firewire: Implement deallocation of address ranges.

Signed-off-by: Kristian Høgsberg <krh@redhat.com>
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>

1 files changed, 11 insertions, 6 deletions

diff --git a/drivers/firewire/fw-device-cdev.h b/drivers/firewire/fw-device-cdev.h
index 3437a360d7dc..10b83222db69 100644
--- a/drivers/firewire/fw-device-cdev.h
+++ b/drivers/firewire/fw-device-cdev.h
@@ -113,12 +113,13 @@ struct fw_cdev_event_iso_interrupt {
 #define FW_CDEV_IOC_GET_INFO            _IO('#', 0x00)
 #define FW_CDEV_IOC_SEND_REQUEST        _IO('#', 0x01)
 #define FW_CDEV_IOC_ALLOCATE            _IO('#', 0x02)
-#define FW_CDEV_IOC_SEND_RESPONSE       _IO('#', 0x03)
-#define FW_CDEV_IOC_INITIATE_BUS_RESET  _IO('#', 0x04)
-#define FW_CDEV_IOC_CREATE_ISO_CONTEXT  _IO('#', 0x05)
-#define FW_CDEV_IOC_QUEUE_ISO           _IO('#', 0x06)
-#define FW_CDEV_IOC_START_ISO           _IO('#', 0x07)
-#define FW_CDEV_IOC_STOP_ISO            _IO('#', 0x08)
+#define FW_CDEV_IOC_DEALLOCATE          _IO('#', 0x03)
+#define FW_CDEV_IOC_SEND_RESPONSE       _IO('#', 0x04)
+#define FW_CDEV_IOC_INITIATE_BUS_RESET  _IO('#', 0x05)
+#define FW_CDEV_IOC_CREATE_ISO_CONTEXT  _IO('#', 0x06)
+#define FW_CDEV_IOC_QUEUE_ISO           _IO('#', 0x07)
+#define FW_CDEV_IOC_START_ISO           _IO('#', 0x08)
+#define FW_CDEV_IOC_STOP_ISO            _IO('#', 0x09)
 
 /* FW_CDEV_VERSION History
  *
@@ -173,6 +174,10 @@ struct fw_cdev_allocate {
         __u32 length;
 };
 
+struct fw_cdev_deallocate {
+        __u64 offset;
+};
+
 #define FW_CDEV_LONG_RESET      0
 #define FW_CDEV_SHORT_RESET     1