1 /* $OpenBSD: acpiiort.h,v 1.4 2021/06/25 17:41:22 patrick Exp $ */ 2 /* 3 * Copyright (c) 2021 Patrick Wildt <patrick@blueri.se> 4 * 5 * Permission to use, copy, modify, and distribute this software for any 6 * purpose with or without fee is hereby granted, provided that the above 7 * copyright notice and this permission notice appear in all copies. 8 * 9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 10 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 11 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 12 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 13 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 14 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 15 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 16 */ 17 18 struct acpiiort_attach_args { 19 struct acpi_iort_node *aia_node; 20 bus_space_tag_t aia_iot; 21 bus_space_tag_t aia_memt; 22 bus_dma_tag_t aia_dmat; 23 }; 24 25 struct acpiiort_smmu { 26 SIMPLEQ_ENTRY(acpiiort_smmu) as_list; 27 struct acpi_iort_node *as_node; 28 void *as_cookie; 29 bus_dma_tag_t (*as_map)(void *, uint32_t, 30 bus_dma_tag_t); 31 void (*as_reserve)(void *, uint32_t, 32 bus_addr_t, bus_size_t); 33 }; 34 35 void acpiiort_smmu_register(struct acpiiort_smmu *); 36 bus_dma_tag_t acpiiort_smmu_map(struct acpi_iort_node *, uint32_t, bus_dma_tag_t); 37 void acpiiort_smmu_reserve_region(struct acpi_iort_node *, uint32_t, bus_addr_t, bus_size_t); 38 bus_dma_tag_t acpiiort_device_map(struct aml_node *, bus_dma_tag_t); 39