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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>
This commit is contained in:
Haren Myneni 2017-08-31 00:11:29 -07:00 committed by Michael Ellerman
parent ad1b0122bd
commit c97f8169fb
1 changed files with 13 additions and 7 deletions
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20
drivers/crypto/nx/nx-842-powernv.c
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@ -54,7 +54,11 @@ struct nx842_coproc {
/* no cpu hotplug on powernv, so this list never changes after init */ /* no cpu hotplug on powernv, so this list never changes after init */
static LIST_HEAD(nx842_coprocs); 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 * 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. * (De)compression provided by the NX842 coprocessor on IBM PowerNV systems.
* This compresses or decompresses the provided input buffer into the provided * 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 * -ETIMEDOUT hardware did not complete operation in reasonable time
* -EINTR operation was aborted * -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, unsigned char *out, unsigned int *outlenp,
void *workmem, int fc) 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 * @workmem: working memory buffer pointer, size determined by
* nx842_powernv_driver.workmem_size * 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, static int nx842_powernv_compress(const unsigned char *in, unsigned int inlen,
unsigned char *out, unsigned int *outlenp, unsigned char *out, unsigned int *outlenp,
void *wmem) void *wmem)
{ {
return nx842_powernv_function(in, inlen, out, outlenp, return nx842_powernv_exec(in, inlen, out, outlenp,
wmem, CCW_FC_842_COMP_CRC); 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 * @workmem: working memory buffer pointer, size determined by
* nx842_powernv_driver.workmem_size * 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, static int nx842_powernv_decompress(const unsigned char *in, unsigned int inlen,
unsigned char *out, unsigned int *outlenp, unsigned char *out, unsigned int *outlenp,
void *wmem) void *wmem)
{ {
return nx842_powernv_function(in, inlen, out, outlenp, return nx842_powernv_exec(in, inlen, out, outlenp,
wmem, CCW_FC_842_DECOMP_CRC); wmem, CCW_FC_842_DECOMP_CRC);
} }
@ -625,6 +629,8 @@ static __init int nx842_powernv_init(void)
if (!nx842_ct) if (!nx842_ct)
return -ENODEV; return -ENODEV;
nx842_powernv_exec = nx842_exec_icswx;
ret = crypto_register_alg(&nx842_powernv_alg); ret = crypto_register_alg(&nx842_powernv_alg);
if (ret) { if (ret) {
struct nx842_coproc *coproc, *n; struct nx842_coproc *coproc, *n;