1/* $NetBSD: qat_c3xxx.c,v 1.1 2019/11/20 09:37:46 hikaru 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) 2014 Intel Corporation. 31 * Redistribution and use in source and binary forms, with or without 32 * modification, are permitted provided that the following conditions 33 * are met: 34 * 35 * * Redistributions of source code must retain the above copyright 36 * notice, this list of conditions and the following disclaimer. 37 * * Redistributions in binary form must reproduce the above copyright 38 * notice, this list of conditions and the following disclaimer in 39 * the documentation and/or other materials provided with the 40 * distribution. 41 * * Neither the name of Intel Corporation nor the names of its 42 * contributors may be used to endorse or promote products derived 43 * from this software without specific prior written permission. 44 * 45 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 46 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 47 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 48 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 49 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 50 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 51 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 52 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 53 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 54 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 55 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 56 */ 57 58#include <sys/cdefs.h> 59__KERNEL_RCSID(0, "$NetBSD: qat_c3xxx.c,v 1.1 2019/11/20 09:37:46 hikaru Exp $"); 60 61#include <sys/param.h> 62#include <sys/systm.h> 63 64#include <dev/pci/pcireg.h> 65#include <dev/pci/pcivar.h> 66 67#include "qatreg.h" 68#include "qat_hw17reg.h" 69#include "qat_c3xxxreg.h" 70#include "qatvar.h" 71#include "qat_hw17var.h" 72 73static uint32_t 74qat_c3xxx_get_accel_mask(struct qat_softc *sc) 75{ 76 pcireg_t fusectl, strap; 77 78 fusectl = pci_conf_read(sc->sc_pc, sc->sc_pcitag, FUSECTL_REG); 79 strap = pci_conf_read(sc->sc_pc, sc->sc_pcitag, SOFTSTRAP_REG_C3XXX); 80 81 return (((~(fusectl | strap)) >> ACCEL_REG_OFFSET_C3XXX) & 82 ACCEL_MASK_C3XXX); 83} 84 85static uint32_t 86qat_c3xxx_get_ae_mask(struct qat_softc *sc) 87{ 88 pcireg_t fusectl, me_strap, me_disable, ssms_disabled; 89 90 fusectl = pci_conf_read(sc->sc_pc, sc->sc_pcitag, FUSECTL_REG); 91 me_strap = pci_conf_read(sc->sc_pc, sc->sc_pcitag, SOFTSTRAP_REG_C3XXX); 92 93 /* If SSMs are disabled, then disable the corresponding MEs */ 94 ssms_disabled = (~qat_c3xxx_get_accel_mask(sc)) & ACCEL_MASK_C3XXX; 95 me_disable = 0x3; 96 while (ssms_disabled) { 97 if (ssms_disabled & 1) 98 me_strap |= me_disable; 99 ssms_disabled >>= 1; 100 me_disable <<= 2; 101 } 102 103 return (~(fusectl | me_strap)) & AE_MASK_C3XXX; 104} 105 106static enum qat_sku 107qat_c3xxx_get_sku(struct qat_softc *sc) 108{ 109 switch (sc->sc_ae_num) { 110 case MAX_AE_C3XXX: 111 return QAT_SKU_4; 112 } 113 114 return QAT_SKU_UNKNOWN; 115} 116 117static uint32_t 