forked from Qortal/Brooklyn
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
5517 lines
149 KiB
5517 lines
149 KiB
// SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause) |
|
/* |
|
* Copyright 2015-2016 Freescale Semiconductor Inc. |
|
* Copyright 2017-2019 NXP |
|
*/ |
|
|
|
#include "compat.h" |
|
#include "regs.h" |
|
#include "caamalg_qi2.h" |
|
#include "dpseci_cmd.h" |
|
#include "desc_constr.h" |
|
#include "error.h" |
|
#include "sg_sw_sec4.h" |
|
#include "sg_sw_qm2.h" |
|
#include "key_gen.h" |
|
#include "caamalg_desc.h" |
|
#include "caamhash_desc.h" |
|
#include "dpseci-debugfs.h" |
|
#include <linux/fsl/mc.h> |
|
#include <soc/fsl/dpaa2-io.h> |
|
#include <soc/fsl/dpaa2-fd.h> |
|
#include <crypto/xts.h> |
|
#include <asm/unaligned.h> |
|
|
|
#define CAAM_CRA_PRIORITY 2000 |
|
|
|
/* max key is sum of AES_MAX_KEY_SIZE, max split key size */ |
|
#define CAAM_MAX_KEY_SIZE (AES_MAX_KEY_SIZE + CTR_RFC3686_NONCE_SIZE + \ |
|
SHA512_DIGEST_SIZE * 2) |
|
|
|
/* |
|
* This is a a cache of buffers, from which the users of CAAM QI driver |
|
* can allocate short buffers. It's speedier than doing kmalloc on the hotpath. |
|
* NOTE: A more elegant solution would be to have some headroom in the frames |
|
* being processed. This can be added by the dpaa2-eth driver. This would |
|
* pose a problem for userspace application processing which cannot |
|
* know of this limitation. So for now, this will work. |
|
* NOTE: The memcache is SMP-safe. No need to handle spinlocks in-here |
|
*/ |
|
static struct kmem_cache *qi_cache; |
|
|
|
struct caam_alg_entry { |
|
struct device *dev; |
|
int class1_alg_type; |
|
int class2_alg_type; |
|
bool rfc3686; |
|
bool geniv; |
|
bool nodkp; |
|
}; |
|
|
|
struct caam_aead_alg { |
|
struct aead_alg aead; |
|
struct caam_alg_entry caam; |
|
bool registered; |
|
}; |
|
|
|
struct caam_skcipher_alg { |
|
struct skcipher_alg skcipher; |
|
struct caam_alg_entry caam; |
|
bool registered; |
|
}; |
|
|
|
/** |
|
* struct caam_ctx - per-session context |
|
* @flc: Flow Contexts array |
|
* @key: [authentication key], encryption key |
|
* @flc_dma: I/O virtual addresses of the Flow Contexts |
|
* @key_dma: I/O virtual address of the key |
|
* @dir: DMA direction for mapping key and Flow Contexts |
|
* @dev: dpseci device |
|
* @adata: authentication algorithm details |
|
* @cdata: encryption algorithm details |
|
* @authsize: authentication tag (a.k.a. ICV / MAC) size |
|
*/ |
|
struct caam_ctx { |
|
struct caam_flc flc[NUM_OP]; |
|
u8 key[CAAM_MAX_KEY_SIZE]; |
|
dma_addr_t flc_dma[NUM_OP]; |
|
dma_addr_t key_dma; |
|
enum dma_data_direction dir; |
|
struct device *dev; |
|
struct alginfo adata; |
|
struct alginfo cdata; |
|
unsigned int authsize; |
|
bool xts_key_fallback; |
|
struct crypto_skcipher *fallback; |
|
}; |
|
|
|
static void *dpaa2_caam_iova_to_virt(struct dpaa2_caam_priv *priv, |
|
dma_addr_t iova_addr) |
|
{ |
|
phys_addr_t phys_addr; |
|
|
|
phys_addr = priv->domain ? iommu_iova_to_phys(priv->domain, iova_addr) : |
|
iova_addr; |
|
|
|
return phys_to_virt(phys_addr); |
|
} |
|
|
|
/* |
|
* qi_cache_zalloc - Allocate buffers from CAAM-QI cache |
|
* |
|
* Allocate data on the hotpath. Instead of using kzalloc, one can use the |
|
* services of the CAAM QI memory cache (backed by kmem_cache). The buffers |
|
* will have a size of CAAM_QI_MEMCACHE_SIZE, which should be sufficient for |
|
* hosting 16 SG entries. |
|
* |
|
* @flags - flags that would be used for the equivalent kmalloc(..) call |
|
* |
|
* Returns a pointer to a retrieved buffer on success or NULL on failure. |
|
*/ |
|
static inline void *qi_cache_zalloc(gfp_t flags) |
|
{ |
|
return kmem_cache_zalloc(qi_cache, flags); |
|
} |
|
|
|
/* |
|
* qi_cache_free - Frees buffers allocated from CAAM-QI cache |
|
* |
|
* @obj - buffer previously allocated by qi_cache_zalloc |
|
* |
|
* No checking is being done, the call is a passthrough call to |
|
* kmem_cache_free(...) |
|
*/ |
|
static inline void qi_cache_free(void *obj) |
|
{ |
|
kmem_cache_free(qi_cache, obj); |
|
} |
|
|
|
static struct caam_request *to_caam_req(struct crypto_async_request *areq) |
|
{ |
|
switch (crypto_tfm_alg_type(areq->tfm)) { |
|
case CRYPTO_ALG_TYPE_SKCIPHER: |
|
return skcipher_request_ctx(skcipher_request_cast(areq)); |
|
case CRYPTO_ALG_TYPE_AEAD: |
|
return aead_request_ctx(container_of(areq, struct aead_request, |
|
base)); |
|
case CRYPTO_ALG_TYPE_AHASH: |
|
return ahash_request_ctx(ahash_request_cast(areq)); |
|
default: |
|
return ERR_PTR(-EINVAL); |
|
} |
|
} |
|
|
|
static void caam_unmap(struct device *dev, struct scatterlist *src, |
|
struct scatterlist *dst, int src_nents, |
|
int dst_nents, dma_addr_t iv_dma, int ivsize, |
|
enum dma_data_direction iv_dir, dma_addr_t qm_sg_dma, |
|
int qm_sg_bytes) |
|
{ |
|
if (dst != src) { |
|
if (src_nents) |
|
dma_unmap_sg(dev, src, src_nents, DMA_TO_DEVICE); |
|
if (dst_nents) |
|
dma_unmap_sg(dev, dst, dst_nents, DMA_FROM_DEVICE); |
|
} else { |
|
dma_unmap_sg(dev, src, src_nents, DMA_BIDIRECTIONAL); |
|
} |
|
|
|
if (iv_dma) |
|
dma_unmap_single(dev, iv_dma, ivsize, iv_dir); |
|
|
|
if (qm_sg_bytes) |
|
dma_unmap_single(dev, qm_sg_dma, qm_sg_bytes, DMA_TO_DEVICE); |
|
} |
|
|
|
static int aead_set_sh_desc(struct crypto_aead *aead) |
|
{ |
|
struct caam_aead_alg *alg = container_of(crypto_aead_alg(aead), |
|
typeof(*alg), aead); |
|
struct caam_ctx *ctx = crypto_aead_ctx(aead); |
|
unsigned int ivsize = crypto_aead_ivsize(aead); |
|
struct device *dev = ctx->dev; |
|
struct dpaa2_caam_priv *priv = dev_get_drvdata(dev); |
|
struct caam_flc *flc; |
|
u32 *desc; |
|
u32 ctx1_iv_off = 0; |
|
u32 *nonce = NULL; |
|
unsigned int data_len[2]; |
|
u32 inl_mask; |
|
const bool ctr_mode = ((ctx->cdata.algtype & OP_ALG_AAI_MASK) == |
|
OP_ALG_AAI_CTR_MOD128); |
|
const bool is_rfc3686 = alg->caam.rfc3686; |
|
|
|
if (!ctx->cdata.keylen || !ctx->authsize) |
|
return 0; |
|
|
|
/* |
|
* AES-CTR needs to load IV in CONTEXT1 reg |
|
* at an offset of 128bits (16bytes) |
|
* CONTEXT1[255:128] = IV |
|
*/ |
|
if (ctr_mode) |
|
ctx1_iv_off = 16; |
|
|
|
/* |
|
* RFC3686 specific: |
|
* CONTEXT1[255:128] = {NONCE, IV, COUNTER} |
|
*/ |
|
if (is_rfc3686) { |
|
ctx1_iv_off = 16 + CTR_RFC3686_NONCE_SIZE; |
|
nonce = (u32 *)((void *)ctx->key + ctx->adata.keylen_pad + |
|
ctx->cdata.keylen - CTR_RFC3686_NONCE_SIZE); |
|
} |
|
|
|
/* |
|
* In case |user key| > |derived key|, using DKP<imm,imm> would result |
|
* in invalid opcodes (last bytes of user key) in the resulting |
|
* descriptor. Use DKP<ptr,imm> instead => both virtual and dma key |
|
* addresses are needed. |
|
*/ |
|
ctx->adata.key_virt = ctx->key; |
|
ctx->adata.key_dma = ctx->key_dma; |
|
|
|
ctx->cdata.key_virt = ctx->key + ctx->adata.keylen_pad; |
|
ctx->cdata.key_dma = ctx->key_dma + ctx->adata.keylen_pad; |
|
|
|
data_len[0] = ctx->adata.keylen_pad; |
|
data_len[1] = ctx->cdata.keylen; |
|
|
|
/* aead_encrypt shared descriptor */ |
|
if (desc_inline_query((alg->caam.geniv ? DESC_QI_AEAD_GIVENC_LEN : |
|
DESC_QI_AEAD_ENC_LEN) + |
|
(is_rfc3686 ? DESC_AEAD_CTR_RFC3686_LEN : 0), |
|
DESC_JOB_IO_LEN, data_len, &inl_mask, |
|
ARRAY_SIZE(data_len)) < 0) |
|
return -EINVAL; |
|
|
|
ctx->adata.key_inline = !!(inl_mask & 1); |
|
ctx->cdata.key_inline = !!(inl_mask & 2); |
|
|
|
flc = &ctx->flc[ENCRYPT]; |
|
desc = flc->sh_desc; |
|
|
|
if (alg->caam.geniv) |
|
cnstr_shdsc_aead_givencap(desc, &ctx->cdata, &ctx->adata, |
|
ivsize, ctx->authsize, is_rfc3686, |
|
nonce, ctx1_iv_off, true, |
|
priv->sec_attr.era); |
|
else |
|
cnstr_shdsc_aead_encap(desc, &ctx->cdata, &ctx->adata, |
|
ivsize, ctx->authsize, is_rfc3686, nonce, |
|
ctx1_iv_off, true, priv->sec_attr.era); |
|
|
|
flc->flc[1] = cpu_to_caam32(desc_len(desc)); /* SDL */ |
|
dma_sync_single_for_device(dev, ctx->flc_dma[ENCRYPT], |
|
sizeof(flc->flc) + desc_bytes(desc), |
|
ctx->dir); |
|
|
|
/* aead_decrypt shared descriptor */ |
|
if (desc_inline_query(DESC_QI_AEAD_DEC_LEN + |
|
(is_rfc3686 ? DESC_AEAD_CTR_RFC3686_LEN : 0), |
|
DESC_JOB_IO_LEN, data_len, &inl_mask, |
|
ARRAY_SIZE(data_len)) < 0) |
|
return -EINVAL; |
|
|
|
ctx->adata.key_inline = !!(inl_mask & 1); |
|
ctx->cdata.key_inline = !!(inl_mask & 2); |
|
|
|
flc = &ctx->flc[DECRYPT]; |
|
desc = flc->sh_desc; |
|
cnstr_shdsc_aead_decap(desc, &ctx->cdata, &ctx->adata, |
|
ivsize, ctx->authsize, alg->caam.geniv, |
|
is_rfc3686, nonce, ctx1_iv_off, true, |
|
priv->sec_attr.era); |
|
flc->flc[1] = cpu_to_caam32(desc_len(desc)); /* SDL */ |
|
dma_sync_single_for_device(dev, ctx->flc_dma[DECRYPT], |
|
sizeof(flc->flc) + desc_bytes(desc), |
|
ctx->dir); |
|
|
|
return 0; |
|
} |
|
|
|
static int aead_setauthsize(struct crypto_aead *authenc, unsigned int authsize) |
|
{ |
|
struct caam_ctx *ctx = crypto_aead_ctx(authenc); |
|
|
|
ctx->authsize = authsize; |
|
aead_set_sh_desc(authenc); |
|
|
|
return 0; |
|
} |
|
|
|
static int aead_setkey(struct crypto_aead *aead, const u8 *key, |
|
unsigned int keylen) |
|
{ |
|
struct caam_ctx *ctx = crypto_aead_ctx(aead); |
|
struct device *dev = ctx->dev; |
|
struct crypto_authenc_keys keys; |
|
|
|
if (crypto_authenc_extractkeys(&keys, key, keylen) != 0) |
|
goto badkey; |
|
|
|
dev_dbg(dev, "keylen %d enckeylen %d authkeylen %d\n", |
|
keys.authkeylen + keys.enckeylen, keys.enckeylen, |
|
keys.authkeylen); |
|
print_hex_dump_debug("key in @" __stringify(__LINE__)": ", |
|
DUMP_PREFIX_ADDRESS, 16, 4, key, keylen, 1); |
|
|
|
ctx->adata.keylen = keys.authkeylen; |
|
ctx->adata.keylen_pad = split_key_len(ctx->adata.algtype & |
|
OP_ALG_ALGSEL_MASK); |
|
|
|
if (ctx->adata.keylen_pad + keys.enckeylen > CAAM_MAX_KEY_SIZE) |
|
goto badkey; |
|
|
|
memcpy(ctx->key, keys.authkey, keys.authkeylen); |
|
memcpy(ctx->key + ctx->adata.keylen_pad, keys.enckey, keys.enckeylen); |
|
dma_sync_single_for_device(dev, ctx->key_dma, ctx->adata.keylen_pad + |
|
keys.enckeylen, ctx->dir); |
|
print_hex_dump_debug("ctx.key@" __stringify(__LINE__)": ", |
|
DUMP_PREFIX_ADDRESS, 16, 4, ctx->key, |
|
ctx->adata.keylen_pad + keys.enckeylen, 1); |
|
|
|
ctx->cdata.keylen = keys.enckeylen; |
|
|
|
memzero_explicit(&keys, sizeof(keys)); |
|
return aead_set_sh_desc(aead); |
|
badkey: |
|
memzero_explicit(&keys, sizeof(keys)); |
|
return -EINVAL; |
|
} |
|
|
|
static int des3_aead_setkey(struct crypto_aead *aead, const u8 *key, |
|
unsigned int keylen) |
|
{ |
|
struct crypto_authenc_keys keys; |
|
int err; |
|
|
|
err = crypto_authenc_extractkeys(&keys, key, keylen); |
|
if (unlikely(err)) |
|
goto out; |
|
|
|
err = -EINVAL; |
|
if (keys.enckeylen != DES3_EDE_KEY_SIZE) |
|
goto out; |
|
|
|
err = crypto_des3_ede_verify_key(crypto_aead_tfm(aead), keys.enckey) ?: |
|
aead_setkey(aead, key, keylen); |
|
|
|
out: |
|
memzero_explicit(&keys, sizeof(keys)); |
|
return err; |
|
} |
|
|
|
static struct aead_edesc *aead_edesc_alloc(struct aead_request *req, |
|
bool encrypt) |
|
{ |
|
struct crypto_aead *aead = crypto_aead_reqtfm(req); |
|
struct caam_request *req_ctx = aead_request_ctx(req); |
|
struct dpaa2_fl_entry *in_fle = &req_ctx->fd_flt[1]; |
|
struct dpaa2_fl_entry *out_fle = &req_ctx->fd_flt[0]; |
|
struct caam_ctx *ctx = crypto_aead_ctx(aead); |
|
struct caam_aead_alg *alg = container_of(crypto_aead_alg(aead), |
|
typeof(*alg), aead); |
|
struct device *dev = ctx->dev; |
|
gfp_t flags = (req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP) ? |
|
GFP_KERNEL : GFP_ATOMIC; |
|
int src_nents, mapped_src_nents, dst_nents = 0, mapped_dst_nents = 0; |
|
int src_len, dst_len = 0; |
|
struct aead_edesc *edesc; |
|
dma_addr_t qm_sg_dma, iv_dma = 0; |
|
int ivsize = 0; |
|
unsigned int authsize = ctx->authsize; |
|
int qm_sg_index = 0, qm_sg_nents = 0, qm_sg_bytes; |
|
int in_len, out_len; |
|
struct dpaa2_sg_entry *sg_table; |
|
|
|
/* allocate space for base edesc, link tables and IV */ |
|
edesc = qi_cache_zalloc(GFP_DMA | flags); |
|
if (unlikely(!edesc)) { |
|
dev_err(dev, "could not allocate extended descriptor\n"); |
|
return ERR_PTR(-ENOMEM); |
|
} |
|
|
|
if (unlikely(req->dst != req->src)) { |
|
src_len = req->assoclen + req->cryptlen; |
|
dst_len = src_len + (encrypt ? authsize : (-authsize)); |
|
|
|
src_nents = sg_nents_for_len(req->src, src_len); |
|
if (unlikely(src_nents < 0)) { |
|
dev_err(dev, "Insufficient bytes (%d) in src S/G\n", |
|
src_len); |
|
qi_cache_free(edesc); |
|
return ERR_PTR(src_nents); |
|
} |
|
|
|
dst_nents = sg_nents_for_len(req->dst, dst_len); |
|
if (unlikely(dst_nents < 0)) { |
|
dev_err(dev, "Insufficient bytes (%d) in dst S/G\n", |
|
dst_len); |
|
qi_cache_free(edesc); |
|
return ERR_PTR(dst_nents); |
|
} |
|
|
|
if (src_nents) { |
|
mapped_src_nents = dma_map_sg(dev, req->src, src_nents, |
|
DMA_TO_DEVICE); |
|
if (unlikely(!mapped_src_nents)) { |
|
dev_err(dev, "unable to map source\n"); |
|
qi_cache_free(edesc); |
|
return ERR_PTR(-ENOMEM); |
|
} |
|
} else { |
|
mapped_src_nents = 0; |
|
} |
|
|
|
if (dst_nents) { |
|
mapped_dst_nents = dma_map_sg(dev, req->dst, dst_nents, |
|
DMA_FROM_DEVICE); |
|
if (unlikely(!mapped_dst_nents)) { |
|
dev_err(dev, "unable to map destination\n"); |
|
dma_unmap_sg(dev, req->src, src_nents, |
|
DMA_TO_DEVICE); |
|
qi_cache_free(edesc); |
|
return ERR_PTR(-ENOMEM); |
|
} |
|
} else { |
|
mapped_dst_nents = 0; |
|
} |
|
} else { |
|
src_len = req->assoclen + req->cryptlen + |
|
(encrypt ? authsize : 0); |
|
|
|
src_nents = sg_nents_for_len(req->src, src_len); |
|
if (unlikely(src_nents < 0)) { |
|
dev_err(dev, "Insufficient bytes (%d) in src S/G\n", |
|
src_len); |
|
qi_cache_free(edesc); |
|
return ERR_PTR(src_nents); |
|
} |
|
|
|
mapped_src_nents = dma_map_sg(dev, req->src, src_nents, |
|
DMA_BIDIRECTIONAL); |
|
if (unlikely(!mapped_src_nents)) { |
|
dev_err(dev, "unable to map source\n"); |
|
qi_cache_free(edesc); |
|
return ERR_PTR(-ENOMEM); |
|
} |
|
} |
|
|
|
if ((alg->caam.rfc3686 && encrypt) || !alg->caam.geniv) |
|
ivsize = crypto_aead_ivsize(aead); |
|
|
|
/* |
|
* Create S/G table: req->assoclen, [IV,] req->src [, req->dst]. |
|
* Input is not contiguous. |
|
* HW reads 4 S/G entries at a time; make sure the reads don't go beyond |
|
* the end of the table by allocating more S/G entries. Logic: |
|
* if (src != dst && output S/G) |
|
* pad output S/G, if needed |
|
* else if (src == dst && S/G) |
|
* overlapping S/Gs; pad one of them |
|
* else if (input S/G) ... |
|
* pad input S/G, if needed |
|
*/ |
|
qm_sg_nents = 1 + !!ivsize + mapped_src_nents; |
|
if (mapped_dst_nents > 1) |
|
qm_sg_nents += pad_sg_nents(mapped_dst_nents); |
|
else if ((req->src == req->dst) && (mapped_src_nents > 1)) |
|
qm_sg_nents = max(pad_sg_nents(qm_sg_nents), |
|
1 + !!ivsize + |
|
pad_sg_nents(mapped_src_nents)); |
|
else |
|
qm_sg_nents = pad_sg_nents(qm_sg_nents); |
|
|
|
sg_table = &edesc->sgt[0]; |
|
qm_sg_bytes = qm_sg_nents * sizeof(*sg_table); |
|
if (unlikely(offsetof(struct aead_edesc, sgt) + qm_sg_bytes + ivsize > |
|
CAAM_QI_MEMCACHE_SIZE)) { |
|
dev_err(dev, "No space for %d S/G entries and/or %dB IV\n", |
|
qm_sg_nents, ivsize); |
|
caam_unmap(dev, req->src, req->dst, src_nents, dst_nents, 0, |
|
0, DMA_NONE, 0, 0); |
|
qi_cache_free(edesc); |
|
return ERR_PTR(-ENOMEM); |
|
} |
|
|
|
if (ivsize) { |
|
u8 *iv = (u8 *)(sg_table + qm_sg_nents); |
|
|
|
/* Make sure IV is located in a DMAable area */ |
|
memcpy(iv, req->iv, ivsize); |
|
|
|
iv_dma = dma_map_single(dev, iv, ivsize, DMA_TO_DEVICE); |
|
if (dma_mapping_error(dev, iv_dma)) { |
|
dev_err(dev, "unable to map IV\n"); |
|
caam_unmap(dev, req->src, req->dst, src_nents, |
|
dst_nents, 0, 0, DMA_NONE, 0, 0); |
|
qi_cache_free(edesc); |
|
return ERR_PTR(-ENOMEM); |
|
} |
|
} |
|
|
|
edesc->src_nents = src_nents; |
|
edesc->dst_nents = dst_nents; |
|
edesc->iv_dma = iv_dma; |
|
|
|
if ((alg->caam.class1_alg_type & OP_ALG_ALGSEL_MASK) == |
|
OP_ALG_ALGSEL_CHACHA20 && ivsize != CHACHAPOLY_IV_SIZE) |
|
/* |
|
* The associated data comes already with the IV but we need |
|
* to skip it when we authenticate or encrypt... |
|
*/ |
|
edesc->assoclen = cpu_to_caam32(req->assoclen - ivsize); |
|
else |
|
edesc->assoclen = cpu_to_caam32(req->assoclen); |
|
edesc->assoclen_dma = dma_map_single(dev, &edesc->assoclen, 4, |
|
DMA_TO_DEVICE); |
|
if (dma_mapping_error(dev, edesc->assoclen_dma)) { |
|
dev_err(dev, "unable to map assoclen\n"); |
|
caam_unmap(dev, req->src, req->dst, src_nents, dst_nents, |
|
iv_dma, ivsize, DMA_TO_DEVICE, 0, 0); |
|
qi_cache_free(edesc); |
|
return ERR_PTR(-ENOMEM); |
|
} |
|
|
|
dma_to_qm_sg_one(sg_table, edesc->assoclen_dma, 4, 0); |
|
qm_sg_index++; |
|
if (ivsize) { |
|
dma_to_qm_sg_one(sg_table + qm_sg_index, iv_dma, ivsize, 0); |
|
qm_sg_index++; |
|
} |
|
sg_to_qm_sg_last(req->src, src_len, sg_table + qm_sg_index, 0); |
|
qm_sg_index += mapped_src_nents; |
|
|
|
if (mapped_dst_nents > 1) |
|
sg_to_qm_sg_last(req->dst, dst_len, sg_table + qm_sg_index, 0); |
|
|
|
qm_sg_dma = dma_map_single(dev, sg_table, qm_sg_bytes, DMA_TO_DEVICE); |
|
if (dma_mapping_error(dev, qm_sg_dma)) { |
|
dev_err(dev, "unable to map S/G table\n"); |
|
dma_unmap_single(dev, edesc->assoclen_dma, 4, DMA_TO_DEVICE); |
|
caam_unmap(dev, req->src, req->dst, src_nents, dst_nents, |
|
iv_dma, ivsize, DMA_TO_DEVICE, 0, 0); |
|
qi_cache_free(edesc); |
|
return ERR_PTR(-ENOMEM); |
|
} |
|
|
|
edesc->qm_sg_dma = qm_sg_dma; |
|
edesc->qm_sg_bytes = qm_sg_bytes; |
|
|
|
out_len = req->assoclen + req->cryptlen + |
|
(encrypt ? ctx->authsize : (-ctx->authsize)); |
|
in_len = 4 + ivsize + req->assoclen + req->cryptlen; |
|
|
|
memset(&req_ctx->fd_flt, 0, sizeof(req_ctx->fd_flt)); |
|
dpaa2_fl_set_final(in_fle, true); |
|
dpaa2_fl_set_format(in_fle, dpaa2_fl_sg); |
|
dpaa2_fl_set_addr(in_fle, qm_sg_dma); |
|
dpaa2_fl_set_len(in_fle, in_len); |
|
|
|
if (req->dst == req->src) { |
|
if (mapped_src_nents == 1) { |
|
dpaa2_fl_set_format(out_fle, dpaa2_fl_single); |
|
dpaa2_fl_set_addr(out_fle, sg_dma_address(req->src)); |
|
} else { |
|
dpaa2_fl_set_format(out_fle, dpaa2_fl_sg); |
|
dpaa2_fl_set_addr(out_fle, qm_sg_dma + |
|
(1 + !!ivsize) * sizeof(*sg_table)); |
|
} |
|
} else if (!mapped_dst_nents) { |
|
/* |
|
* crypto engine requires the output entry to be present when |
|
* "frame list" FD is used. |
|
* Since engine does not support FMT=2'b11 (unused entry type), |
|
* leaving out_fle zeroized is the best option. |
|
*/ |
|
goto skip_out_fle; |
|
} else if (mapped_dst_nents == 1) { |
|
dpaa2_fl_set_format(out_fle, dpaa2_fl_single); |
|
dpaa2_fl_set_addr(out_fle, sg_dma_address(req->dst)); |
|
} else { |
|
dpaa2_fl_set_format(out_fle, dpaa2_fl_sg); |
|
dpaa2_fl_set_addr(out_fle, qm_sg_dma + qm_sg_index * |
|
sizeof(*sg_table)); |
|
} |
|
|
|
dpaa2_fl_set_len(out_fle, out_len); |
|
|
|
skip_out_fle: |
|
return edesc; |
|
} |
|
|
|
static int chachapoly_set_sh_desc(struct crypto_aead *aead) |
|
{ |
|
struct caam_ctx *ctx = crypto_aead_ctx(aead); |
|
unsigned int ivsize = crypto_aead_ivsize(aead); |
|
struct device *dev = ctx->dev; |
|
struct caam_flc *flc; |
|
u32 *desc; |
|
|
|
if (!ctx->cdata.keylen || !ctx->authsize) |
|
return 0; |
|
|
|
flc = &ctx->flc[ENCRYPT]; |
|
desc = flc->sh_desc; |
|
cnstr_shdsc_chachapoly(desc, &ctx->cdata, &ctx->adata, ivsize, |
|
ctx->authsize, true, true); |
|
flc->flc[1] = cpu_to_caam32(desc_len(desc)); /* SDL */ |
|
dma_sync_single_for_device(dev, ctx->flc_dma[ENCRYPT], |
|
sizeof(flc->flc) + desc_bytes(desc), |
|
ctx->dir); |
|
|
|
flc = &ctx->flc[DECRYPT]; |
|
desc = flc->sh_desc; |
|
cnstr_shdsc_chachapoly(desc, &ctx->cdata, &ctx->adata, ivsize, |
|
ctx->authsize, false, true); |
|
flc->flc[1] = cpu_to_caam32(desc_len(desc)); /* SDL */ |
|
dma_sync_single_for_device(dev, ctx->flc_dma[DECRYPT], |
|
sizeof(flc->flc) + desc_bytes(desc), |
|
ctx->dir); |
|
|
|
return 0; |
|
} |
|
|
|
static int chachapoly_setauthsize(struct crypto_aead *aead, |
|
unsigned int authsize) |
|
{ |
|
struct caam_ctx *ctx = crypto_aead_ctx(aead); |
|
|
|
if (authsize != POLY1305_DIGEST_SIZE) |
|
return -EINVAL; |
|
|
|
ctx->authsize = authsize; |
|
return chachapoly_set_sh_desc(aead); |
|
} |
|
|
|
static int chachapoly_setkey(struct crypto_aead *aead, const u8 *key, |
|
unsigned int keylen) |
|
{ |
|
struct caam_ctx *ctx = crypto_aead_ctx(aead); |
|
unsigned int ivsize = crypto_aead_ivsize(aead); |
|
unsigned int saltlen = CHACHAPOLY_IV_SIZE - ivsize; |
|
|
|
if (keylen != CHACHA_KEY_SIZE + saltlen) |
