ivgen_handle;
void *sram_mgr_handle;
u32 inflight_counter;
-
+ char *hw_rev_name;
+ enum cc_hw_rev hw_rev;
+ u32 hash_len_sz;
+ u32 axim_mon_offset;
};
struct ssi_crypto_alg {
@@ -176,6 +183,7 @@ struct ssi_alg_template {
int cipher_mode;
int flow_mode; /* Note: currently, refers to the cipher mode only. */
int auth_mode;
+ u32 min_hw_rev;
struct ssi_drvdata *drvdata;
};
@@ -194,5 +202,12 @@ void dump_byte_array(const char *name, const u8 *the_array, unsigned long size);
int init_cc_regs(struct ssi_drvdata *drvdata, bool is_probe);
void fini_cc_regs(struct ssi_drvdata *drvdata);
+static inline void set_queue_last_ind(struct ssi_drvdata *drvdata,
+ struct cc_hw_desc *pdesc)
+{
+ if (drvdata->hw_rev >= CC_HW_REV_712)
+ set_queue_last_ind_bit(pdesc);
+}
+
#endif /*__SSI_DRIVER_H__*/
diff --git a/drivers/staging/ccree/ssi_fips_ll.c b/drivers/staging/ccree/ssi_fips_ll.c
index cdfbf04..f64177c 100644
--- a/drivers/staging/ccree/ssi_fips_ll.c
+++ b/drivers/staging/ccree/ssi_fips_ll.c
@@ -35,13 +35,11 @@ static const u32 sha1_init[] = {
static const u32 sha256_init[] = {
SHA256_H7, SHA256_H6, SHA256_H5, SHA256_H4,
SHA256_H3, SHA256_H2, SHA256_H1, SHA256_H0 };
-#if (CC_SUPPORT_SHA > 256)
static const u32 digest_len_sha512_init[] = {
0x00000080, 0x00000000, 0x00000000, 0x00000000 };
static const u64 sha512_init[] = {
SHA512_H7, SHA512_H6, SHA512_H5, SHA512_H4,
SHA512_H3, SHA512_H2, SHA512_H1, SHA512_H0 };
-#endif
#define NIST_CIPHER_AES_MAX_VECTOR_SIZE 32
@@ -102,7 +100,7 @@ struct fips_hmac_ctx {
u8 initial_digest[CC_DIGEST_SIZE_MAX];
u8 key[CC_HMAC_BLOCK_SIZE_MAX];
u8 k0[CC_HMAC_BLOCK_SIZE_MAX];
- u8 digest_bytes_len[HASH_LEN_SIZE];
+ u8 digest_bytes_len[HASH_MAX_LEN_SIZE];
u8 tmp_digest[CC_DIGEST_SIZE_MAX];
u8 din[NIST_HMAC_MSG_SIZE];
u8 mac_res[CC_DIGEST_SIZE_MAX];
@@ -213,10 +211,8 @@ static const FipsCipherData FipsCipherDataTable[] = {
{ 1, RFC3962_AES_128_KEY, CC_AES_128_BIT_KEY_SIZE, RFC3962_AES_CBC_CTS_IV, DRV_CRYPTO_DIRECTION_DECRYPT, DRV_CIPHER_CBC_CTS, RFC3962_AES_128_CBC_CTS_CIPHER, RFC3962_AES_PLAIN_DATA, RFC3962_AES_VECTOR_SIZE },
{ 1, NIST_AES_256_XTS_KEY, CC_AES_256_BIT_KEY_SIZE, NIST_AES_256_XTS_IV, DRV_CRYPTO_DIRECTION_ENCRYPT, DRV_CIPHER_XTS, NIST_AES_256_XTS_PLAIN, NIST_AES_256_XTS_CIPHER, NIST_AES_256_XTS_VECTOR_SIZE },
{ 1, NIST_AES_256_XTS_KEY, CC_AES_256_BIT_KEY_SIZE, NIST_AES_256_XTS_IV, DRV_CRYPTO_DIRECTION_DECRYPT, DRV_CIPHER_XTS, NIST_AES_256_XTS_CIPHER, NIST_AES_256_XTS_PLAIN, NIST_AES_256_XTS_VECTOR_SIZE },
-#if (CC_SUPPORT_SHA > 256)
{ 1, NIST_AES_512_XTS_KEY, 2*CC_AES_256_BIT_KEY_SIZE, NIST_AES_512_XTS_IV, DRV_CRYPTO_DIRECTION_ENCRYPT, DRV_CIPHER_XTS, NIST_AES_512_XTS_PLAIN, NIST_AES_512_XTS_CIPHER, NIST_AES_512_XTS_VECTOR_SIZE },
{ 1, NIST_AES_512_XTS_KEY, 2*CC_AES_256_BIT_KEY_SIZE, NIST_AES_512_XTS_IV, DRV_CRYPTO_DIRECTION_DECRYPT, DRV_CIPHER_XTS, NIST_AES_512_XTS_CIPHER, NIST_AES_512_XTS_PLAIN, NIST_AES_512_XTS_VECTOR_SIZE },
-#endif
/* DES */
{ 0, NIST_TDES_ECB3_KEY, CC_DRV_DES_TRIPLE_KEY_SIZE, NIST_TDES_ECB_IV, DRV_CRYPTO_DIRECTION_ENCRYPT, DRV_CIPHER_ECB, NIST_TDES_ECB3_PLAIN_DATA, NIST_TDES_ECB3_CIPHER, NIST_TDES_VECTOR_SIZE },
{ 0, NIST_TDES_ECB3_KEY, CC_DRV_DES_TRIPLE_KEY_SIZE, NIST_TDES_ECB_IV, DRV_CRYPTO_DIRECTION_DECRYPT, DRV_CIPHER_ECB, NIST_TDES_ECB3_CIPHER, NIST_TDES_ECB3_PLAIN_DATA, NIST_TDES_VECTOR_SIZE },
@@ -235,18 +231,16 @@ static const FipsCmacData FipsCmacDataTable[] = {
static const FipsHashData FipsHashDataTable[] = {
{ DRV_HASH_SHA1, NIST_SHA_1_MSG, NIST_SHA_MSG_SIZE, NIST_SHA_1_MD },
{ DRV_HASH_SHA256, NIST_SHA_256_MSG, NIST_SHA_MSG_SIZE, NIST_SHA_256_MD },
-#if (CC_SUPPORT_SHA > 256)
-// { DRV_HASH_SHA512, NIST_SHA_512_MSG, NIST_SHA_MSG_SIZE, NIST_SHA_512_MD },
-#endif
+ { DRV_HASH_SHA512, NIST_SHA_512_MSG, NIST_SHA_MSG_SIZE,
+ NIST_SHA_512_MD },
};
#define FIPS_HASH_NUM_OF_TESTS (sizeof(FipsHashDataTable) / sizeof(FipsHashData))
static const FipsHmacData FipsHmacDataTable[] = {
{ DRV_HASH_SHA1, NIST_HMAC_SHA1_KEY, NIST_HMAC_SHA1_KEY_SIZE, NIST_HMAC_SHA1_MSG, NIST_HMAC_MSG_SIZE, NIST_HMAC_SHA1_MD },
{ DRV_HASH_SHA256, NIST_HMAC_SHA256_KEY, NIST_HMAC_SHA256_KEY_SIZE, NIST_HMAC_SHA256_MSG, NIST_HMAC_MSG_SIZE, NIST_HMAC_SHA256_MD },
-#if (CC_SUPPORT_SHA > 256)
-// { DRV_HASH_SHA512, NIST_HMAC_SHA512_KEY, NIST_HMAC_SHA512_KEY_SIZE, NIST_HMAC_SHA512_MSG, NIST_HMAC_MSG_SIZE, NIST_HMAC_SHA512_MD },
-#endif
+ { DRV_HASH_SHA512, NIST_HMAC_SHA512_KEY, NIST_HMAC_SHA512_KEY_SIZE,
