std::vector<CLDevice> get_all_devices()
{
std::vector<cl_platform_id> platforms = get_platform_ids();
std::vector<CLDevice> devices;
if(platforms.size() == 1)
{
gContext = create_context(platforms[0]);
std::vector<cl_device_id> platformDeviceIDs = get_device_ids(platforms[0]);
for(size_t idx2 = 0; idx2 < platformDeviceIDs.size(); ++idx2)
{
cl_command_queue commandQueue = create_command_queue(gContext, platformDeviceIDs[idx2]);
devices.push_back(CLDevice(platformDeviceIDs[idx2], gContext, commandQueue));
}
}
return devices;
}
void PCI::scan_devices()
{
int device_count = 0;
for (uint32_t bus = 0; bus < 256; bus++)
{
for (uint32_t slot = 0; slot < 32; slot++)
{
for (uint32_t function = 0; function < 8; function++)
{
//根据配置空间的第0个寄存器是否返回0FFFFH值来判断是否存在该PCI设备
uint32_t vendor = getVendorID(bus, slot, function);
if (vendor == 0xffff) break;
uint32_t device = getDeviceID(bus, slot, function);
uint32_t baseclass = getBaseClass(bus, slot, function);
uint32_t subclass = getSubClass(bus, slot, function);
uint32_t progif = getProgIF(bus, slot, function);
PCI_IDS* pci_ids = get_device_ids(vendor, device, 0, 0);
PCI_DEVICE_CLASS* pci_class = get_device_class(baseclass, subclass, progif);
if (pci_ids != NULL)
{
printf("%d %02X:%02X:%X device: %s\n",
device_count++, bus, slot, function, pci_ids->device_name);
}
else
{
printf("%d %02X:%02X:%X vendor: %x device: %x class: %x subclass: %x \n",
device_count++, bus, slot, function, vendor, device, baseclass, subclass);
}
uint32_t header_type = getHeaderType(bus, slot, function);
if ( (header_type & 0x80) == 0) break;
/*pci_device *pdev = (pci_device *)malloc(sizeof(pci_device));
pdev->vendor = vendor;
pdev->device = device;
pdev->func = function;
pdev->driver = 0;
add_pci_device(pdev);*/
}
}
}
}