--- /dev/null
+/*-
+ * 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_NFIFO_CMD_H__
+#define __RTA_NFIFO_CMD_H__
+
+extern enum rta_sec_era rta_sec_era;
+
+static const uint32_t nfifo_src[][2] = {
+/*1*/ { IFIFO, NFIFOENTRY_STYPE_DFIFO },
+ { OFIFO, NFIFOENTRY_STYPE_OFIFO },
+ { PAD, NFIFOENTRY_STYPE_PAD },
+/*4*/ { MSGOUTSNOOP, NFIFOENTRY_STYPE_SNOOP | NFIFOENTRY_DEST_BOTH },
+/*5*/ { ALTSOURCE, NFIFOENTRY_STYPE_ALTSOURCE },
+ { OFIFO_SYNC, NFIFOENTRY_STYPE_OFIFO_SYNC },
+/*7*/ { MSGOUTSNOOP_ALT, NFIFOENTRY_STYPE_SNOOP_ALT | NFIFOENTRY_DEST_BOTH }
+};
+
+/*
+ * Allowed NFIFO LOAD sources for each SEC Era.
+ * Values represent the number of entries from nfifo_src[] that are supported.
+ */
+static const unsigned int nfifo_src_sz[] = {4, 5, 5, 5, 5, 5, 5, 7};
+
+static const uint32_t nfifo_data[][2] = {
+ { MSG, NFIFOENTRY_DTYPE_MSG },
+ { MSG1, NFIFOENTRY_DEST_CLASS1 | NFIFOENTRY_DTYPE_MSG },
+ { MSG2, NFIFOENTRY_DEST_CLASS2 | NFIFOENTRY_DTYPE_MSG },
+ { IV1, NFIFOENTRY_DEST_CLASS1 | NFIFOENTRY_DTYPE_IV },
+ { IV2, NFIFOENTRY_DEST_CLASS2 | NFIFOENTRY_DTYPE_IV },
+ { ICV1, NFIFOENTRY_DEST_CLASS1 | NFIFOENTRY_DTYPE_ICV },
+ { ICV2, NFIFOENTRY_DEST_CLASS2 | NFIFOENTRY_DTYPE_ICV },
+ { SAD1, NFIFOENTRY_DEST_CLASS1 | NFIFOENTRY_DTYPE_SAD },
+ { AAD1, NFIFOENTRY_DEST_CLASS1 | NFIFOENTRY_DTYPE_AAD },
+ { AAD2, NFIFOENTRY_DEST_CLASS2 | NFIFOENTRY_DTYPE_AAD },
+ { AFHA_SBOX, NFIFOENTRY_DEST_CLASS1 | NFIFOENTRY_DTYPE_SBOX },
+ { SKIP, NFIFOENTRY_DTYPE_SKIP },
+ { PKE, NFIFOENTRY_DEST_CLASS1 | NFIFOENTRY_DTYPE_PK_E },
+ { PKN, NFIFOENTRY_DEST_CLASS1 | NFIFOENTRY_DTYPE_PK_N },
+ { PKA, NFIFOENTRY_DEST_CLASS1 | NFIFOENTRY_DTYPE_PK_A },
+ { PKA0, NFIFOENTRY_DEST_CLASS1 | NFIFOENTRY_DTYPE_PK_A0 },
+ { PKA1, NFIFOENTRY_DEST_CLASS1 | NFIFOENTRY_DTYPE_PK_A1 },
+ { PKA2, NFIFOENTRY_DEST_CLASS1 | NFIFOENTRY_DTYPE_PK_A2 },
+ { PKA3, NFIFOENTRY_DEST_CLASS1 | NFIFOENTRY_DTYPE_PK_A3 },
+ { PKB, NFIFOENTRY_DEST_CLASS1 | NFIFOENTRY_DTYPE_PK_B },
+ { PKB0, NFIFOENTRY_DEST_CLASS1 | NFIFOENTRY_DTYPE_PK_B0 },
+ { PKB1, NFIFOENTRY_DEST_CLASS1 | NFIFOENTRY_DTYPE_PK_B1 },
+ { PKB2, NFIFOENTRY_DEST_CLASS1 | NFIFOENTRY_DTYPE_PK_B2 },
+ { PKB3, NFIFOENTRY_DEST_CLASS1 | NFIFOENTRY_DTYPE_PK_B3 },
+ { AB1, NFIFOENTRY_DEST_CLASS1 },
+ { AB2, NFIFOENTRY_DEST_CLASS2 },
+ { ABD, NFIFOENTRY_DEST_DECO }
+};
+
+static const uint32_t nfifo_flags[][2] = {
+/*1*/ { LAST1, NFIFOENTRY_LC1 },
+ { LAST2, NFIFOENTRY_LC2 },
+ { FLUSH1, NFIFOENTRY_FC1 },
+ { BP, NFIFOENTRY_BND },
+ { PAD_ZERO, NFIFOENTRY_PTYPE_ZEROS },
+ { PAD_NONZERO, NFIFOENTRY_PTYPE_RND_NOZEROS },
+ { PAD_INCREMENT, NFIFOENTRY_PTYPE_INCREMENT },
+ { PAD_RANDOM, NFIFOENTRY_PTYPE_RND },
+ { PAD_ZERO_N1, NFIFOENTRY_PTYPE_ZEROS_NZ },
+ { PAD_NONZERO_0, NFIFOENTRY_PTYPE_RND_NZ_LZ },
+ { PAD_N1, NFIFOENTRY_PTYPE_N },
+/*12*/ { PAD_NONZERO_N, NFIFOENTRY_PTYPE_RND_NZ_N },
+ { FLUSH2, NFIFOENTRY_FC2 },
+ { OC, NFIFOENTRY_OC }
+};
+
+/*
+ * Allowed NFIFO LOAD flags for each SEC Era.