+ NIST_HMAC_SHA512_MSG, NIST_HMAC_MSG_SIZE, NIST_HMAC_SHA512_MD },
};
#define FIPS_HMAC_NUM_OF_TESTS (sizeof(FipsHmacDataTable) / sizeof(FipsHmacData))
@@ -434,6 +428,11 @@ ssi_cipher_fips_power_up_tests(struct ssi_drvdata *drvdata, void *cpu_addr_buffe
int rc = 0;
size_t iv_size = cipherData->isAes ? NIST_AES_IV_SIZE : NIST_TDES_IV_SIZE ;
+ /* AES 512 was introduced in 712 */
+ if ((cipherDara->keySize > CC_AES_256_BIT_KEY_SIZE) &&
+ (drvdata->hw_rev < CC_HW_REV_712))
+ continue;
+
memset(cpu_addr_buffer, 0, sizeof(struct fips_cipher_ctx));
/* copy into the allocated buffer */
@@ -612,10 +611,8 @@ FIPS_HashToFipsError(enum drv_hash_mode hash_mode)
return CC_REE_FIPS_ERROR_SHA1_PUT;
case DRV_HASH_SHA256:
return CC_REE_FIPS_ERROR_SHA256_PUT;
-#if (CC_SUPPORT_SHA > 256)
case DRV_HASH_SHA512:
return CC_REE_FIPS_ERROR_SHA512_PUT;
-#endif
default:
return CC_REE_FIPS_ERROR_GENERAL;
}
@@ -654,7 +651,7 @@ ssi_hash_fips_run_test(struct ssi_drvdata *drvdata,
/* Load the hash current length */
hw_desc_init(&desc[idx]);
set_cipher_mode(&desc[idx], hw_mode);
- set_din_const(&desc[idx], 0, HASH_LEN_SIZE);
+ set_din_const(&desc[idx], 0, drvdata->hash_len_sz);
set_cipher_config1(&desc[idx], HASH_PADDING_ENABLED);
set_flow_mode(&desc[idx], S_DIN_to_HASH);
set_setup_mode(&desc[idx], SETUP_LOAD_KEY0);
@@ -726,14 +723,15 @@ ssi_hash_fips_power_up_tests(struct ssi_drvdata *drvdata, void *cpu_addr_buffer,
inter_digestsize = CC_SHA256_DIGEST_SIZE;
memcpy(virt_ctx->initial_digest, (void*)sha256_init, CC_SHA256_DIGEST_SIZE);
break;
-#if (CC_SUPPORT_SHA > 256)
case DRV_HASH_SHA512:
+ /* SHA 512 was introduced in CC 712 */
+ if (drvdata->hw_rev < CC_HW_REV_712)
+ continue;
hw_mode = DRV_HASH_HW_SHA512;
digest_size = CC_SHA512_DIGEST_SIZE;
inter_digestsize = CC_SHA512_DIGEST_SIZE;
memcpy(virt_ctx->initial_digest, (void*)sha512_init, CC_SHA512_DIGEST_SIZE);
break;
-#endif
default:
error = FIPS_HashToFipsError(hash_data->hash_mode);
break;
@@ -788,10 +786,8 @@ FIPS_HmacToFipsError(enum drv_hash_mode hash_mode)
return CC_REE_FIPS_ERROR_HMAC_SHA1_PUT;
case DRV_HASH_SHA256:
return CC_REE_FIPS_ERROR_HMAC_SHA256_PUT;
-#if (CC_SUPPORT_SHA > 256)
case DRV_HASH_SHA512:
return CC_REE_FIPS_ERROR_HMAC_SHA512_PUT;
-#endif
default:
return CC_REE_FIPS_ERROR_GENERAL;
}
@@ -871,7 +867,7 @@ ssi_hmac_fips_run_test(struct ssi_drvdata *drvdata,
/* Load the hash current length*/
hw_desc_init(&desc[idx]);
set_cipher_mode(&desc[idx], hw_mode);
- set_din_const(&desc[idx], 0, HASH_LEN_SIZE);
+ set_din_const(&desc[idx], 0, drvdata->hash_len_sz);
set_flow_mode(&desc[idx], S_DIN_to_HASH);
set_setup_mode(&desc[idx], SETUP_LOAD_KEY0);
idx++;
@@ -923,7 +919,7 @@ ssi_hmac_fips_run_test(struct ssi_drvdata *drvdata,
/* HW last hash block padding (aka. "DO_PAD") */
hw_desc_init(&desc[idx]);
set_cipher_mode(&desc[idx], hw_mode);
- set_dout_dlli(&desc[idx], k0_dma_addr, HASH_LEN_SIZE, NS_BIT, 0);
+ set_dout_dlli(&desc[idx], k0_dma_addr, drvdata->hash_len_sz, NS_BIT, 0);
set_flow_mode(&desc[idx], S_HASH_to_DOUT);
set_setup_mode(&desc[idx], SETUP_WRITE_STATE1);
set_cipher_do(&desc[idx], DO_PAD);
@@ -963,7 +959,7 @@ ssi_hmac_fips_run_test(struct ssi_drvdata *drvdata,
hw_desc_init(&desc[idx]);
set_cipher_mode(&desc[idx], hw_mode);
set_din_type(&desc[idx], DMA_DLLI, digest_bytes_len_dma_addr,
- HASH_LEN_SIZE, NS_BIT);
+ drvdata->hash_len_sz, NS_BIT);
set_cipher_config1(&desc[idx], HASH_PADDING_ENABLED);
set_flow_mode(&desc[idx], S_DIN_to_HASH);
set_setup_mode(&desc[idx], SETUP_LOAD_KEY0);
@@ -1039,27 +1035,32 @@ ssi_hmac_fips_power_up_tests(struct ssi_drvdata *drvdata, void *cpu_addr_buffer,
digest_size = CC_SHA1_DIGEST_SIZE;
block_size = CC_SHA1_BLOCK_SIZE;
inter_digestsize = CC_SHA1_DIGEST_SIZE;
- memcpy(virt_ctx->initial_digest, (void*)sha1_init, CC_SHA1_DIGEST_SIZE);
- memcpy(virt_ctx->digest_bytes_len, digest_len_init, HASH_LEN_SIZE);
+ memcpy(virt_ctx->initial_digest, (void *)sha1_init,
+ CC_SHA1_DIGEST_SIZE);
+ memcpy(virt_ctx->digest_bytes_len, digest_len_init,
+ drvdata->hash_len_sz);
break;
case DRV_HASH_SHA256:
hw_mode = DRV_HASH_HW_SHA256;
digest_size = CC_SHA256_DIGEST_SIZE;
block_size = CC_SHA256_BLOCK_SIZE;
inter_digestsize = CC_SHA256_DIGEST_SIZE;
- memcpy(virt_ctx->initial_digest, (void*)sha256_init, CC_SHA256_DIGEST_SIZE);
- memcpy(virt_ctx->digest_bytes_len, digest_len_init, HASH_LEN_SIZE);
+ memcpy(virt_ctx->initial_digest, (void *)sha256_init,
+ CC_SHA256_DIGEST_SIZE);
+ memcpy(virt_ctx->digest_bytes_len, digest_len_init,
