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 }, | |
| 41 | }; | |
| 42 | ||
| 43 | static kstat_t *qat_ksp = NULL; | |
| 44 | int zfs_qat_disable = 0; | |
| 45 | ||
| 46 | CpaStatus | |
| 47 | qat_mem_alloc_contig(void **pp_mem_addr, Cpa32U size_bytes) | |
| 48 | { | |
| 49 | *pp_mem_addr = kmalloc(size_bytes, GFP_KERNEL); | |
| 50 | if (*pp_mem_addr == NULL) | |
| 51 | return (CPA_STATUS_RESOURCE); | |
| 52 | return (CPA_STATUS_SUCCESS); | |
| 53 | } | |
| 54 | ||
| 55 | void | |
| 56 | qat_mem_free_contig(void **pp_mem_addr) | |
| 57 | { | |
| 58 | if (*pp_mem_addr != NULL) { | |
| 59 | kfree(*pp_mem_addr); | |
| 60 | *pp_mem_addr = NULL; | |
| 61 | } | |
| 62 | } | |
| 63 | ||
| 64 | int | |
| 65 | qat_init(void) | |
| 66 | { | |
| 67 | int ret; | |
| 68 | ||
| 69 | ret = qat_dc_init(); | |
| 70 | if (ret != 0) | |
| 71 | return (ret); | |
| 72 | ||
| 73 | ret = qat_crypt_init(); | |
| 74 | if (ret != 0) { | |
| 75 | qat_dc_fini(); | |
| 76 | return (ret); | |
| 77 | } | |
| 78 | ||
| 79 | qat_ksp = kstat_create("zfs", 0, "qat", "misc", | |
| 80 | KSTAT_TYPE_NAMED, sizeof (qat_stats) / sizeof (kstat_named_t), | |
| 81 | KSTAT_FLAG_VIRTUAL); | |
| 82 | if (qat_ksp != NULL) { | |
| 83 | qat_ksp->ks_data = &qat_stats; | |
| 84 | kstat_install(qat_ksp); | |
| 85 | } | |
| 86 | ||
| 87 | return (0); | |
| 88 | } | |
| 89 | ||
| 90 | void | |
| 91 | qat_fini(void) | |
| 92 | { | |
| 93 | if (qat_ksp != NULL) { | |
| 94 | kstat_delete(qat_ksp); | |
| 95 | qat_ksp = NULL; | |
| 96 | } | |
| 97 | ||
| 98 | qat_crypt_fini(); | |
| 99 | qat_dc_fini(); | |
| 100 | } | |
| 101 | ||
| 102 | #endif |