diff options
Diffstat (limited to 'hardinfo2/gpu_util.c')
| -rw-r--r-- | hardinfo2/gpu_util.c | 477 |
1 files changed, 477 insertions, 0 deletions
diff --git a/hardinfo2/gpu_util.c b/hardinfo2/gpu_util.c new file mode 100644 index 00000000..5d32f9e2 --- /dev/null +++ b/hardinfo2/gpu_util.c @@ -0,0 +1,477 @@ +/* + * HardInfo - Displays System Information + * Copyright (C) 2003-2017 L. A. F. Pereira <l@tia.mat.br> + * This file + * Copyright (C) 2018 Burt P. <pburt0@gmail.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, version 2 or later. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include "hardinfo.h" +#include "gpu_util.h" +#include "nice_name.h" +#include "cpu_util.h" /* for EMPIFNULL() */ + +nvgpu *nvgpu_new() { + return g_new0(nvgpu, 1); +} + +void nvgpu_free(nvgpu *s) { + if (s) { + free(s->model); + free(s->bios_version); + free(s->uuid); + } +} + +static char *_line_value(char *line, const char *prefix) { + if (g_str_has_prefix(g_strstrip(line), prefix)) { + line += strlen(prefix) + 1; + return g_strstrip(line); + } else + return NULL; +} + +static gboolean nv_fill_procfs_info(gpud *s) { + gchar *data, *p, *l, *next_nl; + gchar *pci_loc = pci_address_str(s->pci_dev->domain, s->pci_dev->bus, s->pci_dev->device, s->pci_dev->function); + gchar *nvi_file = g_strdup_printf("/proc/driver/nvidia/gpus/%s/information", pci_loc); + + g_file_get_contents(nvi_file, &data, NULL, NULL); + g_free(pci_loc); + g_free(nvi_file); + + if (data) { + s->nv_info = nvgpu_new(); + p = data; + while(next_nl = strchr(p, '\n')) { + strend(p, '\n'); + g_strstrip(p); + if (l = _line_value(p, "Model")) { + s->nv_info->model = g_strdup(l); + goto nv_details_next; + } + if (l = _line_value(p, "GPU UUID")) { + s->nv_info->uuid = g_strdup(l); + goto nv_details_next; + } + if (l = _line_value(p, "Video BIOS")) { + s->nv_info->bios_version = g_strdup(l); + goto nv_details_next; + } + + /* TODO: more details */ + + nv_details_next: + p = next_nl + 1; + } + g_free(data); + return TRUE; + } + return FALSE; +} + +static void intel_fill_freq(gpud *s) { + gchar path[256] = ""; + gchar *min_mhz = NULL, *max_mhz = NULL; + if (s->sysfs_drm_path) { + snprintf(path, 255, "%s/%s/gt_min_freq_mhz", s->sysfs_drm_path, s->id); + g_file_get_contents(path, &min_mhz, NULL, NULL); + snprintf(path, 255, "%s/%s/gt_max_freq_mhz", s->sysfs_drm_path, s->id); + g_file_get_contents(path, &max_mhz, NULL, NULL); + + if (min_mhz) + s->khz_min = atoi(min_mhz) * 1000; + if (max_mhz) + s->khz_max = atoi(max_mhz) * 1000; + + g_free(min_mhz); + g_free(max_mhz); + } +} + +static void amdgpu_parse_dpmclk(gchar *path, int *min, int *max) { + gchar *data = NULL, *p, *next_nl; + int sp, i, clk; + + *min = -1; + *max = -1; + + g_file_get_contents(path, &data, NULL, NULL); + if (data) { + p = data; + + while(next_nl = strchr(p, '\n')) { + strend(p, '\n'); + sp = sscanf(p, "%d: %dMhz", &i, &clk); + + if (sp == 2) { + if (clk > 0) { + if (*min < 0 || clk < *min) + *min = clk; + if (clk > *max) + *max = clk; + } + } + + p = next_nl + 1; + } + } + g_free(data); +} + +static void amdgpu_fill_freq(gpud *s) { + gchar path[256] = ""; + int clk_min = -1, clk_max = -1, mem_clk_min = -1, mem_clk_max = -1; + + if (s->sysfs_drm_path) { + /* core */ + snprintf(path, 255, "%s/%s/device/pp_dpm_sclk", s->sysfs_drm_path, s->id); + amdgpu_parse_dpmclk(path, &clk_min, &clk_max); + + if (clk_max > 0) + s->khz_max = clk_max * 1000; + if (clk_min > 0) + s->khz_min = clk_min * 1000; + + /* memory */ + snprintf(path, 255, "%s/%s/device/pp_dpm_mclk", s->sysfs_drm_path, s->id); + amdgpu_parse_dpmclk(path, &mem_clk_min, &mem_clk_max); + + if (mem_clk_max > 0) + s->mem_khz_max = mem_clk_max * 1000; + if (mem_clk_min > 0) + s->mem_khz_min = mem_clk_min * 1000; + } +} + +gpud *gpud_new() { + return g_new0(gpud, 1); +} + +void gpud_free(gpud *s) { + if (s) { + free(s->id); + free(s->nice_name); + free(s->vendor_str); + free(s->device_str); + free(s->location); + free(s->drm_dev); + free(s->sysfs_drm_path); + free(s->dt_compat); + g_free(s->dt_opp); + pcid_free(s->pci_dev); + nvgpu_free(s->nv_info); + g_free(s); + } +} + +void gpud_list_free(gpud *s) { + gpud *n; + while(s != NULL) { + n = s->next; + gpud_free(s); + s = n; + } +} + +/* returns number of items after append */ +static int gpud_list_append(gpud *l, gpud *n) { + int c = 0; + while(l != NULL) { + c++; + if (l->next == NULL) { + if (n != NULL) { + l->next = n; + c++; + } + break; + } + l = l->next; + } + return c; +} + +int gpud_list_count(gpud *s) { + return gpud_list_append(s, NULL); +} + +/* TODO: In the future, when there is more vendor specific information available in + * the gpu struct, then more precise names can be given to each gpu */ +static void make_nice_name(gpud *s) { + + /* NV information available */ + if (s->nv_info && s->nv_info->model) { + s->nice_name = g_strdup_printf("%s %s", "NVIDIA", s->nv_info->model); + return; + } + + static const char unk_v[] = "Unknown"; /* do not... */ + static const char unk_d[] = "Device"; /* ...translate */ + const char *vendor_str = s->vendor_str; + const char *device_str = s->device_str; + if (!vendor_str) + vendor_str = unk_v; + if (!device_str) + device_str = unk_d; + + /* try and a get a "short name" for the vendor */ + vendor_str = vendor_get_shortest_name(vendor_str); + + if (strstr(vendor_str, "Intel")) { + gchar *device_str_clean = strdup(device_str); + nice_name_intel_gpu_device(device_str_clean); + s->nice_name = g_strdup_printf("%s %s", vendor_str, device_str_clean); + g_free(device_str_clean); + } else if (strstr(vendor_str, "AMD")) { + /* AMD PCI strings are crazy stupid because they use the exact same + * chip and device id for a zillion "different products" */ + char *full_name = strdup(device_str); + /* Try and shorten it to the chip code name only, at least */ + char *b = strchr(full_name, '['); + if (b) *b = '\0'; + s->nice_name = g_strdup_printf("%s %s", "AMD/ATI", g_strstrip(full_name)); + free(full_name); + } else { + /* nothing nicer */ + s->nice_name = g_strdup_printf("%s %s", vendor_str, device_str); + } + +} + +/* Look for this kind of thing: + * * /soc/gpu + * * /gpu@ff300000 + * + * Usually a gpu dt node will have ./name = "gpu" + */ +static gchar *dt_find_gpu(dtr *dt, char *np) { + gchar *dir_path, *dt_path, *ret; + gchar *ftmp, *ntmp; + const gchar *fn; + GDir *dir; + dtr_obj *obj; + + /* consider self */ + obj = dtr_obj_read(dt, np); + dt_path = dtr_obj_path(obj); + ntmp = strstr(dt_path, "/gpu"); + if (ntmp) { + /* was found in node name */ + if ( strchr(ntmp+1, '/') == NULL) { + ftmp = ntmp + 4; + /* should either be NULL or @ */ + if (*ftmp == '\0' || *ftmp == '@') + return g_strdup(dt_path); + } + } + + /* search children ... */ + dir_path = g_strdup_printf("%s/%s", dtr_base_path(dt), np); + dir = g_dir_open(dir_path, 0 , NULL); + if (dir) { + while((fn = g_dir_read_name(dir)) != NULL) { + ftmp = g_strdup_printf("%s/%s", dir_path, fn); + if ( g_file_test(ftmp, G_FILE_TEST_IS_DIR) ) { + if (strcmp(np, "/") == 0) + ntmp = g_strdup_printf("/%s", fn); + else + ntmp = g_strdup_printf("%s/%s", np, fn); + ret = dt_find_gpu(dt, ntmp); + g_free(ntmp); + if (ret != NULL) { + g_free(ftmp); + g_dir_close(dir); + return ret; + } + } + g_free(ftmp); + } + g_dir_close(dir); + } + + return NULL; +} + +gpud *dt_soc_gpu() { + static const char std_soc_gpu_drm_path[] = "/sys/devices/platform/soc/soc:gpu/drm"; + + /* compatible contains a list of compatible hardware, so be careful + * with matching order. + * ex: "ti,omap3-beagleboard-xm", "ti,omap3450", "ti,omap3"; + * matches "omap3 family" first. + * ex: "brcm,bcm2837", "brcm,bcm2836"; + * would match 2836 when it is a 2837. + */ + const struct { + char *search_str; + char *vendor; + char *soc; + } dt_compat_searches[] = { + { "brcm,bcm2837-vc4", "Broadcom", "VideoCore