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/*
* 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
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