|
return -EINVAL; |
|
|
|
ctx->cdata.key_virt = key; |
|
ctx->cdata.keylen = keylen - saltlen; |
|
|
|
return chachapoly_set_sh_desc(aead); |
|
} |
|
|
|
static int gcm_set_sh_desc(struct crypto_aead *aead) |
|
{ |
|
struct caam_ctx *ctx = crypto_aead_ctx(aead); |
|
struct device *dev = ctx->dev; |
|
unsigned int ivsize = crypto_aead_ivsize(aead); |
|
struct caam_flc *flc; |
|
u32 *desc; |
|
int rem_bytes = CAAM_DESC_BYTES_MAX - DESC_JOB_IO_LEN - |
|
ctx->cdata.keylen; |
|
|
|
if (!ctx->cdata.keylen || !ctx->authsize) |
|
return 0; |
|
|
|
/* |
|
* AES GCM encrypt shared descriptor |
|
* Job Descriptor and Shared Descriptor |
|
* must fit into the 64-word Descriptor h/w Buffer |
|
*/ |
|
if (rem_bytes >= DESC_QI_GCM_ENC_LEN) { |
|
ctx->cdata.key_inline = true; |
|
ctx->cdata.key_virt = ctx->key; |
|
} else { |
|
ctx->cdata.key_inline = false; |
|
ctx->cdata.key_dma = ctx->key_dma; |
|
} |
|
|
|
flc = &ctx->flc[ENCRYPT]; |
|
desc = flc->sh_desc; |
|
cnstr_shdsc_gcm_encap(desc, &ctx->cdata, ivsize, ctx->authsize, true); |
|
flc->flc[1] = cpu_to_caam32(desc_len(desc)); /* SDL */ |
|
dma_sync_single_for_device(dev, ctx->flc_dma[ENCRYPT], |
|
sizeof(flc->flc) + desc_bytes(desc), |
|
ctx->dir); |
|
|
|
/* |
|
* Job Descriptor and Shared Descriptors |
|
* must all fit into the 64-word Descriptor h/w Buffer |
|
*/ |
|
if (rem_bytes >= DESC_QI_GCM_DEC_LEN) { |
|
ctx->cdata.key_inline = true; |
|
ctx->cdata.key_virt = ctx->key; |
|
} else { |
|
ctx->cdata.key_inline = false; |
|
ctx->cdata.key_dma = ctx->key_dma; |
|
} |
|
|
|
flc = &ctx->flc[DECRYPT]; |
|
desc = flc->sh_desc; |
|
cnstr_shdsc_gcm_decap(desc, &ctx->cdata, ivsize, ctx->authsize, true); |
|
flc->flc[1] = cpu_to_caam32(desc_len(desc)); /* SDL */ |
|
dma_sync_single_for_device(dev, ctx->flc_dma[DECRYPT], |
|
sizeof(flc->flc) + desc_bytes(desc), |
|
ctx->dir); |
|
|
|
return 0; |
|
} |
|
|
|
static int gcm_setauthsize(struct crypto_aead *authenc, unsigned int authsize) |
|
{ |
|
struct caam_ctx *ctx = crypto_aead_ctx(authenc); |
|
int err; |
|
|
|
err = crypto_gcm_check_authsize(authsize); |
|
if (err) |
|
return err; |
|
|
|
ctx->authsize = authsize; |
|
gcm_set_sh_desc(authenc); |
|
|
|
return 0; |
|
} |
|
|
|
static int gcm_setkey(struct crypto_aead *aead, |
|
const u8 *key, unsigned int keylen) |
|
{ |
|
struct caam_ctx *ctx = crypto_aead_ctx(aead); |
|
struct device *dev = ctx->dev; |
|
int ret; |
|
|
|
ret = aes_check_keylen(keylen); |
|
if (ret) |
|
return ret; |
|
print_hex_dump_debug("key in @" __stringify(__LINE__)": ", |
|
DUMP_PREFIX_ADDRESS, 16, 4, key, keylen, 1); |
|
|
|
memcpy(ctx->key, key, keylen); |
|
dma_sync_single_for_device(dev, ctx->key_dma, keylen, ctx->dir); |
|
ctx->cdata.keylen = keylen; |
|
|
|
return gcm_set_sh_desc(aead); |
|
} |
|
|
|
static int rfc4106_set_sh_desc(struct crypto_aead *aead) |
|
{ |
|
struct caam_ctx *ctx = crypto_aead_ctx(aead); |
|
struct device *dev = ctx->dev; |
|
unsigned int ivsize = crypto_aead_ivsize(aead); |
|
struct caam_flc *flc; |
|
u32 *desc; |
|
int rem_bytes = CAAM_DESC_BYTES_MAX - DESC_JOB_IO_LEN - |
|
ctx->cdata.keylen; |
|
|
|
if (!ctx->cdata.keylen || !ctx->authsize) |
|
return 0; |
|
|
|
ctx->cdata.key_virt = ctx->key; |
|
|
|
/* |
|
* RFC4106 encrypt shared descriptor |
|
* Job Descriptor and Shared Descriptor |
|
* must fit into the 64-word Descriptor h/w Buffer |
|
*/ |
|
if (rem_bytes >= DESC_QI_RFC4106_ENC_LEN) { |
|
ctx->cdata.key_inline = true; |
|
} else { |
|
ctx->cdata.key_inline = false; |
|
ctx->cdata.key_dma = ctx->key_dma; |
|
} |
|
|
|
flc = &ctx->flc[ENCRYPT]; |
|
desc = flc->sh_desc; |
|
cnstr_shdsc_rfc4106_encap(desc, &ctx->cdata, ivsize, ctx->authsize, |
|
true); |
|
flc->flc[1] = cpu_to_caam32(desc_len(desc)); /* SDL */ |
|
dma_sync_single_for_device(dev, ctx->flc_dma[ENCRYPT], |
|
sizeof(flc->flc) + desc_bytes(desc), |
|
ctx->dir); |
|
|
|
/* |
|
* Job Descriptor and Shared Descriptors |
|
* must all fit into the 64-word Descriptor h/w Buffer |
|
*/ |
|
if (rem_bytes >= DESC_QI_RFC4106_DEC_LEN) { |
|
ctx->cdata.key_inline = true; |
|
} else { |
|
ctx->cdata.key_inline = false; |
|
ctx->cdata.key_dma = ctx->key_dma; |
|
} |
|
|
|
flc = &ctx->flc[DECRYPT]; |
|
desc = flc->sh_desc; |
|
cnstr_shdsc_rfc4106_decap(desc, &ctx->cdata, ivsize, ctx->authsize, |
|
true); |
|
flc->flc[1] = cpu_to_caam32(desc_len(desc)); /* SDL */ |
|
dma_sync_single_for_device(dev, ctx->flc_dma[DECRYPT], |
|
sizeof(flc->flc) + desc_bytes(desc), |
|
ctx->dir); |
|
|
|
return 0; |
|
} |
|
|
|
static int rfc4106_setauthsize(struct crypto_aead *authenc, |
|
unsigned int authsize) |
|
{ |
|
struct caam_ctx *ctx = crypto_aead_ctx(authenc); |
|
int err; |
|
|
|
err = crypto_rfc4106_check_authsize(authsize); |
|
if (err) |
|
return err; |
|
|
|
ctx->authsize = authsize; |
|
rfc4106_set_sh_desc(authenc); |
|
|
|
return 0; |
|
} |
|
|
|
static int rfc4106_setkey(struct crypto_aead *aead, |
|
const u8 *key, unsigned int keylen) |
|
{ |
|
struct caam_ctx *ctx = crypto_aead_ctx(aead); |
|
struct device *dev = ctx->dev; |
|
int ret; |
|
|
|
ret = aes_check_keylen(keylen - 4); |
|
if (ret) |
|
return ret; |
|
|
|
print_hex_dump_debug("key in @" __stringify(__LINE__)": ", |
|
DUMP_PREFIX_ADDRESS, 16, 4, key, keylen, 1); |
|
|
|
memcpy(ctx->key, key, keylen); |
|
/* |
|
* The last four bytes of the key material are used as the salt value |
|
* in the nonce. Update the AES key length. |
|
*/ |
|
ctx->cdata.keylen = keylen - 4; |
|
dma_sync_single_for_device(dev, ctx->key_dma, ctx->cdata.keylen, |
|
ctx->dir); |
|
|
|
return rfc4106_set_sh_desc(aead); |
|
} |
|
|
|
static int rfc4543_set_sh_desc(struct crypto_aead *aead) |
|
{ |
|
struct caam_ctx *ctx = crypto_aead_ctx(aead); |
|
struct device *dev = ctx->dev; |
|
unsigned int ivsize = crypto_aead_ivsize(aead); |
|
struct caam_flc *flc; |
|
u32 *desc; |
|
int rem_bytes = CAAM_DESC_BYTES_MAX - DESC_JOB_IO_LEN - |
|
ctx->cdata.keylen; |
|
|
|
if (!ctx->cdata.keylen || !ctx->authsize) |
|
return 0; |
|
|
|
ctx->cdata.key_virt = ctx->key; |
|
|
|
/* |
|
* RFC4543 encrypt shared descriptor |
|
* Job Descriptor and Shared Descriptor |
|
* must fit into the 64-word Descriptor h/w Buffer |
|
*/ |
|
if (rem_bytes >= DESC_QI_RFC4543_ENC_LEN) { |
|
ctx->cdata.key_inline = true; |
|
} else { |
|
ctx->cdata.key_inline = false; |
|
ctx->cdata.key_dma = ctx->key_dma; |
|
} |
|
|
|
flc = &ctx->flc[ENCRYPT]; |
|
desc = flc->sh_desc; |
|
cnstr_shdsc_rfc4543_encap(desc, &ctx->cdata, ivsize, ctx->authsize, |
|
true); |
|
flc->flc[1] = cpu_to_caam32(desc_len(desc)); /* SDL */ |
|
dma_sync_single_for_device(dev, ctx->flc_dma[ENCRYPT], |
|
sizeof(flc->flc) + desc_bytes(desc), |
|
ctx->dir); |
|
|
|
/* |
|
* Job Descriptor and Shared Descriptors |
|
* must all fit into the 64-word Descriptor h/w Buffer |
|
*/ |
|
if (rem_bytes >= DESC_QI_RFC4543_DEC_LEN) { |
|
ctx->cdata.key_inline = true; |
|
} else { |
|
ctx->cdata.key_inline = false; |
|
ctx->cdata.key_dma = ctx->key_dma; |
|
} |
|
|
|
flc = &ctx->flc[DECRYPT]; |
|
desc = flc->sh_desc; |
|
cnstr_shdsc_rfc4543_decap(desc, &ctx->cdata, ivsize, ctx->authsize, |
|
true); |
|
flc->flc[1] = cpu_to_caam32(desc_len(desc)); /* SDL */ |
|
dma_sync_single_for_device(dev, ctx->flc_dma[DECRYPT], |
|
sizeof(flc->flc) + desc_bytes(desc), |
|
ctx->dir); |
|
|
|
return 0; |
|
} |
|
|
|
static int rfc4543_setauthsize(struct crypto_aead *authenc, |
|
unsigned int authsize) |
|
{ |
|
struct caam_ctx *ctx = crypto_aead_ctx(authenc); |
|
|
|
if (authsize != 16) |
|
return -EINVAL; |
|
|
|
ctx->authsize = authsize; |
|
rfc4543_set_sh_desc(authenc); |
|
|
|
return 0; |
|
} |
|
|
|
static int rfc4543_setkey(struct crypto_aead *aead, |
|
const u8 *key, unsigned int keylen) |
|
{ |
|
struct caam_ctx *ctx = crypto_aead_ctx(aead); |
|
struct device *dev = ctx->dev; |
|
int ret; |
|
|
|
ret = aes_check_keylen(keylen - 4); |
|
if (ret) |
|
return ret; |
|
|
|
print_hex_dump_debug("key in @" __stringify(__LINE__)": ", |
|
DUMP_PREFIX_ADDRESS, 16, 4, key, keylen, 1); |
|
|
|
memcpy(ctx->key, key, keylen); |
|
/* |
|
* The last four bytes of the key material are used as the salt value |
|
* in the nonce. Update the AES key length. |
|
*/ |
|
ctx->cdata.keylen = keylen - 4; |
|
dma_sync_single_for_device(dev, ctx->key_dma, ctx->cdata.keylen, |
|
ctx->dir); |
|
|
|
return rfc4543_set_sh_desc(aead); |
|
} |
|
|
|
static int skcipher_setkey(struct crypto_skcipher *skcipher, const u8 *key, |
|
unsigned int keylen, const u32 ctx1_iv_off) |
|
{ |
|
struct caam_ctx *ctx = crypto_skcipher_ctx(skcipher); |
|
struct caam_skcipher_alg *alg = |
|
container_of(crypto_skcipher_alg(skcipher), |
|
struct caam_skcipher_alg, skcipher); |
|
struct device *dev = ctx->dev; |
|
struct caam_flc *flc; |
|
unsigned int ivsize = crypto_skcipher_ivsize(skcipher); |
|
u32 *desc; |
|
const bool is_rfc3686 = alg->caam.rfc3686; |
|
|
|
print_hex_dump_debug("key in @" __stringify(__LINE__)": ", |
|
DUMP_PREFIX_ADDRESS, 16, 4, key, keylen, 1); |
|
|
|
ctx->cdata.keylen = keylen; |
|
ctx->cdata.key_virt = key; |
|
ctx->cdata.key_inline = true; |
|
|
|
/* skcipher_encrypt shared descriptor */ |
|
flc = &ctx->flc[ENCRYPT]; |
|
desc = flc->sh_desc; |
|
cnstr_shdsc_skcipher_encap(desc, &ctx->cdata, ivsize, is_rfc3686, |
|
ctx1_iv_off); |
|
flc->flc[1] = cpu_to_caam32(desc_len(desc)); /* SDL */ |
|
dma_sync_single_for_device(dev, ctx->flc_dma[ENCRYPT], |
|
sizeof(flc->flc) + desc_bytes(desc), |
|
ctx->dir); |
|
|
|
/* skcipher_decrypt shared descriptor */ |
|
flc = &ctx->flc[DECRYPT]; |
|
desc = flc->sh_desc; |
|
cnstr_shdsc_skcipher_decap(desc, &ctx->cdata, ivsize, is_rfc3686, |
|
ctx1_iv_off); |
|
flc->flc[1] = cpu_to_caam32(desc_len(desc)); /* SDL */ |
|
dma_sync_single_for_device(dev, ctx->flc_dma[DECRYPT], |
|
sizeof(flc->flc) + desc_bytes(desc), |
|
ctx->dir); |
|
|
|
return 0; |
|
} |
|
|
|
static int aes_skcipher_setkey(struct crypto_skcipher *skcipher, |
|
const u8 *key, unsigned int keylen) |
|
{ |
|
int err; |
|
|
|
err = aes_check_keylen(keylen); |
|
if (err) |
|
return err; |
|
|
|
return skcipher_setkey(skcipher, key, keylen, 0); |
|
} |
|
|
|
static int rfc3686_skcipher_setkey(struct crypto_skcipher *skcipher, |
|
const u8 *key, unsigned int keylen) |
|
{ |
|
u32 ctx1_iv_off; |
|
int err; |
|
|
|
/* |
|
* RFC3686 specific: |
|
* | CONTEXT1[255:128] = {NONCE, IV, COUNTER} |
|
* | *key = {KEY, NONCE} |
|
*/ |
|
ctx1_iv_off = 16 + CTR_RFC3686_NONCE_SIZE; |
|
keylen -= CTR_RFC3686_NONCE_SIZE; |
|
|
|
err = aes_check_keylen(keylen); |
|
if (err) |
|
return err; |
|
|
|
return skcipher_setkey(skcipher, key, keylen, ctx1_iv_off); |
|
} |
|
|
|
static int ctr_skcipher_setkey(struct crypto_skcipher *skcipher, |
|
const u8 *key, unsigned int keylen) |
|
{ |
|
u32 ctx1_iv_off; |
|
int err; |
|
|
|
/* |
|
* AES-CTR needs to load IV in CONTEXT1 reg |
|
* at an offset of 128bits (16bytes) |
|
* CONTEXT1[255:128] = IV |
|
*/ |
|
ctx1_iv_off = 16; |
|
|
|
err = aes_check_keylen(keylen); |
|
if (err) |
|
return err; |
|
|
|
return skcipher_setkey(skcipher, key, keylen, ctx1_iv_off); |
|
} |
|
|
|
static int chacha20_skcipher_setkey(struct crypto_skcipher *skcipher, |
|
const u8 *key, unsigned int keylen) |
|
{ |
|
if (keylen != CHACHA_KEY_SIZE) |
|
return -EINVAL; |
|
|
|
return skcipher_setkey(skcipher, key, keylen, 0); |
|
} |
|
|
|
static int des_skcipher_setkey(struct crypto_skcipher *skcipher, |
|
const u8 *key, unsigned int keylen) |
|
{ |
|
return verify_skcipher_des_key(skcipher, key) ?: |
|
skcipher_setkey(skcipher, key, keylen, 0); |
|
} |
|
|
|
static int des3_skcipher_setkey(struct crypto_skcipher *skcipher, |
|
const u8 *key, unsigned int keylen) |
|
{ |
|
return verify_skcipher_des3_key(skcipher, key) ?: |
|
skcipher_setkey(skcipher, key, keylen, 0); |
|
} |
|
|
|
static int xts_skcipher_setkey(struct crypto_skcipher *skcipher, const u8 *key, |
|
unsigned int keylen) |
|
{ |
|
struct caam_ctx *ctx = crypto_skcipher_ctx(skcipher); |
|
struct device *dev = ctx->dev; |
|
struct dpaa2_caam_priv *priv = dev_get_drvdata(dev); |
|
struct caam_flc *flc; |
|
u32 *desc; |
|
int err; |
|
|
|
err = xts_verify_key(skcipher, key, keylen); |
|
if (err) { |
|
dev_dbg(dev, "key size mismatch\n"); |
|
return err; |
|
} |
|
|
|
if (keylen != 2 * AES_KEYSIZE_128 && keylen != 2 * AES_KEYSIZE_256) |
|
ctx->xts_key_fallback = true; |
|
|
|
if (priv->sec_attr.era <= 8 || ctx->xts_key_fallback) { |
|
err = crypto_skcipher_setkey(ctx->fallback, key, keylen); |
|
if (err) |
|
return err; |
|
} |
|
|
|
ctx->cdata.keylen = keylen; |
|
ctx->cdata.key_virt = key; |
|
ctx->cdata.key_inline = true; |
|
|
|
/* xts_skcipher_encrypt shared descriptor */ |
|
flc = &ctx->flc[ENCRYPT]; |
|
desc = flc->sh_desc; |
|
cnstr_shdsc_xts_skcipher_encap(desc, &ctx->cdata); |
|
flc->flc[1] = cpu_to_caam32(desc_len(desc)); /* SDL */ |
|
dma_sync_single_for_device(dev, ctx->flc_dma[ENCRYPT], |
|
sizeof(flc->flc) + desc_bytes(desc), |
|
ctx->dir); |
|
|
|
/* xts_skcipher_decrypt shared descriptor */ |
|
flc = &ctx->flc[DECRYPT]; |
|
desc = flc->sh_desc; |
|
cnstr_shdsc_xts_skcipher_decap(desc, &ctx->cdata); |
|
flc->flc[1] = cpu_to_caam32(desc_len(desc)); /* SDL */ |
|
dma_sync_single_for_device(dev, ctx->flc_dma[DECRYPT], |
|
sizeof(flc->flc) + desc_bytes(desc), |
|
ctx->dir); |
|
|
|
return 0; |
|
} |
|
|
|
static struct skcipher_edesc *skcipher_edesc_alloc(struct skcipher_request *req) |
|
{ |
|
struct crypto_skcipher *skcipher = crypto_skcipher_reqtfm(req); |
|
struct caam_request *req_ctx = skcipher_request_ctx(req); |
|
struct dpaa2_fl_entry *in_fle = &req_ctx->fd_flt[1]; |
|
struct dpaa2_fl_entry *out_fle = &req_ctx->fd_flt[0]; |
|
struct caam_ctx *ctx = crypto_skcipher_ctx(skcipher); |
|
struct device *dev = ctx->dev; |
|
gfp_t flags = (req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP) ? |
|
GFP_KERNEL : GFP_ATOMIC; |
|
int src_nents, mapped_src_nents, dst_nents = 0, mapped_dst_nents = 0; |
|
struct skcipher_edesc *edesc; |
|
dma_addr_t iv_dma; |
|
u8 *iv; |
|
int ivsize = crypto_skcipher_ivsize(skcipher); |
|
int dst_sg_idx, qm_sg_ents, qm_sg_bytes; |
|
struct dpaa2_sg_entry *sg_table; |
|
|
|
src_nents = sg_nents_for_len(req->src, req->cryptlen); |
|
if (unlikely(src_nents < 0)) { |
|
dev_err(dev, "Insufficient bytes (%d) in src S/G\n", |
|
req->cryptlen); |
|
return ERR_PTR(src_nents); |
|
} |
|
|
|
if (unlikely(req->dst != req->src)) { |
|
dst_nents = sg_nents_for_len(req->dst, req->cryptlen); |
|
if (unlikely(dst_nents < 0)) { |
|
dev_err(dev, "Insufficient bytes (%d) in dst S/G\n", |
|
req->cryptlen); |
|
return ERR_PTR(dst_nents); |
|
} |
|
|
|
mapped_src_nents = dma_map_sg(dev, req->src, src_nents, |
|
DMA_TO_DEVICE); |
|
if (unlikely(!mapped_src_nents)) { |
|
dev_err(dev, "unable to map source\n"); |
|
return ERR_PTR(-ENOMEM); |
|
} |
|
|
|
mapped_dst_nents = dma_map_sg(dev, req->dst, dst_nents, |
|
DMA_FROM_DEVICE); |
|
if (unlikely(!mapped_dst_nents)) { |
|
dev_err(dev, "unable to map destination\n"); |
|
dma_unmap_sg(dev, req->src, src_nents, DMA_TO_DEVICE); |
|
return ERR_PTR(-ENOMEM); |
|
} |
|
} else { |
|
mapped_src_nents = dma_map_sg(dev, req->src, src_nents, |
|
DMA_BIDIRECTIONAL); |
|
if (unlikely(!mapped_src_nents)) { |
|
dev_err(dev, "unable to map source\n"); |
|
return ERR_PTR(-ENOMEM); |
|
} |
|
} |
|
|
|
qm_sg_ents = 1 + mapped_src_nents; |
|
dst_sg_idx = qm_sg_ents; |
|
|
|
/* |
|
* Input, output HW S/G tables: [IV, src][dst, IV] |
|
* IV entries point to the same buffer |
|
* If src == dst, S/G entries are reused (S/G tables overlap) |
|
* |
|
* HW reads 4 S/G entries at a time; make sure the reads don't go beyond |
|
* the end of the table by allocating more S/G entries. |
|
*/ |
|
if (req->src != req->dst) |
|
qm_sg_ents += pad_sg_nents(mapped_dst_nents + 1); |
|
else |
|
qm_sg_ents = 1 + pad_sg_nents(qm_sg_ents); |
|
|
|
qm_sg_bytes = qm_sg_ents * sizeof(struct dpaa2_sg_entry); |
|
if (unlikely(offsetof(struct skcipher_edesc, sgt) + qm_sg_bytes + |
|
ivsize > CAAM_QI_MEMCACHE_SIZE)) { |
|
dev_err(dev, "No space for %d S/G entries and/or %dB IV\n", |
|
qm_sg_ents, ivsize); |
|
caam_unmap(dev, req->src, req->dst, src_nents, dst_nents, 0, |
|
0, DMA_NONE, 0, 0); |
|
return ERR_PTR(-ENOMEM); |
|
} |
|
|
|
/* allocate space for base edesc, link tables and IV */ |
|
edesc = qi_cache_zalloc(GFP_DMA | flags); |
|
if (unlikely(!edesc)) { |
|
dev_err(dev, "could not allocate extended descriptor\n"); |
|
caam_unmap(dev, req->src, req->dst, src_nents, dst_nents, 0, |
|
0, DMA_NONE, 0, 0); |
|
return ERR_PTR(-ENOMEM); |
|
} |
|
|
|
/* Make sure IV is located in a DMAable area */ |
|
sg_table = &edesc->sgt[0]; |
|
iv = (u8 *)(sg_table + qm_sg_ents); |
|
memcpy(iv, req->iv, ivsize); |
|
|
|
iv_dma = dma_map_single(dev, iv, ivsize, DMA_BIDIRECTIONAL); |
|
if (dma_mapping_error(dev, iv_dma)) { |
|
dev_err(dev, "unable to map IV\n"); |
|
caam_unmap(dev, req->src, req->dst, src_nents, dst_nents, 0, |
|
0, DMA_NONE, 0, 0); |
|
qi_cache_free(edesc); |
|
return ERR_PTR(-ENOMEM); |
|
} |
|
|
|
edesc->src_nents = src_nents; |
|
edesc->dst_nents = dst_nents; |
|
edesc->iv_dma = iv_dma; |
|
edesc->qm_sg_bytes = qm_sg_bytes; |
|
|
|
dma_to_qm_sg_one(sg_table, iv_dma, ivsize, 0); |
|
sg_to_qm_sg(req->src, req->cryptlen, sg_table + 1, 0); |
|
|
|
if (req->src != req->dst) |
|
sg_to_qm_sg(req->dst, req->cryptlen, sg_table + dst_sg_idx, 0); |
|
|
|
dma_to_qm_sg_one(sg_table + dst_sg_idx + mapped_dst_nents, iv_dma, |
|
ivsize, 0); |
|
|
|
edesc->qm_sg_dma = dma_map_single(dev, sg_table, edesc->qm_sg_bytes, |
|
DMA_TO_DEVICE); |
|
if (dma_mapping_error(dev, edesc->qm_sg_dma)) { |
|
dev_err(dev, "unable to map S/G table\n"); |
|
caam_unmap(dev, req->src, req->dst, src_nents, dst_nents, |
|
iv_dma, ivsize, DMA_BIDIRECTIONAL, 0, 0); |
|
qi_cache_free(edesc); |
|
return ERR_PTR(-ENOMEM); |
|
} |
|
|
|
memset(&req_ctx->fd_flt, 0, sizeof(req_ctx->fd_flt)); |
|
dpaa2_fl_set_final(in_fle, true); |
|
dpaa2_fl_set_len(in_fle, req->cryptlen + ivsize); |
|
dpaa2_fl_set_len(out_fle, req->cryptlen + ivsize); |
|
|
|
dpaa2_fl_set_format(in_fle, dpaa2_fl_sg); |
|
dpaa2_fl_set_addr(in_fle, edesc->qm_sg_dma); |
|
|
|
dpaa2_fl_set_format(out_fle, dpaa2_fl_sg); |
|
|
|
if (req->src == req->dst) |
|
dpaa2_fl_set_addr(out_fle, edesc->qm_sg_dma + |
|
sizeof(*sg_table)); |
|
else |
|
dpaa2_fl_set_addr(out_fle, edesc->qm_sg_dma + dst_sg_idx * |
|
sizeof(*sg_table)); |
|
|
|
return edesc; |
|
} |
|
|
|
static void aead_unmap(struct device *dev, struct aead_edesc *edesc, |
|
struct aead_request *req) |
|
{ |
|
struct crypto_aead *aead = crypto_aead_reqtfm(req); |
|
int ivsize = crypto_aead_ivsize(aead); |
|
|
|
caam_unmap(dev, req->src, req->dst, edesc->src_nents, edesc->dst_nents, |
|
edesc->iv_dma, ivsize, DMA_TO_DEVICE, edesc->qm_sg_dma, |
|
edesc->qm_sg_bytes); |
|
dma_unmap_single(dev, edesc->assoclen_dma, 4, DMA_TO_DEVICE); |
|
} |
|
|
|
static void skcipher_unmap(struct device *dev, struct skcipher_edesc *edesc, |
|
struct skcipher_request *req) |
|
{ |
|
struct crypto_skcipher *skcipher = crypto_skcipher_reqtfm(req); |
|
int ivsize = crypto_skcipher_ivsize(skcipher); |
|
|
|
caam_unmap(dev, req->src, req->dst, edesc->src_nents, edesc->dst_nents, |
|
edesc->iv_dma, ivsize, DMA_BIDIRECTIONAL, edesc->qm_sg_dma, |
|
edesc->qm_sg_bytes); |
|
} |
|
|
|
static void aead_encrypt_done(void *cbk_ctx, u32 status) |
|
{ |
|
struct crypto_async_request *areq = cbk_ctx; |
|
struct aead_request *req = container_of(areq, struct aead_request, |
|
base); |
|
struct caam_request *req_ctx = to_caam_req(areq); |
|
struct aead_edesc *edesc = req_ctx->edesc; |
|
struct crypto_aead *aead = crypto_aead_reqtfm(req); |
|
struct caam_ctx *ctx = crypto_aead_ctx(aead); |
|
int ecode = 0; |
|
|
|
dev_dbg(ctx->dev, "%s %d: err 0x%x\n", __func__, __LINE__, status); |
|
|
|
if (unlikely(status)) |
|
ecode = caam_qi2_strstatus(ctx->dev, status); |
|
|
|
aead_unmap(ctx->dev, edesc, req); |
|
qi_cache_free(edesc); |
|
aead_request_complete(req, ecode); |
|
} |
|
|
|
static void aead_decrypt_done(void *cbk_ctx, u32 status) |
|
{ |
|
struct crypto_async_request *areq = cbk_ctx; |
|
struct aead_request *req = container_of(areq, struct aead_request, |
|
base); |
|
struct caam_request *req_ctx = to_caam_req(areq); |
|
struct aead_edesc *edesc = req_ctx->edesc; |
|
struct crypto_aead *aead = crypto_aead_reqtfm(req); |
|
struct caam_ctx *ctx = crypto_aead_ctx(aead); |
