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[PATCH] linux-user: implement more loop ioctls
From: |
Andreas Schwab |
Subject: |
[PATCH] linux-user: implement more loop ioctls |
Date: |
Mon, 22 Nov 2021 15:18:55 +0100 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/27.1 (gnu/linux) |
LOOP_CONFIGURE is now used by losetup, and it cannot cope with ENOSYS.
Signed-off-by: Andreas Schwab <schwab@suse.de>
---
linux-user/ioctls.h | 4 ++++
linux-user/linux_loop.h | 2 ++
linux-user/syscall_defs.h | 4 ++++
linux-user/syscall_types.h | 6 ++++++
4 files changed, 16 insertions(+)
diff --git a/linux-user/ioctls.h b/linux-user/ioctls.h
index 7193c3b226..5ac5efc8aa 100644
--- a/linux-user/ioctls.h
+++ b/linux-user/ioctls.h
@@ -637,6 +637,10 @@
IOCTL(LOOP_SET_STATUS64, IOC_W, MK_PTR(MK_STRUCT(STRUCT_loop_info64)))
IOCTL(LOOP_GET_STATUS64, IOC_R, MK_PTR(MK_STRUCT(STRUCT_loop_info64)))
IOCTL(LOOP_CHANGE_FD, 0, TYPE_INT)
+ IOCTL(LOOP_SET_CAPACITY, 0, TYPE_INT)
+ IOCTL(LOOP_SET_DIRECT_IO, 0, TYPE_INT)
+ IOCTL(LOOP_SET_BLOCK_SIZE, 0, TYPE_INT)
+ IOCTL(LOOP_CONFIGURE, IOC_W, MK_PTR(MK_STRUCT(STRUCT_loop_configure)))
IOCTL(LOOP_CTL_ADD, 0, TYPE_INT)
IOCTL(LOOP_CTL_REMOVE, 0, TYPE_INT)
diff --git a/linux-user/linux_loop.h b/linux-user/linux_loop.h
index c69fea11e4..f80b96f1ff 100644
--- a/linux-user/linux_loop.h
+++ b/linux-user/linux_loop.h
@@ -96,6 +96,8 @@ struct loop_info64 {
#define LOOP_CHANGE_FD 0x4C06
#define LOOP_SET_CAPACITY 0x4C07
#define LOOP_SET_DIRECT_IO 0x4C08
+#define LOOP_SET_BLOCK_SIZE 0x4C09
+#define LOOP_CONFIGURE 0x4C0A
/* /dev/loop-control interface */
#define LOOP_CTL_ADD 0x4C80
diff --git a/linux-user/syscall_defs.h b/linux-user/syscall_defs.h
index a5ce487dcc..560a29afd8 100644
--- a/linux-user/syscall_defs.h
+++ b/linux-user/syscall_defs.h
@@ -1219,6 +1219,10 @@ struct target_rtc_pll_info {
#define TARGET_LOOP_SET_STATUS64 0x4C04
#define TARGET_LOOP_GET_STATUS64 0x4C05
#define TARGET_LOOP_CHANGE_FD 0x4C06
+#define TARGET_LOOP_SET_CAPACITY 0x4C07
+#define TARGET_LOOP_SET_DIRECT_IO 0x4C08
+#define TARGET_LOOP_SET_BLOCK_SIZE 0x4C09
+#define TARGET_LOOP_CONFIGURE 0x4C0A
#define TARGET_LOOP_CTL_ADD 0x4C80
#define TARGET_LOOP_CTL_REMOVE 0x4C81
diff --git a/linux-user/syscall_types.h b/linux-user/syscall_types.h
index ba2c1518eb..7c46e4fb25 100644
--- a/linux-user/syscall_types.h
+++ b/linux-user/syscall_types.h
@@ -201,6 +201,12 @@ STRUCT(loop_info64,
MK_ARRAY(TYPE_CHAR, 32), /* lo_encrypt_key */
MK_ARRAY(TYPE_ULONGLONG, 2)) /* lo_init */
+STRUCT(loop_configure,
+ TYPE_INT, /* fd */
+ TYPE_INT, /* block_size */
+ MK_STRUCT(STRUCT_loop_info64), /* info */
+ MK_ARRAY(TYPE_ULONGLONG, 8)) /* __reserved */
+
/* mag tape ioctls */
STRUCT(mtop, TYPE_SHORT, TYPE_INT)
STRUCT(mtget, TYPE_LONG, TYPE_LONG, TYPE_LONG, TYPE_LONG, TYPE_LONG,
--
2.34.0
- [PATCH] linux-user: implement more loop ioctls,
Andreas Schwab <=