3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde * CDDL HEADER START
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde * The contents of this file are subject to the terms of the
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde * Common Development and Distribution License (the "License").
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde * You may not use this file except in compliance with the License.
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde * See the License for the specific language governing permissions
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde * and limitations under the License.
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde * When distributing Covered Code, include this CDDL HEADER in each
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde * If applicable, add the following below this CDDL HEADER, with the
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde * fields enclosed by brackets "[]" replaced with your own identifying
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde * information: Portions Copyright [yyyy] [name of copyright owner]
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde * CDDL HEADER END
9e986f0e5fb5e5ac09af90cd3b63f7836d983f9dFrank Van Der Linden * Portions Copyright (c) 2010, Oracle and/or its affiliates.
9e986f0e5fb5e5ac09af90cd3b63f7836d983f9dFrank Van Der Linden * All rights reserved.
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde * Copyright (c) 2009, Intel Corporation.
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde * All rights reserved.
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde * Intel IOMMU implementation
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde * This file contains Intel IOMMU code exported
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde * to the rest of the system and code that deals
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde * with the Intel IOMMU as a whole.
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde/* ########################### Globals and tunables ######################## */
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde * Global switches (boolean) that can be toggled either via boot options
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde * or via /etc/system or kmdb
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde/* Various features */
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde/* accessed in other files so not static */
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde/* various quirks that need working around */
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde/* XXX We always map page 0 read/write for now */
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde/* debug messages */
e03dceed3deb85ad561202c77277e701f763fa13Vikram Hegde/* Tunables */
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde/* ############ END OPTIONS section ################ */
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde * Global used internally by Intel IOMMU code
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde/* ######################## END Globals and tunables ###################### */
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde/* Globals used only in this file */
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde/* ###################### Utility routines ############################# */
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde * Check if the device has mobile 4 chipset
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde vendor = ddi_prop_get_int(DDI_DEV_T_ANY, dip, DDI_PROP_DONTPASS,
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde device = ddi_prop_get_int(DDI_DEV_T_ANY, dip, DDI_PROP_DONTPASS,
50200e773f0242e336d032a7b43485e1bcfc9bfeFrank Van Der Linden ddi_err(DER_NOTE, dip, "iommu: Mobile 4 chipset detected. "
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde "Force setting IOMMU write buffer");
50200e773f0242e336d032a7b43485e1bcfc9bfeFrank Van Der Linden * Make sure the domain for the device is set up before
50200e773f0242e336d032a7b43485e1bcfc9bfeFrank Van Der Linden * mapping anything.
50200e773f0242e336d032a7b43485e1bcfc9bfeFrank Van Der Linden ddi_err(DER_LOG, dip, "iommu: Mapping BIOS rsvd range "
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde "[0x%" PRIx64 " - 0x%"PRIx64 "]\n", mp->ml_address,
e03dceed3deb85ad561202c77277e701f763fa13Vikram Hegde mrng.mrng_start = IMMU_ROUNDOWN(mp->ml_address);
e03dceed3deb85ad561202c77277e701f763fa13Vikram Hegde mrng.mrng_npages = IMMU_ROUNDUP(mp->ml_size) / IMMU_PAGESIZE;
9e986f0e5fb5e5ac09af90cd3b63f7836d983f9dFrank Van Der Linden * Check if the driver requests a specific type of mapping.
9e986f0e5fb5e5ac09af90cd3b63f7836d983f9dFrank Van Der Linden * Only PCI devices can use an IOMMU. Legacy ISA devices
9e986f0e5fb5e5ac09af90cd3b63f7836d983f9dFrank Van Der Linden * are handled in check_lpc.
