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path: root/drivers/crypto/stm32/stm32-hash.c
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Diffstat (limited to 'drivers/crypto/stm32/stm32-hash.c')
-rw-r--r--drivers/crypto/stm32/stm32-hash.c978
1 files changed, 721 insertions, 257 deletions
diff --git a/drivers/crypto/stm32/stm32-hash.c b/drivers/crypto/stm32/stm32-hash.c
index f0df32382719..2b2382d4332c 100644
--- a/drivers/crypto/stm32/stm32-hash.c
+++ b/drivers/crypto/stm32/stm32-hash.c
@@ -6,27 +6,26 @@
* Author(s): Lionel DEBIEVE <lionel.debieve@st.com> for STMicroelectronics.
*/
+#include <crypto/engine.h>
+#include <crypto/internal/hash.h>
+#include <crypto/md5.h>
+#include <crypto/scatterwalk.h>
+#include <crypto/sha1.h>
+#include <crypto/sha2.h>
+#include <crypto/sha3.h>
#include <linux/clk.h>
#include <linux/delay.h>
#include <linux/dma-mapping.h>
#include <linux/dmaengine.h>
#include <linux/interrupt.h>
-#include <linux/io.h>
#include <linux/iopoll.h>
#include <linux/kernel.h>
#include <linux/module.h>
-#include <linux/of_device.h>
+#include <linux/of.h>
#include <linux/platform_device.h>
#include <linux/pm_runtime.h>
#include <linux/reset.h>
-
-#include <crypto/engine.h>
-#include <crypto/hash.h>
-#include <crypto/md5.h>
-#include <crypto/scatterwalk.h>
-#include <crypto/sha1.h>
-#include <crypto/sha2.h>
-#include <crypto/internal/hash.h>
+#include <linux/string.h>
#define HASH_CR 0x00
#define HASH_DIN 0x04
@@ -45,19 +44,11 @@
#define HASH_CR_DMAE BIT(3)
#define HASH_CR_DATATYPE_POS 4
#define HASH_CR_MODE BIT(6)
+#define HASH_CR_ALGO_POS 7
#define HASH_CR_MDMAT BIT(13)
#define HASH_CR_DMAA BIT(14)
#define HASH_CR_LKEY BIT(16)
-#define HASH_CR_ALGO_SHA1 0x0
-#define HASH_CR_ALGO_MD5 0x80
-#define HASH_CR_ALGO_SHA224 0x40000
-#define HASH_CR_ALGO_SHA256 0x40080
-
-#define HASH_CR_UX500_EMPTYMSG BIT(20)
-#define HASH_CR_UX500_ALGO_SHA1 BIT(7)
-#define HASH_CR_UX500_ALGO_SHA256 0x0
-
/* Interrupt */
#define HASH_DINIE BIT(0)
#define HASH_DCIE BIT(1)
@@ -66,9 +57,6 @@
#define HASH_MASK_CALC_COMPLETION BIT(0)
#define HASH_MASK_DATA_INPUT BIT(1)
-/* Context swap register */
-#define HASH_CSR_REGISTER_NUMBER 54
-
/* Status Flags */
#define HASH_SR_DATA_INPUT_READY BIT(0)
#define HASH_SR_OUTPUT_READY BIT(1)
@@ -79,28 +67,39 @@
#define HASH_STR_NBLW_MASK GENMASK(4, 0)
#define HASH_STR_DCAL BIT(8)
+/* HWCFGR Register */
+#define HASH_HWCFG_DMA_MASK GENMASK(3, 0)
+
+/* Context swap register */
+#define HASH_CSR_NB_SHA256_HMAC 54
+#define HASH_CSR_NB_SHA256 38
+#define HASH_CSR_NB_SHA512_HMAC 103
+#define HASH_CSR_NB_SHA512 91
+#define HASH_CSR_NB_SHA3_HMAC 88
+#define HASH_CSR_NB_SHA3 72
+#define HASH_CSR_NB_MAX HASH_CSR_NB_SHA512_HMAC
+
#define HASH_FLAGS_INIT BIT(0)
#define HASH_FLAGS_OUTPUT_READY BIT(1)
#define HASH_FLAGS_CPU BIT(2)
-#define HASH_FLAGS_DMA_READY BIT(3)
-#define HASH_FLAGS_DMA_ACTIVE BIT(4)
-#define HASH_FLAGS_HMAC_INIT BIT(5)
-#define HASH_FLAGS_HMAC_FINAL BIT(6)
-#define HASH_FLAGS_HMAC_KEY BIT(7)
-
+#define HASH_FLAGS_DMA_ACTIVE BIT(3)
+#define HASH_FLAGS_HMAC_INIT BIT(4)
+#define HASH_FLAGS_HMAC_FINAL BIT(5)
+#define HASH_FLAGS_HMAC_KEY BIT(6)
+#define HASH_FLAGS_SHA3_MODE BIT(7)
#define HASH_FLAGS_FINAL BIT(15)
#define HASH_FLAGS_FINUP BIT(16)
-#define HASH_FLAGS_ALGO_MASK GENMASK(21, 18)
-#define HASH_FLAGS_MD5 BIT(18)
-#define HASH_FLAGS_SHA1 BIT(19)
-#define HASH_FLAGS_SHA224 BIT(20)
-#define HASH_FLAGS_SHA256 BIT(21)
+#define HASH_FLAGS_ALGO_MASK GENMASK(20, 17)
+#define HASH_FLAGS_ALGO_SHIFT 17
+#define HASH_FLAGS_ERRORS BIT(21)
#define HASH_FLAGS_EMPTY BIT(22)
#define HASH_FLAGS_HMAC BIT(23)
#define HASH_OP_UPDATE 1
#define HASH_OP_FINAL 2
+#define HASH_BURST_LEVEL 4
+
enum stm32_hash_data_format {
HASH_DATA_32_BITS = 0x0,
HASH_DATA_16_BITS = 0x1,
@@ -108,16 +107,30 @@ enum stm32_hash_data_format {
HASH_DATA_1_BIT = 0x3
};
-#define HASH_BUFLEN 256
-#define HASH_LONG_KEY 64
-#define HASH_MAX_KEY_SIZE (SHA256_BLOCK_SIZE * 8)
-#define HASH_QUEUE_LENGTH 16
-#define HASH_DMA_THRESHOLD 50
+#define HASH_BUFLEN (SHA3_224_BLOCK_SIZE + 4)
+#define HASH_MAX_KEY_SIZE (SHA512_BLOCK_SIZE * 8)
+
+enum stm32_hash_algo {
+ HASH_SHA1 = 0,
+ HASH_MD5 = 1,
+ HASH_SHA224 = 2,
+ HASH_SHA256 = 3,
+ HASH_SHA3_224 = 4,
+ HASH_SHA3_256 = 5,
+ HASH_SHA3_384 = 6,
+ HASH_SHA3_512 = 7,
+ HASH_SHA384 = 12,
+ HASH_SHA512 = 15,
+};
+
+enum ux500_hash_algo {
+ HASH_SHA256_UX500 = 0,
+ HASH_SHA1_UX500 = 1,
+};
#define HASH_AUTOSUSPEND_DELAY 50
struct stm32_hash_ctx {
- struct crypto_engine_ctx enginectx;
struct stm32_hash_dev *hdev;
struct crypto_shash *xtfm;
unsigned long flags;
@@ -130,19 +143,19 @@ struct stm32_hash_state {
u32 flags;
u16 bufcnt;
- u16 buflen;
+ u16 blocklen;
u8 buffer[HASH_BUFLEN] __aligned(4);
/* hash state */
- u32 hw_context[3 + HASH_CSR_REGISTER_NUMBER];
+ u32 hw_context[3 + HASH_CSR_NB_MAX];
};
struct stm32_hash_request_ctx {
struct stm32_hash_dev *hdev;
unsigned long op;
- u8 digest[SHA256_DIGEST_SIZE] __aligned(sizeof(u32));
+ u8 digest[SHA512_DIGEST_SIZE] __aligned(sizeof(u32));
size_t digcnt;
/* DMA */
@@ -161,17 +174,18 @@ struct stm32_hash_request_ctx {
};
struct stm32_hash_algs_info {
- struct ahash_alg *algs_list;
+ struct ahash_engine_alg *algs_list;
size_t size;
};
struct stm32_hash_pdata {
- struct stm32_hash_algs_info *algs_info;
- size_t algs_info_size;
- bool has_sr;
- bool has_mdmat;
- bool broken_emptymsg;
- bool ux500;
+ const int alg_shift;
+ const struct stm32_hash_algs_info *algs_info;
+ size_t algs_info_size;
