1 /* $NetBSD: msipic.h,v 1.4 2022/05/23 15:03:05 bouyer Exp $ */ 2 3 /* 4 * Copyright (c) 2015 Internet Initiative Japan Inc. 5 * All rights reserved. 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 NETBSD FOUNDATION, INC. AND CONTRIBUTORS 17 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 18 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 19 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 20 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 26 * POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 #ifndef _X86_PCI_MSIPIC_H_ 30 #define _X86_PCI_MSIPIC_H_ 31 32 #include <dev/pci/pcivar.h> 33 34 struct pic *msipic_construct_msi_pic(const struct pci_attach_args *); 35 void msipic_destruct_msi_pic(struct pic *); 36 struct pic *msipic_construct_msix_pic(const struct pci_attach_args *); 37 void msipic_destruct_msix_pic(struct pic *); 38 struct pic *msipic_find_msi_pic(int); 39 int msipic_set_msi_vectors(struct pic *, pci_intr_handle_t *, int); 40 41 bool msipic_is_msi_pic(struct pic *); 42 int msipic_get_devid(struct pic *); 43 44 struct msipic_pci_info { 45 int mp_bus, mp_dev, mp_fun; 46 int mp_veccnt; /* The number of MSI/MSI-X vectors. */ 47 uint32_t mp_table_base; /* Xen: MSI-X table location in memory space */ 48 int *mp_xen_pirq; /* Xen: pirq numbers */ 49 }; 50 51 const struct msipic_pci_info *msipic_get_pci_info(struct pic *); 52 53 void msipic_init(void); 54 55 #endif /* _X86_PCI_MSIPIC_H_ */ 56