1 files changed, 47 insertions, 0 deletions

diff --git a/softmmu/vl.c b/softmmu/vl.c
index 817d515783..2390c13fb6 100644
--- a/softmmu/vl.c
+++ b/softmmu/vl.c
@@ -93,6 +93,7 @@
 #include "qemu/config-file.h"
 #include "qemu/qemu-options.h"
 #include "qemu/main-loop.h"
+#include "hw/cxl/cxl.h"
 #ifdef CONFIG_VIRTFS
 #include "fsdev/qemu-fsdev.h"
 #endif
@@ -118,6 +119,7 @@
 #include "qapi/qapi-events-run-state.h"
 #include "qapi/qapi-visit-block-core.h"
 #include "qapi/qapi-visit-compat.h"
+#include "qapi/qapi-visit-machine.h"
 #include "qapi/qapi-visit-ui.h"
 #include "qapi/qapi-commands-block-core.h"
 #include "qapi/qapi-commands-migration.h"
@@ -143,6 +145,12 @@ typedef struct BlockdevOptionsQueueEntry {
 
 typedef QSIMPLEQ_HEAD(, BlockdevOptionsQueueEntry) BlockdevOptionsQueue;
 
+typedef struct CXLFMWOptionQueueEntry {
+    CXLFixedMemoryWindowOptions *opts;
+    Location loc;
+    QSIMPLEQ_ENTRY(CXLFMWOptionQueueEntry) entry;
+} CXLFMWOptionQueueEntry;
+
 typedef struct ObjectOption {
     ObjectOptions *opts;
     QTAILQ_ENTRY(ObjectOption) next;
@@ -169,6 +177,8 @@ static int snapshot;
 static bool preconfig_requested;
 static QemuPluginList plugin_list = QTAILQ_HEAD_INITIALIZER(plugin_list);
 static BlockdevOptionsQueue bdo_queue = QSIMPLEQ_HEAD_INITIALIZER(bdo_queue);
+static QSIMPLEQ_HEAD(, CXLFMWOptionQueueEntry) CXLFMW_opts =
+    QSIMPLEQ_HEAD_INITIALIZER(CXLFMW_opts);
 static bool nographic = false;
 static int mem_prealloc; /* force preallocation of physical target memory */
 static const char *vga_model = NULL;
@@ -1153,6 +1163,24 @@ static void parse_display(const char *p)
     }
 }
 
+static void parse_cxl_fixed_memory_window(const char *optarg)
+{
+    CXLFMWOptionQueueEntry *cfmws_entry;
+    Visitor *v;
+
+    v = qobject_input_visitor_new_str(optarg, "cxl-fixed-memory-window",
+                                      &error_fatal);
+    cfmws_entry = g_new(CXLFMWOptionQueueEntry, 1);
+    visit_type_CXLFixedMemoryWindowOptions(v, NULL, &cfmws_entry->opts,
+                                           &error_fatal);
+    if (!cfmws_entry->opts) {
+        exit(1);
+    }
+    visit_free(v);
+    loc_save(&cfmws_entry->loc);
+    QSIMPLEQ_INSERT_TAIL(&CXLFMW_opts, cfmws_entry, entry);
+}
+
 static inline bool nonempty_str(const char *str)
 {
     return str && *str;
@@ -2015,6 +2043,20 @@ static void qemu_create_late_backends(void)
     qemu_semihosting_console_init();
 }
 
+static void cxl_set_opts(void)
+{
+    while (!QSIMPLEQ_EMPTY(&CXLFMW_opts)) {
+        CXLFMWOptionQueueEntry *cfmws_entry = QSIMPLEQ_FIRST(&CXLFMW_opts);
+
+        loc_restore(&cfmws_entry->loc);
+        QSIMPLEQ_REMOVE_HEAD(&CXLFMW_opts, entry);
+        cxl_fixed_memory_window_config(current_machine, cfmws_entry->opts,
+                                       &error_fatal);
+        qapi_free_CXLFixedMemoryWindowOptions(cfmws_entry->opts);
+        g_free(cfmws_entry);
+    }
+}
+
 static void qemu_resolve_machine_memdev(void)
 {
     if (ram_memdev_id) {
@@ -2661,6 +2703,7 @@ void qmp_x_exit_preconfig(Error **errp)
 
     qemu_init_board();
     qemu_create_cli_devices();
+    cxl_fixed_memory_window_link_targets(errp);
     qemu_machine_creation_done();
 
     if (loadvm) {
@@ -2841,6 +2884,9 @@ void qemu_init(int argc, char **argv, char **envp)
                     exit(1);
                 }
                 break;
+            case QEMU_OPTION_cxl_fixed_memory_window:
+                parse_cxl_fixed_memory_window(optarg);
+                break;
             case QEMU_OPTION_display:
                 parse_display(optarg);
                 break;
@@ -3652,6 +3698,7 @@ void qemu_init(int argc, char **argv, char **envp)
 
     qemu_resolve_machine_memdev();
     parse_numa_opts(current_machine);
+    cxl_set_opts();
 
     if (vmstate_dump_file) {
         /* dump and exit */