2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
4 * Copyright (c) 1997, Stefan Esser <se@freebsd.org>
5 * Copyright (c) 2000, Michael Smith <msmith@freebsd.org>
6 * Copyright (c) 2000, BSDi
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
12 * 1. Redistributions of source code must retain the above copyright
13 * notice unmodified, this list of conditions, and the following
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
20 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
21 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
22 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
23 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
24 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
28 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
34 #ifndef _PCI_PRIVATE_H_
35 #define _PCI_PRIVATE_H_
38 * Export definitions of the pci bus so that we can more easily share
39 * it with "subclass" buses.
41 DECLARE_CLASS(pci_driver);
44 bus_dma_tag_t sc_dma_tag;
46 struct resource *sc_bus;
50 extern int pci_do_power_resume;
51 extern int pci_do_power_suspend;
53 void pci_add_children(device_t dev, int domain, int busno);
54 void pci_add_child(device_t bus, struct pci_devinfo *dinfo);
55 device_t pci_add_iov_child(device_t bus, device_t pf, uint16_t rid,
56 uint16_t vid, uint16_t did);
57 void pci_add_resources(device_t bus, device_t dev, int force,
58 uint32_t prefetchmask);
59 void pci_add_resources_ea(device_t bus, device_t dev, int alloc_iov);
60 struct pci_devinfo *pci_alloc_devinfo_method(device_t dev);
61 int pci_attach(device_t dev);
62 int pci_attach_common(device_t dev);
63 int pci_detach(device_t dev);
64 int pci_rescan_method(device_t dev);
65 void pci_driver_added(device_t dev, driver_t *driver);
66 int pci_ea_is_enabled(device_t dev, int rid);
67 int pci_print_child(device_t dev, device_t child);
68 void pci_probe_nomatch(device_t dev, device_t child);
69 int pci_read_ivar(device_t dev, device_t child, int which,
71 int pci_write_ivar(device_t dev, device_t child, int which,
73 int pci_setup_intr(device_t dev, device_t child,
74 struct resource *irq, int flags, driver_filter_t *filter,
75 driver_intr_t *intr, void *arg, void **cookiep);
76 int pci_teardown_intr(device_t dev, device_t child,
77 struct resource *irq, void *cookie);
78 int pci_get_vpd_ident_method(device_t dev, device_t child,
79 const char **identptr);
80 int pci_get_vpd_readonly_method(device_t dev, device_t child,
81 const char *kw, const char **vptr);
82 int pci_set_powerstate_method(device_t dev, device_t child,
84 int pci_get_powerstate_method(device_t dev, device_t child);
85 uint32_t pci_read_config_method(device_t dev, device_t child,
87 void pci_write_config_method(device_t dev, device_t child,
88 int reg, uint32_t val, int width);
89 int pci_enable_busmaster_method(device_t dev, device_t child);
90 int pci_disable_busmaster_method(device_t dev, device_t child);
91 int pci_enable_io_method(device_t dev, device_t child, int space);
92 int pci_disable_io_method(device_t dev, device_t child, int space);
93 int pci_find_cap_method(device_t dev, device_t child,
94 int capability, int *capreg);
95 int pci_find_next_cap_method(device_t dev, device_t child,
96 int capability, int start, int *capreg);
97 int pci_find_extcap_method(device_t dev, device_t child,
98 int capability, int *capreg);
99 int pci_find_next_extcap_method(device_t dev, device_t child,
100 int capability, int start, int *capreg);
101 int pci_find_htcap_method(device_t dev, device_t child,
102 int capability, int *capreg);
103 int pci_find_next_htcap_method(device_t dev, device_t child,
104 int capability, int start, int *capreg);
105 int pci_alloc_msi_method(device_t dev, device_t child, int *count);