+ bool has_sr;
+ bool has_mdmat;
+ bool broken_emptymsg;
+ bool ux500;
};
struct stm32_hash_dev {
@@ -182,7 +196,6 @@ struct stm32_hash_dev {
void __iomem *io_base;
phys_addr_t phys_base;
u32 dma_mode;
- u32 dma_maxburst;
bool polled;
struct ahash_request *req;
@@ -269,37 +282,25 @@ static int stm32_hash_write_key(struct stm32_hash_dev *hdev)
return 0;
}
-static void stm32_hash_write_ctrl(struct stm32_hash_dev *hdev, int bufcnt)
+static void stm32_hash_write_ctrl(struct stm32_hash_dev *hdev)
{
struct stm32_hash_request_ctx *rctx = ahash_request_ctx(hdev->req);
struct crypto_ahash *tfm = crypto_ahash_reqtfm(hdev->req);
struct stm32_hash_ctx *ctx = crypto_ahash_ctx(tfm);
struct stm32_hash_state *state = &rctx->state;
+ u32 alg = (state->flags & HASH_FLAGS_ALGO_MASK) >> HASH_FLAGS_ALGO_SHIFT;
u32 reg = HASH_CR_INIT;
if (!(hdev->flags & HASH_FLAGS_INIT)) {
- switch (state->flags & HASH_FLAGS_ALGO_MASK) {
- case HASH_FLAGS_MD5:
- reg |= HASH_CR_ALGO_MD5;
- break;
- case HASH_FLAGS_SHA1:
- if (hdev->pdata->ux500)
- reg |= HASH_CR_UX500_ALGO_SHA1;
+ if (hdev->pdata->ux500) {
+ reg |= ((alg & BIT(0)) << HASH_CR_ALGO_POS);
+ } else {
+ if (hdev->pdata->alg_shift == HASH_CR_ALGO_POS)
+ reg |= ((alg & BIT(1)) << 17) |
+ ((alg & BIT(0)) << HASH_CR_ALGO_POS);
else
- reg |= HASH_CR_ALGO_SHA1;
- break;
- case HASH_FLAGS_SHA224:
- reg |= HASH_CR_ALGO_SHA224;
- break;
- case HASH_FLAGS_SHA256:
- if (hdev->pdata->ux500)
- reg |= HASH_CR_UX500_ALGO_SHA256;
- else
- reg |= HASH_CR_ALGO_SHA256;
- break;
- default:
- reg |= HASH_CR_ALGO_MD5;
+ reg |= alg << hdev->pdata->alg_shift;
}
reg |= (rctx->data_type << HASH_CR_DATATYPE_POS);
@@ -307,7 +308,7 @@ static void stm32_hash_write_ctrl(struct stm32_hash_dev *hdev, int bufcnt)
if (state->flags & HASH_FLAGS_HMAC) {
hdev->flags |= HASH_FLAGS_HMAC;
reg |= HASH_CR_MODE;
- if (ctx->keylen > HASH_LONG_KEY)
+ if (ctx->keylen > crypto_ahash_blocksize(tfm))
reg |= HASH_CR_LKEY;
}
@@ -318,6 +319,12 @@ static void stm32_hash_write_ctrl(struct stm32_hash_dev *hdev, int bufcnt)
hdev->flags |= HASH_FLAGS_INIT;
+ /*
+ * After first block + 1 words are fill up,
+ * we only need to fill 1 block to start partial computation
+ */
+ rctx->state.blocklen -= sizeof(u32);
+
dev_dbg(hdev->dev, "Write Control %x\n", reg);
}
}
@@ -327,9 +334,9 @@ static void stm32_hash_append_sg(struct stm32_hash_request_ctx *rctx)
struct stm32_hash_state *state = &rctx->state;
size_t count;
- while ((state->bufcnt < state->buflen) && rctx->total) {
+ while ((state->bufcnt < state->blocklen) && rctx->total) {
count = min(rctx->sg->length - rctx->offset, rctx->total);
- count = min_t(size_t, count, state->buflen - state->bufcnt);
+ count = min_t(size_t, count, state->blocklen - state->bufcnt);
if (count <= 0) {
if ((rctx->sg->length == 0) && !sg_is_last(rctx->sg)) {
@@ -384,7 +391,7 @@ static int stm32_hash_xmit_cpu(struct stm32_hash_dev *hdev,
hdev->flags |= HASH_FLAGS_CPU;
- stm32_hash_write_ctrl(hdev, length);
+ stm32_hash_write_ctrl(hdev);
if (stm32_hash_wait_busy(hdev))
return -ETIMEDOUT;
@@ -419,20 +426,59 @@ static int stm32_hash_xmit_cpu(struct stm32_hash_dev *hdev,
return 0;
}
+static int hash_swap_reg(struct stm32_hash_request_ctx *rctx)
+{
+ struct stm32_hash_state *state = &rctx->state;
+
+ switch ((state->flags & HASH_FLAGS_ALGO_MASK) >>
+ HASH_FLAGS_ALGO_SHIFT) {
+ case HASH_MD5:
+ case HASH_SHA1:
+ case HASH_SHA224:
+ case HASH_SHA256:
+ if (state->flags & HASH_FLAGS_HMAC)
+ return HASH_CSR_NB_SHA256_HMAC;
+ else
+ return HASH_CSR_NB_SHA256;
+ break;
+
+ case HASH_SHA384:
+ case HASH_SHA512:
+ if (state->flags & HASH_FLAGS_HMAC)
+ return HASH_CSR_NB_SHA512_HMAC;
+ else
+ return HASH_CSR_NB_SHA512;
+ break;
+
+ case HASH_SHA3_224:
+ case HASH_SHA3_256:
+ case HASH_SHA3_384:
+ case HASH_SHA3_512:
+ if (state->flags & HASH_FLAGS_HMAC)
+ return HASH_CSR_NB_SHA3_HMAC;
+ else
+ return HASH_CSR_NB_SHA3;
+ break;
+
+ default:
+ return -EINVAL;
+ }
+}
+
static int stm32_hash_update_cpu(struct stm32_hash_dev *hdev)
{
struct stm32_hash_request_ctx *rctx = ahash_request_ctx(hdev->req);
struct stm32_hash_state *state = &rctx->state;
u32 *preg = state->hw_context;
int bufcnt, err = 0, final;
- int i;
+ int i, swap_reg;
dev_dbg(hdev->dev, "%s flags %x\n", __func__, state->flags);
final = state->flags & HASH_FLAGS_FINAL;
- while ((rctx->total >= state->buflen) ||
- (state->bufcnt + rctx->total >= state->buflen)) {
+ while ((rctx->total >= state->blocklen) ||
+ (state->bufcnt + rctx->total >= state->blocklen)) {
stm32_hash_append_sg(rctx);
bufcnt = state->bufcnt;
state->bufcnt = 0;
@@ -455,11 +501,13 @@ static int stm32_hash_update_cpu(struct stm32_hash_dev *hdev)
if (stm32_hash_wait_busy(hdev))
return -ETIMEDOUT;
+ swap_reg = hash_swap_reg(rctx);
+
if (!hdev->pdata->ux500)
*preg++ = stm32_hash_read(hdev, HASH_IMR);
*preg++ = stm32_hash_read(hdev, HASH_STR);
*preg++ = stm32_hash_read(hdev, HASH_CR);
- for (i = 0; i < HASH_CSR_REGISTER_NUMBER; i++)
+ for (i = 0; i < swap_reg; i++)
*preg++ = stm32_hash_read(hdev, HASH_CSR(i));
state->flags |= HASH_FLAGS_INIT;
@@ -492,7 +540,7 @@ static int stm32_hash_xmit_dma(struct stm32_hash_dev *hdev,
reg = stm32_hash_read(hdev, HASH_CR);
- if (!hdev->pdata->has_mdmat) {
+ if (hdev->pdata->has_mdmat) {
if (mdma)
reg |= HASH_CR_MDMAT;
else
@@ -533,8 +581,6 @@ static void stm32_hash_dma_callback(void *param)
struct stm32_hash_dev *hdev = param;
complete(&hdev->dma_completion);
-
- hdev->flags |= HASH_FLAGS_DMA_READY;
}