|
int ecode = 0; |
|
|
|
dev_dbg(ctx->dev, "%s %d: err 0x%x\n", __func__, __LINE__, status); |
|
|
|
if (unlikely(status)) |
|
ecode = caam_qi2_strstatus(ctx->dev, status); |
|
|
|
aead_unmap(ctx->dev, edesc, req); |
|
qi_cache_free(edesc); |
|
aead_request_complete(req, ecode); |
|
} |
|
|
|
static int aead_encrypt(struct aead_request *req) |
|
{ |
|
struct aead_edesc *edesc; |
|
struct crypto_aead *aead = crypto_aead_reqtfm(req); |
|
struct caam_ctx *ctx = crypto_aead_ctx(aead); |
|
struct caam_request *caam_req = aead_request_ctx(req); |
|
int ret; |
|
|
|
/* allocate extended descriptor */ |
|
edesc = aead_edesc_alloc(req, true); |
|
if (IS_ERR(edesc)) |
|
return PTR_ERR(edesc); |
|
|
|
caam_req->flc = &ctx->flc[ENCRYPT]; |
|
caam_req->flc_dma = ctx->flc_dma[ENCRYPT]; |
|
caam_req->cbk = aead_encrypt_done; |
|
caam_req->ctx = &req->base; |
|
caam_req->edesc = edesc; |
|
ret = dpaa2_caam_enqueue(ctx->dev, caam_req); |
|
if (ret != -EINPROGRESS && |
|
!(ret == -EBUSY && req->base.flags & CRYPTO_TFM_REQ_MAY_BACKLOG)) { |
|
aead_unmap(ctx->dev, edesc, req); |
|
qi_cache_free(edesc); |
|
} |
|
|
|
return ret; |
|
} |
|
|
|
static int aead_decrypt(struct aead_request *req) |
|
{ |
|
struct aead_edesc *edesc; |
|
struct crypto_aead *aead = crypto_aead_reqtfm(req); |
|
struct caam_ctx *ctx = crypto_aead_ctx(aead); |
|
struct caam_request *caam_req = aead_request_ctx(req); |
|
int ret; |
|
|
|
/* allocate extended descriptor */ |
|
edesc = aead_edesc_alloc(req, false); |
|
if (IS_ERR(edesc)) |
|
return PTR_ERR(edesc); |
|
|
|
caam_req->flc = &ctx->flc[DECRYPT]; |
|
caam_req->flc_dma = ctx->flc_dma[DECRYPT]; |
|
caam_req->cbk = aead_decrypt_done; |
|
caam_req->ctx = &req->base; |
|
caam_req->edesc = edesc; |
|
ret = dpaa2_caam_enqueue(ctx->dev, caam_req); |
|
if (ret != -EINPROGRESS && |
|
!(ret == -EBUSY && req->base.flags & CRYPTO_TFM_REQ_MAY_BACKLOG)) { |
|
aead_unmap(ctx->dev, edesc, req); |
|
qi_cache_free(edesc); |
|
} |
|
|
|
return ret; |
|
} |
|
|
|
static int ipsec_gcm_encrypt(struct aead_request *req) |
|
{ |
|
return crypto_ipsec_check_assoclen(req->assoclen) ? : aead_encrypt(req); |
|
} |
|
|
|
static int ipsec_gcm_decrypt(struct aead_request *req) |
|
{ |
|
return crypto_ipsec_check_assoclen(req->assoclen) ? : aead_decrypt(req); |
|
} |
|
|
|
static void skcipher_encrypt_done(void *cbk_ctx, u32 status) |
|
{ |
|
struct crypto_async_request *areq = cbk_ctx; |
|
struct skcipher_request *req = skcipher_request_cast(areq); |
|
struct caam_request *req_ctx = to_caam_req(areq); |
|
struct crypto_skcipher *skcipher = crypto_skcipher_reqtfm(req); |
|
struct caam_ctx *ctx = crypto_skcipher_ctx(skcipher); |
|
struct skcipher_edesc *edesc = req_ctx->edesc; |
|
int ecode = 0; |
|
int ivsize = crypto_skcipher_ivsize(skcipher); |
|
|
|
dev_dbg(ctx->dev, "%s %d: err 0x%x\n", __func__, __LINE__, status); |
|
|
|
if (unlikely(status)) |
|
ecode = caam_qi2_strstatus(ctx->dev, status); |
|
|
|
print_hex_dump_debug("dstiv @" __stringify(__LINE__)": ", |
|
DUMP_PREFIX_ADDRESS, 16, 4, req->iv, |
|
edesc->src_nents > 1 ? 100 : ivsize, 1); |
|
caam_dump_sg("dst @" __stringify(__LINE__)": ", |
|
DUMP_PREFIX_ADDRESS, 16, 4, req->dst, |
|
edesc->dst_nents > 1 ? 100 : req->cryptlen, 1); |
|
|
|
skcipher_unmap(ctx->dev, edesc, req); |
|
|
|
/* |
|
* The crypto API expects us to set the IV (req->iv) to the last |
|
* ciphertext block (CBC mode) or last counter (CTR mode). |
|
* This is used e.g. by the CTS mode. |
|
*/ |
|
if (!ecode) |
|
memcpy(req->iv, (u8 *)&edesc->sgt[0] + edesc->qm_sg_bytes, |
|
ivsize); |
|
|
|
qi_cache_free(edesc); |
|
skcipher_request_complete(req, ecode); |
|
} |
|
|
|
static void skcipher_decrypt_done(void *cbk_ctx, u32 status) |
|
{ |
|
struct crypto_async_request *areq = cbk_ctx; |
|
struct skcipher_request *req = skcipher_request_cast(areq); |
|
struct caam_request *req_ctx = to_caam_req(areq); |
|
struct crypto_skcipher *skcipher = crypto_skcipher_reqtfm(req); |
|
struct caam_ctx *ctx = crypto_skcipher_ctx(skcipher); |
|
struct skcipher_edesc *edesc = req_ctx->edesc; |
|
int ecode = 0; |
|
int ivsize = crypto_skcipher_ivsize(skcipher); |
|
|
|
dev_dbg(ctx->dev, "%s %d: err 0x%x\n", __func__, __LINE__, status); |
|
|
|
if (unlikely(status)) |
|
ecode = caam_qi2_strstatus(ctx->dev, status); |
|
|
|
print_hex_dump_debug("dstiv @" __stringify(__LINE__)": ", |
|
DUMP_PREFIX_ADDRESS, 16, 4, req->iv, |
|
edesc->src_nents > 1 ? 100 : ivsize, 1); |
|
caam_dump_sg("dst @" __stringify(__LINE__)": ", |
|
DUMP_PREFIX_ADDRESS, 16, 4, req->dst, |
|
edesc->dst_nents > 1 ? 100 : req->cryptlen, 1); |
|
|
|
skcipher_unmap(ctx->dev, edesc, req); |
|
|
|
/* |
|
* The crypto API expects us to set the IV (req->iv) to the last |
|
* ciphertext block (CBC mode) or last counter (CTR mode). |
|
* This is used e.g. by the CTS mode. |
|
*/ |
|
if (!ecode) |
|
memcpy(req->iv, (u8 *)&edesc->sgt[0] + edesc->qm_sg_bytes, |
|
ivsize); |
|
|
|
qi_cache_free(edesc); |
|
skcipher_request_complete(req, ecode); |
|
} |
|
|
|
static inline bool xts_skcipher_ivsize(struct skcipher_request *req) |
|
{ |
|
struct crypto_skcipher *skcipher = crypto_skcipher_reqtfm(req); |
|
unsigned int ivsize = crypto_skcipher_ivsize(skcipher); |
|
|
|
return !!get_unaligned((u64 *)(req->iv + (ivsize / 2))); |
|
} |
|
|
|
static int skcipher_encrypt(struct skcipher_request *req) |
|
{ |
|
struct skcipher_edesc *edesc; |
|
struct crypto_skcipher *skcipher = crypto_skcipher_reqtfm(req); |
|
struct caam_ctx *ctx = crypto_skcipher_ctx(skcipher); |
|
struct caam_request *caam_req = skcipher_request_ctx(req); |
|
struct dpaa2_caam_priv *priv = dev_get_drvdata(ctx->dev); |
|
int ret; |
|
|
|
/* |
|
* XTS is expected to return an error even for input length = 0 |
|
* Note that the case input length < block size will be caught during |
|
* HW offloading and return an error. |
|
*/ |
|
if (!req->cryptlen && !ctx->fallback) |
|
return 0; |
|
|
|
if (ctx->fallback && ((priv->sec_attr.era <= 8 && xts_skcipher_ivsize(req)) || |
|
ctx->xts_key_fallback)) { |
|
skcipher_request_set_tfm(&caam_req->fallback_req, ctx->fallback); |
|
skcipher_request_set_callback(&caam_req->fallback_req, |
|
req->base.flags, |
|
req->base.complete, |
|
req->base.data); |
|
skcipher_request_set_crypt(&caam_req->fallback_req, req->src, |
|
req->dst, req->cryptlen, req->iv); |
|
|
|
return crypto_skcipher_encrypt(&caam_req->fallback_req); |
|
} |
|
|
|
/* allocate extended descriptor */ |
|
edesc = skcipher_edesc_alloc(req); |
|
if (IS_ERR(edesc)) |
|
return PTR_ERR(edesc); |
|
|
|
caam_req->flc = &ctx->flc[ENCRYPT]; |
|
caam_req->flc_dma = ctx->flc_dma[ENCRYPT]; |
|
caam_req->cbk = skcipher_encrypt_done; |
|
caam_req->ctx = &req->base; |
|
caam_req->edesc = edesc; |
|
ret = dpaa2_caam_enqueue(ctx->dev, caam_req); |
|
if (ret != -EINPROGRESS && |
|
!(ret == -EBUSY && req->base.flags & CRYPTO_TFM_REQ_MAY_BACKLOG)) { |
|
skcipher_unmap(ctx->dev, edesc, req); |
|
qi_cache_free(edesc); |
|
} |
|
|
|
return ret; |
|
} |
|
|
|
static int skcipher_decrypt(struct skcipher_request *req) |
|
{ |
|
struct skcipher_edesc *edesc; |
|
struct crypto_skcipher *skcipher = crypto_skcipher_reqtfm(req); |
|
struct caam_ctx *ctx = crypto_skcipher_ctx(skcipher); |
|
struct caam_request *caam_req = skcipher_request_ctx(req); |
|
struct dpaa2_caam_priv *priv = dev_get_drvdata(ctx->dev); |
|
int ret; |
|
|
|
/* |
|
* XTS is expected to return an error even for input length = 0 |
|
* Note that the case input length < block size will be caught during |
|
* HW offloading and return an error. |
|
*/ |
|
if (!req->cryptlen && !ctx->fallback) |
|
return 0; |
|
|
|
if (ctx->fallback && ((priv->sec_attr.era <= 8 && xts_skcipher_ivsize(req)) || |
|
ctx->xts_key_fallback)) { |
|
skcipher_request_set_tfm(&caam_req->fallback_req, ctx->fallback); |
|
skcipher_request_set_callback(&caam_req->fallback_req, |
|
req->base.flags, |
|
req->base.complete, |
|
req->base.data); |
|
skcipher_request_set_crypt(&caam_req->fallback_req, req->src, |
|
req->dst, req->cryptlen, req->iv); |
|
|
|
return crypto_skcipher_decrypt(&caam_req->fallback_req); |
|
} |
|
|
|
/* allocate extended descriptor */ |
|
edesc = skcipher_edesc_alloc(req); |
|
if (IS_ERR(edesc)) |
|
return PTR_ERR(edesc); |
|
|
|
caam_req->flc = &ctx->flc[DECRYPT]; |
|
caam_req->flc_dma = ctx->flc_dma[DECRYPT]; |
|
caam_req->cbk = skcipher_decrypt_done; |
|
caam_req->ctx = &req->base; |
|
caam_req->edesc = edesc; |
|
ret = dpaa2_caam_enqueue(ctx->dev, caam_req); |
|
if (ret != -EINPROGRESS && |
|
!(ret == -EBUSY && req->base.flags & CRYPTO_TFM_REQ_MAY_BACKLOG)) { |
|
skcipher_unmap(ctx->dev, edesc, req); |
|
qi_cache_free(edesc); |
|
} |
|
|
|
return ret; |
|
} |
|
|
|
static int caam_cra_init(struct caam_ctx *ctx, struct caam_alg_entry *caam, |
|
bool uses_dkp) |
|
{ |
|
dma_addr_t dma_addr; |
|
int i; |
|
|
|
/* copy descriptor header template value */ |
|
ctx->cdata.algtype = OP_TYPE_CLASS1_ALG | caam->class1_alg_type; |
|
ctx->adata.algtype = OP_TYPE_CLASS2_ALG | caam->class2_alg_type; |
|
|
|
ctx->dev = caam->dev; |
|
ctx->dir = uses_dkp ? DMA_BIDIRECTIONAL : DMA_TO_DEVICE; |
|
|
|
dma_addr = dma_map_single_attrs(ctx->dev, ctx->flc, |
|
offsetof(struct caam_ctx, flc_dma), |
|
ctx->dir, DMA_ATTR_SKIP_CPU_SYNC); |
|
if (dma_mapping_error(ctx->dev, dma_addr)) { |
|
dev_err(ctx->dev, "unable to map key, shared descriptors\n"); |
|
return -ENOMEM; |
|
} |
|
|
|
for (i = 0; i < NUM_OP; i++) |
|
ctx->flc_dma[i] = dma_addr + i * sizeof(ctx->flc[i]); |
|
ctx->key_dma = dma_addr + NUM_OP * sizeof(ctx->flc[0]); |
|
|
|
return 0; |
|
} |
|
|
|
static int caam_cra_init_skcipher(struct crypto_skcipher *tfm) |
|
{ |
|
struct skcipher_alg *alg = crypto_skcipher_alg(tfm); |
|
struct caam_skcipher_alg *caam_alg = |
|
container_of(alg, typeof(*caam_alg), skcipher); |
|
struct caam_ctx *ctx = crypto_skcipher_ctx(tfm); |
|
u32 alg_aai = caam_alg->caam.class1_alg_type & OP_ALG_AAI_MASK; |
|
int ret = 0; |
|
|
|
if (alg_aai == OP_ALG_AAI_XTS) { |
|
const char *tfm_name = crypto_tfm_alg_name(&tfm->base); |
|
struct crypto_skcipher *fallback; |
|
|
|
fallback = crypto_alloc_skcipher(tfm_name, 0, |
|
CRYPTO_ALG_NEED_FALLBACK); |
|
if (IS_ERR(fallback)) { |
|
dev_err(caam_alg->caam.dev, |
|
"Failed to allocate %s fallback: %ld\n", |
|
tfm_name, PTR_ERR(fallback)); |
|
return PTR_ERR(fallback); |
|
} |
|
|
|
ctx->fallback = fallback; |
|
crypto_skcipher_set_reqsize(tfm, sizeof(struct caam_request) + |
|
crypto_skcipher_reqsize(fallback)); |
|
} else { |
|
crypto_skcipher_set_reqsize(tfm, sizeof(struct caam_request)); |
|
} |
|
|
|
ret = caam_cra_init(ctx, &caam_alg->caam, false); |
|
if (ret && ctx->fallback) |
|
crypto_free_skcipher(ctx->fallback); |
|
|
|
return ret; |
|
} |
|
|
|
static int caam_cra_init_aead(struct crypto_aead *tfm) |
|
{ |
|
struct aead_alg *alg = crypto_aead_alg(tfm); |
|
struct caam_aead_alg *caam_alg = container_of(alg, typeof(*caam_alg), |
|
aead); |
|
|
|
crypto_aead_set_reqsize(tfm, sizeof(struct caam_request)); |
|
return caam_cra_init(crypto_aead_ctx(tfm), &caam_alg->caam, |
|
!caam_alg->caam.nodkp); |
|
} |
|
|
|
static void caam_exit_common(struct caam_ctx *ctx) |
|
{ |
|
dma_unmap_single_attrs(ctx->dev, ctx->flc_dma[0], |
|
offsetof(struct caam_ctx, flc_dma), ctx->dir, |
|
DMA_ATTR_SKIP_CPU_SYNC); |
|
} |
|
|
|
static void caam_cra_exit(struct crypto_skcipher *tfm) |
|
{ |
|
struct caam_ctx *ctx = crypto_skcipher_ctx(tfm); |
|
|
|
if (ctx->fallback) |
|
crypto_free_skcipher(ctx->fallback); |
|
caam_exit_common(ctx); |
|
} |
|
|
|
static void caam_cra_exit_aead(struct crypto_aead *tfm) |
|
{ |
|
caam_exit_common(crypto_aead_ctx(tfm)); |
|
} |
|
|
|
static struct caam_skcipher_alg driver_algs[] = { |
|
{ |
|
.skcipher = { |
|
.base = { |
|
.cra_name = "cbc(aes)", |
|
.cra_driver_name = "cbc-aes-caam-qi2", |
|
.cra_blocksize = AES_BLOCK_SIZE, |
|
}, |
|
.setkey = aes_skcipher_setkey, |
|
.encrypt = skcipher_encrypt, |
|
.decrypt = skcipher_decrypt, |
|
.min_keysize = AES_MIN_KEY_SIZE, |
|
.max_keysize = AES_MAX_KEY_SIZE, |
|
.ivsize = AES_BLOCK_SIZE, |
|
}, |
|
.caam.class1_alg_type = OP_ALG_ALGSEL_AES | OP_ALG_AAI_CBC, |
|
}, |
|
{ |
|
.skcipher = { |
|
.base = { |
|
.cra_name = "cbc(des3_ede)", |
|
.cra_driver_name = "cbc-3des-caam-qi2", |
|
.cra_blocksize = DES3_EDE_BLOCK_SIZE, |
|
}, |
|
.setkey = des3_skcipher_setkey, |
|
.encrypt = skcipher_encrypt, |
|
.decrypt = skcipher_decrypt, |
|
.min_keysize = DES3_EDE_KEY_SIZE, |
|
.max_keysize = DES3_EDE_KEY_SIZE, |
|
.ivsize = DES3_EDE_BLOCK_SIZE, |
|
}, |
|
.caam.class1_alg_type = OP_ALG_ALGSEL_3DES | OP_ALG_AAI_CBC, |
|
}, |
|
{ |
|
.skcipher = { |
|
.base = { |
|
.cra_name = "cbc(des)", |
|
.cra_driver_name = "cbc-des-caam-qi2", |
|
.cra_blocksize = DES_BLOCK_SIZE, |
|
}, |
|
.setkey = des_skcipher_setkey, |
|
.encrypt = skcipher_encrypt, |
|
.decrypt = skcipher_decrypt, |
|
.min_keysize = DES_KEY_SIZE, |
|
.max_keysize = DES_KEY_SIZE, |
|
.ivsize = DES_BLOCK_SIZE, |
|
}, |
|
.caam.class1_alg_type = OP_ALG_ALGSEL_DES | OP_ALG_AAI_CBC, |
|
}, |
|
{ |
|
.skcipher = { |
|
.base = { |
|
.cra_name = "ctr(aes)", |
|
.cra_driver_name = "ctr-aes-caam-qi2", |
|
.cra_blocksize = 1, |
|
}, |
|
.setkey = ctr_skcipher_setkey, |
|
.encrypt = skcipher_encrypt, |
|
.decrypt = skcipher_decrypt, |
|
.min_keysize = AES_MIN_KEY_SIZE, |
|
.max_keysize = AES_MAX_KEY_SIZE, |
|
.ivsize = AES_BLOCK_SIZE, |
|
.chunksize = AES_BLOCK_SIZE, |
|
}, |
|
.caam.class1_alg_type = OP_ALG_ALGSEL_AES | |
|
OP_ALG_AAI_CTR_MOD128, |
|
}, |
|
{ |
|
.skcipher = { |
|
.base = { |
|
.cra_name = "rfc3686(ctr(aes))", |
|
.cra_driver_name = "rfc3686-ctr-aes-caam-qi2", |
|
.cra_blocksize = 1, |
|
}, |
|
.setkey = rfc3686_skcipher_setkey, |
|
.encrypt = skcipher_encrypt, |
|
.decrypt = skcipher_decrypt, |
|
.min_keysize = AES_MIN_KEY_SIZE + |
|
CTR_RFC3686_NONCE_SIZE, |
|
.max_keysize = AES_MAX_KEY_SIZE + |
|
CTR_RFC3686_NONCE_SIZE, |
|
.ivsize = CTR_RFC3686_IV_SIZE, |
|
.chunksize = AES_BLOCK_SIZE, |
|
}, |
|
.caam = { |
|
.class1_alg_type = OP_ALG_ALGSEL_AES | |
|
OP_ALG_AAI_CTR_MOD128, |
|
.rfc3686 = true, |
|
}, |
|
}, |
|
{ |
|
.skcipher = { |
|
.base = { |
|
.cra_name = "xts(aes)", |
|
.cra_driver_name = "xts-aes-caam-qi2", |
|
.cra_flags = CRYPTO_ALG_NEED_FALLBACK, |
|
.cra_blocksize = AES_BLOCK_SIZE, |
|
}, |
|
.setkey = xts_skcipher_setkey, |
|
.encrypt = skcipher_encrypt, |
|
.decrypt = skcipher_decrypt, |
|
.min_keysize = 2 * AES_MIN_KEY_SIZE, |
|
.max_keysize = 2 * AES_MAX_KEY_SIZE, |
|
.ivsize = AES_BLOCK_SIZE, |
|
}, |
|
.caam.class1_alg_type = OP_ALG_ALGSEL_AES | OP_ALG_AAI_XTS, |
|
}, |
|
{ |
|
.skcipher = { |
|
.base = { |
|
.cra_name = "chacha20", |
|
.cra_driver_name = "chacha20-caam-qi2", |
|
.cra_blocksize = 1, |
|
}, |
|
.setkey = chacha20_skcipher_setkey, |
|
.encrypt = skcipher_encrypt, |
|
.decrypt = skcipher_decrypt, |
|
.min_keysize = CHACHA_KEY_SIZE, |
|
.max_keysize = CHACHA_KEY_SIZE, |
|
.ivsize = CHACHA_IV_SIZE, |
|
}, |
|
.caam.class1_alg_type = OP_ALG_ALGSEL_CHACHA20, |
|
}, |
|
}; |
|
|
|
static struct caam_aead_alg driver_aeads[] = { |
|
{ |
|
.aead = { |
|
.base = { |
|
.cra_name = "rfc4106(gcm(aes))", |
|
.cra_driver_name = "rfc4106-gcm-aes-caam-qi2", |
|
.cra_blocksize = 1, |
|
}, |
|
.setkey = rfc4106_setkey, |
|
.setauthsize = rfc4106_setauthsize, |
|
.encrypt = ipsec_gcm_encrypt, |
|
.decrypt = ipsec_gcm_decrypt, |
|
.ivsize = 8, |
|
.maxauthsize = AES_BLOCK_SIZE, |
|
}, |
|
.caam = { |
|
.class1_alg_type = OP_ALG_ALGSEL_AES | OP_ALG_AAI_GCM, |
|
.nodkp = true, |
|
}, |
|
}, |
|
{ |
|
.aead = { |
|
.base = { |
|
.cra_name = "rfc4543(gcm(aes))", |
|
.cra_driver_name = "rfc4543-gcm-aes-caam-qi2", |
|
.cra_blocksize = 1, |
|
}, |
|
.setkey = rfc4543_setkey, |
|
.setauthsize = rfc4543_setauthsize, |
|
.encrypt = ipsec_gcm_encrypt, |
|
.decrypt = ipsec_gcm_decrypt, |
|
.ivsize = 8, |
|
.maxauthsize = AES_BLOCK_SIZE, |
|
}, |
|
.caam = { |
|
.class1_alg_type = OP_ALG_ALGSEL_AES | OP_ALG_AAI_GCM, |
|
.nodkp = true, |
|
}, |
|
}, |
|
/* Galois Counter Mode */ |
|
{ |
|
.aead = { |
|
.base = { |
|
.cra_name = "gcm(aes)", |
|
.cra_driver_name = "gcm-aes-caam-qi2", |
|
.cra_blocksize = 1, |
|
}, |
|
.setkey = gcm_setkey, |
|
.setauthsize = gcm_setauthsize, |
|
.encrypt = aead_encrypt, |
|
.decrypt = aead_decrypt, |
|
.ivsize = 12, |
|
.maxauthsize = AES_BLOCK_SIZE, |
|
}, |
|
.caam = { |
|
.class1_alg_type = OP_ALG_ALGSEL_AES | OP_ALG_AAI_GCM, |
|
.nodkp = true, |
|
} |
|
}, |
|
/* single-pass ipsec_esp descriptor */ |
|
{ |
|
.aead = { |
|
.base = { |
|
.cra_name = "authenc(hmac(md5),cbc(aes))", |
|
.cra_driver_name = "authenc-hmac-md5-" |
|
"cbc-aes-caam-qi2", |
|
.cra_blocksize = AES_BLOCK_SIZE, |
|
}, |
|
.setkey = aead_setkey, |
|
.setauthsize = aead_setauthsize, |
|
.encrypt = aead_encrypt, |
|
.decrypt = aead_decrypt, |
|
.ivsize = AES_BLOCK_SIZE, |
|
.maxauthsize = MD5_DIGEST_SIZE, |
|
}, |
|
.caam = { |
|
.class1_alg_type = OP_ALG_ALGSEL_AES | OP_ALG_AAI_CBC, |
|
.class2_alg_type = OP_ALG_ALGSEL_MD5 | |
|
OP_ALG_AAI_HMAC_PRECOMP, |
|
} |
|
}, |
|
{ |
|
.aead = { |
|
.base = { |
|
.cra_name = "echainiv(authenc(hmac(md5)," |
|
"cbc(aes)))", |
|
.cra_driver_name = "echainiv-authenc-hmac-md5-" |
|
"cbc-aes-caam-qi2", |
|
.cra_blocksize = AES_BLOCK_SIZE, |
|
}, |
|
.setkey = aead_setkey, |
|
.setauthsize = aead_setauthsize, |
|
.encrypt = aead_encrypt, |
|
.decrypt = aead_decrypt, |
|
.ivsize = AES_BLOCK_SIZE, |
|
.maxauthsize = MD5_DIGEST_SIZE, |
|
}, |
|
.caam = { |
|
.class1_alg_type = OP_ALG_ALGSEL_AES | OP_ALG_AAI_CBC, |
|
.class2_alg_type = OP_ALG_ALGSEL_MD5 | |
|
OP_ALG_AAI_HMAC_PRECOMP, |
|
.geniv = true, |
|
} |
|
}, |
|
{ |
|
.aead = { |
|
.base = { |
|
.cra_name = "authenc(hmac(sha1),cbc(aes))", |
|
.cra_driver_name = "authenc-hmac-sha1-" |
|
"cbc-aes-caam-qi2", |
|
.cra_blocksize = AES_BLOCK_SIZE, |
|
}, |
|
.setkey = aead_setkey, |
|
.setauthsize = aead_setauthsize, |
|
.encrypt = aead_encrypt, |
|
.decrypt = aead_decrypt, |
|
.ivsize = AES_BLOCK_SIZE, |
|
.maxauthsize = SHA1_DIGEST_SIZE, |
|
}, |
|
.caam = { |
|
.class1_alg_type = OP_ALG_ALGSEL_AES | OP_ALG_AAI_CBC, |
|
.class2_alg_type = OP_ALG_ALGSEL_SHA1 | |
|
OP_ALG_AAI_HMAC_PRECOMP, |
|
} |
|
}, |
|
{ |
|
.aead = { |
|
.base = { |
|
.cra_name = "echainiv(authenc(hmac(sha1)," |
|
"cbc(aes)))", |
|
.cra_driver_name = "echainiv-authenc-" |
|
"hmac-sha1-cbc-aes-caam-qi2", |
|
.cra_blocksize = AES_BLOCK_SIZE, |
|
}, |
|
.setkey = aead_setkey, |
|
.setauthsize = aead_setauthsize, |
|
.encrypt = aead_encrypt, |
|
.decrypt = aead_decrypt, |
|
.ivsize = AES_BLOCK_SIZE, |
|
.maxauthsize = SHA1_DIGEST_SIZE, |
|
}, |
|
.caam = { |
|
.class1_alg_type = OP_ALG_ALGSEL_AES | OP_ALG_AAI_CBC, |
|
.class2_alg_type = OP_ALG_ALGSEL_SHA1 | |
|
OP_ALG_AAI_HMAC_PRECOMP, |
|
.geniv = true, |
|
}, |
|
}, |
|
{ |
|
.aead = { |
|
.base = { |
|
.cra_name = "authenc(hmac(sha224),cbc(aes))", |
|
.cra_driver_name = "authenc-hmac-sha224-" |
|
"cbc-aes-caam-qi2", |
|
.cra_blocksize = AES_BLOCK_SIZE, |
|
}, |
|
.setkey = aead_setkey, |
|
.setauthsize = aead_setauthsize, |
|
.encrypt = aead_encrypt, |
|
.decrypt = aead_decrypt, |
|
.ivsize = AES_BLOCK_SIZE, |
|
.maxauthsize = SHA224_DIGEST_SIZE, |
|
}, |
|
.caam = { |
|
.class1_alg_type = OP_ALG_ALGSEL_AES | OP_ALG_AAI_CBC, |
|
.class2_alg_type = OP_ALG_ALGSEL_SHA224 | |
|
OP_ALG_AAI_HMAC_PRECOMP, |
|
} |
|
}, |
|
{ |
|
.aead = { |
|
.base = { |
|
.cra_name = "echainiv(authenc(hmac(sha224)," |
|
"cbc(aes)))", |
|
.cra_driver_name = "echainiv-authenc-" |
|
"hmac-sha224-cbc-aes-caam-qi2", |
|
.cra_blocksize = AES_BLOCK_SIZE, |
|
}, |
|
.setkey = aead_setkey, |
|
.setauthsize = aead_setauthsize, |
|
.encrypt = aead_encrypt, |
|
.decrypt = aead_decrypt, |
|
.ivsize = AES_BLOCK_SIZE, |
|
.maxauthsize = SHA224_DIGEST_SIZE, |
|
}, |
|
.caam = { |
|
.class1_alg_type = OP_ALG_ALGSEL_AES | OP_ALG_AAI_CBC, |
|
.class2_alg_type = OP_ALG_ALGSEL_SHA224 | |
|
OP_ALG_AAI_HMAC_PRECOMP, |
|
.geniv = true, |
|
} |
|
}, |
|
{ |
|
.aead = { |
|
.base = { |
|
.cra_name = "authenc(hmac(sha256),cbc(aes))", |
|
.cra_driver_name = "authenc-hmac-sha256-" |
|
"cbc-aes-caam-qi2", |
|
.cra_blocksize = AES_BLOCK_SIZE, |
|
}, |
|
.setkey = aead_setkey, |
|
.setauthsize = aead_setauthsize, |
|
.encrypt = aead_encrypt, |
|
.decrypt = aead_decrypt, |
|
.ivsize = AES_BLOCK_SIZE, |
|
.maxauthsize = SHA256_DIGEST_SIZE, |
|
}, |
|
.caam = { |
|
.class1_alg_type = OP_ALG_ALGSEL_AES | OP_ALG_AAI_CBC, |
