Joe Narlo
3052ad4220
Change copyrights to MIT and remove date Signed-off-by: Joe Narlo <Joseph.Narlo@amd.com> Change-Id: I16f5b412f2b9ddefaaa1771aa714cc18829a1be4
108 lines
3.0 KiB
C++
108 lines
3.0 KiB
C++
/*
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* Copyright (c) Advanced Micro Devices, Inc. All rights reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include "amd_smi/amdsmi.h"
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#include "amd_smi/impl/amd_smi_uuid.h"
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#include <string.h>
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#include <cstdio>
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typedef struct uuid_s {
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union {
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struct {
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uint32_t did : 16;
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uint32_t fcn : 8;
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uint32_t asic_7 : 8;
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};
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uint32_t time_low;
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};
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uint32_t time_mid : 16;
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uint32_t time_high : 12;
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uint32_t version : 4;
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uint8_t clk_seq_hi : 6;
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uint8_t variant : 2;
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union {
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uint8_t clk_seq_low;
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uint8_t asic_6;
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};
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uint16_t asic_4;
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uint32_t asic_0;
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} uuid_t;
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static void print_uuid(char *str, uuid_t *uuid)
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{
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sprintf(str, "%08x", uuid->time_low);
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sprintf(str + 8, "-");
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sprintf(str + 9, "%04x", uuid->time_mid);
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sprintf(str + 13, "-");
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sprintf(str + 14, "%04x", (uuid->version << 12) | uuid->time_high);
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sprintf(str + 18, "-");
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sprintf(str + 14 + 5, "%02x", (uuid->variant << 6) | uuid->clk_seq_hi);
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sprintf(str + 16 + 5, "%02x", uuid->clk_seq_low);
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sprintf(str + 18 + 5, "-");
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sprintf(str + 19 + 5, "%04x", uuid->asic_4);
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sprintf(str + 23 + 5, "%08x", uuid->asic_0);
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str[31 + 5] = 0;
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}
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static void insert_asic_serial(uuid_t *uuid, uint64_t serial)
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{
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uuid->asic_0 = (uint32_t)serial;
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uuid->asic_4 = (uint16_t)(serial >> 4 * 8) & 0xFFFF;
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uuid->asic_6 = (uint8_t)(serial >> 6 * 8) & 0xFF;
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uuid->asic_7 = (uint32_t)(serial >> 7 * 8) & 0xFF;
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}
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static void insert_did(uuid_t *uuid, uint16_t did)
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{
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uuid->did = did;
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}
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static void insert_fcn(uuid_t *uuid, uint8_t fcn_idx)
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{
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uuid->fcn = fcn_idx;
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}
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static void insert_clk_seq(uuid_t *uuid, uint16_t seq)
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{
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uuid->clk_seq_low = (uint8_t)seq;
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uuid->clk_seq_hi = (seq >> 8) & 0x3fU;
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}
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amdsmi_status_t amdsmi_uuid_gen(char *str, uint64_t serial, uint16_t did, uint8_t idx)
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{
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uuid_t uuid;
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memset(&uuid, 0, sizeof(uuid_t));
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insert_clk_seq(&uuid, 0);
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insert_did(&uuid, did);
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insert_fcn(&uuid, idx);
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insert_asic_serial(&uuid, serial);
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uuid.version = 1;
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uuid.variant = 2;
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print_uuid(str, &uuid);
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return AMDSMI_STATUS_SUCCESS;
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}
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