Changeset View
Changeset View
Standalone View
Standalone View
sys/arm64/iommu/smmu_quirks.c
- This file was added.
| /*- | |||||
| * SPDX-License-Identifier: BSD-2-Clause | |||||
| * | |||||
| * Copyright (c) 2020 Ruslan Bukin <br@bsdpad.com> | |||||
| * | |||||
| * This software was developed by SRI International and the University of | |||||
| * Cambridge Computer Laboratory (Department of Computer Science and | |||||
| * Technology) under DARPA contract HR0011-18-C-0016 ("ECATS"), as part of the | |||||
| * DARPA SSITH research programme. | |||||
| * | |||||
| * 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 AUTHOR 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 AUTHOR 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 "opt_platform.h" | |||||
| #include "opt_acpi.h" | |||||
| #include <sys/cdefs.h> | |||||
| __FBSDID("$FreeBSD$"); | |||||
| #include <sys/param.h> | |||||
| #include <sys/bitstring.h> | |||||
| #include <sys/systm.h> | |||||
| #include <sys/bus.h> | |||||
| #include <sys/kernel.h> | |||||
| #include <sys/rman.h> | |||||
| #include <sys/tree.h> | |||||
| #include <sys/taskqueue.h> | |||||
| #include <sys/sysctl.h> | |||||
| #include <vm/vm.h> | |||||
| #include <vm/uma.h> | |||||
| #include <vm/pmap.h> | |||||
| #include <vm/vm_extern.h> | |||||
| #include <vm/vm_page.h> | |||||
| #include <dev/pci/pcireg.h> | |||||
| #include <dev/pci/pcivar.h> | |||||
| #include <dev/iommu/iommu.h> | |||||
| #include "smmu_iommu.h" | |||||
| #include "smmu_var.h" | |||||
| struct smmu_quirk_entry { | |||||
| uint16_t vendor; | |||||
| uint16_t device; | |||||
| const char *name; | |||||
| uint8_t event_id; | |||||
| uintptr_t input_address; | |||||
| }; | |||||
| /* List of events that are known and will be silenced. */ | |||||
| static const struct smmu_quirk_entry smmu_quirk_table[] = { | |||||
| { 0x10ec, 0x8168, "RealTek 8168/8111", 0x10 /* F_TRANSLATION */, 0x0 }, | |||||
| { 0, 0, NULL, 0, 0 }, | |||||
| }; | |||||
| bool | |||||
| smmu_quirks_check(u_int sid, uint8_t event_id, uintptr_t input_addr) | |||||
| { | |||||
| const struct smmu_quirk_entry *q; | |||||
| struct smmu_ctx *ctx; | |||||
| int i; | |||||
| ctx = smmu_ctx_lookup_by_sid(sid); | |||||
| if (!ctx) | |||||
| return (false); | |||||
| for (i = 0; smmu_quirk_table[i].vendor != 0; i++) { | |||||
| q = &smmu_quirk_table[i]; | |||||
| if (ctx->vendor == q->vendor && | |||||
| ctx->device == q->device && | |||||
| input_addr == q->input_address && | |||||
| event_id == q->event_id) | |||||
| return (true); | |||||
| } | |||||
| return (false); | |||||
| } | |||||