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 <CL/cl_ext.h> 63 static __hwloc_inline
int 65 cl_device_id device __hwloc_attribute_unused,
68 #if (defined HWLOC_LINUX_SYS) && (defined CL_DEVICE_TOPOLOGY_AMD) 70 #define HWLOC_OPENCL_DEVICE_SYSFS_PATH_MAX 128 71 char path[HWLOC_OPENCL_DEVICE_SYSFS_PATH_MAX];
72 cl_device_topology_amd amdtopo;
80 clret = clGetDeviceInfo(device, CL_DEVICE_TOPOLOGY_AMD,
sizeof(amdtopo), &amdtopo, NULL);
81 if (CL_SUCCESS != clret) {
85 if (CL_DEVICE_TOPOLOGY_TYPE_PCIE_AMD != amdtopo.raw.type) {
90 sprintf(path,
"/sys/bus/pci/devices/0000:%02x:%02x.%01x/local_cpus",
91 (
unsigned) amdtopo.pcie.bus, (
unsigned) amdtopo.pcie.device, (
unsigned) amdtopo.pcie.function);
119 unsigned platform_index,
unsigned device_index)
121 unsigned x = (unsigned) -1, y = (
unsigned) -1;
126 && sscanf(osdev->
name,
"opencl%ud%u", &x, &y) == 2
127 && platform_index == x && device_index == y)
155 cl_device_id device __hwloc_attribute_unused)
157 #ifdef CL_DEVICE_TOPOLOGY_AMD 159 cl_device_topology_amd amdtopo;
162 clret = clGetDeviceInfo(device, CL_DEVICE_TOPOLOGY_AMD,
sizeof(amdtopo), &amdtopo, NULL);
163 if (CL_SUCCESS != clret) {
167 if (CL_DEVICE_TOPOLOGY_TYPE_PCIE_AMD != amdtopo.raw.type) {
175 if (strncmp(osdev->
name,
"opencl", 6))
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.
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 short domain
Definition: hwloc.h:576
int hwloc_topology_is_thissystem(hwloc_topology_t restrict topology)
Does the topology context come from this system?
struct hwloc_topology * hwloc_topology_t
Topology context.
Definition: hwloc.h:626
hwloc_const_cpuset_t hwloc_topology_get_complete_cpuset(hwloc_topology_t topology)
Get complete CPU set.
hwloc_obj_osdev_type_t type
Definition: hwloc.h:600
Operating system co-processor device. For instance "mic0" for a Xeon Phi (MIC) on Linux...
Definition: hwloc.h:302
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:118
unsigned char func
Definition: hwloc.h:577
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:1106
struct hwloc_obj_attr_u::hwloc_osdev_attr_s osdev
union hwloc_obj_attr_u * attr
Object type-specific Attributes, may be NULL if no attribute value was found.
Definition: hwloc.h:366
PCI device (filtered out by default). They are not added to the topology unless I/O discovery is enab...
Definition: hwloc.h:246
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:64
int hwloc_bitmap_iszero(hwloc_const_bitmap_t bitmap)
Test whether bitmap bitmap is empty.
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:135
Structure of a topology object.
Definition: hwloc.h:347
char * name
Object-specific name if any. Mostly used for identifying OS devices and Misc objects where a name str...
Definition: hwloc.h:359
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:154
hwloc_obj_type_t type
Type of object.
Definition: hwloc.h:349
struct hwloc_obj_attr_u::hwloc_pcidev_attr_s pcidev
unsigned char bus
Definition: hwloc.h:577
unsigned char dev
Definition: hwloc.h:577
struct hwloc_obj * parent
Parent, NULL if root (Machine object)
Definition: hwloc.h:397