|
.class2_alg_type = OP_ALG_ALGSEL_SHA256 | |
|
OP_ALG_AAI_HMAC_PRECOMP, |
|
} |
|
}, |
|
{ |
|
.aead = { |
|
.base = { |
|
.cra_name = "echainiv(authenc(hmac(sha256)," |
|
"cbc(aes)))", |
|
.cra_driver_name = "echainiv-authenc-" |
|
"hmac-sha256-cbc-aes-" |
|
"caam-qi2", |
|
.cra_blocksize = AES_BLOCK_SIZE, |
|
}, |
|
.setkey = aead_setkey, |
|
.setauthsize = aead_setauthsize, |
|
.encrypt = aead_encrypt, |
|
.decrypt = aead_decrypt, |
|
.ivsize = AES_BLOCK_SIZE, |
|
.maxauthsize = SHA256_DIGEST_SIZE, |
|
}, |
|
.caam = { |
|
.class1_alg_type = OP_ALG_ALGSEL_AES | OP_ALG_AAI_CBC, |
|
.class2_alg_type = OP_ALG_ALGSEL_SHA256 | |
|
OP_ALG_AAI_HMAC_PRECOMP, |
|
.geniv = true, |
|
} |
|
}, |
|
{ |
|
.aead = { |
|
.base = { |
|
.cra_name = "authenc(hmac(sha384),cbc(aes))", |
|
.cra_driver_name = "authenc-hmac-sha384-" |
|
"cbc-aes-caam-qi2", |
|
.cra_blocksize = AES_BLOCK_SIZE, |
|
}, |
|
.setkey = aead_setkey, |
|
.setauthsize = aead_setauthsize, |
|
.encrypt = aead_encrypt, |
|
.decrypt = aead_decrypt, |
|
.ivsize = AES_BLOCK_SIZE, |
|
.maxauthsize = SHA384_DIGEST_SIZE, |
|
}, |
|
.caam = { |
|
.class1_alg_type = OP_ALG_ALGSEL_AES | OP_ALG_AAI_CBC, |
|
.class2_alg_type = OP_ALG_ALGSEL_SHA384 | |
|
OP_ALG_AAI_HMAC_PRECOMP, |
|
} |
|
}, |
|
{ |
|
.aead = { |
|
.base = { |
|
.cra_name = "echainiv(authenc(hmac(sha384)," |
|
"cbc(aes)))", |
|
.cra_driver_name = "echainiv-authenc-" |
|
"hmac-sha384-cbc-aes-" |
|
"caam-qi2", |
|
.cra_blocksize = AES_BLOCK_SIZE, |
|
}, |
|
.setkey = aead_setkey, |
|
.setauthsize = aead_setauthsize, |
|
.encrypt = aead_encrypt, |
|
.decrypt = aead_decrypt, |
|
.ivsize = AES_BLOCK_SIZE, |
|
.maxauthsize = SHA384_DIGEST_SIZE, |
|
}, |
|
.caam = { |
|
.class1_alg_type = OP_ALG_ALGSEL_AES | OP_ALG_AAI_CBC, |
|
.class2_alg_type = OP_ALG_ALGSEL_SHA384 | |
|
OP_ALG_AAI_HMAC_PRECOMP, |
|
.geniv = true, |
|
} |
|
}, |
|
{ |
|
.aead = { |
|
.base = { |
|
.cra_name = "authenc(hmac(sha512),cbc(aes))", |
|
.cra_driver_name = "authenc-hmac-sha512-" |
|
"cbc-aes-caam-qi2", |
|
.cra_blocksize = AES_BLOCK_SIZE, |
|
}, |
|
.setkey = aead_setkey, |
|
.setauthsize = aead_setauthsize, |
|
.encrypt = aead_encrypt, |
|
.decrypt = aead_decrypt, |
|
.ivsize = AES_BLOCK_SIZE, |
|
.maxauthsize = SHA512_DIGEST_SIZE, |
|
}, |
|
.caam = { |
|
.class1_alg_type = OP_ALG_ALGSEL_AES | OP_ALG_AAI_CBC, |
|
.class2_alg_type = OP_ALG_ALGSEL_SHA512 | |
|
OP_ALG_AAI_HMAC_PRECOMP, |
|
} |
|
}, |
|
{ |
|
.aead = { |
|
.base = { |
|
.cra_name = "echainiv(authenc(hmac(sha512)," |
|
"cbc(aes)))", |
|
.cra_driver_name = "echainiv-authenc-" |
|
"hmac-sha512-cbc-aes-" |
|
"caam-qi2", |
|
.cra_blocksize = AES_BLOCK_SIZE, |
|
}, |
|
.setkey = aead_setkey, |
|
.setauthsize = aead_setauthsize, |
|
.encrypt = aead_encrypt, |
|
.decrypt = aead_decrypt, |
|
.ivsize = AES_BLOCK_SIZE, |
|
.maxauthsize = SHA512_DIGEST_SIZE, |
|
}, |
|
.caam = { |
|
.class1_alg_type = OP_ALG_ALGSEL_AES | OP_ALG_AAI_CBC, |
|
.class2_alg_type = OP_ALG_ALGSEL_SHA512 | |
|
OP_ALG_AAI_HMAC_PRECOMP, |
|
.geniv = true, |
|
} |
|
}, |
|
{ |
|
.aead = { |
|
.base = { |
|
.cra_name = "authenc(hmac(md5),cbc(des3_ede))", |
|
.cra_driver_name = "authenc-hmac-md5-" |
|
"cbc-des3_ede-caam-qi2", |
|
.cra_blocksize = DES3_EDE_BLOCK_SIZE, |
|
}, |
|
.setkey = des3_aead_setkey, |
|
.setauthsize = aead_setauthsize, |
|
.encrypt = aead_encrypt, |
|
.decrypt = aead_decrypt, |
|
.ivsize = DES3_EDE_BLOCK_SIZE, |
|
.maxauthsize = MD5_DIGEST_SIZE, |
|
}, |
|
.caam = { |
|
.class1_alg_type = OP_ALG_ALGSEL_3DES | OP_ALG_AAI_CBC, |
|
.class2_alg_type = OP_ALG_ALGSEL_MD5 | |
|
OP_ALG_AAI_HMAC_PRECOMP, |
|
} |
|
}, |
|
{ |
|
.aead = { |
|
.base = { |
|
.cra_name = "echainiv(authenc(hmac(md5)," |
|
"cbc(des3_ede)))", |
|
.cra_driver_name = "echainiv-authenc-hmac-md5-" |
|
"cbc-des3_ede-caam-qi2", |
|
.cra_blocksize = DES3_EDE_BLOCK_SIZE, |
|
}, |
|
.setkey = des3_aead_setkey, |
|
.setauthsize = aead_setauthsize, |
|
.encrypt = aead_encrypt, |
|
.decrypt = aead_decrypt, |
|
.ivsize = DES3_EDE_BLOCK_SIZE, |
|
.maxauthsize = MD5_DIGEST_SIZE, |
|
}, |
|
.caam = { |
|
.class1_alg_type = OP_ALG_ALGSEL_3DES | OP_ALG_AAI_CBC, |
|
.class2_alg_type = OP_ALG_ALGSEL_MD5 | |
|
OP_ALG_AAI_HMAC_PRECOMP, |
|
.geniv = true, |
|
} |
|
}, |
|
{ |
|
.aead = { |
|
.base = { |
|
.cra_name = "authenc(hmac(sha1)," |
|
"cbc(des3_ede))", |
|
.cra_driver_name = "authenc-hmac-sha1-" |
|
"cbc-des3_ede-caam-qi2", |
|
.cra_blocksize = DES3_EDE_BLOCK_SIZE, |
|
}, |
|
.setkey = des3_aead_setkey, |
|
.setauthsize = aead_setauthsize, |
|
.encrypt = aead_encrypt, |
|
.decrypt = aead_decrypt, |
|
.ivsize = DES3_EDE_BLOCK_SIZE, |
|
.maxauthsize = SHA1_DIGEST_SIZE, |
|
}, |
|
.caam = { |
|
.class1_alg_type = OP_ALG_ALGSEL_3DES | OP_ALG_AAI_CBC, |
|
.class2_alg_type = OP_ALG_ALGSEL_SHA1 | |
|
OP_ALG_AAI_HMAC_PRECOMP, |
|
}, |
|
}, |
|
{ |
|
.aead = { |
|
.base = { |
|
.cra_name = "echainiv(authenc(hmac(sha1)," |
|
"cbc(des3_ede)))", |
|
.cra_driver_name = "echainiv-authenc-" |
|
"hmac-sha1-" |
|
"cbc-des3_ede-caam-qi2", |
|
.cra_blocksize = DES3_EDE_BLOCK_SIZE, |
|
}, |
|
.setkey = des3_aead_setkey, |
|
.setauthsize = aead_setauthsize, |
|
.encrypt = aead_encrypt, |
|
.decrypt = aead_decrypt, |
|
.ivsize = DES3_EDE_BLOCK_SIZE, |
|
.maxauthsize = SHA1_DIGEST_SIZE, |
|
}, |
|
.caam = { |
|
.class1_alg_type = OP_ALG_ALGSEL_3DES | OP_ALG_AAI_CBC, |
|
.class2_alg_type = OP_ALG_ALGSEL_SHA1 | |
|
OP_ALG_AAI_HMAC_PRECOMP, |
|
.geniv = true, |
|
} |
|
}, |
|
{ |
|
.aead = { |
|
.base = { |
|
.cra_name = "authenc(hmac(sha224)," |
|
"cbc(des3_ede))", |
|
.cra_driver_name = "authenc-hmac-sha224-" |
|
"cbc-des3_ede-caam-qi2", |
|
.cra_blocksize = DES3_EDE_BLOCK_SIZE, |
|
}, |
|
.setkey = des3_aead_setkey, |
|
.setauthsize = aead_setauthsize, |
|
.encrypt = aead_encrypt, |
|
.decrypt = aead_decrypt, |
|
.ivsize = DES3_EDE_BLOCK_SIZE, |
|
.maxauthsize = SHA224_DIGEST_SIZE, |
|
}, |
|
.caam = { |
|
.class1_alg_type = OP_ALG_ALGSEL_3DES | OP_ALG_AAI_CBC, |
|
.class2_alg_type = OP_ALG_ALGSEL_SHA224 | |
|
OP_ALG_AAI_HMAC_PRECOMP, |
|
}, |
|
}, |
|
{ |
|
.aead = { |
|
.base = { |
|
.cra_name = "echainiv(authenc(hmac(sha224)," |
|
"cbc(des3_ede)))", |
|
.cra_driver_name = "echainiv-authenc-" |
|
"hmac-sha224-" |
|
"cbc-des3_ede-caam-qi2", |
|
.cra_blocksize = DES3_EDE_BLOCK_SIZE, |
|
}, |
|
.setkey = des3_aead_setkey, |
|
.setauthsize = aead_setauthsize, |
|
.encrypt = aead_encrypt, |
|
.decrypt = aead_decrypt, |
|
.ivsize = DES3_EDE_BLOCK_SIZE, |
|
.maxauthsize = SHA224_DIGEST_SIZE, |
|
}, |
|
.caam = { |
|
.class1_alg_type = OP_ALG_ALGSEL_3DES | OP_ALG_AAI_CBC, |
|
.class2_alg_type = OP_ALG_ALGSEL_SHA224 | |
|
OP_ALG_AAI_HMAC_PRECOMP, |
|
.geniv = true, |
|
} |
|
}, |
|
{ |
|
.aead = { |
|
.base = { |
|
.cra_name = "authenc(hmac(sha256)," |
|
"cbc(des3_ede))", |
|
.cra_driver_name = "authenc-hmac-sha256-" |
|
"cbc-des3_ede-caam-qi2", |
|
.cra_blocksize = DES3_EDE_BLOCK_SIZE, |
|
}, |
|
.setkey = des3_aead_setkey, |
|
.setauthsize = aead_setauthsize, |
|
.encrypt = aead_encrypt, |
|
.decrypt = aead_decrypt, |
|
.ivsize = DES3_EDE_BLOCK_SIZE, |
|
.maxauthsize = SHA256_DIGEST_SIZE, |
|
}, |
|
.caam = { |
|
.class1_alg_type = OP_ALG_ALGSEL_3DES | OP_ALG_AAI_CBC, |
|
.class2_alg_type = OP_ALG_ALGSEL_SHA256 | |
|
OP_ALG_AAI_HMAC_PRECOMP, |
|
}, |
|
}, |
|
{ |
|
.aead = { |
|
.base = { |
|
.cra_name = "echainiv(authenc(hmac(sha256)," |
|
"cbc(des3_ede)))", |
|
.cra_driver_name = "echainiv-authenc-" |
|
"hmac-sha256-" |
|
"cbc-des3_ede-caam-qi2", |
|
.cra_blocksize = DES3_EDE_BLOCK_SIZE, |
|
}, |
|
.setkey = des3_aead_setkey, |
|
.setauthsize = aead_setauthsize, |
|
.encrypt = aead_encrypt, |
|
.decrypt = aead_decrypt, |
|
.ivsize = DES3_EDE_BLOCK_SIZE, |
|
.maxauthsize = SHA256_DIGEST_SIZE, |
|
}, |
|
.caam = { |
|
.class1_alg_type = OP_ALG_ALGSEL_3DES | OP_ALG_AAI_CBC, |
|
.class2_alg_type = OP_ALG_ALGSEL_SHA256 | |
|
OP_ALG_AAI_HMAC_PRECOMP, |
|
.geniv = true, |
|
} |
|
}, |
|
{ |
|
.aead = { |
|
.base = { |
|
.cra_name = "authenc(hmac(sha384)," |
|
"cbc(des3_ede))", |
|
.cra_driver_name = "authenc-hmac-sha384-" |
|
"cbc-des3_ede-caam-qi2", |
|
.cra_blocksize = DES3_EDE_BLOCK_SIZE, |
|
}, |
|
.setkey = des3_aead_setkey, |
|
.setauthsize = aead_setauthsize, |
|
.encrypt = aead_encrypt, |
|
.decrypt = aead_decrypt, |
|
.ivsize = DES3_EDE_BLOCK_SIZE, |
|
.maxauthsize = SHA384_DIGEST_SIZE, |
|
}, |
|
.caam = { |
|
.class1_alg_type = OP_ALG_ALGSEL_3DES | OP_ALG_AAI_CBC, |
|
.class2_alg_type = OP_ALG_ALGSEL_SHA384 | |
|
OP_ALG_AAI_HMAC_PRECOMP, |
|
}, |
|
}, |
|
{ |
|
.aead = { |
|
.base = { |
|
.cra_name = "echainiv(authenc(hmac(sha384)," |
|
"cbc(des3_ede)))", |
|
.cra_driver_name = "echainiv-authenc-" |
|
"hmac-sha384-" |
|
"cbc-des3_ede-caam-qi2", |
|
.cra_blocksize = DES3_EDE_BLOCK_SIZE, |
|
}, |
|
.setkey = des3_aead_setkey, |
|
.setauthsize = aead_setauthsize, |
|
.encrypt = aead_encrypt, |
|
.decrypt = aead_decrypt, |
|
.ivsize = DES3_EDE_BLOCK_SIZE, |
|
.maxauthsize = SHA384_DIGEST_SIZE, |
|
}, |
|
.caam = { |
|
.class1_alg_type = OP_ALG_ALGSEL_3DES | OP_ALG_AAI_CBC, |
|
.class2_alg_type = OP_ALG_ALGSEL_SHA384 | |
|
OP_ALG_AAI_HMAC_PRECOMP, |
|
.geniv = true, |
|
} |
|
}, |
|
{ |
|
.aead = { |
|
.base = { |
|
.cra_name = "authenc(hmac(sha512)," |
|
"cbc(des3_ede))", |
|
.cra_driver_name = "authenc-hmac-sha512-" |
|
"cbc-des3_ede-caam-qi2", |
|
.cra_blocksize = DES3_EDE_BLOCK_SIZE, |
|
}, |
|
.setkey = des3_aead_setkey, |
|
.setauthsize = aead_setauthsize, |
|
.encrypt = aead_encrypt, |
|
.decrypt = aead_decrypt, |
|
.ivsize = DES3_EDE_BLOCK_SIZE, |
|
.maxauthsize = SHA512_DIGEST_SIZE, |
|
}, |
|
.caam = { |
|
.class1_alg_type = OP_ALG_ALGSEL_3DES | OP_ALG_AAI_CBC, |
|
.class2_alg_type = OP_ALG_ALGSEL_SHA512 | |
|
OP_ALG_AAI_HMAC_PRECOMP, |
|
}, |
|
}, |
|
{ |
|
.aead = { |
|
.base = { |
|
.cra_name = "echainiv(authenc(hmac(sha512)," |
|
"cbc(des3_ede)))", |
|
.cra_driver_name = "echainiv-authenc-" |
|
"hmac-sha512-" |
|
"cbc-des3_ede-caam-qi2", |
|
.cra_blocksize = DES3_EDE_BLOCK_SIZE, |
|
}, |
|
.setkey = des3_aead_setkey, |
|
.setauthsize = aead_setauthsize, |
|
.encrypt = aead_encrypt, |
|
.decrypt = aead_decrypt, |
|
.ivsize = DES3_EDE_BLOCK_SIZE, |
|
.maxauthsize = SHA512_DIGEST_SIZE, |
|
}, |
|
.caam = { |
|
.class1_alg_type = OP_ALG_ALGSEL_3DES | OP_ALG_AAI_CBC, |
|
.class2_alg_type = OP_ALG_ALGSEL_SHA512 | |
|
OP_ALG_AAI_HMAC_PRECOMP, |
|
.geniv = true, |
|
} |
|
}, |
|
{ |
|
.aead = { |
|
.base = { |
|
.cra_name = "authenc(hmac(md5),cbc(des))", |
|
.cra_driver_name = "authenc-hmac-md5-" |
|
"cbc-des-caam-qi2", |
|
.cra_blocksize = DES_BLOCK_SIZE, |
|
}, |
|
.setkey = aead_setkey, |
|
.setauthsize = aead_setauthsize, |
|
.encrypt = aead_encrypt, |
|
.decrypt = aead_decrypt, |
|
.ivsize = DES_BLOCK_SIZE, |
|
.maxauthsize = MD5_DIGEST_SIZE, |
|
}, |
|
.caam = { |
|
.class1_alg_type = OP_ALG_ALGSEL_DES | OP_ALG_AAI_CBC, |
|
.class2_alg_type = OP_ALG_ALGSEL_MD5 | |
|
OP_ALG_AAI_HMAC_PRECOMP, |
|
}, |
|
}, |
|
{ |
|
.aead = { |
|
.base = { |
|
.cra_name = "echainiv(authenc(hmac(md5)," |
|
"cbc(des)))", |
|
.cra_driver_name = "echainiv-authenc-hmac-md5-" |
|
"cbc-des-caam-qi2", |
|
.cra_blocksize = DES_BLOCK_SIZE, |
|
}, |
|
.setkey = aead_setkey, |
|
.setauthsize = aead_setauthsize, |
|
.encrypt = aead_encrypt, |
|
.decrypt = aead_decrypt, |
|
.ivsize = DES_BLOCK_SIZE, |
|
.maxauthsize = MD5_DIGEST_SIZE, |
|
}, |
|
.caam = { |
|
.class1_alg_type = OP_ALG_ALGSEL_DES | OP_ALG_AAI_CBC, |
|
.class2_alg_type = OP_ALG_ALGSEL_MD5 | |
|
OP_ALG_AAI_HMAC_PRECOMP, |
|
.geniv = true, |
|
} |
|
}, |
|
{ |
|
.aead = { |
|
.base = { |
|
.cra_name = "authenc(hmac(sha1),cbc(des))", |
|
.cra_driver_name = "authenc-hmac-sha1-" |
|
"cbc-des-caam-qi2", |
|
.cra_blocksize = DES_BLOCK_SIZE, |
|
}, |
|
.setkey = aead_setkey, |
|
.setauthsize = aead_setauthsize, |
|
.encrypt = aead_encrypt, |
|
.decrypt = aead_decrypt, |
|
.ivsize = DES_BLOCK_SIZE, |
|
.maxauthsize = SHA1_DIGEST_SIZE, |
|
}, |
|
.caam = { |
|
.class1_alg_type = OP_ALG_ALGSEL_DES | OP_ALG_AAI_CBC, |
|
.class2_alg_type = OP_ALG_ALGSEL_SHA1 | |
|
OP_ALG_AAI_HMAC_PRECOMP, |
|
}, |
|
}, |
|
{ |
|
.aead = { |
|
.base = { |
|
.cra_name = "echainiv(authenc(hmac(sha1)," |
|
"cbc(des)))", |
|
.cra_driver_name = "echainiv-authenc-" |
|
"hmac-sha1-cbc-des-caam-qi2", |
|
.cra_blocksize = DES_BLOCK_SIZE, |
|
}, |
|
.setkey = aead_setkey, |
|
.setauthsize = aead_setauthsize, |
|
.encrypt = aead_encrypt, |
|
.decrypt = aead_decrypt, |
|
.ivsize = DES_BLOCK_SIZE, |
|
.maxauthsize = SHA1_DIGEST_SIZE, |
|
}, |
|
.caam = { |
|
.class1_alg_type = OP_ALG_ALGSEL_DES | OP_ALG_AAI_CBC, |
|
.class2_alg_type = OP_ALG_ALGSEL_SHA1 | |
|
OP_ALG_AAI_HMAC_PRECOMP, |
|
.geniv = true, |
|
} |
|
}, |
|
{ |
|
.aead = { |
|
.base = { |
|
.cra_name = "authenc(hmac(sha224),cbc(des))", |
|
.cra_driver_name = "authenc-hmac-sha224-" |
|
"cbc-des-caam-qi2", |
|
.cra_blocksize = DES_BLOCK_SIZE, |
|
}, |
|
.setkey = aead_setkey, |
|
.setauthsize = aead_setauthsize, |
|
.encrypt = aead_encrypt, |
|
.decrypt = aead_decrypt, |
|
.ivsize = DES_BLOCK_SIZE, |
|
.maxauthsize = SHA224_DIGEST_SIZE, |
|
}, |
|
.caam = { |
|
.class1_alg_type = OP_ALG_ALGSEL_DES | OP_ALG_AAI_CBC, |
|
.class2_alg_type = OP_ALG_ALGSEL_SHA224 | |
|
OP_ALG_AAI_HMAC_PRECOMP, |
|
}, |
|
}, |
|
{ |
|
.aead = { |
|
.base = { |
|
.cra_name = "echainiv(authenc(hmac(sha224)," |
|
"cbc(des)))", |
|
.cra_driver_name = "echainiv-authenc-" |
|
"hmac-sha224-cbc-des-" |
|
"caam-qi2", |
|
.cra_blocksize = DES_BLOCK_SIZE, |
|
}, |
|
.setkey = aead_setkey, |
|
.setauthsize = aead_setauthsize, |
|
.encrypt = aead_encrypt, |
|
.decrypt = aead_decrypt, |
|
.ivsize = DES_BLOCK_SIZE, |
|
.maxauthsize = SHA224_DIGEST_SIZE, |
|
}, |
|
.caam = { |
|
.class1_alg_type = OP_ALG_ALGSEL_DES | OP_ALG_AAI_CBC, |
|
.class2_alg_type = OP_ALG_ALGSEL_SHA224 | |
|
OP_ALG_AAI_HMAC_PRECOMP, |
|
.geniv = true, |
|
} |
|
}, |
|
{ |
|
.aead = { |
|
.base = { |
|
.cra_name = "authenc(hmac(sha256),cbc(des))", |
|
.cra_driver_name = "authenc-hmac-sha256-" |
|
"cbc-des-caam-qi2", |
|
.cra_blocksize = DES_BLOCK_SIZE, |
|
}, |
|
.setkey = aead_setkey, |
|
.setauthsize = aead_setauthsize, |
|
.encrypt = aead_encrypt, |
|
.decrypt = aead_decrypt, |
|
.ivsize = DES_BLOCK_SIZE, |
|
.maxauthsize = SHA256_DIGEST_SIZE, |
|
}, |
|
.caam = { |
|
.class1_alg_type = OP_ALG_ALGSEL_DES | OP_ALG_AAI_CBC, |
|
.class2_alg_type = OP_ALG_ALGSEL_SHA256 | |
|
OP_ALG_AAI_HMAC_PRECOMP, |
|
}, |
|
}, |
|
{ |
|
.aead = { |
|
.base = { |
|
.cra_name = "echainiv(authenc(hmac(sha256)," |
|
"cbc(des)))", |
|
.cra_driver_name = "echainiv-authenc-" |
|
"hmac-sha256-cbc-des-" |
|
"caam-qi2", |
|
.cra_blocksize = DES_BLOCK_SIZE, |
|
}, |
|
.setkey = aead_setkey, |
|
.setauthsize = aead_setauthsize, |
|
.encrypt = aead_encrypt, |
|
.decrypt = aead_decrypt, |
|
.ivsize = DES_BLOCK_SIZE, |
|
.maxauthsize = SHA256_DIGEST_SIZE, |
|
}, |
|
.caam = { |
|
.class1_alg_type = OP_ALG_ALGSEL_DES | OP_ALG_AAI_CBC, |
|
.class2_alg_type = OP_ALG_ALGSEL_SHA256 | |
|
OP_ALG_AAI_HMAC_PRECOMP, |
|
.geniv = true, |
|
}, |
|
}, |
|
{ |
|
.aead = { |
|
.base = { |
|
.cra_name = "authenc(hmac(sha384),cbc(des))", |
|
.cra_driver_name = "authenc-hmac-sha384-" |
|
"cbc-des-caam-qi2", |
|
.cra_blocksize = DES_BLOCK_SIZE, |
|
}, |
|
.setkey = aead_setkey, |
|
.setauthsize = aead_setauthsize, |
|
.encrypt = aead_encrypt, |
|
.decrypt = aead_decrypt, |
|
.ivsize = DES_BLOCK_SIZE, |
|
.maxauthsize = SHA384_DIGEST_SIZE, |
|
}, |
|
.caam = { |
|
.class1_alg_type = OP_ALG_ALGSEL_DES | OP_ALG_AAI_CBC, |
|
.class2_alg_type = OP_ALG_ALGSEL_SHA384 | |
|
OP_ALG_AAI_HMAC_PRECOMP, |
|
}, |
|
}, |
|
{ |
|
.aead = { |
|
.base = { |
|
.cra_name = "echainiv(authenc(hmac(sha384)," |
|
"cbc(des)))", |
|
.cra_driver_name = "echainiv-authenc-" |
|
"hmac-sha384-cbc-des-" |
|
"caam-qi2", |
|
.cra_blocksize = DES_BLOCK_SIZE, |
|
}, |
|
.setkey = aead_setkey, |
|
.setauthsize = aead_setauthsize, |
|
.encrypt = aead_encrypt, |
|
.decrypt = aead_decrypt, |
|
.ivsize = DES_BLOCK_SIZE, |
|
.maxauthsize = SHA384_DIGEST_SIZE, |
|
}, |
|
.caam = { |
|
.class1_alg_type = OP_ALG_ALGSEL_DES | OP_ALG_AAI_CBC, |
|
.class2_alg_type = OP_ALG_ALGSEL_SHA384 | |
|
OP_ALG_AAI_HMAC_PRECOMP, |
|
.geniv = true, |
|
} |
|
}, |
|
{ |
|
.aead = { |
|
.base = { |
|
.cra_name = "authenc(hmac(sha512),cbc(des))", |
|
.cra_driver_name = "authenc-hmac-sha512-" |
|
"cbc-des-caam-qi2", |
|
.cra_blocksize = DES_BLOCK_SIZE, |
|
}, |
|
.setkey = aead_setkey, |
|
.setauthsize = aead_setauthsize, |
|
.encrypt = aead_encrypt, |
|
.decrypt = aead_decrypt, |
|
.ivsize = DES_BLOCK_SIZE, |
|
.maxauthsize = SHA512_DIGEST_SIZE, |
|
}, |
|
.caam = { |
|
.class1_alg_type = OP_ALG_ALGSEL_DES | OP_ALG_AAI_CBC, |
|
.class2_alg_type = OP_ALG_ALGSEL_SHA512 | |
|
OP_ALG_AAI_HMAC_PRECOMP, |
|
} |
|
}, |
|
{ |
|
.aead = { |
|
.base = { |
|
.cra_name = "echainiv(authenc(hmac(sha512)," |
|
"cbc(des)))", |
|
.cra_driver_name = "echainiv-authenc-" |
|
"hmac-sha512-cbc-des-" |
|
"caam-qi2", |
|
.cra_blocksize = DES_BLOCK_SIZE, |
|
}, |
|
.setkey = aead_setkey, |
|
.setauthsize = aead_setauthsize, |
|
.encrypt = aead_encrypt, |
|
.decrypt = aead_decrypt, |
|
.ivsize = DES_BLOCK_SIZE, |
|
.maxauthsize = SHA512_DIGEST_SIZE, |
|
}, |
|
.caam = { |
|
.class1_alg_type = OP_ALG_ALGSEL_DES | OP_ALG_AAI_CBC, |
|
.class2_alg_type = OP_ALG_ALGSEL_SHA512 | |
|
OP_ALG_AAI_HMAC_PRECOMP, |
|
.geniv = true, |
|
} |
|
}, |
|
{ |
|
.aead = { |
|
.base = { |
|
.cra_name = "authenc(hmac(md5)," |
|
"rfc3686(ctr(aes)))", |
|
.cra_driver_name = "authenc-hmac-md5-" |
|
"rfc3686-ctr-aes-caam-qi2", |
|
.cra_blocksize = 1, |
|
}, |
|
.setkey = aead_setkey, |
|
.setauthsize = aead_setauthsize, |
|
.encrypt = aead_encrypt, |
|
.decrypt = aead_decrypt, |
|
.ivsize = CTR_RFC3686_IV_SIZE, |
|
.maxauthsize = MD5_DIGEST_SIZE, |
|
}, |
|
.caam = { |
|
.class1_alg_type = OP_ALG_ALGSEL_AES | |
|
OP_ALG_AAI_CTR_MOD128, |
|
.class2_alg_type = OP_ALG_ALGSEL_MD5 | |
|
OP_ALG_AAI_HMAC_PRECOMP, |
|
.rfc3686 = true, |
|
}, |
|
}, |
|
{ |
|
.aead = { |
|
.base = { |
|
.cra_name = "seqiv(authenc(" |
|
"hmac(md5),rfc3686(ctr(aes))))", |
|
.cra_driver_name = "seqiv-authenc-hmac-md5-" |
|
"rfc3686-ctr-aes-caam-qi2", |
|
.cra_blocksize = 1, |
|
}, |
|
.setkey = aead_setkey, |
|
.setauthsize = aead_setauthsize, |
|
.encrypt = aead_encrypt, |
|
.decrypt = aead_decrypt, |
|
.ivsize = CTR_RFC3686_IV_SIZE, |
|
.maxauthsize = MD5_DIGEST_SIZE, |
|
}, |
|
.caam = { |
|
.class1_alg_type = OP_ALG_ALGSEL_AES | |
|
OP_ALG_AAI_CTR_MOD128, |
|
.class2_alg_type = OP_ALG_ALGSEL_MD5 | |
|
OP_ALG_AAI_HMAC_PRECOMP, |
|
.rfc3686 = true, |
|
.geniv = true, |
|
}, |
|
}, |
|
{ |
|
.aead = { |
|
.base = { |
|
.cra_name = "authenc(hmac(sha1)," |
|
"rfc3686(ctr(aes)))", |
|
.cra_driver_name = "authenc-hmac-sha1-" |
|
"rfc3686-ctr-aes-caam-qi2", |
|
.cra_blocksize = 1, |
|
}, |
|
.setkey = aead_setkey, |
|
.setauthsize = aead_setauthsize, |
|
.encrypt = aead_encrypt, |
|
.decrypt = aead_decrypt, |
|
.ivsize = CTR_RFC3686_IV_SIZE, |
|
.maxauthsize = SHA1_DIGEST_SIZE, |
|
}, |
|
.caam = { |
|
.class1_alg_type = OP_ALG_ALGSEL_AES | |
|
OP_ALG_AAI_CTR_MOD128, |
|
.class2_alg_type = OP_ALG_ALGSEL_SHA1 | |
|
OP_ALG_AAI_HMAC_PRECOMP, |
|
.rfc3686 = true, |
|
}, |
|
}, |
|
{ |
|
.aead = { |
|
.base = { |
|
.cra_name = "seqiv(authenc(" |
|
"hmac(sha1),rfc3686(ctr(aes))))", |
|
.cra_driver_name = "seqiv-authenc-hmac-sha1-" |
|
"rfc3686-ctr-aes-caam-qi2", |
|
.cra_blocksize = 1, |
|
}, |
|
.setkey = aead_setkey, |
|
.setauthsize = aead_setauthsize, |
|
.encrypt = aead_encrypt, |
|
.decrypt = aead_decrypt, |
|
.ivsize = CTR_RFC3686_IV_SIZE, |
|
.maxauthsize = SHA1_DIGEST_SIZE, |
|
}, |
|
.caam = { |
|
.class1_alg_type = OP_ALG_ALGSEL_AES | |
|
OP_ALG_AAI_CTR_MOD128, |
|
.class2_alg_type = OP_ALG_ALGSEL_SHA1 | |
|
OP_ALG_AAI_HMAC_PRECOMP, |
|
.rfc3686 = true, |
|
.geniv = true, |
|
}, |
|
}, |
|
{ |
|
.aead = { |
|
.base = { |
|
.cra_name = "authenc(hmac(sha224)," |
|
"rfc3686(ctr(aes)))", |
|
.cra_driver_name = "authenc-hmac-sha224-" |
|
"rfc3686-ctr-aes-caam-qi2", |
|
.cra_blocksize = 1, |
|
}, |
|
.setkey = aead_setkey, |
|
.setauthsize = aead_setauthsize, |
|
.encrypt = aead_encrypt, |
|
.decrypt = aead_decrypt, |
|
.ivsize = CTR_RFC3686_IV_SIZE, |
|
.maxauthsize = SHA224_DIGEST_SIZE, |
|
}, |
|
.caam = { |
|
.class1_alg_type = OP_ALG_ALGSEL_AES | |
|
OP_ALG_AAI_CTR_MOD128, |
|
.class2_alg_type = OP_ALG_ALGSEL_SHA224 | |
