14 #ifndef HWLOC_OPENCL_H 
   15 #define HWLOC_OPENCL_H 
   18 #include "hwloc/autogen/config.h" 
   19 #include "hwloc/helper.h" 
   20 #ifdef HWLOC_LINUX_SYS 
   21 #include "hwloc/linux.h" 
   25 #include <OpenCL/cl.h> 
   51 #define HWLOC_CL_DEVICE_PCI_BUS_INFO_KHR 0x410F 
   54 #define HWLOC_CL_DEVICE_TOPOLOGY_AMD 0x4037 
   56     struct { cl_uint 
type; cl_uint data[5]; } raw;
 
   57     struct { cl_uint type; cl_char unused[17]; cl_char bus; cl_char device; cl_char 
function; } pcie;
 
   59 #define HWLOC_CL_DEVICE_TOPOLOGY_TYPE_PCIE_AMD 1 
   62 #define HWLOC_CL_DEVICE_PCI_BUS_ID_NV 0x4008 
   63 #define HWLOC_CL_DEVICE_PCI_SLOT_ID_NV 0x4009 
   64 #define HWLOC_CL_DEVICE_PCI_DOMAIN_ID_NV 0x400A 
   85 static __hwloc_inline 
int 
   87                                unsigned *domain, 
unsigned *bus, 
unsigned *dev, 
unsigned *func)
 
   91         cl_uint nvbus, nvslot, nvdomain;
 
   94         clret = clGetDeviceInfo(device, HWLOC_CL_DEVICE_PCI_BUS_INFO_KHR, 
sizeof(khrbusinfo), &khrbusinfo, NULL);
 
   95         if (CL_SUCCESS == clret) {
 
   97                 *bus = (
unsigned) khrbusinfo.
pci_bus;
 
  103         clret = clGetDeviceInfo(device, HWLOC_CL_DEVICE_TOPOLOGY_AMD, 
sizeof(amdtopo), &amdtopo, NULL);
 
  104         if (CL_SUCCESS == clret
 
  105             && HWLOC_CL_DEVICE_TOPOLOGY_TYPE_PCIE_AMD == amdtopo.
raw.
type) {
 
  108                 *bus = (unsigned) (
unsigned char) amdtopo.
pcie.
bus;
 
  109                 *dev = (unsigned) (
unsigned char) amdtopo.
pcie.
device;
 
  110                 *func = (unsigned) (
unsigned char) amdtopo.
pcie.
function;
 
  114         clret = clGetDeviceInfo(device, HWLOC_CL_DEVICE_PCI_BUS_ID_NV, 
sizeof(nvbus), &nvbus, NULL);
 
  115         if (CL_SUCCESS == clret) {
 
  116                 clret = clGetDeviceInfo(device, HWLOC_CL_DEVICE_PCI_SLOT_ID_NV, 
sizeof(nvslot), &nvslot, NULL);
 
  117                 if (CL_SUCCESS == clret) {
 
  118                         clret = clGetDeviceInfo(device, HWLOC_CL_DEVICE_PCI_DOMAIN_ID_NV, 
sizeof(nvdomain), &nvdomain, NULL);
 
  119                         if (CL_SUCCESS == clret) { 
 
  127                         *func = nvslot & 0x7;
 
  155 static __hwloc_inline 
int 
  157                                cl_device_id device __hwloc_attribute_unused,
 
  160 #if (defined HWLOC_LINUX_SYS) 
  162 #define HWLOC_OPENCL_DEVICE_SYSFS_PATH_MAX 128 
  163         char path[HWLOC_OPENCL_DEVICE_SYSFS_PATH_MAX];
 
  164         unsigned pcidomain, pcibus, pcidev, pcifunc;
 
  176         sprintf(path, 
"/sys/bus/pci/devices/%04x:%02x:%02x.%01x/local_cpus", pcidomain, pcibus, pcidev, pcifunc);
 
  204                                        unsigned platform_index, 
unsigned device_index)
 
  206         unsigned x = (unsigned) -1, y = (
unsigned) -1;
 
  211                     && sscanf(osdev->
name, 
"opencl%ud%u", &x, &y) == 2
 
  212                     && platform_index == x && device_index == y)
 
  241                               cl_device_id device __hwloc_attribute_unused)
 
  244         unsigned pcidomain, pcibus, pcidevice, pcifunc;
 
  254                 if (strncmp(osdev->
name, 
"opencl", 6))