Modify the Scatter-Gather entry definitions for the Freescale
CAAM driver.
Signed-off-by: Victoria Milhoan <vicki.milh...@freescale.com>
---
drivers/crypto/caam/desc.h | 24 ++++++++++++++++++++----
1 file changed, 20 insertions(+), 4 deletions(-)
diff --git a/drivers/crypto/caam/desc.h b/drivers/crypto/caam/desc.h
index d397ff9..67e3c89 100644
--- a/drivers/crypto/caam/desc.h
+++ b/drivers/crypto/caam/desc.h
@@ -8,13 +8,29 @@
#ifndef DESC_H
#define DESC_H
+/*
+ * 16-byte hardware scatter/gather table
+ * An 8-byte table exists in the hardware spec, but has never been
+ * implemented to date. The 8/16 option is selected at RTL-compile-time.
+ * and this selection is visible in the Compile Time Parameters Register
+ */
+
+#define SEC4_SG_LEN_EXT 0x80000000 /* Entry points to
table */
+#define SEC4_SG_LEN_FIN 0x40000000 /* Last ent in table */
+#define SEC4_SG_BPID_MASK 0x000000ff
+#define SEC4_SG_BPID_SHIFT 16
+#define SEC4_SG_LEN_MASK 0x3fffffff /* Excludes EXT and FINAL */
+#define SEC4_SG_OFFS_MASK 0x00001fff
+
struct sec4_sg_entry {
+#ifdef CONFIG_64BIT
u64 ptr;
-#define SEC4_SG_LEN_FIN 0x40000000
-#define SEC4_SG_LEN_EXT 0x80000000
+#else
+ u32 reserved;
+ u32 ptr;
+#endif
u32 len;
- u8 reserved;
- u8 buf_pool_id;
+ u16 buf_pool_id;
u16 offset;
};
--
2.1.4
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