+ drvdata->hash_len_sz);
break;
-#if (CC_SUPPORT_SHA > 256)
case DRV_HASH_SHA512:
hw_mode = DRV_HASH_HW_SHA512;
digest_size = CC_SHA512_DIGEST_SIZE;
block_size = CC_SHA512_BLOCK_SIZE;
inter_digestsize = CC_SHA512_DIGEST_SIZE;
- memcpy(virt_ctx->initial_digest, (void*)sha512_init, CC_SHA512_DIGEST_SIZE);
- memcpy(virt_ctx->digest_bytes_len, digest_len_sha512_init, HASH_LEN_SIZE);
+ memcpy(virt_ctx->initial_digest, (void *)sha512_init,
+ CC_SHA512_DIGEST_SIZE);
+ memcpy(virt_ctx->digest_bytes_len,
+ digest_len_sha512_init,
+ drvdata->hash_len_sz);
break;
-#endif
default:
error = FIPS_HmacToFipsError(hmac_data->hash_mode);
break;
diff --git a/drivers/staging/ccree/ssi_hash.c b/drivers/staging/ccree/ssi_hash.c
index f52e1af..623486d 100644
--- a/drivers/staging/ccree/ssi_hash.c
+++ b/drivers/staging/ccree/ssi_hash.c
@@ -54,7 +54,6 @@ static const u32 sha224_init[] = {
static const u32 sha256_init[] = {
SHA256_H7, SHA256_H6, SHA256_H5, SHA256_H4,
SHA256_H3, SHA256_H2, SHA256_H1, SHA256_H0 };
-#if (DX_DEV_SHA_MAX > 256)
static const u32 digest_len_sha512_init[] = {
0x00000080, 0x00000000, 0x00000000, 0x00000000 };
static const u64 sha384_init[] = {
@@ -63,7 +62,6 @@ static const u64 sha384_init[] = {
static const u64 sha512_init[] = {
SHA512_H7, SHA512_H6, SHA512_H5, SHA512_H4,
SHA512_H3, SHA512_H2, SHA512_H1, SHA512_H0 };
-#endif
static void ssi_hash_create_xcbc_setup(
struct ahash_request *areq,
@@ -181,7 +179,8 @@ static int ssi_hash_map_request(struct device *dev,
SSI_LOG_DEBUG("Allocated digest-buffer in context ctx->digest_buff=@%p\n", state->digest_buff);
if (ctx->hw_mode != DRV_CIPHER_XCBC_MAC) {
- state->digest_bytes_len = kzalloc(HASH_LEN_SIZE, GFP_KERNEL|GFP_DMA);
+ state->digest_bytes_len = kzalloc(HASH_MAX_LEN_SIZE,
+ GFP_KERNEL | GFP_DMA);
if (!state->digest_bytes_len) {
SSI_LOG_ERR("Allocating digest-bytes-len in context failed\n");
goto fail1;
@@ -214,15 +213,15 @@ static int ssi_hash_map_request(struct device *dev,
memset(state->digest_buff, 0, ctx->inter_digestsize);
} else { /*sha*/
memcpy(state->digest_buff, ctx->digest_buff, ctx->inter_digestsize);
-#if (DX_DEV_SHA_MAX > 256)
if (unlikely((ctx->hash_mode == DRV_HASH_SHA512) || (ctx->hash_mode == DRV_HASH_SHA384))) {
- memcpy(state->digest_bytes_len, digest_len_sha512_init, HASH_LEN_SIZE);
+ memcpy(state->digest_bytes_len,
+ digest_len_sha512_init,
+ ctx->drvdata->hash_len_sz);
} else {
- memcpy(state->digest_bytes_len, digest_len_init, HASH_LEN_SIZE);
+ memcpy(state->digest_bytes_len,
+ digest_len_init,
+ ctx->drvdata->hash_len_sz);
}
-#else
- memcpy(state->digest_bytes_len, digest_len_init, HASH_LEN_SIZE);
-#endif
}
dma_sync_single_for_device(dev, state->digest_buff_dma_addr, ctx->inter_digestsize, DMA_BIDIRECTIONAL);
@@ -248,21 +247,26 @@ static int ssi_hash_map_request(struct device *dev,
}
if (ctx->hw_mode != DRV_CIPHER_XCBC_MAC) {
- state->digest_bytes_len_dma_addr = dma_map_single(dev, (void *)state->digest_bytes_len, HASH_LEN_SIZE, DMA_BIDIRECTIONAL);
+ state->digest_bytes_len_dma_addr =
+ dma_map_single(dev, (void *)state->digest_bytes_len,
+ HASH_MAX_LEN_SIZE, DMA_BIDIRECTIONAL);
if (dma_mapping_error(dev, state->digest_bytes_len_dma_addr)) {
SSI_LOG_ERR("Mapping digest len %u B at va=%pK for DMA failed\n",
- HASH_LEN_SIZE, state->digest_bytes_len);
+ HASH_MAX_LEN_SIZE, state->digest_bytes_len);
goto fail4;
}
SSI_LOG_DEBUG("Mapped digest len %u B at va=%pK to dma=0x%llX\n",
- HASH_LEN_SIZE, state->digest_bytes_len,
+ HASH_MAX_LEN_SIZE, state->digest_bytes_len,
(unsigned long long)state->digest_bytes_len_dma_addr);
} else {
state->digest_bytes_len_dma_addr = 0;
}
if (is_hmac && ctx->hash_mode != DRV_HASH_NULL) {
- state->opad_digest_dma_addr = dma_map_single(dev, (void *)state->opad_digest_buff, ctx->inter_digestsize, DMA_BIDIRECTIONAL);
+ state->opad_digest_dma_addr =
+ dma_map_single(dev, (void *)state->opad_digest_buff,
+ ctx->inter_digestsize,
+ DMA_BIDIRECTIONAL);
if (dma_mapping_error(dev, state->opad_digest_dma_addr)) {
SSI_LOG_ERR("Mapping opad digest %d B at va=%pK for DMA failed\n",
ctx->inter_digestsize, state->opad_digest_buff);
@@ -283,7 +287,8 @@ static int ssi_hash_map_request(struct device *dev,
fail5:
if (state->digest_bytes_len_dma_addr != 0) {
- dma_unmap_single(dev, state->digest_bytes_len_dma_addr, HASH_LEN_SIZE, DMA_BIDIRECTIONAL);
+ dma_unmap_single(dev, state->digest_bytes_len_dma_addr,
+ HASH_MAX_LEN_SIZE, DMA_BIDIRECTIONAL);