static int stm32_hash_hmac_dma_send(struct stm32_hash_dev *hdev)
@@ -544,7 +590,7 @@ static int stm32_hash_hmac_dma_send(struct stm32_hash_dev *hdev)
struct stm32_hash_ctx *ctx = crypto_ahash_ctx(tfm);
int err;
- if (ctx->keylen < HASH_DMA_THRESHOLD || (hdev->dma_mode == 1)) {
+ if (ctx->keylen < rctx->state.blocklen || hdev->dma_mode == 1) {
err = stm32_hash_write_key(hdev);
if (stm32_hash_wait_busy(hdev))
return -ETIMEDOUT;
@@ -579,8 +625,8 @@ static int stm32_hash_dma_init(struct stm32_hash_dev *hdev)
dma_conf.direction = DMA_MEM_TO_DEV;
dma_conf.dst_addr = hdev->phys_base + HASH_DIN;
dma_conf.dst_addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES;
- dma_conf.src_maxburst = hdev->dma_maxburst;
- dma_conf.dst_maxburst = hdev->dma_maxburst;
+ dma_conf.src_maxburst = HASH_BURST_LEVEL;
+ dma_conf.dst_maxburst = HASH_BURST_LEVEL;
dma_conf.device_fc = false;
chan = dma_request_chan(hdev->dev, "in");
@@ -607,18 +653,18 @@ static int stm32_hash_dma_send(struct stm32_hash_dev *hdev)
struct stm32_hash_request_ctx *rctx = ahash_request_ctx(hdev->req);
u32 *buffer = (void *)rctx->state.buffer;
struct scatterlist sg[1], *tsg;
- int err = 0, len = 0, reg, ncp = 0;
- unsigned int i;
+ int err = 0, reg, ncp = 0;
+ unsigned int i, len = 0, bufcnt = 0;
+ bool is_last = false;
rctx->sg = hdev->req->src;
rctx->total = hdev->req->nbytes;
rctx->nents = sg_nents(rctx->sg);
-
if (rctx->nents < 0)
return -EINVAL;
- stm32_hash_write_ctrl(hdev, rctx->total);
+ stm32_hash_write_ctrl(hdev);
if (hdev->flags & HASH_FLAGS_HMAC) {
err = stm32_hash_hmac_dma_send(hdev);
@@ -627,10 +673,12 @@ static int stm32_hash_dma_send(struct stm32_hash_dev *hdev)
}
for_each_sg(rctx->sg, tsg, rctx->nents, i) {
+ sg[0] = *tsg;
len = sg->length;
- sg[0] = *tsg;
- if (sg_is_last(sg)) {
+ if (sg_is_last(sg) || (bufcnt + sg[0].length) >= rctx->total) {
+ sg->length = rctx->total - bufcnt;
+ is_last = true;
if (hdev->dma_mode == 1) {
len = (ALIGN(sg->length, 16) - 16);
@@ -656,13 +704,15 @@ static int stm32_hash_dma_send(struct stm32_hash_dev *hdev)
return -ENOMEM;
}
- err = stm32_hash_xmit_dma(hdev, sg, len,
- !sg_is_last(sg));
+ err = stm32_hash_xmit_dma(hdev, sg, len, !is_last);
+ bufcnt += sg[0].length;
dma_unmap_sg(hdev->dev, sg, 1, DMA_TO_DEVICE);
if (err == -ENOMEM)
return err;
+ if (is_last)
+ break;
}
if (hdev->dma_mode == 1) {
@@ -718,11 +768,12 @@ static struct stm32_hash_dev *stm32_hash_find_dev(struct stm32_hash_ctx *ctx)
static bool stm32_hash_dma_aligned_data(struct ahash_request *req)
{
struct scatterlist *sg;
+ struct stm32_hash_request_ctx *rctx = ahash_request_ctx(req);
struct stm32_hash_ctx *ctx = crypto_ahash_ctx(crypto_ahash_reqtfm(req));
struct stm32_hash_dev *hdev = stm32_hash_find_dev(ctx);
int i;
- if (req->nbytes <= HASH_DMA_THRESHOLD)
+ if (!hdev->dma_lch || req->nbytes <= rctx->state.blocklen)
return false;
if (sg_nents(req->src) > 1) {
@@ -748,31 +799,64 @@ static int stm32_hash_init(struct ahash_request *req)
struct stm32_hash_request_ctx *rctx = ahash_request_ctx(req);
struct stm32_hash_dev *hdev = stm32_hash_find_dev(ctx);
struct stm32_hash_state *state = &rctx->state;
+ bool sha3_mode = ctx->flags & HASH_FLAGS_SHA3_MODE;
rctx->hdev = hdev;
state->flags = HASH_FLAGS_CPU;
+ if (sha3_mode)
+ state->flags |= HASH_FLAGS_SHA3_MODE;
+
rctx->digcnt = crypto_ahash_digestsize(tfm);
switch (rctx->digcnt) {
case MD5_DIGEST_SIZE:
- state->flags |= HASH_FLAGS_MD5;
+ state->flags |= HASH_MD5 << HASH_FLAGS_ALGO_SHIFT;
break;
case SHA1_DIGEST_SIZE:
- state->flags |= HASH_FLAGS_SHA1;
+ if (hdev->pdata->ux500)
+ state->flags |= HASH_SHA1_UX500 << HASH_FLAGS_ALGO_SHIFT;
+ else
+ state->flags |= HASH_SHA1 << HASH_FLAGS_ALGO_SHIFT;
break;
case SHA224_DIGEST_SIZE:
- state->flags |= HASH_FLAGS_SHA224;
+ if (sha3_mode)
+ state->flags |= HASH_SHA3_224 << HASH_FLAGS_ALGO_SHIFT;
+ else
+ state->flags |= HASH_SHA224 << HASH_FLAGS_ALGO_SHIFT;
break;
case SHA256_DIGEST_SIZE:
- state->flags |= HASH_FLAGS_SHA256;
+ if (sha3_mode) {
+ state->flags |= HASH_SHA3_256 << HASH_FLAGS_ALGO_SHIFT;
+ } else {
+ if (hdev->pdata->ux500)
+ state->flags |= HASH_SHA256_UX500 << HASH_FLAGS_ALGO_SHIFT;
+ else
+ state->flags |= HASH_SHA256 << HASH_FLAGS_ALGO_SHIFT;
+ }
+ break;
+ case SHA384_DIGEST_SIZE:
+ if (sha3_mode)
+ state->flags |= HASH_SHA3_384 << HASH_FLAGS_ALGO_SHIFT;
+ else
+ state->flags |= HASH_SHA384 << HASH_FLAGS_ALGO_SHIFT;
+ break;
+ case SHA512_DIGEST_SIZE:
+ if (sha3_mode)
+ state->flags |= HASH_SHA3_512 << HASH_FLAGS_ALGO_SHIFT;
+ else
+ state->flags |= HASH_SHA512 << HASH_FLAGS_ALGO_SHIFT;
break;
default:
return -EINVAL;
}
rctx->state.bufcnt = 0;
- rctx->state.buflen = HASH_BUFLEN;
+ rctx->state.blocklen = crypto_ahash_blocksize(tfm) + sizeof(u32);
+ if (rctx->state.blocklen > HASH_BUFLEN) {
+ dev_err(hdev->dev, "Error, block too large");
+ return -EINVAL;
+ }
rctx->total = 0;
rctx->offset = 0;
rctx->data_type = HASH_DATA_8_BITS;
@@ -842,6 +926,7 @@ static void stm32_hash_emptymsg_fallback(struct ahash_request *req)
static void stm32_hash_copy_hash(struct ahash_request *req)
{
+ struct crypto_ahash *tfm = crypto_ahash_reqtfm(req);
struct stm32_hash_request_ctx *rctx = ahash_request_ctx(req);
struct stm32_hash_state *state = &rctx->state;
struct stm32_hash_dev *hdev = rctx->hdev;
@@ -851,22 +936,7 @@ static void stm32_hash_copy_hash(struct ahash_request *req)
if (hdev->pdata->broken_emptymsg && (state->flags & HASH_FLAGS_EMPTY))
return stm32_hash_emptymsg_fallback(req);
- switch (state->flags & HASH_FLAGS_ALGO_MASK) {
