1 files changed, 72 insertions, 0 deletions
diff --git a/drivers/staging/ccree/ssi_ivgen.h b/drivers/staging/ccree/ssi_ivgen.h
new file mode 100644
index 0000000..bc69cd8
--- /dev/null
+++ b/drivers/staging/ccree/ssi_ivgen.h
@@ -0,0 +1,72 @@
+/*
+ * Copyright (C) 2012-2017 ARM Limited or its affiliates.
+ * 
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ * 
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef __SSI_IVGEN_H__
+#define __SSI_IVGEN_H__
+
+#include "cc_hw_queue_defs.h"
+
+
+#define SSI_IVPOOL_SEQ_LEN 8
+
+/*!
+ * Allocates iv-pool and maps resources. 
+ * This function generates the first IV pool.  
+ * 
+ * \param drvdata Driver's private context
+ * 
+ * \return int Zero for success, negative value otherwise.
+ */
+int ssi_ivgen_init(struct ssi_drvdata *drvdata);
+
+/*!
+ * Free iv-pool and ivgen context.
+ *  
+ * \param drvdata 
+ */
+void ssi_ivgen_fini(struct ssi_drvdata *drvdata);
+
+/*!
+ * Generates the initial pool in SRAM. 
+ * This function should be invoked when resuming DX driver. 
+ * 
+ * \param drvdata 
+ *  
+ * \return int Zero for success, negative value otherwise.
+ */
+int ssi_ivgen_init_sram_pool(struct ssi_drvdata *drvdata);
+
+/*!
+ * Acquires 16 Bytes IV from the iv-pool
+ * 
+ * \param drvdata Driver private context
+ * \param iv_out_dma Array of physical IV out addresses
+ * \param iv_out_dma_len Length of iv_out_dma array (additional elements of iv_out_dma array are ignore)
+ * \param iv_out_size May be 8 or 16 bytes long 
+ * \param iv_seq IN/OUT array to the descriptors sequence
+ * \param iv_seq_len IN/OUT pointer to the sequence length 
+ *  
+ * \return int Zero for success, negative value otherwise. 
+ */
+int ssi_ivgen_getiv(
+	struct ssi_drvdata *drvdata,
+	dma_addr_t iv_out_dma[],
+	unsigned int iv_out_dma_len,
+	unsigned int iv_out_size,
+	HwDesc_s iv_seq[],
+	unsigned int *iv_seq_len);
+
+#endif /*__SSI_IVGEN_H__*/