9e986f0e5fb5e5ac09af90cd3b63f7836d983f9dFrank Van Der Linden for (i = 0; i < nunity; i++) {
9e986f0e5fb5e5ac09af90cd3b63f7836d983f9dFrank Van Der Linden if (strcmp(unity_driver_array[i], dname) == 0) {
9e986f0e5fb5e5ac09af90cd3b63f7836d983f9dFrank Van Der Linden immu_devi->imd_dvma_flags |= IMMU_FLAGS_UNITY;
9e986f0e5fb5e5ac09af90cd3b63f7836d983f9dFrank Van Der Linden for (i = 0; i < nxlate; i++) {
9e986f0e5fb5e5ac09af90cd3b63f7836d983f9dFrank Van Der Linden if (strcmp(xlate_driver_array[i], dname) == 0) {
9e986f0e5fb5e5ac09af90cd3b63f7836d983f9dFrank Van Der Linden immu_devi->imd_dvma_flags &= ~IMMU_FLAGS_UNITY;
50200e773f0242e336d032a7b43485e1bcfc9bfeFrank Van Der Linden old_premap = immu_devi->imd_use_premap;
50200e773f0242e336d032a7b43485e1bcfc9bfeFrank Van Der Linden for (i = 0; i < nnopremap; i++) {
50200e773f0242e336d032a7b43485e1bcfc9bfeFrank Van Der Linden if (strcmp(nopremap_driver_array[i], dname) == 0) {
50200e773f0242e336d032a7b43485e1bcfc9bfeFrank Van Der Linden for (i = 0; i < npremap; i++) {
50200e773f0242e336d032a7b43485e1bcfc9bfeFrank Van Der Linden if (strcmp(premap_driver_array[i], dname) == 0) {
9e986f0e5fb5e5ac09af90cd3b63f7836d983f9dFrank Van Der Linden * Report if we changed the value from the default.
50200e773f0242e336d032a7b43485e1bcfc9bfeFrank Van Der Linden if (hasmapprop && (immu_devi->imd_dvma_flags ^ immu_global_dvma_flags))
9e986f0e5fb5e5ac09af90cd3b63f7836d983f9dFrank Van Der Linden ddi_err(DER_LOG, dip, "using %s DVMA mapping",
9e986f0e5fb5e5ac09af90cd3b63f7836d983f9dFrank Van Der Linden immu_devi->imd_dvma_flags & IMMU_FLAGS_UNITY ?
9e986f0e5fb5e5ac09af90cd3b63f7836d983f9dFrank Van Der Linden DDI_DVMA_MAPTYPE_UNITY : DDI_DVMA_MAPTYPE_XLATE);
50200e773f0242e336d032a7b43485e1bcfc9bfeFrank Van Der Linden if (haspreprop && (immu_devi->imd_use_premap != old_premap))
50200e773f0242e336d032a7b43485e1bcfc9bfeFrank Van Der Linden ddi_err(DER_LOG, dip, "%susing premapped DVMA space",
50200e773f0242e336d032a7b43485e1bcfc9bfeFrank Van Der Linden immu_devi->imd_use_premap ? "" : "not ");
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde * Check if the device is USB controller
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde (strcmp(drv, "uhci") != 0 && strcmp(drv, "ohci") != 0 &&
9e986f0e5fb5e5ac09af90cd3b63f7836d983f9dFrank Van Der Linden * If unit mappings are already specified, globally or
9e986f0e5fb5e5ac09af90cd3b63f7836d983f9dFrank Van Der Linden * locally, we're done here, since that covers both
9e986f0e5fb5e5ac09af90cd3b63f7836d983f9dFrank Van Der Linden * quirks below.
9e986f0e5fb5e5ac09af90cd3b63f7836d983f9dFrank Van Der Linden if (immu_devi->imd_dvma_flags & IMMU_FLAGS_UNITY)
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde /* This must come first since it does unity mapping */
9e986f0e5fb5e5ac09af90cd3b63f7836d983f9dFrank Van Der Linden immu_devi->imd_dvma_flags |= IMMU_FLAGS_UNITY;
9e986f0e5fb5e5ac09af90cd3b63f7836d983f9dFrank Van Der Linden } else if (immu_quirk_usbrmrr == B_TRUE) {
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde ddi_err(DER_LOG, dip, "Applying USB RMRR quirk");
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde * Check if the device is a LPC device
50200e773f0242e336d032a7b43485e1bcfc9bfeFrank Van Der Linden ddi_err(DER_LOG, dip, "iommu: Found LPC device");
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde /* This will put the immu_devi on the LPC "specials" list */
50200e773f0242e336d032a7b43485e1bcfc9bfeFrank Van Der Linden (void) immu_dvma_device_setup(dip, IMMU_FLAGS_SLEEP);
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde * Check if the device is a GFX device
9e986f0e5fb5e5ac09af90cd3b63f7836d983f9dFrank Van Der Linden immu_devi->imd_dvma_flags |= IMMU_FLAGS_UNITY;
50200e773f0242e336d032a7b43485e1bcfc9bfeFrank Van Der Linden ddi_err(DER_LOG, dip, "iommu: Found GFX device");
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde /* This will put the immu_devi on the GFX "specials" list */
