From 919642f72199dc7465c4be6515bd86700f0a9512 Mon Sep 17 00:00:00 2001
From: German Andryeyev <56892148+gandryey@users.noreply.github.com>
Date: Wed, 19 Nov 2025 18:26:23 -0500
Subject: [PATCH] rocr: Expose PM4 emulation in the agent info (#1869)

Native AQL path in Windows requires extra logic, which has a conflict
with the implementation of Pm4 emulation and needs a detection in the client.
---
 .../runtime/hsa-runtime/core/runtime/amd_gpu_agent.cpp      | 3 +++
 projects/rocr-runtime/runtime/hsa-runtime/inc/hsa_ext_amd.h | 6 +++++-
 2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/projects/rocr-runtime/runtime/hsa-runtime/core/runtime/amd_gpu_agent.cpp b/projects/rocr-runtime/runtime/hsa-runtime/core/runtime/amd_gpu_agent.cpp
index 08842cb75e..88e8065a44 100644
--- a/projects/rocr-runtime/runtime/hsa-runtime/core/runtime/amd_gpu_agent.cpp
+++ b/projects/rocr-runtime/runtime/hsa-runtime/core/runtime/amd_gpu_agent.cpp
@@ -1710,6 +1710,9 @@ hsa_status_t GpuAgent::GetInfo(hsa_agent_info_t attribute, void* value) const {
       }
       return HSA_STATUS_ERROR;
     }
+    case HSA_AMD_AGENT_INFO_PM4_EMULATION:
+      *((bool*)value) = properties_.Capability2.ui32.AqlEmulationPm4_;
+      break;
     default:
       return HSA_STATUS_ERROR_INVALID_ARGUMENT;
       break;
diff --git a/projects/rocr-runtime/runtime/hsa-runtime/inc/hsa_ext_amd.h b/projects/rocr-runtime/runtime/hsa-runtime/inc/hsa_ext_amd.h
index 18c9d4e45f..b1c5e8e67b 100644
--- a/projects/rocr-runtime/runtime/hsa-runtime/inc/hsa_ext_amd.h
+++ b/projects/rocr-runtime/runtime/hsa-runtime/inc/hsa_ext_amd.h
@@ -705,7 +705,11 @@ typedef enum hsa_amd_agent_info_s {
    * Queries the driver for clock counters of the agent.
    * The type of this attribute is hsa_amd_clock_counters_t.
    */
-  HSA_AMD_AGENT_INFO_CLOCK_COUNTERS = 0xA118
+  HSA_AMD_AGENT_INFO_CLOCK_COUNTERS = 0xA118,
+  /**
+   * The agent uses PM4 emulation mode.
+   */
+  HSA_AMD_AGENT_INFO_PM4_EMULATION = 0xA119
 } hsa_amd_agent_info_t;
 
 /**