106 int pci_alloc_msix_method(device_t dev, device_t child, int *count);
107 void pci_enable_msi_method(device_t dev, device_t child,
108 uint64_t address, uint16_t data);
109 void pci_enable_msix_method(device_t dev, device_t child,
110 u_int index, uint64_t address, uint32_t data);
111 void pci_disable_msi_method(device_t dev, device_t child);
112 int pci_remap_msix_method(device_t dev, device_t child,
113 int count, const u_int *vectors);
114 int pci_release_msi_method(device_t dev, device_t child);
115 int pci_msi_count_method(device_t dev, device_t child);
116 int pci_msix_count_method(device_t dev, device_t child);
117 int pci_msix_pba_bar_method(device_t dev, device_t child);
118 int pci_msix_table_bar_method(device_t dev, device_t child);
119 struct resource *pci_alloc_resource(device_t dev, device_t child,
120 int type, int *rid, rman_res_t start, rman_res_t end,
121 rman_res_t count, u_int flags);
122 int pci_release_resource(device_t dev, device_t child, int type,
123 int rid, struct resource *r);
124 int pci_activate_resource(device_t dev, device_t child, int type,
125 int rid, struct resource *r);
126 int pci_deactivate_resource(device_t dev, device_t child, int type,
127 int rid, struct resource *r);
128 void pci_delete_resource(device_t dev, device_t child,
130 struct resource_list *pci_get_resource_list (device_t dev, device_t child);
131 struct pci_devinfo *pci_read_device(device_t pcib, device_t bus, int d, int b,
133 void pci_print_verbose(struct pci_devinfo *dinfo);
134 int pci_freecfg(struct pci_devinfo *dinfo);
135 void pci_child_deleted(device_t dev, device_t child);
136 void pci_child_detached(device_t dev, device_t child);
137 int pci_child_location_str_method(device_t cbdev, device_t child,
138 char *buf, size_t buflen);
139 int pci_child_pnpinfo_str_method(device_t cbdev, device_t child,
140 char *buf, size_t buflen);
141 int pci_assign_interrupt_method(device_t dev, device_t child);
142 int pci_resume(device_t dev);
143 int pci_resume_child(device_t dev, device_t child);
144 int pci_suspend_child(device_t dev, device_t child);
145 bus_dma_tag_t pci_get_dma_tag(device_t bus, device_t dev);
146 void pci_child_added_method(device_t dev, device_t child);
148 /** Restore the config register state. The state must be previously
149 * saved with pci_cfg_save. However, the pci bus driver takes care of
150 * that. This function will also return the device to PCI_POWERSTATE_D0
151 * if it is currently in a lower power mode.
153 void pci_cfg_restore(device_t, struct pci_devinfo *);
155 /** Save the config register state. Optionally set the power state to D3
156 * if the third argument is non-zero.
158 void pci_cfg_save(device_t, struct pci_devinfo *, int);
160 int pci_mapsize(uint64_t testval);
161 void pci_read_bar(device_t dev, int reg, pci_addr_t *mapp,
162 pci_addr_t *testvalp, int *bar64);
163 struct pci_map *pci_add_bar(device_t dev, int reg, pci_addr_t value,
166 struct resource *pci_alloc_multi_resource(device_t dev, device_t child,
167 int type, int *rid, rman_res_t start, rman_res_t end,
168 rman_res_t count, u_long num, u_int flags);
170 int pci_iov_attach_method(device_t bus, device_t dev,
171 struct nvlist *pf_schema, struct nvlist *vf_schema,
173 int pci_iov_detach_method(device_t bus, device_t dev);
175 device_t pci_create_iov_child_method(device_t bus, device_t pf,
176 uint16_t rid, uint16_t vid, uint16_t did);
178 struct resource *pci_vf_alloc_mem_resource(device_t dev, device_t child,
179 int *rid, rman_res_t start, rman_res_t end,
180 rman_res_t count, u_int flags);
181 int pci_vf_release_mem_resource(device_t dev, device_t child,
182 int rid, struct resource *r);
183 #endif /* _PCI_PRIVATE_H_ */