8766350924
all for platforms that only have 32-bit bus addresses. Second, remove the 'tag_valid' flag from the softc. Instead, if we don't create a tag in pci_attach_common(), just cache the value of our parent's tag so that we always have a valid tag to return.
130 lines
5.6 KiB
C
130 lines
5.6 KiB
C
/*-
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* Copyright (c) 1997, Stefan Esser <se@freebsd.org>
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* Copyright (c) 2000, Michael Smith <msmith@freebsd.org>
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* Copyright (c) 2000, BSDi
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice unmodified, this list of conditions, and the following
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* disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $FreeBSD$
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*
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*/
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#ifndef _PCI_PRIVATE_H_
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#define _PCI_PRIVATE_H_
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/*
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* Export definitions of the pci bus so that we can more easily share
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* it with "subclass" busses.
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*/
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DECLARE_CLASS(pci_driver);
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struct pci_softc {
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bus_dma_tag_t sc_dma_tag;
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};
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extern int pci_do_power_resume;
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extern int pci_do_power_suspend;
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void pci_add_children(device_t dev, int domain, int busno,
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size_t dinfo_size);
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void pci_add_child(device_t bus, struct pci_devinfo *dinfo);
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void pci_add_resources(device_t bus, device_t dev, int force,
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uint32_t prefetchmask);
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int pci_attach_common(device_t dev);
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void pci_delete_child(device_t dev, device_t child);
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void pci_driver_added(device_t dev, driver_t *driver);
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int pci_print_child(device_t dev, device_t child);
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void pci_probe_nomatch(device_t dev, device_t child);
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int pci_read_ivar(device_t dev, device_t child, int which,
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uintptr_t *result);
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int pci_write_ivar(device_t dev, device_t child, int which,
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uintptr_t value);
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int pci_setup_intr(device_t dev, device_t child,
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struct resource *irq, int flags, driver_filter_t *filter,
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driver_intr_t *intr, void *arg, void **cookiep);
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int pci_teardown_intr(device_t dev, device_t child,
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struct resource *irq, void *cookie);
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int pci_get_vpd_ident_method(device_t dev, device_t child,
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const char **identptr);
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int pci_get_vpd_readonly_method(device_t dev, device_t child,
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const char *kw, const char **vptr);
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int pci_set_powerstate_method(device_t dev, device_t child,
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int state);
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int pci_get_powerstate_method(device_t dev, device_t child);
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uint32_t pci_read_config_method(device_t dev, device_t child,
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int reg, int width);
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void pci_write_config_method(device_t dev, device_t child,
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int reg, uint32_t val, int width);
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int pci_enable_busmaster_method(device_t dev, device_t child);
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int pci_disable_busmaster_method(device_t dev, device_t child);
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int pci_enable_io_method(device_t dev, device_t child, int space);
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int pci_disable_io_method(device_t dev, device_t child, int space);
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int pci_find_cap_method(device_t dev, device_t child,
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int capability, int *capreg);
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int pci_find_extcap_method(device_t dev, device_t child,
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int capability, int *capreg);
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int pci_find_htcap_method(device_t dev, device_t child,
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int capability, int *capreg);
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int pci_alloc_msi_method(device_t dev, device_t child, int *count);
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int pci_alloc_msix_method(device_t dev, device_t child, int *count);
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int pci_remap_msix_method(device_t dev, device_t child,
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int count, const u_int *vectors);
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int pci_release_msi_method(device_t dev, device_t child);
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int pci_msi_count_method(device_t dev, device_t child);
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int pci_msix_count_method(device_t dev, device_t child);
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struct resource *pci_alloc_resource(device_t dev, device_t child,
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int type, int *rid, u_long start, u_long end, u_long count,
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u_int flags);
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int pci_activate_resource(device_t dev, device_t child, int type,
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int rid, struct resource *r);
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int pci_deactivate_resource(device_t dev, device_t child, int type,
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int rid, struct resource *r);
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void pci_delete_resource(device_t dev, device_t child,
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int type, int rid);
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struct resource_list *pci_get_resource_list (device_t dev, device_t child);
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struct pci_devinfo *pci_read_device(device_t pcib, int d, int b, int s, int f,
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size_t size);
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void pci_print_verbose(struct pci_devinfo *dinfo);
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int pci_freecfg(struct pci_devinfo *dinfo);
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int pci_child_location_str_method(device_t cbdev, device_t child,
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char *buf, size_t buflen);
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int pci_child_pnpinfo_str_method(device_t cbdev, device_t child,
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char *buf, size_t buflen);
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int pci_assign_interrupt_method(device_t dev, device_t child);
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int pci_resume(device_t dev);
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int pci_suspend(device_t dev);
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/** Restore the config register state. The state must be previously
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* saved with pci_cfg_save. However, the pci bus driver takes care of
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* that. This function will also return the device to PCI_POWERSTATE_D0
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* if it is currently in a lower power mode.
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*/
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void pci_cfg_restore(device_t, struct pci_devinfo *);
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/** Save the config register state. Optionally set the power state to D3
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* if the third argument is non-zero.
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*/
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void pci_cfg_save(device_t, struct pci_devinfo *, int);
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#endif /* _PCI_PRIVATE_H_ */
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