state->digest_bytes_len_dma_addr = 0;
}
fail4:
@@ -329,7 +334,7 @@ static void ssi_hash_unmap_request(struct device *dev,
}
if (state->digest_bytes_len_dma_addr != 0) {
dma_unmap_single(dev, state->digest_bytes_len_dma_addr,
- HASH_LEN_SIZE, DMA_BIDIRECTIONAL);
+ HASH_MAX_LEN_SIZE, DMA_BIDIRECTIONAL);
SSI_LOG_DEBUG("Unmapped digest-bytes-len buffer: digest_bytes_len_dma_addr=0x%llX\n",
(unsigned long long)state->digest_bytes_len_dma_addr);
state->digest_bytes_len_dma_addr = 0;
@@ -476,10 +481,11 @@ static int ssi_hash_digest(struct ahash_req_ctx *state,
if (is_hmac) {
set_din_type(&desc[idx], DMA_DLLI,
- state->digest_bytes_len_dma_addr, HASH_LEN_SIZE,
+ state->digest_bytes_len_dma_addr,
+ ctx->drvdata->hash_len_sz,
NS_BIT);
} else {
- set_din_const(&desc[idx], 0, HASH_LEN_SIZE);
+ set_din_const(&desc[idx], 0, ctx->drvdata->hash_len_sz);
if (likely(nbytes != 0)) {
set_cipher_config1(&desc[idx], HASH_PADDING_ENABLED);
} else {
@@ -497,7 +503,7 @@ static int ssi_hash_digest(struct ahash_req_ctx *state,
hw_desc_init(&desc[idx]);
set_cipher_mode(&desc[idx], ctx->hw_mode);
set_dout_dlli(&desc[idx], state->digest_buff_dma_addr,
- HASH_LEN_SIZE, NS_BIT, 0);
+ ctx->drvdata->hash_len_sz, NS_BIT, 0);
set_flow_mode(&desc[idx], S_HASH_to_DOUT);
set_setup_mode(&desc[idx], SETUP_WRITE_STATE1);
set_cipher_do(&desc[idx], DO_PAD);
@@ -527,7 +533,7 @@ static int ssi_hash_digest(struct ahash_req_ctx *state,
set_cipher_mode(&desc[idx], ctx->hw_mode);
set_din_sram(&desc[idx],
ssi_ahash_get_initial_digest_len_sram_addr(
-ctx->drvdata, ctx->hash_mode), HASH_LEN_SIZE);
+ctx->drvdata, ctx->hash_mode), ctx->drvdata->hash_len_sz);
set_cipher_config1(&desc[idx], HASH_PADDING_ENABLED);
set_flow_mode(&desc[idx], S_DIN_to_HASH);
set_setup_mode(&desc[idx], SETUP_LOAD_KEY0);
@@ -554,7 +560,7 @@ ctx->drvdata, ctx->hash_mode), HASH_LEN_SIZE);
set_dout_dlli(&desc[idx], state->digest_result_dma_addr, digestsize,
NS_BIT, (async_req ? 1 : 0));
if (async_req) {
- set_queue_last_ind(&desc[idx]);
+ set_queue_last_ind(ctx->drvdata, &desc[idx]);
}
set_flow_mode(&desc[idx], S_HASH_to_DOUT);
set_setup_mode(&desc[idx], SETUP_WRITE_STATE0);
@@ -635,7 +641,7 @@ static int ssi_hash_update(struct ahash_req_ctx *state,
hw_desc_init(&desc[idx]);
set_cipher_mode(&desc[idx], ctx->hw_mode);
set_din_type(&desc[idx], DMA_DLLI, state->digest_bytes_len_dma_addr,
- HASH_LEN_SIZE, NS_BIT);
+ ctx->drvdata->hash_len_sz, NS_BIT);
set_flow_mode(&desc[idx], S_DIN_to_HASH);
set_setup_mode(&desc[idx], SETUP_LOAD_KEY0);
idx++;
@@ -655,9 +661,9 @@ static int ssi_hash_update(struct ahash_req_ctx *state,
hw_desc_init(&desc[idx]);
set_cipher_mode(&desc[idx], ctx->hw_mode);
set_dout_dlli(&desc[idx], state->digest_bytes_len_dma_addr,
- HASH_LEN_SIZE, NS_BIT, (async_req ? 1 : 0));
+ ctx->drvdata->hash_len_sz, NS_BIT, (async_req ? 1 : 0));
if (async_req) {
- set_queue_last_ind(&desc[idx]);
+ set_queue_last_ind(ctx->drvdata, &desc[idx]);
}
set_flow_mode(&desc[idx], S_HASH_to_DOUT);
set_setup_mode(&desc[idx], SETUP_WRITE_STATE1);
@@ -729,7 +735,7 @@ static int ssi_hash_finup(struct ahash_req_ctx *state,
set_cipher_mode(&desc[idx], ctx->hw_mode);
set_cipher_config1(&desc[idx], HASH_PADDING_ENABLED);
set_din_type(&desc[idx], DMA_DLLI, state->digest_bytes_len_dma_addr,
- HASH_LEN_SIZE, NS_BIT);
+ ctx->drvdata->hash_len_sz, NS_BIT);
set_flow_mode(&desc[idx], S_DIN_to_HASH);
set_setup_mode(&desc[idx], SETUP_LOAD_KEY0);
idx++;
@@ -761,7 +767,7 @@ static int ssi_hash_finup(struct ahash_req_ctx *state,
set_cipher_mode(&desc[idx], ctx->hw_mode);
set_din_sram(&desc[idx],
ssi_ahash_get_initial_digest_len_sram_addr(
-ctx->drvdata, ctx->hash_mode), HASH_LEN_SIZE);
+ctx->drvdata, ctx->hash_mode), ctx->drvdata->hash_len_sz);
set_cipher_config1(&desc[idx], HASH_PADDING_ENABLED);
set_flow_mode(&desc[idx], S_DIN_to_HASH);
set_setup_mode(&desc[idx], SETUP_LOAD_KEY0);
@@ -787,7 +793,7 @@ ctx->drvdata, ctx->hash_mode), HASH_LEN_SIZE);
set_dout_dlli(&desc[idx], state->digest_result_dma_addr, digestsize,
NS_BIT, (async_req ? 1 : 0));
if (async_req) {
- set_queue_last_ind(&desc[idx]);
+ set_queue_last_ind(ctx->drvdata, &desc[idx]);
}
set_flow_mode(&desc[idx], S_HASH_to_DOUT);
set_cipher_config1(&desc[idx], HASH_PADDING_DISABLED);
@@ -867,7 +873,7 @@ static int ssi_hash_final(struct ahash_req_ctx *state,
set_cipher_mode(&desc[idx], ctx->hw_mode);
set_cipher_config1(&desc[idx], HASH_PADDING_DISABLED);
set_din_type(&desc[idx], DMA_DLLI, state->digest_bytes_len_dma_addr,