118qat_c3xxx_get_accel_cap(struct qat_softc *sc) 119{ 120 uint32_t cap; 121 pcireg_t legfuse, strap; 122 123 legfuse = pci_conf_read(sc->sc_pc, sc->sc_pcitag, LEGFUSE_REG); 124 strap = pci_conf_read(sc->sc_pc, sc->sc_pcitag, SOFTSTRAP_REG_C3XXX); 125 126 cap = QAT_ACCEL_CAP_CRYPTO_SYMMETRIC + 127 QAT_ACCEL_CAP_CRYPTO_ASYMMETRIC + 128 QAT_ACCEL_CAP_CIPHER + 129 QAT_ACCEL_CAP_AUTHENTICATION + 130 QAT_ACCEL_CAP_COMPRESSION + 131 QAT_ACCEL_CAP_ZUC + 132 QAT_ACCEL_CAP_SHA3; 133 134 if (legfuse & LEGFUSE_ACCEL_MASK_CIPHER_SLICE) { 135 cap &= ~QAT_ACCEL_CAP_CRYPTO_SYMMETRIC; 136 cap &= ~QAT_ACCEL_CAP_CIPHER; 137 } 138 if (legfuse & LEGFUSE_ACCEL_MASK_AUTH_SLICE) 139 cap &= ~QAT_ACCEL_CAP_AUTHENTICATION; 140 if (legfuse & LEGFUSE_ACCEL_MASK_PKE_SLICE) 141 cap &= ~QAT_ACCEL_CAP_CRYPTO_ASYMMETRIC; 142 if (legfuse & LEGFUSE_ACCEL_MASK_COMPRESS_SLICE) 143 cap &= ~QAT_ACCEL_CAP_COMPRESSION; 144 if (legfuse & LEGFUSE_ACCEL_MASK_EIA3_SLICE) 145 cap &= ~QAT_ACCEL_CAP_ZUC; 146 147 if ((strap | legfuse) & SOFTSTRAP_SS_POWERGATE_PKE_C3XXX) 148 cap &= ~QAT_ACCEL_CAP_CRYPTO_ASYMMETRIC; 149 if ((strap | legfuse) & SOFTSTRAP_SS_POWERGATE_CY_C3XXX) 150 cap &= ~QAT_ACCEL_CAP_COMPRESSION; 151 152 return cap; 153} 154 155static const char * 156qat_c3xxx_get_fw_uof_name(struct qat_softc *sc) 157{ 158 159 return AE_FW_UOF_NAME_C3XXX; 160} 161 162static void 163qat_c3xxx_enable_intr(struct qat_softc *sc) 164{ 165 166 /* Enable bundle and misc interrupts */ 167 qat_misc_write_4(sc, SMIAPF0_C3XXX, SMIA0_MASK_C3XXX); 168 qat_misc_write_4(sc, SMIAPF1_C3XXX, SMIA1_MASK_C3XXX); 169} 170 171/* Worker thread to service arbiter mappings */ 172static uint32_t thrd_to_arb_map[] = { 173 0x12222AAA, 0x11222AAA, 0x12222AAA, 174 0x11222AAA, 0x12222AAA, 0x11222AAA 175}; 176 177static void 178qat_c3xxx_get_arb_mapping(struct qat_softc *sc, const uint32_t **arb_map_config) 179{ 180 int i; 181 182 for (i = 1; i < MAX_AE_C3XXX; i++) { 183 if ((~sc->sc_ae_mask) & (1 << i)) 184 thrd_to_arb_map[i] = 0; 185 } 186 *arb_map_config = thrd_to_arb_map; 187} 188 189static void 190qat_c3xxx_enable_error_interrupts(struct qat_softc *sc) 191{ 192 qat_misc_write_4(sc, ERRMSK0, ERRMSK0_CERR_C3XXX); /* ME0-ME3 */ 193 qat_misc_write_4(sc, ERRMSK1, ERRMSK1_CERR_C3XXX); /* ME4-ME5 */ 194 qat_misc_write_4(sc, ERRMSK5, ERRMSK5_CERR_C3XXX); /* SSM2 */ 195 196 /* Reset everything except VFtoPF1_16. */ 197 qat_misc_read_write_and_4(sc, ERRMSK3, VF2PF1_16_C3XXX); 198 199 /* RI CPP bus interface error detection and reporting. */ 200 qat_misc_write_4(sc, RICPPINTCTL_C3XXX, RICPP_EN_C3XXX); 201 202 /* TI CPP bus interface error detection and reporting. */ 203 qat_misc_write_4(sc, TICPPINTCTL_C3XXX, TICPP_EN_C3XXX); 204 205 /* Enable CFC Error interrupts and logging. */ 206 qat_misc_write_4(sc, CPP_CFC_ERR_CTRL_C3XXX, CPP_CFC_UE_C3XXX); 207} 208 209static void 210qat_c3xxx_disable_error_interrupts(struct qat_softc *sc) 211{ 212 /* ME0-ME3 */ 213 qat_misc_write_4(sc, ERRMSK0, ERRMSK0_UERR_C3XXX | ERRMSK0_CERR_C3XXX); 214 /* ME4-ME5 */ 215 qat_misc_write_4(sc, ERRMSK1, ERRMSK1_UERR_C3XXX | ERRMSK1_CERR_C3XXX); 216 /* CPP Push Pull, RI, TI, SSM0-SSM1, CFC */ 217 qat_misc_write_4(sc, ERRMSK3, ERRMSK3_UERR_C3XXX); 218 /* SSM2 */ 219 qat_misc_write_4(sc, ERRMSK5, ERRMSK5_UERR_C3XXX); 220} 221 222static void 223qat_c3xxx_enable_error_correction(struct qat_softc *sc) 224{ 225 u_int i, mask; 226 227 /* Enable Accel Engine error detection & correction */ 228 for (i = 0, mask = sc->sc_ae_mask; mask; i++, mask >>= 1) { 229 if (!