+ * Values represent the number of entries from nfifo_flags[] that are supported.
+ */
+static const unsigned int nfifo_flags_sz[] = {12, 14, 14, 14, 14, 14, 14, 14};
+
+static const uint32_t nfifo_pad_flags[][2] = {
+ { BM, NFIFOENTRY_BM },
+ { PS, NFIFOENTRY_PS },
+ { PR, NFIFOENTRY_PR }
+};
+
+/*
+ * Allowed NFIFO LOAD pad flags for each SEC Era.
+ * Values represent the number of entries from nfifo_pad_flags[] that are
+ * supported.
+ */
+static const unsigned int nfifo_pad_flags_sz[] = {2, 2, 2, 2, 3, 3, 3, 3};
+
+static inline int
+rta_nfifo_load(struct program *program, uint32_t src,
+ uint32_t data, uint32_t length, uint32_t flags)
+{
+ uint32_t opcode = 0, val;
+ int ret = -EINVAL;
+ uint32_t load_cmd = CMD_LOAD | LDST_IMM | LDST_CLASS_IND_CCB |
+ LDST_SRCDST_WORD_INFO_FIFO;
+ unsigned int start_pc = program->current_pc;
+
+ if ((data == AFHA_SBOX) && (rta_sec_era == RTA_SEC_ERA_7)) {
+ pr_err("NFIFO: AFHA S-box not supported by SEC Era %d\n",
+ USER_SEC_ERA(rta_sec_era));
+ goto err;
+ }
+
+ /* write source field */
+ ret = __rta_map_opcode(src, nfifo_src, nfifo_src_sz[rta_sec_era], &val);
+ if (ret < 0) {
+ pr_err("NFIFO: Invalid SRC. SEC PC: %d; Instr: %d\n",
+ program->current_pc, program->current_instruction);
+ goto err;
+ }
+ opcode |= val;
+
+ /* write type field */
+ ret = __rta_map_opcode(data, nfifo_data, ARRAY_SIZE(nfifo_data), &val);
+ if (ret < 0) {
+ pr_err("NFIFO: Invalid data. SEC PC: %d; Instr: %d\n",
+ program->current_pc, program->current_instruction);
+ goto err;
+ }
+ opcode |= val;
+
+ /* write DL field */
+ if (!(flags & EXT)) {
+ opcode |= length & NFIFOENTRY_DLEN_MASK;
+ load_cmd |= 4;
+ } else {
+ load_cmd |= 8;
+ }
+
+ /* write flags */
+ __rta_map_flags(flags, nfifo_flags, nfifo_flags_sz[rta_sec_era],
+ &opcode);
+
+ /* in case of padding, check the destination */
+ if (src == PAD)
+ __rta_map_flags(flags, nfifo_pad_flags,
+ nfifo_pad_flags_sz[rta_sec_era], &opcode);
+
+ /* write LOAD command first */
+ __rta_out32(program, load_cmd);
+ __rta_out32(program, opcode);
+
+ if (flags & EXT)
+ __rta_out32(program, length & NFIFOENTRY_DLEN_MASK);
+
+ program->current_instruction++;
+
+ return (int)start_pc;
+
+ err:
+ program->first_error_pc = start_pc;
+ program->current_instruction++;
+ return ret;
+}
+
+#endif /* __RTA_NFIFO_CMD_H__ */
Code Review / deb_dpdk.git / blobdiff