- HASH_LEN_SIZE, NS_BIT);
+ ctx->drvdata->hash_len_sz, NS_BIT);
set_flow_mode(&desc[idx], S_DIN_to_HASH);
set_setup_mode(&desc[idx], SETUP_LOAD_KEY0);
idx++;
@@ -879,7 +885,7 @@ static int ssi_hash_final(struct ahash_req_ctx *state,
set_cipher_do(&desc[idx], DO_PAD);
set_cipher_mode(&desc[idx], ctx->hw_mode);
set_dout_dlli(&desc[idx], state->digest_bytes_len_dma_addr,
- HASH_LEN_SIZE, NS_BIT, 0);
+ ctx->drvdata->hash_len_sz, NS_BIT, 0);
set_setup_mode(&desc[idx], SETUP_WRITE_STATE1);
set_flow_mode(&desc[idx], S_HASH_to_DOUT);
idx++;
@@ -909,7 +915,7 @@ static int ssi_hash_final(struct ahash_req_ctx *state,
set_cipher_mode(&desc[idx], ctx->hw_mode);
set_din_sram(&desc[idx],
ssi_ahash_get_initial_digest_len_sram_addr(
-ctx->drvdata, ctx->hash_mode), HASH_LEN_SIZE);
+ctx->drvdata, ctx->hash_mode), ctx->drvdata->hash_len_sz);
set_cipher_config1(&desc[idx], HASH_PADDING_ENABLED);
set_flow_mode(&desc[idx], S_DIN_to_HASH);
set_setup_mode(&desc[idx], SETUP_LOAD_KEY0);
@@ -934,7 +940,7 @@ ctx->drvdata, ctx->hash_mode), HASH_LEN_SIZE);
set_dout_dlli(&desc[idx], state->digest_result_dma_addr, digestsize,
NS_BIT, (async_req ? 1 : 0));
if (async_req) {
- set_queue_last_ind(&desc[idx]);
+ set_queue_last_ind(ctx->drvdata, &desc[idx]);
}
set_flow_mode(&desc[idx], S_HASH_to_DOUT);
set_cipher_config1(&desc[idx], HASH_PADDING_DISABLED);
@@ -1036,7 +1042,7 @@ static int ssi_hash_setkey(void *hash,
/* Load the hash current length*/
hw_desc_init(&desc[idx]);
set_cipher_mode(&desc[idx], ctx->hw_mode);
- set_din_const(&desc[idx], 0, HASH_LEN_SIZE);
+ set_din_const(&desc[idx], 0, ctx->drvdata->hash_len_sz);
set_cipher_config1(&desc[idx], HASH_PADDING_ENABLED);
set_flow_mode(&desc[idx], S_DIN_to_HASH);
set_setup_mode(&desc[idx], SETUP_LOAD_KEY0);
@@ -1117,7 +1123,7 @@ static int ssi_hash_setkey(void *hash,
/* Load the hash current length*/
hw_desc_init(&desc[idx]);
set_cipher_mode(&desc[idx], ctx->hw_mode);
- set_din_const(&desc[idx], 0, HASH_LEN_SIZE);
+ set_din_const(&desc[idx], 0, ctx->drvdata->hash_len_sz);
set_flow_mode(&desc[idx], S_DIN_to_HASH);
set_setup_mode(&desc[idx], SETUP_LOAD_KEY0);
idx++;
@@ -1437,7 +1443,7 @@ static int ssi_mac_update(struct ahash_request *req)
set_cipher_mode(&desc[idx], ctx->hw_mode);
set_dout_dlli(&desc[idx], state->digest_buff_dma_addr,
ctx->inter_digestsize, NS_BIT, 1);
- set_queue_last_ind(&desc[idx]);
+ set_queue_last_ind(ctx->drvdata, &desc[idx]);
set_flow_mode(&desc[idx], S_AES_to_DOUT);
set_setup_mode(&desc[idx], SETUP_WRITE_STATE0);
idx++;
@@ -1553,7 +1559,7 @@ static int ssi_mac_final(struct ahash_request *req)
/* TODO */
set_dout_dlli(&desc[idx], state->digest_result_dma_addr,
digestsize, NS_BIT, 1);
- set_queue_last_ind(&desc[idx]);
+ set_queue_last_ind(ctx->drvdata, &desc[idx]);
set_flow_mode(&desc[idx], S_AES_to_DOUT);
set_setup_mode(&desc[idx], SETUP_WRITE_STATE0);
set_cipher_mode(&desc[idx], ctx->hw_mode);
@@ -1625,7 +1631,7 @@ static int ssi_mac_finup(struct ahash_request *req)
/* TODO */
set_dout_dlli(&desc[idx], state->digest_result_dma_addr,
digestsize, NS_BIT, 1);
- set_queue_last_ind(&desc[idx]);
+ set_queue_last_ind(ctx->drvdata, &desc[idx]);
set_flow_mode(&desc[idx], S_AES_to_DOUT);
set_setup_mode(&desc[idx], SETUP_WRITE_STATE0);
set_cipher_mode(&desc[idx], ctx->hw_mode);
@@ -1697,7 +1703,7 @@ static int ssi_mac_digest(struct ahash_request *req)
hw_desc_init(&desc[idx]);
set_dout_dlli(&desc[idx], state->digest_result_dma_addr,
CC_AES_BLOCK_SIZE, NS_BIT, 1);
- set_queue_last_ind(&desc[idx]);
+ set_queue_last_ind(ctx->drvdata, &desc[idx]);
set_flow_mode(&desc[idx], S_AES_to_DOUT);
set_setup_mode(&desc[idx], SETUP_WRITE_STATE0);
set_cipher_config0(&desc[idx], DESC_DIRECTION_ENCRYPT_ENCRYPT);
@@ -1789,10 +1795,12 @@ static int ssi_ahash_export(struct ahash_request *req, void *out)
if (state->digest_bytes_len_dma_addr) {
dma_sync_single_for_cpu(dev, state->digest_bytes_len_dma_addr,
- HASH_LEN_SIZE, DMA_BIDIRECTIONAL);
- memcpy(out, state->digest_bytes_len, HASH_LEN_SIZE);
+ ctx->drvdata->hash_len_sz,
+ DMA_BIDIRECTIONAL);
+ memcpy(out, state->digest_bytes_len,
+ ctx->drvdata->hash_len_sz);
}
- out += HASH_LEN_SIZE;
+ out += ctx->drvdata->hash_len_sz;
memcpy(out, &curr_buff_cnt, sizeof(u32));
out += sizeof(u32);
@@ -1835,10 +1843,11 @@ static int ssi_ahash_import(struct ahash_request *req, const void *in)
if (state->digest_bytes_len_dma_addr) {
dma_sync_single_for_cpu(dev, state->digest_bytes_len_dma_addr,