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde (void) immu_dvma_get_immu(dip, IMMU_FLAGS_SLEEP);
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegdewalk_tree(int (*f)(dev_info_t *, void *), void *arg)
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde ddi_walk_devs(ddi_get_child(root_devinfo), f, arg);
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegdecheck_pre_setup_quirks(dev_info_t *dip, void *arg)
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde /* just 1 check right now */
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegdecheck_pre_startup_quirks(dev_info_t *dip, void *arg)
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde if (immu_devi_set(dip, IMMU_FLAGS_SLEEP) != DDI_SUCCESS) {
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde ddi_err(DER_PANIC, dip, "Failed to get immu_devi");
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde walk_tree(check_pre_setup_quirks, &immu_quirk_mobile4);
9e986f0e5fb5e5ac09af90cd3b63f7836d983f9dFrank Van Der Linden * Check the rootnex.conf property
9e986f0e5fb5e5ac09af90cd3b63f7836d983f9dFrank Van Der Linden * Fake up a dev_t since searching the global
9e986f0e5fb5e5ac09af90cd3b63f7836d983f9dFrank Van Der Linden * property list needs it
9e986f0e5fb5e5ac09af90cd3b63f7836d983f9dFrank Van Der Linden makedevice(ddi_name_to_major("rootnex"), 0),
9e986f0e5fb5e5ac09af90cd3b63f7836d983f9dFrank Van Der Linden root_devinfo, DDI_PROP_DONTPASS | DDI_PROP_ROOTNEX_GLOBAL,
3adb2334459b30a605b8d375be6c3f3a3ec9ef38Vikram Hegde * get_conf_opt()
3adb2334459b30a605b8d375be6c3f3a3ec9ef38Vikram Hegde * get a rootnex.conf setting (always a boolean)
3adb2334459b30a605b8d375be6c3f3a3ec9ef38Vikram Hegde * Check the rootnex.conf property
3adb2334459b30a605b8d375be6c3f3a3ec9ef38Vikram Hegde * Fake up a dev_t since searching the global
3adb2334459b30a605b8d375be6c3f3a3ec9ef38Vikram Hegde * property list needs it
9e986f0e5fb5e5ac09af90cd3b63f7836d983f9dFrank Van Der Linden if (get_conf_str(bopt, &val) != DDI_PROP_SUCCESS)
3adb2334459b30a605b8d375be6c3f3a3ec9ef38Vikram Hegde ddi_err(DER_WARN, NULL, "rootnex.conf switch %s=\"%s\" ",
3adb2334459b30a605b8d375be6c3f3a3ec9ef38Vikram Hegde "is not set to true or false. Ignoring option.",
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde * get_bootopt()
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde * check a boot option (always a boolean)
9e986f0e5fb5e5ac09af90cd3b63f7836d983f9dFrank Van Der Linden ret = ddi_prop_lookup_string(DDI_DEV_T_ANY, root_devinfo,
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde * All boot options set at the GRUB menu become
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde * properties on the rootnex.
9e986f0e5fb5e5ac09af90cd3b63f7836d983f9dFrank Van Der Linden if (get_boot_str(bopt, &val) != DDI_PROP_SUCCESS)
9e986f0e5fb5e5ac09af90cd3b63f7836d983f9dFrank Van Der Linden } else if (strcmp(val, "false") == 0) {
9e986f0e5fb5e5ac09af90cd3b63f7836d983f9dFrank Van Der Linden ddi_err(DER_WARN, NULL, "boot option %s=\"%s\" ",
9e986f0e5fb5e5ac09af90cd3b63f7836d983f9dFrank Van Der Linden "is not set to true or false. Ignoring option.",
9e986f0e5fb5e5ac09af90cd3b63f7836d983f9dFrank Van Der Linden if (get_boot_str(DDI_DVMA_MAPTYPE_ROOTNEX_PROP, &val)
9e986f0e5fb5e5ac09af90cd3b63f7836d983f9dFrank Van Der Linden if (strcmp(val, DDI_DVMA_MAPTYPE_UNITY) == 0) {
9e986f0e5fb5e5ac09af90cd3b63f7836d983f9dFrank Van Der Linden immu_global_dvma_flags |= IMMU_FLAGS_UNITY;
9e986f0e5fb5e5ac09af90cd3b63f7836d983f9dFrank Van Der Linden } else if (strcmp(val, DDI_DVMA_MAPTYPE_XLATE) == 0) {
9e986f0e5fb5e5ac09af90cd3b63f7836d983f9dFrank Van Der Linden immu_global_dvma_flags &= ~IMMU_FLAGS_UNITY;
9e986f0e5fb5e5ac09af90cd3b63f7836d983f9dFrank Van Der Linden ddi_err(DER_WARN, NULL, "bad value \"%s\" for boot option %s",
