[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Qemu-devel] [PULL 07/16] linux-user: Add loop control ioctls
From: |
riku . voipio |
Subject: |
[Qemu-devel] [PULL 07/16] linux-user: Add loop control ioctls |
Date: |
Tue, 19 Jul 2016 15:54:05 +0300 |
From: Peter Maydell <address@hidden>
Add support for the /dev/loop-control ioctls:
LOOP_CTL_ADD
LOOP_CTL_REMOVE
LOOP_CTL_GET_FREE
[RV: fixed to apply to new header guards]
Signed-off-by: Peter Maydell <address@hidden>
Reviewed-by: Laurent Vivier <address@hidden>
Signed-off-by: Riku Voipio <address@hidden>
---
linux-user/ioctls.h | 4 ++++
linux-user/linux_loop.h | 11 ++++++++++-
linux-user/syscall_defs.h | 4 ++++
3 files changed, 18 insertions(+), 1 deletion(-)
diff --git a/linux-user/ioctls.h b/linux-user/ioctls.h
index e672655..abff6b6 100644
--- a/linux-user/ioctls.h
+++ b/linux-user/ioctls.h
@@ -327,6 +327,10 @@
IOCTL(LOOP_GET_STATUS64, IOC_W, MK_PTR(MK_STRUCT(STRUCT_loop_info64)))
IOCTL(LOOP_CHANGE_FD, 0, TYPE_INT)
+ IOCTL(LOOP_CTL_ADD, 0, TYPE_INT)
+ IOCTL(LOOP_CTL_REMOVE, 0, TYPE_INT)
+ IOCTL(LOOP_CTL_GET_FREE, 0, TYPE_NULL)
+
IOCTL(MTIOCTOP, IOC_W, MK_PTR(MK_STRUCT(STRUCT_mtop)))
IOCTL(MTIOCGET, IOC_R, MK_PTR(MK_STRUCT(STRUCT_mtget)))
IOCTL(MTIOCPOS, IOC_R, MK_PTR(MK_STRUCT(STRUCT_mtpos)))
diff --git a/linux-user/linux_loop.h b/linux-user/linux_loop.h
index 1f52403..c69fea1 100644
--- a/linux-user/linux_loop.h
+++ b/linux-user/linux_loop.h
@@ -1,4 +1,6 @@
-/* Copied from 2.6.25 kernel headers to avoid problems on older hosts. */
+/* Copied from 2.6.25 kernel headers to avoid problems on older hosts,
+ * and subsequently updated to match newer additions to the API.
+ */
#ifndef LINUX_LOOP_H
#define LINUX_LOOP_H
@@ -92,5 +94,12 @@ struct loop_info64 {
#define LOOP_SET_STATUS64 0x4C04
#define LOOP_GET_STATUS64 0x4C05
#define LOOP_CHANGE_FD 0x4C06
+#define LOOP_SET_CAPACITY 0x4C07
+#define LOOP_SET_DIRECT_IO 0x4C08
+
+/* /dev/loop-control interface */
+#define LOOP_CTL_ADD 0x4C80
+#define LOOP_CTL_REMOVE 0x4C81
+#define LOOP_CTL_GET_FREE 0x4C82
#endif
diff --git a/linux-user/syscall_defs.h b/linux-user/syscall_defs.h
index b43966e..096f91c 100644
--- a/linux-user/syscall_defs.h
+++ b/linux-user/syscall_defs.h
@@ -1117,6 +1117,10 @@ struct target_pollfd {
#define TARGET_LOOP_GET_STATUS64 0x4C05
#define TARGET_LOOP_CHANGE_FD 0x4C06
+#define TARGET_LOOP_CTL_ADD 0x4C80
+#define TARGET_LOOP_CTL_REMOVE 0x4C81
+#define TARGET_LOOP_CTL_GET_FREE 0x4C82
+
/* fb ioctls */
#define TARGET_FBIOGET_VSCREENINFO 0x4600
#define TARGET_FBIOPUT_VSCREENINFO 0x4601
--
2.1.4
- [Qemu-devel] [PULL 00/16] linux-user before 2.7 hardfreeze, riku . voipio, 2016/07/19
- [Qemu-devel] [PULL 03/16] linux-user: add fd_trans helper in do_recvfrom(), riku . voipio, 2016/07/19
- [Qemu-devel] [PULL 01/16] linux-user: fd_trans_*_data() returns the length, riku . voipio, 2016/07/19
- [Qemu-devel] [PULL 04/16] linux-user: convert sockaddr_ll from host to target, riku . voipio, 2016/07/19
- [Qemu-devel] [PULL 02/16] linux-user: fix netlink memory corruption, riku . voipio, 2016/07/19
- [Qemu-devel] [PULL 06/16] linux-user: Check sigsetsize argument to syscalls, riku . voipio, 2016/07/19
- [Qemu-devel] [PULL 07/16] linux-user: Add loop control ioctls,
riku . voipio <=
- [Qemu-devel] [PULL 08/16] linux-user: Correct type for BLKSSZGET, riku . voipio, 2016/07/19
- [Qemu-devel] [PULL 10/16] linux-user: Forget about synchronous signal once it is delivered, riku . voipio, 2016/07/19
- [Qemu-devel] [PULL 05/16] linux-user: add nested netlink types, riku . voipio, 2016/07/19
- [Qemu-devel] [PULL 11/16] linux-user: Handle short lengths in host_to_target_sockaddr(), riku . voipio, 2016/07/19
- [Qemu-devel] [PULL 09/16] linux-user: Correct type for LOOP_GET_STATUS{, 64} ioctls, riku . voipio, 2016/07/19
- [Qemu-devel] [PULL 12/16] linux-user: Add some new blk ioctls, riku . voipio, 2016/07/19
- [Qemu-devel] [PULL 13/16] TIOCGPTN and related terminal control ioctls were not converted to the guest ioctl format on x86_64 targets. Convert these ioctls to enable terminal functionality on x86_64 guests., riku . voipio, 2016/07/19
- [Qemu-devel] [PULL 15/16] linux-user: Fix type for SIOCATMARK ioctl, riku . voipio, 2016/07/19
- [Qemu-devel] [PULL 14/16] linux-user: define missing sparc syscalls, riku . voipio, 2016/07/19
- [Qemu-devel] [PULL 16/16] linux-user: AArch64 has sync_file_range, not sync_file_range2, riku . voipio, 2016/07/19