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Message-Id: <1495982440-10047-4-git-send-email-gilad@benyossef.com>
Date: Sun, 28 May 2017 17:40:28 +0300
From: Gilad Ben-Yossef <gilad@...yossef.com>
To: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc: Ofir Drang <ofir.drang@....com>, linux-kernel@...r.kernel.org,
linux-crypto@...r.kernel.org,
driverdev-devel@...uxdriverproject.org, devel@...verdev.osuosl.org
Subject: [PATCH 03/12] staging: ccree: remove 48 bit dma addr sim
Remove no longer needed code used to simulate 48 bit dma addresses
on 32 bit platforms for development purposes.
Signed-off-by: Gilad Ben-Yossef <gilad@...yossef.com>
---
drivers/staging/ccree/ssi_aead.c | 19 --------
drivers/staging/ccree/ssi_buffer_mgr.c | 83 ---------------------------------
drivers/staging/ccree/ssi_buffer_mgr.h | 16 -------
drivers/staging/ccree/ssi_cipher.c | 4 --
drivers/staging/ccree/ssi_hash.c | 35 --------------
drivers/staging/ccree/ssi_ivgen.c | 3 --
drivers/staging/ccree/ssi_request_mgr.c | 3 --
7 files changed, 163 deletions(-)
diff --git a/drivers/staging/ccree/ssi_aead.c b/drivers/staging/ccree/ssi_aead.c
index 1bb78d10..2a7ec8b 100644
--- a/drivers/staging/ccree/ssi_aead.c
+++ b/drivers/staging/ccree/ssi_aead.c
@@ -99,7 +99,6 @@ static void ssi_aead_exit(struct crypto_aead *tfm)
dev = &ctx->drvdata->plat_dev->dev;
/* Unmap enckey buffer */
if (ctx->enckey != NULL) {
- SSI_RESTORE_DMA_ADDR_TO_48BIT(ctx->enckey_dma_addr);
dma_free_coherent(dev, AES_MAX_KEY_SIZE, ctx->enckey, ctx->enckey_dma_addr);
SSI_LOG_DEBUG("Freed enckey DMA buffer enckey_dma_addr=0x%llX\n",
(unsigned long long)ctx->enckey_dma_addr);
@@ -109,8 +108,6 @@ static void ssi_aead_exit(struct crypto_aead *tfm)
if (ctx->auth_mode == DRV_HASH_XCBC_MAC) { /* XCBC authetication */
if (ctx->auth_state.xcbc.xcbc_keys != NULL) {
- SSI_RESTORE_DMA_ADDR_TO_48BIT(
- ctx->auth_state.xcbc.xcbc_keys_dma_addr);
dma_free_coherent(dev, CC_AES_128_BIT_KEY_SIZE * 3,
ctx->auth_state.xcbc.xcbc_keys,
ctx->auth_state.xcbc.xcbc_keys_dma_addr);
@@ -121,8 +118,6 @@ static void ssi_aead_exit(struct crypto_aead *tfm)
ctx->auth_state.xcbc.xcbc_keys = NULL;
} else if (ctx->auth_mode != DRV_HASH_NULL) { /* HMAC auth. */
if (ctx->auth_state.hmac.ipad_opad != NULL) {
- SSI_RESTORE_DMA_ADDR_TO_48BIT(
- ctx->auth_state.hmac.ipad_opad_dma_addr);
dma_free_coherent(dev, 2 * MAX_HMAC_DIGEST_SIZE,
ctx->auth_state.hmac.ipad_opad,
ctx->auth_state.hmac.ipad_opad_dma_addr);
@@ -132,8 +127,6 @@ static void ssi_aead_exit(struct crypto_aead *tfm)
ctx->auth_state.hmac.ipad_opad = NULL;
}
if (ctx->auth_state.hmac.padded_authkey != NULL) {
- SSI_RESTORE_DMA_ADDR_TO_48BIT(
- ctx->auth_state.hmac.padded_authkey_dma_addr);
dma_free_coherent(dev, MAX_HMAC_BLOCK_SIZE,
ctx->auth_state.hmac.padded_authkey,
ctx->auth_state.hmac.padded_authkey_dma_addr);
@@ -171,7 +164,6 @@ static int ssi_aead_init(struct crypto_aead *tfm)
SSI_LOG_ERR("Failed allocating key buffer\n");
goto init_failed;
}
- SSI_UPDATE_DMA_ADDR_TO_48BIT(ctx->enckey_dma_addr, AES_MAX_KEY_SIZE);
SSI_LOG_DEBUG("Allocated enckey buffer in context ctx->enckey=@%p\n", ctx->enckey);
/* Set default authlen value */
@@ -186,9 +178,6 @@ static int ssi_aead_init(struct crypto_aead *tfm)
SSI_LOG_ERR("Failed allocating buffer for XCBC keys\n");
goto init_failed;
}
- SSI_UPDATE_DMA_ADDR_TO_48BIT(
- ctx->auth_state.xcbc.xcbc_keys_dma_addr,
