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path: root/drivers/crypto/hisilicon/hpre/hpre.h
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Diffstat (limited to 'drivers/crypto/hisilicon/hpre/hpre.h')
-rw-r--r--drivers/crypto/hisilicon/hpre/hpre.h83
1 files changed, 83 insertions, 0 deletions
diff --git a/drivers/crypto/hisilicon/hpre/hpre.h b/drivers/crypto/hisilicon/hpre/hpre.h
new file mode 100644
index 000000000000..ddf13ea9862a
--- /dev/null
+++ b/drivers/crypto/hisilicon/hpre/hpre.h
@@ -0,0 +1,83 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright (c) 2019 HiSilicon Limited. */
+#ifndef __HISI_HPRE_H
+#define __HISI_HPRE_H
+
+#include <linux/list.h>
+#include "../qm.h"
+
+#define HPRE_SQE_SIZE sizeof(struct hpre_sqe)
+#define HPRE_PF_DEF_Q_NUM 64
+#define HPRE_PF_DEF_Q_BASE 0
+
+enum {
+ HPRE_CLUSTER0,
+ HPRE_CLUSTER1,
+ HPRE_CLUSTER2,
+ HPRE_CLUSTER3,
+ HPRE_CLUSTERS_NUM,
+};
+
+enum hpre_ctrl_dbgfs_file {
+ HPRE_CURRENT_QM,
+ HPRE_CLEAR_ENABLE,
+ HPRE_CLUSTER_CTRL,
+ HPRE_DEBUG_FILE_NUM,
+};
+
+#define HPRE_DEBUGFS_FILE_NUM (HPRE_DEBUG_FILE_NUM + HPRE_CLUSTERS_NUM - 1)
+
+struct hpre_debugfs_file {
+ int index;
+ enum hpre_ctrl_dbgfs_file type;
+ spinlock_t lock;
+ struct hpre_debug *debug;
+};
+
+/*
+ * One HPRE controller has one PF and multiple VFs, some global configurations
+ * which PF has need this structure.
+ * Just relevant for PF.
+ */
+struct hpre_debug {
+ struct dentry *debug_root;
+ struct hpre_debugfs_file files[HPRE_DEBUGFS_FILE_NUM];
+};
+
+struct hpre {
+ struct hisi_qm qm;
+ struct list_head list;
+ struct hpre_debug debug;
+ u32 num_vfs;
+ unsigned long status;
+};
+
+enum hpre_alg_type {
+ HPRE_ALG_NC_NCRT = 0x0,
+ HPRE_ALG_NC_CRT = 0x1,
+ HPRE_ALG_KG_STD = 0x2,
+ HPRE_ALG_KG_CRT = 0x3,
+ HPRE_ALG_DH_G2 = 0x4,
+ HPRE_ALG_DH = 0x5,
+};
+
+struct hpre_sqe {
+ __le32 dw0;
+ __u8 task_len1;
+ __u8 task_len2;
+ __u8 mrttest_num;
+ __u8 resv1;
+ __le64 key;
+ __le64 in;
+ __le64 out;
+ __le16 tag;
+ __le16 resv2;
+#define _HPRE_SQE_ALIGN_EXT 7
+ __le32 rsvd1[_HPRE_SQE_ALIGN_EXT];
+};
+
+struct hpre *hpre_find_device(int node);
+int hpre_algs_register(void);
+void hpre_algs_unregister(void);
+
+#endif