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authorHaren Myneni <haren@linux.vnet.ibm.com>2017-08-31 09:11:29 +0200
committerMichael Ellerman <mpe@ellerman.id.au>2017-09-01 08:42:47 +0200
commitc97f8169fb227cae5adeac56cafa980f25978031 (patch)
treedf958214a5e5c1bf937ca2d97370ed2afe65cf54 /drivers/crypto
parentpowerpc/32: remove a NOP from memset() (diff)
downloadlinux-c97f8169fb227cae5adeac56cafa980f25978031.tar.xz
linux-c97f8169fb227cae5adeac56cafa980f25978031.zip
crypto/nx: Rename nx842_powernv_function as icswx function
Rename nx842_powernv_function to nx842_powernv_exec. nx842_powernv_exec points to nx842_exec_icswx and will be point to VAS exec function which will be added later for P9 NX support. Signed-off-by: Haren Myneni <haren@us.ibm.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'drivers/crypto')
-rw-r--r--drivers/crypto/nx/nx-842-powernv.c20
1 files changed, 13 insertions, 7 deletions
diff --git a/drivers/crypto/nx/nx-842-powernv.c b/drivers/crypto/nx/nx-842-powernv.c
index 3abb045cdba7..161987698bbc 100644
--- a/drivers/crypto/nx/nx-842-powernv.c
+++ b/drivers/crypto/nx/nx-842-powernv.c
@@ -54,7 +54,11 @@ struct nx842_coproc {
/* no cpu hotplug on powernv, so this list never changes after init */
static LIST_HEAD(nx842_coprocs);
-static unsigned int nx842_ct;
+static unsigned int nx842_ct; /* used in icswx function */
+
+static int (*nx842_powernv_exec)(const unsigned char *in,
+ unsigned int inlen, unsigned char *out,
+ unsigned int *outlenp, void *workmem, int fc);
/**
* setup_indirect_dde - Setup an indirect DDE
@@ -355,7 +359,7 @@ static int wait_for_csb(struct nx842_workmem *wmem,
}
/**
- * nx842_powernv_function - compress/decompress data using the 842 algorithm
+ * nx842_exec_icswx - compress/decompress data using the 842 algorithm
*
* (De)compression provided by the NX842 coprocessor on IBM PowerNV systems.
* This compresses or decompresses the provided input buffer into the provided
@@ -385,7 +389,7 @@ static int wait_for_csb(struct nx842_workmem *wmem,
* -ETIMEDOUT hardware did not complete operation in reasonable time
* -EINTR operation was aborted
*/
-static int nx842_powernv_function(const unsigned char *in, unsigned int inlen,
+static int nx842_exec_icswx(const unsigned char *in, unsigned int inlen,
unsigned char *out, unsigned int *outlenp,
void *workmem, int fc)
{
@@ -489,13 +493,13 @@ static int nx842_powernv_function(const unsigned char *in, unsigned int inlen,
* @workmem: working memory buffer pointer, size determined by
* nx842_powernv_driver.workmem_size
*
- * Returns: see @nx842_powernv_function()
+ * Returns: see @nx842_powernv_exec()
*/
static int nx842_powernv_compress(const unsigned char *in, unsigned int inlen,
unsigned char *out, unsigned int *outlenp,
void *wmem)
{
- return nx842_powernv_function(in, inlen, out, outlenp,
+ return nx842_powernv_exec(in, inlen, out, outlenp,
wmem, CCW_FC_842_COMP_CRC);
}
@@ -517,13 +521,13 @@ static int nx842_powernv_compress(const unsigned char *in, unsigned int inlen,
* @workmem: working memory buffer pointer, size determined by
* nx842_powernv_driver.workmem_size
*
- * Returns: see @nx842_powernv_function()
+ * Returns: see @nx842_powernv_exec()
*/
static int nx842_powernv_decompress(const unsigned char *in, unsigned int inlen,
unsigned char *out, unsigned int *outlenp,
void *wmem)
{
- return nx842_powernv_function(in, inlen, out, outlenp,
+ return nx842_powernv_exec(in, inlen, out, outlenp,
wmem, CCW_FC_842_DECOMP_CRC);
}
@@ -625,6 +629,8 @@ static __init int nx842_powernv_init(void)
if (!nx842_ct)
return -ENODEV;
+ nx842_powernv_exec = nx842_exec_icswx;
+
ret = crypto_register_alg(&nx842_powernv_alg);
if (ret) {
struct nx842_coproc *coproc, *n;