- case HASH_FLAGS_MD5:
- hashsize = MD5_DIGEST_SIZE;
- break;
- case HASH_FLAGS_SHA1:
- hashsize = SHA1_DIGEST_SIZE;
- break;
- case HASH_FLAGS_SHA224:
- hashsize = SHA224_DIGEST_SIZE;
- break;
- case HASH_FLAGS_SHA256:
- hashsize = SHA256_DIGEST_SIZE;
- break;
- default:
- return;
- }
+ hashsize = crypto_ahash_digestsize(tfm);
for (i = 0; i < hashsize / sizeof(u32); i++) {
if (hdev->pdata->ux500)
@@ -881,6 +951,11 @@ static void stm32_hash_copy_hash(struct ahash_request *req)
static int stm32_hash_finish(struct ahash_request *req)
{
struct stm32_hash_request_ctx *rctx = ahash_request_ctx(req);
+ u32 reg;
+
+ reg = stm32_hash_read(rctx->hdev, HASH_SR);
+ reg &= ~HASH_SR_OUTPUT_READY;
+ stm32_hash_write(rctx->hdev, HASH_SR, reg);
if (!req->result)
return -EINVAL;
@@ -920,6 +995,7 @@ static int stm32_hash_one_request(struct crypto_engine *engine, void *areq)
struct stm32_hash_request_ctx *rctx = ahash_request_ctx(req);
struct stm32_hash_dev *hdev = stm32_hash_find_dev(ctx);
struct stm32_hash_state *state = &rctx->state;
+ int swap_reg;
int err = 0;
if (!hdev)
@@ -932,6 +1008,7 @@ static int stm32_hash_one_request(struct crypto_engine *engine, void *areq)
hdev->req = req;
hdev->flags = 0;
+ swap_reg = hash_swap_reg(rctx);
if (state->flags & HASH_FLAGS_INIT) {
u32 *preg = rctx->state.hw_context;
@@ -945,7 +1022,7 @@ static int stm32_hash_one_request(struct crypto_engine *engine, void *areq)
reg = *preg++ | HASH_CR_INIT;
stm32_hash_write(hdev, HASH_CR, reg);
- for (i = 0; i < HASH_CSR_REGISTER_NUMBER; i++)
+ for (i = 0; i < swap_reg; i++)
stm32_hash_write(hdev, HASH_CSR(i), *preg++);
hdev->flags |= HASH_FLAGS_INIT;
@@ -1000,7 +1077,7 @@ static int stm32_hash_update(struct ahash_request *req)
rctx->sg = req->src;
rctx->offset = 0;
- if ((state->bufcnt + rctx->total < state->buflen)) {
+ if ((state->bufcnt + rctx->total < state->blocklen)) {
stm32_hash_append_sg(rctx);
return 0;
}
@@ -1102,8 +1179,7 @@ static int stm32_hash_init_fallback(struct crypto_tfm *tfm)
return 0;
}
-static int stm32_hash_cra_init_algs(struct crypto_tfm *tfm,
- const char *algs_hmac_name)
+static int stm32_hash_cra_init_algs(struct crypto_tfm *tfm, u32 algs_flags)
{
struct stm32_hash_ctx *ctx = crypto_tfm_ctx(tfm);
@@ -1112,38 +1188,33 @@ static int stm32_hash_cra_init_algs(struct crypto_tfm *tfm,
ctx->keylen = 0;
- if (algs_hmac_name)
- ctx->flags |= HASH_FLAGS_HMAC;
-
- ctx->enginectx.op.do_one_request = stm32_hash_one_request;
+ if (algs_flags)
+ ctx->flags |= algs_flags;
return stm32_hash_init_fallback(tfm);
}
static int stm32_hash_cra_init(struct crypto_tfm *tfm)
{
- return stm32_hash_cra_init_algs(tfm, NULL);
+ return stm32_hash_cra_init_algs(tfm, 0);
}
-static int stm32_hash_cra_md5_init(struct crypto_tfm *tfm)
+static int stm32_hash_cra_hmac_init(struct crypto_tfm *tfm)
{
- return stm32_hash_cra_init_algs(tfm, "md5");
+ return stm32_hash_cra_init_algs(tfm, HASH_FLAGS_HMAC);
}
-static int stm32_hash_cra_sha1_init(struct crypto_tfm *tfm)
+static int stm32_hash_cra_sha3_init(struct crypto_tfm *tfm)
{
- return stm32_hash_cra_init_algs(tfm, "sha1");
+ return stm32_hash_cra_init_algs(tfm, HASH_FLAGS_SHA3_MODE);
}
-static int stm32_hash_cra_sha224_init(struct crypto_tfm *tfm)
+static int stm32_hash_cra_sha3_hmac_init(struct crypto_tfm *tfm)
{
- return stm32_hash_cra_init_algs(tfm, "sha224");
+ return stm32_hash_cra_init_algs(tfm, HASH_FLAGS_SHA3_MODE |
+ HASH_FLAGS_HMAC);
}
-static int stm32_hash_cra_sha256_init(struct crypto_tfm *tfm)
-{
- return stm32_hash_cra_init_algs(tfm, "sha256");
-}
static void stm32_hash_cra_exit(struct crypto_tfm *tfm)
{
@@ -1162,11 +1233,9 @@ static irqreturn_t stm32_hash_irq_thread(int irq, void *dev_id)
hdev->flags &= ~HASH_FLAGS_OUTPUT_READY;
goto finish;
}
- } else if (HASH_FLAGS_DMA_READY & hdev->flags) {
- if (HASH_FLAGS_DMA_ACTIVE & hdev->flags) {
- hdev->flags &= ~HASH_FLAGS_DMA_ACTIVE;
- goto finish;
- }
+ } else if (HASH_FLAGS_DMA_ACTIVE & hdev->flags) {
+ hdev->flags &= ~HASH_FLAGS_DMA_ACTIVE;
+ goto finish;
}
return IRQ_HANDLED;
@@ -1185,8 +1254,6 @@ static irqreturn_t stm32_hash_irq_handler(int irq, void *dev_id)
reg = stm32_hash_read(hdev, HASH_SR);
if (reg & HASH_SR_OUTPUT_READY) {
- reg &= ~HASH_SR_OUTPUT_READY;
- stm32_hash_write(hdev, HASH_SR, reg);
hdev->flags |= HASH_FLAGS_OUTPUT_READY;
/* Disable IT*/
stm32_hash_write(hdev, HASH_IMR, 0);
@@ -1196,16 +1263,16 @@ static irqreturn_t stm32_hash_irq_handler(int irq, void *dev_id)
return IRQ_NONE;
}
-static struct ahash_alg algs_md5[] = {
+static struct ahash_engine_alg algs_md5[] = {
{
- .init = stm32_hash_init,
- .update = stm32_hash_update,
- .final = stm32_hash_final,
- .finup = stm32_hash_finup,
- .digest = stm32_hash_digest,
- .export = stm32_hash_export,
- .import = stm32_hash_import,
- .halg = {
+ .base.init = stm32_hash_init,
+ .base.update = stm32_hash_update,
+ .base.final = stm32_hash_final,
+ .base.finup = stm32_hash_finup,
+ .base.digest = stm32_hash_digest,
+ .base.export = stm32_hash_export,
+ .base.import = stm32_hash_import,
+ .base.halg = {
.digestsize = MD5_DIGEST_SIZE,
.statesize = sizeof(struct stm32_hash_state),
.base = {
@@ -1221,18 +1288,21 @@ static struct ahash_alg algs_md5[] = {
.cra_exit = stm32_hash_cra_exit,
.cra_module = THIS_MODULE,
}
- }
+ },
+ .op = {
+ .do_one_request = stm32_hash_one_request,
+ },
},
{
- .init = stm32_hash_init,
- .update = stm32_hash_update,
- .final = stm32_hash_final,
- .finup = stm32_hash_finup,
- .digest = stm32_hash_digest,
