mirror of
https://github.com/fastfetch-cli/fastfetch.git
synced 2026-09-13 02:42:09 +02:00
李通洲
107 lines
3.8 KiB
C
107 lines
3.8 KiB
C
#include "gpu_driver_specific.h"
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#include "common/io/io.h"
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#include "common/properties.h"
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#include "3rdparty/nvml/nvml.h"
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#include "util/mallocHelper.h"
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#include <dev/pci/pcireg.h>
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#include <sys/pciio.h>
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#include <fcntl.h>
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#include <paths.h>
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static bool loadPciIds(FFstrbuf* pciids)
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{
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// https://github.com/freebsd/freebsd-src/blob/main/usr.sbin/pciconf/pathnames.h
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ffReadFileBuffer(_PATH_LOCALBASE "/share/pciids/pci.ids", pciids);
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if (pciids->length > 0) return true;
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ffReadFileBuffer(FASTFETCH_TARGET_DIR_USR "/share/pciids/pci.ids", pciids);
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if (pciids->length > 0) return true;
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return false;
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}
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const char* ffDetectGPUImpl(const FFGPUOptions* options, FFlist* gpus)
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{
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FF_AUTO_CLOSE_FD int fd = open("/dev/pci", O_RDONLY, 0);
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struct pci_conf confs[128];
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struct pci_match_conf match = {
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.pc_class = PCIC_DISPLAY,
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.flags = PCI_GETCONF_MATCH_CLASS,
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};
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struct pci_conf_io pcio = {
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.pat_buf_len = sizeof(match),
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.num_patterns = 1,
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.patterns = &match,
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.match_buf_len = sizeof(confs),
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.matches = confs,
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};
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if (ioctl(fd, PCIOCGETCONF, &pcio) < 0)
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return "ioctl(fd, PCIOCGETCONF, &pc) failed";
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if (pcio.status == PCI_GETCONF_ERROR)
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return "ioctl(fd, PCIOCGETCONF, &pc) returned error";
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FF_STRBUF_AUTO_DESTROY pciids = ffStrbufCreate();
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for (uint32_t i = 0; i < pcio.num_matches; ++i)
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{
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struct pci_conf* pc = &confs[i];
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FFGPUResult* gpu = (FFGPUResult*)ffListAdd(gpus);
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ffStrbufInitStatic(&gpu->vendor, ffGetGPUVendorString(pc->pc_vendor));
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ffStrbufInit(&gpu->name);
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ffStrbufInitS(&gpu->driver, pc->pd_name);
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ffStrbufInit(&gpu->platformApi);
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gpu->temperature = FF_GPU_TEMP_UNSET;
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gpu->coreCount = FF_GPU_CORE_COUNT_UNSET;
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gpu->type = FF_GPU_TYPE_UNKNOWN;
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gpu->dedicated.total = gpu->dedicated.used = gpu->shared.total = gpu->shared.used = FF_GPU_VMEM_SIZE_UNSET;
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gpu->deviceId = ((uint64_t) pc->pc_sel.pc_domain << 6) | ((uint64_t) pc->pc_sel.pc_bus << 4) | ((uint64_t) pc->pc_sel.pc_dev << 2) | pc->pc_sel.pc_func;
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gpu->frequency = FF_GPU_FREQUENCY_UNSET;
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if (gpu->vendor.chars == FF_GPU_VENDOR_NAME_AMD)
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{
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char query[32];
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snprintf(query, sizeof(query), "%X,\t%X,", (unsigned) pc->pc_device, (unsigned) pc->pc_revid);
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ffParsePropFileData("libdrm/amdgpu.ids", query, &gpu->name);
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}
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if (gpu->name.length == 0)
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{
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if (pciids.length == 0)
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loadPciIds(&pciids);
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ffGPUParsePciIds(&pciids, pc->pc_subclass, pc->pc_vendor, pc->pc_device, gpu);
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}
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#ifdef FF_USE_PROPRIETARY_GPU_DRIVER_API
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if (gpu->vendor.chars == FF_GPU_VENDOR_NAME_NVIDIA && (options->temp || options->driverSpecific))
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{
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ffDetectNvidiaGpuInfo(&(FFGpuDriverCondition) {
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.type = FF_GPU_DRIVER_CONDITION_TYPE_BUS_ID,
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.pciBusId = {
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.domain = (uint32_t) pc->pc_sel.pc_domain,
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.bus = pc->pc_sel.pc_bus,
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.device = pc->pc_sel.pc_dev,
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.func = pc->pc_sel.pc_func,
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},
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}, (FFGpuDriverResult) {
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.temp = options->temp ? &gpu->temperature : NULL,
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.memory = options->driverSpecific ? &gpu->dedicated : NULL,
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.coreCount = options->driverSpecific ? (uint32_t*) &gpu->coreCount : NULL,
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.type = &gpu->type,
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.frequency = &gpu->frequency,
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}, "libnvidia-ml.so");
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if (gpu->dedicated.total != FF_GPU_VMEM_SIZE_UNSET)
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gpu->type = gpu->dedicated.total > (uint64_t)1024 * 1024 * 1024 ? FF_GPU_TYPE_DISCRETE : FF_GPU_TYPE_INTEGRATED;
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}
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#endif // FF_USE_PROPRIETARY_GPU_DRIVER_API
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}
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return NULL;
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}
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