- CC_AES_128_BIT_KEY_SIZE * 3);
} else if (ctx->auth_mode != DRV_HASH_NULL) { /* HMAC authentication */
/* Allocate dma-coherent buffer for IPAD + OPAD */
ctx->auth_state.hmac.ipad_opad = dma_alloc_coherent(dev,
@@ -198,9 +187,6 @@ static int ssi_aead_init(struct crypto_aead *tfm)
SSI_LOG_ERR("Failed allocating IPAD/OPAD buffer\n");
goto init_failed;
}
- SSI_UPDATE_DMA_ADDR_TO_48BIT(
- ctx->auth_state.hmac.ipad_opad_dma_addr,
- 2 * MAX_HMAC_DIGEST_SIZE);
SSI_LOG_DEBUG("Allocated authkey buffer in context ctx->authkey=@%p\n",
ctx->auth_state.hmac.ipad_opad);
@@ -211,9 +197,6 @@ static int ssi_aead_init(struct crypto_aead *tfm)
SSI_LOG_ERR("failed to allocate padded_authkey\n");
goto init_failed;
}
- SSI_UPDATE_DMA_ADDR_TO_48BIT(
- ctx->auth_state.hmac.padded_authkey_dma_addr,
- MAX_HMAC_BLOCK_SIZE);
} else {
ctx->auth_state.hmac.ipad_opad = NULL;
ctx->auth_state.hmac.padded_authkey = NULL;
@@ -462,7 +445,6 @@ ssi_get_plain_hmac_key(struct crypto_aead *tfm, const u8 *key, unsigned int keyl
" DMA failed\n", key, keylen);
return -ENOMEM;
}
- SSI_UPDATE_DMA_ADDR_TO_48BIT(key_dma_addr, keylen);
if (keylen > blocksize) {
/* Load hash initial state */
hw_desc_init(&desc[idx]);
@@ -545,7 +527,6 @@ ssi_get_plain_hmac_key(struct crypto_aead *tfm, const u8 *key, unsigned int keyl
SSI_LOG_ERR("send_request() failed (rc=%d)\n", rc);
if (likely(key_dma_addr != 0)) {
- SSI_RESTORE_DMA_ADDR_TO_48BIT(key_dma_addr);
dma_unmap_single(dev, key_dma_addr, keylen, DMA_TO_DEVICE);
}
diff --git a/drivers/staging/ccree/ssi_buffer_mgr.c b/drivers/staging/ccree/ssi_buffer_mgr.c
index 04515e7..0affe1f 100644
--- a/drivers/staging/ccree/ssi_buffer_mgr.c
+++ b/drivers/staging/ccree/ssi_buffer_mgr.c
@@ -95,54 +95,6 @@ struct buffer_array {
u32 * mlli_nents[MAX_NUM_OF_BUFFERS_IN_MLLI];
};
-#ifdef CC_DMA_48BIT_SIM
-dma_addr_t ssi_buff_mgr_update_dma_addr(dma_addr_t orig_addr, u32 data_len)
-{
- dma_addr_t tmp_dma_addr;
-#ifdef CC_DMA_48BIT_SIM_FULL
- /* With this code all addresses will be switched to 48 bits. */
- /* The if condition protects from double expention */
- if((((orig_addr >> 16) & 0xFFFF) != 0xFFFF) &&
- (data_len <= CC_MAX_MLLI_ENTRY_SIZE)) {
-#else
- if((!(((orig_addr >> 16) & 0xFF) % 2)) &&
- (data_len <= CC_MAX_MLLI_ENTRY_SIZE)) {
-#endif
- tmp_dma_addr = ((orig_addr<<16) | 0xFFFF0000 |
- (orig_addr & U16_MAX));
- SSI_LOG_DEBUG("MAP DMA: orig address=0x%llX "
- "dma_address=0x%llX\n",
- orig_addr, tmp_dma_addr);
- return tmp_dma_addr;
- }
- return orig_addr;
-}
-
-dma_addr_t ssi_buff_mgr_restore_dma_addr(dma_addr_t orig_addr)
-{
- dma_addr_t tmp_dma_addr;
-#ifdef CC_DMA_48BIT_SIM_FULL
- /* With this code all addresses will be restored from 48 bits. */
- /* The if condition protects from double restoring */
- if((orig_addr >> 32) & 0xFFFF ) {
-#else
- if(((orig_addr >> 32) & 0xFFFF) &&
- !(((orig_addr >> 32) & 0xFF) % 2) ) {
-#endif
- /*return high 16 bits*/
- tmp_dma_addr = ((orig_addr >> 16));
- /*clean the 0xFFFF in the lower bits (set in the add expansion)*/
- tmp_dma_addr &= 0xFFFF0000;
- /* Set the original 16 bits */
- tmp_dma_addr |= (orig_addr & U16_MAX);
- SSI_LOG_DEBUG("Release DMA: orig address=0x%llX "
- "dma_address=0x%llX\n",
- orig_addr, tmp_dma_addr);
- return tmp_dma_addr;
- }
- return orig_addr;
-}
-#endif
/**
* ssi_buffer_mgr_get_sgl_nents() - Get scatterlist number of entries.
