1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License (the "License").
6  * You may not use this file except in compliance with the License.
7  *
8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9  * or http://www.opensolaris.org/os/licensing.
10  * See the License for the specific language governing permissions
11  * and limitations under the License.
12  *
13  * When distributing Covered Code, include this CDDL HEADER in each
14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15  * If applicable, add the following below this CDDL HEADER, with the
16  * fields enclosed by brackets "[]" replaced with your own identifying
17  * information: Portions Copyright [yyyy] [name of copyright owner]
18  *
19  * CDDL HEADER END
20  */
21 /*
22  * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
23  * Use is subject to license terms.
24  * Copyright 2024 Oxide Computer Co.
25  */
26 
27 #ifndef	_SYS_HOTPLUG_PCI_PCIEHPC_H
28 #define	_SYS_HOTPLUG_PCI_PCIEHPC_H
29 
30 #ifdef _KERNEL
31 #include <sys/ddi_hp.h>
32 #include <sys/pcie_impl.h>
33 #include <sys/stdbool.h>
34 #include <sys/hotplug/pci/pcie_hp.h>
35 #endif /* _KERNEL */
36 
37 #ifdef	__cplusplus
38 extern "C" {
39 #endif
40 
41 #ifdef	_KERNEL
42 
43 /*
44  * Interfaces exported by PCI-E nexus Hot Plug Controller extension module
45  */
46 int pciehpc_init(dev_info_t *dip, caddr_t arg);
47 int pciehpc_uninit(dev_info_t *dip);
48 int pciehpc_intr(dev_info_t *dip);
49 int pciehpc_hp_ops(dev_info_t *dip, char *cn_name, ddi_hp_op_t op, void *arg,
50     void *result);
51 void pciehpc_get_slot_state(pcie_hp_slot_t *slot_p);
52 void pciehpc_set_slot_name(pcie_hp_ctrl_t *ctrl_p);
53 uint8_t pciehpc_reg_get8(pcie_hp_ctrl_t *ctrl_p, uint_t off);
54 uint16_t pciehpc_reg_get16(pcie_hp_ctrl_t *ctrl_p, uint_t off);
55 uint32_t pciehpc_reg_get32(pcie_hp_ctrl_t *ctrl_p, uint_t off);
56 void pciehpc_reg_put8(pcie_hp_ctrl_t *ctrl_p, uint_t off, uint8_t val);
57 void pciehpc_reg_put16(pcie_hp_ctrl_t *ctrl_p, uint_t off, uint16_t val);
58 void pciehpc_reg_put32(pcie_hp_ctrl_t *ctrl_p, uint_t off, uint32_t val);
59 void pciehpc_led_init(pcie_hp_slot_t *slot_p);
60 extern bool pciehpc_slot_kstat_init(pcie_hp_slot_t *);
61 extern void pciehpc_slot_kstat_fini(pcie_hp_slot_t *);
62 #if	defined(__i386) || defined(__amd64)
63 extern void pciehpc_update_ops(pcie_hp_ctrl_t *ctrl_p);
64 #endif	/* defined(__i386) || defined(__amd64) */
65 
66 #endif	/* _KERNEL */
67 
68 #ifdef	__cplusplus
69 }
70 #endif
71 
72 #endif	/* _SYS_HOTPLUG_PCI_PCIEHPC_H */
73