IV" }, + { "brcm,bcm2836-vc4", "Broadcom", "VideoCore IV" }, + { "brcm,bcm2835-vc4", "Broadcom", "VideoCore IV" }, + { "arm,mali-450", "ARM", "Mali 450" }, + { "arm,mali", "ARM", "Mali family" }, + { NULL, NULL, NULL } + }; + char tmp_path[256] = ""; + char *dt_gpu_path = NULL; + char *compat = NULL; + char *vendor = NULL, *device = NULL; + int i; + + gpud *gpu = NULL; + + dtr *dt = dtr_new(NULL); + if (!dtr_was_found(dt)) + goto dt_gpu_end; + + dt_gpu_path = dt_find_gpu(dt, "/"); + + if (dt_gpu_path == NULL) + goto dt_gpu_end; + + snprintf(tmp_path, 255, "%s/compatible", dt_gpu_path); + compat = dtr_get_string(tmp_path, 1); + + if (compat == NULL) + goto dt_gpu_end; + + gpu = gpud_new(); + + i = 0; + while(dt_compat_searches[i].search_str != NULL) { + if (strstr(compat, dt_compat_searches[i].search_str) != NULL) { + vendor = dt_compat_searches[i].vendor; + device = dt_compat_searches[i].soc; + break; + } + i++; + } + + gpu->dt_compat = compat; + gpu->dt_vendor = vendor; + gpu->dt_device = device; + gpu->dt_path = dt_gpu_path; + snprintf(tmp_path, 255, "%s/status", dt_gpu_path); + gpu->dt_status = dtr_get_string(tmp_path, 1); + snprintf(tmp_path, 255, "%s/name", dt_gpu_path); + gpu->dt_name = dtr_get_string(tmp_path, 1); + gpu->dt_opp = dtr_get_opp_range(dt, dt_gpu_path); + if (gpu->dt_opp) { + gpu->khz_max = gpu->dt_opp->khz_max; + gpu->khz_min = gpu->dt_opp->khz_min; + } + EMPIFNULL(gpu->dt_name); + EMPIFNULL(gpu->dt_status); + + gpu->id = strdup("dt-soc-gpu"); + gpu->location = strdup("SOC"); + + if (access(std_soc_gpu_drm_path, F_OK) != -1) + gpu->sysfs_drm_path = strdup(std_soc_gpu_drm_path); + if (vendor) gpu->vendor_str = strdup(vendor); + if (device) gpu->device_str = strdup(device); + make_nice_name(gpu); + + +dt_gpu_end: + dtr_free(dt); + return gpu; +} + +gpud *gpu_get_device_list() { + int cn = 0; + gpud *list = NULL; + +/* Can we just ask DRM someway? ... */ + /* TODO: yes. /sys/class/drm/card* */ + +/* Try PCI ... */ + pcid_list pci_list = pci_get_device_list(0x300,0x3ff); + GSList *l = pci_list; + + if (l) { + while(l) { + pcid *curr = (pcid*)l->data; + char *pci_loc = NULL; + gpud *new_gpu = gpud_new(); + new_gpu->pci_dev = curr; + + pci_loc = pci_address_str(curr->domain, curr->bus, curr->device, curr->function); + + int len; + char drm_id[512] = "", card_id[64] = ""; + char *drm_dev = NULL; + gchar *drm_path = + g_strdup_printf("/dev/dri/by-path/pci-%s-card", pci_loc); + memset(drm_id, 0, 512); + if ((len = readlink(drm_path, drm_id, sizeof(drm_id)-1)) != -1) + drm_id[len] = '\0'; + g_free(drm_path); + + if (strlen(drm_id) != 0) { + /* drm has the card */ + drm_dev = strstr(drm_id, "card"); + if (drm_dev) + snprintf(card_id, 64, "%s", drm_dev); + } + + if (strlen(card_id) == 0) { + /* fallback to our own counter */ + snprintf(card_id, 64, "pci-dc%d", cn); + cn++; + } + + if (drm_dev) + new_gpu->drm_dev = strdup(drm_dev); + + char *sysfs_path_candidate = g_strdup_printf("%s/%s/drm", SYSFS_PCI_ROOT, pci_loc); + if (access(sysfs_path_candidate, F_OK) != -1) { + new_gpu->sysfs_drm_path = sysfs_path_candidate; + } else + free(sysfs_path_candidate); + new_gpu->location = g_strdup_printf("PCI/%s", pci_loc); + new_gpu->id = strdup(card_id); + if (curr->vendor_id_str) new_gpu->vendor_str = strdup(curr->vendor_id_str); + if (curr->device_id_str) new_gpu->device_str = strdup(curr->device_id_str); + nv_fill_procfs_info(new_gpu); + intel_fill_freq(new_gpu); + amdgpu_fill_freq(new_gpu); + make_nice_name(new_gpu); + if (list == NULL) + list = new_gpu; + else + gpud_list_append(list, new_gpu); + + free(pci_loc); + l=l->next; + } + + /* don't pcid_list_free(pci_list); They will be freed by gpud_free() */ + g_slist_free(pci_list); /* just the linking data */ + return list; + } + +/* Try Device Tree ... */ + list = dt_soc_gpu(); + if (list) return list; + +/* Try other things ... */ + + return list; +} + + |