1/* $NetBSD: qat_c2xxx.c,v 1.2 2022/05/24 08:35:47 knakahara Exp $ */ 2 3/* 4 * Copyright (c) 2019 Internet Initiative Japan, Inc. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 17 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 18 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 19 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 20 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 26 * POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29/* 30 * Copyright(c) 2007-2013 Intel Corporation. All rights reserved. 31 * 32 * Redistribution and use in source and binary forms, with or without 33 * modification, are permitted provided that the following conditions 34 * are met: 35 * 36 * * Redistributions of source code must retain the above copyright 37 * notice, this list of conditions and the following disclaimer. 38 * * Redistributions in binary form must reproduce the above copyright 39 * notice, this list of conditions and the following disclaimer in 40 * the documentation and/or other materials provided with the 41 * distribution. 42 * * Neither the name of Intel Corporation nor the names of its 43 * contributors may be used to endorse or promote products derived 44 * from this software without specific prior written permission. 45 * 46 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 47 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 48 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 49 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 50 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 51 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 52 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 53 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 54 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 55 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 56 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 57 */ 58 59#include <sys/cdefs.h> 60__KERNEL_RCSID(0, "$NetBSD: qat_c2xxx.c,v 1.2 2022/05/24 08:35:47 knakahara Exp $"); 61 62#include <sys/param.h> 63#include <sys/systm.h> 64 65#include <dev/pci/pcireg.h> 66#include <dev/pci/pcivar.h> 67 68#include "qatreg.h" 69#include "qat_hw15reg.h" 70#include "qat_c2xxxreg.h" 71#include "qatvar.h" 72#include "qat_hw15var.h" 73 74static uint32_t 75qat_c2xxx_get_accel_mask(struct qat_softc *sc) 76{ 77 pcireg_t fusectl; 78 79 fusectl = pci_conf_read(sc->sc_pc, sc->sc_pcitag, FUSECTL_REG); 80 81 return ((~fusectl) & ACCEL_MASK_C2XXX); 82} 83 84static uint32_t 85qat_c2xxx_get_ae_mask(struct qat_softc *sc) 86{ 87 pcireg_t fusectl; 88 89 fusectl = pci_conf_read(sc->sc_pc, sc->sc_pcitag, FUSECTL_REG); 90 if (fusectl & ( 91 FUSECTL_C2XXX_PKE_DISABLE | 92 FUSECTL_C2XXX_ATH_DISABLE | 93 FUSECTL_C2XXX_CPH_DISABLE)) { 94 return 0; 95 } else { 96 return ((~fusectl) & AE_MASK_C2XXX); 97 } 98} 99 100static enum qat_sku 101qat_c2xxx_get_sku(struct qat_softc *sc) 102{ 103 pcireg_t fusectl; 104 105 fusectl = pci_conf_read(sc->sc_pc, sc->sc_pcitag, FUSECTL_REG); 106 107 switch (sc->sc_ae_num) { 108 case 1: 109 if (fusectl & FUSECTL_C2XXX_LOW_SKU) 110 return QAT_SKU_3; 111 else if (fusectl & FUSECTL_C2XXX_MID_SKU) 112 return QAT_SKU_2; 113 break; 114 case