9e986f0e5fb5e5ac09af90cd3b63f7836d983f9dFrank Van Der Linden if (get_conf_str(DDI_DVMA_MAPTYPE_ROOTNEX_PROP, &val)
9e986f0e5fb5e5ac09af90cd3b63f7836d983f9dFrank Van Der Linden if (strcmp(val, DDI_DVMA_MAPTYPE_UNITY) == 0) {
9e986f0e5fb5e5ac09af90cd3b63f7836d983f9dFrank Van Der Linden immu_global_dvma_flags |= IMMU_FLAGS_UNITY;
9e986f0e5fb5e5ac09af90cd3b63f7836d983f9dFrank Van Der Linden } else if (strcmp(val, DDI_DVMA_MAPTYPE_XLATE) == 0) {
9e986f0e5fb5e5ac09af90cd3b63f7836d983f9dFrank Van Der Linden immu_global_dvma_flags &= ~IMMU_FLAGS_UNITY;
9e986f0e5fb5e5ac09af90cd3b63f7836d983f9dFrank Van Der Linden ddi_err(DER_WARN, NULL, "bad value \"%s\" for rootnex "
9e986f0e5fb5e5ac09af90cd3b63f7836d983f9dFrank Van Der Linden "option %s", val, DDI_DVMA_MAPTYPE_ROOTNEX_PROP);
e03dceed3deb85ad561202c77277e701f763fa13Vikram Hegde * Check the rootnex.conf property
e03dceed3deb85ad561202c77277e701f763fa13Vikram Hegde * Fake up a dev_t since searching the global
e03dceed3deb85ad561202c77277e701f763fa13Vikram Hegde * property list needs it
e03dceed3deb85ad561202c77277e701f763fa13Vikram Hegde makedevice(ddi_name_to_major("rootnex"), 0), root_devinfo,
e03dceed3deb85ad561202c77277e701f763fa13Vikram Hegde DDI_PROP_DONTPASS | DDI_PROP_ROOTNEX_GLOBAL, bopt,
e03dceed3deb85ad561202c77277e701f763fa13Vikram Hegde if (n != 1) {
e03dceed3deb85ad561202c77277e701f763fa13Vikram Hegde ddi_err(DER_WARN, NULL, "More than one value specified for "
e03dceed3deb85ad561202c77277e701f763fa13Vikram Hegde "%s property. Ignoring and using default",
e03dceed3deb85ad561202c77277e701f763fa13Vikram Hegde "immu-flush-gran");
e03dceed3deb85ad561202c77277e701f763fa13Vikram Hegde if (iarray[0] < 0) {
e03dceed3deb85ad561202c77277e701f763fa13Vikram Hegde ddi_err(DER_WARN, NULL, "Negative value specified for "
e03dceed3deb85ad561202c77277e701f763fa13Vikram Hegde "%s property. Inoring and Using default value",
e03dceed3deb85ad561202c77277e701f763fa13Vikram Hegde "immu-flush-gran");
3adb2334459b30a605b8d375be6c3f3a3ec9ef38Vikram Hegde get_conf_opt("immu-dvma-enable", &immu_dvma_enable);
3adb2334459b30a605b8d375be6c3f3a3ec9ef38Vikram Hegde get_conf_opt("immu-gfxdvma-enable", &immu_gfxdvma_enable);
3adb2334459b30a605b8d375be6c3f3a3ec9ef38Vikram Hegde get_conf_opt("immu-intrmap-enable", &immu_intrmap_enable);
3adb2334459b30a605b8d375be6c3f3a3ec9ef38Vikram Hegde get_conf_opt("immu-qinv-enable", &immu_qinv_enable);
3adb2334459b30a605b8d375be6c3f3a3ec9ef38Vikram Hegde /* workaround switches */
3adb2334459b30a605b8d375be6c3f3a3ec9ef38Vikram Hegde get_conf_opt("immu-quirk-usbpage0", &immu_quirk_usbpage0);
3adb2334459b30a605b8d375be6c3f3a3ec9ef38Vikram Hegde get_conf_opt("immu-quirk-usbfullpa", &immu_quirk_usbfullpa);
3adb2334459b30a605b8d375be6c3f3a3ec9ef38Vikram Hegde get_conf_opt("immu-quirk-usbrmrr", &immu_quirk_usbrmrr);
3adb2334459b30a605b8d375be6c3f3a3ec9ef38Vikram Hegde /* debug printing */
3adb2334459b30a605b8d375be6c3f3a3ec9ef38Vikram Hegde get_conf_opt("immu-dmar-print", &immu_dmar_print);
3adb2334459b30a605b8d375be6c3f3a3ec9ef38Vikram Hegde /* get tunables */
3adb2334459b30a605b8d375be6c3f3a3ec9ef38Vikram Hegde get_conf_tunables("immu-flush-gran", &immu_flush_gran);
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde get_bootopt("immu-dvma-enable", &immu_dvma_enable);
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde get_bootopt("immu-gfxdvma-enable", &immu_gfxdvma_enable);
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde get_bootopt("immu-intrmap-enable", &immu_intrmap_enable);
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde get_bootopt("immu-qinv-enable", &immu_qinv_enable);
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde /* workaround switches */
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde get_bootopt("immu-quirk-usbpage0", &immu_quirk_usbpage0);
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde get_bootopt("immu-quirk-usbfullpa", &immu_quirk_usbfullpa);
