Adding upstream version 6.1.76.upstream/6.1.76upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 235 insertions, 0 deletions

diff --git a/drivers/crypto/hisilicon/sec2/sec.h b/drivers/crypto/hisilicon/sec2/sec.h
new file mode 100644
index 000000000..410c83712
--- /dev/null
+++ b/drivers/crypto/hisilicon/sec2/sec.h
@@ -0,0 +1,235 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright (c) 2019 HiSilicon Limited. */
+
+#ifndef __HISI_SEC_V2_H
+#define __HISI_SEC_V2_H
+
+#include <linux/hisi_acc_qm.h>
+#include "sec_crypto.h"
+
+/* Algorithm resource per hardware SEC queue */
+struct sec_alg_res {
+	u8 *pbuf;
+	dma_addr_t pbuf_dma;
+	u8 *c_ivin;
+	dma_addr_t c_ivin_dma;
+	u8 *a_ivin;
+	dma_addr_t a_ivin_dma;
+	u8 *out_mac;
+	dma_addr_t out_mac_dma;
+	u16 depth;
+};
+
+/* Cipher request of SEC private */
+struct sec_cipher_req {
+	struct hisi_acc_hw_sgl *c_out;
+	dma_addr_t c_out_dma;
+	u8 *c_ivin;
+	dma_addr_t c_ivin_dma;
+	struct skcipher_request *sk_req;
+	u32 c_len;
+	bool encrypt;
+};
+
+struct sec_aead_req {
+	u8 *out_mac;
+	dma_addr_t out_mac_dma;
+	u8 *a_ivin;
+	dma_addr_t a_ivin_dma;
+	struct aead_request *aead_req;
+};
+
+/* SEC request of Crypto */
+struct sec_req {
+	union {
+		struct sec_sqe sec_sqe;
+		struct sec_sqe3 sec_sqe3;
+	};
+	struct sec_ctx *ctx;
+	struct sec_qp_ctx *qp_ctx;
+
+	/**
+	 * Common parameter of the SEC request.
+	 */
+	struct hisi_acc_hw_sgl *in;
+	dma_addr_t in_dma;
+	struct sec_cipher_req c_req;
+	struct sec_aead_req aead_req;
+	struct list_head backlog_head;
+
+	int err_type;
+	int req_id;
+	u32 flag;
+
+	/* Status of the SEC request */
+	bool fake_busy;
+	bool use_pbuf;
+};
+
+/**
+ * struct sec_req_op - Operations for SEC request
+ * @buf_map: DMA map the SGL buffers of the request
+ * @buf_unmap: DMA unmap the SGL buffers of the request
+ * @bd_fill: Fill the SEC queue BD
+ * @bd_send: Send the SEC BD into the hardware queue
+ * @callback: Call back for the request
+ * @process: Main processing logic of Skcipher
+ */
+struct sec_req_op {
+	int (*buf_map)(struct sec_ctx *ctx, struct sec_req *req);
+	void (*buf_unmap)(struct sec_ctx *ctx, struct sec_req *req);
+	void (*do_transfer)(struct sec_ctx *ctx, struct sec_req *req);
+	int (*bd_fill)(struct sec_ctx *ctx, struct sec_req *req);
+	int (*bd_send)(struct sec_ctx *ctx, struct sec_req *req);
+	void (*callback)(struct sec_ctx *ctx, struct sec_req *req, int err);
+	int (*process)(struct sec_ctx *ctx, struct sec_req *req);
+};
+
+/* SEC auth context */
+struct sec_auth_ctx {
+	dma_addr_t a_key_dma;
+	u8 *a_key;
+	u8 a_key_len;
+	u8 mac_len;
+	u8 a_alg;
+	bool fallback;
+	struct crypto_shash *hash_tfm;
+	struct crypto_aead *fallback_aead_tfm;
+};
+
+/* SEC cipher context which cipher's relatives */
+struct sec_cipher_ctx {
+	u8 *c_key;
+	dma_addr_t c_key_dma;
+	sector_t iv_offset;
+	u32 c_gran_size;
+	u32 ivsize;
+	u8 c_mode;
+	u8 c_alg;
+	u8 c_key_len;
+
