diff options
Diffstat (limited to 'drivers/crypto/dpaa2_sec/hw/rta/store_cmd.h')
| -rw-r--r-- | drivers/crypto/dpaa2_sec/hw/rta/store_cmd.h | 185 |
1 files changed, 185 insertions, 0 deletions
diff --git a/drivers/crypto/dpaa2_sec/hw/rta/store_cmd.h b/drivers/crypto/dpaa2_sec/hw/rta/store_cmd.h new file mode 100644 index 00000000..8fd01801 --- /dev/null +++ b/drivers/crypto/dpaa2_sec/hw/rta/store_cmd.h @@ -0,0 +1,185 @@ +/*- + * 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_STORE_CMD_H__ +#define __RTA_STORE_CMD_H__ + +extern enum rta_sec_era rta_sec_era; + +static const uint32_t store_src_table[][2] = { +/*1*/ { KEY1SZ, LDST_CLASS_1_CCB | LDST_SRCDST_WORD_KEYSZ_REG }, + { KEY2SZ, LDST_CLASS_2_CCB | LDST_SRCDST_WORD_KEYSZ_REG }, + { DJQDA, LDST_CLASS_DECO | LDST_SRCDST_WORD_DECO_JQDAR }, + { MODE1, LDST_CLASS_1_CCB | LDST_SRCDST_WORD_MODE_REG }, + { MODE2, LDST_CLASS_2_CCB | LDST_SRCDST_WORD_MODE_REG }, + { DJQCTRL, LDST_CLASS_DECO | LDST_SRCDST_WORD_DECO_JQCTRL }, + { DATA1SZ, LDST_CLASS_1_CCB | LDST_SRCDST_WORD_DATASZ_REG }, + { DATA2SZ, LDST_CLASS_2_CCB | LDST_SRCDST_WORD_DATASZ_REG }, + { DSTAT, LDST_CLASS_DECO | LDST_SRCDST_WORD_DECO_STAT }, + { ICV1SZ, LDST_CLASS_1_CCB | LDST_SRCDST_WORD_ICVSZ_REG }, + { ICV2SZ, LDST_CLASS_2_CCB | LDST_SRCDST_WORD_ICVSZ_REG }, + { DPID, LDST_CLASS_DECO | LDST_SRCDST_WORD_PID }, + { CCTRL, LDST_SRCDST_WORD_CHACTRL }, + { ICTRL, LDST_SRCDST_WORD_IRQCTRL }, + { CLRW, LDST_SRCDST_WORD_CLRW }, + { MATH0, LDST_CLASS_DECO | LDST_SRCDST_WORD_DECO_MATH0 }, + { CSTAT, LDST_SRCDST_WORD_STAT }, + { MATH1, LDST_CLASS_DECO | LDST_SRCDST_WORD_DECO_MATH1 }, + { MATH2, LDST_CLASS_DECO | LDST_SRCDST_WORD_DECO_MATH2 }, + { AAD1SZ, LDST_CLASS_1_CCB | LDST_SRCDST_WORD_DECO_AAD_SZ }, + { MATH3, LDST_CLASS_DECO | LDST_SRCDST_WORD_DECO_MATH3 }, + { IV1SZ, LDST_CLASS_1_CCB | LDST_SRCDST_WORD_CLASS1_IV_SZ }, + { PKASZ, LDST_CLASS_1_CCB | LDST_SRCDST_WORD_PKHA_A_SZ }, + { PKBSZ, LDST_CLASS_1_CCB | LDST_SRCDST_WORD_PKHA_B_SZ }, + { PKESZ, LDST_CLASS_1_CCB | LDST_SRCDST_WORD_PKHA_E_SZ }, + { PKNSZ, LDST_CLASS_1_CCB | LDST_SRCDST_WORD_PKHA_N_SZ }, + { CONTEXT1, LDST_CLASS_1_CCB | LDST_SRCDST_BYTE_CONTEXT }, + { CONTEXT2, LDST_CLASS_2_CCB | LDST_SRCDST_BYTE_CONTEXT }, + { DESCBUF, LDST_CLASS_DECO | LDST_SRCDST_WORD_DESCBUF }, +/*30*/ { JOBDESCBUF, LDST_CLASS_DECO | LDST_SRCDST_WORD_DESCBUF_JOB }, + { SHAREDESCBUF, LDST_CLASS_DECO | LDST_SRCDST_WORD_DESCBUF_SHARED }, +/*32*/ { JOBDESCBUF_EFF, LDST_CLASS_DECO | + LDST_SRCDST_WORD_DESCBUF_JOB_WE }, + { SHAREDESCBUF_EFF, LDST_CLASS_DECO | + LDST_SRCDST_WORD_DESCBUF_SHARED_WE }, +/*34*/ { GTR, LDST_CLASS_DECO | LDST_SRCDST_WORD_GTR }, + { STR, LDST_CLASS_DECO | LDST_SRCDST_WORD_STR } +}; + +/* + * Allowed STORE sources for each SEC ERA. + * Values represent