*
@@ -234,20 +186,17 @@ static inline int ssi_buffer_mgr_render_buff_to_mlli(
/*handle buffer longer than 64 kbytes */
while (buff_size > CC_MAX_MLLI_ENTRY_SIZE ) {
- SSI_UPDATE_DMA_ADDR_TO_48BIT(buff_dma, CC_MAX_MLLI_ENTRY_SIZE);
LLI_SET_ADDR(mlli_entry_p,buff_dma);
LLI_SET_SIZE(mlli_entry_p, CC_MAX_MLLI_ENTRY_SIZE);
SSI_LOG_DEBUG("entry[%d]: single_buff=0x%08X size=%08X\n",*curr_nents,
mlli_entry_p[LLI_WORD0_OFFSET],
mlli_entry_p[LLI_WORD1_OFFSET]);
- SSI_RESTORE_DMA_ADDR_TO_48BIT(buff_dma);
buff_dma += CC_MAX_MLLI_ENTRY_SIZE;
buff_size -= CC_MAX_MLLI_ENTRY_SIZE;
mlli_entry_p = mlli_entry_p + 2;
(*curr_nents)++;
}
/*Last entry */
- SSI_UPDATE_DMA_ADDR_TO_48BIT(buff_dma, buff_size);
LLI_SET_ADDR(mlli_entry_p,buff_dma);
LLI_SET_SIZE(mlli_entry_p, buff_size);
SSI_LOG_DEBUG("entry[%d]: single_buff=0x%08X size=%08X\n",*curr_nents,
@@ -306,9 +255,6 @@ static int ssi_buffer_mgr_generate_mlli(
rc =-ENOMEM;
goto build_mlli_exit;
}
- SSI_UPDATE_DMA_ADDR_TO_48BIT(mlli_params->mlli_dma_addr,
- (MAX_NUM_OF_TOTAL_MLLI_ENTRIES*
- LLI_ENTRY_BYTE_SIZE));
/* Point to start of MLLI */
mlli_p = (u32 *)mlli_params->mlli_virt_addr;
/* go over all SG's and link it to one MLLI table */
@@ -451,7 +397,6 @@ static int ssi_buffer_mgr_map_scatterlist(
*lbytes = nbytes;
*nents = 1;
*mapped_nents = 1;
- SSI_UPDATE_DMA_ADDR_TO_48BIT(sg_dma_address(sg), sg_dma_len(sg));
} else { /*sg_is_last*/
*nents = ssi_buffer_mgr_get_sgl_nents(sg, nbytes, lbytes,
&is_chained);
@@ -569,7 +514,6 @@ void ssi_buffer_mgr_unmap_blkcipher_request(
SSI_LOG_DEBUG("Unmapped iv: iv_dma_addr=0x%llX iv_size=%u\n",
(unsigned long long)req_ctx->gen_ctx.iv_dma_addr,
ivsize);
- SSI_RESTORE_DMA_ADDR_TO_48BIT(req_ctx->gen_ctx.iv_dma_addr);
dma_unmap_single(dev, req_ctx->gen_ctx.iv_dma_addr,
ivsize,
req_ctx->is_giv ? DMA_BIDIRECTIONAL :
@@ -577,20 +521,17 @@ void ssi_buffer_mgr_unmap_blkcipher_request(
}
/* Release pool */
if (req_ctx->dma_buf_type == SSI_DMA_BUF_MLLI) {
- SSI_RESTORE_DMA_ADDR_TO_48BIT(req_ctx->mlli_params.mlli_dma_addr);
dma_pool_free(req_ctx->mlli_params.curr_pool,
req_ctx->mlli_params.mlli_virt_addr,
req_ctx->mlli_params.mlli_dma_addr);
}
- SSI_RESTORE_DMA_ADDR_TO_48BIT(sg_dma_address(src));
dma_unmap_sg(dev, src, req_ctx->in_nents,
DMA_BIDIRECTIONAL);
SSI_LOG_DEBUG("Unmapped req->src=%pK\n",
sg_virt(src));
if (src != dst) {
- SSI_RESTORE_DMA_ADDR_TO_48BIT(sg_dma_address(dst));
dma_unmap_sg(dev, dst, req_ctx->out_nents,
DMA_BIDIRECTIONAL);
SSI_LOG_DEBUG("Unmapped req->dst=%pK\n",
@@ -634,8 +575,6 @@ int ssi_buffer_mgr_map_blkcipher_request(
"for DMA failed\n", ivsize, info);
return -ENOMEM;
}
- SSI_UPDATE_DMA_ADDR_TO_48BIT(req_ctx->gen_ctx.iv_dma_addr,
- ivsize);
SSI_LOG_DEBUG("Mapped iv %u B at va=%pK to dma=0x%llX\n",
ivsize, info,
(unsigned long long)req_ctx->gen_ctx.iv_dma_addr);
@@ -715,7 +654,6 @@ void ssi_buffer_mgr_unmap_aead_request(
u32 size_to_unmap = 0;
if (areq_ctx->mac_buf_dma_addr != 0) {
- SSI_RESTORE_DMA_ADDR_TO_48BIT(areq_ctx->mac_buf_dma_addr);
dma_unmap_single(dev, areq_ctx->mac_buf_dma_addr,
MAX_MAC_SIZE, DMA_BIDIRECTIONAL);
}
@@ -723,25 +661,21 @@ void ssi_buffer_mgr_unmap_aead_request(
#if SSI_CC_HAS_AES_GCM
if (areq_ctx->cipher_mode == DRV_CIPHER_GCTR) {
if (areq_ctx->hkey_dma_addr != 0) {
- SSI_RESTORE_DMA_ADDR_TO_48BIT(areq_ctx->hkey_dma_addr);
dma_unmap_single(dev, areq_ctx->hkey_dma_addr,
AES_BLOCK_SIZE, DMA_BIDIRECTIONAL);
}
if (areq_ctx->gcm_block_len_dma_addr != 0) {
