/* SPDX-License-Identifier: BSD-2-Clause AND BSD-3-Clause */ /* $NetBSD: qat_c62x.c,v 1.1 2019/11/20 09:37:46 hikaru Exp $ */ /* * Copyright (c) 2019 Internet Initiative Japan, Inc. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ /* * Copyright(c) 2014 Intel Corporation. * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in * the documentation and/or other materials provided with the * distribution. * * Neither the name of Intel Corporation nor the names of its * contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include #if 0 __KERNEL_RCSID(0, "$NetBSD: qat_c62x.c,v 1.1 2019/11/20 09:37:46 hikaru Exp $"); #endif #include #include #include #include #include #include #include "qatreg.h" #include "qat_hw17reg.h" #include "qat_c62xreg.h" #include "qatvar.h" #include "qat_hw17var.h" static uint32_t qat_c62x_get_accel_mask(struct qat_softc *sc) { uint32_t fusectl, strap; fusectl = pci_read_config(sc->sc_dev, FUSECTL_REG, 4); strap = pci_read_config(sc->sc_dev, SOFTSTRAP_REG_C62X, 4); return (((~(fusectl | strap)) >> ACCEL_REG_OFFSET_C62X) & ACCEL_MASK_C62X); } static uint32_t qat_c62x_get_ae_mask(struct qat_softc *sc) { uint32_t fusectl, me_strap, me_disable, ssms_disabled; fusectl = pci_read_config(sc->sc_dev, FUSECTL_REG, 4); me_strap = pci_read_config(sc->sc_dev, SOFTSTRAP_REG_C62X, 4); /* If SSMs are disabled, then disable the corresponding MEs */ ssms_disabled = (~qat_c62x_get_accel_mask(sc)) & ACCEL_MASK_C62X; me_disable = 0x3; while (ssms_disabled) { if (ssms_disabled & 1) me_strap |= me_disable; ssms_disabled >>= 1; me_disable <<= 2; } return (~(fusectl | me_strap)) & AE_MASK_C62X; } static enum qat_sku qat_c62x_get_sku(struct qat_softc *sc) { switch (sc->sc_ae_num) { case 8: return QAT_SKU_2; case MAX_AE_C62X: return QAT_SKU_4; } return QAT_SKU_UNKNOWN; } static uint32_t qat_c62x_get_accel_cap(struct qat_softc *sc) { uint32_t cap, legfuse, strap; legfuse = pci_read_config(sc->sc_dev, LEGFUSE_REG, 4); strap = pci_read_config(sc->sc_dev, SOFTSTRAP_REG_C62X, 4); cap = QAT_ACCEL_CAP_CRYPTO_SYMMETRIC + QAT_ACCEL_CAP_CRYPTO_ASYMMETRIC + QAT_ACCEL_CAP_CIPHER + QAT_ACCEL_CAP_AUTHENTICATION + QAT_ACCEL_CAP_COMPRESSION + QAT_ACCEL_CAP_ZUC + QAT_ACCEL_CAP_SHA3; if (legfuse & LEGFUSE_ACCEL_MASK_CIPHER_SLICE) { cap &= ~QAT_ACCEL_CAP_CRYPTO_SYMMETRIC; cap &= ~QAT_ACCEL_CAP_CIPHER; } if (legfuse & LEGFUSE_ACCEL_MASK_AUTH_SLICE) cap &= ~QAT_ACCEL_CAP_AUTHENTICATION; if (legfuse & LEGFUSE_ACCEL_MASK_PKE_SLICE) cap &= ~QAT_ACCEL_CAP_CRYPTO_ASYMMETRIC; if (legfuse & LEGFUSE_ACCEL_MASK_COMPRESS_SLICE) cap &= ~QAT_ACCEL_CAP_COMPRESSION; if (legfuse & LEGFUSE_ACCEL_MASK_EIA3_SLICE) cap &= ~QAT_ACCEL_CAP_ZUC; if ((strap | legfuse) & SOFTSTRAP_SS_POWERGATE_PKE_C62X) cap &= ~QAT_ACCEL_CAP_CRYPTO_ASYMMETRIC; if ((strap | legfuse) & SOFTSTRAP_SS_POWERGATE_CY_C62X) cap &= ~QAT_ACCEL_CAP_COMPRESSION; return cap; } static const char * qat_c62x_get_fw_uof_name(struct qat_softc *sc) { return AE_FW_UOF_NAME_C62X; } static void qat_c62x_enable_intr(struct qat_softc *sc) { /* Enable bundle and misc interrupts */ qat_misc_write_4(sc, SMIAPF0_C62X, SMIA0_MASK_C62X); qat_misc_write_4(sc, SMIAPF1_C62X, SMIA1_MASK_C62X); } /* Worker thread to service arbiter mappings */ static uint32_t thrd_to_arb_map[] = { 0x12222AAA, 0x11222AAA, 0x12222AAA, 0x11222AAA, 0x12222AAA, 0x11222AAA, 0x12222AAA, 0x11222AAA, 0x12222AAA, 0x11222AAA }; static void qat_c62x_get_arb_mapping(struct qat_softc *sc, const uint32_t **arb_map_config) { int i; for (i = 1; i < MAX_AE_C62X; i++) { if ((~sc->sc_ae_mask) & (1 << i)) thrd_to_arb_map[i] = 0; } *arb_map_config = thrd_to_arb_map; } static void qat_c62x_enable_error_interrupts(struct qat_softc *sc) { qat_misc_write_4(sc, ERRMSK0, ERRMSK0_CERR_C62X); /* ME0-ME3 */ qat_misc_write_4(sc, ERRMSK1, ERRMSK1_CERR_C62X); /* ME4-ME7 */ qat_misc_write_4(sc, ERRMSK4, ERRMSK4_CERR_C62X); /* ME8-ME9 */ qat_misc_write_4(sc, ERRMSK5, ERRMSK5_CERR_C62X); /* SSM2-SSM4 */ /* Reset everything except VFtoPF1_16. */ qat_misc_read_write_and_4(sc, ERRMSK3, VF2PF1_16_C62X); /* Disable Secure RAM correctable error interrupt */ qat_misc_read_write_or_4(sc, ERRMSK3, ERRMSK3_CERR_C62X); /* RI CPP bus interface error detection and reporting. */ qat_misc_write_4(sc, RICPPINTCTL_C62X, RICPP_EN_C62X); /* TI CPP bus interface error detection and reporting. */ qat_misc_write_4(sc, TICPPINTCTL_C62X, TICPP_EN_C62X); /* Enable CFC Error interrupts and logging. */ qat_misc_write_4(sc, CPP_CFC_ERR_CTRL_C62X, CPP_CFC_UE_C62X); /* Enable SecureRAM to fix and log Correctable errors */ qat_misc_write_4(sc, SECRAMCERR_C62X, SECRAM_CERR_C62X); /* Enable SecureRAM Uncorrectable error interrupts and logging */ qat_misc_write_4(sc, SECRAMUERR, SECRAM_UERR_C62X); /* Enable Push/Pull Misc Uncorrectable error interrupts and logging */ qat_misc_write_4(sc, CPPMEMTGTERR, TGT_UERR_C62X); } static void qat_c62x_disable_error_interrupts(struct qat_softc *sc) { /* ME0-ME3 */ qat_misc_write_4(sc, ERRMSK0, ERRMSK0_UERR_C62X | ERRMSK0_CERR_C62X); /* ME4-ME7 */ qat_misc_write_4(sc, ERRMSK1, ERRMSK1_UERR_C62X | ERRMSK1_CERR_C62X); /* Secure RAM, CPP Push Pull, RI, TI, SSM0-SSM1, CFC */ qat_misc_write_4(sc, ERRMSK3, ERRMSK3_UERR_C62X | ERRMSK3_CERR_C62X); /* ME8-ME9 */ qat_misc_write_4(sc, ERRMSK4, ERRMSK4_UERR_C62X | ERRMSK4_CERR_C62X); /* SSM2-SSM4 */ qat_misc_write_4(sc, ERRMSK5, ERRMSK5_UERR_C62X | ERRMSK5_CERR_C62X); } static void qat_c62x_enable_error_correction(struct qat_softc *sc) { u_int i, mask; /* Enable Accel Engine error detection & correction */ for (i = 0, mask = sc->sc_ae_mask; mask; i++, mask >>= 1) { if (!