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powerpc/powernv/vas: Rename register/unregister functions 

powerNV and pseries drivers register / unregister to the corresponding
platform specific VAS separately. Then these VAS functions call the
common API with the specific window operations. So rename powerNV VAS
API register/unregister functions.

Signed-off-by: Haren Myneni <haren@linux.ibm.com>
Reviewed-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/9db00d58dbdcb7cfc07a1df95f3d2a9e3e5d746a.camel@linux.ibm.com
This commit is contained in:
Haren Myneni 2021-06-17 13:30:24 -07:00 committed by Michael Ellerman
parent 413d6ed3ea
commit 06c6fad9bf
4 changed files with 24 additions and 5 deletions
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3
arch/powerpc/include/asm/vas.h
View File

@ -164,6 +164,9 @@ int vas_paste_crb(struct vas_window *win, int offset, bool re);
void vas_win_paste_addr(struct vas_window *window, u64 *addr,
int *len);
int vas_register_api_powernv(struct module *mod, enum vas_cop_type cop_type,
const char *name);
void vas_unregister_api_powernv(void);
/*
* Register / unregister coprocessor type to VAS API which will be exported

2
arch/powerpc/platforms/book3s/vas-api.c
View File

@ -262,7 +262,6 @@ int vas_register_coproc_api(struct module *mod, enum vas_cop_type cop_type,
unregister_chrdev_region(coproc_device.devt, 1);
return rc;
}
EXPORT_SYMBOL_GPL(vas_register_coproc_api);
void vas_unregister_coproc_api(void)
{
@ -275,4 +274,3 @@ void vas_unregister_coproc_api(void)
class_destroy(coproc_device.class);
unregister_chrdev_region(coproc_device.devt, 1);
}
EXPORT_SYMBOL_GPL(vas_unregister_coproc_api);

18
arch/powerpc/platforms/powernv/vas-window.c
View File

@ -1442,3 +1442,21 @@ struct vas_window *vas_pswid_to_window(struct vas_instance *vinst,
return window;
}
/*
* Supporting only nx-gzip coprocessor type now, but this API code
* extended to other coprocessor types later.
*/
int vas_register_api_powernv(struct module *mod, enum vas_cop_type cop_type,
const char *name)
{
return vas_register_coproc_api(mod, cop_type, name);
}
EXPORT_SYMBOL_GPL(vas_register_api_powernv);
void vas_unregister_api_powernv(void)
{
vas_unregister_coproc_api();
}
EXPORT_SYMBOL_GPL(vas_unregister_api_powernv);

6
drivers/crypto/nx/nx-common-powernv.c
View File

@ -1092,8 +1092,8 @@ static __init int nx_compress_powernv_init(void)
* normal FIFO priority is assigned for userspace.
* 842 compression is supported only in kernel.
*/
ret = vas_register_coproc_api(THIS_MODULE, VAS_COP_TYPE_GZIP,
"nx-gzip");
ret = vas_register_api_powernv(THIS_MODULE, VAS_COP_TYPE_GZIP,
"nx-gzip");
/*
* GZIP is not supported in kernel right now.
@ -1129,7 +1129,7 @@ static void __exit nx_compress_powernv_exit(void)
* use. So delete this API use for GZIP engine.
*/
if (!nx842_ct)
vas_unregister_coproc_api();
vas_unregister_api_powernv();
crypto_unregister_alg(&nx842_powernv_alg);