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 330938 2018-03-14 19:04:40Z 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 */ 39 DECLARE_CLASS(pci_driver); 40 41 struct pci_softc { 42 bus_dma_tag_t sc_dma_tag; 43 #ifdef PCI_RES_BUS 44 struct resource *sc_bus; 45 #endif 46 }; 47 48 extern int pci_do_power_resume; 49 extern int pci_do_power_suspend; 50 51 void pci_add_children(device_t dev, int domain, int busno, 52 size_t dinfo_size); 53 void pci_add_child(device_t bus, struct pci_devinfo *dinfo); 54 void pci_add_resources(device_t bus, device_t dev, int force, 55 uint32_t prefetchmask); 56 int pci_attach_common(device_t dev); 57 void pci_driver_added(device_t dev, driver_t *driver); 58 int pci_print_child(device_t dev, device_t child); 59 void pci_probe_nomatch(device_t dev, device_t child); 60 int pci_read_ivar(device_t dev, device_t child, int which, 61 uintptr_t *result); 62 int pci_write_ivar(device_t dev, device_t child, int which, 63 uintptr_t value); 64 int pci_setup_intr(device_t dev, device_t child, 65 struct resource *irq, int flags, driver_filter_t *filter, 66 driver_intr_t *intr, void *arg, void **cookiep); 67 int pci_teardown_intr(device_t dev, device_t child, 68 struct resource *irq, void *cookie); 69 int pci_get_vpd_ident_method(device_t dev, device_t child, 70 const char **identptr); 71 int pci_get_vpd_readonly_method(device_t dev, device_t child, 72 const char *kw, const char **vptr); 73 int pci_set_powerstate_method(device_t dev, device_t child, 74 int state); 75 int pci_get_powerstate_method(device_t dev, device_t child); 76 uint32_t pci_read_config_method(device_t dev, device_t child, 77 int reg, int width); 78 void pci_write_config_method(device_t dev, device_t child, 79 int reg, uint32_t val, int width); 80 int pci_enable_busmaster_method(device_t dev, device_t child); 81 int pci_disable_busmaster_method(device_t dev, device_t child); 82 int pci_enable_io_method(device_t dev, device_t child, int space); 83 int pci_disable_io_method(device_t dev, device_t child, int space); 84 int pci_find_cap_method(device_t dev, device_t child, 85 int capability, int *capreg); 86 int pci_find_extcap_method(device_t dev, device_t child, 87 int capability, int *capreg); 88 int pci_find_htcap_method(device_t dev, device_t child, 89 int capability, int *capreg); 90 int pci_alloc_msi_method(device_t dev, device_t child, int *count); 91 int pci_alloc_msix_method(device_t dev, device_t child, int *count); 92 void pci_enable_msi_method(device_t dev, device_t child, 93 uint64_t address, uint16_t data); 94 void pci_enable_msix_method(device_t dev, device_t child, 95 u_int index, uint64_t address, uint32_t data); 96 void pci_disable_msi_method(device_t dev, device_t child); 97 int pci_remap_msix_method(device_t dev, device_t child, 98 int count, const u_int *vectors); 99 int pci_release_msi_method(device_t dev, device_t child); 100 int pci_msi_count_method(device_t dev, device_t child); 101 int pci_msix_count_method(device_t dev, device_t child); 102 int pci_msix_pba_bar_method(device_t dev, device_t child); 103 int pci_msix_table_bar_method(device_t dev, device_t child); 104 struct resource *pci_alloc_resource(device_t dev, device_t child, 105 int type, int *rid, u_long start, u_long end, u_long count, 106 u_int flags); 107 int pci_release_resource(device_t dev, device_t child, int type, 108 int rid, struct resource *r); 109 int pci_activate_resource(device_t dev, device_t child, int type, 110 int rid, struct resource *r); 111 int pci_deactivate_resource(device_t dev, device_t child, int type, 112 int rid, struct resource *r); 113 void pci_delete_resource(device_t dev, device_t child, 114 int type, int rid); 115 struct resource_list *pci_get_resource_list (device_t dev, device_t child); 116 struct pci_devinfo *pci_read_device(device_t pcib, int d, int b, int s, int f, 117 size_t size); 118 void pci_print_verbose(struct pci_devinfo *dinfo); 119 int pci_freecfg(struct pci_devinfo *dinfo); 120 void pci_child_deleted(device_t dev, device_t child); 121 void pci_child_detached(device_t dev, device_t child); 122 int pci_child_location_str_method(device_t cbdev, device_t child, 123 char *buf, size_t buflen); 124 int pci_child_pnpinfo_str_method(device_t cbdev, device_t child, 125 char *buf, size_t buflen); 126 int pci_assign_interrupt_method(device_t dev, device_t child); 127 int pci_resume(device_t dev); 128 int pci_suspend(device_t dev); 129 bus_dma_tag_t pci_get_dma_tag(device_t bus, device_t dev); 130 void pci_child_added_method(device_t dev, device_t child); 131 132 /** Restore the config register state. The state must be previously 133 * saved with pci_cfg_save. However, the pci bus driver takes care of 134 * that. This function will also return the device to PCI_POWERSTATE_D0 135 * if it is currently in a lower power mode. 136 */ 137 void pci_cfg_restore(device_t, struct pci_devinfo *); 138 139 /** Save the config register state. Optionally set the power state to D3 140 * if the third argument is non-zero. 141 */ 142 void pci_cfg_save(device_t, struct pci_devinfo *, int); 143 144 #endif /* _PCI_PRIVATE_H_ */ 145