ubi-tools: fix compilation problems

It appears that older system do not expose __be32 and friends
to userspace, so use uint32_t and friends.

Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>

2 files changed, 88 insertions, 42 deletions

diff --git a/include/mtd/ubi-header.h b/include/mtd/ubi-header.h
index 69d5d7e..5dacbf7 100644
--- a/include/mtd/ubi-header.h
+++ b/include/mtd/ubi-header.h
@@ -30,6 +30,7 @@
 #ifndef __UBI_HEADER_H__
 #define __UBI_HEADER_H__
 
+#include <stdint.h>
 #include <asm/byteorder.h>
 
 /* The version of UBI images supported by this implementation */
@@ -116,8 +117,8 @@ enum {
 #define UBI_VID_HDR_SIZE sizeof(struct ubi_vid_hdr)
 
 /* Sizes of UBI headers without the ending CRC */
-#define UBI_EC_HDR_SIZE_CRC  (UBI_EC_HDR_SIZE  - sizeof(__be32))
-#define UBI_VID_HDR_SIZE_CRC (UBI_VID_HDR_SIZE - sizeof(__be32))
+#define UBI_EC_HDR_SIZE_CRC  (UBI_EC_HDR_SIZE  - sizeof(uint32_t))
+#define UBI_VID_HDR_SIZE_CRC (UBI_VID_HDR_SIZE - sizeof(uint32_t))
 
 /**
  * struct ubi_ec_hdr - UBI erase counter header.
@@ -145,14 +146,14 @@ enum {
  * eraseblocks.
  */
 struct ubi_ec_hdr {
-	__be32  magic;
-	__u8    version;
-	__u8    padding1[3];
-	__be64  ec; /* Warning: the current limit is 31-bit anyway! */
-	__be32  vid_hdr_offset;
-	__be32  data_offset;
-	__u8    padding2[36];
-	__be32  hdr_crc;
+	uint32_t magic;
+	uint8_t  version;
+	uint8_t  padding1[3];
+	uint64_t ec; /* Warning: the current limit is 31-bit anyway! */
+	uint32_t vid_hdr_offset;
+	uint32_t data_offset;
+	uint8_t  padding2[36];
+	uint32_t hdr_crc;
 } __attribute__ ((packed));
 
 /**
@@ -270,22 +271,22 @@ struct ubi_ec_hdr {
  * software (say, cramfs) on top of the UBI volume.
  */
 struct ubi_vid_hdr {
-	__be32  magic;
-	__u8    version;
-	__u8    vol_type;
-	__u8    copy_flag;
-	__u8    compat;
-	__be32  vol_id;
-	__be32  lnum;
-	__be32  leb_ver; /* obsolete, to be removed, don't use */
-	__be32  data_size;
-	__be32  used_ebs;
-	__be32  data_pad;
-	__be32  data_crc;
-	__u8    padding1[4];
-	__be64  sqnum;
-	__u8    padding2[12];
-	__be32  hdr_crc;
+	uint32_t magic;
+	uint8_t  version;
+	uint8_t  vol_type;
+	uint8_t  copy_flag;
+	uint8_t  compat;
+	uint32_t vol_id;
+	uint32_t lnum;
+	uint32_t leb_ver; /* obsolete, to be removed, don't use */
+	uint32_t data_size;
+	uint32_t used_ebs;
+	uint32_t data_pad;
+	uint32_t data_crc;
+	uint8_t  padding1[4];
+	uint64_t sqnum;
+	uint8_t  padding2[12];
+	uint32_t hdr_crc;
 } __attribute__ ((packed));
 
 /* Internal UBI volumes count */
@@ -299,7 +300,9 @@ struct ubi_vid_hdr {
 
 /* The layout volume contains the volume table */
 
-#define UBI_LAYOUT_VOL_ID        UBI_INTERNAL_VOL_START
+#define UBI_LAYOUT_VOLUME_ID     UBI_INTERNAL_VOL_START
+#define UBI_LAYOUT_VOLUME_TYPE   UBI_VID_DYNAMIC
+#define UBI_LAYOUT_VOLUME_ALIGN  1
 #define UBI_LAYOUT_VOLUME_EBS    2
 #define UBI_LAYOUT_VOLUME_NAME   "layout volume"
 #define UBI_LAYOUT_VOLUME_COMPAT UBI_COMPAT_REJECT
@@ -314,7 +317,7 @@ struct ubi_vid_hdr {
 #define UBI_VTBL_RECORD_SIZE sizeof(struct ubi_vtbl_record)
 
 /* Size of the volume table record without the ending CRC */
-#define UBI_VTBL_RECORD_SIZE_CRC (UBI_VTBL_RECORD_SIZE - sizeof(__be32))
+#define UBI_VTBL_RECORD_SIZE_CRC (UBI_VTBL_RECORD_SIZE - sizeof(uint32_t))
 
