xref: /titanic_41/usr/src/uts/common/sys/hotplug/pci/pcihp.h (revision bb25c06cca41ca78e5fb87fbb8e81d55beb18c95)
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 2006 Sun Microsystems, Inc.  All rights reserved.
23  * Use is subject to license terms.
24  */
25 
26 #ifndef	_SYS_HOTPLUG_PCI_PCIHP_H
27 #define	_SYS_HOTPLUG_PCI_PCIHP_H
28 
29 #pragma ident	"%Z%%M%	%I%	%E% SMI"
30 
31 #ifdef	__cplusplus
32 extern "C" {
33 #endif
34 
35 #include <sys/hotplug/pci/pcihp_impl.h>
36 
37 #ifdef	_KERNEL
38 /*
39  * Interfaces exported by PCI Nexus extension module, kernel/misc/pcihp.
40  */
41 int pcihp_init(dev_info_t *);
42 int pcihp_uninit(dev_info_t *);
43 int pcihp_info(dev_info_t *, ddi_info_cmd_t, void *, void **);
44 struct cb_ops *pcihp_get_cb_ops(void);
45 #endif
46 
47 /* definitions for minor numbers */
48 #define	PCIHP_AP_MINOR_NUM(x, y)		(((uint_t)(x) << 8) | \
49 						((y) & 0xFF))
50 #define	PCIHP_AP_MINOR_NUM_TO_PCI_DEVNUM(x)	((x) & 0xFF)
51 #define	PCIHP_AP_MINOR_NUM_TO_INSTANCE(x)	((x) >> 8)
52 #define	PCIHP_DEVCTL_MINOR	0xFF
53 #define	PCIHP_DEBUG_MINOR	0xFE
54 
55 /* definitons for cPCI platforms */
56 #define	PCI_CONF_EXTCAP		0x34	/* Extended Capabilities Pointer */
57 #define	PCI_ECP_CAPID		0x00	/* Capability ID */
58 #define	PCI_ECP_NEXT		0x01	/* Pointer to Next Capability */
59 #define	PCI_ECP_HS_CSR		0x02	/* Hot Swap Control and Status Reg */
60 #define	CPCI_HOTSWAP_CAPID	0x06	/* Hot Swap Capability ID */
61 
62 #define	HS_CSR_INS		0x80	/* ENUM Status - Insertion */
63 #define	HS_CSR_EXT		0x40	/* ENUM Status - Extraction */
64 #define	HS_CSR_LOO		0x08	/* LED ON/OFF 1=ON 0=OFF */
65 #define	HS_CSR_EIM		0x02	/* ENUM# Signal Mask */
66 
67 #define	PCIHP_MAKE_REG_HIGH(busnum, devnum, funcnum, register)\
68 	(\
69 	((ulong_t)(busnum & 0xff) << 16)	|\
70 	((ulong_t)(devnum & 0x1f) << 11)	|\
71 	((ulong_t)(funcnum & 0x7) <<  8)	|\
72 	((ulong_t)(register & 0x3f)))
73 
74 #define	PCIHP_SUCCESS DDI_SUCCESS
75 #define	PCIHP_FAILURE DDI_FAILURE
76 
77 /* cPCI hotswap definitions */
78 #define	PCIHP_HANDLE_ENUM	1	/* clear interrupt and take action */
79 #define	PCIHP_CLEAR_ENUM	2	/* clear interrupt only. */
80 
81 #ifdef	__cplusplus
82 }
83 #endif
84 
85 #endif	/* _SYS_HOTPLUG_PCI_PCIHP_H */
86