1 /* $NetBSD: pci_msi_machdep.h,v 1.3 2018/11/16 15:06:22 jmcneill Exp $ */ 2 3 /*- 4 * Copyright (c) 2018 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Jared McNeill <jmcneill@invisible.ca>. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 #ifndef _ARM_PCI_MSI_MACHDEP_H 33 #define _ARM_PCI_MSI_MACHDEP_H 34 35 #include <sys/queue.h> 36 #include <arm/pic/picvar.h> 37 38 struct arm_pci_msi { 39 device_t msi_dev; 40 uint8_t msi_id; /* software ID */ 41 42 void * msi_priv; 43 44 pci_intr_handle_t * (*msi_alloc)(struct arm_pci_msi *, int *, const struct pci_attach_args *, bool); 45 pci_intr_handle_t * (*msix_alloc)(struct arm_pci_msi *, u_int *, int *, const struct pci_attach_args *, bool); 46 void * (*msi_intr_establish)(struct arm_pci_msi *, 47 pci_intr_handle_t, int, int (*)(void *), void *, const char *); 48 void (*msi_intr_release)(struct arm_pci_msi *, 49 pci_intr_handle_t *, int); 50 51 SIMPLEQ_ENTRY(arm_pci_msi) msi_link; 52 }; 53 54 int arm_pci_msi_add(struct arm_pci_msi *); 55 void * arm_pci_msi_intr_establish(pci_chipset_tag_t, pci_intr_handle_t, 56 int, int (*)(void *), void *, const char *); 57 58 #endif /* !_ARM_PCI_MSI_MACHDEP_H */ 59