From 6a06b00a0d1fe4c426a1778734529e536f1ff99a Mon Sep 17 00:00:00 2001 From: John Baldwin Date: Tue, 16 Mar 2021 14:48:02 -0700 Subject: [PATCH] nlmrsa: Remove this deprecated driver. Relnotes: yes Sponsored by: Chelsio Communications --- sys/mips/conf/std.XLP | 1 - sys/mips/nlm/dev/sec/nlmrsa.c | 485 ------------------------------- sys/mips/nlm/dev/sec/nlmrsalib.h | 64 ---- sys/mips/nlm/files.xlp | 1 - 4 files changed, 551 deletions(-) delete mode 100644 sys/mips/nlm/dev/sec/nlmrsa.c delete mode 100644 sys/mips/nlm/dev/sec/nlmrsalib.h diff --git a/sys/mips/conf/std.XLP b/sys/mips/conf/std.XLP index 8d8cfb693a7..ea6216dfcc6 100644 --- a/sys/mips/conf/std.XLP +++ b/sys/mips/conf/std.XLP @@ -102,7 +102,6 @@ device ds13rtc # RTC on XLP boards device crypto device cryptodev device nlmsec -device nlmrsa # Options that use crypto options IPSEC diff --git a/sys/mips/nlm/dev/sec/nlmrsa.c b/sys/mips/nlm/dev/sec/nlmrsa.c deleted file mode 100644 index 42b904d22a6..00000000000 --- a/sys/mips/nlm/dev/sec/nlmrsa.c +++ /dev/null @@ -1,485 +0,0 @@ -/*- - * SPDX-License-Identifier: BSD-2-Clause-FreeBSD - * - * Copyright (c) 2003-2012 Broadcom Corporation - * 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 BROADCOM ``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 BROADCOM 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 -__FBSDID("$FreeBSD$"); - -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#include - -#include - -#include "cryptodev_if.h" - -#include -#include - -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#ifdef NLM_RSA_DEBUG -static void print_krp_params(struct cryptkop *krp); -#endif - -static int xlp_rsa_init(struct xlp_rsa_softc *sc, int node); -static int xlp_rsa_kprocess(device_t , struct cryptkop *, int); -static int xlp_get_rsa_opsize(struct xlp_rsa_command *cmd, unsigned int bits); -static void xlp_free_cmd_params(struct xlp_rsa_command *cmd); -static int xlp_rsa_inp2hwformat(uint8_t *src, uint8_t *dst, - uint32_t paramsize, uint8_t result); - -static int xlp_rsa_probe(device_t); -static int xlp_rsa_attach(device_t); -static int xlp_rsa_detach(device_t); - -static device_method_t xlp_rsa_methods[] = { - /* device interface */ - DEVMETHOD(device_probe, xlp_rsa_probe), - DEVMETHOD(device_attach, xlp_rsa_attach), - DEVMETHOD(device_detach, xlp_rsa_detach), - - /* bus interface */ - DEVMETHOD(bus_print_child, bus_generic_print_child), - DEVMETHOD(bus_driver_added, bus_generic_driver_added), - - /* crypto device methods */ - DEVMETHOD(cryptodev_kprocess, xlp_rsa_kprocess), - - DEVMETHOD_END -}; - -static driver_t xlp_rsa_driver = { - "nlmrsa", - xlp_rsa_methods, - sizeof(struct xlp_rsa_softc) -}; -static devclass_t xlp_rsa_devclass; - -DRIVER_MODULE(nlmrsa, pci, xlp_rsa_driver, xlp_rsa_devclass, 0, 0); -MODULE_DEPEND(nlmrsa, crypto, 