diff options
| author | Linus Walleij <linusw@kernel.org> | 2026-06-30 18:05:56 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@armlinux.org.uk> | 2026-08-05 16:48:11 +0100 |
| commit | bb3b2cfeb206f5b10b859e134651b54120e3f530 (patch) | |
| tree | 6717fcea088ba5c5f15002a48101fa2537135bf2 /drivers/crypto/qce/cipher.h | |
| download | linux-stable-bb3b2cfeb206f5b10b859e134651b54120e3f530.tar.gz linux-stable-bb3b2cfeb206f5b10b859e134651b54120e3f530.zip | |
ARM: 9480/1: entry: expand comment in __switch_tografted
As per discussion between the developers in the mail thread
linked, expand the comment in __switch_to so that readers
of the code understand what is going on.
Suggested-by: Mark Rutland <mark.rutland@arm.com>
Acked-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Linus Walleij <linusw@kernel.org>>
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Diffstat (limited to 'drivers/crypto/qce/cipher.h')
| -rw-r--r-- | drivers/crypto/qce/cipher.h | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/drivers/crypto/qce/cipher.h b/drivers/crypto/qce/cipher.h new file mode 100644 index 000000000..850f257d0 --- /dev/null +++ b/drivers/crypto/qce/cipher.h @@ -0,0 +1,56 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Copyright (c) 2010-2014, The Linux Foundation. All rights reserved. + */ + +#ifndef _CIPHER_H_ +#define _CIPHER_H_ + +#include "common.h" +#include "core.h" + +#define QCE_MAX_KEY_SIZE 64 + +struct qce_cipher_ctx { + u8 enc_key[QCE_MAX_KEY_SIZE]; + unsigned int enc_keylen; + struct crypto_skcipher *fallback; +}; + +/** + * struct qce_cipher_reqctx - holds private cipher objects per request + * @flags: operation flags + * @iv: pointer to the IV + * @ivsize: IV size + * @src_nents: source entries + * @dst_nents: destination entries + * @result_sg: scatterlist used for result buffer + * @dst_tbl: destination sg table + * @dst_sg: destination sg pointer table beginning + * @src_tbl: source sg table + * @src_sg: source sg pointer table beginning; + * @cryptlen: crypto length + */ +struct qce_cipher_reqctx { + unsigned long flags; + u8 *iv; + unsigned int ivsize; + int src_nents; + int dst_nents; + struct scatterlist result_sg; + struct sg_table dst_tbl; + struct scatterlist *dst_sg; + struct scatterlist *src_sg; + unsigned int cryptlen; + struct skcipher_request fallback_req; // keep at the end +}; + +static inline struct qce_alg_template *to_cipher_tmpl(struct crypto_skcipher *tfm) +{ + struct skcipher_alg *alg = crypto_skcipher_alg(tfm); + return container_of(alg, struct qce_alg_template, alg.skcipher); +} + +extern const struct qce_algo_ops skcipher_ops; + +#endif /* _CIPHER_H_ */ |