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/*-
* 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_HEADER_CMD_H__
#define __RTA_HEADER_CMD_H__
extern enum rta_sec_era rta_sec_era;
/* Allowed job header flags for each SEC Era. */
static const uint32_t job_header_flags[] = {
DNR | TD | MTD | SHR | REO,
DNR | TD | MTD | SHR | REO | RSMS,
DNR | TD | MTD | SHR | REO | RSMS,
DNR | TD | MTD | SHR | REO | RSMS,
DNR | TD | MTD | SHR | REO | RSMS | EXT,
DNR | TD | MTD | SHR | REO | RSMS | EXT,
DNR | TD | MTD | SHR | REO | RSMS | EXT,
DNR | TD | MTD | SHR | REO | EXT
};
/* Allowed shared header flags for each SEC Era. */
static const uint32_t shr_header_flags[] = {
DNR | SC | PD,
DNR | SC | PD | CIF,
DNR | SC | PD | CIF,
DNR | SC | PD | CIF | RIF,
DNR | SC | PD | CIF | RIF,
DNR | SC | PD | CIF | RIF,
DNR | SC | PD | CIF | RIF,
DNR | SC | PD | CIF | RIF
};
static inline int
rta_shr_header(struct program *program,
enum rta_share_type share,
unsigned int start_idx,
uint32_t flags)
{
uint32_t opcode = CMD_SHARED_DESC_HDR;
unsigned int start_pc = program->current_pc;
if (flags & ~shr_header_flags[rta_sec_era]) {
pr_err("SHR_DESC: Flag(s) not supported by SEC Era %d\n",
USER_SEC_ERA(rta_sec_era));
goto err;
}
switch (share) {
case SHR_ALWAYS:
opcode |= HDR_SHARE_ALWAYS;
break;
case SHR_SERIAL:
opcode |= HDR_SHARE_SERIAL;
break;
case SHR_NEVER:
/*
* opcode |= HDR_SHARE_NEVER;
* HDR_SHARE_NEVER is 0
*/
break;
case SHR_WAIT:
opcode |= HDR_SHARE_WAIT;
break;
default:
pr_err("SHR_DESC: SHARE VALUE is not supported. SEC Program Line: %d\n",
program->current_pc);
goto err;
}
opcode |= HDR_ONE;
opcode |= (start_idx << HDR_START_IDX_SHIFT) & HDR_START_IDX_MASK;
if (flags & DNR)
opcode |= HDR_DNR;
if (flags & CIF)
opcode |= HDR_CLEAR_IFIFO;
if (flags & SC)
opcode |= HDR_SAVECTX;
if (flags & PD)
opcode |= HDR_PROP_DNR;
if (flags & RIF)
opcode |= HDR_RIF;
__rta_out32(program, opcode);
program->current_instruction++;
if (program->current_instruction == 1)
program->shrhdr = program->buffer;
return (int)start_pc;
err:
program->first_error_pc = start_pc;
program->current_instruction++;
return -EINVAL;
}
static inline int
rta_job_header(struct program *program,
enum rta_share_type share,
unsigned int start_idx,
uint64_t shr_desc, uint32_t flags,
uint32_t ext_flags)
{
uint32_t opcode = CMD_DESC_HDR;
uint32_t hdr_ext = 0;
unsigned int start_pc = program->current_pc;
if (flags & ~job_header_flags[rta_sec_era]) {
pr_err("JOB_DESC: Flag(s) not supported by SEC Era %d\n",
USER_SEC_ERA(rta_sec_era));
goto err;
}
switch (share) {
case SHR_ALWAYS:
opcode |= HDR_SHARE_ALWAYS;
break;
case SHR_SERIAL:
opcode |= HDR_SHARE_SERIAL;
break;
case SHR_NEVER:
/*
* opcode |= HDR_SHARE_NEVER;
* HDR_SHARE_NEVER is 0
*/
break;
case SHR_WAIT:
opcode |= HDR_SHARE_WAIT;
break;
case SHR_DEFER:
opcode |= HDR_SHARE_DEFER;
break;
default:
pr_err("JOB_DESC: SHARE VALUE is not supported. SEC Program Line: %d\n",
program->current_pc);
goto err;
}
if ((flags & TD) && (flags & REO)) {
pr_err("JOB_DESC: REO flag not supported for trusted descriptors. SEC Program Line: %d\n",
program->current_pc);
goto err;
}
if ((rta_sec_era < RTA_SEC_ERA_7) && (flags & MTD) && !(flags & TD)) {
pr_err("JOB_DESC: Trying to MTD a descriptor that is not a TD. SEC Program Line: %d\n",
program->current_pc);
goto err;
}
if ((flags & EXT) && !(flags & SHR) && (start_idx < 2)) {
pr_err("JOB_DESC: Start index must be >= 2 in case of no SHR and EXT. SEC Program Line: %d\n",
program->current_pc);
goto err;
}
opcode |= HDR_ONE;
opcode |= ((start_idx << HDR_START_IDX_SHIFT) & HDR_START_IDX_MASK);
if (flags & EXT) {
opcode |= HDR_EXT;
if (ext_flags & DSV) {
hdr_ext |= HDR_EXT_DSEL_VALID;
hdr_ext |= ext_flags & DSEL_MASK;
}
if (ext_flags & FTD) {
if (rta_sec_era <= RTA_SEC_ERA_5) {
pr_err("JOB_DESC: Fake trusted descriptor not supported by SEC Era %d\n",
USER_SEC_ERA(rta_sec_era));
goto err;
}
hdr_ext |= HDR_EXT_FTD;
}
}
if (flags & RSMS)
opcode |= HDR_RSLS;
if (flags & DNR)
opcode |= HDR_DNR;
if (flags & TD)
opcode |= HDR_TRUSTED;
if (flags & MTD)
opcode |= HDR_MAKE_TRUSTED;
if (flags & REO)
opcode |= HDR_REVERSE;
if (flags & SHR)
opcode |= HDR_SHARED;
__rta_out32(program, opcode);
program->current_instruction++;
if (program->current_instruction == 1) {
program->jobhdr = program->buffer;
if (opcode & HDR_SHARED)
__rta_out64(program, program->ps, shr_desc);
}
if (flags & EXT)
__rta_out32(program, hdr_ext);
/* Note: descriptor length is set in program_finalize routine */
return (int)start_pc;
err:
program->first_error_pc = start_pc;
program->current_instruction++;
return -EINVAL;
}
#endif /* __RTA_HEADER_CMD_H__ */
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