- .export = stm32_hash_export,
- .import = stm32_hash_import,
- .setkey = stm32_hash_setkey,
- .halg = {
+ .base.init = stm32_hash_init,
+ .base.update = stm32_hash_update,
+ .base.final = stm32_hash_final,
+ .base.finup = stm32_hash_finup,
+ .base.digest = stm32_hash_digest,
+ .base.export = stm32_hash_export,
+ .base.import = stm32_hash_import,
+ .base.setkey = stm32_hash_setkey,
+ .base.halg = {
.digestsize = MD5_DIGEST_SIZE,
.statesize = sizeof(struct stm32_hash_state),
.base = {
@@ -1244,24 +1314,27 @@ static struct ahash_alg algs_md5[] = {
.cra_blocksize = MD5_HMAC_BLOCK_SIZE,
.cra_ctxsize = sizeof(struct stm32_hash_ctx),
.cra_alignmask = 3,
- .cra_init = stm32_hash_cra_md5_init,
+ .cra_init = stm32_hash_cra_hmac_init,
.cra_exit = stm32_hash_cra_exit,
.cra_module = THIS_MODULE,
}
- }
- },
+ },
+ .op = {
+ .do_one_request = stm32_hash_one_request,
+ },
+ }
};
-static struct ahash_alg algs_sha1[] = {
+static struct ahash_engine_alg algs_sha1[] = {
{
- .init = stm32_hash_init,
- .update = stm32_hash_update,
- .final = stm32_hash_final,
- .finup = stm32_hash_finup,
- .digest = stm32_hash_digest,
- .export = stm32_hash_export,
- .import = stm32_hash_import,
- .halg = {
+ .base.init = stm32_hash_init,
+ .base.update = stm32_hash_update,
+ .base.final = stm32_hash_final,
+ .base.finup = stm32_hash_finup,
+ .base.digest = stm32_hash_digest,
+ .base.export = stm32_hash_export,
+ .base.import = stm32_hash_import,
+ .base.halg = {
.digestsize = SHA1_DIGEST_SIZE,
.statesize = sizeof(struct stm32_hash_state),
.base = {
@@ -1277,18 +1350,21 @@ static struct ahash_alg algs_sha1[] = {
.cra_exit = stm32_hash_cra_exit,
.cra_module = THIS_MODULE,
}
- }
+ },
+ .op = {
+ .do_one_request = stm32_hash_one_request,
+ },
},
{
- .init = stm32_hash_init,
- .update = stm32_hash_update,
- .final = stm32_hash_final,
- .finup = stm32_hash_finup,
- .digest = stm32_hash_digest,
- .export = stm32_hash_export,
- .import = stm32_hash_import,
- .setkey = stm32_hash_setkey,
- .halg = {
+ .base.init = stm32_hash_init,
+ .base.update = stm32_hash_update,
+ .base.final = stm32_hash_final,
+ .base.finup = stm32_hash_finup,
+ .base.digest = stm32_hash_digest,
+ .base.export = stm32_hash_export,
+ .base.import = stm32_hash_import,
+ .base.setkey = stm32_hash_setkey,
+ .base.halg = {
.digestsize = SHA1_DIGEST_SIZE,
.statesize = sizeof(struct stm32_hash_state),
.base = {
@@ -1300,24 +1376,27 @@ static struct ahash_alg algs_sha1[] = {
.cra_blocksize = SHA1_BLOCK_SIZE,
.cra_ctxsize = sizeof(struct stm32_hash_ctx),
.cra_alignmask = 3,
- .cra_init = stm32_hash_cra_sha1_init,
+ .cra_init = stm32_hash_cra_hmac_init,
.cra_exit = stm32_hash_cra_exit,
.cra_module = THIS_MODULE,
}
- }
+ },
+ .op = {
+ .do_one_request = stm32_hash_one_request,
+ },
},
};
-static struct ahash_alg algs_sha224[] = {
+static struct ahash_engine_alg algs_sha224[] = {
{
- .init = stm32_hash_init,
- .update = stm32_hash_update,
- .final = stm32_hash_final,
- .finup = stm32_hash_finup,
- .digest = stm32_hash_digest,
- .export = stm32_hash_export,
- .import = stm32_hash_import,
- .halg = {
+ .base.init = stm32_hash_init,
+ .base.update = stm32_hash_update,
+ .base.final = stm32_hash_final,
+ .base.finup = stm32_hash_finup,
+ .base.digest = stm32_hash_digest,
+ .base.export = stm32_hash_export,
+ .base.import = stm32_hash_import,
+ .base.halg = {
.digestsize = SHA224_DIGEST_SIZE,
.statesize = sizeof(struct stm32_hash_state),
.base = {
@@ -1333,18 +1412,21 @@ static struct ahash_alg algs_sha224[] = {
.cra_exit = stm32_hash_cra_exit,
.cra_module = THIS_MODULE,
}
- }
+ },
+ .op = {
+ .do_one_request = stm32_hash_one_request,
+ },
},
{
- .init = stm32_hash_init,
- .update = stm32_hash_update,
- .final = stm32_hash_final,
- .finup = stm32_hash_finup,
- .digest = stm32_hash_digest,
- .setkey = stm32_hash_setkey,
- .export = stm32_hash_export,
- .import = stm32_hash_import,
- .halg = {
+ .base.init = stm32_hash_init,
+ .base.update = stm32_hash_update,
+ .base.final = stm32_hash_final,
+ .base.finup = stm32_hash_finup,
+ .base.digest = stm32_hash_digest,
+ .base.setkey = stm32_hash_setkey,
+ .base.export = stm32_hash_export,
+ .base.import = stm32_hash_import,
+ .base.halg = {
.digestsize = SHA224_DIGEST_SIZE,
.statesize = sizeof(struct stm32_hash_state),
.base = {
@@ -1356,24 +1438,27 @@ static struct ahash_alg algs_sha224[] = {
.cra_blocksize = SHA224_BLOCK_SIZE,
.cra_ctxsize = sizeof(struct stm32_hash_ctx),
.cra_alignmask = 3,
- .cra_init = stm32_hash_cra_sha224_init,
+ .cra_init = stm32_hash_cra_hmac_init,
.cra_exit = stm32_hash_cra_exit,
.cra_module = THIS_MODULE,
}
- }
+ },
+ .op = {
+ .do_one_request = stm32_hash_one_request,
+ },
},
};
-static struct ahash_alg algs_sha256[] = {
+static struct ahash_engine_alg algs_sha256[] = {
{
- .init = stm32_hash_init,
- .update = stm32_hash_update,
- .final = stm32_hash_final,
- .finup = stm32_hash_finup,
- .digest = stm32_hash_digest,
- .export = stm32_hash_export,
- .import = stm32_hash_import,
- .halg = {
+ .base.init = stm32_hash_init,
+ .base.update = stm32_hash_update,
+ .base.final = stm32_hash_final,
+ .base.finup = stm32_hash_finup,
+ .base.digest = stm32_hash_digest,
+ .base.export = stm32_hash_export,
+ .base.import = stm32_hash_import,
+ .base.halg = {
.digestsize = SHA256_DIGEST_SIZE,
.statesize = sizeof(struct stm32_hash_state),
.base = {
@@ -1389,18 +1474,21 @@ static struct ahash_alg algs_sha256[] = {
.cra_exit = stm32_hash_cra_exit,
.cra_module = THIS_MODULE,
}
- }
+ },
+ .op = {
