Imported Upstream version 17.05

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

1 files changed, 207 insertions, 0 deletions

diff --git a/drivers/crypto/dpaa2_sec/hw/rta/jump_cmd.h b/drivers/crypto/dpaa2_sec/hw/rta/jump_cmd.h
new file mode 100644
index 00000000..2c85beec
--- /dev/null
+++ b/drivers/crypto/dpaa2_sec/hw/rta/jump_cmd.h
@@ -0,0 +1,207 @@
+/*-
+ * 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_JUMP_CMD_H__
+#define __RTA_JUMP_CMD_H__
+
+extern enum rta_sec_era rta_sec_era;
+
+static const uint32_t jump_test_cond[][2] = {
+	{ NIFP,     JUMP_COND_NIFP },
+	{ NIP,      JUMP_COND_NIP },
+	{ NOP,      JUMP_COND_NOP },
+	{ NCP,      JUMP_COND_NCP },
+	{ CALM,     JUMP_COND_CALM },
+	{ SELF,     JUMP_COND_SELF },
+	{ SHRD,     JUMP_COND_SHRD },
+	{ JQP,      JUMP_COND_JQP },
+	{ MATH_Z,   JUMP_COND_MATH_Z },
+	{ MATH_N,   JUMP_COND_MATH_N },
+	{ MATH_NV,  JUMP_COND_MATH_NV },
+	{ MATH_C,   JUMP_COND_MATH_C },
+	{ PK_0,     JUMP_COND_PK_0 },
+	{ PK_GCD_1, JUMP_COND_PK_GCD_1 },
+	{ PK_PRIME, JUMP_COND_PK_PRIME },
+	{ CLASS1,   JUMP_CLASS_CLASS1 },
+	{ CLASS2,   JUMP_CLASS_CLASS2 },
+	{ BOTH,     JUMP_CLASS_BOTH }
+};
+
+static const uint32_t jump_test_math_cond[][2] = {
+	{ MATH_Z,   JUMP_COND_MATH_Z },
+	{ MATH_N,   JUMP_COND_MATH_N },
+	{ MATH_NV,  JUMP_COND_MATH_NV },
+	{ MATH_C,   JUMP_COND_MATH_C }
+};
+
+static const uint32_t jump_src_dst[][2] = {
+	{ MATH0,     JUMP_SRC_DST_MATH0 },
+	{ MATH1,     JUMP_SRC_DST_MATH1 },
+	{ MATH2,     JUMP_SRC_DST_MATH2 },
+	{ MATH3,     JUMP_SRC_DST_MATH3 },
+	{ DPOVRD,    JUMP_SRC_DST_DPOVRD },
+	{ SEQINSZ,   JUMP_SRC_DST_SEQINLEN },
+	{ SEQOUTSZ,  JUMP_SRC_DST_SEQOUTLEN },
+	{ VSEQINSZ,  JUMP_SRC_DST_VARSEQINLEN },
+	{ VSEQOUTSZ, JUMP_SRC_DST_VARSEQOUTLEN }
+};
+
+static inline int
+rta_jump(struct program *program, uint64_t address,
+	 enum rta_jump_type jump_type,
+	 enum rta_jump_cond test_type,
+	 uint32_t test_condition, uint32_t src_dst)
+{
+	uint32_t opcode = CMD_JUMP;
+	unsigned int start_pc = program->current_pc;
+	int ret = -EINVAL;
+
+	if (((jump_type == GOSUB) || (jump_type == RETURN)) &&
+	    (rta_sec_era < RTA_SEC_ERA_4)) {
+		pr_err("JUMP: Jump type not supported by SEC Era %d\n",
+		       USER_SEC_ERA(rta_sec_era));
+		goto err;
+	}
+
+	if (((jump_type == LOCAL_JUMP_INC) || (jump_type == LOCAL_JUMP_DEC)) &&
+	    (rta_sec_era <= RTA_SEC_ERA_5)) {
+		pr_err("JUMP_INCDEC: Jump type not supported by SEC Era %d\n",
+		       USER_SEC_ERA(rta_sec_era));
+		goto err;
+	}
+
+	switch (jump_type) {
+	case (LOCAL_JUMP):
+		/*
+		 * opcode |= JUMP_TYPE_LOCAL;
+		 * JUMP_TYPE_LOCAL is 0
+		 */
+		break;
+	case (HALT):
+		opcode |= JUMP_TYPE_HALT;
+		break;
+	case (HALT_STATUS):
+		opcode |= JUMP_TYPE_HALT_USER;
+		break;
+	case (FAR_JUMP):
+		opcode |= JUMP_TYPE_NONLOCAL;
+		break;
+	case (GOSUB):
+		opcode |= JUMP_TYPE_GOSUB;
+		break;
+	case (RETURN):
+		opcode |= JUMP_TYPE_RETURN;
+		break;
+	case (LOCAL_JUMP_INC):
+		opcode |= JUMP_TYPE_LOCAL_INC;
+		break;
+	case (LOCAL_JUMP_DEC):
+		opcode |= JUMP_TYPE_LOCAL_DEC;
+		break;
+	default:
+		pr_err("JUMP: Invalid jump type. SEC Program Line: %d\n",
+		       program->current_pc);
+		goto err;
+	}
+
+	switch (test_type) {
+	case (ALL_TRUE):
+		/*
+		 * opcode |= JUMP_TEST_ALL;
+		 * JUMP_TEST_ALL is 0
+		 */
+		break;
+	case (ALL_FALSE):
+		opcode |= JUMP_TEST_INVALL;
+		break;
+	case (ANY_TRUE):
+		opcode |= JUMP_TEST_ANY;
+		break;
+	case (ANY_FALSE):
+		opcode |= JUMP_TEST_INVANY;
+		break;
+	default:
+		pr_err("JUMP: test type not supported. SEC Program Line: %d\n",
+		       program->current_pc);
+		goto err;
+	}
+
+	/* write test condition field */
+	if ((jump_type != LOCAL_JUMP_INC) && (jump_type != LOCAL_JUMP_DEC)) {
+		__rta_map_flags(test_condition, jump_test_cond,
+				ARRAY_SIZE(jump_test_cond), &opcode);
+	} else {
+		uint32_t val = 0;
+
+		ret = __rta_map_opcode(src_dst, jump_src_dst,
+				       ARRAY_SIZE(jump_src_dst), &val);
+		if (ret < 0) {
+			pr_err("JUMP_INCDEC: SRC_DST not supported. SEC PC: %d; Instr: %d\n",
+			       program->current_pc,
+			       program->current_instruction);
+			goto err;
+		}
+		opcode |= val;
+
+		__rta_map_flags(test_condition, jump_test_math_cond,
+				ARRAY_SIZE(jump_test_math_cond), &opcode);
+	}
+
+	/* write local offset field for local jumps and user-defined halt */
+	if ((jump_type == LOCAL_JUMP) || (jump_type == LOCAL_JUMP_INC) ||
+	    (jump_type == LOCAL_JUMP_DEC) || (jump_type == GOSUB) ||
+	    (jump_type == HALT_STATUS))
+		opcode |= (uint32_t)(address & JUMP_OFFSET_MASK);
+
+	__rta_out32(program, opcode);
+	program->current_instruction++;
+
+	if (jump_type == FAR_JUMP)
+		__rta_out64(program, program->ps, address);
+
+	return (int)start_pc;
+
+ err:
+	program->first_error_pc = start_pc;
+	program->current_instruction++;
+	return ret;
+}
+
+#endif /* __RTA_JUMP_CMD_H__ */