Imported Upstream version 17.05

Change-Id: Id1e419c5a214e4a18739663b91f0f9a549f1fdc6
Signed-off-by: Christian Ehrhardt <christian.ehrhardt@canonical.com>

1 files changed, 208 insertions, 0 deletions

diff --git a/drivers/crypto/dpaa2_sec/hw/rta/seq_in_out_ptr_cmd.h b/drivers/crypto/dpaa2_sec/hw/rta/seq_in_out_ptr_cmd.h
new file mode 100644
index 00000000..8d421a5d
--- /dev/null
+++ b/drivers/crypto/dpaa2_sec/hw/rta/seq_in_out_ptr_cmd.h
@@ -0,0 +1,208 @@
+/*-
+ * This file is provided under a dual BSD/GPLv2 license. When using or
+ * redistributing this file, you may do so under either license.
+ *
+ *   BSD LICENSE
+ *
+ * Copyright 2008-2016 Freescale Semiconductor Inc.
+ * Copyright (c) 2016 NXP.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * * Neither the name of the above-listed copyright holders nor the
+ * names of any contributors may be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ *   GPL LICENSE SUMMARY
+ *
+ * ALTERNATIVELY, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") as published by the Free Software
+ * Foundation, either version 2 of that License or (at your option) any
+ * later version.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef __RTA_SEQ_IN_OUT_PTR_CMD_H__
+#define __RTA_SEQ_IN_OUT_PTR_CMD_H__
+
+extern enum rta_sec_era rta_sec_era;
+
+/* Allowed SEQ IN PTR flags for each SEC Era. */
+static const uint32_t seq_in_ptr_flags[] = {
+	RBS | INL | SGF | PRE | EXT | RTO,
+	RBS | INL | SGF | PRE | EXT | RTO | RJD,
+	RBS | INL | SGF | PRE | EXT | RTO | RJD,
+	RBS | INL | SGF | PRE | EXT | RTO | RJD,
+	RBS | INL | SGF | PRE | EXT | RTO | RJD | SOP,
+	RBS | INL | SGF | PRE | EXT | RTO | RJD | SOP,
+	RBS | INL | SGF | PRE | EXT | RTO | RJD | SOP,
+	RBS | INL | SGF | PRE | EXT | RTO | RJD | SOP
+};
+
+/* Allowed SEQ OUT PTR flags for each SEC Era. */
+static const uint32_t seq_out_ptr_flags[] = {
+	SGF | PRE | EXT,
+	SGF | PRE | EXT | RTO,
+	SGF | PRE | EXT | RTO,
+	SGF | PRE | EXT | RTO,
+	SGF | PRE | EXT | RTO | RST | EWS,
+	SGF | PRE | EXT | RTO | RST | EWS,
+	SGF | PRE | EXT | RTO | RST | EWS,
+	SGF | PRE | EXT | RTO | RST | EWS
+};
+
+static inline int
+rta_seq_in_ptr(struct program *program, uint64_t src,
+	       uint32_t length, uint32_t flags)
+{
+	uint32_t opcode = CMD_SEQ_IN_PTR;
+	unsigned int start_pc = program->current_pc;
+	int ret = -EINVAL;
+
+	/* Parameters checking */
+	if ((flags & RTO) && (flags & PRE)) {
+		pr_err("SEQ IN PTR: Invalid usage of RTO and PRE flags\n");
+		goto err;
+	}
+	if (flags & ~seq_in_ptr_flags[rta_sec_era]) {
+		pr_err("SEQ IN PTR: Flag(s) not supported by SEC Era %d\n",
+		       USER_SEC_ERA(rta_sec_era));
+		goto err;
+	}
+	if ((flags & INL) && (flags & RJD)) {
+		pr_err("SEQ IN PTR: Invalid usage of INL and RJD flags\n");
+		goto err;
+	}
+	if ((src) && (flags & (SOP | RTO | PRE))) {