 /**
  * struct ubi_vtbl_record - a record in the volume table.
@@ -355,16 +358,16 @@ struct ubi_vid_hdr {
  * Empty records contain all zeroes and the CRC checksum of those zeroes.
  */
 struct ubi_vtbl_record {
-	__be32  reserved_pebs;
-	__be32  alignment;
-	__be32  data_pad;
-	__u8    vol_type;
-	__u8    upd_marker;
-	__be16  name_len;
-	__u8    name[UBI_VOL_NAME_MAX+1];
-	__u8    flags;
-	__u8    padding[23];
-	__be32  crc;
+	uint32_t reserved_pebs;
+	uint32_t alignment;
+	uint32_t data_pad;
+	uint8_t  vol_type;
+	uint8_t  upd_marker;
+	uint16_t name_len;
+	uint8_t  name[UBI_VOL_NAME_MAX+1];
+	uint8_t  flags;
+	uint8_t  padding[23];
+	uint32_t crc;
 } __attribute__ ((packed));
 
 #endif /* !__UBI_HEADER_H__ */
diff --git a/include/mtd/ubi-user.h b/include/mtd/ubi-user.h
index 4d184a7..a7421f1 100644
--- a/include/mtd/ubi-user.h
+++ b/include/mtd/ubi-user.h
@@ -63,7 +63,7 @@
  *
  * Volume update should be done via the %UBI_IOCVOLUP IOCTL command of the
  * corresponding UBI volume character device. A pointer to a 64-bit update
- * size should be passed to the IOCTL. After then, UBI expects user to write
+ * size should be passed to the IOCTL. After this, UBI expects user to write
  * this number of bytes to the volume character device. The update is finished
  * when the claimed number of bytes is passed. So, the volume update sequence
  * is something like:
@@ -72,6 +72,15 @@
  * ioctl(fd, UBI_IOCVOLUP, &image_size);
  * write(fd, buf, image_size);
  * close(fd);
+ *
+ * Atomic eraseblock change
+ * ~~~~~~~~~~~~~~~~~~~~~~~~
+ *
+ * Atomic eraseblock change operation is done via the %UBI_IOCEBCH IOCTL
+ * command of the corresponding UBI volume character device. A pointer to
+ * &struct ubi_leb_change_req has to be passed to the IOCTL. Then the user is
+ * expected to write the requested amount of bytes. This is similar to the
+ * "volume update" IOCTL.
  */
 
 /*
@@ -113,11 +122,30 @@
 #define UBI_IOCVOLUP _IOW(UBI_VOL_IOC_MAGIC, 0, int64_t)
 /* An eraseblock erasure command, used for debugging, disabled by default */
 #define UBI_IOCEBER _IOW(UBI_VOL_IOC_MAGIC, 1, int32_t)
+/* An atomic eraseblock change command */
+#define UBI_IOCEBCH _IOW(UBI_VOL_IOC_MAGIC, 2, int32_t)
 
 /* Maximum MTD device name length supported by UBI */
 #define MAX_UBI_MTD_NAME_LEN 127
 
 /*
+ * UBI data type hint constants.
+ *
+ * UBI_LONGTERM: long-term data
+ * UBI_SHORTTERM: short-term data
+ * UBI_UNKNOWN: data persistence is unknown
+ *
+ * These constants are used when data is written to UBI volumes in order to
+ * help the UBI wear-leveling unit to find more appropriate physical
+ * eraseblocks.
+ */
+enum {
+	UBI_LONGTERM  = 1,
+	UBI_SHORTTERM = 2,
+	UBI_UNKNOWN   = 3,
+};
+
+/*
  * UBI volume type constants.
  *
  * @UBI_DYNAMIC_VOLUME: dynamic volume
@@ -125,7 +153,7 @@
  */
 enum {
 	UBI_DYNAMIC_VOLUME = 3,
-	UBI_STATIC_VOLUME = 4,
+	UBI_STATIC_VOLUME  = 4,
 };
 
 /**
@@ -137,7 +165,7 @@ enum {
  *
  * This data structure is used to specify MTD device UBI has to attach and the
  * parameters it has to use. The number which should be assigned to the new UBI
- * device is passed in @ubi_num. UBI may automatically assing the number if
+ * device is passed in @ubi_num. UBI may automatically assign the number if
  * @UBI_DEV_NUM_AUTO is passed. In this case, the device number is returned in
  * @ubi_num.
  *
@@ -176,7 +204,7 @@ struct ubi_attach_req {
  * @padding2: reserved for future, not used, has to be zeroed
  * @name: volume name
  *
- * This structure is used by userspace programs when creating new volumes. The
+ * This structure is used by user-space programs when creating new volumes. The
  * @used_bytes field is only necessary when creating static volumes.
  *
  * The @alignment field specifies the required alignment of the volume logical
@@ -222,4 +250,19 @@ struct ubi_rsvol_req {
 	int32_t vol_id;
 } __attribute__ ((packed));
 
+/**
+ * struct ubi_leb_change_req - a data structure used in atomic logical
+ *                             eraseblock change requests.
+ * @lnum: logical eraseblock number to change
+ * @bytes: how many bytes will be written to the logical eraseblock
+ * @dtype: data type (%UBI_LONGTERM, %UBI_SHORTTERM, %UBI_UNKNOWN)
+ * @padding: reserved for future, not used, has to be zeroed
+ */
+struct ubi_leb_change_req {
+	int32_t lnum;
+	int32_t bytes;
+	uint8_t dtype;
+	uint8_t padding[7];
+} __attribute__ ((packed));
+
 #endif /* __UBI_USER_H__ */