cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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hpre.h (2274B)

      1/* SPDX-License-Identifier: GPL-2.0 */
      2/* Copyright (c) 2019 HiSilicon Limited. */
      3#ifndef __HISI_HPRE_H
      4#define __HISI_HPRE_H
      5
      6#include <linux/list.h>
      7#include <linux/hisi_acc_qm.h>
      8
      9#define HPRE_SQE_SIZE			sizeof(struct hpre_sqe)
     10#define HPRE_PF_DEF_Q_NUM		64
     11#define HPRE_PF_DEF_Q_BASE		0
     12
     13/*
     14 * type used in qm sqc DW6.
     15 * 0 - Algorithm which has been supported in V2, like RSA, DH and so on;
     16 * 1 - ECC algorithm in V3.
     17 */
     18#define HPRE_V2_ALG_TYPE	0
     19#define HPRE_V3_ECC_ALG_TYPE	1
     20
     21enum {
     22	HPRE_CLUSTER0,
     23	HPRE_CLUSTER1,
     24	HPRE_CLUSTER2,
     25	HPRE_CLUSTER3
     26};
     27
     28enum hpre_ctrl_dbgfs_file {
     29	HPRE_CLEAR_ENABLE,
     30	HPRE_CLUSTER_CTRL,
     31	HPRE_DEBUG_FILE_NUM,
     32};
     33
     34enum hpre_dfx_dbgfs_file {
     35	HPRE_SEND_CNT,
     36	HPRE_RECV_CNT,
     37	HPRE_SEND_FAIL_CNT,
     38	HPRE_SEND_BUSY_CNT,
     39	HPRE_OVER_THRHLD_CNT,
     40	HPRE_OVERTIME_THRHLD,
     41	HPRE_INVALID_REQ_CNT,
     42	HPRE_DFX_FILE_NUM
     43};
     44
     45#define HPRE_CLUSTERS_NUM_V2		(HPRE_CLUSTER3 + 1)
     46#define HPRE_CLUSTERS_NUM_V3		1
     47#define HPRE_CLUSTERS_NUM_MAX		HPRE_CLUSTERS_NUM_V2
     48#define HPRE_DEBUGFS_FILE_NUM (HPRE_DEBUG_FILE_NUM + HPRE_CLUSTERS_NUM_MAX - 1)
     49
     50struct hpre_debugfs_file {
     51	int index;
     52	enum hpre_ctrl_dbgfs_file type;
     53	spinlock_t lock;
     54	struct hpre_debug *debug;
     55};
     56
     57struct hpre_dfx {
     58	atomic64_t value;
     59	enum hpre_dfx_dbgfs_file type;
     60};
     61
     62/*
     63 * One HPRE controller has one PF and multiple VFs, some global configurations
     64 * which PF has need this structure.
     65 * Just relevant for PF.
     66 */
     67struct hpre_debug {
     68	struct hpre_dfx dfx[HPRE_DFX_FILE_NUM];
     69	struct hpre_debugfs_file files[HPRE_DEBUGFS_FILE_NUM];
     70};
     71
     72struct hpre {
     73	struct hisi_qm qm;
     74	struct hpre_debug debug;
     75	unsigned long status;
     76};
     77
     78enum hpre_alg_type {
     79	HPRE_ALG_NC_NCRT = 0x0,
     80	HPRE_ALG_NC_CRT = 0x1,
     81	HPRE_ALG_KG_STD = 0x2,
     82	HPRE_ALG_KG_CRT = 0x3,
     83	HPRE_ALG_DH_G2 = 0x4,
     84	HPRE_ALG_DH = 0x5,
     85	HPRE_ALG_ECC_MUL = 0xD,
     86	/* shared by x25519 and x448, but x448 is not supported now */
     87	HPRE_ALG_CURVE25519_MUL = 0x10,
     88};
     89
     90struct hpre_sqe {
     91	__le32 dw0;
     92	__u8 task_len1;
     93	__u8 task_len2;
     94	__u8 mrttest_num;
     95	__u8 resv1;
     96	__le64 key;
     97	__le64 in;
     98	__le64 out;
     99	__le16 tag;
    100	__le16 resv2;
    101#define _HPRE_SQE_ALIGN_EXT	7
    102	__le32 rsvd1[_HPRE_SQE_ALIGN_EXT];
    103};
    104
    105struct hisi_qp *hpre_create_qp(u8 type);
    106int hpre_algs_register(struct hisi_qm *qm);
    107void hpre_algs_unregister(struct hisi_qm *qm);
    108
    109#endif