105 lines
2.8 KiB
C
105 lines
2.8 KiB
C
/*
|
|
* CDDL HEADER START
|
|
*
|
|
* The contents of this file are subject to the terms of the
|
|
* Common Development and Distribution License (the "License").
|
|
* You may not use this file except in compliance with the License.
|
|
*
|
|
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
|
|
* or http://www.opensolaris.org/os/licensing.
|
|
* See the License for the specific language governing permissions
|
|
* and limitations under the License.
|
|
*
|
|
* When distributing Covered Code, include this CDDL HEADER in each
|
|
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
|
|
* If applicable, add the following below this CDDL HEADER, with the
|
|
* fields enclosed by brackets "[]" replaced with your own identifying
|
|
* information: Portions Copyright [yyyy] [name of copyright owner]
|
|
*
|
|
* CDDL HEADER END
|
|
*/
|
|
|
|
#if defined(_KERNEL) && defined(HAVE_QAT)
|
|
#include <sys/zfs_context.h>
|
|
#include "qat.h"
|
|
|
|
qat_stats_t qat_stats = {
|
|
{ "comp_requests", KSTAT_DATA_UINT64 },
|
|
{ "comp_total_in_bytes", KSTAT_DATA_UINT64 },
|
|
{ "comp_total_out_bytes", KSTAT_DATA_UINT64 },
|
|
{ "decomp_requests", KSTAT_DATA_UINT64 },
|
|
{ "decomp_total_in_bytes", KSTAT_DATA_UINT64 },
|
|
{ "decomp_total_out_bytes", KSTAT_DATA_UINT64 },
|
|
{ "dc_fails", KSTAT_DATA_UINT64 },
|
|
{ "encrypt_requests", KSTAT_DATA_UINT64 },
|
|
{ "encrypt_total_in_bytes", KSTAT_DATA_UINT64 },
|
|
{ "encrypt_total_out_bytes", KSTAT_DATA_UINT64 },
|
|
{ "decrypt_requests", KSTAT_DATA_UINT64 },
|
|
{ "decrypt_total_in_bytes", KSTAT_DATA_UINT64 },
|
|
{ "decrypt_total_out_bytes", KSTAT_DATA_UINT64 },
|
|
{ "crypt_fails", KSTAT_DATA_UINT64 },
|
|
{ "cksum_requests", KSTAT_DATA_UINT64 },
|
|
{ "cksum_total_in_bytes", KSTAT_DATA_UINT64 },
|
|
{ "cksum_fails", KSTAT_DATA_UINT64 },
|
|
};
|
|
|
|
static kstat_t *qat_ksp = NULL;
|
|
|
|
CpaStatus
|
|
qat_mem_alloc_contig(void **pp_mem_addr, Cpa32U size_bytes)
|
|
{
|
|
*pp_mem_addr = kmalloc(size_bytes, GFP_KERNEL);
|
|
if (*pp_mem_addr == NULL)
|
|
return (CPA_STATUS_RESOURCE);
|
|
return (CPA_STATUS_SUCCESS);
|
|
}
|
|
|
|
void
|
|
qat_mem_free_contig(void **pp_mem_addr)
|
|
{
|
|
if (*pp_mem_addr != NULL) {
|
|
kfree(*pp_mem_addr);
|
|
*pp_mem_addr = NULL;
|
|
}
|
|
}
|
|
|
|
int
|
|
qat_init(void)
|
|
{
|
|
qat_ksp = kstat_create("zfs", 0, "qat", "misc",
|
|
KSTAT_TYPE_NAMED, sizeof (qat_stats) / sizeof (kstat_named_t),
|
|
KSTAT_FLAG_VIRTUAL);
|
|
if (qat_ksp != NULL) {
|
|
qat_ksp->ks_data = &qat_stats;
|
|
kstat_install(qat_ksp);
|
|
}
|
|
|
|
/*
|
|
* Just set the disable flag when qat init failed, qat can be
|
|
* turned on again in post-process after zfs module is loaded, e.g.:
|
|
* echo 0 > /sys/module/zfs/parameters/zfs_qat_compress_disable
|
|
*/
|
|
if (qat_dc_init() != 0)
|
|
zfs_qat_compress_disable = 1;
|
|
|
|
if (qat_cy_init() != 0) {
|
|
zfs_qat_checksum_disable = 1;
|
|
zfs_qat_encrypt_disable = 1;
|
|
}
|
|
|
|
return (0);
|
|
}
|
|
|
|
void
|
|
qat_fini(void)
|
|
{
|
|
if (qat_ksp != NULL) {
|
|
kstat_delete(qat_ksp);
|
|
qat_ksp = NULL;
|
|
}
|
|
|
|
qat_cy_fini();
|
|
qat_dc_fini();
|
|
}
|
|
|
|
#endif
|