(mask & 1)) continue; qat_misc_read_write_or_4(sc, AE_CTX_ENABLES_C62X(i), ENABLE_AE_ECC_ERR_C62X); qat_misc_read_write_or_4(sc, AE_MISC_CONTROL_C62X(i), ENABLE_AE_ECC_PARITY_CORR_C62X); } /* Enable shared memory error detection & correction */ for (i = 0, mask = sc->sc_accel_mask; mask; i++, mask >>= 1) { if (!(mask & 1)) continue; qat_misc_read_write_or_4(sc, UERRSSMSH(i), ERRSSMSH_EN_C62X); qat_misc_read_write_or_4(sc, CERRSSMSH(i), ERRSSMSH_EN_C62X); qat_misc_read_write_or_4(sc, PPERR(i), PPERR_EN_C62X); } qat_c62x_enable_error_interrupts(sc); } const struct qat_hw qat_hw_c62x = { .qhw_sram_bar_id = BAR_SRAM_ID_C62X, .qhw_misc_bar_id = BAR_PMISC_ID_C62X, .qhw_etr_bar_id = BAR_ETR_ID_C62X, .qhw_cap_global_offset = CAP_GLOBAL_OFFSET_C62X, .qhw_ae_offset = AE_OFFSET_C62X, .qhw_ae_local_offset = AE_LOCAL_OFFSET_C62X, .qhw_etr_bundle_size = ETR_BUNDLE_SIZE_C62X, .qhw_num_banks = ETR_MAX_BANKS_C62X, .qhw_num_rings_per_bank = ETR_MAX_RINGS_PER_BANK, .qhw_num_accel = MAX_ACCEL_C62X, .qhw_num_engines = MAX_AE_C62X, .qhw_tx_rx_gap = ETR_TX_RX_GAP_C62X, .qhw_tx_rings_mask = ETR_TX_RINGS_MASK_C62X, .qhw_clock_per_sec = CLOCK_PER_SEC_C62X, .qhw_fw_auth = true, .qhw_fw_req_size = FW_REQ_DEFAULT_SZ_HW17, .qhw_fw_resp_size = FW_RESP_DEFAULT_SZ_HW17, .qhw_ring_asym_tx = 0, .qhw_ring_asym_rx = 8, .qhw_ring_sym_tx = 2, .qhw_ring_sym_rx = 10, .qhw_mof_fwname = AE_FW_MOF_NAME_C62X, .qhw_mmp_fwname = AE_FW_MMP_NAME_C62X, .qhw_prod_type = AE_FW_PROD_TYPE_C62X, .qhw_get_accel_mask = qat_c62x_get_accel_mask, .qhw_get_ae_mask = qat_c62x_get_ae_mask, .qhw_get_sku = qat_c62x_get_sku, .qhw_get_accel_cap = qat_c62x_get_accel_cap, .qhw_get_fw_uof_name = qat_c62x_get_fw_uof_name, .qhw_enable_intr = qat_c62x_enable_intr, .qhw_init_admin_comms = qat_adm_mailbox_init, .qhw_send_admin_init = qat_adm_mailbox_send_init, .qhw_init_arb = qat_arb_init, .qhw_get_arb_mapping = qat_c62x_get_arb_mapping, .qhw_enable_error_correction = qat_c62x_enable_error_correction, .qhw_disable_error_interrupts = qat_c62x_disable_error_interrupts, .qhw_set_ssm_wdtimer = qat_set_ssm_wdtimer, .qhw_check_slice_hang = qat_check_slice_hang, .qhw_crypto_setup_desc = qat_hw17_crypto_setup_desc, .qhw_crypto_setup_req_params = qat_hw17_crypto_setup_req_params, .qhw_crypto_opaque_offset = offsetof(struct fw_la_resp, opaque_data), };