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Add CTL handler to level zero provider #1436

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Jul 14, 2025
Merged

Add CTL handler to level zero provider #1436

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39 changes: 34 additions & 5 deletions src/provider/provider_level_zero.c
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Original file line number Diff line number Diff line change
Expand Up @@ -14,6 +14,7 @@
#include <umf/memory_provider_ops.h>
#include <umf/providers/provider_level_zero.h>

#include "provider_ctl_stats_type.h"
#include "provider_level_zero_internal.h"
#include "utils_load_library.h"
#include "utils_log.h"
Expand Down Expand Up @@ -73,6 +74,8 @@ typedef struct ze_memory_provider_t {
size_t min_page_size;

uint32_t device_ordinal;

ctl_stats_t stats;
} ze_memory_provider_t;

typedef struct ze_ops_t {
Expand Down Expand Up @@ -115,6 +118,16 @@ static void store_last_native_error(int32_t native_error) {
TLS_last_native_error = native_error;
}

#define CTL_PROVIDER_TYPE ze_memory_provider_t
#include "provider_ctl_stats_impl.h"

struct ctl ze_memory_ctl_root;
static UTIL_ONCE_FLAG ctl_initialized = UTIL_ONCE_FLAG_INIT;

static void initialize_ze_ctl(void) {
CTL_REGISTER_MODULE(&ze_memory_ctl_root, stats);
}

static umf_result_t ze2umf_result(ze_result_t result) {
switch (result) {
case ZE_RESULT_SUCCESS:
Expand Down Expand Up @@ -429,13 +442,13 @@ static umf_result_t ze_memory_provider_alloc(void *provider, size_t size,
}
}

return ze2umf_result(ze_result);
provider_ctl_stats_alloc(ze_provider, size);

return UMF_RESULT_SUCCESS;
}

static umf_result_t ze_memory_provider_free(void *provider, void *ptr,
size_t bytes) {
(void)bytes;

if (ptr == NULL) {
return UMF_RESULT_SUCCESS;
}
Expand All @@ -451,8 +464,15 @@ static umf_result_t ze_memory_provider_free(void *provider, void *ptr,
.pNext = NULL,
.freePolicy = ze_provider->freePolicyFlags};

return ze2umf_result(
g_ze_ops.zeMemFreeExt(ze_provider->context, &desc, ptr));
umf_result_t ret =
ze2umf_result(g_ze_ops.zeMemFreeExt(ze_provider->context, &desc, ptr));
if (ret != UMF_RESULT_SUCCESS) {
return ret;
}

provider_ctl_stats_free(ze_provider, bytes);

return UMF_RESULT_SUCCESS;
}

static umf_result_t query_min_page_size(ze_memory_provider_t *ze_provider,
Expand Down Expand Up @@ -790,6 +810,14 @@ ze_memory_provider_close_ipc_handle(void *provider, void *ptr, size_t size) {
return UMF_RESULT_SUCCESS;
}

static umf_result_t ze_ctl(void *provider, int operationType, const char *name,
void *arg, size_t size,
umf_ctl_query_type_t query_type) {
utils_init_once(&ctl_initialized, initialize_ze_ctl);
return ctl_query(&ze_memory_ctl_root, provider, operationType, name,
query_type, arg, size);
}

static umf_memory_provider_ops_t UMF_LEVEL_ZERO_MEMORY_PROVIDER_OPS = {
.version = UMF_PROVIDER_OPS_VERSION_CURRENT,
.initialize = ze_memory_provider_initialize,
Expand All @@ -809,6 +837,7 @@ static umf_memory_provider_ops_t UMF_LEVEL_ZERO_MEMORY_PROVIDER_OPS = {
.ext_put_ipc_handle = ze_memory_provider_put_ipc_handle,
.ext_open_ipc_handle = ze_memory_provider_open_ipc_handle,
.ext_close_ipc_handle = ze_memory_provider_close_ipc_handle,
.ext_ctl = ze_ctl,
};

const umf_memory_provider_ops_t *umfLevelZeroMemoryProviderOps(void) {
Expand Down
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