diff options
Diffstat (limited to 'amdgpu/amdgpu_asic_id.c')
| -rw-r--r-- | amdgpu/amdgpu_asic_id.c | 161 |
1 files changed, 161 insertions, 0 deletions
diff --git a/amdgpu/amdgpu_asic_id.c b/amdgpu/amdgpu_asic_id.c new file mode 100644 index 0000000..a5007ff --- /dev/null +++ b/amdgpu/amdgpu_asic_id.c @@ -0,0 +1,161 @@ +/* + * Copyright © 2017 Advanced Micro Devices, Inc. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + */ + +#include <ctype.h> +#include <stdio.h> +#include <stdlib.h> +#include <stdint.h> +#include <string.h> +#include <unistd.h> +#include <errno.h> + +#include "xf86drm.h" +#include "amdgpu_drm.h" +#include "amdgpu_internal.h" + +static int parse_one_line(struct amdgpu_device *dev, const char *line) +{ + char *buf, *saveptr; + char *s_did; + uint32_t did; + char *s_rid; + uint32_t rid; + char *s_name; + char *endptr; + int r = -EINVAL; + + /* ignore empty line and commented line */ + if (strlen(line) == 0 || line[0] == '#') + return -EAGAIN; + + buf = strdup(line); + if (!buf) + return -ENOMEM; + + /* device id */ + s_did = strtok_r(buf, ",", &saveptr); + if (!s_did) + goto out; + + did = strtol(s_did, &endptr, 16); + if (*endptr) + goto out; + + if (did != dev->info.asic_id) { + r = -EAGAIN; + goto out; + } + + /* revision id */ + s_rid = strtok_r(NULL, ",", &saveptr); + if (!s_rid) + goto out; + + rid = strtol(s_rid, &endptr, 16); + if (*endptr) + goto out; + + if (rid != dev->info.pci_rev_id) { + r = -EAGAIN; + goto out; + } + + /* marketing name */ + s_name = strtok_r(NULL, ",", &saveptr); + if (!s_name) + goto out; + + /* trim leading whitespaces or tabs */ + while (isblank(*s_name)) + s_name++; + if (strlen(s_name) == 0) + goto out; + + dev->marketing_name = strdup(s_name); + if (dev->marketing_name) + r = 0; + else + r = -ENOMEM; + +out: + free(buf); + + return r; +} + +void amdgpu_parse_asic_ids(struct amdgpu_device *dev) +{ + FILE *fp; + char *line = NULL; + size_t len = 0; + ssize_t n; + int line_num = 1; + int r = 0; + + fp = fopen(AMDGPU_ASIC_ID_TABLE, "r"); + if (!fp) { + fprintf(stderr, "%s: %s\n", AMDGPU_ASIC_ID_TABLE, + strerror(errno)); + return; + } + + /* 1st valid line is file version */ + while ((n = getline(&line, &len, fp)) != -1) { + /* trim trailing newline */ + if (line[n - 1] == '\n') + line[n - 1] = '\0'; + + /* ignore empty line and commented line */ + if (strlen(line) == 0 || line[0] == '#') { + line_num++; + continue; + } + + drmMsg("%s version: %s\n", AMDGPU_ASIC_ID_TABLE, line); + break; + } + + while ((n = getline(&line, &len, fp)) != -1) { + /* trim trailing newline */ + if (line[n - 1] == '\n') + line[n - 1] = '\0'; + + r = parse_one_line(dev, line); + if (r != -EAGAIN) + break; + + line_num++; + } + + if (r == -EINVAL) { + fprintf(stderr, "Invalid format: %s: line %d: %s\n", + AMDGPU_ASIC_ID_TABLE, line_num, line); + } else if (r && r != -EAGAIN) { + fprintf(stderr, "%s: Cannot parse ASIC IDs: %s\n", + __func__, strerror(-r)); + } + + free(line); + fclose(fp); +} |