+ .do_one_request = stm32_hash_one_request,
+ },
},
{
- .init = stm32_hash_init,
- .update = stm32_hash_update,
- .final = stm32_hash_final,
- .finup = stm32_hash_finup,
- .digest = stm32_hash_digest,
- .export = stm32_hash_export,
- .import = stm32_hash_import,
- .setkey = stm32_hash_setkey,
- .halg = {
+ .base.init = stm32_hash_init,
+ .base.update = stm32_hash_update,
+ .base.final = stm32_hash_final,
+ .base.finup = stm32_hash_finup,
+ .base.digest = stm32_hash_digest,
+ .base.export = stm32_hash_export,
+ .base.import = stm32_hash_import,
+ .base.setkey = stm32_hash_setkey,
+ .base.halg = {
.digestsize = SHA256_DIGEST_SIZE,
.statesize = sizeof(struct stm32_hash_state),
.base = {
@@ -1412,14 +1500,377 @@ static struct ahash_alg algs_sha256[] = {
.cra_blocksize = SHA256_BLOCK_SIZE,
.cra_ctxsize = sizeof(struct stm32_hash_ctx),
.cra_alignmask = 3,
- .cra_init = stm32_hash_cra_sha256_init,
+ .cra_init = stm32_hash_cra_hmac_init,
.cra_exit = stm32_hash_cra_exit,
.cra_module = THIS_MODULE,
}
- }
+ },
+ .op = {
+ .do_one_request = stm32_hash_one_request,
+ },
},
};
+static struct ahash_engine_alg algs_sha384_sha512[] = {
+ {
+ .base.init = stm32_hash_init,
+ .base.update = stm32_hash_update,
+ .base.final = stm32_hash_final,
+ .base.finup = stm32_hash_finup,
+ .base.digest = stm32_hash_digest,
+ .base.export = stm32_hash_export,
+ .base.import = stm32_hash_import,
+ .base.halg = {
+ .digestsize = SHA384_DIGEST_SIZE,
+ .statesize = sizeof(struct stm32_hash_state),
+ .base = {
+ .cra_name = "sha384",
+ .cra_driver_name = "stm32-sha384",
+ .cra_priority = 200,
+ .cra_flags = CRYPTO_ALG_ASYNC |
+ CRYPTO_ALG_KERN_DRIVER_ONLY,
+ .cra_blocksize = SHA384_BLOCK_SIZE,
+ .cra_ctxsize = sizeof(struct stm32_hash_ctx),
+ .cra_alignmask = 3,
+ .cra_init = stm32_hash_cra_init,
+ .cra_exit = stm32_hash_cra_exit,
+ .cra_module = THIS_MODULE,
+ }
+ },
+ .op = {
+ .do_one_request = stm32_hash_one_request,
+ },
+ },
+ {
+ .base.init = stm32_hash_init,
+ .base.update = stm32_hash_update,
+ .base.final = stm32_hash_final,
+ .base.finup = stm32_hash_finup,
+ .base.digest = stm32_hash_digest,
+ .base.setkey = stm32_hash_setkey,
+ .base.export = stm32_hash_export,
+ .base.import = stm32_hash_import,
+ .base.halg = {
+ .digestsize = SHA384_DIGEST_SIZE,
+ .statesize = sizeof(struct stm32_hash_state),
+ .base = {
+ .cra_name = "hmac(sha384)",
+ .cra_driver_name = "stm32-hmac-sha384",
+ .cra_priority = 200,
+ .cra_flags = CRYPTO_ALG_ASYNC |
+ CRYPTO_ALG_KERN_DRIVER_ONLY,
+ .cra_blocksize = SHA384_BLOCK_SIZE,
+ .cra_ctxsize = sizeof(struct stm32_hash_ctx),
+ .cra_alignmask = 3,
+ .cra_init = stm32_hash_cra_hmac_init,
+ .cra_exit = stm32_hash_cra_exit,
+ .cra_module = THIS_MODULE,
+ }
+ },
+ .op = {
+ .do_one_request = stm32_hash_one_request,
+ },
+ },
+ {
+ .base.init = stm32_hash_init,
+ .base.update = stm32_hash_update,
+ .base.final = stm32_hash_final,
+ .base.finup = stm32_hash_finup,
+ .base.digest = stm32_hash_digest,
+ .base.export = stm32_hash_export,
+ .base.import = stm32_hash_import,
+ .base.halg = {
+ .digestsize = SHA512_DIGEST_SIZE,
+ .statesize = sizeof(struct stm32_hash_state),
+ .base = {
+ .cra_name = "sha512",
+ .cra_driver_name = "stm32-sha512",
+ .cra_priority = 200,
+ .cra_flags = CRYPTO_ALG_ASYNC |
+ CRYPTO_ALG_KERN_DRIVER_ONLY,
+ .cra_blocksize = SHA512_BLOCK_SIZE,
+ .cra_ctxsize = sizeof(struct stm32_hash_ctx),
+ .cra_alignmask = 3,
+ .cra_init = stm32_hash_cra_init,
+ .cra_exit = stm32_hash_cra_exit,
+ .cra_module = THIS_MODULE,
+ }
+ },
+ .op = {
+ .do_one_request = stm32_hash_one_request,
+ },
+ },
+ {
+ .base.init = stm32_hash_init,
+ .base.update = stm32_hash_update,
+ .base.final = stm32_hash_final,
+ .base.finup = stm32_hash_finup,
+ .base.digest = stm32_hash_digest,
+ .base.export = stm32_hash_export,
+ .base.import = stm32_hash_import,
+ .base.setkey = stm32_hash_setkey,
+ .base.halg = {
+ .digestsize = SHA512_DIGEST_SIZE,
+ .statesize = sizeof(struct stm32_hash_state),
+ .base = {
+ .cra_name = "hmac(sha512)",
+ .cra_driver_name = "stm32-hmac-sha512",
+ .cra_priority = 200,
+ .cra_flags = CRYPTO_ALG_ASYNC |
+ CRYPTO_ALG_KERN_DRIVER_ONLY,
+ .cra_blocksize = SHA512_BLOCK_SIZE,
+ .cra_ctxsize = sizeof(struct stm32_hash_ctx),
+ .cra_alignmask = 3,
+ .cra_init = stm32_hash_cra_hmac_init,
+ .cra_exit = stm32_hash_cra_exit,
+ .cra_module = THIS_MODULE,
+ }
+ },
+ .op = {
+ .do_one_request = stm32_hash_one_request,
+ },
+ },
+};
+
+static struct ahash_engine_alg algs_sha3[] = {
+ {
+ .base.init = stm32_hash_init,
+ .base.update = stm32_hash_update,
+ .base.final = stm32_hash_final,
+ .base.finup = stm32_hash_finup,
+ .base.digest = stm32_hash_digest,
+ .base.export = stm32_hash_export,
+ .base.import = stm32_hash_import,
+ .base.halg = {
+ .digestsize = SHA3_224_DIGEST_SIZE,
+ .statesize = sizeof(struct stm32_hash_state),
+ .base = {
+ .cra_name = "sha3-224",
+ .cra_driver_name = "stm32-sha3-224",
+ .cra_priority = 200,
+ .cra_flags = CRYPTO_ALG_ASYNC |
+ CRYPTO_ALG_KERN_DRIVER_ONLY,
+ .cra_blocksize = SHA3_224_BLOCK_SIZE,
+ .cra_ctxsize = sizeof(struct stm32_hash_ctx),
+ .cra_alignmask = 3,
+ .cra_init = stm32_hash_cra_sha3_init,
+ .cra_exit = stm32_hash_cra_exit,
+ .cra_module = THIS_MODULE,
+ }
+ },
+ .op = {
+ .do_one_request = stm32_hash_one_request,
+ },
+ },
+ {
+ .base.init = stm32_hash_init,
+ .base.update = stm32_hash_update,
+ .base.final = stm32_hash_final,
+ .base.finup = stm32_hash_finup,
+ .base.digest = stm32_hash_digest,
+ .base.export = stm32_hash_export,