|
OP_ALG_AAI_HMAC_PRECOMP, |
|
.rfc3686 = true, |
|
}, |
|
}, |
|
{ |
|
.aead = { |
|
.base = { |
|
.cra_name = "seqiv(authenc(" |
|
"hmac(sha224),rfc3686(ctr(aes))))", |
|
.cra_driver_name = "seqiv-authenc-hmac-sha224-" |
|
"rfc3686-ctr-aes-caam-qi2", |
|
.cra_blocksize = 1, |
|
}, |
|
.setkey = aead_setkey, |
|
.setauthsize = aead_setauthsize, |
|
.encrypt = aead_encrypt, |
|
.decrypt = aead_decrypt, |
|
.ivsize = CTR_RFC3686_IV_SIZE, |
|
.maxauthsize = SHA224_DIGEST_SIZE, |
|
}, |
|
.caam = { |
|
.class1_alg_type = OP_ALG_ALGSEL_AES | |
|
OP_ALG_AAI_CTR_MOD128, |
|
.class2_alg_type = OP_ALG_ALGSEL_SHA224 | |
|
OP_ALG_AAI_HMAC_PRECOMP, |
|
.rfc3686 = true, |
|
.geniv = true, |
|
}, |
|
}, |
|
{ |
|
.aead = { |
|
.base = { |
|
.cra_name = "authenc(hmac(sha256)," |
|
"rfc3686(ctr(aes)))", |
|
.cra_driver_name = "authenc-hmac-sha256-" |
|
"rfc3686-ctr-aes-caam-qi2", |
|
.cra_blocksize = 1, |
|
}, |
|
.setkey = aead_setkey, |
|
.setauthsize = aead_setauthsize, |
|
.encrypt = aead_encrypt, |
|
.decrypt = aead_decrypt, |
|
.ivsize = CTR_RFC3686_IV_SIZE, |
|
.maxauthsize = SHA256_DIGEST_SIZE, |
|
}, |
|
.caam = { |
|
.class1_alg_type = OP_ALG_ALGSEL_AES | |
|
OP_ALG_AAI_CTR_MOD128, |
|
.class2_alg_type = OP_ALG_ALGSEL_SHA256 | |
|
OP_ALG_AAI_HMAC_PRECOMP, |
|
.rfc3686 = true, |
|
}, |
|
}, |
|
{ |
|
.aead = { |
|
.base = { |
|
.cra_name = "seqiv(authenc(hmac(sha256)," |
|
"rfc3686(ctr(aes))))", |
|
.cra_driver_name = "seqiv-authenc-hmac-sha256-" |
|
"rfc3686-ctr-aes-caam-qi2", |
|
.cra_blocksize = 1, |
|
}, |
|
.setkey = aead_setkey, |
|
.setauthsize = aead_setauthsize, |
|
.encrypt = aead_encrypt, |
|
.decrypt = aead_decrypt, |
|
.ivsize = CTR_RFC3686_IV_SIZE, |
|
.maxauthsize = SHA256_DIGEST_SIZE, |
|
}, |
|
.caam = { |
|
.class1_alg_type = OP_ALG_ALGSEL_AES | |
|
OP_ALG_AAI_CTR_MOD128, |
|
.class2_alg_type = OP_ALG_ALGSEL_SHA256 | |
|
OP_ALG_AAI_HMAC_PRECOMP, |
|
.rfc3686 = true, |
|
.geniv = true, |
|
}, |
|
}, |
|
{ |
|
.aead = { |
|
.base = { |
|
.cra_name = "authenc(hmac(sha384)," |
|
"rfc3686(ctr(aes)))", |
|
.cra_driver_name = "authenc-hmac-sha384-" |
|
"rfc3686-ctr-aes-caam-qi2", |
|
.cra_blocksize = 1, |
|
}, |
|
.setkey = aead_setkey, |
|
.setauthsize = aead_setauthsize, |
|
.encrypt = aead_encrypt, |
|
.decrypt = aead_decrypt, |
|
.ivsize = CTR_RFC3686_IV_SIZE, |
|
.maxauthsize = SHA384_DIGEST_SIZE, |
|
}, |
|
.caam = { |
|
.class1_alg_type = OP_ALG_ALGSEL_AES | |
|
OP_ALG_AAI_CTR_MOD128, |
|
.class2_alg_type = OP_ALG_ALGSEL_SHA384 | |
|
OP_ALG_AAI_HMAC_PRECOMP, |
|
.rfc3686 = true, |
|
}, |
|
}, |
|
{ |
|
.aead = { |
|
.base = { |
|
.cra_name = "seqiv(authenc(hmac(sha384)," |
|
"rfc3686(ctr(aes))))", |
|
.cra_driver_name = "seqiv-authenc-hmac-sha384-" |
|
"rfc3686-ctr-aes-caam-qi2", |
|
.cra_blocksize = 1, |
|
}, |
|
.setkey = aead_setkey, |
|
.setauthsize = aead_setauthsize, |
|
.encrypt = aead_encrypt, |
|
.decrypt = aead_decrypt, |
|
.ivsize = CTR_RFC3686_IV_SIZE, |
|
.maxauthsize = SHA384_DIGEST_SIZE, |
|
}, |
|
.caam = { |
|
.class1_alg_type = OP_ALG_ALGSEL_AES | |
|
OP_ALG_AAI_CTR_MOD128, |
|
.class2_alg_type = OP_ALG_ALGSEL_SHA384 | |
|
OP_ALG_AAI_HMAC_PRECOMP, |
|
.rfc3686 = true, |
|
.geniv = true, |
|
}, |
|
}, |
|
{ |
|
.aead = { |
|
.base = { |
|
.cra_name = "rfc7539(chacha20,poly1305)", |
|
.cra_driver_name = "rfc7539-chacha20-poly1305-" |
|
"caam-qi2", |
|
.cra_blocksize = 1, |
|
}, |
|
.setkey = chachapoly_setkey, |
|
.setauthsize = chachapoly_setauthsize, |
|
.encrypt = aead_encrypt, |
|
.decrypt = aead_decrypt, |
|
.ivsize = CHACHAPOLY_IV_SIZE, |
|
.maxauthsize = POLY1305_DIGEST_SIZE, |
|
}, |
|
.caam = { |
|
.class1_alg_type = OP_ALG_ALGSEL_CHACHA20 | |
|
OP_ALG_AAI_AEAD, |
|
.class2_alg_type = OP_ALG_ALGSEL_POLY1305 | |
|
OP_ALG_AAI_AEAD, |
|
.nodkp = true, |
|
}, |
|
}, |
|
{ |
|
.aead = { |
|
.base = { |
|
.cra_name = "rfc7539esp(chacha20,poly1305)", |
|
.cra_driver_name = "rfc7539esp-chacha20-" |
|
"poly1305-caam-qi2", |
|
.cra_blocksize = 1, |
|
}, |
|
.setkey = chachapoly_setkey, |
|
.setauthsize = chachapoly_setauthsize, |
|
.encrypt = aead_encrypt, |
|
.decrypt = aead_decrypt, |
|
.ivsize = 8, |
|
.maxauthsize = POLY1305_DIGEST_SIZE, |
|
}, |
|
.caam = { |
|
.class1_alg_type = OP_ALG_ALGSEL_CHACHA20 | |
|
OP_ALG_AAI_AEAD, |
|
.class2_alg_type = OP_ALG_ALGSEL_POLY1305 | |
|
OP_ALG_AAI_AEAD, |
|
.nodkp = true, |
|
}, |
|
}, |
|
{ |
|
.aead = { |
|
.base = { |
|
.cra_name = "authenc(hmac(sha512)," |
|
"rfc3686(ctr(aes)))", |
|
.cra_driver_name = "authenc-hmac-sha512-" |
|
"rfc3686-ctr-aes-caam-qi2", |
|
.cra_blocksize = 1, |
|
}, |
|
.setkey = aead_setkey, |
|
.setauthsize = aead_setauthsize, |
|
.encrypt = aead_encrypt, |
|
.decrypt = aead_decrypt, |
|
.ivsize = CTR_RFC3686_IV_SIZE, |
|
.maxauthsize = SHA512_DIGEST_SIZE, |
|
}, |
|
.caam = { |
|
.class1_alg_type = OP_ALG_ALGSEL_AES | |
|
OP_ALG_AAI_CTR_MOD128, |
|
.class2_alg_type = OP_ALG_ALGSEL_SHA512 | |
|
OP_ALG_AAI_HMAC_PRECOMP, |
|
.rfc3686 = true, |
|
}, |
|
}, |
|
{ |
|
.aead = { |
|
.base = { |
|
.cra_name = "seqiv(authenc(hmac(sha512)," |
|
"rfc3686(ctr(aes))))", |
|
.cra_driver_name = "seqiv-authenc-hmac-sha512-" |
|
"rfc3686-ctr-aes-caam-qi2", |
|
.cra_blocksize = 1, |
|
}, |
|
.setkey = aead_setkey, |
|
.setauthsize = aead_setauthsize, |
|
.encrypt = aead_encrypt, |
|
.decrypt = aead_decrypt, |
|
.ivsize = CTR_RFC3686_IV_SIZE, |
|
.maxauthsize = SHA512_DIGEST_SIZE, |
|
}, |
|
.caam = { |
|
.class1_alg_type = OP_ALG_ALGSEL_AES | |
|
OP_ALG_AAI_CTR_MOD128, |
|
.class2_alg_type = OP_ALG_ALGSEL_SHA512 | |
|
OP_ALG_AAI_HMAC_PRECOMP, |
|
.rfc3686 = true, |
|
.geniv = true, |
|
}, |
|
}, |
|
}; |
|
|
|
static void caam_skcipher_alg_init(struct caam_skcipher_alg *t_alg) |
|
{ |
|
struct skcipher_alg *alg = &t_alg->skcipher; |
|
|
|
alg->base.cra_module = THIS_MODULE; |
|
alg->base.cra_priority = CAAM_CRA_PRIORITY; |
|
alg->base.cra_ctxsize = sizeof(struct caam_ctx); |
|
alg->base.cra_flags |= (CRYPTO_ALG_ASYNC | CRYPTO_ALG_ALLOCATES_MEMORY | |
|
CRYPTO_ALG_KERN_DRIVER_ONLY); |
|
|
|
alg->init = caam_cra_init_skcipher; |
|
alg->exit = caam_cra_exit; |
|
} |
|
|
|
static void caam_aead_alg_init(struct caam_aead_alg *t_alg) |
|
{ |
|
struct aead_alg *alg = &t_alg->aead; |
|
|
|
alg->base.cra_module = THIS_MODULE; |
|
alg->base.cra_priority = CAAM_CRA_PRIORITY; |
|
alg->base.cra_ctxsize = sizeof(struct caam_ctx); |
|
alg->base.cra_flags = CRYPTO_ALG_ASYNC | CRYPTO_ALG_ALLOCATES_MEMORY | |
|
CRYPTO_ALG_KERN_DRIVER_ONLY; |
|
|
|
alg->init = caam_cra_init_aead; |
|
alg->exit = caam_cra_exit_aead; |
|
} |
|
|
|
/* max hash key is max split key size */ |
|
#define CAAM_MAX_HASH_KEY_SIZE (SHA512_DIGEST_SIZE * 2) |
|
|
|
#define CAAM_MAX_HASH_BLOCK_SIZE SHA512_BLOCK_SIZE |
|
|
|
/* caam context sizes for hashes: running digest + 8 */ |
|
#define HASH_MSG_LEN 8 |
|
#define MAX_CTX_LEN (HASH_MSG_LEN + SHA512_DIGEST_SIZE) |
|
|
|
enum hash_optype { |
|
UPDATE = 0, |
|
UPDATE_FIRST, |
|
FINALIZE, |
|
DIGEST, |
|
HASH_NUM_OP |
|
}; |
|
|
|
/** |
|
* struct caam_hash_ctx - ahash per-session context |
|
* @flc: Flow Contexts array |
|
* @key: authentication key |
|
* @flc_dma: I/O virtual addresses of the Flow Contexts |
|
* @dev: dpseci device |
|
* @ctx_len: size of Context Register |
|
* @adata: hashing algorithm details |
|
*/ |
|
struct caam_hash_ctx { |
|
struct caam_flc flc[HASH_NUM_OP]; |
|
u8 key[CAAM_MAX_HASH_BLOCK_SIZE] ____cacheline_aligned; |
|
dma_addr_t flc_dma[HASH_NUM_OP]; |
|
struct device *dev; |
|
int ctx_len; |
|
struct alginfo adata; |
|
}; |
|
|
|
/* ahash state */ |
|
struct caam_hash_state { |
|
struct caam_request caam_req; |
|
dma_addr_t buf_dma; |
|
dma_addr_t ctx_dma; |
|
int ctx_dma_len; |
|
u8 buf[CAAM_MAX_HASH_BLOCK_SIZE] ____cacheline_aligned; |
|
int buflen; |
|
int next_buflen; |
|
u8 caam_ctx[MAX_CTX_LEN] ____cacheline_aligned; |
|
int (*update)(struct ahash_request *req); |
|
int (*final)(struct ahash_request *req); |
|
int (*finup)(struct ahash_request *req); |
|
}; |
|
|
|
struct caam_export_state { |
|
u8 buf[CAAM_MAX_HASH_BLOCK_SIZE]; |
|
u8 caam_ctx[MAX_CTX_LEN]; |
|
int buflen; |
|
int (*update)(struct ahash_request *req); |
|
int (*final)(struct ahash_request *req); |
|
int (*finup)(struct ahash_request *req); |
|
}; |
|
|
|
/* Map current buffer in state (if length > 0) and put it in link table */ |
|
static inline int buf_map_to_qm_sg(struct device *dev, |
|
struct dpaa2_sg_entry *qm_sg, |
|
struct caam_hash_state *state) |
|
{ |
|
int buflen = state->buflen; |
|
|
|
if (!buflen) |
|
return 0; |
|
|
|
state->buf_dma = dma_map_single(dev, state->buf, buflen, |
|
DMA_TO_DEVICE); |
|
if (dma_mapping_error(dev, state->buf_dma)) { |
|
dev_err(dev, "unable to map buf\n"); |
|
state->buf_dma = 0; |
|
return -ENOMEM; |
|
} |
|
|
|
dma_to_qm_sg_one(qm_sg, state->buf_dma, buflen, 0); |
|
|
|
return 0; |
|
} |
|
|
|
/* Map state->caam_ctx, and add it to link table */ |
|
static inline int ctx_map_to_qm_sg(struct device *dev, |
|
struct caam_hash_state *state, int ctx_len, |
|
struct dpaa2_sg_entry *qm_sg, u32 flag) |
|
{ |
|
state->ctx_dma_len = ctx_len; |
|
state->ctx_dma = dma_map_single(dev, state->caam_ctx, ctx_len, flag); |
|
if (dma_mapping_error(dev, state->ctx_dma)) { |
|
dev_err(dev, "unable to map ctx\n"); |
|
state->ctx_dma = 0; |
|
return -ENOMEM; |
|
} |
|
|
|
dma_to_qm_sg_one(qm_sg, state->ctx_dma, ctx_len, 0); |
|
|
|
return 0; |
|
} |
|
|
|
static int ahash_set_sh_desc(struct crypto_ahash *ahash) |
|
{ |
|
struct caam_hash_ctx *ctx = crypto_ahash_ctx(ahash); |
|
int digestsize = crypto_ahash_digestsize(ahash); |
|
struct dpaa2_caam_priv *priv = dev_get_drvdata(ctx->dev); |
|
struct caam_flc *flc; |
|
u32 *desc; |
|
|
|
/* ahash_update shared descriptor */ |
|
flc = &ctx->flc[UPDATE]; |
|
desc = flc->sh_desc; |
|
cnstr_shdsc_ahash(desc, &ctx->adata, OP_ALG_AS_UPDATE, ctx->ctx_len, |
|
ctx->ctx_len, true, priv->sec_attr.era); |
|
flc->flc[1] = cpu_to_caam32(desc_len(desc)); /* SDL */ |
|
dma_sync_single_for_device(ctx->dev, ctx->flc_dma[UPDATE], |
|
desc_bytes(desc), DMA_BIDIRECTIONAL); |
|
print_hex_dump_debug("ahash update shdesc@" __stringify(__LINE__)": ", |
|
DUMP_PREFIX_ADDRESS, 16, 4, desc, desc_bytes(desc), |
|
1); |
|
|
|
/* ahash_update_first shared descriptor */ |
|
flc = &ctx->flc[UPDATE_FIRST]; |
|
desc = flc->sh_desc; |
|
cnstr_shdsc_ahash(desc, &ctx->adata, OP_ALG_AS_INIT, ctx->ctx_len, |
|
ctx->ctx_len, false, priv->sec_attr.era); |
|
flc->flc[1] = cpu_to_caam32(desc_len(desc)); /* SDL */ |
|
dma_sync_single_for_device(ctx->dev, ctx->flc_dma[UPDATE_FIRST], |
|
desc_bytes(desc), DMA_BIDIRECTIONAL); |
|
print_hex_dump_debug("ahash update first shdesc@" __stringify(__LINE__)": ", |
|
DUMP_PREFIX_ADDRESS, 16, 4, desc, desc_bytes(desc), |
|
1); |
|
|
|
/* ahash_final shared descriptor */ |
|
flc = &ctx->flc[FINALIZE]; |
|
desc = flc->sh_desc; |
|
cnstr_shdsc_ahash(desc, &ctx->adata, OP_ALG_AS_FINALIZE, digestsize, |
|
ctx->ctx_len, true, priv->sec_attr.era); |
|
flc->flc[1] = cpu_to_caam32(desc_len(desc)); /* SDL */ |
|
dma_sync_single_for_device(ctx->dev, ctx->flc_dma[FINALIZE], |
|
desc_bytes(desc), DMA_BIDIRECTIONAL); |
|
print_hex_dump_debug("ahash final shdesc@" __stringify(__LINE__)": ", |
|
DUMP_PREFIX_ADDRESS, 16, 4, desc, desc_bytes(desc), |
|
1); |
|
|
|
/* ahash_digest shared descriptor */ |
|
flc = &ctx->flc[DIGEST]; |
|
desc = flc->sh_desc; |
|
cnstr_shdsc_ahash(desc, &ctx->adata, OP_ALG_AS_INITFINAL, digestsize, |
|
ctx->ctx_len, false, priv->sec_attr.era); |
|
flc->flc[1] = cpu_to_caam32(desc_len(desc)); /* SDL */ |
|
dma_sync_single_for_device(ctx->dev, ctx->flc_dma[DIGEST], |
|
desc_bytes(desc), DMA_BIDIRECTIONAL); |
|
print_hex_dump_debug("ahash digest shdesc@" __stringify(__LINE__)": ", |
|
DUMP_PREFIX_ADDRESS, 16, 4, desc, desc_bytes(desc), |
|
1); |
|
|
|
return 0; |
|
} |
|
|
|
struct split_key_sh_result { |
|
struct completion completion; |
|
int err; |
|
struct device *dev; |
|
}; |
|
|
|
static void split_key_sh_done(void *cbk_ctx, u32 err) |
|
{ |
|
struct split_key_sh_result *res = cbk_ctx; |
|
|
|
dev_dbg(res->dev, "%s %d: err 0x%x\n", __func__, __LINE__, err); |
|
|
|
res->err = err ? caam_qi2_strstatus(res->dev, err) : 0; |
|
complete(&res->completion); |
|
} |
|
|
|
/* Digest hash size if it is too large */ |
|
static int hash_digest_key(struct caam_hash_ctx *ctx, u32 *keylen, u8 *key, |
|
u32 digestsize) |
|
{ |
|
struct caam_request *req_ctx; |
|
u32 *desc; |
|
struct split_key_sh_result result; |
|
dma_addr_t key_dma; |
|
struct caam_flc *flc; |
|
dma_addr_t flc_dma; |
|
int ret = -ENOMEM; |
|
struct dpaa2_fl_entry *in_fle, *out_fle; |
|
|
|
req_ctx = kzalloc(sizeof(*req_ctx), GFP_KERNEL | GFP_DMA); |
|
if (!req_ctx) |
|
return -ENOMEM; |
|
|
|
in_fle = &req_ctx->fd_flt[1]; |
|
out_fle = &req_ctx->fd_flt[0]; |
|
|
|
flc = kzalloc(sizeof(*flc), GFP_KERNEL | GFP_DMA); |
|
if (!flc) |
|
goto err_flc; |
|
|
|
key_dma = dma_map_single(ctx->dev, key, *keylen, DMA_BIDIRECTIONAL); |
|
if (dma_mapping_error(ctx->dev, key_dma)) { |
|
dev_err(ctx->dev, "unable to map key memory\n"); |
|
goto err_key_dma; |
|
} |
|
|
|
desc = flc->sh_desc; |
|
|
|
init_sh_desc(desc, 0); |
|
|
|
/* descriptor to perform unkeyed hash on key_in */ |
|
append_operation(desc, ctx->adata.algtype | OP_ALG_ENCRYPT | |
|
OP_ALG_AS_INITFINAL); |
|
append_seq_fifo_load(desc, *keylen, FIFOLD_CLASS_CLASS2 | |
|
FIFOLD_TYPE_LAST2 | FIFOLD_TYPE_MSG); |
|
append_seq_store(desc, digestsize, LDST_CLASS_2_CCB | |
|
LDST_SRCDST_BYTE_CONTEXT); |
|
|
|
flc->flc[1] = cpu_to_caam32(desc_len(desc)); /* SDL */ |
|
flc_dma = dma_map_single(ctx->dev, flc, sizeof(flc->flc) + |
|
desc_bytes(desc), DMA_TO_DEVICE); |
|
if (dma_mapping_error(ctx->dev, flc_dma)) { |
|
dev_err(ctx->dev, "unable to map shared descriptor\n"); |
|
goto err_flc_dma; |
|
} |
|
|
|
dpaa2_fl_set_final(in_fle, true); |
|
dpaa2_fl_set_format(in_fle, dpaa2_fl_single); |
|
dpaa2_fl_set_addr(in_fle, key_dma); |
|
dpaa2_fl_set_len(in_fle, *keylen); |
|
dpaa2_fl_set_format(out_fle, dpaa2_fl_single); |
|
dpaa2_fl_set_addr(out_fle, key_dma); |
|
dpaa2_fl_set_len(out_fle, digestsize); |
|
|
|
print_hex_dump_debug("key_in@" __stringify(__LINE__)": ", |
|
DUMP_PREFIX_ADDRESS, 16, 4, key, *keylen, 1); |
|
print_hex_dump_debug("shdesc@" __stringify(__LINE__)": ", |
|
DUMP_PREFIX_ADDRESS, 16, 4, desc, desc_bytes(desc), |
|
1); |
|
|
|
result.err = 0; |
|
init_completion(&result.completion); |
|
result.dev = ctx->dev; |
|
|
|
req_ctx->flc = flc; |
|
req_ctx->flc_dma = flc_dma; |
|
req_ctx->cbk = split_key_sh_done; |
|
req_ctx->ctx = &result; |
|
|
|
ret = dpaa2_caam_enqueue(ctx->dev, req_ctx); |
|
if (ret == -EINPROGRESS) { |
|
/* in progress */ |
|
wait_for_completion(&result.completion); |
|
ret = result.err; |
|
print_hex_dump_debug("digested key@" __stringify(__LINE__)": ", |
|
DUMP_PREFIX_ADDRESS, 16, 4, key, |
|
digestsize, 1); |
|
} |
|
|
|
dma_unmap_single(ctx->dev, flc_dma, sizeof(flc->flc) + desc_bytes(desc), |
|
DMA_TO_DEVICE); |
|
err_flc_dma: |
|
dma_unmap_single(ctx->dev, key_dma, *keylen, DMA_BIDIRECTIONAL); |
|
err_key_dma: |
|
kfree(flc); |
|
err_flc: |
|
kfree(req_ctx); |
|
|
|
*keylen = digestsize; |
|
|
|
return ret; |
|
} |
|
|
|
static int ahash_setkey(struct crypto_ahash *ahash, const u8 *key, |
|
unsigned int keylen) |
|
{ |
|
struct caam_hash_ctx *ctx = crypto_ahash_ctx(ahash); |
|
unsigned int blocksize = crypto_tfm_alg_blocksize(&ahash->base); |
|
unsigned int digestsize = crypto_ahash_digestsize(ahash); |
|
int ret; |
|
u8 *hashed_key = NULL; |
|
|
|
dev_dbg(ctx->dev, "keylen %d blocksize %d\n", keylen, blocksize); |
|
|
|
if (keylen > blocksize) { |
|
hashed_key = kmemdup(key, keylen, GFP_KERNEL | GFP_DMA); |
|
if (!hashed_key) |
|
return -ENOMEM; |
|
ret = hash_digest_key(ctx, &keylen, hashed_key, digestsize); |
|
if (ret) |
|
goto bad_free_key; |
|
key = hashed_key; |
|
} |
|
|
|
ctx->adata.keylen = keylen; |
|
ctx->adata.keylen_pad = split_key_len(ctx->adata.algtype & |
|
OP_ALG_ALGSEL_MASK); |
|
if (ctx->adata.keylen_pad > CAAM_MAX_HASH_KEY_SIZE) |
|
goto bad_free_key; |
|
|
|
ctx->adata.key_virt = key; |
|
ctx->adata.key_inline = true; |
|
|
|
/* |
|
* In case |user key| > |derived key|, using DKP<imm,imm> would result |
|
* in invalid opcodes (last bytes of user key) in the resulting |
|
* descriptor. Use DKP<ptr,imm> instead => both virtual and dma key |
|
* addresses are needed. |
|
*/ |
|
if (keylen > ctx->adata.keylen_pad) { |
|
memcpy(ctx->key, key, keylen); |
|
dma_sync_single_for_device(ctx->dev, ctx->adata.key_dma, |
|
ctx->adata.keylen_pad, |
|
DMA_TO_DEVICE); |
|
} |
|
|
|
ret = ahash_set_sh_desc(ahash); |
|
kfree(hashed_key); |
|
return ret; |
|
bad_free_key: |
|
kfree(hashed_key); |
|
return -EINVAL; |
|
} |
|
|
|
static inline void ahash_unmap(struct device *dev, struct ahash_edesc *edesc, |
|
struct ahash_request *req) |
|
{ |
|
struct caam_hash_state *state = ahash_request_ctx(req); |
|
|
|
if (edesc->src_nents) |
|
dma_unmap_sg(dev, req->src, edesc->src_nents, DMA_TO_DEVICE); |
|
|
|
if (edesc->qm_sg_bytes) |
|
dma_unmap_single(dev, edesc->qm_sg_dma, edesc->qm_sg_bytes, |
|
DMA_TO_DEVICE); |
|
|
|
if (state->buf_dma) { |
|
dma_unmap_single(dev, state->buf_dma, state->buflen, |
|
DMA_TO_DEVICE); |
|
state->buf_dma = 0; |
|
} |
|
} |
|
|
|
static inline void ahash_unmap_ctx(struct device *dev, |
|
struct ahash_edesc *edesc, |
|
struct ahash_request *req, u32 flag) |
|
{ |
|
struct caam_hash_state *state = ahash_request_ctx(req); |
|
|
|
if (state->ctx_dma) { |
|
dma_unmap_single(dev, state->ctx_dma, state->ctx_dma_len, flag); |
|
state->ctx_dma = 0; |
|
} |
|
ahash_unmap(dev, edesc, req); |
|
} |
|
|
|
static void ahash_done(void *cbk_ctx, u32 status) |
|
{ |
|
struct crypto_async_request *areq = cbk_ctx; |
|
struct ahash_request *req = ahash_request_cast(areq); |
|
struct crypto_ahash *ahash = crypto_ahash_reqtfm(req); |
|
struct caam_hash_state *state = ahash_request_ctx(req); |
|
struct ahash_edesc *edesc = state->caam_req.edesc; |
|
struct caam_hash_ctx *ctx = crypto_ahash_ctx(ahash); |
|
int digestsize = crypto_ahash_digestsize(ahash); |
|
int ecode = 0; |
|
|
|
dev_dbg(ctx->dev, "%s %d: err 0x%x\n", __func__, __LINE__, status); |
|
|
|
if (unlikely(status)) |
|
ecode = caam_qi2_strstatus(ctx->dev, status); |
|
|
|
ahash_unmap_ctx(ctx->dev, edesc, req, DMA_FROM_DEVICE); |
|
memcpy(req->result, state->caam_ctx, digestsize); |
|
qi_cache_free(edesc); |
|
|
|
print_hex_dump_debug("ctx@" __stringify(__LINE__)": ", |
|
DUMP_PREFIX_ADDRESS, 16, 4, state->caam_ctx, |
|
ctx->ctx_len, 1); |
|
|
|
req->base.complete(&req->base, ecode); |
|
} |
|
|
|
static void ahash_done_bi(void *cbk_ctx, u32 status) |
|
{ |
|
struct crypto_async_request *areq = cbk_ctx; |
|
struct ahash_request *req = ahash_request_cast(areq); |
|
struct crypto_ahash *ahash = crypto_ahash_reqtfm(req); |
|
struct caam_hash_state *state = ahash_request_ctx(req); |
|
struct ahash_edesc *edesc = state->caam_req.edesc; |
|
struct caam_hash_ctx *ctx = crypto_ahash_ctx(ahash); |
|
int ecode = 0; |
|
|
|
dev_dbg(ctx->dev, "%s %d: err 0x%x\n", __func__, __LINE__, status); |
|
|
|
if (unlikely(status)) |
|
ecode = caam_qi2_strstatus(ctx->dev, status); |
|
|
|
ahash_unmap_ctx(ctx->dev, edesc, req, DMA_BIDIRECTIONAL); |
|
qi_cache_free(edesc); |
|
|
|
scatterwalk_map_and_copy(state->buf, req->src, |
|
req->nbytes - state->next_buflen, |
|
state->next_buflen, 0); |
|
state->buflen = state->next_buflen; |
|
|
|
print_hex_dump_debug("buf@" __stringify(__LINE__)": ", |
|
DUMP_PREFIX_ADDRESS, 16, 4, state->buf, |
|
state->buflen, 1); |
|
|
|
print_hex_dump_debug("ctx@" __stringify(__LINE__)": ", |
|
DUMP_PREFIX_ADDRESS, 16, 4, state->caam_ctx, |
|
ctx->ctx_len, 1); |
|
if (req->result) |
|
print_hex_dump_debug("result@" __stringify(__LINE__)": ", |
|
DUMP_PREFIX_ADDRESS, 16, 4, req->result, |
|
crypto_ahash_digestsize(ahash), 1); |
|
|
|
req->base.complete(&req->base, ecode); |
|
} |
|
|
|
static void ahash_done_ctx_src(void *cbk_ctx, u32 status) |
|
{ |
|
struct crypto_async_request *areq = cbk_ctx; |
|
struct ahash_request *req = ahash_request_cast(areq); |
|
struct crypto_ahash *ahash = crypto_ahash_reqtfm(req); |
|
struct caam_hash_state *state = ahash_request_ctx(req); |
|
struct ahash_edesc *edesc = state->caam_req.edesc; |
|
struct caam_hash_ctx *ctx = crypto_ahash_ctx(ahash); |
|
int digestsize = crypto_ahash_digestsize(ahash); |
