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-rw-r--r--include/uapi/linux/fd.h26
1 files changed, 22 insertions, 4 deletions
diff --git a/include/uapi/linux/fd.h b/include/uapi/linux/fd.h
index 90fb94712c41..8b80c63b971c 100644
--- a/include/uapi/linux/fd.h
+++ b/include/uapi/linux/fd.h
@@ -172,7 +172,10 @@ struct floppy_drive_params {
* used in succession to try to read the disk. If the FDC cannot lock onto
* the disk, the next format is tried. This uses the variable 'probing'.
*/
- short autodetect[8]; /* autodetected formats */
+
+#define FD_AUTODETECT_SIZE 8
+
+ short autodetect[FD_AUTODETECT_SIZE]; /* autodetected formats */
int checkfreq; /* how often should the drive be checked for disk
* changes */
@@ -357,10 +360,25 @@ struct floppy_raw_cmd {
int buffer_length; /* length of allocated buffer */
unsigned char rate;
+
+#define FD_RAW_CMD_SIZE 16
+#define FD_RAW_REPLY_SIZE 16
+#define FD_RAW_CMD_FULLSIZE (FD_RAW_CMD_SIZE + 1 + FD_RAW_REPLY_SIZE)
+
+ /* The command may take up the space initially intended for the reply
+ * and the reply count. Needed for long 82078 commands such as RESTORE,
+ * which takes 17 command bytes.
+ */
+
unsigned char cmd_count;
- unsigned char cmd[16];
- unsigned char reply_count;
- unsigned char reply[16];
+ union {
+ struct {
+ unsigned char cmd[FD_RAW_CMD_SIZE];
+ unsigned char reply_count;
+ unsigned char reply[FD_RAW_REPLY_SIZE];
+ };
+ unsigned char fullcmd[FD_RAW_CMD_FULLSIZE];
+ };
int track;
int resultcode;