/*- * SPDX-License-Identifier: BSD-2-Clause * * Copyright (c) 1997, Stefan Esser * Copyright (c) 2000, Michael Smith * Copyright (c) 2000, BSDi * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice unmodified, this list of conditions, and the following * disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * */ #ifndef _PCI_PRIVATE_H_ #define _PCI_PRIVATE_H_ /* * Export definitions of the pci bus so that we can more easily share * it with "subclass" buses. */ DECLARE_CLASS(pci_driver); struct pci_softc { bus_dma_tag_t sc_dma_tag; #ifdef PCI_RES_BUS struct resource *sc_bus; #endif }; extern int pci_do_power_resume; extern int pci_do_power_suspend; void pci_add_children(device_t dev, int domain, int busno); void pci_add_child(device_t bus, struct pci_devinfo *dinfo); device_t pci_add_iov_child(device_t bus, device_t pf, uint16_t rid, uint16_t vid, uint16_t did); void pci_add_resources(device_t bus, device_t dev, int force, uint32_t prefetchmask); void pci_add_resources_ea(device_t bus, device_t dev, int alloc_iov); struct pci_devinfo *pci_alloc_devinfo_method(device_t dev); int pci_attach(device_t dev); int pci_attach_common(device_t dev); int pci_detach(device_t dev); int pci_rescan_method(device_t dev); void pci_driver_added(device_t dev, driver_t *driver); int pci_ea_is_enabled(device_t dev, int rid); int pci_print_child(device_t dev, device_t child); void pci_probe_nomatch(device_t dev, device_t child); int pci_read_ivar(device_t dev, device_t child, int which, uintptr_t *result); int pci_write_ivar(device_t dev, device_t child, int which, uintptr_t value); int pci_setup_intr(device_t dev, device_t child, struct resource *irq, int flags, driver_filter_t *filter, driver_intr_t *intr, void *arg, void **cookiep); int pci_teardown_intr(device_t dev, device_t child, struct resource *irq, void *cookie); int pci_get_vpd_ident_method(device_t dev, device_t child, const char **identptr); int pci_get_vpd_readonly_method(device_t dev, device_t child, const char *kw, const char **vptr); int pci_set_powerstate_method(device_t dev, device_t child, int state); int pci_get_powerstate_method(device_t dev, device_t child); uint32_t pci_read_config_method(device_t dev, device_t child, int reg, int width); void pci_write_config_method(device_t dev, device_t child, int reg, uint32_t val, int width); int pci_enable_busmaster_method(device_t dev, device_t child); int pci_disable_busmaster_method(device_t dev, device_t child); int pci_enable_io_method(device_t dev, device_t child, int space); int pci_disable_io_method(device_t dev, device_t child, int space); int pci_find_cap_method(device_t dev, device_t child, int capability, int *capreg); int pci_find_next_cap_method(device_t dev, device_t child, int capability, int start, int *capreg); int pci_find_extcap_method(device_t dev, device_t child, int capability, int *capreg); int pci_find_next_extcap_method(device_t dev, device_t child, int capability, int start, int *capreg); int pci_find_htcap_method(device_t dev, device_t child, int capability, int *capreg); int pci_find_next_htcap_method(device_t dev, device_t child, int capability, int start, int *capreg); int pci_alloc_msi_method(device_t dev, device_t child, int *count); int pci_alloc_msix_method(device_t dev, device_t child, int *count); void pci_enable_msi_method(device_t dev, device_t child, uint64_t address, uint16_t data); void pci_enable_msix_method(device_t dev, device_t child, u_int index, uint64_t address, uint32_t data); void pci_disable_msi_method(device_t dev, device_t child); int pci_remap_msix_method(device_t dev, device_t child, int count, const u_int *vectors); int pci_release_msi_method(device_t dev, device_t child); int pci_msi_count_method(device_t dev, device_t child); int pci_msix_count_method(device_t dev, device_t child); int pci_msix_pba_bar_method(device_t dev, device_t child); int pci_msix_table_bar_method(device_t dev, device_t child); struct resource *pci_alloc_resource(device_t dev, device_t child, int type, int *rid, rman_res_t start, rman_res_t end, rman_res_t count, u_int flags); int pci_release_resource(device_t dev, device_t child, int type, int rid, struct resource *r); int pci_activate_resource(device_t dev, device_t child, int type, int rid, struct resource *r); int pci_deactivate_resource(device_t dev, device_t child, int type, int rid, struct resource *r); void pci_delete_resource(device_t dev, device_t child, int type, int rid); struct resource_list *pci_get_resource_list (device_t dev, device_t child); struct pci_devinfo *pci_read_device(device_t pcib, device_t bus, int d, int b, int s, int f); void pci_print_verbose(struct pci_devinfo *dinfo); int pci_freecfg(struct pci_devinfo *dinfo); void pci_child_deleted(device_t dev, device_t child); void pci_child_detached(device_t dev, device_t child); int pci_child_location_method(device_t cbdev, device_t child, struct sbuf *sb); int pci_child_pnpinfo_method(device_t cbdev, device_t child, struct sbuf *sb); int pci_get_device_path_method(device_t dev, device_t child, const char *locator, struct sbuf *sb); int pci_assign_interrupt_method(device_t dev, device_t child); int pci_resume(device_t dev); int pci_resume_child(device_t dev, device_t child); int pci_suspend_child(device_t dev, device_t child); bus_dma_tag_t pci_get_dma_tag(device_t bus, device_t dev); void pci_child_added_method(device_t dev, device_t child); /** Restore the config register state. The state must be previously * saved with pci_cfg_save. However, the pci bus driver takes care of * that. This function will also return the device to PCI_POWERSTATE_D0 * if it is currently in a lower power mode. */ void pci_cfg_restore(device_t, struct pci_devinfo *); /** Save the config register state. Optionally set the power state to D3 * if the third argument is non-zero. */ void pci_cfg_save(device_t, struct pci_devinfo *, int); int pci_mapsize(uint64_t testval); void pci_read_bar(device_t dev, int reg, pci_addr_t *mapp, pci_addr_t *testvalp, int *bar64); struct pci_map *pci_add_bar(device_t dev, int reg, pci_addr_t value, pci_addr_t size); struct resource *pci_reserve_map(device_t dev, device_t child, int type, int *rid, rman_res_t start, rman_res_t end, rman_res_t count, u_int num, u_int flags); struct resource *pci_alloc_multi_resource(device_t dev, device_t child, int type, int *rid, rman_res_t start, rman_res_t end, rman_res_t count, u_long num, u_int flags); int pci_iov_attach_method(device_t bus, device_t dev, struct nvlist *pf_schema, struct nvlist *vf_schema, const char *name); int pci_iov_detach_method(device_t bus, device_t dev); device_t pci_create_iov_child_method(device_t bus, device_t pf, uint16_t rid, uint16_t vid, uint16_t did); struct resource *pci_vf_alloc_mem_resource(device_t dev, device_t child, int *rid, rman_res_t start, rman_res_t end, rman_res_t count, u_int flags); int pci_vf_release_mem_resource(device_t dev, device_t child, int rid, struct resource *r); #endif /* _PCI_PRIVATE_H_ */