+ .base.import = stm32_hash_import,
+ .base.setkey = stm32_hash_setkey,
+ .base.halg = {
+ .digestsize = SHA3_224_DIGEST_SIZE,
+ .statesize = sizeof(struct stm32_hash_state),
+ .base = {
+ .cra_name = "hmac(sha3-224)",
+ .cra_driver_name = "stm32-hmac-sha3-224",
+ .cra_priority = 200,
+ .cra_flags = CRYPTO_ALG_ASYNC |
+ CRYPTO_ALG_KERN_DRIVER_ONLY,
+ .cra_blocksize = SHA3_224_BLOCK_SIZE,
+ .cra_ctxsize = sizeof(struct stm32_hash_ctx),
+ .cra_alignmask = 3,
+ .cra_init = stm32_hash_cra_sha3_hmac_init,
+ .cra_exit = stm32_hash_cra_exit,
+ .cra_module = THIS_MODULE,
+ }
+ },
+ .op = {
+ .do_one_request = stm32_hash_one_request,
+ },
+ },
+ {
+ .base.init = stm32_hash_init,
+ .base.update = stm32_hash_update,
+ .base.final = stm32_hash_final,
+ .base.finup = stm32_hash_finup,
+ .base.digest = stm32_hash_digest,
+ .base.export = stm32_hash_export,
+ .base.import = stm32_hash_import,
+ .base.halg = {
+ .digestsize = SHA3_256_DIGEST_SIZE,
+ .statesize = sizeof(struct stm32_hash_state),
+ .base = {
+ .cra_name = "sha3-256",
+ .cra_driver_name = "stm32-sha3-256",
+ .cra_priority = 200,
+ .cra_flags = CRYPTO_ALG_ASYNC |
+ CRYPTO_ALG_KERN_DRIVER_ONLY,
+ .cra_blocksize = SHA3_256_BLOCK_SIZE,
+ .cra_ctxsize = sizeof(struct stm32_hash_ctx),
+ .cra_alignmask = 3,
+ .cra_init = stm32_hash_cra_sha3_init,
+ .cra_exit = stm32_hash_cra_exit,
+ .cra_module = THIS_MODULE,
+ }
+ },
+ .op = {
+ .do_one_request = stm32_hash_one_request,
+ },
+ },
+ {
+ .base.init = stm32_hash_init,
+ .base.update = stm32_hash_update,
+ .base.final = stm32_hash_final,
+ .base.finup = stm32_hash_finup,
+ .base.digest = stm32_hash_digest,
+ .base.export = stm32_hash_export,
+ .base.import = stm32_hash_import,
+ .base.setkey = stm32_hash_setkey,
+ .base.halg = {
+ .digestsize = SHA3_256_DIGEST_SIZE,
+ .statesize = sizeof(struct stm32_hash_state),
+ .base = {
+ .cra_name = "hmac(sha3-256)",
+ .cra_driver_name = "stm32-hmac-sha3-256",
+ .cra_priority = 200,
+ .cra_flags = CRYPTO_ALG_ASYNC |
+ CRYPTO_ALG_KERN_DRIVER_ONLY,
+ .cra_blocksize = SHA3_256_BLOCK_SIZE,
+ .cra_ctxsize = sizeof(struct stm32_hash_ctx),
+ .cra_alignmask = 3,
+ .cra_init = stm32_hash_cra_sha3_hmac_init,
+ .cra_exit = stm32_hash_cra_exit,
+ .cra_module = THIS_MODULE,
+ }
+ },
+ .op = {
+ .do_one_request = stm32_hash_one_request,
+ },
+ },
+ {
+ .base.init = stm32_hash_init,
+ .base.update = stm32_hash_update,
+ .base.final = stm32_hash_final,
+ .base.finup = stm32_hash_finup,
+ .base.digest = stm32_hash_digest,
+ .base.export = stm32_hash_export,
+ .base.import = stm32_hash_import,
+ .base.halg = {
+ .digestsize = SHA3_384_DIGEST_SIZE,
+ .statesize = sizeof(struct stm32_hash_state),
+ .base = {
+ .cra_name = "sha3-384",
+ .cra_driver_name = "stm32-sha3-384",
+ .cra_priority = 200,
+ .cra_flags = CRYPTO_ALG_ASYNC |
+ CRYPTO_ALG_KERN_DRIVER_ONLY,
+ .cra_blocksize = SHA3_384_BLOCK_SIZE,
+ .cra_ctxsize = sizeof(struct stm32_hash_ctx),
+ .cra_alignmask = 3,
+ .cra_init = stm32_hash_cra_sha3_init,
+ .cra_exit = stm32_hash_cra_exit,
+ .cra_module = THIS_MODULE,
+ }
+ },
+ .op = {
+ .do_one_request = stm32_hash_one_request,
+ },
+ },
+ {
+ .base.init = stm32_hash_init,
+ .base.update = stm32_hash_update,
+ .base.final = stm32_hash_final,
+ .base.finup = stm32_hash_finup,
+ .base.digest = stm32_hash_digest,
+ .base.export = stm32_hash_export,
+ .base.import = stm32_hash_import,
+ .base.setkey = stm32_hash_setkey,
+ .base.halg = {
+ .digestsize = SHA3_384_DIGEST_SIZE,
+ .statesize = sizeof(struct stm32_hash_state),
+ .base = {
+ .cra_name = "hmac(sha3-384)",
+ .cra_driver_name = "stm32-hmac-sha3-384",
+ .cra_priority = 200,
+ .cra_flags = CRYPTO_ALG_ASYNC |
+ CRYPTO_ALG_KERN_DRIVER_ONLY,
+ .cra_blocksize = SHA3_384_BLOCK_SIZE,
+ .cra_ctxsize = sizeof(struct stm32_hash_ctx),
+ .cra_alignmask = 3,
+ .cra_init = stm32_hash_cra_sha3_hmac_init,
+ .cra_exit = stm32_hash_cra_exit,
+ .cra_module = THIS_MODULE,
+ }
+ },
+ .op = {
+ .do_one_request = stm32_hash_one_request,
+ },
+ },
+ {
+ .base.init = stm32_hash_init,
+ .base.update = stm32_hash_update,
+ .base.final = stm32_hash_final,
+ .base.finup = stm32_hash_finup,
+ .base.digest = stm32_hash_digest,
+ .base.export = stm32_hash_export,
+ .base.import = stm32_hash_import,
+ .base.halg = {
+ .digestsize = SHA3_512_DIGEST_SIZE,
+ .statesize = sizeof(struct stm32_hash_state),
+ .base = {
+ .cra_name = "sha3-512",
+ .cra_driver_name = "stm32-sha3-512",
+ .cra_priority = 200,
+ .cra_flags = CRYPTO_ALG_ASYNC |
+ CRYPTO_ALG_KERN_DRIVER_ONLY,
+ .cra_blocksize = SHA3_512_BLOCK_SIZE,
+ .cra_ctxsize = sizeof(struct stm32_hash_ctx),
+ .cra_alignmask = 3,
+ .cra_init = stm32_hash_cra_sha3_init,
+ .cra_exit = stm32_hash_cra_exit,
+ .cra_module = THIS_MODULE,
+ }
+ },
+ .op = {
+ .do_one_request = stm32_hash_one_request,
+ },
+ },
+ {
+ .base.init = stm32_hash_init,
+ .base.update = stm32_hash_update,
+ .base.final = stm32_hash_final,
+ .base.finup = stm32_hash_finup,
+ .base.digest = stm32_hash_digest,
+ .base.export = stm32_hash_export,
+ .base.import = stm32_hash_import,
+ .base.setkey = stm32_hash_setkey,
+ .base.halg = {
+ .digestsize = SHA3_512_DIGEST_SIZE,
+ .statesize = sizeof(struct stm32_hash_state),
+ .base = {
+ .cra_name = "hmac(sha3-512)",
+ .cra_driver_name = "stm32-hmac-sha3-512",
+ .cra_priority = 200,
+ .cra_flags = CRYPTO_ALG_ASYNC |
+ CRYPTO_ALG_KERN_DRIVER_ONLY,
+ .cra_blocksize = SHA3_512_BLOCK_SIZE,
+ .cra_ctxsize = sizeof(struct stm32_hash_ctx),
+ .cra_alignmask = 3,