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde get_bootopt("immu-quirk-usbrmrr", &immu_quirk_usbrmrr);
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde /* debug printing */
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde get_bootopt("immu-dmar-print", &immu_dmar_print);
9e986f0e5fb5e5ac09af90cd3b63f7836d983f9dFrank Van Der Linden makedevice(ddi_name_to_major("rootnex"), 0), root_devinfo,
9e986f0e5fb5e5ac09af90cd3b63f7836d983f9dFrank Van Der Linden DDI_PROP_DONTPASS | DDI_PROP_ROOTNEX_GLOBAL,
9e986f0e5fb5e5ac09af90cd3b63f7836d983f9dFrank Van Der Linden "immu-dvma-unity-drivers",
9e986f0e5fb5e5ac09af90cd3b63f7836d983f9dFrank Van Der Linden &string_array, &nstrings) == DDI_PROP_SUCCESS) {
9e986f0e5fb5e5ac09af90cd3b63f7836d983f9dFrank Van Der Linden makedevice(ddi_name_to_major("rootnex"), 0), root_devinfo,
9e986f0e5fb5e5ac09af90cd3b63f7836d983f9dFrank Van Der Linden DDI_PROP_DONTPASS | DDI_PROP_ROOTNEX_GLOBAL,
9e986f0e5fb5e5ac09af90cd3b63f7836d983f9dFrank Van Der Linden "immu-dvma-xlate-drivers",
9e986f0e5fb5e5ac09af90cd3b63f7836d983f9dFrank Van Der Linden &string_array, &nstrings) == DDI_PROP_SUCCESS) {
50200e773f0242e336d032a7b43485e1bcfc9bfeFrank Van Der Linden makedevice(ddi_name_to_major("rootnex"), 0), root_devinfo,
50200e773f0242e336d032a7b43485e1bcfc9bfeFrank Van Der Linden DDI_PROP_DONTPASS | DDI_PROP_ROOTNEX_GLOBAL,
50200e773f0242e336d032a7b43485e1bcfc9bfeFrank Van Der Linden "immu-dvma-premap-drivers",
50200e773f0242e336d032a7b43485e1bcfc9bfeFrank Van Der Linden &string_array, &nstrings) == DDI_PROP_SUCCESS) {
50200e773f0242e336d032a7b43485e1bcfc9bfeFrank Van Der Linden makedevice(ddi_name_to_major("rootnex"), 0), root_devinfo,
50200e773f0242e336d032a7b43485e1bcfc9bfeFrank Van Der Linden DDI_PROP_DONTPASS | DDI_PROP_ROOTNEX_GLOBAL,
50200e773f0242e336d032a7b43485e1bcfc9bfeFrank Van Der Linden "immu-dvma-nopremap-drivers",
50200e773f0242e336d032a7b43485e1bcfc9bfeFrank Van Der Linden &string_array, &nstrings) == DDI_PROP_SUCCESS) {
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde * Note, this will not catch hardware not enumerated
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde * in early boot
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde /* need at least 2 strings */
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde /* is there hardware bound to this drvr */
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde i += 1; /* for loop adds 1, so add only 1 here */
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde /* need at least 4 strings for this setting */
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde smhdl = smbios_open(NULL, SMB_VERSION, ksmbios_flags, NULL);
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde (smid = smbios_info_system(smhdl, &smsys)) == SMB_ERR ||
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde smbios_info_common(smhdl, smid, &sminf) == SMB_ERR) {
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde ddi_err(DER_CONT, NULL, "?System SMBIOS information:\n");
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde ddi_err(DER_CONT, NULL, "?Manufacturer = <%s>\n", mfg);
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde ddi_err(DER_CONT, NULL, "?Product = <%s>\n", product);
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde ddi_err(DER_CONT, NULL, "?Version = <%s>\n", version);
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde return (immu_dmar_blacklisted(black_array, nblacks));
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde * Check if system is blacklisted by Intel IOMMU driver
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde * i.e. should Intel IOMMU be disabled on this system
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde * Currently a system can be blacklistd based on the
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde * following bases:
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde * 1. DMAR ACPI table information.
