summaryrefslogtreecommitdiff
path: root/drivers/crypto/nx/nx-842.h
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/crypto/nx/nx-842.h')
-rw-r--r--drivers/crypto/nx/nx-842.h21
1 files changed, 20 insertions, 1 deletions
diff --git a/drivers/crypto/nx/nx-842.h b/drivers/crypto/nx/nx-842.h
index 1730f4da1cf6..4dbac11c2aa5 100644
--- a/drivers/crypto/nx/nx-842.h
+++ b/drivers/crypto/nx/nx-842.h
@@ -4,7 +4,6 @@
#include <linux/kernel.h>
#include <linux/module.h>
-#include <linux/nx842.h>
#include <linux/sw842.h>
#include <linux/of.h>
#include <linux/slab.h>
@@ -12,6 +11,12 @@
#include <linux/mm.h>
#include <linux/ratelimit.h>
+#define __NX842_PSERIES_MEM_COMPRESS (10240)
+#define __NX842_POWERNV_MEM_COMPRESS (1024)
+
+#define NX842_MEM_COMPRESS (max_t(unsigned int, \
+ __NX842_PSERIES_MEM_COMPRESS, __NX842_POWERNV_MEM_COMPRESS))
+
/* Restrictions on Data Descriptor List (DDL) and Entry (DDE) buffers
*
* From NX P8 workbook, sec 4.9.1 "842 details"
@@ -104,6 +109,13 @@ static inline unsigned long nx842_get_pa(void *addr)
#define GET_FIELD(v, m) (((v) & (m)) >> MASK_LSH(m))
#define SET_FIELD(v, m, val) (((v) & ~(m)) | (((val) << MASK_LSH(m)) & (m)))
+struct nx842_constraints {
+ int alignment;
+ int multiple;
+ int minimum;
+ int maximum;
+};
+
struct nx842_driver {
char *name;
struct module *owner;
@@ -124,4 +136,11 @@ void nx842_platform_driver_unset(struct nx842_driver *driver);
bool nx842_platform_driver_get(void);
void nx842_platform_driver_put(void);
+int nx842_constraints(struct nx842_constraints *constraints);
+
+int nx842_compress(const unsigned char *in, unsigned int in_len,
+ unsigned char *out, unsigned int *out_len, void *wrkmem);
+int nx842_decompress(const unsigned char *in, unsigned int in_len,
+ unsigned char *out, unsigned int *out_len, void *wrkmem);
+
#endif /* __NX_842_H__ */