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>    45 #define HWLOC_CL_DEVICE_TOPOLOGY_AMD 0x4037    47     struct { cl_uint 
type; cl_uint data[5]; } raw;
    48     struct { cl_uint type; cl_char unused[17]; cl_char bus; cl_char device; cl_char 
function; } pcie;
    50 #define HWLOC_CL_DEVICE_TOPOLOGY_TYPE_PCIE_AMD 1    53 #define HWLOC_CL_DEVICE_PCI_BUS_ID_NV 0x4008    54 #define HWLOC_CL_DEVICE_PCI_SLOT_ID_NV 0x4009    72 static __hwloc_inline 
int    74                                unsigned *domain, 
unsigned *bus, 
unsigned *dev, 
unsigned *func)
    77         cl_uint nvbus, nvslot;
    80         clret = clGetDeviceInfo(device, HWLOC_CL_DEVICE_TOPOLOGY_AMD, 
sizeof(amdtopo), &amdtopo, NULL);
    81         if (CL_SUCCESS == clret
    82             && HWLOC_CL_DEVICE_TOPOLOGY_TYPE_PCIE_AMD == amdtopo.
raw.
type) {
    84                 *bus = (unsigned) amdtopo.
pcie.
bus;
    90         clret = clGetDeviceInfo(device, HWLOC_CL_DEVICE_PCI_BUS_ID_NV, 
sizeof(nvbus), &nvbus, NULL);
    91         if (CL_SUCCESS == clret) {
    92                 clret = clGetDeviceInfo(device, HWLOC_CL_DEVICE_PCI_SLOT_ID_NV, 
sizeof(nvslot), &nvslot, NULL);
    93                 if (CL_SUCCESS == clret) {
   124 static __hwloc_inline 
int   126                                cl_device_id device __hwloc_attribute_unused,
   129 #if (defined HWLOC_LINUX_SYS)   131 #define HWLOC_OPENCL_DEVICE_SYSFS_PATH_MAX 128   132         char path[HWLOC_OPENCL_DEVICE_SYSFS_PATH_MAX];
   133         unsigned pcidomain, pcibus, pcidev, pcifunc;
   145         sprintf(path, 
"/sys/bus/pci/devices/%04x:%02x:%02x.%01x/local_cpus", pcidomain, pcibus, pcidev, pcifunc);
   173                                        unsigned platform_index, 
unsigned device_index)
   175         unsigned x = (unsigned) -1, y = (
unsigned) -1;
   180                     && sscanf(osdev->
name, 
"opencl%ud%u", &x, &y) == 2
   181                     && platform_index == x && device_index == y)
   209                               cl_device_id device __hwloc_attribute_unused)
   212         unsigned pcidomain, pcibus, pcidevice, pcifunc;
   222                 if (strncmp(osdev->
name, 
"opencl", 6))
 struct hwloc_obj * parent
Parent, NULL if root (Machine object) 
Definition: hwloc.h:431
unsigned char func
Definition: hwloc.h:618
cl_char device
Definition: opencl.h:48
cl_char function
Definition: opencl.h:48
Operating system co-processor device. For instance "mic0" for a Xeon Phi (MIC) on Linux...
Definition: hwloc.h:336
struct hwloc_obj_attr_u::hwloc_pcidev_attr_s pcidev
int hwloc_bitmap_copy(hwloc_bitmap_t dst, hwloc_const_bitmap_t src)
Copy the contents of bitmap src into the already allocated bitmap dst. 
unsigned char dev
Definition: hwloc.h:618
Structure of a topology object. 
Definition: hwloc.h:381
int hwloc_topology_is_thissystem(hwloc_topology_t restrict topology)
Does the topology context come from this system? 
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:1129
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:125
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:172
struct hwloc_obj_attr_u::hwloc_osdev_attr_s osdev
PCI device (filtered out by default). They are not added to the topology unless I/O discovery is enab...
Definition: hwloc.h:262
struct hwloc_cl_device_topology_amd::@3 raw
char * name
Object-specific name if any. Mostly used for identifying OS devices and Misc objects where a name str...
Definition: hwloc.h:393
int hwloc_linux_read_path_as_cpumask(const char *path, hwloc_bitmap_t set)
Convert a linux kernel cpumask file path into a hwloc bitmap set. 
static int hwloc_opencl_get_device_pci_busid(cl_device_id device, unsigned *domain, unsigned *bus, unsigned *dev, unsigned *func)
Return the domain, bus and device IDs of the OpenCL device device. 
Definition: opencl.h:73
cl_char bus
Definition: opencl.h:48
struct hwloc_topology * hwloc_topology_t
Topology context. 
Definition: hwloc.h:667
cl_uint type
Definition: opencl.h:47
struct hwloc_cl_device_topology_amd::@4 pcie
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:140
union hwloc_obj_attr_u * attr
Object type-specific Attributes, may be NULL if no attribute value was found. 
Definition: hwloc.h:400
unsigned short domain
Definition: hwloc.h:617
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 deviceX. 
Definition: opencl.h:208
unsigned char bus
Definition: hwloc.h:618
hwloc_obj_type_t type
Type of object. 
Definition: hwloc.h:383
hwloc_const_cpuset_t hwloc_topology_get_complete_cpuset(hwloc_topology_t topology)
Get complete CPU set. 
int hwloc_bitmap_iszero(hwloc_const_bitmap_t bitmap)
Test whether bitmap bitmap is empty. 
hwloc_obj_osdev_type_t type
Definition: hwloc.h:641