mirror of
https://github.com/fastfetch-cli/fastfetch.git
synced 2026-09-13 02:42:09 +02:00
李通洲
71 lines
2.5 KiB
C
71 lines
2.5 KiB
C
#include "gpu.h"
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#ifdef FF_HAVE_PCIACCESS
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#include "common/io/io.h"
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#include "common/library.h"
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#include <pciaccess.h>
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const char* ffDetectGPUImpl(FF_MAYBE_UNUSED const FFGPUOptions* options, FFlist* gpus)
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{
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FF_LIBRARY_LOAD_MESSAGE(pciaccess, "libpciaccess" FF_LIBRARY_EXTENSION, 0)
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FF_LIBRARY_LOAD_SYMBOL_MESSAGE(pciaccess, pci_system_init)
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FF_LIBRARY_LOAD_SYMBOL_MESSAGE(pciaccess, pci_slot_match_iterator_create)
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FF_LIBRARY_LOAD_SYMBOL_MESSAGE(pciaccess, pci_device_next)
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FF_LIBRARY_LOAD_SYMBOL_MESSAGE(pciaccess, pci_system_cleanup)
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FF_LIBRARY_LOAD_SYMBOL_MESSAGE(pciaccess, pci_iterator_destroy)
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{
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// Requires root access
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// Same behavior can be observed with `cp $(which scanpci) /tmp/ && /tmp/scanpci`
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FF_SUPPRESS_IO();
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if (ffpci_system_init() < 0)
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return "pci_system_init() failed";
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}
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struct pci_device_iterator* iter = ffpci_slot_match_iterator_create(NULL);
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for (struct pci_device* dev = NULL; (dev = ffpci_device_next(iter)); )
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{
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if (dev->device_class >> 16 != 0x03 /*PCI_BASE_CLASS_DISPLAY*/)
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continue;
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uint8_t subclass = (dev->device_class >> 8) & 0xFF;
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if (dev->func > 0 && subclass == 0x80 /*PCI_CLASS_DISPLAY_OTHER*/)
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continue; // Likely an auxiliary display controller (#2034)
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FFGPUResult* gpu = (FFGPUResult*)ffListAdd(gpus);
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ffStrbufInitStatic(&gpu->vendor, ffGPUGetVendorString(dev->vendor_id));
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ffStrbufInit(&gpu->name);
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ffStrbufInit(&gpu->driver);
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ffStrbufInitStatic(&gpu->platformApi, "libpciaccess");
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ffStrbufInit(&gpu->memoryType);
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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->coreUsage = FF_GPU_CORE_USAGE_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 = ffGPUPciAddr2Id(dev->domain, dev->bus, dev->dev, dev->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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ffGPUQueryAmdGpuName(dev->device_id, dev->revision, gpu);
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if (gpu->name.length == 0)
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ffGPUFillVendorAndName(subclass, dev->vendor_id, dev->device_id, gpu);
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}
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ffpci_iterator_destroy(iter);
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ffpci_system_cleanup();
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return NULL;
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}
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#else
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const char* ffDetectGPUImpl(FF_MAYBE_UNUSED const FFGPUOptions* options, FF_MAYBE_UNUSED FFlist* gpus)
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{
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return "Fastfetch was built without libpciaccess support";
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}
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#endif
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