1 /*- 2 * Copyright (c) 1997, Stefan Esser <se@freebsd.org> 3 * Copyright (c) 2000, Michael Smith <msmith@freebsd.org> 4 * Copyright (c) 2000, BSDi 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 unmodified, this list of conditions, and the following 12 * disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 * 28 * $FreeBSD: src/sys/dev/pci/pci_private.h,v 1.25.8.1 2009/04/15 03:14:26 kensmith Exp $ 29 * 30 */ 31 32 #ifndef _PCI_PRIVATE_H_ 33 #define _PCI_PRIVATE_H_ 34 35 /* 36 * Export definitions of the pci bus so that we can more easily share 37 * it with "subclass" busses. 38 */ 39 DECLARE_CLASS(pci_driver); 40 41 void pci_add_children(device_t dev, int domain, int busno, 42 size_t dinfo_size); 43 void pci_add_child(device_t bus, struct pci_devinfo *dinfo); 44 void pci_add_resources(device_t pcib, device_t bus, device_t dev, int force, 45 uint32_t prefetchmask); 46 void pci_driver_added(device_t dev, driver_t *driver); 47 int pci_print_child(device_t dev, device_t child); 48 void pci_probe_nomatch(device_t dev, device_t child); 49 int pci_read_ivar(device_t dev, device_t child, int which, 50 uintptr_t *result); 51 int pci_write_ivar(device_t dev, device_t child, int which, 52 uintptr_t value); 53 int pci_setup_intr(device_t dev, device_t child, 54 struct resource *irq, int flags, 55 driver_intr_t *intr, void *arg, void **cookiep, 56 lwkt_serialize_t serializer, const char *desc); 57 int pci_teardown_intr(device_t dev, device_t child, 58 struct resource *irq, void *cookie); 59 int pci_get_vpd_ident_method(device_t dev, device_t child, 60 const char **identptr); 61 int pci_get_vpd_readonly_method(device_t dev, device_t child, 62 const char *kw, const char **vptr); 63 int pci_set_powerstate_method(device_t dev, device_t child, 64 int state); 65 int pci_get_powerstate_method(device_t dev, device_t child); 66 uint32_t pci_read_config_method(device_t dev, device_t child, 67 int reg, int width); 68 void pci_write_config_method(device_t dev, device_t child, 69 int reg, uint32_t val, int width); 70 int pci_enable_busmaster_method(device_t dev, device_t child); 71 int pci_disable_busmaster_method(device_t dev, device_t child); 72 int pci_enable_io_method(device_t dev, device_t child, int space); 73 int pci_disable_io_method(device_t dev, device_t child, int space); 74 int pci_find_extcap_method(device_t dev, device_t child, 75 int capability, int *capreg); 76 int pci_alloc_msi_method(device_t dev, device_t child, int *rid, int count, int cpuid); 77 int pci_alloc_msix_vector_method(device_t dev, device_t child, u_int vector, int *rid, int cpuid); 78 int pci_release_msi_method(device_t dev, device_t child); 79 int pci_release_msix_vector_method(device_t dev, device_t child, int rid); 80 int pci_msi_count_method(device_t dev, device_t child); 81 int pci_msix_count_method(device_t dev, device_t child); 82 struct resource *pci_alloc_resource(device_t dev, device_t child, 83 int type, int *rid, u_long start, u_long end, u_long count, 84 u_int flags, int cpuid); 85 void pci_delete_resource(device_t dev, device_t child, 86 int type, int rid); 87 struct resource_list *pci_get_resource_list (device_t dev, device_t child); 88 struct pci_devinfo *pci_read_device(device_t pcib, int d, int b, int s, int f, 89 size_t size); 90 void pci_print_verbose(struct pci_devinfo *dinfo); 91 int pci_freecfg(struct pci_devinfo *dinfo); 92 int pci_child_location_str_method(device_t cbdev, device_t child, 93 char *buf, size_t buflen); 94 int pci_child_pnpinfo_str_method(device_t cbdev, device_t child, 95 char *buf, size_t buflen); 96 int pci_assign_interrupt_method(device_t dev, device_t child); 97 int pci_resume(device_t dev); 98 int pci_suspend(device_t dev); 99 100 /** Restore the config register state. The state must be previously 101 * saved with pci_cfg_save. However, the pci bus driver takes care of 102 * that. This function will also return the device to PCI_POWERSTATE_D0 103 * if it is currently in a lower power mode. 104 */ 105 void pci_cfg_restore(device_t, struct pci_devinfo *); 106 107 /** Save the config register state. Optionally set the power state to D3 108 * if the third argument is non-zero. 109 */ 110 void pci_cfg_save(device_t, struct pci_devinfo *, int); 111 112 #endif /* _PCI_PRIVATE_H_ */ 113