- SSI_RESTORE_DMA_ADDR_TO_48BIT(areq_ctx->gcm_block_len_dma_addr);
dma_unmap_single(dev, areq_ctx->gcm_block_len_dma_addr,
AES_BLOCK_SIZE, DMA_TO_DEVICE);
}
if (areq_ctx->gcm_iv_inc1_dma_addr != 0) {
- SSI_RESTORE_DMA_ADDR_TO_48BIT(areq_ctx->gcm_iv_inc1_dma_addr);
dma_unmap_single(dev, areq_ctx->gcm_iv_inc1_dma_addr,
AES_BLOCK_SIZE, DMA_TO_DEVICE);
}
if (areq_ctx->gcm_iv_inc2_dma_addr != 0) {
- SSI_RESTORE_DMA_ADDR_TO_48BIT(areq_ctx->gcm_iv_inc2_dma_addr);
dma_unmap_single(dev, areq_ctx->gcm_iv_inc2_dma_addr,
AES_BLOCK_SIZE, DMA_TO_DEVICE);
}
@@ -750,7 +684,6 @@ void ssi_buffer_mgr_unmap_aead_request(
if (areq_ctx->ccm_hdr_size != ccm_header_size_null) {
if (areq_ctx->ccm_iv0_dma_addr != 0) {
- SSI_RESTORE_DMA_ADDR_TO_48BIT(areq_ctx->ccm_iv0_dma_addr);
dma_unmap_single(dev, areq_ctx->ccm_iv0_dma_addr,
AES_BLOCK_SIZE, DMA_TO_DEVICE);
}
@@ -758,7 +691,6 @@ void ssi_buffer_mgr_unmap_aead_request(
dma_unmap_sg(dev, &areq_ctx->ccm_adata_sg, 1, DMA_TO_DEVICE);
}
if (areq_ctx->gen_ctx.iv_dma_addr != 0) {
- SSI_RESTORE_DMA_ADDR_TO_48BIT(areq_ctx->gen_ctx.iv_dma_addr);
dma_unmap_single(dev, areq_ctx->gen_ctx.iv_dma_addr,
hw_iv_size, DMA_BIDIRECTIONAL);
}
@@ -769,14 +701,12 @@ void ssi_buffer_mgr_unmap_aead_request(
SSI_LOG_DEBUG("free MLLI buffer: dma=0x%08llX virt=%pK\n",
(unsigned long long)areq_ctx->mlli_params.mlli_dma_addr,
areq_ctx->mlli_params.mlli_virt_addr);
- SSI_RESTORE_DMA_ADDR_TO_48BIT(areq_ctx->mlli_params.mlli_dma_addr);
dma_pool_free(areq_ctx->mlli_params.curr_pool,
areq_ctx->mlli_params.mlli_virt_addr,
areq_ctx->mlli_params.mlli_dma_addr);
}
SSI_LOG_DEBUG("Unmapping src sgl: req->src=%pK areq_ctx->src.nents=%u areq_ctx->assoc.nents=%u assoclen:%u cryptlen=%u\n", sg_virt(req->src),areq_ctx->src.nents,areq_ctx->assoc.nents,req->assoclen,req->cryptlen);
- SSI_RESTORE_DMA_ADDR_TO_48BIT(sg_dma_address(req->src));
size_to_unmap = req->assoclen+req->cryptlen;
if(areq_ctx->gen_ctx.op_type == DRV_CRYPTO_DIRECTION_ENCRYPT){
size_to_unmap += areq_ctx->req_authsize;
@@ -788,7 +718,6 @@ void ssi_buffer_mgr_unmap_aead_request(
if (unlikely(req->src != req->dst)) {
SSI_LOG_DEBUG("Unmapping dst sgl: req->dst=%pK\n",
sg_virt(req->dst));
- SSI_RESTORE_DMA_ADDR_TO_48BIT(sg_dma_address(req->dst));
dma_unmap_sg(dev, req->dst, ssi_buffer_mgr_get_sgl_nents(req->dst,size_to_unmap,&dummy,&chained),
DMA_BIDIRECTIONAL);
}
@@ -885,7 +814,6 @@ static inline int ssi_buffer_mgr_aead_chain_iv(
rc = -ENOMEM;
goto chain_iv_exit;
}
- SSI_UPDATE_DMA_ADDR_TO_48BIT(areq_ctx->gen_ctx.iv_dma_addr, hw_iv_size);
SSI_LOG_DEBUG("Mapped iv %u B at va=%pK to dma=0x%llX\n",
hw_iv_size, req->iv,
@@ -1400,7 +1328,6 @@ int ssi_buffer_mgr_map_aead_request(
rc = -ENOMEM;
goto aead_map_failure;
}
- SSI_UPDATE_DMA_ADDR_TO_48BIT(areq_ctx->mac_buf_dma_addr, MAX_MAC_SIZE);
if (areq_ctx->ccm_hdr_size != ccm_header_size_null) {
areq_ctx->ccm_iv0_dma_addr = dma_map_single(dev,
@@ -1415,8 +1342,6 @@ int ssi_buffer_mgr_map_aead_request(
rc = -ENOMEM;
goto aead_map_failure;
}
- SSI_UPDATE_DMA_ADDR_TO_48BIT(areq_ctx->ccm_iv0_dma_addr,
- AES_BLOCK_SIZE);
if (ssi_aead_handle_config_buf(dev, areq_ctx,
areq_ctx->ccm_config, &sg_data, req->assoclen) != 0) {
rc = -ENOMEM;
@@ -1434,7 +1359,6 @@ int ssi_buffer_mgr_map_aead_request(
rc = -ENOMEM;
goto aead_map_failure;
}
- SSI_UPDATE_DMA_ADDR_TO_48BIT(areq_ctx->hkey_dma_addr, AES_BLOCK_SIZE);
areq_ctx->gcm_block_len_dma_addr = dma_map_single(dev,