+	/* add software support */
+	bool fallback;
+	struct crypto_sync_skcipher *fbtfm;
+};
+
+/* SEC queue context which defines queue's relatives */
+struct sec_qp_ctx {
+	struct hisi_qp *qp;
+	struct sec_req **req_list;
+	struct idr req_idr;
+	struct sec_alg_res *res;
+	struct sec_ctx *ctx;
+	spinlock_t req_lock;
+	struct list_head backlog;
+	struct hisi_acc_sgl_pool *c_in_pool;
+	struct hisi_acc_sgl_pool *c_out_pool;
+};
+
+enum sec_alg_type {
+	SEC_SKCIPHER,
+	SEC_AEAD
+};
+
+/* SEC Crypto TFM context which defines queue and cipher .etc relatives */
+struct sec_ctx {
+	struct sec_qp_ctx *qp_ctx;
+	struct sec_dev *sec;
+	const struct sec_req_op *req_op;
+	struct hisi_qp **qps;
+
+	/* Half queues for encipher, and half for decipher */
+	u32 hlf_q_num;
+
+	/* Threshold for fake busy, trigger to return -EBUSY to user */
+	u32 fake_req_limit;
+
+	/* Current cyclic index to select a queue for encipher */
+	atomic_t enc_qcyclic;
+
+	 /* Current cyclic index to select a queue for decipher */
+	atomic_t dec_qcyclic;
+
+	enum sec_alg_type alg_type;
+	bool pbuf_supported;
+	struct sec_cipher_ctx c_ctx;
+	struct sec_auth_ctx a_ctx;
+	u8 type_supported;
+	struct device *dev;
+};
+
+
+enum sec_debug_file_index {
+	SEC_CLEAR_ENABLE,
+	SEC_DEBUG_FILE_NUM,
+};
+
+struct sec_debug_file {
+	enum sec_debug_file_index index;
+	spinlock_t lock;
+	struct hisi_qm *qm;
+};
+
+struct sec_dfx {
+	atomic64_t send_cnt;
+	atomic64_t recv_cnt;
+	atomic64_t send_busy_cnt;
+	atomic64_t recv_busy_cnt;
+	atomic64_t err_bd_cnt;
+	atomic64_t invalid_req_cnt;
+	atomic64_t done_flag_cnt;
+};
+
+struct sec_debug {
+	struct sec_dfx dfx;
+	struct sec_debug_file files[SEC_DEBUG_FILE_NUM];
+};
+
+struct sec_dev {
+	struct hisi_qm qm;
+	struct sec_debug debug;
+	u32 ctx_q_num;
+	bool iommu_used;
+};
+
+enum sec_cap_type {
+	SEC_QM_NFE_MASK_CAP = 0x0,
+	SEC_QM_RESET_MASK_CAP,
+	SEC_QM_OOO_SHUTDOWN_MASK_CAP,
+	SEC_QM_CE_MASK_CAP,
+	SEC_NFE_MASK_CAP,
+	SEC_RESET_MASK_CAP,
+	SEC_OOO_SHUTDOWN_MASK_CAP,
+	SEC_CE_MASK_CAP,
+	SEC_CLUSTER_NUM_CAP,
+	SEC_CORE_TYPE_NUM_CAP,
+	SEC_CORE_NUM_CAP,
+	SEC_CORES_PER_CLUSTER_NUM_CAP,
+	SEC_CORE_ENABLE_BITMAP,
+	SEC_DRV_ALG_BITMAP_LOW,
+	SEC_DRV_ALG_BITMAP_HIGH,
+	SEC_DEV_ALG_BITMAP_LOW,
+	SEC_DEV_ALG_BITMAP_HIGH,
+	SEC_CORE1_ALG_BITMAP_LOW,
+	SEC_CORE1_ALG_BITMAP_HIGH,
+	SEC_CORE2_ALG_BITMAP_LOW,
+	SEC_CORE2_ALG_BITMAP_HIGH,
+	SEC_CORE3_ALG_BITMAP_LOW,
+	SEC_CORE3_ALG_BITMAP_HIGH,
+	SEC_CORE4_ALG_BITMAP_LOW,
+	SEC_CORE4_ALG_BITMAP_HIGH,
+};
+
+enum sec_cap_reg_record_idx {
+	SEC_DRV_ALG_BITMAP_LOW_IDX = 0x0,
+	SEC_DRV_ALG_BITMAP_HIGH_IDX,
+	SEC_DEV_ALG_BITMAP_LOW_IDX,
+	SEC_DEV_ALG_BITMAP_HIGH_IDX,
+};
+
+void sec_destroy_qps(struct hisi_qp **qps, int qp_num);
+struct hisi_qp **sec_create_qps(void);
+int sec_register_to_crypto(struct hisi_qm *qm);
+void sec_unregister_from_crypto(struct hisi_qm *qm);
+u64 sec_get_alg_bitmap(struct hisi_qm *qm, u32 high, u32 low);
+#endif