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde * This information includes things like
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde * manufacturer and revision number. If rootnex.conf
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde * has matching info set in its blacklist property
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde * then Intel IOMMu will be disabled
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde * 2. SMBIOS information
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde * 3. Driver installed - useful if a particular
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde * driver or hardware is toxic if Intel IOMMU
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde * is turned on.
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde * Check the rootnex.conf blacklist property.
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde * Fake up a dev_t since searching the global
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde * property list needs it
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde makedevice(ddi_name_to_major("rootnex"), 0), root_devinfo,
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde DDI_PROP_DONTPASS | DDI_PROP_ROOTNEX_GLOBAL, "immu-blacklist",
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde &string_array, &nstrings) != DDI_PROP_SUCCESS) {
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde /* smallest blacklist criteria works with multiples of 2 */
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde ddi_err(DER_WARN, NULL, "Invalid IOMMU blacklist "
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde "rootnex.conf: number of strings must be a "
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde "multiple of 2");
50200e773f0242e336d032a7b43485e1bcfc9bfeFrank Van Der Lindenimmu_alloc_name(const char *str, int instance)
50200e773f0242e336d032a7b43485e1bcfc9bfeFrank Van Der Linden (void) snprintf(s, slen, "%s%d", str, instance);
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde * Now set all the fields in the order they are defined
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde * We do this only as a defensive-coding practice, it is
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde * not a correctness issue.
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegdestatic void *
50200e773f0242e336d032a7b43485e1bcfc9bfeFrank Van Der Linden char *nodename, *hcachename, *pcachename;
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde dmar_unit = immu_dmar_walk_units(seg, dmar_unit);
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde /* No more IOMMUs in this segment */
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde mutex_init(&(immu->immu_lock), NULL, MUTEX_DRIVER, NULL);
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde immu->immu_dip = immu_dmar_unit_dip(dmar_unit);
50200e773f0242e336d032a7b43485e1bcfc9bfeFrank Van Der Linden nodename = ddi_node_name(immu->immu_dip);
50200e773f0242e336d032a7b43485e1bcfc9bfeFrank Van Der Linden instance = ddi_get_instance(immu->immu_dip);
50200e773f0242e336d032a7b43485e1bcfc9bfeFrank Van Der Linden immu->immu_name = immu_alloc_name(nodename, instance);
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde * the immu_intr_lock mutex is grabbed by the IOMMU
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde * unit's interrupt handler so we need to use an
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde * interrupt cookie for the mutex
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde mutex_init(&(immu->immu_intr_lock), NULL, MUTEX_DRIVER,
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde /* IOMMU regs related */
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde mutex_init(&(immu->immu_regs_lock), NULL, MUTEX_DEFAULT, NULL);
e03dceed3deb85ad561202c77277e701f763fa13Vikram Hegde cv_init(&(immu->immu_regs_cv), NULL, CV_DEFAULT, NULL);
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde /* DVMA related */
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde /* DVMA context related */
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde rw_init(&(immu->immu_ctx_rwlock), NULL, RW_DEFAULT, NULL);
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde /* DVMA domain related */
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde list_create(&(immu->immu_domain_list), sizeof (domain_t),
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde /* DVMA special device lists */
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde list_create(&(immu->immu_dvma_lpc_list), sizeof (immu_devi_t),
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde list_create(&(immu->immu_dvma_gfx_list), sizeof (immu_devi_t),
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde /* interrupt remapping related */
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde mutex_init(&(immu->immu_intrmap_lock), NULL, MUTEX_DEFAULT, NULL);
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde /* qinv related */