1, 1, 1); - -#ifdef NLM_RSA_DEBUG -static void -print_krp_params(struct cryptkop *krp) -{ - int i; - - printf("krp->krp_op :%d\n", krp->krp_op); - printf("krp->krp_status :%d\n", krp->krp_status); - printf("krp->krp_iparams:%d\n", krp->krp_iparams); - printf("krp->krp_oparams:%d\n", krp->krp_oparams); - for (i = 0; i < krp->krp_iparams + krp->krp_oparams; i++) { - printf("krp->krp_param[%d].crp_p :0x%llx\n", i, - (unsigned long long)krp->krp_param[i].crp_p); - printf("krp->krp_param[%d].crp_nbits :%d\n", i, - krp->krp_param[i].crp_nbits); - printf("krp->krp_param[%d].crp_nbytes :%d\n", i, - howmany(krp->krp_param[i].crp_nbits, 8)); - } -} -#endif - -static int -xlp_rsa_init(struct xlp_rsa_softc *sc, int node) -{ - struct xlp_rsa_command *cmd = NULL; - uint32_t fbvc, dstvc, endsel, regval; - struct nlm_fmn_msg m; - int err, ret, i; - uint64_t base; - - /* Register interrupt handler for the RSA/ECC CMS messages */ - if (register_msgring_handler(sc->rsaecc_vc_start, - sc->rsaecc_vc_end, nlm_xlprsaecc_msgring_handler, sc) != 0) { - err = -1; - printf("Couldn't register rsa/ecc msgring handler\n"); - goto errout; - } - fbvc = nlm_cpuid() * 4 + XLPGE_FB_VC; - /* Do the CMS credit initialization */ - /* Currently it is configured by default to 50 when kernel comes up */ - -#if BYTE_ORDER == LITTLE_ENDIAN - for (i = 0; i < nitems(nlm_rsa_ucode_data); i++) - nlm_rsa_ucode_data[i] = htobe64(nlm_rsa_ucode_data[i]); -#endif - for (dstvc = sc->rsaecc_vc_start; dstvc <= sc->rsaecc_vc_end; dstvc++) { - cmd = malloc(sizeof(struct xlp_rsa_command), M_DEVBUF, - M_NOWAIT | M_ZERO); - KASSERT(cmd != NULL, ("%s:cmd is NULL\n", __func__)); - cmd->rsasrc = contigmalloc(sizeof(nlm_rsa_ucode_data), - M_DEVBUF, - (M_WAITOK | M_ZERO), - 0UL /* low address */, -1UL /* high address */, - XLP_L2L3_CACHELINE_SIZE /* alignment */, - 0UL /* boundary */); - KASSERT(cmd->rsasrc != NULL, - ("%s:cmd->rsasrc is NULL\n", __func__)); - memcpy(cmd->rsasrc, nlm_rsa_ucode_data, - sizeof(nlm_rsa_ucode_data)); - m.msg[0] = nlm_crypto_form_rsa_ecc_fmn_entry0(1, 0x70, 0, - vtophys(cmd->rsasrc)); - m.msg[1] = nlm_crypto_form_rsa_ecc_fmn_entry1(0, 1, fbvc, - vtophys(cmd->rsasrc)); - /* Software scratch pad */ - m.msg[2] = (uintptr_t)cmd; - m.msg[3] = 0; - - ret = nlm_fmn_msgsend(dstvc, 3, FMN_SWCODE_RSA, &m); - if (ret != 0) { - err = -1; - printf("%s: msgsnd failed (%x)\n", __func__, ret); - goto errout; - } - } - /* Configure so that all VCs send request to all RSA pipes */ - base = nlm_get_rsa_regbase(node); - if (nlm_is_xlp3xx()) { - endsel = 1; - regval = 0xFFFF; - } else { - endsel = 3; - regval = 0x07FFFFFF; - } - for (i = 0; i < endsel; i++) - nlm_write_rsa_reg(base, RSA_ENG_SEL_0 + i, regval); - return (0); -errout: - xlp_free_cmd_params(cmd); - return (err); -} - -/* This