+		pr_err("SEQ IN PTR: Invalid usage of RTO or PRE flag\n");
+		goto err;
+	}
+	if ((flags & SOP) && (flags & (RBS | PRE | RTO | EXT))) {
+		pr_err("SEQ IN PTR: Invalid usage of SOP and (RBS or PRE or RTO or EXT) flags\n");
+		goto err;
+	}
+
+	/* write flag fields */
+	if (flags & RBS)
+		opcode |= SQIN_RBS;
+	if (flags & INL)
+		opcode |= SQIN_INL;
+	if (flags & SGF)
+		opcode |= SQIN_SGF;
+	if (flags & PRE)
+		opcode |= SQIN_PRE;
+	if (flags & RTO)
+		opcode |= SQIN_RTO;
+	if (flags & RJD)
+		opcode |= SQIN_RJD;
+	if (flags & SOP)
+		opcode |= SQIN_SOP;
+	if ((length >> 16) || (flags & EXT)) {
+		if (flags & SOP) {
+			pr_err("SEQ IN PTR: Invalid usage of SOP and EXT flags\n");
+			goto err;
+		}
+
+		opcode |= SQIN_EXT;
+	} else {
+		opcode |= length & SQIN_LEN_MASK;
+	}
+
+	__rta_out32(program, opcode);
+	program->current_instruction++;
+
+	/* write pointer or immediate data field */
+	if (!(opcode & (SQIN_PRE | SQIN_RTO | SQIN_SOP)))
+		__rta_out64(program, program->ps, src);
+
+	/* write extended length field */
+	if (opcode & SQIN_EXT)
+		__rta_out32(program, length);
+
+	return (int)start_pc;
+
+ err:
+	program->first_error_pc = start_pc;
+	program->current_instruction++;
+	return ret;
+}
+
+static inline int
+rta_seq_out_ptr(struct program *program, uint64_t dst,
+		uint32_t length, uint32_t flags)
+{
+	uint32_t opcode = CMD_SEQ_OUT_PTR;
+	unsigned int start_pc = program->current_pc;
+	int ret = -EINVAL;
+
+	/* Parameters checking */
+	if (flags & ~seq_out_ptr_flags[rta_sec_era]) {
+		pr_err("SEQ OUT PTR: Flag(s) not supported by SEC Era %d\n",
+		       USER_SEC_ERA(rta_sec_era));
+		goto err;
+	}
+	if ((flags & RTO) && (flags & PRE)) {
+		pr_err("SEQ OUT PTR: Invalid usage of RTO and PRE flags\n");
+		goto err;
+	}
+	if ((dst) && (flags & (RTO | PRE))) {
+		pr_err("SEQ OUT PTR: Invalid usage of RTO or PRE flag\n");
+		goto err;
+	}
+	if ((flags & RST) && !(flags & RTO)) {
+		pr_err("SEQ OUT PTR: RST flag must be used with RTO flag\n");
+		goto err;
+	}
+
+	/* write flag fields */
+	if (flags & SGF)
+		opcode |= SQOUT_SGF;
+	if (flags & PRE)
+		opcode |= SQOUT_PRE;
+	if (flags & RTO)
+		opcode |= SQOUT_RTO;
+	if (flags & RST)
+		opcode |= SQOUT_RST;
+	if (flags & EWS)
+		opcode |= SQOUT_EWS;
+	if ((length >> 16) || (flags & EXT))
+		opcode |= SQOUT_EXT;
+	else
+		opcode |= length & SQOUT_LEN_MASK;
+
+	__rta_out32(program, opcode);
+	program->current_instruction++;
+
+	/* write pointer or immediate data field */
+	if (!(opcode & (SQOUT_PRE | SQOUT_RTO)))
+		__rta_out64(program, program->ps, dst);
+
+	/* write extended length field */
+	if (opcode & SQOUT_EXT)
+		__rta_out32(program, length);
+
+	return (int)start_pc;
+
+ err:
+	program->first_error_pc = start_pc;
+	program->current_instruction++;
+	return ret;
+}
+
+#endif /* __RTA_SEQ_IN_OUT_PTR_CMD_H__ */