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	The commit replaces all findings of the link: http://www.opensolaris.org/os/licensing with this one: https://opensource.org/licenses/CDDL-1.0 Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Signed-off-by: Tino Reichardt <milky-zfs@mcmilk.de> Closes #13619
		
			
				
	
	
		
			106 lines
		
	
	
		
			2.8 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			106 lines
		
	
	
		
			2.8 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/*
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 * CDDL HEADER START
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 *
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 * The contents of this file are subject to the terms of the
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 * Common Development and Distribution License (the "License").
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 * You may not use this file except in compliance with the License.
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 *
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 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
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 * or https://opensource.org/licenses/CDDL-1.0.
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 * See the License for the specific language governing permissions
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 * and limitations under the License.
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 *
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 * When distributing Covered Code, include this CDDL HEADER in each
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 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
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 * If applicable, add the following below this CDDL HEADER, with the
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 * fields enclosed by brackets "[]" replaced with your own identifying
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 * information: Portions Copyright [yyyy] [name of copyright owner]
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 *
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 * CDDL HEADER END
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 */
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#if defined(_KERNEL) && defined(HAVE_QAT)
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#include <sys/zfs_context.h>
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#include <sys/qat.h>
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qat_stats_t qat_stats = {
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	{ "comp_requests",			KSTAT_DATA_UINT64 },
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	{ "comp_total_in_bytes",		KSTAT_DATA_UINT64 },
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	{ "comp_total_out_bytes",		KSTAT_DATA_UINT64 },
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	{ "decomp_requests",			KSTAT_DATA_UINT64 },
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	{ "decomp_total_in_bytes",		KSTAT_DATA_UINT64 },
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	{ "decomp_total_out_bytes",		KSTAT_DATA_UINT64 },
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	{ "dc_fails",				KSTAT_DATA_UINT64 },
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	{ "encrypt_requests",			KSTAT_DATA_UINT64 },
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	{ "encrypt_total_in_bytes",		KSTAT_DATA_UINT64 },
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	{ "encrypt_total_out_bytes",		KSTAT_DATA_UINT64 },
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	{ "decrypt_requests",			KSTAT_DATA_UINT64 },
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	{ "decrypt_total_in_bytes",		KSTAT_DATA_UINT64 },
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	{ "decrypt_total_out_bytes",		KSTAT_DATA_UINT64 },
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	{ "crypt_fails",			KSTAT_DATA_UINT64 },
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	{ "cksum_requests",			KSTAT_DATA_UINT64 },
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	{ "cksum_total_in_bytes",		KSTAT_DATA_UINT64 },
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	{ "cksum_fails",			KSTAT_DATA_UINT64 },
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};
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static kstat_t *qat_ksp = NULL;
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CpaStatus
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qat_mem_alloc_contig(void **pp_mem_addr, Cpa32U size_bytes)
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{
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	*pp_mem_addr = kmalloc(size_bytes, GFP_KERNEL);
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	if (*pp_mem_addr == NULL)
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		return (CPA_STATUS_RESOURCE);
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	return (CPA_STATUS_SUCCESS);
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}
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void
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qat_mem_free_contig(void **pp_mem_addr)
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{
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	if (*pp_mem_addr != NULL) {
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		kfree(*pp_mem_addr);
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		*pp_mem_addr = NULL;
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	}
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}
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int
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qat_init(void)
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{
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	qat_ksp = kstat_create("zfs", 0, "qat", "misc",
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	    KSTAT_TYPE_NAMED, sizeof (qat_stats) / sizeof (kstat_named_t),
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	    KSTAT_FLAG_VIRTUAL);
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	if (qat_ksp != NULL) {
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		qat_ksp->ks_data = &qat_stats;
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		kstat_install(qat_ksp);
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	}
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	/*
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	 * Just set the disable flag when qat init failed, qat can be
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	 * turned on again in post-process after zfs module is loaded, e.g.:
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	 * echo 0 > /sys/module/zfs/parameters/zfs_qat_compress_disable
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	 */
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	if (qat_dc_init() != 0)
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		zfs_qat_compress_disable = 1;
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	if (qat_cy_init() != 0) {
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		zfs_qat_checksum_disable = 1;
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		zfs_qat_encrypt_disable = 1;
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	}
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	return (0);
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}
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void
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qat_fini(void)
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{
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	if (qat_ksp != NULL) {
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		kstat_delete(qat_ksp);
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		qat_ksp = NULL;
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	}
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	qat_cy_fini();
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	qat_dc_fini();
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}
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#endif
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