function is called from an interrupt handler */ -void -nlm_xlprsaecc_msgring_handler(int vc, int size, int code, int src_id, - struct nlm_fmn_msg *msg, void *data) -{ - struct xlp_rsa_command *cmd; - struct xlp_rsa_softc *sc; - struct crparam *outparam; - int ostart; - - KASSERT(code == FMN_SWCODE_RSA, - ("%s: bad code = %d, expected code = %d\n", __func__, code, - FMN_SWCODE_RSA)); - - sc = data; - KASSERT(src_id >= sc->rsaecc_vc_start && src_id <= sc->rsaecc_vc_end, - ("%s: bad src_id = %d, expect %d - %d\n", __func__, - src_id, sc->rsaecc_vc_start, sc->rsaecc_vc_end)); - - cmd = (struct xlp_rsa_command *)(uintptr_t)msg->msg[1]; - KASSERT(cmd != NULL, ("%s:cmd not received properly\n", __func__)); - - if (RSA_ERROR(msg->msg[0]) != 0) { - printf("%s: Message rcv msg0 %llx msg1 %llx err %x \n", - __func__, (unsigned long long)msg->msg[0], - (unsigned long long)msg->msg[1], - (int)RSA_ERROR(msg->msg[0])); - cmd->krp->krp_status = EBADMSG; - } - - if (cmd->krp != NULL) { - ostart = cmd->krp->krp_iparams; - outparam = &cmd->krp->krp_param[ostart]; - xlp_rsa_inp2hwformat(cmd->rsasrc + cmd->rsaopsize * ostart, - outparam->crp_p, - howmany(outparam->crp_nbits, 8), - 1); - crypto_kdone(cmd->krp); - } - - xlp_free_cmd_params(cmd); -} - -static int -xlp_rsa_probe(device_t dev) -{ - struct xlp_rsa_softc *sc; - - if (pci_get_vendor(dev) == PCI_VENDOR_NETLOGIC && - pci_get_device(dev) == PCI_DEVICE_ID_NLM_RSA) { - sc = device_get_softc(dev); - return (BUS_PROBE_DEFAULT); - } - return (ENXIO); -} - -/* - * Attach an interface that successfully probed. - */ -static int -xlp_rsa_attach(device_t dev) -{ - struct xlp_rsa_softc *sc = device_get_softc(dev); - uint64_t base; - int qstart, qnum; - int freq, node; - - sc->sc_dev = dev; - - node = nlm_get_device_node(pci_get_slot(dev)); - freq = nlm_set_device_frequency(node, DFS_DEVICE_RSA, 250); - if (bootverbose) - device_printf(dev, "RSA Freq: %dMHz\n", freq); - if (pci_get_device(dev) == PCI_DEVICE_ID_NLM_RSA) { - device_set_desc(dev, "XLP RSA/ECC Accelerator"); - sc->sc_cid = crypto_get_driverid(dev, - sizeof(struct xlp_rsa_session), CRYPTOCAP_F_HARDWARE); - if (sc->sc_cid < 0) { - printf("xlp_rsaecc-err:couldn't get the driver id\n"); - goto error_exit; - } - if (crypto_kregister(sc->sc_cid, CRK_MOD_EXP, 0) != 0) - goto error_exit; - - base = nlm_get_rsa_pcibase(node); - qstart = nlm_qidstart(base); - qnum = nlm_qnum(base); - sc->rsaecc_vc_start = qstart; - sc->rsaecc_vc_end = qstart + qnum - 1; - } - if (xlp_rsa_init(sc, node) != 0) - goto error_exit; - device_printf(dev, "RSA Initialization complete!