diff options
Diffstat (limited to 'drivers/crypto/n2_core.c')
-rw-r--r-- | drivers/crypto/n2_core.c | 123 |
1 files changed, 65 insertions, 58 deletions
diff --git a/drivers/crypto/n2_core.c b/drivers/crypto/n2_core.c index 8566be832f51..23163fda5035 100644 --- a/drivers/crypto/n2_core.c +++ b/drivers/crypto/n2_core.c @@ -251,16 +251,10 @@ static void n2_base_ctx_init(struct n2_base_ctx *ctx) struct n2_hash_ctx { struct n2_base_ctx base; - struct crypto_ahash *fallback; + struct crypto_ahash *fallback_tfm; +}; - /* These next three members must match the layout created by - * crypto_init_shash_ops_async. This allows us to properly - * plumb requests we can't do in hardware down to the fallback - * operation, providing all of the data structures and layouts - * expected by those paths. - */ - struct ahash_request fallback_req; - struct shash_desc fallback_desc; +struct n2_hash_req_ctx { union { struct md5_state md5; struct sha1_state sha1; @@ -269,56 +263,62 @@ struct n2_hash_ctx { unsigned char hash_key[64]; unsigned char keyed_zero_hash[32]; + + struct ahash_request fallback_req; }; static int n2_hash_async_init(struct ahash_request *req) { + struct n2_hash_req_ctx *rctx = ahash_request_ctx(req); struct crypto_ahash *tfm = crypto_ahash_reqtfm(req); struct n2_hash_ctx *ctx = crypto_ahash_ctx(tfm); - ctx->fallback_req.base.tfm = crypto_ahash_tfm(ctx->fallback); - ctx->fallback_req.base.flags = req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP; + ahash_request_set_tfm(&rctx->fallback_req, ctx->fallback_tfm); + rctx->fallback_req.base.flags = req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP; - return crypto_ahash_init(&ctx->fallback_req); + return crypto_ahash_init(&rctx->fallback_req); } static int n2_hash_async_update(struct ahash_request *req) { + struct n2_hash_req_ctx *rctx = ahash_request_ctx(req); struct crypto_ahash *tfm = crypto_ahash_reqtfm(req); struct n2_hash_ctx *ctx = crypto_ahash_ctx(tfm); - ctx->fallback_req.base.tfm = crypto_ahash_tfm(ctx->fallback); - ctx->fallback_req.base.flags = req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP; - ctx->fallback_req.nbytes = req->nbytes; - ctx->fallback_req.src = req->src; + ahash_request_set_tfm(&rctx->fallback_req, ctx->fallback_tfm); + rctx->fallback_req.base.flags = req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP; + rctx->fallback_req.nbytes = req->nbytes; + rctx->fallback_req.src = req->src; - return crypto_ahash_update(&ctx->fallback_req); + return crypto_ahash_update(&rctx->fallback_req); } static int n2_hash_async_final(struct ahash_request *req) { + struct n2_hash_req_ctx *rctx = ahash_request_ctx(req); struct crypto_ahash *tfm = crypto_ahash_reqtfm(req); struct n2_hash_ctx *ctx = crypto_ahash_ctx(tfm); - ctx->fallback_req.base.tfm = crypto_ahash_tfm(ctx->fallback); - ctx->fallback_req.base.flags = req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP; - ctx->fallback_req.result = req->result; + ahash_request_set_tfm(&rctx->fallback_req, ctx->fallback_tfm); + rctx->fallback_req.base.flags = req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP; + rctx->fallback_req.result = req->result; - return crypto_ahash_final(&ctx->fallback_req); + return crypto_ahash_final(&rctx->fallback_req); } static int n2_hash_async_finup(struct ahash_request *req) { + struct n2_hash_req_ctx *rctx = ahash_request_ctx(req); struct