|
int ecode = 0; |
|
|
|
dev_dbg(ctx->dev, "%s %d: err 0x%x\n", __func__, __LINE__, status); |
|
|
|
if (unlikely(status)) |
|
ecode = caam_qi2_strstatus(ctx->dev, status); |
|
|
|
ahash_unmap_ctx(ctx->dev, edesc, req, DMA_BIDIRECTIONAL); |
|
memcpy(req->result, state->caam_ctx, digestsize); |
|
qi_cache_free(edesc); |
|
|
|
print_hex_dump_debug("ctx@" __stringify(__LINE__)": ", |
|
DUMP_PREFIX_ADDRESS, 16, 4, state->caam_ctx, |
|
ctx->ctx_len, 1); |
|
|
|
req->base.complete(&req->base, ecode); |
|
} |
|
|
|
static void ahash_done_ctx_dst(void *cbk_ctx, u32 status) |
|
{ |
|
struct crypto_async_request *areq = cbk_ctx; |
|
struct ahash_request *req = ahash_request_cast(areq); |
|
struct crypto_ahash *ahash = crypto_ahash_reqtfm(req); |
|
struct caam_hash_state *state = ahash_request_ctx(req); |
|
struct ahash_edesc *edesc = state->caam_req.edesc; |
|
struct caam_hash_ctx *ctx = crypto_ahash_ctx(ahash); |
|
int ecode = 0; |
|
|
|
dev_dbg(ctx->dev, "%s %d: err 0x%x\n", __func__, __LINE__, status); |
|
|
|
if (unlikely(status)) |
|
ecode = caam_qi2_strstatus(ctx->dev, status); |
|
|
|
ahash_unmap_ctx(ctx->dev, edesc, req, DMA_FROM_DEVICE); |
|
qi_cache_free(edesc); |
|
|
|
scatterwalk_map_and_copy(state->buf, req->src, |
|
req->nbytes - state->next_buflen, |
|
state->next_buflen, 0); |
|
state->buflen = state->next_buflen; |
|
|
|
print_hex_dump_debug("buf@" __stringify(__LINE__)": ", |
|
DUMP_PREFIX_ADDRESS, 16, 4, state->buf, |
|
state->buflen, 1); |
|
|
|
print_hex_dump_debug("ctx@" __stringify(__LINE__)": ", |
|
DUMP_PREFIX_ADDRESS, 16, 4, state->caam_ctx, |
|
ctx->ctx_len, 1); |
|
if (req->result) |
|
print_hex_dump_debug("result@" __stringify(__LINE__)": ", |
|
DUMP_PREFIX_ADDRESS, 16, 4, req->result, |
|
crypto_ahash_digestsize(ahash), 1); |
|
|
|
req->base.complete(&req->base, ecode); |
|
} |
|
|
|
static int ahash_update_ctx(struct ahash_request *req) |
|
{ |
|
struct crypto_ahash *ahash = crypto_ahash_reqtfm(req); |
|
struct caam_hash_ctx *ctx = crypto_ahash_ctx(ahash); |
|
struct caam_hash_state *state = ahash_request_ctx(req); |
|
struct caam_request *req_ctx = &state->caam_req; |
|
struct dpaa2_fl_entry *in_fle = &req_ctx->fd_flt[1]; |
|
struct dpaa2_fl_entry *out_fle = &req_ctx->fd_flt[0]; |
|
gfp_t flags = (req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP) ? |
|
GFP_KERNEL : GFP_ATOMIC; |
|
u8 *buf = state->buf; |
|
int *buflen = &state->buflen; |
|
int *next_buflen = &state->next_buflen; |
|
int in_len = *buflen + req->nbytes, to_hash; |
|
int src_nents, mapped_nents, qm_sg_bytes, qm_sg_src_index; |
|
struct ahash_edesc *edesc; |
|
int ret = 0; |
|
|
|
*next_buflen = in_len & (crypto_tfm_alg_blocksize(&ahash->base) - 1); |
|
to_hash = in_len - *next_buflen; |
|
|
|
if (to_hash) { |
|
struct dpaa2_sg_entry *sg_table; |
|
int src_len = req->nbytes - *next_buflen; |
|
|
|
src_nents = sg_nents_for_len(req->src, src_len); |
|
if (src_nents < 0) { |
|
dev_err(ctx->dev, "Invalid number of src SG.\n"); |
|
return src_nents; |
|
} |
|
|
|
if (src_nents) { |
|
mapped_nents = dma_map_sg(ctx->dev, req->src, src_nents, |
|
DMA_TO_DEVICE); |
|
if (!mapped_nents) { |
|
dev_err(ctx->dev, "unable to DMA map source\n"); |
|
return -ENOMEM; |
|
} |
|
} else { |
|
mapped_nents = 0; |
|
} |
|
|
|
/* allocate space for base edesc and link tables */ |
|
edesc = qi_cache_zalloc(GFP_DMA | flags); |
|
if (!edesc) { |
|
dma_unmap_sg(ctx->dev, req->src, src_nents, |
|
DMA_TO_DEVICE); |
|
return -ENOMEM; |
|
} |
|
|
|
edesc->src_nents = src_nents; |
|
qm_sg_src_index = 1 + (*buflen ? 1 : 0); |
|
qm_sg_bytes = pad_sg_nents(qm_sg_src_index + mapped_nents) * |
|
sizeof(*sg_table); |
|
sg_table = &edesc->sgt[0]; |
|
|
|
ret = ctx_map_to_qm_sg(ctx->dev, state, ctx->ctx_len, sg_table, |
|
DMA_BIDIRECTIONAL); |
|
if (ret) |
|
goto unmap_ctx; |
|
|
|
ret = buf_map_to_qm_sg(ctx->dev, sg_table + 1, state); |
|
if (ret) |
|
goto unmap_ctx; |
|
|
|
if (mapped_nents) { |
|
sg_to_qm_sg_last(req->src, src_len, |
|
sg_table + qm_sg_src_index, 0); |
|
} else { |
|
dpaa2_sg_set_final(sg_table + qm_sg_src_index - 1, |
|
true); |
|
} |
|
|
|
edesc->qm_sg_dma = dma_map_single(ctx->dev, sg_table, |
|
qm_sg_bytes, DMA_TO_DEVICE); |
|
if (dma_mapping_error(ctx->dev, edesc->qm_sg_dma)) { |
|
dev_err(ctx->dev, "unable to map S/G table\n"); |
|
ret = -ENOMEM; |
|
goto unmap_ctx; |
|
} |
|
edesc->qm_sg_bytes = qm_sg_bytes; |
|
|
|
memset(&req_ctx->fd_flt, 0, sizeof(req_ctx->fd_flt)); |
|
dpaa2_fl_set_final(in_fle, true); |
|
dpaa2_fl_set_format(in_fle, dpaa2_fl_sg); |
|
dpaa2_fl_set_addr(in_fle, edesc->qm_sg_dma); |
|
dpaa2_fl_set_len(in_fle, ctx->ctx_len + to_hash); |
|
dpaa2_fl_set_format(out_fle, dpaa2_fl_single); |
|
dpaa2_fl_set_addr(out_fle, state->ctx_dma); |
|
dpaa2_fl_set_len(out_fle, ctx->ctx_len); |
|
|
|
req_ctx->flc = &ctx->flc[UPDATE]; |
|
req_ctx->flc_dma = ctx->flc_dma[UPDATE]; |
|
req_ctx->cbk = ahash_done_bi; |
|
req_ctx->ctx = &req->base; |
|
req_ctx->edesc = edesc; |
|
|
|
ret = dpaa2_caam_enqueue(ctx->dev, req_ctx); |
|
if (ret != -EINPROGRESS && |
|
!(ret == -EBUSY && |
|
req->base.flags & CRYPTO_TFM_REQ_MAY_BACKLOG)) |
|
goto unmap_ctx; |
|
} else if (*next_buflen) { |
|
scatterwalk_map_and_copy(buf + *buflen, req->src, 0, |
|
req->nbytes, 0); |
|
*buflen = *next_buflen; |
|
|
|
print_hex_dump_debug("buf@" __stringify(__LINE__)": ", |
|
DUMP_PREFIX_ADDRESS, 16, 4, buf, |
|
*buflen, 1); |
|
} |
|
|
|
return ret; |
|
unmap_ctx: |
|
ahash_unmap_ctx(ctx->dev, edesc, req, DMA_BIDIRECTIONAL); |
|
qi_cache_free(edesc); |
|
return ret; |
|
} |
|
|
|
static int ahash_final_ctx(struct ahash_request *req) |
|
{ |
|
struct crypto_ahash *ahash = crypto_ahash_reqtfm(req); |
|
struct caam_hash_ctx *ctx = crypto_ahash_ctx(ahash); |
|
struct caam_hash_state *state = ahash_request_ctx(req); |
|
struct caam_request *req_ctx = &state->caam_req; |
|
struct dpaa2_fl_entry *in_fle = &req_ctx->fd_flt[1]; |
|
struct dpaa2_fl_entry *out_fle = &req_ctx->fd_flt[0]; |
|
gfp_t flags = (req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP) ? |
|
GFP_KERNEL : GFP_ATOMIC; |
|
int buflen = state->buflen; |
|
int qm_sg_bytes; |
|
int digestsize = crypto_ahash_digestsize(ahash); |
|
struct ahash_edesc *edesc; |
|
struct dpaa2_sg_entry *sg_table; |
|
int ret; |
|
|
|
/* allocate space for base edesc and link tables */ |
|
edesc = qi_cache_zalloc(GFP_DMA | flags); |
|
if (!edesc) |
|
return -ENOMEM; |
|
|
|
qm_sg_bytes = pad_sg_nents(1 + (buflen ? 1 : 0)) * sizeof(*sg_table); |
|
sg_table = &edesc->sgt[0]; |
|
|
|
ret = ctx_map_to_qm_sg(ctx->dev, state, ctx->ctx_len, sg_table, |
|
DMA_BIDIRECTIONAL); |
|
if (ret) |
|
goto unmap_ctx; |
|
|
|
ret = buf_map_to_qm_sg(ctx->dev, sg_table + 1, state); |
|
if (ret) |
|
goto unmap_ctx; |
|
|
|
dpaa2_sg_set_final(sg_table + (buflen ? 1 : 0), true); |
|
|
|
edesc->qm_sg_dma = dma_map_single(ctx->dev, sg_table, qm_sg_bytes, |
|
DMA_TO_DEVICE); |
|
if (dma_mapping_error(ctx->dev, edesc->qm_sg_dma)) { |
|
dev_err(ctx->dev, "unable to map S/G table\n"); |
|
ret = -ENOMEM; |
|
goto unmap_ctx; |
|
} |
|
edesc->qm_sg_bytes = qm_sg_bytes; |
|
|
|
memset(&req_ctx->fd_flt, 0, sizeof(req_ctx->fd_flt)); |
|
dpaa2_fl_set_final(in_fle, true); |
|
dpaa2_fl_set_format(in_fle, dpaa2_fl_sg); |
|
dpaa2_fl_set_addr(in_fle, edesc->qm_sg_dma); |
|
dpaa2_fl_set_len(in_fle, ctx->ctx_len + buflen); |
|
dpaa2_fl_set_format(out_fle, dpaa2_fl_single); |
|
dpaa2_fl_set_addr(out_fle, state->ctx_dma); |
|
dpaa2_fl_set_len(out_fle, digestsize); |
|
|
|
req_ctx->flc = &ctx->flc[FINALIZE]; |
|
req_ctx->flc_dma = ctx->flc_dma[FINALIZE]; |
|
req_ctx->cbk = ahash_done_ctx_src; |
|
req_ctx->ctx = &req->base; |
|
req_ctx->edesc = edesc; |
|
|
|
ret = dpaa2_caam_enqueue(ctx->dev, req_ctx); |
|
if (ret == -EINPROGRESS || |
|
(ret == -EBUSY && req->base.flags & CRYPTO_TFM_REQ_MAY_BACKLOG)) |
|
return ret; |
|
|
|
unmap_ctx: |
|
ahash_unmap_ctx(ctx->dev, edesc, req, DMA_BIDIRECTIONAL); |
|
qi_cache_free(edesc); |
|
return ret; |
|
} |
|
|
|
static int ahash_finup_ctx(struct ahash_request *req) |
|
{ |
|
struct crypto_ahash *ahash = crypto_ahash_reqtfm(req); |
|
struct caam_hash_ctx *ctx = crypto_ahash_ctx(ahash); |
|
struct caam_hash_state *state = ahash_request_ctx(req); |
|
struct caam_request *req_ctx = &state->caam_req; |
|
struct dpaa2_fl_entry *in_fle = &req_ctx->fd_flt[1]; |
|
struct dpaa2_fl_entry *out_fle = &req_ctx->fd_flt[0]; |
|
gfp_t flags = (req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP) ? |
|
GFP_KERNEL : GFP_ATOMIC; |
|
int buflen = state->buflen; |
|
int qm_sg_bytes, qm_sg_src_index; |
|
int src_nents, mapped_nents; |
|
int digestsize = crypto_ahash_digestsize(ahash); |
|
struct ahash_edesc *edesc; |
|
struct dpaa2_sg_entry *sg_table; |
|
int ret; |
|
|
|
src_nents = sg_nents_for_len(req->src, req->nbytes); |
|
if (src_nents < 0) { |
|
dev_err(ctx->dev, "Invalid number of src SG.\n"); |
|
return src_nents; |
|
} |
|
|
|
if (src_nents) { |
|
mapped_nents = dma_map_sg(ctx->dev, req->src, src_nents, |
|
DMA_TO_DEVICE); |
|
if (!mapped_nents) { |
|
dev_err(ctx->dev, "unable to DMA map source\n"); |
|
return -ENOMEM; |
|
} |
|
} else { |
|
mapped_nents = 0; |
|
} |
|
|
|
/* allocate space for base edesc and link tables */ |
|
edesc = qi_cache_zalloc(GFP_DMA | flags); |
|
if (!edesc) { |
|
dma_unmap_sg(ctx->dev, req->src, src_nents, DMA_TO_DEVICE); |
|
return -ENOMEM; |
|
} |
|
|
|
edesc->src_nents = src_nents; |
|
qm_sg_src_index = 1 + (buflen ? 1 : 0); |
|
qm_sg_bytes = pad_sg_nents(qm_sg_src_index + mapped_nents) * |
|
sizeof(*sg_table); |
|
sg_table = &edesc->sgt[0]; |
|
|
|
ret = ctx_map_to_qm_sg(ctx->dev, state, ctx->ctx_len, sg_table, |
|
DMA_BIDIRECTIONAL); |
|
if (ret) |
|
goto unmap_ctx; |
|
|
|
ret = buf_map_to_qm_sg(ctx->dev, sg_table + 1, state); |
|
if (ret) |
|
goto unmap_ctx; |
|
|
|
sg_to_qm_sg_last(req->src, req->nbytes, sg_table + qm_sg_src_index, 0); |
|
|
|
edesc->qm_sg_dma = dma_map_single(ctx->dev, sg_table, qm_sg_bytes, |
|
DMA_TO_DEVICE); |
|
if (dma_mapping_error(ctx->dev, edesc->qm_sg_dma)) { |
|
dev_err(ctx->dev, "unable to map S/G table\n"); |
|
ret = -ENOMEM; |
|
goto unmap_ctx; |
|
} |
|
edesc->qm_sg_bytes = qm_sg_bytes; |
|
|
|
memset(&req_ctx->fd_flt, 0, sizeof(req_ctx->fd_flt)); |
|
dpaa2_fl_set_final(in_fle, true); |
|
dpaa2_fl_set_format(in_fle, dpaa2_fl_sg); |
|
dpaa2_fl_set_addr(in_fle, edesc->qm_sg_dma); |
|
dpaa2_fl_set_len(in_fle, ctx->ctx_len + buflen + req->nbytes); |
|
dpaa2_fl_set_format(out_fle, dpaa2_fl_single); |
|
dpaa2_fl_set_addr(out_fle, state->ctx_dma); |
|
dpaa2_fl_set_len(out_fle, digestsize); |
|
|
|
req_ctx->flc = &ctx->flc[FINALIZE]; |
|
req_ctx->flc_dma = ctx->flc_dma[FINALIZE]; |
|
req_ctx->cbk = ahash_done_ctx_src; |
|
req_ctx->ctx = &req->base; |
|
req_ctx->edesc = edesc; |
|
|
|
ret = dpaa2_caam_enqueue(ctx->dev, req_ctx); |
|
if (ret == -EINPROGRESS || |
|
(ret == -EBUSY && req->base.flags & CRYPTO_TFM_REQ_MAY_BACKLOG)) |
|
return ret; |
|
|
|
unmap_ctx: |
|
ahash_unmap_ctx(ctx->dev, edesc, req, DMA_BIDIRECTIONAL); |
|
qi_cache_free(edesc); |
|
return ret; |
|
} |
|
|
|
static int ahash_digest(struct ahash_request *req) |
|
{ |
|
struct crypto_ahash *ahash = crypto_ahash_reqtfm(req); |
|
struct caam_hash_ctx *ctx = crypto_ahash_ctx(ahash); |
|
struct caam_hash_state *state = ahash_request_ctx(req); |
|
struct caam_request *req_ctx = &state->caam_req; |
|
struct dpaa2_fl_entry *in_fle = &req_ctx->fd_flt[1]; |
|
struct dpaa2_fl_entry *out_fle = &req_ctx->fd_flt[0]; |
|
gfp_t flags = (req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP) ? |
|
GFP_KERNEL : GFP_ATOMIC; |
|
int digestsize = crypto_ahash_digestsize(ahash); |
|
int src_nents, mapped_nents; |
|
struct ahash_edesc *edesc; |
|
int ret = -ENOMEM; |
|
|
|
state->buf_dma = 0; |
|
|
|
src_nents = sg_nents_for_len(req->src, req->nbytes); |
|
if (src_nents < 0) { |
|
dev_err(ctx->dev, "Invalid number of src SG.\n"); |
|
return src_nents; |
|
} |
|
|
|
if (src_nents) { |
|
mapped_nents = dma_map_sg(ctx->dev, req->src, src_nents, |
|
DMA_TO_DEVICE); |
|
if (!mapped_nents) { |
|
dev_err(ctx->dev, "unable to map source for DMA\n"); |
|
return ret; |
|
} |
|
} else { |
|
mapped_nents = 0; |
|
} |
|
|
|
/* allocate space for base edesc and link tables */ |
|
edesc = qi_cache_zalloc(GFP_DMA | flags); |
|
if (!edesc) { |
|
dma_unmap_sg(ctx->dev, req->src, src_nents, DMA_TO_DEVICE); |
|
return ret; |
|
} |
|
|
|
edesc->src_nents = src_nents; |
|
memset(&req_ctx->fd_flt, 0, sizeof(req_ctx->fd_flt)); |
|
|
|
if (mapped_nents > 1) { |
|
int qm_sg_bytes; |
|
struct dpaa2_sg_entry *sg_table = &edesc->sgt[0]; |
|
|
|
qm_sg_bytes = pad_sg_nents(mapped_nents) * sizeof(*sg_table); |
|
sg_to_qm_sg_last(req->src, req->nbytes, sg_table, 0); |
|
edesc->qm_sg_dma = dma_map_single(ctx->dev, sg_table, |
|
qm_sg_bytes, DMA_TO_DEVICE); |
|
if (dma_mapping_error(ctx->dev, edesc->qm_sg_dma)) { |
|
dev_err(ctx->dev, "unable to map S/G table\n"); |
|
goto unmap; |
|
} |
|
edesc->qm_sg_bytes = qm_sg_bytes; |
|
dpaa2_fl_set_format(in_fle, dpaa2_fl_sg); |
|
dpaa2_fl_set_addr(in_fle, edesc->qm_sg_dma); |
|
} else { |
|
dpaa2_fl_set_format(in_fle, dpaa2_fl_single); |
|
dpaa2_fl_set_addr(in_fle, sg_dma_address(req->src)); |
|
} |
|
|
|
state->ctx_dma_len = digestsize; |
|
state->ctx_dma = dma_map_single(ctx->dev, state->caam_ctx, digestsize, |
|
DMA_FROM_DEVICE); |
|
if (dma_mapping_error(ctx->dev, state->ctx_dma)) { |
|
dev_err(ctx->dev, "unable to map ctx\n"); |
|
state->ctx_dma = 0; |
|
goto unmap; |
|
} |
|
|
|
dpaa2_fl_set_final(in_fle, true); |
|
dpaa2_fl_set_len(in_fle, req->nbytes); |
|
dpaa2_fl_set_format(out_fle, dpaa2_fl_single); |
|
dpaa2_fl_set_addr(out_fle, state->ctx_dma); |
|
dpaa2_fl_set_len(out_fle, digestsize); |
|
|
|
req_ctx->flc = &ctx->flc[DIGEST]; |
|
req_ctx->flc_dma = ctx->flc_dma[DIGEST]; |
|
req_ctx->cbk = ahash_done; |
|
req_ctx->ctx = &req->base; |
|
req_ctx->edesc = edesc; |
|
ret = dpaa2_caam_enqueue(ctx->dev, req_ctx); |
|
if (ret == -EINPROGRESS || |
|
(ret == -EBUSY && req->base.flags & CRYPTO_TFM_REQ_MAY_BACKLOG)) |
|
return ret; |
|
|
|
unmap: |
|
ahash_unmap_ctx(ctx->dev, edesc, req, DMA_FROM_DEVICE); |
|
qi_cache_free(edesc); |
|
return ret; |
|
} |
|
|
|
static int ahash_final_no_ctx(struct ahash_request *req) |
|
{ |
|
struct crypto_ahash *ahash = crypto_ahash_reqtfm(req); |
|
struct caam_hash_ctx *ctx = crypto_ahash_ctx(ahash); |
|
struct caam_hash_state *state = ahash_request_ctx(req); |
|
struct caam_request *req_ctx = &state->caam_req; |
|
struct dpaa2_fl_entry *in_fle = &req_ctx->fd_flt[1]; |
|
struct dpaa2_fl_entry *out_fle = &req_ctx->fd_flt[0]; |
|
gfp_t flags = (req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP) ? |
|
GFP_KERNEL : GFP_ATOMIC; |
|
u8 *buf = state->buf; |
|
int buflen = state->buflen; |
|
int digestsize = crypto_ahash_digestsize(ahash); |
|
struct ahash_edesc *edesc; |
|
int ret = -ENOMEM; |
|
|
|
/* allocate space for base edesc and link tables */ |
|
edesc = qi_cache_zalloc(GFP_DMA | flags); |
|
if (!edesc) |
|
return ret; |
|
|
|
if (buflen) { |
|
state->buf_dma = dma_map_single(ctx->dev, buf, buflen, |
|
DMA_TO_DEVICE); |
|
if (dma_mapping_error(ctx->dev, state->buf_dma)) { |
|
dev_err(ctx->dev, "unable to map src\n"); |
|
goto unmap; |
|
} |
|
} |
|
|
|
state->ctx_dma_len = digestsize; |
|
state->ctx_dma = dma_map_single(ctx->dev, state->caam_ctx, digestsize, |
|
DMA_FROM_DEVICE); |
|
if (dma_mapping_error(ctx->dev, state->ctx_dma)) { |
|
dev_err(ctx->dev, "unable to map ctx\n"); |
|
state->ctx_dma = 0; |
|
goto unmap; |
|
} |
|
|
|
memset(&req_ctx->fd_flt, 0, sizeof(req_ctx->fd_flt)); |
|
dpaa2_fl_set_final(in_fle, true); |
|
/* |
|
* crypto engine requires the input entry to be present when |
|
* "frame list" FD is used. |
|
* Since engine does not support FMT=2'b11 (unused entry type), leaving |
|
* in_fle zeroized (except for "Final" flag) is the best option. |
|
*/ |
|
if (buflen) { |
|
dpaa2_fl_set_format(in_fle, dpaa2_fl_single); |
|
dpaa2_fl_set_addr(in_fle, state->buf_dma); |
|
dpaa2_fl_set_len(in_fle, buflen); |
|
} |
|
dpaa2_fl_set_format(out_fle, dpaa2_fl_single); |
|
dpaa2_fl_set_addr(out_fle, state->ctx_dma); |
|
dpaa2_fl_set_len(out_fle, digestsize); |
|
|
|
req_ctx->flc = &ctx->flc[DIGEST]; |
|
req_ctx->flc_dma = ctx->flc_dma[DIGEST]; |
|
req_ctx->cbk = ahash_done; |
|
req_ctx->ctx = &req->base; |
|
req_ctx->edesc = edesc; |
|
|
|
ret = dpaa2_caam_enqueue(ctx->dev, req_ctx); |
|
if (ret == -EINPROGRESS || |
|
(ret == -EBUSY && req->base.flags & CRYPTO_TFM_REQ_MAY_BACKLOG)) |
|
return ret; |
|
|
|
unmap: |
|
ahash_unmap_ctx(ctx->dev, edesc, req, DMA_FROM_DEVICE); |
|
qi_cache_free(edesc); |
|
return ret; |
|
} |
|
|
|
static int ahash_update_no_ctx(struct ahash_request *req) |
|
{ |
|
struct crypto_ahash *ahash = crypto_ahash_reqtfm(req); |
|
struct caam_hash_ctx *ctx = crypto_ahash_ctx(ahash); |
|
struct caam_hash_state *state = ahash_request_ctx(req); |
|
struct caam_request *req_ctx = &state->caam_req; |
|
struct dpaa2_fl_entry *in_fle = &req_ctx->fd_flt[1]; |
|
struct dpaa2_fl_entry *out_fle = &req_ctx->fd_flt[0]; |
|
gfp_t flags = (req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP) ? |
|
GFP_KERNEL : GFP_ATOMIC; |
|
u8 *buf = state->buf; |
|
int *buflen = &state->buflen; |
|
int *next_buflen = &state->next_buflen; |
|
int in_len = *buflen + req->nbytes, to_hash; |
|
int qm_sg_bytes, src_nents, mapped_nents; |
|
struct ahash_edesc *edesc; |
|
int ret = 0; |
|
|
|
*next_buflen = in_len & (crypto_tfm_alg_blocksize(&ahash->base) - 1); |
|
to_hash = in_len - *next_buflen; |
|
|
|
if (to_hash) { |
|
struct dpaa2_sg_entry *sg_table; |
|
int src_len = req->nbytes - *next_buflen; |
|
|
|
src_nents = sg_nents_for_len(req->src, src_len); |
|
if (src_nents < 0) { |
|
dev_err(ctx->dev, "Invalid number of src SG.\n"); |
|
return src_nents; |
|
} |
|
|
|
if (src_nents) { |
|
mapped_nents = dma_map_sg(ctx->dev, req->src, src_nents, |
|
DMA_TO_DEVICE); |
|
if (!mapped_nents) { |
|
dev_err(ctx->dev, "unable to DMA map source\n"); |
|
return -ENOMEM; |
|
} |
|
} else { |
|
mapped_nents = 0; |
|
} |
|
|
|
/* allocate space for base edesc and link tables */ |
|
edesc = qi_cache_zalloc(GFP_DMA | flags); |
|
if (!edesc) { |
|
dma_unmap_sg(ctx->dev, req->src, src_nents, |
|
DMA_TO_DEVICE); |
|
return -ENOMEM; |
|
} |
|
|
|
edesc->src_nents = src_nents; |
|
qm_sg_bytes = pad_sg_nents(1 + mapped_nents) * |
|
sizeof(*sg_table); |
|
sg_table = &edesc->sgt[0]; |
|
|
|
ret = buf_map_to_qm_sg(ctx->dev, sg_table, state); |
|
if (ret) |
|
goto unmap_ctx; |
|
|
|
sg_to_qm_sg_last(req->src, src_len, sg_table + 1, 0); |
|
|
|
edesc->qm_sg_dma = dma_map_single(ctx->dev, sg_table, |
|
qm_sg_bytes, DMA_TO_DEVICE); |
|
if (dma_mapping_error(ctx->dev, edesc->qm_sg_dma)) { |
|
dev_err(ctx->dev, "unable to map S/G table\n"); |
|
ret = -ENOMEM; |
|
goto unmap_ctx; |
|
} |
|
edesc->qm_sg_bytes = qm_sg_bytes; |
|
|
|
state->ctx_dma_len = ctx->ctx_len; |
|
state->ctx_dma = dma_map_single(ctx->dev, state->caam_ctx, |
|
ctx->ctx_len, DMA_FROM_DEVICE); |
|
if (dma_mapping_error(ctx->dev, state->ctx_dma)) { |
|
dev_err(ctx->dev, "unable to map ctx\n"); |
|
state->ctx_dma = 0; |
|
ret = -ENOMEM; |
|
goto unmap_ctx; |
|
} |
|
|
|
memset(&req_ctx->fd_flt, 0, sizeof(req_ctx->fd_flt)); |
|
dpaa2_fl_set_final(in_fle, true); |
|
dpaa2_fl_set_format(in_fle, dpaa2_fl_sg); |
|
dpaa2_fl_set_addr(in_fle, edesc->qm_sg_dma); |
|
dpaa2_fl_set_len(in_fle, to_hash); |
|
dpaa2_fl_set_format(out_fle, dpaa2_fl_single); |
|
dpaa2_fl_set_addr(out_fle, state->ctx_dma); |
|
dpaa2_fl_set_len(out_fle, ctx->ctx_len); |
|
|
|
req_ctx->flc = &ctx->flc[UPDATE_FIRST]; |
|
req_ctx->flc_dma = ctx->flc_dma[UPDATE_FIRST]; |
|
req_ctx->cbk = ahash_done_ctx_dst; |
|
req_ctx->ctx = &req->base; |
|
req_ctx->edesc = edesc; |
|
|
|
ret = dpaa2_caam_enqueue(ctx->dev, req_ctx); |
|
if (ret != -EINPROGRESS && |
|
!(ret == -EBUSY && |
|
req->base.flags & CRYPTO_TFM_REQ_MAY_BACKLOG)) |
|
goto unmap_ctx; |
|
|
|
state->update = ahash_update_ctx; |
|
state->finup = ahash_finup_ctx; |
|
state->final = ahash_final_ctx; |
|
} else if (*next_buflen) { |
|
scatterwalk_map_and_copy(buf + *buflen, req->src, 0, |
|
req->nbytes, 0); |
|
*buflen = *next_buflen; |
|
|
|
print_hex_dump_debug("buf@" __stringify(__LINE__)": ", |
|
DUMP_PREFIX_ADDRESS, 16, 4, buf, |
|
*buflen, 1); |
|
} |
|
|
|
return ret; |
|
unmap_ctx: |
|