\n"); - gone_in_dev(dev, 14, "Asymmetric crypto"); - return (0); - -error_exit: - return (ENXIO); -} - -/* - * Detach an interface that successfully probed. - */ -static int -xlp_rsa_detach(device_t dev) -{ - return (0); -} - -/* - * XXX freesession should run a zero'd mac/encrypt key into context ram. - * XXX to blow away any keys already stored there. - */ - -static void -xlp_free_cmd_params(struct xlp_rsa_command *cmd) -{ - - if (cmd == NULL) - return; - if (cmd->rsasrc != NULL) { - if (cmd->krp == NULL) /* Micro code load */ - contigfree(cmd->rsasrc, sizeof(nlm_rsa_ucode_data), - M_DEVBUF); - else - free(cmd->rsasrc, M_DEVBUF); - } - free(cmd, M_DEVBUF); -} - -static int -xlp_get_rsa_opsize(struct xlp_rsa_command *cmd, unsigned int bits) -{ - - if (bits == 0 || bits > 8192) - return (-1); - /* XLP hardware expects always a fixed size with unused bytes - * zeroed out in the input data */ - if (bits <= 512) { - cmd->rsatype = 0x40; - cmd->rsaopsize = 64; - } else if (bits <= 1024) { - cmd->rsatype = 0x41; - cmd->rsaopsize = 128; - } else if (bits <= 2048) { - cmd->rsatype = 0x42; - cmd->rsaopsize = 256; - } else if (bits <= 4096) { - cmd->rsatype = 0x43; - cmd->rsaopsize = 512; - } else if (bits <= 8192) { - cmd->rsatype = 0x44; - cmd->rsaopsize = 1024; - } - return (0); -} - -static int -xlp_rsa_inp2hwformat(uint8_t *src, uint8_t *dst, uint32_t paramsize, - uint8_t result) -{ - uint32_t pdwords, pbytes; - int i, j, k; - - pdwords = paramsize / 8; - pbytes = paramsize % 8; - - for (i = 0, k = 0; i < pdwords; i++) { - /* copy dwords of inp/hw to hw/out format */ - for (j = 7; j >= 0; j--, k++) - dst[i * 8 + j] = src[k]; - } - if (pbytes) { - if (result == 0) { - /* copy rem bytes of input data to hw format */ - for (j = 7; k < paramsize; j--, k++) - dst[i * 8 + j] = src[k]; - } else { - /* copy rem bytes of hw data to exp output format */ - for (j = 7; k < paramsize; j--, k++) - dst[k] = src[i * 8 + j]; - } - } - - return (0); -} - -static int -nlm_crypto_complete_rsa_request(struct xlp_rsa_softc *sc, - struct xlp_rsa_command *cmd) -{ - unsigned int fbvc; - struct nlm_fmn_msg m; - int ret; - - fbvc = nlm_cpuid() * 4 + XLPGE_FB_VC; - - m.msg[0] = nlm_crypto_form_rsa_ecc_fmn_entry0(1, cmd->rsatype, - cmd->rsafn, vtophys(cmd->rsasrc)); - m.msg[1] = nlm_crypto_form_rsa_ecc_fmn_entry1(0, 1, fbvc, - vtophys(cmd->rsasrc + cmd->rsaopsize * cmd->krp->krp_iparams)); - /* Software scratch pad */ - m.msg[2] = (uintptr_t)cmd; - m.msg[3] = 0; - - /* Send the message to rsa engine vc */ - ret = nlm_fmn_msgsend(sc->rsaecc_vc_start, 3, FMN_SWCODE_RSA, &m); - if (ret != 0) { -#ifdef NLM_SEC_DEBUG - printf("%s: msgsnd failed (%x)\n", __func__, ret); -#endif - return (ERESTART); - } - return (0); -} - -static int -xlp_rsa_kprocess(device_t dev, struct cryptkop *krp, int hint) -{ - struct xlp_rsa_softc *sc = device_get_softc(dev); - struct xlp_rsa_command *cmd; - struct crparam *kp; - int err, i; - - if (krp == NULL || krp->krp_callback == NULL) - return (EINVAL); - - cmd = malloc(sizeof(struct xlp_rsa_command), M_DEVBUF, - M_NOWAIT | M_ZERO); - KASSERT(cmd != NULL, ("%s:cmd is NULL\n", __func__)); - cmd->krp = krp; - -#ifdef NLM_RSA_DEBUG - print_krp_params(krp); -#endif - err = EOPNOTSUPP; - switch (krp->krp_op) { - case CRK_MOD_EXP: - if (krp->krp_iparams == 3 && krp->krp_oparams == 1) - break; - goto errout; - default: - device_printf(dev, "Op:%d not yet supported\n", krp->krp_op); - goto errout; - } - - err = xlp_get_rsa_opsize(cmd, - krp->krp_param[krp->krp_iparams - 1].crp_nbits); - if (err != 0) { - err = EINVAL; - goto errout; - } - cmd->rsafn = 0; /* Mod Exp */ - cmd->rsasrc = malloc( - cmd->rsaopsize * (krp->krp_iparams + krp->krp_oparams), - M_DEVBUF, - M_NOWAIT | M_ZERO); - if (cmd->rsasrc == NULL) { - err = ENOMEM; - goto errout; - } - - for (i = 0, kp = krp->krp_param; i < krp->krp_iparams; i++, kp++) { - KASSERT(kp->crp_nbits != 0, - ("%s: parameter[%d]'s length is zero\n", __func__, i)); - xlp_rsa_inp2hwformat(kp->crp_p, - cmd->rsasrc + i * cmd->rsaopsize, - howmany(kp->crp_nbits, 8), 0); - } - err = nlm_crypto_complete_rsa_request(sc, cmd); - if (err != 0) - goto errout; - - return (0); -errout: - xlp_free_cmd_params(cmd); - krp->krp_status = err; - crypto_kdone(krp); - return (err); -} diff --git a/sys/mips/nlm/dev/sec/nlmrsalib.h b/sys/mips/nlm/dev/sec/nlmrsalib.h deleted file mode 100644 index 8166f0f0ded..00000000000 --- a/sys/mips/nlm/dev/sec/nlmrsalib.h +++ /dev/null @@ -1,64 +0,0 @@ -/*- - * SPDX-License-Identifier: BSD-2-Clause-FreeBSD - * - * Copyright (c) 2003-2012 Broadcom Corporation - * 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 BROADCOM ``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 BROADCOM 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. - * - * $FreeBSD$ - */ -#ifndef _NLMRSALIB_H_ -#define _NLMRSALIB_H_ - -#define RSA_ERROR(msg0) (((msg0) >> 53) & 0x1f) - -struct xlp_rsa_session { -}; - -struct xlp_rsa_command { - struct xlp_rsa_session *ses; - struct cryptkop *krp; - uint8_t *rsasrc; - uint32_t rsaopsize; - uint32_t rsatype; - uint32_t rsafn; -}; - -/* - * Holds data specific to nlm security accelerators - */ -struct xlp_rsa_softc { - device_t sc_dev; /* device backpointer */ - uint64_t rsa_base; - int sc_cid; - int rsaecc_vc_start; - int rsaecc_vc_end; -}; - -void -nlm_xlprsaecc_msgring_handler(int vc, int size, int code, int src_id, - struct nlm_fmn_msg *msg, void *data); - -#endif /* _NLMRSALIB_H_ */ diff --git a/sys/mips/nlm/files.xlp b/sys/mips/nlm/files.xlp index db6c4eba675..ecb2477bab0 100644 --- a/sys/mips/nlm/files.xlp +++ b/sys/mips/nlm/files.xlp @@ -36,4 +36,3 @@ ucore_app_bin.h optional xlpge \ # mips/nlm/dev/sec/nlmsec.c optional nlmsec mips/nlm/dev/sec/nlmseclib.c optional nlmsec -mips/nlm/dev/sec/nlmrsa.c optional nlmrsa -- 2.45.0