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Hardware Locality (hwloc)
PR-737-20250925.0822.gite8f69c77f
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14 #ifndef HWLOC_LEVELZERO_H
15 #define HWLOC_LEVELZERO_H
18 #include "hwloc/autogen/config.h"
19 #include "hwloc/helper.h"
20 #ifdef HWLOC_LINUX_SYS
21 #include "hwloc/linux.h"
24 #include <level_zero/ze_api.h>
25 #include <level_zero/zes_api.h>
66 static __hwloc_inline
int
70 #ifdef HWLOC_LINUX_SYS
72 #define HWLOC_LEVELZERO_DEVICE_SYSFS_PATH_MAX 128
73 char path[HWLOC_LEVELZERO_DEVICE_SYSFS_PATH_MAX];
74 ze_pci_ext_properties_t pci;
82 pci.stype = ZE_STRUCTURE_TYPE_PCI_EXT_PROPERTIES;
84 res = zeDevicePciGetPropertiesExt(device, &pci);
85 if (res != ZE_RESULT_SUCCESS) {
90 sprintf(path,
"/sys/bus/pci/devices/%04x:%02x:%02x.%01x/local_cpus",
91 pci.address.domain, pci.address.bus, pci.address.device, pci.address.function);
124 static __hwloc_inline
int
128 #ifdef HWLOC_LINUX_SYS
130 #define HWLOC_LEVELZERO_DEVICE_SYSFS_PATH_MAX 128
131 char path[HWLOC_LEVELZERO_DEVICE_SYSFS_PATH_MAX];
132 zes_pci_properties_t pci;
140 res = zesDevicePciGetProperties(device, &pci);
141 if (res != ZE_RESULT_SUCCESS) {
146 sprintf(path,
"/sys/bus/pci/devices/%04x:%02x:%02x.%01x/local_cpus",
147 pci.address.domain, pci.address.bus, pci.address.device, pci.address.function);
182 ze_pci_ext_properties_t pci;
191 pci.stype = ZE_STRUCTURE_TYPE_PCI_EXT_PROPERTIES;
193 res = zeDevicePciGetPropertiesExt(device, &pci);
194 if (res != ZE_RESULT_SUCCESS) {
203 if (strncmp(osdev->
name,
"ze", 2))
249 zes_pci_properties_t pci;
258 res = zesDevicePciGetProperties(device, &pci);
259 if (res != ZE_RESULT_SUCCESS) {
268 if (strncmp(osdev->
name,
"ze", 2))
int hwloc_bitmap_iszero(hwloc_const_bitmap_t bitmap)
Test whether bitmap bitmap is empty.
Structure of a topology object.
Definition: hwloc.h:488
struct hwloc_topology * hwloc_topology_t
Topology context.
Definition: hwloc.h:778
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.
unsigned char dev
Device number (zz in the PCI BDF notation xxxx:yy:zz.t).
Definition: hwloc.h:727
unsigned char bus
Bus number (yy in the PCI BDF notation xxxx:yy:zz.t).
Definition: hwloc.h:726
struct hwloc_obj * parent
Parent, NULL if root (Machine object)
Definition: hwloc.h:538
hwloc_const_cpuset_t hwloc_topology_get_complete_cpuset(hwloc_topology_t topology)
Get complete CPU set.
int hwloc_levelzero_get_device_cpuset(hwloc_topology_t topology, ze_device_handle_t device, hwloc_cpuset_t set)
Get the CPU set of logical processors that are physically close to the Level Zero device device.
Definition: levelzero.h:67
union hwloc_obj_attr_u * attr
Object type-specific Attributes, may be NULL if no attribute value was found.
Definition: hwloc.h:507
char * name
Object-specific name if any. Mostly used for identifying OS devices and Misc objects where a name str...
Definition: hwloc.h:500
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:162
unsigned int domain
Domain number (xxxx in the PCI BDF notation xxxx:yy:zz.t).
Definition: hwloc.h:725
@ HWLOC_OBJ_PCI_DEVICE
PCI device (filtered out by default).
Definition: hwloc.h:320
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.
int hwloc_levelzero_get_sysman_device_cpuset(hwloc_topology_t topology, zes_device_handle_t device, hwloc_cpuset_t set)
Get the CPU set of logical processors that are physically close to the Level Zero Sysman device devic...
Definition: levelzero.h:125
hwloc_obj_t hwloc_levelzero_get_device_osdev(hwloc_topology_t topology, ze_device_handle_t device)
Get the hwloc OS device object corresponding to Level Zero device device.
Definition: levelzero.h:180
unsigned char func
Function number (t in the PCI BDF notation xxxx:yy:zz.t).
Definition: hwloc.h:728
struct hwloc_obj_attr_u::hwloc_pcidev_attr_s pcidev
hwloc_obj_type_t type
Type of object.
Definition: hwloc.h:490
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:1291
hwloc_obj_t hwloc_levelzero_get_sysman_device_osdev(hwloc_topology_t topology, zes_device_handle_t device)
Get the hwloc OS device object corresponding to Level Zero Sysman device device.
Definition: levelzero.h:247
int hwloc_topology_is_thissystem(hwloc_topology_t restrict topology)
Does the topology context come from this system?