crypto_ahash *tfm = crypto_ahash_reqtfm(req); struct n2_hash_ctx *ctx = crypto_ahash_ctx(tfm); - ctx->fallback_req.base.tfm = crypto_ahash_tfm(ctx->fallback); - ctx->fallback_req.base.flags = req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP; - ctx->fallback_req.nbytes = req->nbytes; - ctx->fallback_req.src = req->src; - ctx->fallback_req.result = req->result; + ahash_request_set_tfm(&rctx->fallback_req, ctx->fallback_tfm); + rctx->fallback_req.base.flags = req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP; + rctx->fallback_req.nbytes = req->nbytes; + rctx->fallback_req.src = req->src; + rctx->fallback_req.result = req->result; - return crypto_ahash_finup(&ctx->fallback_req); + return crypto_ahash_finup(&rctx->fallback_req); } static int n2_hash_cra_init(struct crypto_tfm *tfm) @@ -338,7 +338,10 @@ static int n2_hash_cra_init(struct crypto_tfm *tfm) goto out; } - ctx->fallback = fallback_tfm; + crypto_ahash_set_reqsize(ahash, (sizeof(struct n2_hash_req_ctx) + + crypto_ahash_reqsize(fallback_tfm))); + + ctx->fallback_tfm = fallback_tfm; return 0; out: @@ -350,7 +353,7 @@ static void n2_hash_cra_exit(struct crypto_tfm *tfm) struct crypto_ahash *ahash = __crypto_ahash_cast(tfm); struct n2_hash_ctx *ctx = crypto_ahash_ctx(ahash); - crypto_free_ahash(ctx->fallback); + crypto_free_ahash(ctx->fallback_tfm); } static unsigned long wait_for_tail(struct spu_queue *qp) @@ -399,14 +402,16 @@ static int n2_hash_async_digest(struct ahash_request *req, * exceed 2^16. */ if (unlikely(req->nbytes > (1 << 16))) { - ctx->fallback_req.base.tfm = crypto_ahash_tfm(ctx->fallback); - ctx->fallback_req.base.flags = + struct n2_hash_req_ctx *rctx = ahash_request_ctx(req); + + ahash_request_set_tfm(&rctx->fallback_req, ctx->fallback_tfm); + rctx->fallback_req.base.flags = req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP; - ctx->fallback_req.nbytes = req->nbytes; - ctx->fallback_req.src = req->src; - ctx->fallback_req.result = req->result; + rctx->fallback_req.nbytes = req->nbytes; + rctx->fallback_req.src = req->src; + rctx->fallback_req.result = req->result; - return crypto_ahash_digest(&ctx->fallback_req); + return crypto_ahash_digest(&rctx->fallback_req); } n2_base_ctx_init(&ctx->base); @@ -472,9 +477,8 @@ out: static int n2_md5_async_digest(struct ahash_request *req) { - struct crypto_ahash *tfm = crypto_ahash_reqtfm(req); - struct n2_hash_ctx *ctx = crypto_ahash_ctx(tfm); - struct md5_state *m = &ctx->u.md5; + struct n2_hash_req_ctx *rctx = ahash_request_ctx(req); + struct md5_state *m = &rctx->u.md5; if (unlikely(req->nbytes == 0)) { static const char md5_zero[MD5_DIGEST_SIZE] = { @@ -497,9 +501,8 @@ static int n2_md5_async_digest(struct ahash_request *req) static int n2_sha1_async_digest(struct ahash_request *req) { - struct crypto_ahash *tfm = crypto_ahash_reqtfm(req); - struct n2_hash_ctx *ctx = crypto_ahash_ctx(tfm); - struct sha1_state *s = &ctx->u.sha1; + struct n2_hash_req_ctx *rctx = ahash_request_ctx(req); + struct sha1_state *s = &rctx->u.sha1; if (unlikely(req->nbytes == 0)) { static const char sha1_zero[SHA1_DIGEST_SIZE] = { @@ -524,9 +527,8 @@ static int n2_sha1_async_digest(struct ahash_request *req) static int n2_sha256_async_digest(struct ahash_request *req) { - struct crypto_ahash *tfm = crypto_ahash_reqtfm(req); - struct n2_hash_ctx *ctx = crypto_ahash_ctx(tfm); - struct