virtio: let header files include virtio_ids.h

Rusty,

commit 3ca4f5ca73057a617f9444a91022d7127041970a
    virtio: add virtio IDs file
moved all device IDs into a single file. While the change itself is
a very good one, it can break userspace applications. For example
if a userspace tool wanted to get the ID of virtio_net it used to
include virtio_net.h. This does no longer work, since virtio_net.h
does not include virtio_ids.h.
This patch moves all "#include <linux/virtio_ids.h>" from the C
files into the header files, making the header files compatible with
the old ones.

In addition, this patch exports virtio_ids.h to userspace.

CC: Fernando Luis Vazquez Cao <fernando@oss.ntt.co.jp>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>

7 files changed, 7 insertions, 0 deletions

diff --git a/include/linux/Kbuild b/include/linux/Kbuild
index 3f384d4..1feed71 100644
--- a/include/linux/Kbuild
+++ b/include/linux/Kbuild
@@ -364,6 +364,7 @@ unifdef-y += utsname.h
 unifdef-y += videodev2.h
 unifdef-y += videodev.h
 unifdef-y += virtio_config.h
+unifdef-y += virtio_ids.h
 unifdef-y += virtio_blk.h
 unifdef-y += virtio_net.h
 unifdef-y += virtio_9p.h
diff --git a/include/linux/virtio_9p.h b/include/linux/virtio_9p.h
index ea7226a..095e10d 100644
--- a/include/linux/virtio_9p.h
+++ b/include/linux/virtio_9p.h
@@ -2,6 +2,7 @@
 #define _LINUX_VIRTIO_9P_H
 /* This header is BSD licensed so anyone can use the definitions to implement
  * compatible drivers/servers. */
+#include <linux/virtio_ids.h>
 #include <linux/virtio_config.h>
 
 /* Maximum number of virtio channels per partition (1 for now) */
diff --git a/include/linux/virtio_balloon.h b/include/linux/virtio_balloon.h
index 09d7300..1418f04 100644
--- a/include/linux/virtio_balloon.h
+++ b/include/linux/virtio_balloon.h
@@ -2,6 +2,7 @@
 #define _LINUX_VIRTIO_BALLOON_H
 /* This header is BSD licensed so anyone can use the definitions to implement
  * compatible drivers/servers. */
+#include <linux/virtio_ids.h>
 #include <linux/virtio_config.h>
 
 /* The feature bitmap for virtio balloon */
diff --git a/include/linux/virtio_blk.h b/include/linux/virtio_blk.h
index 15cb666..1e19470 100644
--- a/include/linux/virtio_blk.h
+++ b/include/linux/virtio_blk.h
@@ -3,6 +3,7 @@
 /* This header is BSD licensed so anyone can use the definitions to implement
  * compatible drivers/servers. */
 #include <linux/types.h>
+#include <linux/virtio_ids.h>
 #include <linux/virtio_config.h>
 
 /* Feature bits */
diff --git a/include/linux/virtio_console.h b/include/linux/virtio_console.h
index b5f5198..fe88517 100644
--- a/include/linux/virtio_console.h
+++ b/include/linux/virtio_console.h
@@ -1,6 +1,7 @@
 #ifndef _LINUX_VIRTIO_CONSOLE_H
 #define _LINUX_VIRTIO_CONSOLE_H
 #include <linux/types.h>
+#include <linux/virtio_ids.h>
 #include <linux/virtio_config.h>
 /* This header, excluding the #ifdef __KERNEL__ part, is BSD licensed so
  * anyone can use the definitions to implement compatible drivers/servers. */
diff --git a/include/linux/virtio_net.h b/include/linux/virtio_net.h
index 1f41734..085e422 100644
--- a/include/linux/virtio_net.h
+++ b/include/linux/virtio_net.h
@@ -3,6 +3,7 @@
 /* This header is BSD licensed so anyone can use the definitions to implement
  * compatible drivers/servers. */
 #include <linux/types.h>
+#include <linux/virtio_ids.h>
 #include <linux/virtio_config.h>
 #include <linux/if_ether.h>
 
diff --git a/include/linux/virtio_rng.h b/include/linux/virtio_rng.h
index 48121c3..c4d5de8 100644
--- a/include/linux/virtio_rng.h
+++ b/include/linux/virtio_rng.h
@@ -2,6 +2,7 @@
 #define _LINUX_VIRTIO_RNG_H
 /* This header is BSD licensed so anyone can use the definitions to implement
  * compatible drivers/servers. */
+#include <linux/virtio_ids.h>
 #include <linux/virtio_config.h>
 
 #endif /* _LINUX_VIRTIO_RNG_H */