ahash_unmap_ctx(ctx->dev, edesc, req, DMA_TO_DEVICE); |
|
qi_cache_free(edesc); |
|
return ret; |
|
} |
|
|
|
static int ahash_finup_no_ctx(struct ahash_request *req) |
|
{ |
|
struct crypto_ahash *ahash = crypto_ahash_reqtfm(req); |
|
struct caam_hash_ctx *ctx = crypto_ahash_ctx(ahash); |
|
struct caam_hash_state *state = ahash_request_ctx(req); |
|
struct caam_request *req_ctx = &state->caam_req; |
|
struct dpaa2_fl_entry *in_fle = &req_ctx->fd_flt[1]; |
|
struct dpaa2_fl_entry *out_fle = &req_ctx->fd_flt[0]; |
|
gfp_t flags = (req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP) ? |
|
GFP_KERNEL : GFP_ATOMIC; |
|
int buflen = state->buflen; |
|
int qm_sg_bytes, src_nents, mapped_nents; |
|
int digestsize = crypto_ahash_digestsize(ahash); |
|
struct ahash_edesc *edesc; |
|
struct dpaa2_sg_entry *sg_table; |
|
int ret = -ENOMEM; |
|
|
|
src_nents = sg_nents_for_len(req->src, req->nbytes); |
|
if (src_nents < 0) { |
|
dev_err(ctx->dev, "Invalid number of src SG.\n"); |
|
return src_nents; |
|
} |
|
|
|
if (src_nents) { |
|
mapped_nents = dma_map_sg(ctx->dev, req->src, src_nents, |
|
DMA_TO_DEVICE); |
|
if (!mapped_nents) { |
|
dev_err(ctx->dev, "unable to DMA map source\n"); |
|
return ret; |
|
} |
|
} else { |
|
mapped_nents = 0; |
|
} |
|
|
|
/* allocate space for base edesc and link tables */ |
|
edesc = qi_cache_zalloc(GFP_DMA | flags); |
|
if (!edesc) { |
|
dma_unmap_sg(ctx->dev, req->src, src_nents, DMA_TO_DEVICE); |
|
return ret; |
|
} |
|
|
|
edesc->src_nents = src_nents; |
|
qm_sg_bytes = pad_sg_nents(2 + mapped_nents) * sizeof(*sg_table); |
|
sg_table = &edesc->sgt[0]; |
|
|
|
ret = buf_map_to_qm_sg(ctx->dev, sg_table, state); |
|
if (ret) |
|
goto unmap; |
|
|
|
sg_to_qm_sg_last(req->src, req->nbytes, sg_table + 1, 0); |
|
|
|
edesc->qm_sg_dma = dma_map_single(ctx->dev, sg_table, qm_sg_bytes, |
|
DMA_TO_DEVICE); |
|
if (dma_mapping_error(ctx->dev, edesc->qm_sg_dma)) { |
|
dev_err(ctx->dev, "unable to map S/G table\n"); |
|
ret = -ENOMEM; |
|
goto unmap; |
|
} |
|
edesc->qm_sg_bytes = qm_sg_bytes; |
|
|
|
state->ctx_dma_len = digestsize; |
|
state->ctx_dma = dma_map_single(ctx->dev, state->caam_ctx, digestsize, |
|
DMA_FROM_DEVICE); |
|
if (dma_mapping_error(ctx->dev, state->ctx_dma)) { |
|
dev_err(ctx->dev, "unable to map ctx\n"); |
|
state->ctx_dma = 0; |
|
ret = -ENOMEM; |
|
goto unmap; |
|
} |
|
|
|
memset(&req_ctx->fd_flt, 0, sizeof(req_ctx->fd_flt)); |
|
dpaa2_fl_set_final(in_fle, true); |
|
dpaa2_fl_set_format(in_fle, dpaa2_fl_sg); |
|
dpaa2_fl_set_addr(in_fle, edesc->qm_sg_dma); |
|
dpaa2_fl_set_len(in_fle, buflen + req->nbytes); |
|
dpaa2_fl_set_format(out_fle, dpaa2_fl_single); |
|
dpaa2_fl_set_addr(out_fle, state->ctx_dma); |
|
dpaa2_fl_set_len(out_fle, digestsize); |
|
|
|
req_ctx->flc = &ctx->flc[DIGEST]; |
|
req_ctx->flc_dma = ctx->flc_dma[DIGEST]; |
|
req_ctx->cbk = ahash_done; |
|
req_ctx->ctx = &req->base; |
|
req_ctx->edesc = edesc; |
|
ret = dpaa2_caam_enqueue(ctx->dev, req_ctx); |
|
if (ret != -EINPROGRESS && |
|
!(ret == -EBUSY && req->base.flags & CRYPTO_TFM_REQ_MAY_BACKLOG)) |
|
goto unmap; |
|
|
|
return ret; |
|
unmap: |
|
ahash_unmap_ctx(ctx->dev, edesc, req, DMA_FROM_DEVICE); |
|
qi_cache_free(edesc); |
|
return ret; |
|
} |
|
|
|
static int ahash_update_first(struct ahash_request *req) |
|
{ |
|
struct crypto_ahash *ahash = crypto_ahash_reqtfm(req); |
|
struct caam_hash_ctx *ctx = crypto_ahash_ctx(ahash); |
|
struct caam_hash_state *state = ahash_request_ctx(req); |
|
struct caam_request *req_ctx = &state->caam_req; |
|
struct dpaa2_fl_entry *in_fle = &req_ctx->fd_flt[1]; |
|
struct dpaa2_fl_entry *out_fle = &req_ctx->fd_flt[0]; |
|
gfp_t flags = (req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP) ? |
|
GFP_KERNEL : GFP_ATOMIC; |
|
u8 *buf = state->buf; |
|
int *buflen = &state->buflen; |
|
int *next_buflen = &state->next_buflen; |
|
int to_hash; |
|
int src_nents, mapped_nents; |
|
struct ahash_edesc *edesc; |
|
int ret = 0; |
|
|
|
*next_buflen = req->nbytes & (crypto_tfm_alg_blocksize(&ahash->base) - |
|
1); |
|
to_hash = req->nbytes - *next_buflen; |
|
|
|
if (to_hash) { |
|
struct dpaa2_sg_entry *sg_table; |
|
int src_len = req->nbytes - *next_buflen; |
|
|
|
src_nents = sg_nents_for_len(req->src, src_len); |
|
if (src_nents < 0) { |
|
dev_err(ctx->dev, "Invalid number of src SG.\n"); |
|
return src_nents; |
|
} |
|
|
|
if (src_nents) { |
|
mapped_nents = dma_map_sg(ctx->dev, req->src, src_nents, |
|
DMA_TO_DEVICE); |
|
if (!mapped_nents) { |
|
dev_err(ctx->dev, "unable to map source for DMA\n"); |
|
return -ENOMEM; |
|
} |
|
} else { |
|
mapped_nents = 0; |
|
} |
|
|
|
/* allocate space for base edesc and link tables */ |
|
edesc = qi_cache_zalloc(GFP_DMA | flags); |
|
if (!edesc) { |
|
dma_unmap_sg(ctx->dev, req->src, src_nents, |
|
DMA_TO_DEVICE); |
|
return -ENOMEM; |
|
} |
|
|
|
edesc->src_nents = src_nents; |
|
sg_table = &edesc->sgt[0]; |
|
|
|
memset(&req_ctx->fd_flt, 0, sizeof(req_ctx->fd_flt)); |
|
dpaa2_fl_set_final(in_fle, true); |
|
dpaa2_fl_set_len(in_fle, to_hash); |
|
|
|
if (mapped_nents > 1) { |
|
int qm_sg_bytes; |
|
|
|
sg_to_qm_sg_last(req->src, src_len, sg_table, 0); |
|
qm_sg_bytes = pad_sg_nents(mapped_nents) * |
|
sizeof(*sg_table); |
|
edesc->qm_sg_dma = dma_map_single(ctx->dev, sg_table, |
|
qm_sg_bytes, |
|
DMA_TO_DEVICE); |
|
if (dma_mapping_error(ctx->dev, edesc->qm_sg_dma)) { |
|
dev_err(ctx->dev, "unable to map S/G table\n"); |
|
ret = -ENOMEM; |
|
goto unmap_ctx; |
|
} |
|
edesc->qm_sg_bytes = qm_sg_bytes; |
|
dpaa2_fl_set_format(in_fle, dpaa2_fl_sg); |
|
dpaa2_fl_set_addr(in_fle, edesc->qm_sg_dma); |
|
} else { |
|
dpaa2_fl_set_format(in_fle, dpaa2_fl_single); |
|
dpaa2_fl_set_addr(in_fle, sg_dma_address(req->src)); |
|
} |
|
|
|
state->ctx_dma_len = ctx->ctx_len; |
|
state->ctx_dma = dma_map_single(ctx->dev, state->caam_ctx, |
|
ctx->ctx_len, DMA_FROM_DEVICE); |
|
if (dma_mapping_error(ctx->dev, state->ctx_dma)) { |
|
dev_err(ctx->dev, "unable to map ctx\n"); |
|
state->ctx_dma = 0; |
|
ret = -ENOMEM; |
|
goto unmap_ctx; |
|
} |
|
|
|
dpaa2_fl_set_format(out_fle, dpaa2_fl_single); |
|
dpaa2_fl_set_addr(out_fle, state->ctx_dma); |
|
dpaa2_fl_set_len(out_fle, ctx->ctx_len); |
|
|
|
req_ctx->flc = &ctx->flc[UPDATE_FIRST]; |
|
req_ctx->flc_dma = ctx->flc_dma[UPDATE_FIRST]; |
|
req_ctx->cbk = ahash_done_ctx_dst; |
|
req_ctx->ctx = &req->base; |
|
req_ctx->edesc = edesc; |
|
|
|
ret = dpaa2_caam_enqueue(ctx->dev, req_ctx); |
|
if (ret != -EINPROGRESS && |
|
!(ret == -EBUSY && req->base.flags & |
|
CRYPTO_TFM_REQ_MAY_BACKLOG)) |
|
goto unmap_ctx; |
|
|
|
state->update = ahash_update_ctx; |
|
state->finup = ahash_finup_ctx; |
|
state->final = ahash_final_ctx; |
|
} else if (*next_buflen) { |
|
state->update = ahash_update_no_ctx; |
|
state->finup = ahash_finup_no_ctx; |
|
state->final = ahash_final_no_ctx; |
|
scatterwalk_map_and_copy(buf, req->src, 0, |
|
req->nbytes, 0); |
|
*buflen = *next_buflen; |
|
|
|
print_hex_dump_debug("buf@" __stringify(__LINE__)": ", |
|
DUMP_PREFIX_ADDRESS, 16, 4, buf, |
|
*buflen, 1); |
|
} |
|
|
|
return ret; |
|
unmap_ctx: |
|
ahash_unmap_ctx(ctx->dev, edesc, req, DMA_TO_DEVICE); |
|
qi_cache_free(edesc); |
|
return ret; |
|
} |
|
|
|
static int ahash_finup_first(struct ahash_request *req) |
|
{ |
|
return ahash_digest(req); |
|
} |
|
|
|
static int ahash_init(struct ahash_request *req) |
|
{ |
|
struct caam_hash_state *state = ahash_request_ctx(req); |
|
|
|
state->update = ahash_update_first; |
|
state->finup = ahash_finup_first; |
|
state->final = ahash_final_no_ctx; |
|
|
|
state->ctx_dma = 0; |
|
state->ctx_dma_len = 0; |
|
state->buf_dma = 0; |
|
state->buflen = 0; |
|
state->next_buflen = 0; |
|
|
|
return 0; |
|
} |
|
|
|
static int ahash_update(struct ahash_request *req) |
|
{ |
|
struct caam_hash_state *state = ahash_request_ctx(req); |
|
|
|
return state->update(req); |
|
} |
|
|
|
static int ahash_finup(struct ahash_request *req) |
|
{ |
|
struct caam_hash_state *state = ahash_request_ctx(req); |
|
|
|
return state->finup(req); |
|
} |
|
|
|
static int ahash_final(struct ahash_request *req) |
|
{ |
|
struct caam_hash_state *state = ahash_request_ctx(req); |
|
|
|
return state->final(req); |
|
} |
|
|
|
static int ahash_export(struct ahash_request *req, void *out) |
|
{ |
|
struct caam_hash_state *state = ahash_request_ctx(req); |
|
struct caam_export_state *export = out; |
|
u8 *buf = state->buf; |
|
int len = state->buflen; |
|
|
|
memcpy(export->buf, buf, len); |
|
memcpy(export->caam_ctx, state->caam_ctx, sizeof(export->caam_ctx)); |
|
export->buflen = len; |
|
export->update = state->update; |
|
export->final = state->final; |
|
export->finup = state->finup; |
|
|
|
return 0; |
|
} |
|
|
|
static int ahash_import(struct ahash_request *req, const void *in) |
|
{ |
|
struct caam_hash_state *state = ahash_request_ctx(req); |
|
const struct caam_export_state *export = in; |
|
|
|
memset(state, 0, sizeof(*state)); |
|
memcpy(state->buf, export->buf, export->buflen); |
|
memcpy(state->caam_ctx, export->caam_ctx, sizeof(state->caam_ctx)); |
|
state->buflen = export->buflen; |
|
state->update = export->update; |
|
state->final = export->final; |
|
state->finup = export->finup; |
|
|
|
return 0; |
|
} |
|
|
|
struct caam_hash_template { |
|
char name[CRYPTO_MAX_ALG_NAME]; |
|
char driver_name[CRYPTO_MAX_ALG_NAME]; |
|
char hmac_name[CRYPTO_MAX_ALG_NAME]; |
|
char hmac_driver_name[CRYPTO_MAX_ALG_NAME]; |
|
unsigned int blocksize; |
|
struct ahash_alg template_ahash; |
|
u32 alg_type; |
|
}; |
|
|
|
/* ahash descriptors */ |
|
static struct caam_hash_template driver_hash[] = { |
|
{ |
|
.name = "sha1", |
|
.driver_name = "sha1-caam-qi2", |
|
.hmac_name = "hmac(sha1)", |
|
.hmac_driver_name = "hmac-sha1-caam-qi2", |
|
.blocksize = SHA1_BLOCK_SIZE, |
|
.template_ahash = { |
|
.init = ahash_init, |
|
.update = ahash_update, |
|
.final = ahash_final, |
|
.finup = ahash_finup, |
|
.digest = ahash_digest, |
|
.export = ahash_export, |
|
.import = ahash_import, |
|
.setkey = ahash_setkey, |
|
.halg = { |
|
.digestsize = SHA1_DIGEST_SIZE, |
|
.statesize = sizeof(struct caam_export_state), |
|
}, |
|
}, |
|
.alg_type = OP_ALG_ALGSEL_SHA1, |
|
}, { |
|
.name = "sha224", |
|
.driver_name = "sha224-caam-qi2", |
|
.hmac_name = "hmac(sha224)", |
|
.hmac_driver_name = "hmac-sha224-caam-qi2", |
|
.blocksize = SHA224_BLOCK_SIZE, |
|
.template_ahash = { |
|
.init = ahash_init, |
|
.update = ahash_update, |
|
.final = ahash_final, |
|
.finup = ahash_finup, |
|
.digest = ahash_digest, |
|
.export = ahash_export, |
|
.import = ahash_import, |
|
.setkey = ahash_setkey, |
|
.halg = { |
|
.digestsize = SHA224_DIGEST_SIZE, |
|
.statesize = sizeof(struct caam_export_state), |
|
}, |
|
}, |
|
.alg_type = OP_ALG_ALGSEL_SHA224, |
|
}, { |
|
.name = "sha256", |
|
.driver_name = "sha256-caam-qi2", |
|
.hmac_name = "hmac(sha256)", |
|
.hmac_driver_name = "hmac-sha256-caam-qi2", |
|
.blocksize = SHA256_BLOCK_SIZE, |
|
.template_ahash = { |
|
.init = ahash_init, |
|
.update = ahash_update, |
|
.final = ahash_final, |
|
.finup = ahash_finup, |
|
.digest = ahash_digest, |
|
.export = ahash_export, |
|
.import = ahash_import, |
|
.setkey = ahash_setkey, |
|
.halg = { |
|
.digestsize = SHA256_DIGEST_SIZE, |
|
.statesize = sizeof(struct caam_export_state), |
|
}, |
|
}, |
|
.alg_type = OP_ALG_ALGSEL_SHA256, |
|
}, { |
|
.name = "sha384", |
|
.driver_name = "sha384-caam-qi2", |
|
.hmac_name = "hmac(sha384)", |
|
.hmac_driver_name = "hmac-sha384-caam-qi2", |
|
.blocksize = SHA384_BLOCK_SIZE, |
|
.template_ahash = { |
|
.init = ahash_init, |
|
.update = ahash_update, |
|
.final = ahash_final, |
|
.finup = ahash_finup, |
|
.digest = ahash_digest, |
|
.export = ahash_export, |
|
.import = ahash_import, |
|
.setkey = ahash_setkey, |
|
.halg = { |
|
.digestsize = SHA384_DIGEST_SIZE, |
|
.statesize = sizeof(struct caam_export_state), |
|
}, |
|
}, |
|
.alg_type = OP_ALG_ALGSEL_SHA384, |
|
}, { |
|
.name = "sha512", |
|
.driver_name = "sha512-caam-qi2", |
|
.hmac_name = "hmac(sha512)", |
|
.hmac_driver_name = "hmac-sha512-caam-qi2", |
|
.blocksize = SHA512_BLOCK_SIZE, |
|
.template_ahash = { |
|
.init = ahash_init, |
|
.update = ahash_update, |
|
.final = ahash_final, |
|
.finup = ahash_finup, |
|
.digest = ahash_digest, |
|
.export = ahash_export, |
|
.import = ahash_import, |
|
.setkey = ahash_setkey, |
|
.halg = { |
|
.digestsize = SHA512_DIGEST_SIZE, |
|
.statesize = sizeof(struct caam_export_state), |
|
}, |
|
}, |
|
.alg_type = OP_ALG_ALGSEL_SHA512, |
|
}, { |
|
.name = "md5", |
|
.driver_name = "md5-caam-qi2", |
|
.hmac_name = "hmac(md5)", |
|
.hmac_driver_name = "hmac-md5-caam-qi2", |
|
.blocksize = MD5_BLOCK_WORDS * 4, |
|
.template_ahash = { |
|
.init = ahash_init, |
|
.update = ahash_update, |
|
.final = ahash_final, |
|
.finup = ahash_finup, |
|
.digest = ahash_digest, |
|
.export = ahash_export, |
|
.import = ahash_import, |
|
.setkey = ahash_setkey, |
|
.halg = { |
|
.digestsize = MD5_DIGEST_SIZE, |
|
.statesize = sizeof(struct caam_export_state), |
|
}, |
|
}, |
|
.alg_type = OP_ALG_ALGSEL_MD5, |
|
} |
|
}; |
|
|
|
struct caam_hash_alg { |
|
struct list_head entry; |
|
struct device *dev; |
|
int alg_type; |
|
struct ahash_alg ahash_alg; |
|
}; |
|
|
|
static int caam_hash_cra_init(struct crypto_tfm *tfm) |
|
{ |
|
struct crypto_ahash *ahash = __crypto_ahash_cast(tfm); |
|
struct crypto_alg *base = tfm->__crt_alg; |
|
struct hash_alg_common *halg = |
|
container_of(base, struct hash_alg_common, base); |
|
struct ahash_alg *alg = |
|
container_of(halg, struct ahash_alg, halg); |
|
struct caam_hash_alg *caam_hash = |
|
container_of(alg, struct caam_hash_alg, ahash_alg); |
|
struct caam_hash_ctx *ctx = crypto_tfm_ctx(tfm); |
|
/* Sizes for MDHA running digests: MD5, SHA1, 224, 256, 384, 512 */ |
|
static const u8 runninglen[] = { HASH_MSG_LEN + MD5_DIGEST_SIZE, |
|
HASH_MSG_LEN + SHA1_DIGEST_SIZE, |
|
HASH_MSG_LEN + 32, |
|
HASH_MSG_LEN + SHA256_DIGEST_SIZE, |
|
HASH_MSG_LEN + 64, |
|
HASH_MSG_LEN + SHA512_DIGEST_SIZE }; |
|
dma_addr_t dma_addr; |
|
int i; |
|
|
|
ctx->dev = caam_hash->dev; |
|
|
|
if (alg->setkey) { |
|
ctx->adata.key_dma = dma_map_single_attrs(ctx->dev, ctx->key, |
|
ARRAY_SIZE(ctx->key), |
|
DMA_TO_DEVICE, |
|
DMA_ATTR_SKIP_CPU_SYNC); |
|
if (dma_mapping_error(ctx->dev, ctx->adata.key_dma)) { |
|
dev_err(ctx->dev, "unable to map key\n"); |
|
return -ENOMEM; |
|
} |
|
} |
|
|
|
dma_addr = dma_map_single_attrs(ctx->dev, ctx->flc, sizeof(ctx->flc), |
|
DMA_BIDIRECTIONAL, |
|
DMA_ATTR_SKIP_CPU_SYNC); |
|
if (dma_mapping_error(ctx->dev, dma_addr)) { |
|
dev_err(ctx->dev, "unable to map shared descriptors\n"); |
|
if (ctx->adata.key_dma) |
|
dma_unmap_single_attrs(ctx->dev, ctx->adata.key_dma, |
|
ARRAY_SIZE(ctx->key), |
|
DMA_TO_DEVICE, |
|
DMA_ATTR_SKIP_CPU_SYNC); |
|
return -ENOMEM; |
|
} |
|
|
|
for (i = 0; i < HASH_NUM_OP; i++) |
|
ctx->flc_dma[i] = dma_addr + i * sizeof(ctx->flc[i]); |
|
|
|
/* copy descriptor header template value */ |
|
ctx->adata.algtype = OP_TYPE_CLASS2_ALG | caam_hash->alg_type; |
|
|
|
ctx->ctx_len = runninglen[(ctx->adata.algtype & |
|
OP_ALG_ALGSEL_SUBMASK) >> |
|
OP_ALG_ALGSEL_SHIFT]; |
|
|
|
crypto_ahash_set_reqsize(__crypto_ahash_cast(tfm), |
|
sizeof(struct caam_hash_state)); |
|
|
|
/* |
|
* For keyed hash algorithms shared descriptors |
|
* will be created later in setkey() callback |
|
*/ |
|
return alg->setkey ? 0 : ahash_set_sh_desc(ahash); |
|
} |
|
|
|
static void caam_hash_cra_exit(struct crypto_tfm *tfm) |
|
{ |
|
struct caam_hash_ctx *ctx = crypto_tfm_ctx(tfm); |
|
|
|
dma_unmap_single_attrs(ctx->dev, ctx->flc_dma[0], sizeof(ctx->flc), |
|
DMA_BIDIRECTIONAL, DMA_ATTR_SKIP_CPU_SYNC); |
|
if (ctx->adata.key_dma) |
|
dma_unmap_single_attrs(ctx->dev, ctx->adata.key_dma, |
|
ARRAY_SIZE(ctx->key), DMA_TO_DEVICE, |
|
DMA_ATTR_SKIP_CPU_SYNC); |
|
} |
|
|
|
static struct caam_hash_alg *caam_hash_alloc(struct device *dev, |
|
struct caam_hash_template *template, bool keyed) |
|
{ |
|
struct caam_hash_alg *t_alg; |
|
struct ahash_alg *halg; |
|
struct crypto_alg *alg; |
|
|
|
t_alg = kzalloc(sizeof(*t_alg), GFP_KERNEL); |
|
if (!t_alg) |
|
return ERR_PTR(-ENOMEM); |
|
|
|
t_alg->ahash_alg = template->template_ahash; |
|
halg = &t_alg->ahash_alg; |
|
alg = &halg->halg.base; |
|
|
|
if (keyed) { |
|
snprintf(alg->cra_name, CRYPTO_MAX_ALG_NAME, "%s", |
|
template->hmac_name); |
|
snprintf(alg->cra_driver_name, CRYPTO_MAX_ALG_NAME, "%s", |
|
template->hmac_driver_name); |
|
} else { |
|
snprintf(alg->cra_name, CRYPTO_MAX_ALG_NAME, "%s", |
|
template->name); |
|
snprintf(alg->cra_driver_name, CRYPTO_MAX_ALG_NAME, "%s", |
|
template->driver_name); |
|
t_alg->ahash_alg.setkey = NULL; |
|
} |
|
alg->cra_module = THIS_MODULE; |
|
alg->cra_init = caam_hash_cra_init; |
|
alg->cra_exit = caam_hash_cra_exit; |
|
alg->cra_ctxsize = sizeof(struct caam_hash_ctx); |
|
alg->cra_priority = CAAM_CRA_PRIORITY; |
|
alg->cra_blocksize = template->blocksize; |
|
alg->cra_alignmask = 0; |
|
alg->cra_flags = CRYPTO_ALG_ASYNC | CRYPTO_ALG_ALLOCATES_MEMORY; |
|
|
|
t_alg->alg_type = template->alg_type; |
|
t_alg->dev = dev; |
|
|
|
return t_alg; |
|
} |
|
|
|
static void dpaa2_caam_fqdan_cb(struct dpaa2_io_notification_ctx *nctx) |
|
{ |
|
struct dpaa2_caam_priv_per_cpu *ppriv; |
|
|
|
ppriv = container_of(nctx, struct dpaa2_caam_priv_per_cpu, nctx); |
|
napi_schedule_irqoff(&ppriv->napi); |
|
} |
|
|
|
static int __cold dpaa2_dpseci_dpio_setup(struct dpaa2_caam_priv *priv) |
|
{ |
|
struct device *dev = priv->dev; |
|
struct dpaa2_io_notification_ctx *nctx; |
|
struct dpaa2_caam_priv_per_cpu *ppriv; |
|
int err, i = 0, cpu; |
|
|
|
for_each_online_cpu(cpu) { |
|
ppriv = per_cpu_ptr(priv->ppriv, cpu); |
|
ppriv->priv = priv; |
|
nctx = &ppriv->nctx; |
|
nctx->is_cdan = 0; |
|
nctx->id = ppriv->rsp_fqid; |
|
nctx->desired_cpu = cpu; |
|
nctx->cb = dpaa2_caam_fqdan_cb; |
|
|
|
/* Register notification callbacks */ |
|
ppriv->dpio = dpaa2_io_service_select(cpu); |
|
err = dpaa2_io_service_register(ppriv->dpio, nctx, dev); |
|
if (unlikely(err)) { |
|
dev_dbg(dev, "No affine DPIO for cpu %d\n", cpu); |
|
nctx->cb = NULL; |
|
/* |
|
* If no affine DPIO for this core, there's probably |
|
* none available for next cores either. Signal we want |
|
* to retry later, in case the DPIO devices weren't |
|
* probed yet. |
|
*/ |
|
err = -EPROBE_DEFER; |
|
goto err; |
|
} |
|
|
|
ppriv->store = dpaa2_io_store_create(DPAA2_CAAM_STORE_SIZE, |
|
dev); |
|
if (unlikely(!ppriv->store)) { |
|
dev_err(dev, "dpaa2_io_store_create() failed\n"); |
|
err = -ENOMEM; |
|
goto err; |
|
} |
|
|
|
if (++i == priv->num_pairs) |
|
break; |
|
} |
|
|
|
return 0; |
|
|
|
err: |
|
for_each_online_cpu(cpu) { |
|
ppriv = per_cpu_ptr(priv->ppriv, cpu); |
|
if (!ppriv->nctx.cb) |
|
break; |
|
dpaa2_io_service_deregister(ppriv->dpio, &ppriv->nctx, dev); |
|
} |
|
|
|
for_each_online_cpu(cpu) { |
|
ppriv = per_cpu_ptr(priv->ppriv, cpu); |
|
if (!ppriv->store) |
|
break; |
|
dpaa2_io_store_destroy(ppriv->store); |
|
} |
|
|
|
return err; |
|
} |
|
|
|
static void __cold dpaa2_dpseci_dpio_free(struct dpaa2_caam_priv *priv) |
|
{ |
|
struct dpaa2_caam_priv_per_cpu *ppriv; |
|
int i = 0, cpu; |
|
|
|
for_each_online_cpu(cpu) { |
|
ppriv = per_cpu_ptr(priv->ppriv, cpu); |
|
dpaa2_io_service_deregister(ppriv->dpio, &ppriv->nctx, |
|
priv->dev); |
|
dpaa2_io_store_destroy(ppriv->store); |
|
|
|
if (++i == priv->num_pairs) |
|
return; |
|
} |
|
} |
|
|
|
static int dpaa2_dpseci_bind(struct dpaa2_caam_priv *priv) |
|
{ |
|
struct dpseci_rx_queue_cfg rx_queue_cfg; |
|
struct device *dev = priv->dev; |
|
struct fsl_mc_device *ls_dev = to_fsl_mc_device(dev); |
|
struct dpaa2_caam_priv_per_cpu *ppriv; |
|
int err = 0, i = 0, cpu; |
|
|
|
/* Configure Rx queues */ |
|
for_each_online_cpu(cpu) { |
|
ppriv = per_cpu_ptr(priv->ppriv, cpu); |
|
|
|
rx_queue_cfg.options = DPSECI_QUEUE_OPT_DEST | |
|
DPSECI_QUEUE_OPT_USER_CTX; |
|
rx_queue_cfg.order_preservation_en = 0; |
|
rx_queue_cfg.dest_cfg.dest_type = DPSECI_DEST_DPIO; |
|
rx_queue_cfg.dest_cfg.dest_id = ppriv->nctx.dpio_id; |
|
/* |
|
* Rx priority (WQ) doesn't really matter, since we use |
|
* pull mode, i.e. volatile dequeues from specific FQs |
|
*/ |
|
rx_queue_cfg.dest_cfg.priority = 0; |
|
rx_queue_cfg.user_ctx = ppriv->nctx.qman64; |
|
|
|
err = dpseci_set_rx_queue(priv->mc_io, 0, ls_dev->mc_handle, i, |