sha256_state *s = &ctx->u.sha256; + struct n2_hash_req_ctx *rctx = ahash_request_ctx(req); + struct sha256_state *s = &rctx->u.sha256; if (req->nbytes == 0) { static const char sha256_zero[SHA256_DIGEST_SIZE] = { @@ -555,9 +557,8 @@ static int n2_sha256_async_digest(struct ahash_request *req) static int n2_sha224_async_digest(struct ahash_request *req) { - struct crypto_ahash *tfm = crypto_ahash_reqtfm(req); - struct n2_hash_ctx *ctx = crypto_ahash_ctx(tfm); - struct sha256_state *s = &ctx->u.sha256; + struct n2_hash_req_ctx *rctx = ahash_request_ctx(req); + struct sha256_state *s = &rctx->u.sha256; if (req->nbytes == 0) { static const char sha224_zero[SHA224_DIGEST_SIZE] = { @@ -1398,7 +1399,7 @@ static int find_devino_index(struct of_device *dev, struct spu_mdesc_info *ip, intr = ip->ino_table[i].intr; - dev_intrs = of_get_property(dev->node, "interrupts", NULL); + dev_intrs = of_get_property(dev->dev.of_node, "interrupts", NULL); if (!dev_intrs) return -ENODEV; @@ -1449,7 +1450,7 @@ static int queue_cache_init(void) { if (!queue_cache[HV_NCS_QTYPE_MAU - 1]) queue_cache[HV_NCS_QTYPE_MAU - 1] = - kmem_cache_create("cwq_queue", + kmem_cache_create("mau_queue", (MAU_NUM_ENTRIES * MAU_ENTRY_SIZE), MAU_ENTRY_SIZE, 0, NULL); @@ -1574,7 +1575,7 @@ static int spu_mdesc_walk_arcs(struct mdesc_handle *mdesc, id = mdesc_get_property(mdesc, tgt, "id", NULL); if (table[*id] != NULL) { dev_err(&dev->dev, "%s: SPU cpu slot already set.\n", - dev->node->full_name); + dev->dev.of_node->full_name); return -EINVAL; } cpu_set(*id, p->sharing); @@ -1595,7 +1596,7 @@ static int handle_exec_unit(struct spu_mdesc_info *ip, struct list_head *list, p = kzalloc(sizeof(struct spu_queue), GFP_KERNEL); if (!p) { dev_err(&dev->dev, "%s: Could not allocate SPU queue.\n", - dev->node->full_name); + dev->dev.of_node->full_name); return -ENOMEM; } @@ -1684,7 +1685,7 @@ static int __devinit grab_mdesc_irq_props(struct mdesc_handle *mdesc, const unsigned int *reg; u64 node; - reg = of_get_property(dev->node, "reg", NULL); + reg = of_get_property(dev->dev.of_node, "reg", NULL); if (!reg) return -ENODEV; @@ -1836,7 +1837,7 @@ static int __devinit n2_crypto_probe(struct of_device *dev, n2_spu_driver_version(); - full_name = dev->node->full_name; + full_name = dev->dev.of_node->full_name; pr_info("Found N2CP at %s\n", full_name); np = alloc_n2cp(); @@ -1948,7 +1949,7 @@ static int __devinit n2_mau_probe(struct of_device *dev, n2_spu_driver_version(); - full_name = dev->node->full_name; + full_name = dev->dev.of_node->full_name; pr_info("Found NCP at %s\n", full_name); mp = alloc_ncp(); @@ -2034,8 +2035,11 @@ static struct of_device_id n2_crypto_match[] = { MODULE_DEVICE_TABLE(of, n2_crypto_match); static struct of_platform_driver n2_crypto_driver = { - .name = "n2cp", - .match_table = n2_crypto_match, + .driver = { + .name = "n2cp", + .owner = THIS_MODULE, + .of_match_table = n2_crypto_match, + }, .probe = n2_crypto_probe, .remove = __devexit_p(n2_crypto_remove), }; @@ -2055,8 +2059,11 @@ static struct of_device_id n2_mau_match[] = { MODULE_DEVICE_TABLE(of, n2_mau_match); static struct of_platform_driver n2_mau_driver = { - .name = "ncp", - .match_table = n2_mau_match, + .driver = { + .name = "ncp", + .owner = THIS_MODULE, + .of_match_table = n2_mau_match, + }, .probe = n2_mau_probe, .remove = __devexit_p(n2_mau_remove), }; |