pci_private.h revision 280970
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: stable/10/sys/dev/pci/pci_private.h 280970 2015-04-01 21:48:54Z jhb $ 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 */ 39DECLARE_CLASS(pci_driver); 40 41struct pci_softc { 42 bus_dma_tag_t sc_dma_tag; 43#ifdef PCI_RES_BUS 44 struct resource *sc_bus; 45#endif 46}; 47 48extern int pci_do_power_resume; 49extern int pci_do_power_suspend; 50 51void pci_add_children(device_t dev, int domain, int busno, 52 size_t dinfo_size); 53void pci_add_child(device_t bus, struct pci_devinfo *dinfo); 54void pci_add_resources(device_t bus, device_t dev, int force, 55 uint32_t prefetchmask); 56int pci_attach_common(device_t dev); 57void pci_delete_child(device_t dev, device_t child); 58void pci_driver_added(device_t dev, driver_t *driver); 59int pci_print_child(device_t dev, device_t child); 60void pci_probe_nomatch(device_t dev, device_t child); 61int pci_read_ivar(device_t dev, device_t child, int which, 62 uintptr_t *result); 63int pci_write_ivar(device_t dev, device_t child, int which, 64 uintptr_t value); 65int pci_setup_intr(device_t dev, device_t child, 66 struct resource *irq, int flags, driver_filter_t *filter, 67 driver_intr_t *intr, void *arg, void **cookiep); 68int pci_teardown_intr(device_t dev, device_t child, 69 struct resource *irq, void *cookie); 70int pci_get_vpd_ident_method(device_t dev, device_t child, 71 const char **identptr); 72int pci_get_vpd_readonly_method(device_t dev, device_t child, 73 const char *kw, const char **vptr); 74int pci_set_powerstate_method(device_t dev, device_t child, 75 int state); 76int pci_get_powerstate_method(device_t dev, device_t child); 77uint32_t pci_read_config_method(device_t dev, device_t child, 78 int reg, int width); 79void pci_write_config_method(device_t dev, device_t child, 80 int reg, uint32_t val, int width); 81int pci_enable_busmaster_method(device_t dev, device_t child); 82int pci_disable_busmaster_method(device_t dev, device_t child); 83int pci_enable_io_method(device_t dev, device_t child, int space); 84int pci_disable_io_method(device_t dev, device_t child, int space); 85int pci_find_cap_method(device_t dev, device_t child, 86 int capability, int *capreg); 87int pci_find_extcap_method(device_t dev, device_t child, 88 int capability, int *capreg); 89int pci_find_htcap_method(device_t dev, device_t child, 90 int capability, int *capreg); 91int pci_alloc_msi_method(device_t dev, device_t child, int *count); 92int pci_alloc_msix_method(device_t dev, device_t child, int *count); 93int pci_remap_msix_method(device_t dev, device_t child, 94 int count, const u_int *vectors); 95int pci_release_msi_method(device_t dev, device_t child); 96int pci_msi_count_method(device_t dev, device_t child); 97int pci_msix_count_method(device_t dev, device_t child); 98struct resource *pci_alloc_resource(device_t dev, device_t child, 99 int type, int *rid, u_long start, u_long end, u_long count, 100 u_int flags); 101int pci_release_resource(device_t dev, device_t child, int type, 102 int rid, struct resource *r); 103int pci_activate_resource(device_t dev, device_t child, int type, 104 int rid, struct resource *r); 105int pci_deactivate_resource(device_t dev, device_t child, int type, 106 int rid, struct resource *r); 107void pci_delete_resource(device_t dev, device_t child, 108 int type, int rid); 109struct resource_list *pci_get_resource_list (device_t dev, device_t child); 110struct pci_devinfo *pci_read_device(device_t pcib, int d, int b, int s, int f, 111 size_t size); 112void pci_print_verbose(struct pci_devinfo *dinfo); 113int pci_freecfg(struct pci_devinfo *dinfo); 114void pci_child_detached(device_t dev, device_t child); 115int pci_child_location_str_method(device_t cbdev, device_t child, 116 char *buf, size_t buflen); 117int pci_child_pnpinfo_str_method(device_t cbdev, device_t child, 118 char *buf, size_t buflen); 119int pci_assign_interrupt_method(device_t dev, device_t child); 120int pci_resume(device_t dev); 121int pci_suspend(device_t dev); 122bus_dma_tag_t pci_get_dma_tag(device_t bus, device_t dev); 123 124/** Restore the config register state. The state must be previously 125 * saved with pci_cfg_save. However, the pci bus driver takes care of 126 * that. This function will also return the device to PCI_POWERSTATE_D0 127 * if it is currently in a lower power mode. 128 */ 129void pci_cfg_restore(device_t, struct pci_devinfo *); 130 131/** Save the config register state. Optionally set the power state to D3 132 * if the third argument is non-zero. 133 */ 134void pci_cfg_save(device_t, struct pci_devinfo *, int); 135 136#endif /* _PCI_PRIVATE_H_ */ 137