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pci_msi_machdep.h revision 1.1 
      1 /* $NetBSD: pci_msi_machdep.h,v 1.1 2018/10/21 00:42:06 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 (at) 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 	void *			(*msi_intr_establish)(struct arm_pci_msi *,
     46 				    pci_intr_handle_t, int, int (*)(void *), void *);
     47 	void			(*msi_intr_release)(struct arm_pci_msi *,
     48 				    pci_intr_handle_t *, int);
     49 
     50 	SIMPLEQ_ENTRY(arm_pci_msi) msi_link;
     51 };
     52 
     53 int	arm_pci_msi_add(struct arm_pci_msi *);
     54 void *	arm_pci_msi_intr_establish(pci_chipset_tag_t, pci_intr_handle_t,
     55 	    int, int (*)(void *), void *);
     56 
     57 #endif /* !_ARM_PCI_MSI_MACHDEP_H */
     58