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 https://opensource.org/licenses/CDDL-1.0. 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 <sys/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 { "cksum_requests", KSTAT_DATA_UINT64 }, 42 { "cksum_total_in_bytes", KSTAT_DATA_UINT64 }, 43 { "cksum_fails", KSTAT_DATA_UINT64 }, 44 }; 45 46 static kstat_t *qat_ksp = NULL; 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 { 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 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 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 } 100 101 qat_cy_fini(); 102 qat_dc_fini(); 103 } 104 105 #endif 106