diff options
| author | Peter Maydell <peter.maydell@linaro.org> | 2016-07-04 17:06:17 +0100 |
|---|---|---|
| committer | Riku Voipio <riku.voipio@linaro.org> | 2016-07-19 15:22:33 +0300 |
| commit | 884cdc48a98fca7d758a5934af526cd1fcedcc9e (patch) | |
| tree | 1e7e24477303fddcc8c875c11db3c8380b333898 | |
| parent | c815701e8169d25ae6f84183f4b593b9335a9798 (diff) | |
| download | qemu-884cdc48a98fca7d758a5934af526cd1fcedcc9e.tar.gz | |
linux-user: Add loop control ioctls
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 <peter.maydell@linaro.org>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
| -rw-r--r-- | linux-user/ioctls.h | 4 | ||||
| -rw-r--r-- | linux-user/linux_loop.h | 11 | ||||
| -rw-r--r-- | linux-user/syscall_defs.h | 4 |
3 files changed, 18 insertions, 1 deletions
diff --git a/linux-user/ioctls.h b/linux-user/ioctls.h index e672655100..abff6b6e7d 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 1f52403814..c69fea11e4 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 b43966ece0..096f91ce83 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 |