User level change to add callback to reset kernel devices. thx,eddie
Add user reset callback support for kernel devices.
Signed-off-by: Yaozu (Eddie) Dong <[EMAIL PROTECTED]>
diff --git a/qemu/hw/pc.c b/qemu/hw/pc.c
index 4d0bb93..d81e7e1 100644
--- a/qemu/hw/pc.c
+++ b/qemu/hw/pc.c
@@ -721,6 +721,10 @@ static void pc_init1(ram_addr_t ram_size, int
vga_ram_size, int boot_device,
vmport_init(env);
}
+#ifdef USE_KVM
+ if (kvm_allowed && kvm_irqchip_in_kernel(kvm_context))
+ qemu_register_reset(kvm_reset_kernel, kvm_context);
+#endif
/* allocate RAM */
ram_addr = qemu_ram_alloc(ram_size);
cpu_register_physical_memory(0, ram_size, ram_addr);
diff --git a/user/kvmctl.c b/user/kvmctl.c
index eeddb54..e1a4afb 100644
--- a/user/kvmctl.c
+++ b/user/kvmctl.c
@@ -1240,3 +1240,10 @@ int kvm_irqchip_in_kernel(kvm_context_t kvm)
{
return kvm->irqchip_in_kernel;
}
+
+void kvm_reset_kernel(kvm_context_t kvm)
+{
+ if (kvm_irqchip_in_kernel(kvm))
+ return ioctl(kvm->vm_fd, KVM_RESET, 0);
+}
+
diff --git a/user/kvmctl.h b/user/kvmctl.h
index 09cf6d7..9f56027 100644
--- a/user/kvmctl.h
+++ b/user/kvmctl.h
@@ -453,6 +453,13 @@ int kvm_dirty_pages_log_enable_all(kvm_context_t
kvm);
int kvm_dirty_pages_log_reset(kvm_context_t kvm);
/*!
+ * \brief Reset kernel devices.
+ *
+ * \param kvm Pointer to the current kvm_context
+ */
+void kvm_reset_kernel(kvm_context_t kvm);
+
+/*!
* \brief Query whether in kernel irqchip is used
*
* \param kvm Pointer to the current kvm_context
reset-u1.patch
Description: reset-u1.patch
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