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#include "gpu_driver_specific.h"
#include "common/io.h"
#include "common/mallocHelper.h"
#include <sys/pciio.h>
#include <fcntl.h>
#if __has_include(<dev/pci/pcireg.h>)
#include <dev/pci/pcireg.h> // FreeBSD
#else
#include <bus/pci/pcireg.h> // DragonFly
#endif
static void fillGPUTypeGeneric(FFGPUResult* gpu) {
if (gpu->type == FF_GPU_TYPE_UNKNOWN) {
if (gpu->vendor.chars == FF_GPU_VENDOR_NAME_NVIDIA) {
if (ffStrbufStartsWithIgnCaseS(&gpu->name, "GeForce") ||
ffStrbufStartsWithIgnCaseS(&gpu->name, "Quadro") ||
ffStrbufStartsWithIgnCaseS(&gpu->name, "Tesla")) {
gpu->type = FF_GPU_TYPE_DISCRETE;
}
} else if (gpu->vendor.chars == FF_GPU_VENDOR_NAME_MTHREADS) {
if (ffStrbufStartsWithIgnCaseS(&gpu->name, "MTT ")) {
gpu->type = FF_GPU_TYPE_DISCRETE;
}
} else if (gpu->vendor.chars == FF_GPU_VENDOR_NAME_INTEL) {
// 0000:00:02.0 is reserved for Intel integrated graphics
gpu->type = gpu->deviceId == ffGPUPciAddr2Id(0, 0, 2, 0) ? FF_GPU_TYPE_INTEGRATED : FF_GPU_TYPE_DISCRETE;
}
}
}
#if FF_HAVE_DRM
#include "common/library.h"
#include "common/strutil.h"
#include <xf86drm.h>
static const char* detectByDrm(const FFGPUOptions* options, FFlist* gpus) {
FF_LIBRARY_LOAD_MESSAGE(libdrm, "libdrm" FF_LIBRARY_EXTENSION, 2)
FF_LIBRARY_LOAD_SYMBOL_MESSAGE(libdrm, drmGetDevices)
FF_LIBRARY_LOAD_SYMBOL_MESSAGE(libdrm, drmFreeDevices)
drmDevicePtr devices[64];
int nDevices = ffdrmGetDevices(devices, ARRAY_SIZE(devices));
if (nDevices < 0) {
return "drmGetDevices() failed";
}
for (int iDev = 0; iDev < nDevices; ++iDev) {
drmDevice* dev = devices[iDev];
if (!(dev->available_nodes & (1 << DRM_NODE_PRIMARY))) {
continue;
}
const char* path = dev->nodes[DRM_NODE_PRIMARY];
FFGPUResult* gpu = FF_LIST_ADD(FFGPUResult, *gpus);
ffStrbufInit(&gpu->vendor);
ffStrbufInit(&gpu->name);
ffStrbufInit(&gpu->driver);
ffStrbufInitS(&gpu->platformApi, path);
ffStrbufInit(&gpu->memoryType);
gpu->index = FF_GPU_INDEX_UNSET;
gpu->temperature = FF_GPU_TEMP_UNSET;
gpu->coreCount = FF_GPU_CORE_COUNT_UNSET;
gpu->coreUsage = FF_GPU_CORE_USAGE_UNSET;
gpu->type = FF_GPU_TYPE_UNKNOWN;
gpu->dedicated.total = gpu->dedicated.used = gpu->shared.total = gpu->shared.used = FF_GPU_VMEM_SIZE_UNSET;
gpu->deviceId = 0;
gpu->frequency = FF_GPU_FREQUENCY_UNSET;
switch (dev->bustype) {
case DRM_BUS_PCI:
ffStrbufInitStatic(&gpu->vendor, ffGPUGetVendorString(dev->deviceinfo.pci->vendor_id));
gpu->deviceId = ffGPUPciAddr2Id(dev->businfo.pci->domain, dev->businfo.pci->bus, dev->businfo.pci->dev, dev->businfo.pci->func);
break;
case DRM_BUS_HOST1X:
ffStrbufSetS(&gpu->name, dev->deviceinfo.host1x->compatible[0]);
gpu->type = FF_GPU_TYPE_INTEGRATED;
break;
case DRM_BUS_PLATFORM:
ffStrbufSetS(&gpu->name, dev->deviceinfo.platform->compatible[0]);
gpu->type = FF_GPU_TYPE_INTEGRATED;
break;
case DRM_BUS_USB:
ffStrbufSetF(&gpu->name, "USB Device (%u-%u)", dev->deviceinfo.usb->vendor, dev->deviceinfo.usb->product);
gpu->type = FF_GPU_TYPE_DISCRETE;
break;
}
FF_AUTO_CLOSE_FD int fd = open(path, O_RDONLY | O_CLOEXEC);
if (fd < 0) {
continue;
}
char driverName[64];
driverName[0] = '\0';
struct drm_version ver = {
.name = driverName,
.name_len = ARRAY_SIZE(driverName),
};
if (ioctl(fd, DRM_IOCTL_VERSION, &ver) == 0) {
driverName[ver.name_len] = '\0';
ffStrbufSetF(&gpu->driver, "%s %d.%d.%d", ver.name, ver.version_major, ver.version_minor, ver.version_patchlevel);
}
if (ffStrStartsWith(driverName, "i915")) {
ffDrmDetectI915(gpu, fd);
} else if (ffStrStartsWith(driverName, "amdgpu")) {
ffDrmDetectAmdgpu(options, gpu, dev->nodes[DRM_NODE_RENDER]);
} else if (ffStrStartsWith(driverName, "radeon")) {
ffDrmDetectRadeon(options, gpu, dev->nodes[DRM_NODE_RENDER]);
} else if (ffStrStartsWith(driverName, "xe")) {
ffDrmDetectXe(gpu, fd);
} else if (ffStrStartsWith(driverName, "asahi")) {
ffDrmDetectAsahi(gpu, fd);
} else if (ffStrStartsWith(driverName, "nouveau")) {
ffDrmDetectNouveau(gpu, fd);
} else if (dev->bustype == DRM_BUS_PCI) {
ffGPUDetectDriverSpecific(options, gpu, (FFGpuDriverPciBusId) {
.domain = (uint32_t) dev->businfo.pci->domain,
.bus = dev->businfo.pci->bus,
.device = dev->businfo.pci->dev,
.func = dev->businfo.pci->func,
});
}
if (gpu->name.length == 0) {
if (gpu->vendor.chars == FF_GPU_VENDOR_NAME_AMD) {
ffGPUQueryAmdGpuName(dev->deviceinfo.pci->device_id, dev->deviceinfo.pci->revision_id, gpu);
}
if (gpu->name.length == 0) {
ffGPUFillVendorAndName(0, dev->deviceinfo.pci->vendor_id, dev->deviceinfo.pci->device_id, gpu);
}
}
fillGPUTypeGeneric(gpu);
}
ffdrmFreeDevices(devices, nDevices);
return NULL;
}
#endif
static const char* detectByPci(const FFGPUOptions* options, FFlist* gpus) {
FF_AUTO_CLOSE_FD int fd = open("/dev/pci", O_RDONLY | O_CLOEXEC);
if (fd < 0) {
return "open(\"/dev/pci\", O_RDONLY | O_CLOEXEC, 0) failed";
}
struct pci_conf confs[128];
struct pci_match_conf match = {
.pc_class = PCIC_DISPLAY,
.flags = PCI_GETCONF_MATCH_CLASS,
};
struct pci_conf_io pcio = {
.pat_buf_len = sizeof(match),
.num_patterns = 1,
.patterns = &match,
.match_buf_len = sizeof(confs),
.matches = confs,
};
if (ioctl(fd, PCIOCGETCONF, &pcio) < 0) {
return "ioctl(fd, PCIOCGETCONF, &pc) failed";
}
if (pcio.status == PCI_GETCONF_ERROR) {
return "ioctl(fd, PCIOCGETCONF, &pc) returned error";
}
for (uint32_t i = 0; i < pcio.num_matches; ++i) {
struct pci_conf* pc = &confs[i];
if (pc->pc_sel.pc_func > 0 && pc->pc_subclass == 0x80 /*PCI_CLASS_DISPLAY_OTHER*/) {
continue; // Likely an auxiliary display controller (#2034)
}
FFGPUResult* gpu = FF_LIST_ADD(FFGPUResult, *gpus);
ffStrbufInitStatic(&gpu->vendor, ffGPUGetVendorString(pc->pc_vendor));
ffStrbufInit(&gpu->name);
ffStrbufInitS(&gpu->driver, pc->pd_name);
ffStrbufInitStatic(&gpu->platformApi, "/dev/pci");
ffStrbufInit(&gpu->memoryType);
gpu->index = FF_GPU_INDEX_UNSET;
gpu->temperature = FF_GPU_TEMP_UNSET;
gpu->coreCount = FF_GPU_CORE_COUNT_UNSET;
gpu->coreUsage = FF_GPU_CORE_USAGE_UNSET;
gpu->type = FF_GPU_TYPE_UNKNOWN;
gpu->dedicated.total = gpu->dedicated.used = gpu->shared.total = gpu->shared.used = FF_GPU_VMEM_SIZE_UNSET;
gpu->deviceId = ffGPUPciAddr2Id(pc->pc_sel.pc_domain, pc->pc_sel.pc_bus, pc->pc_sel.pc_dev, pc->pc_sel.pc_func);
gpu->frequency = FF_GPU_FREQUENCY_UNSET;
ffGPUDetectDriverSpecific(options, gpu, (FFGpuDriverPciBusId) {
.domain = (uint32_t) pc->pc_sel.pc_domain,
.bus = pc->pc_sel.pc_bus,
.device = pc->pc_sel.pc_dev,
.func = pc->pc_sel.pc_func,
});
if (gpu->name.length == 0) {
if (gpu->vendor.chars == FF_GPU_VENDOR_NAME_AMD) {
ffGPUQueryAmdGpuName(pc->pc_device, pc->pc_revid, gpu);
}
if (gpu->name.length == 0) {
ffGPUFillVendorAndName(pc->pc_subclass, pc->pc_vendor, pc->pc_device, gpu);
}
}
fillGPUTypeGeneric(gpu);
}
return NULL;
}
const char* ffDetectGPUImpl(const FFGPUOptions* options, FFlist* gpus) {
#if FF_HAVE_DRM
if (options->detectionMethod == FF_GPU_DETECTION_METHOD_AUTO) {
detectByDrm(options, gpus);
if (gpus->length > 0) {
return NULL;
}
}
#endif
return detectByPci(options, gpus);
}
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