+ .cra_init = stm32_hash_cra_sha3_hmac_init,
+ .cra_exit = stm32_hash_cra_exit,
+ .cra_module = THIS_MODULE,
+ }
+ },
+ .op = {
+ .do_one_request = stm32_hash_one_request,
+ },
+ }
+};
+
static int stm32_hash_register_algs(struct stm32_hash_dev *hdev)
{
unsigned int i, j;
@@ -1427,7 +1878,7 @@ static int stm32_hash_register_algs(struct stm32_hash_dev *hdev)
for (i = 0; i < hdev->pdata->algs_info_size; i++) {
for (j = 0; j < hdev->pdata->algs_info[i].size; j++) {
- err = crypto_register_ahash(
+ err = crypto_engine_register_ahash(
&hdev->pdata->algs_info[i].algs_list[j]);
if (err)
goto err_algs;
@@ -1439,7 +1890,7 @@ err_algs:
dev_err(hdev->dev, "Algo %d : %d failed\n", i, j);
for (; i--; ) {
for (; j--;)
- crypto_unregister_ahash(
+ crypto_engine_unregister_ahash(
&hdev->pdata->algs_info[i].algs_list[j]);
}
@@ -1452,7 +1903,7 @@ static int stm32_hash_unregister_algs(struct stm32_hash_dev *hdev)
for (i = 0; i < hdev->pdata->algs_info_size; i++) {
for (j = 0; j < hdev->pdata->algs_info[i].size; j++)
- crypto_unregister_ahash(
+ crypto_engine_unregister_ahash(
&hdev->pdata->algs_info[i].algs_list[j]);
}
@@ -1471,6 +1922,7 @@ static struct stm32_hash_algs_info stm32_hash_algs_info_ux500[] = {
};
static const struct stm32_hash_pdata stm32_hash_pdata_ux500 = {
+ .alg_shift = 7,
.algs_info = stm32_hash_algs_info_ux500,
.algs_info_size = ARRAY_SIZE(stm32_hash_algs_info_ux500),
.broken_emptymsg = true,
@@ -1489,6 +1941,7 @@ static struct stm32_hash_algs_info stm32_hash_algs_info_stm32f4[] = {
};
static const struct stm32_hash_pdata stm32_hash_pdata_stm32f4 = {
+ .alg_shift = 7,
.algs_info = stm32_hash_algs_info_stm32f4,
.algs_info_size = ARRAY_SIZE(stm32_hash_algs_info_stm32f4),
.has_sr = true,
@@ -1515,25 +1968,49 @@ static struct stm32_hash_algs_info stm32_hash_algs_info_stm32f7[] = {
};
static const struct stm32_hash_pdata stm32_hash_pdata_stm32f7 = {
+ .alg_shift = 7,
.algs_info = stm32_hash_algs_info_stm32f7,
.algs_info_size = ARRAY_SIZE(stm32_hash_algs_info_stm32f7),
.has_sr = true,
.has_mdmat = true,
};
-static const struct of_device_id stm32_hash_of_match[] = {
+static struct stm32_hash_algs_info stm32_hash_algs_info_stm32mp13[] = {
{
- .compatible = "stericsson,ux500-hash",
- .data = &stm32_hash_pdata_ux500,
+ .algs_list = algs_sha1,
+ .size = ARRAY_SIZE(algs_sha1),
+ },
+ {
+ .algs_list = algs_sha224,
+ .size = ARRAY_SIZE(algs_sha224),
+ },
+ {
+ .algs_list = algs_sha256,
+ .size = ARRAY_SIZE(algs_sha256),
},
{
- .compatible = "st,stm32f456-hash",
- .data = &stm32_hash_pdata_stm32f4,
+ .algs_list = algs_sha384_sha512,
+ .size = ARRAY_SIZE(algs_sha384_sha512),
},
{
- .compatible = "st,stm32f756-hash",
- .data = &stm32_hash_pdata_stm32f7,
+ .algs_list = algs_sha3,
+ .size = ARRAY_SIZE(algs_sha3),
},
+};
+
+static const struct stm32_hash_pdata stm32_hash_pdata_stm32mp13 = {
+ .alg_shift = 17,
+ .algs_info = stm32_hash_algs_info_stm32mp13,
+ .algs_info_size = ARRAY_SIZE(stm32_hash_algs_info_stm32mp13),
+ .has_sr = true,
+ .has_mdmat = true,
+};
+
+static const struct of_device_id stm32_hash_of_match[] = {
+ { .compatible = "stericsson,ux500-hash", .data = &stm32_hash_pdata_ux500 },
+ { .compatible = "st,stm32f456-hash", .data = &stm32_hash_pdata_stm32f4 },
+ { .compatible = "st,stm32f756-hash", .data = &stm32_hash_pdata_stm32f7 },
+ { .compatible = "st,stm32mp13-hash", .data = &stm32_hash_pdata_stm32mp13 },
{},
};
@@ -1548,12 +2025,6 @@ static int stm32_hash_get_of_match(struct stm32_hash_dev *hdev,
return -EINVAL;
}
- if (of_property_read_u32(dev->of_node, "dma-maxburst",
- &hdev->dma_maxburst)) {
- dev_info(dev, "dma-maxburst not specified, using 0\n");
- hdev->dma_maxburst = 0;
- }
-
return 0;
}
@@ -1663,7 +2134,7 @@ static int stm32_hash_probe(struct platform_device *pdev)
/* FIXME: implement DMA mode for Ux500 */
hdev->dma_mode = 0;
else
- hdev->dma_mode = stm32_hash_read(hdev, HASH_HWCFGR);
+ hdev->dma_mode = stm32_hash_read(hdev, HASH_HWCFGR) & HASH_HWCFG_DMA_MASK;
/* Register algos */
ret = stm32_hash_register_algs(hdev);
@@ -1696,18 +2167,12 @@ err_reset:
return ret;
}
-static int stm32_hash_remove(struct platform_device *pdev)
+static void stm32_hash_remove(struct platform_device *pdev)
{
- struct stm32_hash_dev *hdev;
+ struct stm32_hash_dev *hdev = platform_get_drvdata(pdev);
int ret;
- hdev = platform_get_drvdata(pdev);
- if (!hdev)
- return -ENODEV;
-
- ret = pm_runtime_resume_and_get(hdev->dev);
- if (ret < 0)
- return ret;
+ ret = pm_runtime_get_sync(hdev->dev);
stm32_hash_unregister_algs(hdev);
@@ -1723,9 +2188,8 @@ static int stm32_hash_remove(struct platform_device *pdev)
pm_runtime_disable(hdev->dev);
pm_runtime_put_noidle(hdev->dev);
- clk_disable_unprepare(hdev->clk);
-
- return 0;
+ if (ret >= 0)
+ clk_disable_unprepare(hdev->clk);
}
#ifdef CONFIG_PM
@@ -1762,7 +2226,7 @@ static const struct dev_pm_ops stm32_hash_pm_ops = {
static struct platform_driver stm32_hash_driver = {
.probe = stm32_hash_probe,
- .remove = stm32_hash_remove,
+ .remove_new = stm32_hash_remove,
.driver = {
.name = "stm32-hash",
.pm = &stm32_hash_pm_ops,
@@ -1772,6 +2236,6 @@ static struct platform_driver stm32_hash_driver = {
module_platform_driver(stm32_hash_driver);
-MODULE_DESCRIPTION("STM32 SHA1/224/256 & MD5 (HMAC) hw accelerator driver");
+MODULE_DESCRIPTION("STM32 SHA1/SHA2/SHA3 & MD5 (HMAC) hw accelerator driver");
MODULE_AUTHOR("Lionel Debieve <lionel.debieve@st.com>");
MODULE_LICENSE("GPL v2");
generated by cgit v1.2.3 (git 2.39.0) at 2025-01-13 08:34:57 +0300