&areq_ctx->gcm_len_block, AES_BLOCK_SIZE, DMA_TO_DEVICE);
@@ -1444,7 +1368,6 @@ int ssi_buffer_mgr_map_aead_request(
rc = -ENOMEM;
goto aead_map_failure;
}
- SSI_UPDATE_DMA_ADDR_TO_48BIT(areq_ctx->gcm_block_len_dma_addr, AES_BLOCK_SIZE);
areq_ctx->gcm_iv_inc1_dma_addr = dma_map_single(dev,
areq_ctx->gcm_iv_inc1,
@@ -1458,8 +1381,6 @@ int ssi_buffer_mgr_map_aead_request(
rc = -ENOMEM;
goto aead_map_failure;
}
- SSI_UPDATE_DMA_ADDR_TO_48BIT(areq_ctx->gcm_iv_inc1_dma_addr,
- AES_BLOCK_SIZE);
areq_ctx->gcm_iv_inc2_dma_addr = dma_map_single(dev,
areq_ctx->gcm_iv_inc2,
@@ -1473,8 +1394,6 @@ int ssi_buffer_mgr_map_aead_request(
rc = -ENOMEM;
goto aead_map_failure;
}
- SSI_UPDATE_DMA_ADDR_TO_48BIT(areq_ctx->gcm_iv_inc2_dma_addr,
- AES_BLOCK_SIZE);
}
#endif /*SSI_CC_HAS_AES_GCM*/
@@ -1798,7 +1717,6 @@ void ssi_buffer_mgr_unmap_hash_request(
SSI_LOG_DEBUG("free MLLI buffer: dma=0x%llX virt=%pK\n",
(unsigned long long)areq_ctx->mlli_params.mlli_dma_addr,
areq_ctx->mlli_params.mlli_virt_addr);
- SSI_RESTORE_DMA_ADDR_TO_48BIT(areq_ctx->mlli_params.mlli_dma_addr);
dma_pool_free(areq_ctx->mlli_params.curr_pool,
areq_ctx->mlli_params.mlli_virt_addr,
areq_ctx->mlli_params.mlli_dma_addr);
@@ -1809,7 +1727,6 @@ void ssi_buffer_mgr_unmap_hash_request(
sg_virt(src),
(unsigned long long)sg_dma_address(src),
sg_dma_len(src));
- SSI_RESTORE_DMA_ADDR_TO_48BIT(sg_dma_address(src));
dma_unmap_sg(dev, src,
areq_ctx->in_nents, DMA_TO_DEVICE);
}
diff --git a/drivers/staging/ccree/ssi_buffer_mgr.h b/drivers/staging/ccree/ssi_buffer_mgr.h
index 4acbb4b..424a94a 100644
--- a/drivers/staging/ccree/ssi_buffer_mgr.h
+++ b/drivers/staging/ccree/ssi_buffer_mgr.h
@@ -85,21 +85,5 @@ void ssi_buffer_mgr_copy_scatterlist_portion(u8 *dest, struct scatterlist *sg, u
void ssi_buffer_mgr_zero_sgl(struct scatterlist *sgl, u32 data_len);
-
-#ifdef CC_DMA_48BIT_SIM
-dma_addr_t ssi_buff_mgr_update_dma_addr(dma_addr_t orig_addr, u32 data_len);
-dma_addr_t ssi_buff_mgr_restore_dma_addr(dma_addr_t orig_addr);
-
-#define SSI_UPDATE_DMA_ADDR_TO_48BIT(addr,size) addr = \
- ssi_buff_mgr_update_dma_addr(addr,size)
-#define SSI_RESTORE_DMA_ADDR_TO_48BIT(addr) addr = \
- ssi_buff_mgr_restore_dma_addr(addr)
-#else
-
-#define SSI_UPDATE_DMA_ADDR_TO_48BIT(addr,size) addr = addr
-#define SSI_RESTORE_DMA_ADDR_TO_48BIT(addr) addr = addr
-
-#endif
-
#endif /*__BUFFER_MGR_H__*/
diff --git a/drivers/staging/ccree/ssi_cipher.c b/drivers/staging/ccree/ssi_cipher.c
index 8f86fcd..56e441c 100644
--- a/drivers/staging/ccree/ssi_cipher.c
+++ b/drivers/staging/ccree/ssi_cipher.c
@@ -215,7 +215,6 @@ static int ssi_blkcipher_init(struct crypto_tfm *tfm)
max_key_buf_size, ctx_p->user.key);
return -ENOMEM;
}
- SSI_UPDATE_DMA_ADDR_TO_48BIT(ctx_p->user.key_dma_addr, max_key_buf_size);
SSI_LOG_DEBUG("Mapped key %u B at va=%pK to dma=0x%llX\n",
max_key_buf_size, ctx_p->user.key,
(unsigned long long)ctx_p->user.key_dma_addr);
@@ -248,7 +247,6 @@ static void ssi_blkcipher_exit(struct crypto_tfm *tfm)
}
/* Unmap key buffer */
- SSI_RESTORE_DMA_ADDR_TO_48BIT(ctx_p->user.key_dma_addr);
dma_unmap_single(dev, ctx_p->user.key_dma_addr, max_key_buf_size,
DMA_TO_DEVICE);
SSI_LOG_DEBUG("Unmapped key buffer key_dma_addr=0x%llX\n",
@@ -413,7 +411,6 @@ static int ssi_blkcipher_setkey(struct crypto_tfm *tfm,
/* STAT_PHASE_1: Copy key to ctx */
START_CYCLE_COUNT();
- SSI_RESTORE_DMA_ADDR_TO_48BIT(ctx_p->user.key_dma_addr);
dma_sync_single_for_cpu(dev, ctx_p->user.key_dma_addr,
