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[08/16] libffs: Add ffs_entry_user field

Message ID 1424392679-27859-8-git-send-email-mikey@neuling.org
State Accepted
Headers show

Commit Message

Michael Neuling Feb. 20, 2015, 12:37 a.m. UTC 
This adds the correct user structure to ffs_entry as defined from hostboot.

No functional changes.

Signed-off-by: Michael Neuling <mikey@neuling.org>
---
 libflash/ffs.h    | 29 +++++++++++++++++++++++------
 libflash/libffs.c |  1 +
 2 files changed, 24 insertions(+), 6 deletions(-)
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Patch

diff --git a/libflash/ffs.h b/libflash/ffs.h
index 09a1d84..5cb6778 100644
--- a/libflash/ffs.h
+++ b/libflash/ffs.h
@@ -70,10 +70,29 @@  enum type {
 #define FFS_FLAGS_PROTECTED	0x0001
 #define FFS_FLAGS_U_BOOT_ENV	0x0002
 
-/*
- * Number of user data words
+/* Data integrity flags */
+#define FFS_ENRY_INTEG_ECC 0x8000
+
+/**
+ * struct ffs_entry_user - User data enties
+ *
+ *  @chip:		Chip Select (0,1)
+ *  @compressType:	Compression Indication/alg (0=not compressed)
+ *  @dataInteg:		Indicates Data Integrity mechanism
+ *  @verCheck:		Indicates Version check type
+ *  @miscFlags:		Misc Partition related Flags
+ *  @freeMisc[2]:	Unused Miscellaneious Info
+ *  @freeUser[14]:	Unused User Data
  */
-#define FFS_USER_WORDS 16
+struct ffs_entry_user {
+	uint8_t  chip;
+	uint8_t  compresstype;
+	uint16_t datainteg;
+	uint8_t  vercheck;
+	uint8_t  miscflags;
+	uint8_t  freemisc[2];
+	uint32_t reserved[14];
+};
 
 /**
  * struct ffs_entry - Partition entry
@@ -100,9 +119,7 @@  struct ffs_entry {
 	uint32_t flags;
 	uint32_t actual;
 	uint32_t resvd[4];
-	struct {
-		uint32_t data[FFS_USER_WORDS];
-	} user;
+	struct ffs_entry_user user;
 	uint32_t checksum;
 } __attribute__ ((packed));
 
diff --git a/libflash/libffs.c b/libflash/libffs.c
index abb9775..dbe618c 100644
--- a/libflash/libffs.c
+++ b/libflash/libffs.c
@@ -183,6 +183,7 @@  static int ffs_check_convert_entry(struct ffs_entry *dst, struct ffs_entry *src)
 	dst->type = be32_to_cpu(src->type);
 	dst->flags = be32_to_cpu(src->flags);
 	dst->actual = be32_to_cpu(src->actual);
+	dst->user.datainteg = be16_to_cpu(src->user.datainteg);
 
 	return 0;
 }