s390/pkey: Rework and split PKEY kernel module code

This is a huge rework of all the pkey kernel module code.
The goal is to split the code into individual parts with
a dedicated calling interface:
- move all the sysfs related code into pkey_sysfs.c
- all the CCA related code goes to pkey_cca.c
- the EP11 stuff has been moved to pkey_ep11.c
- the PCKMO related code is now in pkey_pckmo.c

The CCA, EP11 and PCKMO code may be seen as "handlers" with
a similar calling interface. The new header file pkey_base.h
declares this calling interface. The remaining code in
pkey_api.c handles the ioctl, the pkey module things and the
"handler" independent code on top of the calling interface
invoking the handlers.

This regrouping of the code will be the base for a real
pkey kernel module split into a pkey base module which acts
as a dispatcher and handler modules providing their service.

Signed-off-by: Harald Freudenberger <freude@linux.ibm.com>
Reviewed-by: Holger Dengler <dengler@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>

1 files changed, 3 insertions, 3 deletions

diff --git a/drivers/s390/crypto/zcrypt_ccamisc.h b/drivers/s390/crypto/zcrypt_ccamisc.h
index 5ddf02f965f9..aed7e8384542 100644
--- a/drivers/s390/crypto/zcrypt_ccamisc.h
+++ b/drivers/s390/crypto/zcrypt_ccamisc.h
@@ -153,7 +153,7 @@ int cca_check_secaescipherkey(debug_info_t *dbg, int dbflvl,
  * key token. Returns 0 on success or errno value on failure.
  */
 int cca_check_sececckeytoken(debug_info_t *dbg, int dbflvl,
-			     const u8 *token, size_t keysize,
+			     const u8 *token, u32 keysize,
 			     int checkcpacfexport);
 
 /*
@@ -178,7 +178,7 @@ int cca_sec2protkey(u16 cardnr, u16 domain,
  * Generate (random) CCA AES CIPHER secure key.
  */
 int cca_gencipherkey(u16 cardnr, u16 domain, u32 keybitsize, u32 keygenflags,
-		     u8 *keybuf, size_t *keybufsize);
+		     u8 *keybuf, u32 *keybufsize);
 
 /*
  * Derive proteced key from CCA AES cipher secure key.
@@ -190,7 +190,7 @@ int cca_cipher2protkey(u16 cardnr, u16 domain, const u8 *ckey,
  * Build CCA AES CIPHER secure key with a given clear key value.
  */
 int cca_clr2cipherkey(u16 cardnr, u16 domain, u32 keybitsize, u32 keygenflags,
-		      const u8 *clrkey, u8 *keybuf, size_t *keybufsize);
+		      const u8 *clrkey, u8 *keybuf, u32 *keybufsize);
 
 /*
  * Derive proteced key from CCA ECC secure private key.