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde mutex_init(&(immu->immu_qinv_lock), NULL, MUTEX_DEFAULT, NULL);
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde * insert this immu unit into the system-wide list
50200e773f0242e336d032a7b43485e1bcfc9bfeFrank Van Der Linden pcachename = immu_alloc_name("immu_pgtable_cache", instance);
50200e773f0242e336d032a7b43485e1bcfc9bfeFrank Van Der Linden hcachename = immu_alloc_name("immu_hdl_cache", instance);
50200e773f0242e336d032a7b43485e1bcfc9bfeFrank Van Der Linden immu->immu_pgtable_cache = kmem_cache_create(pcachename,
50200e773f0242e336d032a7b43485e1bcfc9bfeFrank Van Der Linden sizeof (pgtable_t), 0, pgtable_ctor, pgtable_dtor, NULL, immu,
50200e773f0242e336d032a7b43485e1bcfc9bfeFrank Van Der Linden immu->immu_hdl_cache = kmem_cache_create(hcachename,
50200e773f0242e336d032a7b43485e1bcfc9bfeFrank Van Der Linden sizeof (immu_hdl_priv_t), 64, immu_hdl_priv_ctor,
50200e773f0242e336d032a7b43485e1bcfc9bfeFrank Van Der Linden ddi_err(DER_LOG, immu->immu_dip, "unit setup");
50200e773f0242e336d032a7b43485e1bcfc9bfeFrank Van Der Linden "Creating state structures for Intel IOMMU units");
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde mutex_init(&immu_lock, NULL, MUTEX_DEFAULT, NULL);
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde list_create(&immu_list, sizeof (immu_t), offsetof(immu_t, immu_node));
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde while (unit_hdl = immu_state_alloc(seg, unit_hdl)) {
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde immu_regs_setup(&immu_list); /* subsequent code needs this first */
d2256d265bf2bcad0d811b81411de3802a4b97c6Frank Van Der Linden if (immu_qinv_setup(&immu_list) == DDI_SUCCESS)
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde * immu_subsystems_startup()
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde * startup all units that were setup
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde for (; immu; immu = list_next(&immu_list, immu)) {
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde * Set IOMMU unit's regs to do
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde * the actual startup. This will
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde * set immu->immu_running field
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde * if the unit is successfully
50200e773f0242e336d032a7b43485e1bcfc9bfeFrank Van Der Linden iommulib_ops = kmem_alloc(sizeof (iommulib_ops_t), KM_SLEEP);
50200e773f0242e336d032a7b43485e1bcfc9bfeFrank Van Der Linden iommulib_ops->ilops_data = (void *)immu;
50200e773f0242e336d032a7b43485e1bcfc9bfeFrank Van Der Linden (void) iommulib_iommu_register(immu->immu_dip, iommulib_ops,
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde/* ################## Intel IOMMU internal interfaces ###################### */
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde * Internal interfaces for IOMMU code (i.e. not exported to rootnex
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde * or rest of system)
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde * ddip can be NULL, in which case we walk up until we find the root dip
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde * NOTE: We never visit the root dip since its not a hardware node
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde /* ddip and immu can be NULL */
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde /* Hold rdip so that branch is not detached */
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde for (pdip = rdip, level = 1; pdip && pdip != root_devinfo;
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde if (immu_devi_set(pdip, immu_flags) != DDI_SUCCESS) {
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde/* ######################## Intel IOMMU entry points ####################### */
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde * immu_init()
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde * called from rootnex_attach(). setup but don't startup the Intel IOMMU
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde * This is the first function called in Intel IOMMU code
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde char *phony_reg = "A thing of beauty is a joy forever";
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde /* Set some global shorthands that are needed by all of IOMMU code */
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde * Intel IOMMU only supported only if MMU(CPU) page size is ==
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde * IOMMU pages size.
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde "MMU page size (%d) is not equal to\n"
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde "IOMMU page size (%d). "
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde "Disabling Intel IOMMU. ",
3adb2334459b30a605b8d375be6c3f3a3ec9ef38Vikram Hegde * Read rootnex.conf options. Do this before
3adb2334459b30a605b8d375be6c3f3a3ec9ef38Vikram Hegde * boot options so boot options can override .conf options.
