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

@@ -72,6 +72,24 @@
      IOCTL(BLKGETSIZE, IOC_R, MK_PTR(TYPE_ULONG))
 #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)

linux-user/syscall_defs.h

@@ -937,6 +937,12 @@ 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)

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)