crypto: nx - move include/linux/nx842.h into drivers/crypto/nx/nx-842.h

[mirror_ubuntu-bionic-kernel.git] / drivers / crypto / nx / nx-842.h

diff --git a/drivers/crypto/nx/nx-842.h b/drivers/crypto/nx/nx-842.h
index 1730f4da1cf61abb473bba1efa85e16adfc206b2..4dbac11c2aa510c7064a16c62c41f98f6bc624a1 100644 (file)
--- 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__ */