162 lines
3.5 KiB
C
162 lines
3.5 KiB
C
/*
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* Copyright © 2017 Advanced Micro Devices, Inc.
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* All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is 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
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* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*
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*/
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#include <ctype.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <stdint.h>
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#include <string.h>
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#include <unistd.h>
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#include <errno.h>
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#include "xf86drm.h"
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#include "amdgpu_drm.h"
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#include "amdgpu_internal.h"
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static int parse_one_line(struct amdgpu_device *dev, const char *line)
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{
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char *buf, *saveptr;
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char *s_did;
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uint32_t did;
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char *s_rid;
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uint32_t rid;
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char *s_name;
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char *endptr;
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int r = -EINVAL;
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/* ignore empty line and commented line */
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if (strlen(line) == 0 || line[0] == '#')
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return -EAGAIN;
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buf = strdup(line);
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if (!buf)
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return -ENOMEM;
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/* device id */
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s_did = strtok_r(buf, ",", &saveptr);
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if (!s_did)
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goto out;
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did = strtol(s_did, &endptr, 16);
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if (*endptr)
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goto out;
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if (did != dev->info.asic_id) {
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r = -EAGAIN;
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goto out;
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}
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/* revision id */
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s_rid = strtok_r(NULL, ",", &saveptr);
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if (!s_rid)
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goto out;
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rid = strtol(s_rid, &endptr, 16);
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if (*endptr)
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goto out;
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if (rid != dev->info.pci_rev_id) {
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r = -EAGAIN;
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goto out;
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}
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/* marketing name */
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s_name = strtok_r(NULL, ",", &saveptr);
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if (!s_name)
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goto out;
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/* trim leading whitespaces or tabs */
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while (isblank(*s_name))
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s_name++;
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if (strlen(s_name) == 0)
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goto out;
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dev->marketing_name = strdup(s_name);
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if (dev->marketing_name)
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r = 0;
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else
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r = -ENOMEM;
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out:
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free(buf);
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return r;
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}
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void amdgpu_parse_asic_ids(struct amdgpu_device *dev)
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{
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FILE *fp;
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char *line = NULL;
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size_t len = 0;
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ssize_t n;
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int line_num = 1;
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int r = 0;
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fp = fopen(AMDGPU_ASIC_ID_TABLE, "r");
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if (!fp) {
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fprintf(stderr, "%s: %s\n", AMDGPU_ASIC_ID_TABLE,
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strerror(errno));
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return;
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}
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/* 1st valid line is file version */
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while ((n = getline(&line, &len, fp)) != -1) {
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/* trim trailing newline */
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if (line[n - 1] == '\n')
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line[n - 1] = '\0';
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/* ignore empty line and commented line */
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if (strlen(line) == 0 || line[0] == '#') {
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line_num++;
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continue;
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}
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drmMsg("%s version: %s\n", AMDGPU_ASIC_ID_TABLE, line);
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break;
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}
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while ((n = getline(&line, &len, fp)) != -1) {
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/* trim trailing newline */
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if (line[n - 1] == '\n')
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line[n - 1] = '\0';
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r = parse_one_line(dev, line);
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if (r != -EAGAIN)
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break;
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line_num++;
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}
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if (r == -EINVAL) {
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fprintf(stderr, "Invalid format: %s: line %d: %s\n",
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AMDGPU_ASIC_ID_TABLE, line_num, line);
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} else if (r && r != -EAGAIN) {
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fprintf(stderr, "%s: Cannot parse ASIC IDs: %s\n",
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__func__, strerror(-r));
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}
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free(line);
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fclose(fp);
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}
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