1 files changed, 32 insertions, 1 deletions

diff --git a/hw/cxl/cxl-events.c b/hw/cxl/cxl-events.c
index 5da1b76b97..d161d57456 100644
--- a/hw/cxl/cxl-events.c
+++ b/hw/cxl/cxl-events.c
@@ -13,6 +13,8 @@
 #include "qemu/bswap.h"
 #include "qemu/typedefs.h"
 #include "qemu/error-report.h"
+#include "hw/pci/msi.h"
+#include "hw/pci/msix.h"
 #include "hw/cxl/cxl.h"
 #include "hw/cxl/cxl_events.h"
 
@@ -26,7 +28,7 @@ static void reset_overflow(CXLEventLog *log)
     log->last_overflow_timestamp = 0;
 }
 
-void cxl_event_init(CXLDeviceState *cxlds)
+void cxl_event_init(CXLDeviceState *cxlds, int start_msg_num)
 {
     CXLEventLog *log;
     int i;
@@ -37,9 +39,16 @@ void cxl_event_init(CXLDeviceState *cxlds)
         log->overflow_err_count = 0;
         log->first_overflow_timestamp = 0;
         log->last_overflow_timestamp = 0;
+        log->irq_enabled = false;
+        log->irq_vec = start_msg_num++;
         qemu_mutex_init(&log->lock);
         QSIMPLEQ_INIT(&log->events);
     }
+
+    /* Override -- Dynamic Capacity uses the same vector as info */
+    cxlds->event_logs[CXL_EVENT_TYPE_DYNAMIC_CAP].irq_vec =
+                      cxlds->event_logs[CXL_EVENT_TYPE_INFO].irq_vec;
+
 }
 
 static CXLEvent *cxl_event_get_head(CXLEventLog *log)
@@ -215,3 +224,25 @@ CXLRetCode cxl_event_clear_records(CXLDeviceState *cxlds, CXLClearEventPayload *
 
     return CXL_MBOX_SUCCESS;
 }
+
+void cxl_event_irq_assert(CXLType3Dev *ct3d)
+{
+    CXLDeviceState *cxlds = &ct3d->cxl_dstate;
+    PCIDevice *pdev = &ct3d->parent_obj;
+    int i;
+
+    for (i = 0; i < CXL_EVENT_TYPE_MAX; i++) {
+        CXLEventLog *log = &cxlds->event_logs[i];
+
+        if (!log->irq_enabled || cxl_event_empty(log)) {
+            continue;
+        }
+
+        /*  Notifies interrupt, legacy IRQ is not supported */
+        if (msix_enabled(pdev)) {
+            msix_notify(pdev, log->irq_vec);
+        } else if (msi_enabled(pdev)) {
+            msi_notify(pdev, log->irq_vec);
+        }
+    }
+}