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qemu/0026-linux-user-add-more-blk-ioctls.patch

75 lines
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From 457bc8c6435dbaea2c777f2f74b5871bc42aad14 Mon Sep 17 00:00:00 2001
From: Alexander Graf <agraf@suse.de>
Date: Wed, 10 Oct 2012 10:21:20 +0200
Subject: [PATCH] linux-user: add more blk ioctls
Implement a few more ioctls that operate on block devices.
Signed-off-by: Alexander Graf <agraf@suse.de>
---
linux-user/ioctls.h | 18 ++++++++++++++++++
linux-user/syscall_defs.h | 6 ++++++
linux-user/syscall_types.h | 3 +++
3 files changed, 27 insertions(+)
diff --git a/linux-user/ioctls.h b/linux-user/ioctls.h
index d76575c..ffd6d09 100644
--- a/linux-user/ioctls.h
+++ b/linux-user/ioctls.h
@@ -72,6 +72,24 @@
#ifdef BLKGETSIZE64
IOCTL(BLKGETSIZE64, IOC_R, MK_PTR(TYPE_ULONGLONG))
#endif
+#ifdef BLKDISCARD
+ IOCTL(BLKDISCARD, IOC_W, MK_PTR(MK_STRUCT(STRUCT_blkdiscard)))
+#endif
+#ifdef BLKIOMIN
+ IOCTL(BLKIOMIN, IOC_R, MK_PTR(TYPE_INT))
+#endif
+#ifdef BLKIOOPT
+ IOCTL(BLKIOOPT, IOC_R, MK_PTR(TYPE_INT))
+#endif
+#ifdef BLKALIGNOFF
+ IOCTL(BLKALIGNOFF, IOC_R, MK_PTR(TYPE_INT))
+#endif
+#ifdef BLKPBSZGET
+ IOCTL(BLKPBSZGET, IOC_R, MK_PTR(TYPE_INT))
+#endif
+#ifdef BLKDISCARDZEROES
+ IOCTL(BLKDISCARDZEROES, IOC_R, MK_PTR(TYPE_INT))
+#endif
IOCTL(BLKFLSBUF, 0, TYPE_NULL)
IOCTL(BLKRASET, 0, TYPE_INT)
IOCTL(BLKRAGET, IOC_R, MK_PTR(TYPE_LONG))
diff --git a/linux-user/syscall_defs.h b/linux-user/syscall_defs.h
index 03863a6..2271d5f 100644
--- a/linux-user/syscall_defs.h
+++ b/linux-user/syscall_defs.h
@@ -913,6 +913,12 @@ struct target_pollfd {
#define TARGET_BLKGETSIZE64 TARGET_IOR(0x12,114,abi_ulong)
/* return device size in bytes
(u64 *arg) */
+#define TARGET_BLKDISCARD TARGET_IO(0x12,119)
+#define TARGET_BLKIOMIN TARGET_IO(0x12,120)
+#define TARGET_BLKIOOPT TARGET_IO(0x12,121)
+#define TARGET_BLKALIGNOFF TARGET_IO(0x12,122)
+#define TARGET_BLKPBSZGET TARGET_IO(0x12,123)
+#define TARGET_BLKDISCARDZEROES TARGET_IO(0x12,124)
#define TARGET_FIBMAP TARGET_IO(0x00,1) /* bmap access */
#define TARGET_FIGETBSZ TARGET_IO(0x00,2) /* get the block size used for bmap */
#define TARGET_FS_IOC_FIEMAP TARGET_IOWR('f',11,struct fiemap)
diff --git a/linux-user/syscall_types.h b/linux-user/syscall_types.h
index 193bee1..56e344c 100644
--- a/linux-user/syscall_types.h
+++ b/linux-user/syscall_types.h
@@ -71,6 +71,9 @@ STRUCT(kbentry,
STRUCT(kbsentry,
TYPE_CHAR, MK_ARRAY(TYPE_CHAR, 512))
+STRUCT(blkdiscard,
+ MK_ARRAY(TYPE_LONGLONG, 2))
+
STRUCT(audio_buf_info,
TYPE_INT, TYPE_INT, TYPE_INT, TYPE_INT)