the number of entries from source_src_table[] that are + * supported. + */ +static const unsigned int store_src_table_sz[] = {29, 31, 33, 33, + 33, 33, 35, 35}; + +static inline int +rta_store(struct program *program, uint64_t src, + uint16_t offset, uint64_t dst, uint32_t length, + uint32_t flags) +{ + uint32_t opcode = 0, val; + int ret = -EINVAL; + unsigned int start_pc = program->current_pc; + + if (flags & SEQ) + opcode = CMD_SEQ_STORE; + else + opcode = CMD_STORE; + + /* parameters check */ + if ((flags & IMMED) && (flags & SGF)) { + pr_err("STORE: Invalid flag. SEC PC: %d; Instr: %d\n", + program->current_pc, program->current_instruction); + goto err; + } + if ((flags & IMMED) && (offset != 0)) { + pr_err("STORE: Invalid flag. SEC PC: %d; Instr: %d\n", + program->current_pc, program->current_instruction); + goto err; + } + + if ((flags & SEQ) && ((src == JOBDESCBUF) || (src == SHAREDESCBUF) || + (src == JOBDESCBUF_EFF) || + (src == SHAREDESCBUF_EFF))) { + pr_err("STORE: Invalid SRC type. SEC PC: %d; Instr: %d\n", + program->current_pc, program->current_instruction); + goto err; + } + + if (flags & IMMED) + opcode |= LDST_IMM; + + if ((flags & SGF) || (flags & VLF)) + opcode |= LDST_VLF; + + /* + * source for data to be stored can be specified as: + * - register location; set in src field[9-15]; + * - if IMMED flag is set, data is set in value field [0-31]; + * user can give this value as actual value or pointer to data + */ + if (!(flags & IMMED)) { + ret = __rta_map_opcode((uint32_t)src, store_src_table, + store_src_table_sz[rta_sec_era], &val); + if (ret < 0) { + pr_err("STORE: Invalid source. SEC PC: %d; Instr: %d\n", + program->current_pc, + program->current_instruction); + goto err; + } + opcode |= val; + } + + /* DESC BUFFER: length / offset values are specified in 4-byte words */ + if ((src == DESCBUF) || (src == JOBDESCBUF) || (src == SHAREDESCBUF) || + (src == JOBDESCBUF_EFF) || (src == SHAREDESCBUF_EFF)) { + opcode |= (length >> 2); + opcode |= (uint32_t)((offset >> 2) << LDST_OFFSET_SHIFT); + } else { + opcode |= length; + opcode |= (uint32_t)(offset << LDST_OFFSET_SHIFT); + } + + __rta_out32(program, opcode); + program->current_instruction++; + + if ((src == JOBDESCBUF) || (src == SHAREDESCBUF) || + (src == JOBDESCBUF_EFF) || (src == SHAREDESCBUF_EFF)) + return (int)start_pc; + + /* for STORE, a pointer to where the data will be stored if needed */ + if (!(flags & SEQ)) + __rta_out64(program, program->ps, dst); + + /* for IMMED data, place the data here */ + if (flags & IMMED) + __rta_inline_data(program, src, flags & __COPY_MASK, length); + + return (int)start_pc; + + err: + program->first_error_pc = start_pc; + program->current_instruction++; + return ret; +} + +#endif /* __RTA_STORE_CMD_H__ */ |