|
&rx_queue_cfg); |
|
if (err) { |
|
dev_err(dev, "dpseci_set_rx_queue() failed with err %d\n", |
|
err); |
|
return err; |
|
} |
|
|
|
if (++i == priv->num_pairs) |
|
break; |
|
} |
|
|
|
return err; |
|
} |
|
|
|
static void dpaa2_dpseci_congestion_free(struct dpaa2_caam_priv *priv) |
|
{ |
|
struct device *dev = priv->dev; |
|
|
|
if (!priv->cscn_mem) |
|
return; |
|
|
|
dma_unmap_single(dev, priv->cscn_dma, DPAA2_CSCN_SIZE, DMA_FROM_DEVICE); |
|
kfree(priv->cscn_mem); |
|
} |
|
|
|
static void dpaa2_dpseci_free(struct dpaa2_caam_priv *priv) |
|
{ |
|
struct device *dev = priv->dev; |
|
struct fsl_mc_device *ls_dev = to_fsl_mc_device(dev); |
|
int err; |
|
|
|
if (DPSECI_VER(priv->major_ver, priv->minor_ver) > DPSECI_VER(5, 3)) { |
|
err = dpseci_reset(priv->mc_io, 0, ls_dev->mc_handle); |
|
if (err) |
|
dev_err(dev, "dpseci_reset() failed\n"); |
|
} |
|
|
|
dpaa2_dpseci_congestion_free(priv); |
|
dpseci_close(priv->mc_io, 0, ls_dev->mc_handle); |
|
} |
|
|
|
static void dpaa2_caam_process_fd(struct dpaa2_caam_priv *priv, |
|
const struct dpaa2_fd *fd) |
|
{ |
|
struct caam_request *req; |
|
u32 fd_err; |
|
|
|
if (dpaa2_fd_get_format(fd) != dpaa2_fd_list) { |
|
dev_err(priv->dev, "Only Frame List FD format is supported!\n"); |
|
return; |
|
} |
|
|
|
fd_err = dpaa2_fd_get_ctrl(fd) & FD_CTRL_ERR_MASK; |
|
if (unlikely(fd_err)) |
|
dev_err_ratelimited(priv->dev, "FD error: %08x\n", fd_err); |
|
|
|
/* |
|
* FD[ADDR] is guaranteed to be valid, irrespective of errors reported |
|
* in FD[ERR] or FD[FRC]. |
|
*/ |
|
req = dpaa2_caam_iova_to_virt(priv, dpaa2_fd_get_addr(fd)); |
|
dma_unmap_single(priv->dev, req->fd_flt_dma, sizeof(req->fd_flt), |
|
DMA_BIDIRECTIONAL); |
|
req->cbk(req->ctx, dpaa2_fd_get_frc(fd)); |
|
} |
|
|
|
static int dpaa2_caam_pull_fq(struct dpaa2_caam_priv_per_cpu *ppriv) |
|
{ |
|
int err; |
|
|
|
/* Retry while portal is busy */ |
|
do { |
|
err = dpaa2_io_service_pull_fq(ppriv->dpio, ppriv->rsp_fqid, |
|
ppriv->store); |
|
} while (err == -EBUSY); |
|
|
|
if (unlikely(err)) |
|
dev_err(ppriv->priv->dev, "dpaa2_io_service_pull err %d", err); |
|
|
|
return err; |
|
} |
|
|
|
static int dpaa2_caam_store_consume(struct dpaa2_caam_priv_per_cpu *ppriv) |
|
{ |
|
struct dpaa2_dq *dq; |
|
int cleaned = 0, is_last; |
|
|
|
do { |
|
dq = dpaa2_io_store_next(ppriv->store, &is_last); |
|
if (unlikely(!dq)) { |
|
if (unlikely(!is_last)) { |
|
dev_dbg(ppriv->priv->dev, |
|
"FQ %d returned no valid frames\n", |
|
ppriv->rsp_fqid); |
|
/* |
|
* MUST retry until we get some sort of |
|
* valid response token (be it "empty dequeue" |
|
* or a valid frame). |
|
*/ |
|
continue; |
|
} |
|
break; |
|
} |
|
|
|
/* Process FD */ |
|
dpaa2_caam_process_fd(ppriv->priv, dpaa2_dq_fd(dq)); |
|
cleaned++; |
|
} while (!is_last); |
|
|
|
return cleaned; |
|
} |
|
|
|
static int dpaa2_dpseci_poll(struct napi_struct *napi, int budget) |
|
{ |
|
struct dpaa2_caam_priv_per_cpu *ppriv; |
|
struct dpaa2_caam_priv *priv; |
|
int err, cleaned = 0, store_cleaned; |
|
|
|
ppriv = container_of(napi, struct dpaa2_caam_priv_per_cpu, napi); |
|
priv = ppriv->priv; |
|
|
|
if (unlikely(dpaa2_caam_pull_fq(ppriv))) |
|
return 0; |
|
|
|
do { |
|
store_cleaned = dpaa2_caam_store_consume(ppriv); |
|
cleaned += store_cleaned; |
|
|
|
if (store_cleaned == 0 || |
|
cleaned > budget - DPAA2_CAAM_STORE_SIZE) |
|
break; |
|
|
|
/* Try to dequeue some more */ |
|
err = dpaa2_caam_pull_fq(ppriv); |
|
if (unlikely(err)) |
|
break; |
|
} while (1); |
|
|
|
if (cleaned < budget) { |
|
napi_complete_done(napi, cleaned); |
|
err = dpaa2_io_service_rearm(ppriv->dpio, &ppriv->nctx); |
|
if (unlikely(err)) |
|
dev_err(priv->dev, "Notification rearm failed: %d\n", |
|
err); |
|
} |
|
|
|
return cleaned; |
|
} |
|
|
|
static int dpaa2_dpseci_congestion_setup(struct dpaa2_caam_priv *priv, |
|
u16 token) |
|
{ |
|
struct dpseci_congestion_notification_cfg cong_notif_cfg = { 0 }; |
|
struct device *dev = priv->dev; |
|
int err; |
|
|
|
/* |
|
* Congestion group feature supported starting with DPSECI API v5.1 |
|
* and only when object has been created with this capability. |
|
*/ |
|
if ((DPSECI_VER(priv->major_ver, priv->minor_ver) < DPSECI_VER(5, 1)) || |
|
!(priv->dpseci_attr.options & DPSECI_OPT_HAS_CG)) |
|
return 0; |
|
|
|
priv->cscn_mem = kzalloc(DPAA2_CSCN_SIZE + DPAA2_CSCN_ALIGN, |
|
GFP_KERNEL | GFP_DMA); |
|
if (!priv->cscn_mem) |
|
return -ENOMEM; |
|
|
|
priv->cscn_mem_aligned = PTR_ALIGN(priv->cscn_mem, DPAA2_CSCN_ALIGN); |
|
priv->cscn_dma = dma_map_single(dev, priv->cscn_mem_aligned, |
|
DPAA2_CSCN_SIZE, DMA_FROM_DEVICE); |
|
if (dma_mapping_error(dev, priv->cscn_dma)) { |
|
dev_err(dev, "Error mapping CSCN memory area\n"); |
|
err = -ENOMEM; |
|
goto err_dma_map; |
|
} |
|
|
|
cong_notif_cfg.units = DPSECI_CONGESTION_UNIT_BYTES; |
|
cong_notif_cfg.threshold_entry = DPAA2_SEC_CONG_ENTRY_THRESH; |
|
cong_notif_cfg.threshold_exit = DPAA2_SEC_CONG_EXIT_THRESH; |
|
cong_notif_cfg.message_ctx = (uintptr_t)priv; |
|
cong_notif_cfg.message_iova = priv->cscn_dma; |
|
cong_notif_cfg.notification_mode = DPSECI_CGN_MODE_WRITE_MEM_ON_ENTER | |
|
DPSECI_CGN_MODE_WRITE_MEM_ON_EXIT | |
|
DPSECI_CGN_MODE_COHERENT_WRITE; |
|
|
|
err = dpseci_set_congestion_notification(priv->mc_io, 0, token, |
|
&cong_notif_cfg); |
|
if (err) { |
|
dev_err(dev, "dpseci_set_congestion_notification failed\n"); |
|
goto err_set_cong; |
|
} |
|
|
|
return 0; |
|
|
|
err_set_cong: |
|
dma_unmap_single(dev, priv->cscn_dma, DPAA2_CSCN_SIZE, DMA_FROM_DEVICE); |
|
err_dma_map: |
|
kfree(priv->cscn_mem); |
|
|
|
return err; |
|
} |
|
|
|
static int __cold dpaa2_dpseci_setup(struct fsl_mc_device *ls_dev) |
|
{ |
|
struct device *dev = &ls_dev->dev; |
|
struct dpaa2_caam_priv *priv; |
|
struct dpaa2_caam_priv_per_cpu *ppriv; |
|
int err, cpu; |
|
u8 i; |
|
|
|
priv = dev_get_drvdata(dev); |
|
|
|
priv->dev = dev; |
|
priv->dpsec_id = ls_dev->obj_desc.id; |
|
|
|
/* Get a handle for the DPSECI this interface is associate with */ |
|
err = dpseci_open(priv->mc_io, 0, priv->dpsec_id, &ls_dev->mc_handle); |
|
if (err) { |
|
dev_err(dev, "dpseci_open() failed: %d\n", err); |
|
goto err_open; |
|
} |
|
|
|
err = dpseci_get_api_version(priv->mc_io, 0, &priv->major_ver, |
|
&priv->minor_ver); |
|
if (err) { |
|
dev_err(dev, "dpseci_get_api_version() failed\n"); |
|
goto err_get_vers; |
|
} |
|
|
|
dev_info(dev, "dpseci v%d.%d\n", priv->major_ver, priv->minor_ver); |
|
|
|
if (DPSECI_VER(priv->major_ver, priv->minor_ver) > DPSECI_VER(5, 3)) { |
|
err = dpseci_reset(priv->mc_io, 0, ls_dev->mc_handle); |
|
if (err) { |
|
dev_err(dev, "dpseci_reset() failed\n"); |
|
goto err_get_vers; |
|
} |
|
} |
|
|
|
err = dpseci_get_attributes(priv->mc_io, 0, ls_dev->mc_handle, |
|
&priv->dpseci_attr); |
|
if (err) { |
|
dev_err(dev, "dpseci_get_attributes() failed\n"); |
|
goto err_get_vers; |
|
} |
|
|
|
err = dpseci_get_sec_attr(priv->mc_io, 0, ls_dev->mc_handle, |
|
&priv->sec_attr); |
|
if (err) { |
|
dev_err(dev, "dpseci_get_sec_attr() failed\n"); |
|
goto err_get_vers; |
|
} |
|
|
|
err = dpaa2_dpseci_congestion_setup(priv, ls_dev->mc_handle); |
|
if (err) { |
|
dev_err(dev, "setup_congestion() failed\n"); |
|
goto err_get_vers; |
|
} |
|
|
|
priv->num_pairs = min(priv->dpseci_attr.num_rx_queues, |
|
priv->dpseci_attr.num_tx_queues); |
|
if (priv->num_pairs > num_online_cpus()) { |
|
dev_warn(dev, "%d queues won't be used\n", |
|
priv->num_pairs - num_online_cpus()); |
|
priv->num_pairs = num_online_cpus(); |
|
} |
|
|
|
for (i = 0; i < priv->dpseci_attr.num_rx_queues; i++) { |
|
err = dpseci_get_rx_queue(priv->mc_io, 0, ls_dev->mc_handle, i, |
|
&priv->rx_queue_attr[i]); |
|
if (err) { |
|
dev_err(dev, "dpseci_get_rx_queue() failed\n"); |
|
goto err_get_rx_queue; |
|
} |
|
} |
|
|
|
for (i = 0; i < priv->dpseci_attr.num_tx_queues; i++) { |
|
err = dpseci_get_tx_queue(priv->mc_io, 0, ls_dev->mc_handle, i, |
|
&priv->tx_queue_attr[i]); |
|
if (err) { |
|
dev_err(dev, "dpseci_get_tx_queue() failed\n"); |
|
goto err_get_rx_queue; |
|
} |
|
} |
|
|
|
i = 0; |
|
for_each_online_cpu(cpu) { |
|
u8 j; |
|
|
|
j = i % priv->num_pairs; |
|
|
|
ppriv = per_cpu_ptr(priv->ppriv, cpu); |
|
ppriv->req_fqid = priv->tx_queue_attr[j].fqid; |
|
|
|
/* |
|
* Allow all cores to enqueue, while only some of them |
|
* will take part in dequeuing. |
|
*/ |
|
if (++i > priv->num_pairs) |
|
continue; |
|
|
|
ppriv->rsp_fqid = priv->rx_queue_attr[j].fqid; |
|
ppriv->prio = j; |
|
|
|
dev_dbg(dev, "pair %d: rx queue %d, tx queue %d\n", j, |
|
priv->rx_queue_attr[j].fqid, |
|
priv->tx_queue_attr[j].fqid); |
|
|
|
ppriv->net_dev.dev = *dev; |
|
INIT_LIST_HEAD(&ppriv->net_dev.napi_list); |
|
netif_napi_add(&ppriv->net_dev, &ppriv->napi, dpaa2_dpseci_poll, |
|
DPAA2_CAAM_NAPI_WEIGHT); |
|
} |
|
|
|
return 0; |
|
|
|
err_get_rx_queue: |
|
dpaa2_dpseci_congestion_free(priv); |
|
err_get_vers: |
|
dpseci_close(priv->mc_io, 0, ls_dev->mc_handle); |
|
err_open: |
|
return err; |
|
} |
|
|
|
static int dpaa2_dpseci_enable(struct dpaa2_caam_priv *priv) |
|
{ |
|
struct device *dev = priv->dev; |
|
struct fsl_mc_device *ls_dev = to_fsl_mc_device(dev); |
|
struct dpaa2_caam_priv_per_cpu *ppriv; |
|
int i; |
|
|
|
for (i = 0; i < priv->num_pairs; i++) { |
|
ppriv = per_cpu_ptr(priv->ppriv, i); |
|
napi_enable(&ppriv->napi); |
|
} |
|
|
|
return dpseci_enable(priv->mc_io, 0, ls_dev->mc_handle); |
|
} |
|
|
|
static int __cold dpaa2_dpseci_disable(struct dpaa2_caam_priv *priv) |
|
{ |
|
struct device *dev = priv->dev; |
|
struct dpaa2_caam_priv_per_cpu *ppriv; |
|
struct fsl_mc_device *ls_dev = to_fsl_mc_device(dev); |
|
int i, err = 0, enabled; |
|
|
|
err = dpseci_disable(priv->mc_io, 0, ls_dev->mc_handle); |
|
if (err) { |
|
dev_err(dev, "dpseci_disable() failed\n"); |
|
return err; |
|
} |
|
|
|
err = dpseci_is_enabled(priv->mc_io, 0, ls_dev->mc_handle, &enabled); |
|
if (err) { |
|
dev_err(dev, "dpseci_is_enabled() failed\n"); |
|
return err; |
|
} |
|
|
|
dev_dbg(dev, "disable: %s\n", enabled ? "false" : "true"); |
|
|
|
for (i = 0; i < priv->num_pairs; i++) { |
|
ppriv = per_cpu_ptr(priv->ppriv, i); |
|
napi_disable(&ppriv->napi); |
|
netif_napi_del(&ppriv->napi); |
|
} |
|
|
|
return 0; |
|
} |
|
|
|
static struct list_head hash_list; |
|
|
|
static int dpaa2_caam_probe(struct fsl_mc_device *dpseci_dev) |
|
{ |
|
struct device *dev; |
|
struct dpaa2_caam_priv *priv; |
|
int i, err = 0; |
|
bool registered = false; |
|
|
|
/* |
|
* There is no way to get CAAM endianness - there is no direct register |
|
* space access and MC f/w does not provide this attribute. |
|
* All DPAA2-based SoCs have little endian CAAM, thus hard-code this |
|
* property. |
|
*/ |
|
caam_little_end = true; |
|
|
|
caam_imx = false; |
|
|
|
dev = &dpseci_dev->dev; |
|
|
|
priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL); |
|
if (!priv) |
|
return -ENOMEM; |
|
|
|
dev_set_drvdata(dev, priv); |
|
|
|
priv->domain = iommu_get_domain_for_dev(dev); |
|
|
|
qi_cache = kmem_cache_create("dpaa2_caamqicache", CAAM_QI_MEMCACHE_SIZE, |
|
0, SLAB_CACHE_DMA, NULL); |
|
if (!qi_cache) { |
|
dev_err(dev, "Can't allocate SEC cache\n"); |
|
return -ENOMEM; |
|
} |
|
|
|
err = dma_set_mask_and_coherent(dev, DMA_BIT_MASK(49)); |
|
if (err) { |
|
dev_err(dev, "dma_set_mask_and_coherent() failed\n"); |
|
goto err_dma_mask; |
|
} |
|
|
|
/* Obtain a MC portal */ |
|
err = fsl_mc_portal_allocate(dpseci_dev, 0, &priv->mc_io); |
|
if (err) { |
|
if (err == -ENXIO) |
|
err = -EPROBE_DEFER; |
|
else |
|
dev_err(dev, "MC portal allocation failed\n"); |
|
|
|
goto err_dma_mask; |
|
} |
|
|
|
priv->ppriv = alloc_percpu(*priv->ppriv); |
|
if (!priv->ppriv) { |
|
dev_err(dev, "alloc_percpu() failed\n"); |
|
err = -ENOMEM; |
|
goto err_alloc_ppriv; |
|
} |
|
|
|
/* DPSECI initialization */ |
|
err = dpaa2_dpseci_setup(dpseci_dev); |
|
if (err) { |
|
dev_err(dev, "dpaa2_dpseci_setup() failed\n"); |
|
goto err_dpseci_setup; |
|
} |
|
|
|
/* DPIO */ |
|
err = dpaa2_dpseci_dpio_setup(priv); |
|
if (err) { |
|
dev_err_probe(dev, err, "dpaa2_dpseci_dpio_setup() failed\n"); |
|
goto err_dpio_setup; |
|
} |
|
|
|
/* DPSECI binding to DPIO */ |
|
err = dpaa2_dpseci_bind(priv); |
|
if (err) { |
|
dev_err(dev, "dpaa2_dpseci_bind() failed\n"); |
|
goto err_bind; |
|
} |
|
|
|
/* DPSECI enable */ |
|
err = dpaa2_dpseci_enable(priv); |
|
if (err) { |
|
dev_err(dev, "dpaa2_dpseci_enable() failed\n"); |
|
goto err_bind; |
|
} |
|
|
|
dpaa2_dpseci_debugfs_init(priv); |
|
|
|
/* register crypto algorithms the device supports */ |
|
for (i = 0; i < ARRAY_SIZE(driver_algs); i++) { |
|
struct caam_skcipher_alg *t_alg = driver_algs + i; |
|
u32 alg_sel = t_alg->caam.class1_alg_type & OP_ALG_ALGSEL_MASK; |
|
|
|
/* Skip DES algorithms if not supported by device */ |
|
if (!priv->sec_attr.des_acc_num && |
|
(alg_sel == OP_ALG_ALGSEL_3DES || |
|
alg_sel == OP_ALG_ALGSEL_DES)) |
|
continue; |
|
|
|
/* Skip AES algorithms if not supported by device */ |
|
if (!priv->sec_attr.aes_acc_num && |
|
alg_sel == OP_ALG_ALGSEL_AES) |
|
continue; |
|
|
|
/* Skip CHACHA20 algorithms if not supported by device */ |
|
if (alg_sel == OP_ALG_ALGSEL_CHACHA20 && |
|
!priv->sec_attr.ccha_acc_num) |
|
continue; |
|
|
|
t_alg->caam.dev = dev; |
|
caam_skcipher_alg_init(t_alg); |
|
|
|
err = crypto_register_skcipher(&t_alg->skcipher); |
|
if (err) { |
|
dev_warn(dev, "%s alg registration failed: %d\n", |
|
t_alg->skcipher.base.cra_driver_name, err); |
|
continue; |
|
} |
|
|
|
t_alg->registered = true; |
|
registered = true; |
|
} |
|
|
|
for (i = 0; i < ARRAY_SIZE(driver_aeads); i++) { |
|
struct caam_aead_alg *t_alg = driver_aeads + i; |
|
u32 c1_alg_sel = t_alg->caam.class1_alg_type & |
|
OP_ALG_ALGSEL_MASK; |
|
u32 c2_alg_sel = t_alg->caam.class2_alg_type & |
|
OP_ALG_ALGSEL_MASK; |
|
|
|
/* Skip DES algorithms if not supported by device */ |
|
if (!priv->sec_attr.des_acc_num && |
|
(c1_alg_sel == OP_ALG_ALGSEL_3DES || |
|
c1_alg_sel == OP_ALG_ALGSEL_DES)) |
|
continue; |
|
|
|
/* Skip AES algorithms if not supported by device */ |
|
if (!priv->sec_attr.aes_acc_num && |
|
c1_alg_sel == OP_ALG_ALGSEL_AES) |
|
continue; |
|
|
|
/* Skip CHACHA20 algorithms if not supported by device */ |
|
if (c1_alg_sel == OP_ALG_ALGSEL_CHACHA20 && |
|
!priv->sec_attr.ccha_acc_num) |
|
continue; |
|
|
|
/* Skip POLY1305 algorithms if not supported by device */ |
|
if (c2_alg_sel == OP_ALG_ALGSEL_POLY1305 && |
|
!priv->sec_attr.ptha_acc_num) |
|
continue; |
|
|
|
/* |
|
* Skip algorithms requiring message digests |
|
* if MD not supported by device. |
|
*/ |
|
if ((c2_alg_sel & ~OP_ALG_ALGSEL_SUBMASK) == 0x40 && |
|
!priv->sec_attr.md_acc_num) |
|
continue; |
|
|
|
t_alg->caam.dev = dev; |
|
caam_aead_alg_init(t_alg); |
|
|
|
err = crypto_register_aead(&t_alg->aead); |
|
if (err) { |
|
dev_warn(dev, "%s alg registration failed: %d\n", |
|
t_alg->aead.base.cra_driver_name, err); |
|
continue; |
|
} |
|
|
|
t_alg->registered = true; |
|
registered = true; |
|
} |
|
if (registered) |
|
dev_info(dev, "algorithms registered in /proc/crypto\n"); |
|
|
|
/* register hash algorithms the device supports */ |
|
INIT_LIST_HEAD(&hash_list); |
|
|
|
/* |
|
* Skip registration of any hashing algorithms if MD block |
|
* is not present. |
|
*/ |
|
if (!priv->sec_attr.md_acc_num) |
|
return 0; |
|
|
|
for (i = 0; i < ARRAY_SIZE(driver_hash); i++) { |
|
struct caam_hash_alg *t_alg; |
|
struct caam_hash_template *alg = driver_hash + i; |
|
|
|
/* register hmac version */ |
|
t_alg = caam_hash_alloc(dev, alg, true); |
|
if (IS_ERR(t_alg)) { |
|
err = PTR_ERR(t_alg); |
|
dev_warn(dev, "%s hash alg allocation failed: %d\n", |
|
alg->hmac_driver_name, err); |
|
continue; |
|
} |
|
|
|
err = crypto_register_ahash(&t_alg->ahash_alg); |
|
if (err) { |
|
dev_warn(dev, "%s alg registration failed: %d\n", |
|
t_alg->ahash_alg.halg.base.cra_driver_name, |
|
err); |
|
kfree(t_alg); |
|
} else { |
|
list_add_tail(&t_alg->entry, &hash_list); |
|
} |
|
|
|
/* register unkeyed version */ |
|
t_alg = caam_hash_alloc(dev, alg, false); |
|
if (IS_ERR(t_alg)) { |
|
err = PTR_ERR(t_alg); |
|
dev_warn(dev, "%s alg allocation failed: %d\n", |
|
alg->driver_name, err); |
|
continue; |
|
} |
|
|
|
err = crypto_register_ahash(&t_alg->ahash_alg); |
|
if (err) { |
|
dev_warn(dev, "%s alg registration failed: %d\n", |
|
t_alg->ahash_alg.halg.base.cra_driver_name, |
|
err); |
|
kfree(t_alg); |
|
} else { |
|
list_add_tail(&t_alg->entry, &hash_list); |
|
} |
|
} |
|
if (!list_empty(&hash_list)) |
|
dev_info(dev, "hash algorithms registered in /proc/crypto\n"); |
|
|
|
return err; |
|
|
|
err_bind: |
|
dpaa2_dpseci_dpio_free(priv); |
|
err_dpio_setup: |
|
dpaa2_dpseci_free(priv); |
|
err_dpseci_setup: |
|
free_percpu(priv->ppriv); |
|
err_alloc_ppriv: |
|
fsl_mc_portal_free(priv->mc_io); |
|
err_dma_mask: |
|
kmem_cache_destroy(qi_cache); |
|
|
|
return err; |
|
} |
|
|
|
static int __cold dpaa2_caam_remove(struct fsl_mc_device *ls_dev) |
|
{ |
|
struct device *dev; |
|
struct dpaa2_caam_priv *priv; |
|
int i; |
|
|
|
dev = &ls_dev->dev; |
|
priv = dev_get_drvdata(dev); |
|
|
|
dpaa2_dpseci_debugfs_exit(priv); |
|
|
|
for (i = 0; i < ARRAY_SIZE(driver_aeads); i++) { |
|
struct caam_aead_alg *t_alg = driver_aeads + i; |
|
|
|
if (t_alg->registered) |
|
crypto_unregister_aead(&t_alg->aead); |
|
} |
|
|
|
for (i = 0; i < ARRAY_SIZE(driver_algs); i++) { |
|
struct caam_skcipher_alg *t_alg = driver_algs + i; |
|
|
|
if (t_alg->registered) |
|
crypto_unregister_skcipher(&t_alg->skcipher); |
|
} |
|
|
|
if (hash_list.next) { |
|
struct caam_hash_alg *t_hash_alg, *p; |
|
|
|
list_for_each_entry_safe(t_hash_alg, p, &hash_list, entry) { |
|
crypto_unregister_ahash(&t_hash_alg->ahash_alg); |
|
list_del(&t_hash_alg->entry); |
|
kfree(t_hash_alg); |
|
} |
|
} |
|
|
|
dpaa2_dpseci_disable(priv); |
|
dpaa2_dpseci_dpio_free(priv); |
|
dpaa2_dpseci_free(priv); |
|
free_percpu(priv->ppriv); |
|
fsl_mc_portal_free(priv->mc_io); |
|
kmem_cache_destroy(qi_cache); |
|
|
|
return 0; |
|
} |
|
|
|
int dpaa2_caam_enqueue(struct device *dev, struct caam_request *req) |
|
{ |
|
struct dpaa2_fd fd; |
|
struct dpaa2_caam_priv *priv = dev_get_drvdata(dev); |
|
struct dpaa2_caam_priv_per_cpu *ppriv; |
|
int err = 0, i; |
|
|
|
if (IS_ERR(req)) |
|
return PTR_ERR(req); |
|
|
|
if (priv->cscn_mem) { |
|
dma_sync_single_for_cpu(priv->dev, priv->cscn_dma, |
|
DPAA2_CSCN_SIZE, |
|
DMA_FROM_DEVICE); |
|
if (unlikely(dpaa2_cscn_state_congested(priv->cscn_mem_aligned))) { |
|
dev_dbg_ratelimited(dev, "Dropping request\n"); |
|
return -EBUSY; |
|
} |
|
} |
|
|
|
dpaa2_fl_set_flc(&req->fd_flt[1], req->flc_dma); |
|
|
|
req->fd_flt_dma = dma_map_single(dev, req->fd_flt, sizeof(req->fd_flt), |
|
DMA_BIDIRECTIONAL); |
|
if (dma_mapping_error(dev, req->fd_flt_dma)) { |
|
dev_err(dev, "DMA mapping error for QI enqueue request\n"); |
|
goto err_out; |
|
} |
|
|
|
memset(&fd, 0, sizeof(fd)); |
|
dpaa2_fd_set_format(&fd, dpaa2_fd_list); |
|
dpaa2_fd_set_addr(&fd, req->fd_flt_dma); |
|
dpaa2_fd_set_len(&fd, dpaa2_fl_get_len(&req->fd_flt[1])); |
|
dpaa2_fd_set_flc(&fd, req->flc_dma); |
|
|
|
ppriv = this_cpu_ptr(priv->ppriv); |
|
for (i = 0; i < (priv->dpseci_attr.num_tx_queues << 1); i++) { |
|
err = dpaa2_io_service_enqueue_fq(ppriv->dpio, ppriv->req_fqid, |
|
&fd); |
|
if (err != -EBUSY) |
|
break; |
|
|
|
cpu_relax(); |
|
} |
|
|
|
if (unlikely(err)) { |
|
dev_err_ratelimited(dev, "Error enqueuing frame: %d\n", err); |
|
goto err_out; |
|
} |
|
|
|
return -EINPROGRESS; |
|
|
|
err_out: |
|
dma_unmap_single(dev, req->fd_flt_dma, sizeof(req->fd_flt), |
|
DMA_BIDIRECTIONAL); |
|
return -EIO; |
|
} |
|
EXPORT_SYMBOL(dpaa2_caam_enqueue); |
|
|
|
static const struct fsl_mc_device_id dpaa2_caam_match_id_table[] = { |
|
{ |
|
.vendor = FSL_MC_VENDOR_FREESCALE, |
|
.obj_type = "dpseci", |
|
}, |
|
{ .vendor = 0x0 } |
|
}; |
|
MODULE_DEVICE_TABLE(fslmc, dpaa2_caam_match_id_table); |
|
|
|
static struct fsl_mc_driver dpaa2_caam_driver = { |
|
.driver = { |
|
.name = KBUILD_MODNAME, |
|
.owner = THIS_MODULE, |
|
}, |
|
.probe = dpaa2_caam_probe, |
|
.remove = dpaa2_caam_remove, |
|
.match_id_table = dpaa2_caam_match_id_table |
|
}; |
|
|
|
MODULE_LICENSE("Dual BSD/GPL"); |
|
MODULE_AUTHOR("Freescale Semiconductor, Inc"); |
|
MODULE_DESCRIPTION("Freescale DPAA2 CAAM Driver"); |
|
|
|
module_fsl_mc_driver(dpaa2_caam_driver);
|
|
|