MAX_AE_C2XXX: 115 return QAT_SKU_1; 116 } 117 118 return QAT_SKU_UNKNOWN; 119} 120 121static uint32_t 122qat_c2xxx_get_accel_cap(struct qat_softc *sc) 123{ 124 return QAT_ACCEL_CAP_CRYPTO_SYMMETRIC | 125 QAT_ACCEL_CAP_CRYPTO_ASYMMETRIC | 126 QAT_ACCEL_CAP_CIPHER | 127 QAT_ACCEL_CAP_AUTHENTICATION; 128} 129 130static const char * 131qat_c2xxx_get_fw_uof_name(struct qat_softc *sc) 132{ 133 if (sc->sc_rev < QAT_REVID_C2XXX_B0) 134 return AE_FW_UOF_NAME_C2XXX_A0; 135 136 /* QAT_REVID_C2XXX_B0 and QAT_REVID_C2XXX_C0 */ 137 return AE_FW_UOF_NAME_C2XXX_B0; 138} 139 140static void 141qat_c2xxx_enable_intr(struct qat_softc *sc) 142{ 143 144 qat_misc_write_4(sc, EP_SMIA_C2XXX, EP_SMIA_MASK_C2XXX); 145} 146 147static void 148qat_c2xxx_init_etr_intr(struct qat_softc *sc, int bank) 149{ 150 /* 151 * For now, all rings within the bank are setup such that the generation 152 * of flag interrupts will be triggered when ring leaves the empty 153 * state. Note that in order for the ring interrupt to generate an IRQ 154 * the interrupt must also be enabled for the ring. 155 */ 156 qat_etr_bank_write_4(sc, bank, ETR_INT_SRCSEL, 157 ETR_INT_SRCSEL_MASK_0_C2XXX); 158 qat_etr_bank_write_4(sc, bank, ETR_INT_SRCSEL_2, 159 ETR_INT_SRCSEL_MASK_X_C2XXX); 160} 161 162const struct qat_hw qat_hw_c2xxx = { 163 .qhw_sram_bar_id = BAR_SRAM_ID_C2XXX, 164 .qhw_misc_bar_id = BAR_PMISC_ID_C2XXX, 165 .qhw_etr_bar_id = BAR_ETR_ID_C2XXX, 166 .qhw_cap_global_offset = CAP_GLOBAL_OFFSET_C2XXX, 167 .qhw_ae_offset = AE_OFFSET_C2XXX, 168 .qhw_ae_local_offset = AE_LOCAL_OFFSET_C2XXX, 169 .qhw_etr_bundle_size = ETR_BUNDLE_SIZE_C2XXX, 170 .qhw_num_banks = ETR_MAX_BANKS_C2XXX, 171 .qhw_num_ap_banks = ETR_MAX_AP_BANKS_C2XXX, 172 .qhw_num_rings_per_bank = ETR_MAX_RINGS_PER_BANK, 173 .qhw_num_accel = MAX_ACCEL_C2XXX, 174#if 0 175 .qhw_num_engines = MAX_AE_C2XXX, 176#else 177 /* 178 * Workaround: 179 * C2xxx qat has two engines, however it doesn't have arbiter which 180 * C3xxx qat has. So, we don't use secondary engine for C2xxx qat. 181 */ 182 .qhw_num_engines = 1, 183#endif 184 .qhw_tx_rx_gap = ETR_TX_RX_GAP_C2XXX, 185 .qhw_tx_rings_mask = ETR_TX_RINGS_MASK_C2XXX, 186 .qhw_msix_ae_vec_gap = MSIX_AE_VEC_GAP_C2XXX, 187 .qhw_fw_auth = false, 188 .qhw_fw_req_size = FW_REQ_DEFAULT_SZ_HW15, 189 .qhw_fw_resp_size = FW_REQ_DEFAULT_SZ_HW15, 190 .qhw_ring_asym_tx = 2, 191 .qhw_ring_asym_rx = 3, 192 .qhw_ring_sym_tx = 4, 193 .qhw_ring_sym_rx = 5, 194 .qhw_mof_fwname = AE_FW_MOF_NAME_C2XXX, 195 .qhw_mmp_fwname = AE_FW_MMP_NAME_C2XXX, 196 .qhw_prod_type = AE_FW_PROD_TYPE_C2XXX, 197 .qhw_get_accel_mask = qat_c2xxx_get_accel_mask, 198 .qhw_get_ae_mask = qat_c2xxx_get_ae_mask, 199 .qhw_get_sku = qat_c2xxx_get_sku, 200 .qhw_get_accel_cap = qat_c2xxx_get_accel_cap, 201 .qhw_get_fw_uof_name = qat_c2xxx_get_fw_uof_name, 202 .qhw_enable_intr = qat_c2xxx_enable_intr, 203 .qhw_init_etr_intr = qat_c2xxx_init_etr_intr, 204 .qhw_init_admin_comms = qat_adm_ring_init, 205 .qhw_send_admin_init = qat_adm_ring_send_init, 206 .qhw_crypto_setup_desc = qat_hw15_crypto_setup_desc, 207 .qhw_crypto_setup_req_params = qat_hw15_crypto_setup_req_params, 208 .qhw_crypto_opaque_offset = 209 offsetof(struct fw_la_resp, comn_resp.opaque_data), 210}; 211