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path: root/drivers/crypto/n2_core.c
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Diffstat (limited to 'drivers/crypto/n2_core.c')
-rw-r--r--drivers/crypto/n2_core.c123
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),
};
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.