projects / mirror_zfs.git / blame
| Commit | Line | Data |
|---|---|---|
| cf637391 TC |
1 | /* |
| 2 | * CDDL HEADER START | |
| 3 | * | |
| 4 | * The contents of this file are subject to the terms of the | |
| 5 | * Common Development and Distribution License (the "License"). | |
| 6 | * You may not use this file except in compliance with the License. | |
| 7 | * | |
| 8 | * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE | |
| 9 | * or http://www.opensolaris.org/os/licensing. | |
| 10 | * See the License for the specific language governing permissions | |
| 11 | * and limitations under the License. | |
| 12 | * | |
| 13 | * When distributing Covered Code, include this CDDL HEADER in each | |
| 14 | * file and include the License file at usr/src/OPENSOLARIS.LICENSE. | |
| 15 | * If applicable, add the following below this CDDL HEADER, with the | |
| 16 | * fields enclosed by brackets "[]" replaced with your own identifying | |
| 17 | * information: Portions Copyright [yyyy] [name of copyright owner] | |
| 18 | * | |
| 19 | * CDDL HEADER END | |
| 20 | */ | |
| 21 | ||
| 22 | #if defined(_KERNEL) && defined(HAVE_QAT) | |
| 23 | #include <sys/zfs_context.h> | |
| 24 | #include "qat.h" | |
| 25 | ||
| 26 | qat_stats_t qat_stats = { | |
| 27 | { "comp_requests", KSTAT_DATA_UINT64 }, | |
| 28 | { "comp_total_in_bytes", KSTAT_DATA_UINT64 }, | |
| 29 | { "comp_total_out_bytes", KSTAT_DATA_UINT64 }, | |
| 30 | { "decomp_requests", KSTAT_DATA_UINT64 }, | |
| 31 | { "decomp_total_in_bytes", KSTAT_DATA_UINT64 }, | |
| 32 | { "decomp_total_out_bytes", KSTAT_DATA_UINT64 }, | |
| 33 | { "dc_fails", KSTAT_DATA_UINT64 }, | |
| 34 | { "encrypt_requests", KSTAT_DATA_UINT64 }, | |
| 35 | { "encrypt_total_in_bytes", KSTAT_DATA_UINT64 }, | |
| 36 | { "encrypt_total_out_bytes", KSTAT_DATA_UINT64 }, | |
| 37 | { "decrypt_requests", KSTAT_DATA_UINT64 }, | |
| 38 | { "decrypt_total_in_bytes", KSTAT_DATA_UINT64 }, | |
| 39 | { "decrypt_total_out_bytes", KSTAT_DATA_UINT64 }, | |
| 40 | { "crypt_fails", KSTAT_DATA_UINT64 }, | |
| 38742209 TC |
41 | { "cksum_requests", KSTAT_DATA_UINT64 }, |
| 42 | { "cksum_total_in_bytes", KSTAT_DATA_UINT64 }, | |
| 43 | { "cksum_fails", KSTAT_DATA_UINT64 }, | |
| cf637391 TC |
44 | }; |
| 45 | ||
| 46 | static kstat_t *qat_ksp = NULL; | |
| cf637391 TC |
47 | |
| 48 | CpaStatus | |
| 49 | qat_mem_alloc_contig(void **pp_mem_addr, Cpa32U size_bytes) | |
| 50 | { | |
| 51 | *pp_mem_addr = kmalloc(size_bytes, GFP_KERNEL); | |
| 52 | if (*pp_mem_addr == NULL) | |
| 53 | return (CPA_STATUS_RESOURCE); | |
| 54 | return (CPA_STATUS_SUCCESS); | |
| 55 | } | |
| 56 | ||
| 57 | void | |
| 58 | qat_mem_free_contig(void **pp_mem_addr) | |
| 59 | { | |
| 60 | if (*pp_mem_addr != NULL) { | |
| 61 | kfree(*pp_mem_addr); | |
| 62 | *pp_mem_addr = NULL; | |
| 63 | } | |
| 64 | } | |
| 65 | ||
| 66 | int | |
| 67 | qat_init(void) | |
| 68 | { | |
| cf637391 TC |
69 | qat_ksp = kstat_create("zfs", 0, "qat", "misc", |
| 70 | KSTAT_TYPE_NAMED, sizeof (qat_stats) / sizeof (kstat_named_t), | |
| 71 | KSTAT_FLAG_VIRTUAL); | |
| 72 | if (qat_ksp != NULL) { | |
| 73 | qat_ksp->ks_data = &qat_stats; | |
| 74 | kstat_install(qat_ksp); | |
| 75 | } | |
| 76 | ||
| 5090f727 CZ |
77 | /* |
| 78 | * Just set the disable flag when qat init failed, qat can be | |
| 79 | * turned on again in post-process after zfs module is loaded, e.g.: | |
| 80 | * echo 0 > /sys/module/zfs/parameters/zfs_qat_compress_disable | |
| 81 | */ | |
| 82 | if (qat_dc_init() != 0) | |
| 83 | zfs_qat_compress_disable = 1; | |
| 84 | ||
| 85 | if (qat_cy_init() != 0) { | |
| 86 | zfs_qat_checksum_disable = 1; | |
| 87 | zfs_qat_encrypt_disable = 1; | |
| 88 | } | |
| 89 | ||
| cf637391 TC |
90 | return (0); |
| 91 | } | |
| 92 | ||
| 93 | void | |
| 94 | qat_fini(void) | |
| 95 | { | |
| 96 | if (qat_ksp != NULL) { | |
| 97 | kstat_delete(qat_ksp); | |
| 98 | qat_ksp = NULL; | |
| 99 | } | |
| 100 | ||
| 5090f727 | 101 | qat_cy_fini(); |
| cf637391 TC |
102 | qat_dc_fini(); |
| 103 | } | |
| 104 | ||
| 105 | #endif |