xref: /illumos-gate/usr/src/uts/i86pc/io/pci/pci_common.h (revision e7cbe64f7a72dae5cb44f100db60ca88f3313c65)
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 /*
23  * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 #ifndef	_PCI_PCI_COMMON_H
28 #define	_PCI_PCI_COMMON_H
29 
30 #pragma ident	"%Z%%M%	%I%	%E% SMI"
31 
32 #ifdef	__cplusplus
33 extern "C" {
34 #endif
35 
36 /*
37  *	Common header file with definitions shared between
38  *	pci(7d) and npe(7d)
39  */
40 
41 /* State structure. */
42 typedef struct pci_state {
43 	dev_info_t *pci_dip;
44 	int pci_fmcap;
45 	ddi_iblock_cookie_t pci_fm_ibc;
46 	kmutex_t pci_peek_poke_mutex;
47 	kmutex_t pci_err_mutex;
48 } pci_state_t;
49 
50 /* AMD's northbridges vendor-id and device-ids */
51 #define	AMD_NTBRDIGE_VID		0x1022	/* AMD vendor-id */
52 #define	AMD_HT_NTBRIDGE_DID		0x1100	/* HT Configuration */
53 #define	AMD_AM_NTBRIDGE_DID		0x1101	/* Address Map */
54 #define	AMD_DC_NTBRIDGE_DID		0x1102	/* DRAM Controller */
55 #define	AMD_MC_NTBRIDGE_DID		0x1103	/* Misc Controller */
56 
57 /*
58  * Check if the given device is an AMD northbridge
59  */
60 #define	IS_AMD_NTBRIDGE(vid, did) \
61 	    (((vid) == AMD_NTBRDIGE_VID) && \
62 	    (((did) == AMD_HT_NTBRIDGE_DID) || \
63 	    ((did) == AMD_AM_NTBRIDGE_DID) || \
64 	    ((did) == AMD_DC_NTBRIDGE_DID) || \
65 	    ((did) == AMD_MC_NTBRIDGE_DID)))
66 
67 /*
68  * Check if the give device is a PCI northbridge
69  */
70 int		is_amd_northbridge(dev_info_t *dip);
71 
72 /*
73  * These are the access routines.
74  * The pci_bus_map sets the handle to point to these in pci(7d).
75  * The npe_bus_map sets the handle to point to these in npe(7d).
76  */
77 uint8_t		pci_config_rd8(ddi_acc_impl_t *hdlp, uint8_t *addr);
78 uint16_t	pci_config_rd16(ddi_acc_impl_t *hdlp, uint16_t *addr);
79 uint32_t	pci_config_rd32(ddi_acc_impl_t *hdlp, uint32_t *addr);
80 uint64_t	pci_config_rd64(ddi_acc_impl_t *hdlp, uint64_t *addr);
81 
82 void		pci_config_wr8(ddi_acc_impl_t *hdlp, uint8_t *addr,
83 		    uint8_t value);
84 void		pci_config_wr16(ddi_acc_impl_t *hdlp, uint16_t *addr,
85 		    uint16_t value);
86 void		pci_config_wr32(ddi_acc_impl_t *hdlp, uint32_t *addr,
87 		    uint32_t value);
88 void		pci_config_wr64(ddi_acc_impl_t *hdlp, uint64_t *addr,
89 		    uint64_t value);
90 
91 void		pci_config_rep_rd8(ddi_acc_impl_t *hdlp, uint8_t *host_addr,
92 		    uint8_t *dev_addr, size_t repcount, uint_t flags);
93 void		pci_config_rep_rd16(ddi_acc_impl_t *hdlp, uint16_t *host_addr,
94 		    uint16_t *dev_addr, size_t repcount, uint_t flags);
95 void		pci_config_rep_rd32(ddi_acc_impl_t *hdlp, uint32_t *host_addr,
96 		    uint32_t *dev_addr, size_t repcount, uint_t flags);
97 void		pci_config_rep_rd64(ddi_acc_impl_t *hdlp, uint64_t *host_addr,
98 		    uint64_t *dev_addr, size_t repcount, uint_t flags);
99 
100 void		pci_config_rep_wr8(ddi_acc_impl_t *hdlp, uint8_t *host_addr,
101 		    uint8_t *dev_addr, size_t repcount, uint_t flags);
102 void		pci_config_rep_wr16(ddi_acc_impl_t *hdlp, uint16_t *host_addr,
103 		    uint16_t *dev_addr, size_t repcount, uint_t flags);
104 void		pci_config_rep_wr32(ddi_acc_impl_t *hdlp, uint32_t *host_addr,
105 		    uint32_t *dev_addr, size_t repcount, uint_t flags);
106 void		pci_config_rep_wr64(ddi_acc_impl_t *hdlp, uint64_t *host_addr,
107 		    uint64_t *dev_addr, size_t repcount, uint_t flags);
108 
109 /*
110  * PCI tool related declarations
111  */
112 int	pci_common_ioctl(dev_info_t *dip, dev_t dev, int cmd,
113 	    intptr_t arg, int mode, cred_t *credp, int *rvalp);
114 
115 /*
116  * Interrupt related declaration
117  */
118 int	pci_common_intr_ops(dev_info_t *, dev_info_t *, ddi_intr_op_t,
119 	    ddi_intr_handle_impl_t *, void *);
120 void	pci_common_set_parent_private_data(dev_info_t *);
121 
122 /*
123  * Miscellaneous library functions
124  */
125 int	pci_common_get_reg_prop(dev_info_t *dip, pci_regspec_t *pci_rp);
126 int	pci_common_name_child(dev_info_t *child, char *name, int namelen);
127 int	pci_common_peekpoke(dev_info_t *dip, dev_info_t *rdip,
128 	ddi_ctl_enum_t ctlop, void *arg, void *result);
129 int	pci_fm_acc_setup(ddi_acc_hdl_t *hp, off_t offset, off_t len);
130 
131 #ifdef	__cplusplus
132 }
133 #endif
134 
135 #endif	/* _PCI_PCI_COMMON_H */
136