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-rw-r--r--include/qom/cpu.h28
1 files changed, 23 insertions, 5 deletions
diff --git a/include/qom/cpu.h b/include/qom/cpu.h
index 9f597bb0c0..3f79a8e955 100644
--- a/include/qom/cpu.h
+++ b/include/qom/cpu.h
@@ -231,7 +231,25 @@ struct kvm_run;
#define TB_JMP_CACHE_SIZE (1 << TB_JMP_CACHE_BITS)
/* work queue */
-typedef void (*run_on_cpu_func)(CPUState *cpu, void *data);
+
+/* The union type allows passing of 64 bit target pointers on 32 bit
+ * hosts in a single parameter
+ */
+typedef union {
+ int host_int;
+ unsigned long host_ulong;
+ void *host_ptr;
+ vaddr target_ptr;
+} run_on_cpu_data;
+
+#define RUN_ON_CPU_HOST_PTR(p) ((run_on_cpu_data){.host_ptr = (p)})
+#define RUN_ON_CPU_HOST_INT(i) ((run_on_cpu_data){.host_int = (i)})
+#define RUN_ON_CPU_HOST_ULONG(ul) ((run_on_cpu_data){.host_ulong = (ul)})
+#define RUN_ON_CPU_TARGET_PTR(v) ((run_on_cpu_data){.target_ptr = (v)})
+#define RUN_ON_CPU_NULL RUN_ON_CPU_HOST_PTR(NULL)
+
+typedef void (*run_on_cpu_func)(CPUState *cpu, run_on_cpu_data data);
+
struct qemu_work_item;
/**
@@ -637,7 +655,7 @@ bool cpu_is_stopped(CPUState *cpu);
*
* Used internally in the implementation of run_on_cpu.
*/
-void do_run_on_cpu(CPUState *cpu, run_on_cpu_func func, void *data,
+void do_run_on_cpu(CPUState *cpu, run_on_cpu_func func, run_on_cpu_data data,
QemuMutex *mutex);
/**
@@ -648,7 +666,7 @@ void do_run_on_cpu(CPUState *cpu, run_on_cpu_func func, void *data,
*
* Schedules the function @func for execution on the vCPU @cpu.
*/
-void run_on_cpu(CPUState *cpu, run_on_cpu_func func, void *data);
+void run_on_cpu(CPUState *cpu, run_on_cpu_func func, run_on_cpu_data data);
/**
* async_run_on_cpu:
@@ -658,7 +676,7 @@ void run_on_cpu(CPUState *cpu, run_on_cpu_func func, void *data);
*
* Schedules the function @func for execution on the vCPU @cpu asynchronously.
*/
-void async_run_on_cpu(CPUState *cpu, run_on_cpu_func func, void *data);
+void async_run_on_cpu(CPUState *cpu, run_on_cpu_func func, run_on_cpu_data data);
/**
* async_safe_run_on_cpu:
@@ -672,7 +690,7 @@ void async_run_on_cpu(CPUState *cpu, run_on_cpu_func func, void *data);
* Unlike run_on_cpu and async_run_on_cpu, the function is run outside the
* BQL.
*/
-void async_safe_run_on_cpu(CPUState *cpu, run_on_cpu_func func, void *data);
+void async_safe_run_on_cpu(CPUState *cpu, run_on_cpu_func func, run_on_cpu_data data);
/**
* qemu_get_cpu: