Revision 2e6e1fde32d7d41cf076c21060c329d3fdbce25c authored by Pavel Begunkov on 05 December 2019, 13:15:45 UTC, committed by Jens Axboe on 05 December 2019, 13:54:51 UTC
In case of an error io_submit_sqe() drops a request and continues without it, even if the request was a part of a link. Not only it doesn't cancel links, but also may execute wrong sequence of actions. Stop consuming sqes, and let the user handle errors. Signed-off-by: Pavel Begunkov <asml.silence@gmail.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
1 parent 78076bb
geode-aes.h
/* SPDX-License-Identifier: GPL-2.0-or-later */
/* Copyright (C) 2003-2006, Advanced Micro Devices, Inc.
*/
#ifndef _GEODE_AES_H_
#define _GEODE_AES_H_
/* driver logic flags */
#define AES_MODE_ECB 0
#define AES_MODE_CBC 1
#define AES_DIR_DECRYPT 0
#define AES_DIR_ENCRYPT 1
#define AES_FLAGS_HIDDENKEY (1 << 0)
/* Register definitions */
#define AES_CTRLA_REG 0x0000
#define AES_CTRL_START 0x01
#define AES_CTRL_DECRYPT 0x00
#define AES_CTRL_ENCRYPT 0x02
#define AES_CTRL_WRKEY 0x04
#define AES_CTRL_DCA 0x08
#define AES_CTRL_SCA 0x10
#define AES_CTRL_CBC 0x20
#define AES_INTR_REG 0x0008
#define AES_INTRA_PENDING (1 << 16)
#define AES_INTRB_PENDING (1 << 17)
#define AES_INTR_PENDING (AES_INTRA_PENDING | AES_INTRB_PENDING)
#define AES_INTR_MASK 0x07
#define AES_SOURCEA_REG 0x0010
#define AES_DSTA_REG 0x0014
#define AES_LENA_REG 0x0018
#define AES_WRITEKEY0_REG 0x0030
#define AES_WRITEIV0_REG 0x0040
/* A very large counter that is used to gracefully bail out of an
* operation in case of trouble
*/
#define AES_OP_TIMEOUT 0x50000
struct geode_aes_tfm_ctx {
u8 key[AES_KEYSIZE_128];
union {
struct crypto_skcipher *skcipher;
struct crypto_cipher *cip;
} fallback;
u32 keylen;
};
#endif
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