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>    26 #include <OpenCL/cl_ext.h>    29 #include <CL/cl_ext.h>    68 static __hwloc_inline 
int    70                                cl_device_id device __hwloc_attribute_unused,
    73 #if (defined HWLOC_LINUX_SYS) && (defined CL_DEVICE_TOPOLOGY_AMD)    75 #define HWLOC_OPENCL_DEVICE_SYSFS_PATH_MAX 128    76         char path[HWLOC_OPENCL_DEVICE_SYSFS_PATH_MAX];
    78         cl_device_topology_amd amdtopo;
    86         clret = clGetDeviceInfo(device, CL_DEVICE_TOPOLOGY_AMD, 
sizeof(amdtopo), &amdtopo, NULL);
    87         if (CL_SUCCESS != clret) {
    91         if (CL_DEVICE_TOPOLOGY_TYPE_PCIE_AMD != amdtopo.raw.type) {
    96         sprintf(path, 
"/sys/bus/pci/devices/0000:%02x:%02x.%01x/local_cpus",
    97                 (
unsigned) amdtopo.pcie.bus, (
unsigned) amdtopo.pcie.device, (
unsigned) amdtopo.pcie.function);
    98         sysfile = fopen(path, 
"r");
   131                                        unsigned platform_index, 
unsigned device_index)
   133         unsigned x = (unsigned) -1, y = (
unsigned) -1;
   138                     && sscanf(osdev->
name, 
"opencl%ud%u", &x, &y) == 2
   139                     && platform_index == x && device_index == y)
   160                               cl_device_id device __hwloc_attribute_unused)
   162 #ifdef CL_DEVICE_TOPOLOGY_AMD   164         cl_device_topology_amd amdtopo;
   167         clret = clGetDeviceInfo(device, CL_DEVICE_TOPOLOGY_AMD, 
sizeof(amdtopo), &amdtopo, NULL);
   168         if (CL_SUCCESS != clret) {
   172         if (CL_DEVICE_TOPOLOGY_TYPE_PCIE_AMD != amdtopo.raw.type) {
   180                 if (strncmp(osdev->
name, 
"opencl", 6))
 struct hwloc_obj * parent
Parent, NULL if root (system object) 
Definition: hwloc.h:403
PCI device. These objects have neither CPU sets nor node sets. They are not added to the topology unl...
Definition: hwloc.h:246
unsigned char bus
Definition: hwloc.h:544
union hwloc_obj_attr_u * attr
Object type-specific Attributes, may be NULL if no attribute value was found. 
Definition: hwloc.h:373
static hwloc_const_cpuset_t hwloc_topology_get_complete_cpuset(hwloc_topology_t topology)
Get complete CPU set. 
Definition: helper.h:803
static hwloc_obj_t hwloc_opencl_get_device_osdev_by_index(hwloc_topology_t topology, unsigned platform_index, unsigned device_index)
Get the hwloc OS device object corresponding to the OpenCL device for the given indexes. 
Definition: opencl.h:130
struct hwloc_topology * hwloc_topology_t
Topology context. 
Definition: hwloc.h:633
struct hwloc_obj_attr_u::hwloc_pcidev_attr_s pcidev
unsigned char dev
Definition: hwloc.h:544
hwloc_obj_osdev_type_t type
Definition: hwloc.h:567
unsigned char func
Definition: hwloc.h:544
hwloc_bitmap_t hwloc_cpuset_t
A CPU set is a bitmap whose bits are set according to CPU physical OS indexes. 
Definition: hwloc.h:132
char * name
Object-specific name if any. Mostly used for identifying OS devices and Misc objects where a name str...
Definition: hwloc.h:366
unsigned short domain
Definition: hwloc.h:543
static hwloc_obj_t hwloc_opencl_get_device_osdev(hwloc_topology_t topology, cl_device_id device)
Get the hwloc OS device object corresponding to OpenCL device device. 
Definition: opencl.h:159
void hwloc_bitmap_copy(hwloc_bitmap_t dst, hwloc_const_bitmap_t src)
Copy the contents of bitmap src into the already allocated bitmap dst. 
int hwloc_bitmap_iszero(hwloc_const_bitmap_t bitmap)
Test whether bitmap bitmap is empty. 
struct hwloc_obj_attr_u::hwloc_osdev_attr_s osdev
int hwloc_linux_parse_cpumap_file(FILE *file, hwloc_cpuset_t set)
Convert a linux kernel cpumap file file into hwloc CPU set. 
Operating system co-processor device. For instance "mic0" for a Xeon Phi (MIC) on Linux...
Definition: hwloc.h:297
hwloc_obj_type_t type
Type of object. 
Definition: hwloc.h:360
static int hwloc_opencl_get_device_cpuset(hwloc_topology_t topology, cl_device_id device, hwloc_cpuset_t set)
Get the CPU set of logical processors that are physically close to OpenCL device device. 
Definition: opencl.h:69
static hwloc_obj_t hwloc_get_next_osdev(hwloc_topology_t topology, hwloc_obj_t prev)
Get the next OS device in the system. 
Definition: helper.h:1252
Structure of a topology object. 
Definition: hwloc.h:358
int hwloc_topology_is_thissystem(hwloc_topology_t restrict topology)
Does the topology context come from this system?