(mask & 1)) 230 continue; 231 qat_misc_read_write_or_4(sc, AE_CTX_ENABLES_C3XXX(i), 232 ENABLE_AE_ECC_ERR_C3XXX); 233 qat_misc_read_write_or_4(sc, AE_MISC_CONTROL_C3XXX(i), 234 ENABLE_AE_ECC_PARITY_CORR_C3XXX); 235 } 236 237 /* Enable shared memory error detection & correction */ 238 for (i = 0, mask = sc->sc_accel_mask; mask; i++, mask >>= 1) { 239 if (!(mask & 1)) 240 continue; 241 242 qat_misc_read_write_or_4(sc, UERRSSMSH(i), ERRSSMSH_EN_C3XXX); 243 qat_misc_read_write_or_4(sc, CERRSSMSH(i), ERRSSMSH_EN_C3XXX); 244 qat_misc_read_write_or_4(sc, PPERR(i), PPERR_EN_C3XXX); 245 } 246 247 qat_c3xxx_enable_error_interrupts(sc); 248} 249 250const struct qat_hw qat_hw_c3xxx = { 251 .qhw_sram_bar_id = BAR_SRAM_ID_C3XXX, 252 .qhw_misc_bar_id = BAR_PMISC_ID_C3XXX, 253 .qhw_etr_bar_id = BAR_ETR_ID_C3XXX, 254 .qhw_cap_global_offset = CAP_GLOBAL_OFFSET_C3XXX, 255 .qhw_ae_offset = AE_OFFSET_C3XXX, 256 .qhw_ae_local_offset = AE_LOCAL_OFFSET_C3XXX, 257 .qhw_etr_bundle_size = ETR_BUNDLE_SIZE_C3XXX, 258 .qhw_num_banks = ETR_MAX_BANKS_C3XXX, 259 .qhw_num_rings_per_bank = ETR_MAX_RINGS_PER_BANK, 260 .qhw_num_accel = MAX_ACCEL_C3XXX, 261 .qhw_num_engines = MAX_AE_C3XXX, 262 .qhw_tx_rx_gap = ETR_TX_RX_GAP_C3XXX, 263 .qhw_tx_rings_mask = ETR_TX_RINGS_MASK_C3XXX, 264 .qhw_clock_per_sec = CLOCK_PER_SEC_C3XXX, 265 .qhw_fw_auth = true, 266 .qhw_fw_req_size = FW_REQ_DEFAULT_SZ_HW17, 267 .qhw_fw_resp_size = FW_RESP_DEFAULT_SZ_HW17, 268 .qhw_ring_asym_tx = 0, 269 .qhw_ring_asym_rx = 8, 270 .qhw_ring_sym_tx = 2, 271 .qhw_ring_sym_rx = 10, 272 .qhw_mof_fwname = AE_FW_MOF_NAME_C3XXX, 273 .qhw_mmp_fwname = AE_FW_MMP_NAME_C3XXX, 274 .qhw_prod_type = AE_FW_PROD_TYPE_C3XXX, 275 .qhw_get_accel_mask = qat_c3xxx_get_accel_mask, 276 .qhw_get_ae_mask = qat_c3xxx_get_ae_mask, 277 .qhw_get_sku = qat_c3xxx_get_sku, 278 .qhw_get_accel_cap = qat_c3xxx_get_accel_cap, 279 .qhw_get_fw_uof_name = qat_c3xxx_get_fw_uof_name, 280 .qhw_enable_intr = qat_c3xxx_enable_intr, 281 .qhw_init_admin_comms = qat_adm_mailbox_init, 282 .qhw_send_admin_init = qat_adm_mailbox_send_init, 283 .qhw_init_arb = qat_arb_init, 284 .qhw_get_arb_mapping = qat_c3xxx_get_arb_mapping, 285 .qhw_enable_error_correction = qat_c3xxx_enable_error_correction, 286 .qhw_disable_error_interrupts = qat_c3xxx_disable_error_interrupts, 287 .qhw_set_ssm_wdtimer = qat_set_ssm_wdtimer, 288 .qhw_check_slice_hang = qat_check_slice_hang, 289 .qhw_crypto_setup_desc = qat_hw17_crypto_setup_desc, 290 .qhw_crypto_setup_req_params = qat_hw17_crypto_setup_req_params, 291 .qhw_crypto_opaque_offset = offsetof(struct fw_la_resp, opaque_data), 292}; 293