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crypto: zynqmp - Use new crypto_engine_op interface

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Use the new crypto_engine_op interface where the callback is stored
in the algorithm object.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Herbert Xu 2023-08-13 14:55:18 +08:00
parent 7a2673d70c
commit 28f860d377
1 changed files with 18 additions and 17 deletions
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35
drivers/crypto/xilinx/zynqmp-aes-gcm.c
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@ -9,13 +9,14 @@
#include <crypto/gcm.h>
#include <crypto/internal/aead.h>
#include <crypto/scatterwalk.h>
#include <linux/dma-mapping.h>
#include <linux/err.h>
#include <linux/firmware/xlnx-zynqmp.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/of_device.h>
#include <linux/platform_device.h>
#include <linux/firmware/xlnx-zynqmp.h>
#include <linux/string.h>
#define ZYNQMP_DMA_BIT_MASK 32U
@ -43,7 +44,7 @@ enum zynqmp_aead_keysrc {
struct zynqmp_aead_drv_ctx {
union {
struct aead_alg aead;
struct aead_engine_alg aead;
} alg;
struct device *dev;
struct crypto_engine *engine;
@ -60,7 +61,6 @@ struct zynqmp_aead_hw_req {
};
struct zynqmp_aead_tfm_ctx {
struct crypto_engine_ctx engine_ctx;
struct device *dev;
u8 key[ZYNQMP_AES_KEY_SIZE];
u8 *iv;
@ -286,7 +286,7 @@ static int zynqmp_aes_aead_encrypt(struct aead_request *req)
struct zynqmp_aead_req_ctx *rq_ctx = aead_request_ctx(req);
rq_ctx->op = ZYNQMP_AES_ENCRYPT;
drv_ctx = container_of(alg, struct zynqmp_aead_drv_ctx, alg.aead);
drv_ctx = container_of(alg, struct zynqmp_aead_drv_ctx, alg.aead.base);
return crypto_transfer_aead_request_to_engine(drv_ctx->engine, req);
}
@ -299,7 +299,7 @@ static int zynqmp_aes_aead_decrypt(struct aead_request *req)
struct zynqmp_aead_req_ctx *rq_ctx = aead_request_ctx(req);
rq_ctx->op = ZYNQMP_AES_DECRYPT;
drv_ctx = container_of(alg, struct zynqmp_aead_drv_ctx, alg.aead);
drv_ctx = container_of(alg, struct zynqmp_aead_drv_ctx, alg.aead.base);
return crypto_transfer_aead_request_to_engine(drv_ctx->engine, req);
}
@ -312,18 +312,16 @@ static int zynqmp_aes_aead_init(struct crypto_aead *aead)
struct zynqmp_aead_drv_ctx *drv_ctx;
struct aead_alg *alg = crypto_aead_alg(aead);
drv_ctx = container_of(alg, struct zynqmp_aead_drv_ctx, alg.aead);
drv_ctx = container_of(alg, struct zynqmp_aead_drv_ctx, alg.aead.base);
tfm_ctx->dev = drv_ctx->dev;
tfm_ctx->engine_ctx.op.do_one_request = zynqmp_handle_aes_req;
tfm_ctx->fbk_cipher = crypto_alloc_aead(drv_ctx->alg.aead.base.cra_name,
tfm_ctx->fbk_cipher = crypto_alloc_aead(drv_ctx->alg.aead.base.base.cra_name,
0,
CRYPTO_ALG_NEED_FALLBACK);
if (IS_ERR(tfm_ctx->fbk_cipher)) {
pr_err("%s() Error: failed to allocate fallback for %s\n",
__func__, drv_ctx->alg.aead.base.cra_name);
__func__, drv_ctx->alg.aead.base.base.cra_name);
return PTR_ERR(tfm_ctx->fbk_cipher);
}
@ -348,7 +346,7 @@ static void zynqmp_aes_aead_exit(struct crypto_aead *aead)
}
static struct zynqmp_aead_drv_ctx aes_drv_ctx = {
.alg.aead = {
.alg.aead.base = {
.setkey = zynqmp_aes_aead_setkey,
.setauthsize = zynqmp_aes_aead_setauthsize,
.encrypt = zynqmp_aes_aead_encrypt,
@ -370,7 +368,10 @@ static struct zynqmp_aead_drv_ctx aes_drv_ctx = {
.cra_ctxsize = sizeof(struct zynqmp_aead_tfm_ctx),
.cra_module = THIS_MODULE,
}
}
},
.alg.aead.op = {
.do_one_request = zynqmp_handle_aes_req,
},
};
static int zynqmp_aes_aead_probe(struct platform_device *pdev)
@ -403,7 +404,7 @@ static int zynqmp_aes_aead_probe(struct platform_device *pdev)
goto err_engine;
}
err = crypto_register_aead(&aes_drv_ctx.alg.aead);
err = crypto_engine_register_aead(&aes_drv_ctx.alg.aead);
if (err < 0) {
dev_err(dev, "Failed to register AEAD alg.\n");
goto err_aead;
@ -411,7 +412,7 @@ static int zynqmp_aes_aead_probe(struct platform_device *pdev)
return 0;
err_aead:
crypto_unregister_aead(&aes_drv_ctx.alg.aead);
crypto_engine_unregister_aead(&aes_drv_ctx.alg.aead);
err_engine:
if (aes_drv_ctx.engine)
@ -423,7 +424,7 @@ err_engine:
static int zynqmp_aes_aead_remove(struct platform_device *pdev)
{
crypto_engine_exit(aes_drv_ctx.engine);
crypto_unregister_aead(&aes_drv_ctx.alg.aead);
crypto_engine_unregister_aead(&aes_drv_ctx.alg.aead);
return 0;
}