max_key_buf_size, DMA_TO_DEVICE);
#if SSI_CC_HAS_MULTI2
@@ -449,7 +446,6 @@ static int ssi_blkcipher_setkey(struct crypto_tfm *tfm,
}
dma_sync_single_for_device(dev, ctx_p->user.key_dma_addr,
max_key_buf_size, DMA_TO_DEVICE);
- SSI_UPDATE_DMA_ADDR_TO_48BIT(ctx_p->user.key_dma_addr ,max_key_buf_size);
ctx_p->keylen = keylen;
END_CYCLE_COUNT(STAT_OP_TYPE_SETKEY, STAT_PHASE_1);
diff --git a/drivers/staging/ccree/ssi_hash.c b/drivers/staging/ccree/ssi_hash.c
index 04d757f..4a22f91 100644
--- a/drivers/staging/ccree/ssi_hash.c
+++ b/drivers/staging/ccree/ssi_hash.c
@@ -144,8 +144,6 @@ static int ssi_hash_map_result(struct device *dev,
digestsize);
return -ENOMEM;
}
- SSI_UPDATE_DMA_ADDR_TO_48BIT(state->digest_result_dma_addr,
- digestsize);
SSI_LOG_DEBUG("Mapped digest result buffer %u B "
"at va=%pK to dma=0x%llX\n",
digestsize, state->digest_result_buff,
@@ -211,17 +209,12 @@ static int ssi_hash_map_request(struct device *dev,
ctx->inter_digestsize, state->digest_buff);
goto fail3;
}
- SSI_UPDATE_DMA_ADDR_TO_48BIT(state->digest_buff_dma_addr,
- ctx->inter_digestsize);
SSI_LOG_DEBUG("Mapped digest %d B at va=%pK to dma=0x%llX\n",
ctx->inter_digestsize, state->digest_buff,
(unsigned long long)state->digest_buff_dma_addr);
if (is_hmac) {
- SSI_RESTORE_DMA_ADDR_TO_48BIT(ctx->digest_buff_dma_addr);
dma_sync_single_for_cpu(dev, ctx->digest_buff_dma_addr, ctx->inter_digestsize, DMA_BIDIRECTIONAL);
- SSI_UPDATE_DMA_ADDR_TO_48BIT(ctx->digest_buff_dma_addr,
- ctx->inter_digestsize);
if ((ctx->hw_mode == DRV_CIPHER_XCBC_MAC) || (ctx->hw_mode == DRV_CIPHER_CMAC)) {
memset(state->digest_buff, 0, ctx->inter_digestsize);
} else { /*sha*/
@@ -236,17 +229,11 @@ static int ssi_hash_map_request(struct device *dev,
memcpy(state->digest_bytes_len, digest_len_init, HASH_LEN_SIZE);
#endif
}
- SSI_RESTORE_DMA_ADDR_TO_48BIT(state->digest_buff_dma_addr);
dma_sync_single_for_device(dev, state->digest_buff_dma_addr, ctx->inter_digestsize, DMA_BIDIRECTIONAL);
- SSI_UPDATE_DMA_ADDR_TO_48BIT(state->digest_buff_dma_addr,
- ctx->inter_digestsize);
if (ctx->hash_mode != DRV_HASH_NULL) {
- SSI_RESTORE_DMA_ADDR_TO_48BIT(ctx->opad_tmp_keys_dma_addr);
dma_sync_single_for_cpu(dev, ctx->opad_tmp_keys_dma_addr, ctx->inter_digestsize, DMA_BIDIRECTIONAL);
memcpy(state->opad_digest_buff, ctx->opad_tmp_keys_buff, ctx->inter_digestsize);
- SSI_UPDATE_DMA_ADDR_TO_48BIT(ctx->opad_tmp_keys_dma_addr,
- ctx->inter_digestsize);
}
} else { /*hash*/
/* Copy the initial digests if hash flow. The SRAM contains the
@@ -271,8 +258,6 @@ static int ssi_hash_map_request(struct device *dev,
HASH_LEN_SIZE, state->digest_bytes_len);
goto fail4;
}
- SSI_UPDATE_DMA_ADDR_TO_48BIT(state->digest_bytes_len_dma_addr,
- HASH_LEN_SIZE);
SSI_LOG_DEBUG("Mapped digest len %u B at va=%pK to dma=0x%llX\n",
HASH_LEN_SIZE, state->digest_bytes_len,
(unsigned long long)state->digest_bytes_len_dma_addr);
@@ -287,8 +272,6 @@ static int ssi_hash_map_request(struct device *dev,
ctx->inter_digestsize, state->opad_digest_buff);
goto fail5;
}
- SSI_UPDATE_DMA_ADDR_TO_48BIT(state->opad_digest_dma_addr,
- ctx->inter_digestsize);
SSI_LOG_DEBUG("Mapped opad digest %d B at va=%pK to dma=0x%llX\n",
ctx->inter_digestsize, state->opad_digest_buff,
(unsigned long long)state->opad_digest_dma_addr);
@@ -304,13 +287,11 @@ static int ssi_hash_map_request(struct device *dev,
fail5:
if (state->digest_bytes_len_dma_addr != 0) {
