diff options
Diffstat (limited to 'drivers/crypto/chelsio/chcr_common.h')
-rw-r--r-- | drivers/crypto/chelsio/chcr_common.h | 135 |
1 files changed, 0 insertions, 135 deletions
diff --git a/drivers/crypto/chelsio/chcr_common.h b/drivers/crypto/chelsio/chcr_common.h deleted file mode 100644 index 33f589cbfba1..000000000000 --- a/drivers/crypto/chelsio/chcr_common.h +++ /dev/null @@ -1,135 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-only */ -/* Copyright (C) 2020 Chelsio Communications. All rights reserved. */ - -#ifndef __CHCR_COMMON_H__ -#define __CHCR_COMMON_H__ - -#include "cxgb4.h" - -#define CHCR_MAX_SALT 4 -#define CHCR_KEYCTX_MAC_KEY_SIZE_128 0 -#define CHCR_KEYCTX_CIPHER_KEY_SIZE_128 0 -#define CHCR_SCMD_CIPHER_MODE_AES_GCM 2 -#define CHCR_SCMD_CIPHER_MODE_AES_CTR 3 -#define CHCR_CPL_TX_SEC_PDU_LEN_64BIT 2 -#define CHCR_SCMD_SEQ_NO_CTRL_64BIT 3 -#define CHCR_SCMD_PROTO_VERSION_TLS 0 -#define CHCR_SCMD_PROTO_VERSION_GENERIC 4 -#define CHCR_SCMD_AUTH_MODE_GHASH 4 -#define AES_BLOCK_LEN 16 - -enum chcr_state { - CHCR_INIT = 0, - CHCR_ATTACH, - CHCR_DETACH, -}; - -struct chcr_dev { - spinlock_t lock_chcr_dev; /* chcr dev structure lock */ - enum chcr_state state; - atomic_t inflight; - int wqretry; - struct delayed_work detach_work; - struct completion detach_comp; - unsigned char tx_channel_id; -}; - -struct uld_ctx { - struct list_head entry; - struct cxgb4_lld_info lldi; - struct chcr_dev dev; -}; - -struct ktls_key_ctx { - __be32 ctx_hdr; - u8 salt[CHCR_MAX_SALT]; - __be64 iv_to_auth; - unsigned char key[TLS_CIPHER_AES_GCM_128_KEY_SIZE + - TLS_CIPHER_AES_GCM_256_TAG_SIZE]; -}; - -/* Crypto key context */ -#define KEY_CONTEXT_CTX_LEN_S 24 -#define KEY_CONTEXT_CTX_LEN_V(x) ((x) << KEY_CONTEXT_CTX_LEN_S) - -#define KEY_CONTEXT_SALT_PRESENT_S 10 -#define KEY_CONTEXT_SALT_PRESENT_V(x) ((x) << KEY_CONTEXT_SALT_PRESENT_S) -#define KEY_CONTEXT_SALT_PRESENT_F KEY_CONTEXT_SALT_PRESENT_V(1U) - -#define KEY_CONTEXT_VALID_S 0 -#define KEY_CONTEXT_VALID_V(x) ((x) << KEY_CONTEXT_VALID_S) -#define KEY_CONTEXT_VALID_F KEY_CONTEXT_VALID_V(1U) - -#define KEY_CONTEXT_CK_SIZE_S 6 -#define KEY_CONTEXT_CK_SIZE_V(x) ((x) << KEY_CONTEXT_CK_SIZE_S) - -#define KEY_CONTEXT_MK_SIZE_S 2 -#define KEY_CONTEXT_MK_SIZE_V(x) ((x) << KEY_CONTEXT_MK_SIZE_S) - -#define KEY_CONTEXT_OPAD_PRESENT_S 11 -#define KEY_CONTEXT_OPAD_PRESENT_V(x) ((x) << KEY_CONTEXT_OPAD_PRESENT_S) -#define KEY_CONTEXT_OPAD_PRESENT_F KEY_CONTEXT_OPAD_PRESENT_V(1U) - -#define FILL_KEY_CTX_HDR(ck_size, mk_size, ctx_len) \ - htonl(KEY_CONTEXT_MK_SIZE_V(mk_size) | \ - KEY_CONTEXT_CK_SIZE_V(ck_size) | \ - KEY_CONTEXT_VALID_F | \ - KEY_CONTEXT_SALT_PRESENT_F | \ - KEY_CONTEXT_CTX_LEN_V((ctx_len))) - -struct uld_ctx *assign_chcr_device(void); - -static inline void *chcr_copy_to_txd(const void *src, const struct sge_txq *q, - void *pos, int length) -{ - int left = (void *)q->stat - pos; - u64 *p; - - if (likely(length <= left)) { - memcpy(pos, src, length); - pos += length; - } else { - memcpy(pos, src, left); - memcpy(q->desc, src + left, length - left); - pos = (void *)q->desc + (length - left); - } - /* 0-pad to multiple of 16 */ - p = PTR_ALIGN(pos, 8); - if ((uintptr_t)p & 8) { - *p = 0; - return p + 1; - } - return p; -} - -static inline unsigned int chcr_txq_avail(const struct sge_txq *q) -{ - return q->size - 1 - q->in_use; -} - -static inline void chcr_txq_advance(struct sge_txq *q, unsigned int n) -{ - q->in_use += n; - q->pidx += n; - if (q->pidx >= q->size) - q->pidx -= q->size; -} - -static inline void chcr_eth_txq_stop(struct sge_eth_txq *q) -{ - netif_tx_stop_queue(q->txq); - q->q.stops++; -} - -static inline unsigned int chcr_sgl_len(unsigned int n) -{ - n--; - return (3 * n) / 2 + (n & 1) + 2; -} - -static inline unsigned int chcr_flits_to_desc(unsigned int n) -{ - WARN_ON(n > SGE_MAX_WR_LEN / 8); - return DIV_ROUND_UP(n, 8); -} -#endif /* __CHCR_COMMON_H__ */ |