- HASH_LEN_SIZE, DMA_BIDIRECTIONAL);
- memcpy(state->digest_bytes_len, in, HASH_LEN_SIZE);
+ ctx->drvdata->hash_len_sz,
+ DMA_BIDIRECTIONAL);
+ memcpy(state->digest_bytes_len, in, ctx->drvdata->hash_len_sz);
}
- in += HASH_LEN_SIZE;
+ in += ctx->drvdata->hash_len_sz;
dma_sync_single_for_device(dev, state->digest_buff_dma_addr,
ctx->inter_digestsize, DMA_BIDIRECTIONAL);
@@ -1846,7 +1855,8 @@ static int ssi_ahash_import(struct ahash_request *req, const void *in)
if (state->digest_bytes_len_dma_addr)
dma_sync_single_for_device(dev,
state->digest_bytes_len_dma_addr,
- HASH_LEN_SIZE, DMA_BIDIRECTIONAL);
+ ctx->drvdata->hash_len_sz,
+ DMA_BIDIRECTIONAL);
state->buff_index = 0;
@@ -1883,10 +1893,11 @@ struct ssi_hash_template {
int hw_mode;
int inter_digestsize;
struct ssi_drvdata *drvdata;
+ u32 min_hw_rev;
};
#define CC_STATE_SIZE(_x) \
- ((_x) + HASH_LEN_SIZE + SSI_MAX_HASH_BLCK_SIZE + (2 * sizeof(u32)))
+ ((_x) + HASH_MAX_LEN_SIZE + SSI_MAX_HASH_BLCK_SIZE + (2 * sizeof(u32)))
/* hash descriptors */
static struct ssi_hash_template driver_hash[] = {
@@ -1915,6 +1926,7 @@ static struct ssi_hash_template driver_hash[] = {
.hash_mode = DRV_HASH_SHA1,
.hw_mode = DRV_HASH_HW_SHA1,
.inter_digestsize = SHA1_DIGEST_SIZE,
+ .min_hw_rev = CC_HW_REV_630,
},
{
.name = "sha256",
@@ -1939,6 +1951,7 @@ static struct ssi_hash_template driver_hash[] = {
.hash_mode = DRV_HASH_SHA256,
.hw_mode = DRV_HASH_HW_SHA256,
.inter_digestsize = SHA256_DIGEST_SIZE,
+ .min_hw_rev = CC_HW_REV_630,
},
{
.name = "sha224",
@@ -1963,8 +1976,8 @@ static struct ssi_hash_template driver_hash[] = {
.hash_mode = DRV_HASH_SHA224,
.hw_mode = DRV_HASH_HW_SHA256,
.inter_digestsize = SHA256_DIGEST_SIZE,
+ .min_hw_rev = CC_HW_REV_630,
},
-#if (DX_DEV_SHA_MAX > 256)
{
.name = "sha384",
.driver_name = "sha384-dx",
@@ -1988,6 +2001,7 @@ static struct ssi_hash_template driver_hash[] = {
.hash_mode = DRV_HASH_SHA384,
.hw_mode = DRV_HASH_HW_SHA512,
.inter_digestsize = SHA512_DIGEST_SIZE,
+ .min_hw_rev = CC_HW_REV_712,
},
{
.name = "sha512",
@@ -2012,8 +2026,8 @@ static struct ssi_hash_template driver_hash[] = {
.hash_mode = DRV_HASH_SHA512,
.hw_mode = DRV_HASH_HW_SHA512,
.inter_digestsize = SHA512_DIGEST_SIZE,
+ .min_hw_rev = CC_HW_REV_712,
},
-#endif
{
.name = "md5",
.driver_name = "md5-dx",
@@ -2037,6 +2051,7 @@ static struct ssi_hash_template driver_hash[] = {
.hash_mode = DRV_HASH_MD5,
.hw_mode = DRV_HASH_HW_MD5,
.inter_digestsize = MD5_DIGEST_SIZE,
+ .min_hw_rev = CC_HW_REV_630,
},
{
.mac_name = "xcbc(aes)",
@@ -2059,6 +2074,7 @@ static struct ssi_hash_template driver_hash[] = {
.hash_mode = DRV_HASH_NULL,
.hw_mode = DRV_CIPHER_XCBC_MAC,
.inter_digestsize = AES_BLOCK_SIZE,
+ .min_hw_rev = CC_HW_REV_630,
},
#if SSI_CC_HAS_CMAC
{
@@ -2082,6 +2098,7 @@ static struct ssi_hash_template driver_hash[] = {
.hash_mode = DRV_HASH_NULL,
.hw_mode = DRV_CIPHER_CMAC,
.inter_digestsize = AES_BLOCK_SIZE,
+ .min_hw_rev = CC_HW_REV_630,
},
#endif
@@ -2142,9 +2159,8 @@ int ssi_hash_init_sram_digest_consts(struct ssi_drvdata *drvdata)
unsigned int larval_seq_len = 0;
struct cc_hw_desc larval_seq[CC_DIGEST_SIZE_MAX/sizeof(u32)];
int rc = 0;
-#if (DX_DEV_SHA_MAX > 256)
+ bool large_sha_supported = (drvdata->hw_rev >= CC_HW_REV_712);
int i;
-#endif
/* Copy-to-sram digest-len */
ssi_sram_mgr_const2sram_desc(digest_len_init, sram_buff_ofs,
@@ -2156,17 +2172,19 @@ int ssi_hash_init_sram_digest_consts(struct ssi_drvdata *drvdata)
sram_buff_ofs += sizeof(digest_len_init);
larval_seq_len = 0;
-#if (DX_DEV_SHA_MAX > 256)
- /* Copy-to-sram digest-len for sha384/512 */
- ssi_sram_mgr_const2sram_desc(digest_len_sha512_init, sram_buff_ofs,
- ARRAY_SIZE(digest_len_sha512_init), larval_seq, &larval_seq_len);
- rc = send_request_init(drvdata, larval_seq, larval_seq_len);
- if (unlikely(rc != 0))
- goto init_digest_const_err;
+ if (large_sha_supported) {
+ /* Copy-to-sram digest-len for sha384/512 */
+ ssi_sram_mgr_const2sram_desc(digest_len_sha512_init,
+ sram_buff_ofs,
+ ARRAY_SIZE(digest_len_sha512_init),
+ larval_seq, &larval_seq_len);
+ rc = send_request_init(drvdata, larval_seq, larval_seq_len);
+ if (unlikely(rc != 0))
+ goto init_digest_const_err;
- sram_buff_ofs += sizeof(digest_len_sha512_init);
- larval_seq_len = 0;
-#endif
+ sram_buff_ofs += sizeof(digest_len_sha512_init);
+ larval_seq_len = 0;
+ }
/* The initial digests offset */
hash_handle->larval_digest_sram_addr = sram_buff_ofs;
@@ -2204,43 +2222,53 @@ int ssi_hash_init_sram_digest_consts(struct ssi_drvdata *drvdata)