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde * retrieve the Intel IOMMU boot options.
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde * Do this before parsing immu ACPI table
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde * as a boot option could potentially affect
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde * ACPI parsing.
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde ddi_err(DER_CONT, NULL, "?Reading Intel IOMMU boot options\n");
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde * Check the IOMMU enable boot-option first.
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde * This is so that we can skip parsing the ACPI table
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde * if necessary because that may cause problems in
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde * systems with buggy BIOS or ACPI tables
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde * Next, check if the system even has an Intel IOMMU
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde * We use the presence or absence of the IOMMU ACPI
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde * table to detect Intel IOMMU.
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde * Check blacklists
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde * Read the "raw" DMAR ACPI table to get information
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde * and convert into a form we can use.
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde * now that we have processed the ACPI table
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde * check if we need to blacklist this system
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde * based on ACPI info
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde * Check if system has HW quirks.
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde /* Now do the rest of the setup */
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde * Now that the IMMU is setup, create a phony
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde * reg prop so that suspend/resume works
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde if (ddi_prop_update_byte_array(DDI_DEV_T_NONE, root_devinfo, "reg",
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde (uchar_t *)phony_reg, strlen(phony_reg) + 1) != DDI_PROP_SUCCESS) {
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde ddi_err(DER_PANIC, NULL, "Failed to create reg prop for "
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde "rootnex node");
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde /*NOTREACHED*/
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde * immu_startup()
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde * called directly by boot code to startup
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde * all units of the IOMMU
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde * If IOMMU is disabled, do nothing
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde ddi_err(DER_WARN, NULL, "Intel IOMMU not setup, "
50200e773f0242e336d032a7b43485e1bcfc9bfeFrank Van Der Linden "skipping IOMMU startup");
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde "?Starting Intel IOMMU (dmar) units...\n");
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde * Hook to notify IOMMU code of device tree changes
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde ddi_err(DER_WARN, NULL, "Intel IOMMU currently "
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde "does not use device tree updates");
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde * Hook to notify IOMMU code of memory changes
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegdeimmu_physmem_update(uint64_t addr, uint64_t size)
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde * immu_quiesce()
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde * quiesce all units that are running
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde for (; immu; immu = list_next(&immu_list, immu)) {
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde /* if immu is not running, we dont quiesce */
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde /* flush caches */
50200e773f0242e336d032a7b43485e1bcfc9bfeFrank Van Der Linden immu_flush_context_gbl(immu, &immu->immu_ctx_inv_wait);
50200e773f0242e336d032a7b43485e1bcfc9bfeFrank Van Der Linden immu_flush_iotlb_gbl(immu, &immu->immu_ctx_inv_wait);
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde * Set IOMMU unit's regs to do
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde * the actual shutdown.
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde /* if immu is still running, we failed */
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde * immu_unquiesce()
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde * unquiesce all units
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde for (; immu; immu = list_next(&immu_list, immu)) {
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde /* if immu was not quiesced, i.e was not running before */
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde /* flush caches before unquiesce */
50200e773f0242e336d032a7b43485e1bcfc9bfeFrank Van Der Linden immu_flush_context_gbl(immu, &immu->immu_ctx_inv_wait);
50200e773f0242e336d032a7b43485e1bcfc9bfeFrank Van Der Linden immu_flush_iotlb_gbl(immu, &immu->immu_ctx_inv_wait);
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde * Set IOMMU unit's regs to do
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde * the actual startup. This will
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde * set immu->immu_regs_running field
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde * if the unit is successfully
50200e773f0242e336d032a7b43485e1bcfc9bfeFrank Van Der Lindenimmu_init_inv_wait(immu_inv_wait_t *iwp, const char *name, boolean_t sync)
50200e773f0242e336d032a7b43485e1bcfc9bfeFrank Van Der Linden paddr = pfn_to_pa(hat_getpfnum(kas.a_hat, vaddr));
50200e773f0242e336d032a7b43485e1bcfc9bfeFrank Van Der Linden paddr += ((uintptr_t)vaddr) & MMU_PAGEOFFSET;
3a634bfc9a31448c742688c603d3e76b83b041a0Vikram Hegde/* ############## END Intel IOMMU entry points ################## */