- SSI_RESTORE_DMA_ADDR_TO_48BIT(state->digest_bytes_len_dma_addr);
dma_unmap_single(dev, state->digest_bytes_len_dma_addr, HASH_LEN_SIZE, DMA_BIDIRECTIONAL);
state->digest_bytes_len_dma_addr = 0;
}
fail4:
if (state->digest_buff_dma_addr != 0) {
- SSI_RESTORE_DMA_ADDR_TO_48BIT(state->digest_buff_dma_addr);
dma_unmap_single(dev, state->digest_buff_dma_addr, ctx->inter_digestsize, DMA_BIDIRECTIONAL);
state->digest_buff_dma_addr = 0;
}
@@ -344,7 +325,6 @@ static void ssi_hash_unmap_request(struct device *dev,
struct ssi_hash_ctx *ctx)
{
if (state->digest_buff_dma_addr != 0) {
- SSI_RESTORE_DMA_ADDR_TO_48BIT(state->digest_buff_dma_addr);
dma_unmap_single(dev, state->digest_buff_dma_addr,
ctx->inter_digestsize, DMA_BIDIRECTIONAL);
SSI_LOG_DEBUG("Unmapped digest-buffer: digest_buff_dma_addr=0x%llX\n",
@@ -352,7 +332,6 @@ static void ssi_hash_unmap_request(struct device *dev,
state->digest_buff_dma_addr = 0;
}
if (state->digest_bytes_len_dma_addr != 0) {
- SSI_RESTORE_DMA_ADDR_TO_48BIT(state->digest_bytes_len_dma_addr);
dma_unmap_single(dev, state->digest_bytes_len_dma_addr,
HASH_LEN_SIZE, DMA_BIDIRECTIONAL);
SSI_LOG_DEBUG("Unmapped digest-bytes-len buffer: digest_bytes_len_dma_addr=0x%llX\n",
@@ -360,7 +339,6 @@ static void ssi_hash_unmap_request(struct device *dev,
state->digest_bytes_len_dma_addr = 0;
}
if (state->opad_digest_dma_addr != 0) {
- SSI_RESTORE_DMA_ADDR_TO_48BIT(state->opad_digest_dma_addr);
dma_unmap_single(dev, state->opad_digest_dma_addr,
ctx->inter_digestsize, DMA_BIDIRECTIONAL);
SSI_LOG_DEBUG("Unmapped opad-digest: opad_digest_dma_addr=0x%llX\n",
@@ -381,7 +359,6 @@ static void ssi_hash_unmap_result(struct device *dev,
unsigned int digestsize, u8 *result)
{
if (state->digest_result_dma_addr != 0) {
- SSI_RESTORE_DMA_ADDR_TO_48BIT(state->digest_result_dma_addr);
dma_unmap_single(dev,
state->digest_result_dma_addr,
digestsize,
@@ -1078,7 +1055,6 @@ static int ssi_hash_setkey(void *hash,
" DMA failed\n", key, keylen);
return -ENOMEM;
}
- SSI_UPDATE_DMA_ADDR_TO_48BIT(ctx->key_params.key_dma_addr, keylen);
SSI_LOG_DEBUG("mapping key-buffer: key_dma_addr=0x%llX "
"keylen=%u\n",
(unsigned long long)ctx->key_params.key_dma_addr,
@@ -1226,7 +1202,6 @@ static int ssi_hash_setkey(void *hash,
}
if (ctx->key_params.key_dma_addr) {
- SSI_RESTORE_DMA_ADDR_TO_48BIT(ctx->key_params.key_dma_addr);
dma_unmap_single(&ctx->drvdata->plat_dev->dev,
ctx->key_params.key_dma_addr,
ctx->key_params.keylen, DMA_TO_DEVICE);
@@ -1270,7 +1245,6 @@ static int ssi_xcbc_setkey(struct crypto_ahash *ahash,
" DMA failed\n", key, keylen);
return -ENOMEM;
}
- SSI_UPDATE_DMA_ADDR_TO_48BIT(ctx->key_params.key_dma_addr, keylen);
SSI_LOG_DEBUG("mapping key-buffer: key_dma_addr=0x%llX "
"keylen=%u\n",
(unsigned long long)ctx->key_params.key_dma_addr,
@@ -1317,7 +1291,6 @@ static int ssi_xcbc_setkey(struct crypto_ahash *ahash,
if (rc != 0)
crypto_ahash_set_flags(ahash, CRYPTO_TFM_RES_BAD_KEY_LEN);
- SSI_RESTORE_DMA_ADDR_TO_48BIT(ctx->key_params.key_dma_addr);
dma_unmap_single(&ctx->drvdata->plat_dev->dev,
ctx->key_params.key_dma_addr,
ctx->key_params.keylen, DMA_TO_DEVICE);
@@ -1352,7 +1325,6 @@ static int ssi_cmac_setkey(struct crypto_ahash *ahash,
/* STAT_PHASE_1: Copy key to ctx */
START_CYCLE_COUNT();
- SSI_RESTORE_DMA_ADDR_TO_48BIT(ctx->opad_tmp_keys_dma_addr);
dma_sync_single_for_cpu(&ctx->drvdata->plat_dev->dev,
ctx->opad_tmp_keys_dma_addr,
keylen, DMA_TO_DEVICE);
