1#- 2# Copyright (c) 2021 The FreeBSD Foundation 3# 4# This software was developed by Andrew Turner under 5# sponsorship from the FreeBSD Foundation. 6# 7# Redistribution and use in source and binary forms, with or without 8# modification, are permitted provided that the following conditions 9# are met: 10# 1. Redistributions of source code must retain the above copyright 11# notice, this list of conditions and the following disclaimer. 12# 2. Redistributions in binary form must reproduce the above copyright 13# notice, this list of conditions and the following disclaimer in the 14# documentation and/or other materials provided with the distribution. 15# 16# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26# SUCH DAMAGE. 27# 28# 29 30 31INTERFACE gic; 32 33HEADER { 34 struct intr_irqsrc; 35}; 36 37METHOD void reserve_msi_range { 38 device_t dev; 39 u_int mbi_start; 40 u_int mbi_count; 41}; 42 43METHOD int alloc_msi { 44 device_t dev; 45 u_int mbi_start; 46 u_int mbi_count; 47 int count; 48 int maxcount; 49 struct intr_irqsrc **isrc; 50}; 51 52METHOD int release_msi { 53 device_t dev; 54 int count; 55 struct intr_irqsrc **isrc; 56}; 57 58METHOD int alloc_msix { 59 device_t dev; 60 u_int mbi_start; 61 u_int mbi_count; 62 struct intr_irqsrc **isrc; 63}; 64 65METHOD int release_msix { 66 device_t dev; 67 struct intr_irqsrc *isrc; 68}; 69 70METHOD void db_show { 71 device_t dev; 72}; 73