sram_buff_ofs += sizeof(sha256_init);
larval_seq_len = 0;
-#if (DX_DEV_SHA_MAX > 256)
- /* We are forced to swap each double-word larval before copying to sram */
- for (i = 0; i < ARRAY_SIZE(sha384_init); i++) {
- const u32 const0 = ((u32 *)((u64 *)&sha384_init[i]))[1];
- const u32 const1 = ((u32 *)((u64 *)&sha384_init[i]))[0];
-
- ssi_sram_mgr_const2sram_desc(&const0, sram_buff_ofs, 1,
- larval_seq, &larval_seq_len);
- sram_buff_ofs += sizeof(u32);
- ssi_sram_mgr_const2sram_desc(&const1, sram_buff_ofs, 1,
- larval_seq, &larval_seq_len);
- sram_buff_ofs += sizeof(u32);
- }
- rc = send_request_init(drvdata, larval_seq, larval_seq_len);
- if (unlikely(rc != 0)) {
- SSI_LOG_ERR("send_request() failed (rc = %d)\n", rc);
- goto init_digest_const_err;
- }
- larval_seq_len = 0;
-
- for (i = 0; i < ARRAY_SIZE(sha512_init); i++) {
- const u32 const0 = ((u32 *)((u64 *)&sha512_init[i]))[1];
- const u32 const1 = ((u32 *)((u64 *)&sha512_init[i]))[0];
-
- ssi_sram_mgr_const2sram_desc(&const0, sram_buff_ofs, 1,
- larval_seq, &larval_seq_len);
- sram_buff_ofs += sizeof(u32);
- ssi_sram_mgr_const2sram_desc(&const1, sram_buff_ofs, 1,
- larval_seq, &larval_seq_len);
- sram_buff_ofs += sizeof(u32);
- }
- rc = send_request_init(drvdata, larval_seq, larval_seq_len);
- if (unlikely(rc != 0)) {
- SSI_LOG_ERR("send_request() failed (rc = %d)\n", rc);
- goto init_digest_const_err;
+ if (large_sha_supported) {
+ /* We are forced to swap each double-word larval before
+ * copying to sram
+ */
+ for (i = 0; i < ARRAY_SIZE(sha384_init); i++) {
+ const u32 const0 =
+ ((u32 *)((u64 *)&sha384_init[i]))[1];
+ const u32 const1 =
+ ((u32 *)((u64 *)&sha384_init[i]))[0];
+
+ ssi_sram_mgr_const2sram_desc(&const0, sram_buff_ofs, 1,
+ larval_seq,
+ &larval_seq_len);
+ sram_buff_ofs += sizeof(u32);
+ ssi_sram_mgr_const2sram_desc(&const1, sram_buff_ofs, 1,
+ larval_seq,
+ &larval_seq_len);
+ sram_buff_ofs += sizeof(u32);
+ }
+ rc = send_request_init(drvdata, larval_seq, larval_seq_len);
+ if (unlikely(rc != 0)) {
+ SSI_LOG_ERR("send_request() failed (rc = %d)\n", rc);
+ goto init_digest_const_err;
+ }
+ larval_seq_len = 0;
+
+ for (i = 0; i < ARRAY_SIZE(sha512_init); i++) {
+ const u32 const0 =
+ ((u32 *)((u64 *)&sha512_init[i]))[1];
+ const u32 const1 =
+ ((u32 *)((u64 *)&sha512_init[i]))[0];
+
+ ssi_sram_mgr_const2sram_desc(&const0, sram_buff_ofs, 1,
+ larval_seq,
+ &larval_seq_len);
+ sram_buff_ofs += sizeof(u32);
+ ssi_sram_mgr_const2sram_desc(&const1, sram_buff_ofs, 1,
+ larval_seq,
+ &larval_seq_len);
+ sram_buff_ofs += sizeof(u32);
+ }
+ rc = send_request_init(drvdata, larval_seq, larval_seq_len);
+ if (unlikely(rc != 0)) {
+ SSI_LOG_ERR("send_request() failed (rc = %d)\n", rc);
+ goto init_digest_const_err;
+ }
}
-#endif
init_digest_const_err:
return rc;
@@ -2265,16 +2293,16 @@ int ssi_hash_alloc(struct ssi_drvdata *drvdata)
drvdata->hash_handle = hash_handle;
sram_size_to_alloc = sizeof(digest_len_init) +
-#if (DX_DEV_SHA_MAX > 256)
- sizeof(digest_len_sha512_init) +
- sizeof(sha384_init) +
- sizeof(sha512_init) +
-#endif
sizeof(md5_init) +
sizeof(sha1_init) +
sizeof(sha224_init) +
sizeof(sha256_init);
+ if (drvdata->hw_rev >= CC_HW_REV_712)
+ sram_size_to_alloc += sizeof(digest_len_sha512_init) +
+ sizeof(sha384_init) +
+ sizeof(sha512_init);
+
sram_buff = ssi_sram_mgr_alloc(drvdata, sram_size_to_alloc);
if (sram_buff == NULL_SRAM_ADDR) {
SSI_LOG_ERR("SRAM pool exhausted\n");
@@ -2299,6 +2327,10 @@ int ssi_hash_alloc(struct ssi_drvdata *drvdata)
struct ssi_hash_alg *t_alg;
int hw_mode = driver_hash[alg].hw_mode;
+ /* We either support both HASH and MAC or none */
+ if (driver_hash[alg].min_hw_rev > drvdata->hw_rev)
+ continue;
+
/* register hmac version */
t_alg = ssi_hash_create_alg(&driver_hash[alg], true);
if (IS_ERR(t_alg)) {
@@ -2543,7 +2575,6 @@ ssi_sram_addr_t ssi_ahash_get_larval_digest_sram_addr(void *drvdata, u32 mode)
sizeof(md5_init) +
sizeof(sha1_init) +
sizeof(sha224_init));
-#if (DX_DEV_SHA_MAX > 256)
case DRV_HASH_SHA384:
return (hash_handle->larval_digest_sram_addr +
sizeof(md5_init) +
@@ -2557,7 +2588,6 @@ ssi_sram_addr_t ssi_ahash_get_larval_digest_sram_addr(void *drvdata, u32 mode)
sizeof(sha224_init) +
sizeof(sha256_init) +
sizeof(sha384_init));
-#endif
default:
SSI_LOG_ERR("Invalid hash mode (%d)\n", mode);
}
@@ -2579,11 +2609,9 @@ ssi_ahash_get_initial_digest_len_sram_addr(void *drvdata, u32 mode)
case DRV_HASH_SHA256:
case DRV_HASH_MD5:
return digest_len_addr;
-#if (DX_DEV_SHA_MAX > 256)
case DRV_HASH_SHA384:
case DRV_HASH_SHA512:
return digest_len_addr + sizeof(digest_len_init);
-#endif
default:
return digest_len_addr; /*to avoid kernel crash*/
}
diff --git a/drivers/staging/ccree/ssi_hash.h b/drivers/staging/ccree/ssi_hash.h
index 0bb99cb..1c12ab9 100644
--- a/drivers/staging/ccree/ssi_hash.h
+++ b/drivers/staging/ccree/ssi_hash.h
@@ -25,15 +25,11 @@
#define HMAC_IPAD_CONST 0x36363636
#define HMAC_OPAD_CONST 0x5C5C5C5C
-#if (DX_DEV_SHA_MAX > 256)
-#define HASH_LEN_SIZE 16
+#define HASH_LEN_SIZE_712 16
+#define HASH_LEN_SIZE_630 8
+#define HASH_MAX_LEN_SIZE HASH_LEN_SIZE_712
#define SSI_MAX_HASH_DIGEST_SIZE SHA512_DIGEST_SIZE
#define SSI_MAX_HASH_BLCK_SIZE SHA512_BLOCK_SIZE
-#else
-#define HASH_LEN_SIZE 8
-#define SSI_MAX_HASH_DIGEST_SIZE SHA256_DIGEST_SIZE
-#define SSI_MAX_HASH_BLCK_SIZE SHA256_BLOCK_SIZE
-#endif
#define XCBC_MAC_K1_OFFSET 0
#define XCBC_MAC_K2_OFFSET 16
diff --git a/drivers/staging/ccree/ssi_request_mgr.c b/drivers/staging/ccree/ssi_request_mgr.c
index 7c2d88a..cffc8de 100644
--- a/drivers/staging/ccree/ssi_request_mgr.c
+++ b/drivers/staging/ccree/ssi_request_mgr.c
@@ -152,7 +152,7 @@ int request_mgr_init(struct ssi_drvdata *drvdata)
set_dout_dlli(&req_mgr_h->compl_desc, req_mgr_h->dummy_comp_buff_dma,
sizeof(u32), NS_BIT, 1);
set_flow_mode(&req_mgr_h->compl_desc, BYPASS);
- set_queue_last_ind(&req_mgr_h->compl_desc);
+ set_queue_last_ind(drvdata, &req_mgr_h->compl_desc);
return 0;
@@ -414,7 +414,7 @@ int send_request_init(
if (unlikely(rc != 0 )) {
return rc;
}
- set_queue_last_ind(&desc[(len - 1)]);
+ set_queue_last_ind(drvdata, &desc[(len - 1)]);
enqueue_seq(cc_base, desc, len);
@@ -500,13 +500,15 @@ static void proc_completions(struct ssi_drvdata *drvdata)
}
}
-static inline u32 cc_axi_comp_count(void __iomem *cc_base)
+static inline u32 cc_axi_comp_count(struct ssi_drvdata *drvdata)
{
/* The CC_HAL_READ_REGISTER macro implictly requires and uses
* a base MMIO register address variable named cc_base.
*/
+ void __iomem *cc_base = drvdata->cc_base;
+
return FIELD_GET(AXIM_MON_COMP_VALUE,
- CC_HAL_READ_REGISTER(AXIM_MON_BASE_OFFSET));
+ CC_HAL_READ_REGISTER(drvdata->axim_mon_offset));
}
/* Deferred service handler, run as interrupt-fired tasklet */
@@ -516,11 +518,8 @@ static void comp_handler(unsigned long devarg)
void __iomem *cc_base = drvdata->cc_base;
struct ssi_request_mgr_handle * request_mgr_handle =
drvdata->request_mgr_handle;
-
u32 irq;
-
-
irq = (drvdata->irq & SSI_COMP_IRQ_MASK);
if (irq & SSI_COMP_IRQ_MASK) {
@@ -529,7 +528,7 @@ static void comp_handler(unsigned long devarg)
/* Avoid race with above clear: Test completion counter once more */
request_mgr_handle->axi_completed +=
- cc_axi_comp_count(cc_base);
+ cc_axi_comp_count(drvdata);
while (request_mgr_handle->axi_completed) {
do {
@@ -538,7 +537,7 @@ static void comp_handler(unsigned long devarg)
* request_mgr_handle->axi_completed is 0.
*/
request_mgr_handle->axi_completed =
- cc_axi_comp_count(cc_base);
+ cc_axi_comp_count(drvdata);
} while (request_mgr_handle->axi_completed > 0);
/* To avoid the interrupt from firing as we unmask it, we clear it now */
@@ -546,7 +545,7 @@ static void comp_handler(unsigned long devarg)
/* Avoid race with above clear: Test completion counter once more */
request_mgr_handle->axi_completed +=
- cc_axi_comp_count(cc_base);
+ cc_axi_comp_count(drvdata);
}
}
diff --git a/drivers/staging/ccree/ssi_sram_mgr.c b/drivers/staging/ccree/ssi_sram_mgr.c
index c8ab55e..589638c 100644
--- a/drivers/staging/ccree/ssi_sram_mgr.c
+++ b/drivers/staging/ccree/ssi_sram_mgr.c
@@ -53,6 +53,8 @@ void ssi_sram_mgr_fini(struct ssi_drvdata *drvdata)
int ssi_sram_mgr_init(struct ssi_drvdata *drvdata)
{
struct ssi_sram_mgr_ctx *smgr_ctx;
+ void *cc_base = drvdata->cc_base;
+ dma_addr_t start = 0;
int rc;
/* Allocate "this" context */
@@ -66,9 +68,18 @@ int ssi_sram_mgr_init(struct ssi_drvdata *drvdata)
}
smgr_ctx = drvdata->sram_mgr_handle;
- /* Pool starts at start of SRAM */
- smgr_ctx->sram_free_offset = 0;
+ if (drvdata->hw_rev < CC_HW_REV_712) {
+ /* Pool starts after ROM bytes */
+ start = (dma_addr_t)CC_HAL_READ_REGISTER(CC_REG_OFFSET(HOST_RGF,
+HOST_SEP_SRAM_THRESHOLD));
+ if ((start & 0x3) != 0) {
+ SSI_LOG_ERR("Invalid SRAM offset 0x%x\n", start);
+ rc = -ENODEV;
+ goto out;
+ }
+ }
+ smgr_ctx->sram_free_offset = start;
return 0;
out:
--
2.1.4