@@ -1364,7 +1336,6 @@ static int ssi_cmac_setkey(struct crypto_ahash *ahash,
dma_sync_single_for_device(&ctx->drvdata->plat_dev->dev,
ctx->opad_tmp_keys_dma_addr,
keylen, DMA_TO_DEVICE);
- SSI_UPDATE_DMA_ADDR_TO_48BIT(ctx->opad_tmp_keys_dma_addr, keylen);
ctx->key_params.keylen = keylen;
@@ -1379,7 +1350,6 @@ static void ssi_hash_free_ctx(struct ssi_hash_ctx *ctx)
struct device *dev = &ctx->drvdata->plat_dev->dev;
if (ctx->digest_buff_dma_addr != 0) {
- SSI_RESTORE_DMA_ADDR_TO_48BIT(ctx->digest_buff_dma_addr);
dma_unmap_single(dev, ctx->digest_buff_dma_addr,
sizeof(ctx->digest_buff), DMA_BIDIRECTIONAL);
SSI_LOG_DEBUG("Unmapped digest-buffer: "
@@ -1388,7 +1358,6 @@ static void ssi_hash_free_ctx(struct ssi_hash_ctx *ctx)
ctx->digest_buff_dma_addr = 0;
}
if (ctx->opad_tmp_keys_dma_addr != 0) {
- SSI_RESTORE_DMA_ADDR_TO_48BIT(ctx->opad_tmp_keys_dma_addr);
dma_unmap_single(dev, ctx->opad_tmp_keys_dma_addr,
sizeof(ctx->opad_tmp_keys_buff),
DMA_BIDIRECTIONAL);
@@ -1415,8 +1384,6 @@ static int ssi_hash_alloc_ctx(struct ssi_hash_ctx *ctx)
sizeof(ctx->digest_buff), ctx->digest_buff);
goto fail;
}
- SSI_UPDATE_DMA_ADDR_TO_48BIT(ctx->digest_buff_dma_addr,
- sizeof(ctx->digest_buff));
SSI_LOG_DEBUG("Mapped digest %zu B at va=%pK to dma=0x%llX\n",
sizeof(ctx->digest_buff), ctx->digest_buff,
(unsigned long long)ctx->digest_buff_dma_addr);
@@ -1428,8 +1395,6 @@ static int ssi_hash_alloc_ctx(struct ssi_hash_ctx *ctx)
ctx->opad_tmp_keys_buff);
goto fail;
}
- SSI_UPDATE_DMA_ADDR_TO_48BIT(ctx->opad_tmp_keys_dma_addr,
- sizeof(ctx->opad_tmp_keys_buff));
SSI_LOG_DEBUG("Mapped opad_tmp_keys %zu B at va=%pK to dma=0x%llX\n",
sizeof(ctx->opad_tmp_keys_buff), ctx->opad_tmp_keys_buff,
(unsigned long long)ctx->opad_tmp_keys_dma_addr);
diff --git a/drivers/staging/ccree/ssi_ivgen.c b/drivers/staging/ccree/ssi_ivgen.c
index d58ee7d..cae8776 100644
--- a/drivers/staging/ccree/ssi_ivgen.c
+++ b/drivers/staging/ccree/ssi_ivgen.c
@@ -164,7 +164,6 @@ void ssi_ivgen_fini(struct ssi_drvdata *drvdata)
if (ivgen_ctx->pool_meta != NULL) {
memset(ivgen_ctx->pool_meta, 0, SSI_IVPOOL_META_SIZE);
- SSI_RESTORE_DMA_ADDR_TO_48BIT(ivgen_ctx->pool_meta_dma);
dma_free_coherent(device, SSI_IVPOOL_META_SIZE,
ivgen_ctx->pool_meta, ivgen_ctx->pool_meta_dma);
}
@@ -208,8 +207,6 @@ int ssi_ivgen_init(struct ssi_drvdata *drvdata)
rc = -ENOMEM;
goto out;
}
- SSI_UPDATE_DMA_ADDR_TO_48BIT(ivgen_ctx->pool_meta_dma,
- SSI_IVPOOL_META_SIZE);
/* Allocate IV pool in SRAM */
ivgen_ctx->pool = ssi_sram_mgr_alloc(drvdata, SSI_IVPOOL_SIZE);
if (ivgen_ctx->pool == NULL_SRAM_ADDR) {
diff --git a/drivers/staging/ccree/ssi_request_mgr.c b/drivers/staging/ccree/ssi_request_mgr.c
index ea2ff72..6fc7b06 100644
--- a/drivers/staging/ccree/ssi_request_mgr.c
+++ b/drivers/staging/ccree/ssi_request_mgr.c
@@ -145,7 +145,6 @@ void request_mgr_fini(struct ssi_drvdata *drvdata)
return; /* Not allocated */
if (req_mgr_h->dummy_comp_buff_dma != 0) {
- SSI_RESTORE_DMA_ADDR_TO_48BIT(req_mgr_h->dummy_comp_buff_dma);
dma_free_coherent(&drvdata->plat_dev->dev,
sizeof(u32), req_mgr_h->dummy_comp_buff,
req_mgr_h->dummy_comp_buff_dma);
@@ -220,8 +219,6 @@ int request_mgr_init(struct ssi_drvdata *drvdata)
rc = -ENOMEM;
goto req_mgr_init_err;
}
- SSI_UPDATE_DMA_ADDR_TO_48BIT(req_mgr_h->dummy_comp_buff_dma,
- sizeof(u32));
/* Init. "dummy" completion descriptor */
hw_desc_init(&req_mgr_h->compl_desc);
--
2.1.4
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