xref: /titanic_51/usr/src/uts/common/sys/pci_cfgacc.h (revision c0da627439dfb642fb41ab7d78406fc69d2c64b2)
1*c0da6274SZhi-Jun Robin Fu /*
2*c0da6274SZhi-Jun Robin Fu  * CDDL HEADER START
3*c0da6274SZhi-Jun Robin Fu  *
4*c0da6274SZhi-Jun Robin Fu  * The contents of this file are subject to the terms of the
5*c0da6274SZhi-Jun Robin Fu  * Common Development and Distribution License (the "License").
6*c0da6274SZhi-Jun Robin Fu  * You may not use this file except in compliance with the License.
7*c0da6274SZhi-Jun Robin Fu  *
8*c0da6274SZhi-Jun Robin Fu  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9*c0da6274SZhi-Jun Robin Fu  * or http://www.opensolaris.org/os/licensing.
10*c0da6274SZhi-Jun Robin Fu  * See the License for the specific language governing permissions
11*c0da6274SZhi-Jun Robin Fu  * and limitations under the License.
12*c0da6274SZhi-Jun Robin Fu  *
13*c0da6274SZhi-Jun Robin Fu  * When distributing Covered Code, include this CDDL HEADER in each
14*c0da6274SZhi-Jun Robin Fu  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15*c0da6274SZhi-Jun Robin Fu  * If applicable, add the following below this CDDL HEADER, with the
16*c0da6274SZhi-Jun Robin Fu  * fields enclosed by brackets "[]" replaced with your own identifying
17*c0da6274SZhi-Jun Robin Fu  * information: Portions Copyright [yyyy] [name of copyright owner]
18*c0da6274SZhi-Jun Robin Fu  *
19*c0da6274SZhi-Jun Robin Fu  * CDDL HEADER END
20*c0da6274SZhi-Jun Robin Fu  */
21*c0da6274SZhi-Jun Robin Fu /*
22*c0da6274SZhi-Jun Robin Fu  * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
23*c0da6274SZhi-Jun Robin Fu  * Use is subject to license terms.
24*c0da6274SZhi-Jun Robin Fu  */
25*c0da6274SZhi-Jun Robin Fu 
26*c0da6274SZhi-Jun Robin Fu #ifndef	_PCI_CFGACC_H
27*c0da6274SZhi-Jun Robin Fu #define	_PCI_CFGACC_H
28*c0da6274SZhi-Jun Robin Fu 
29*c0da6274SZhi-Jun Robin Fu #include <sys/dditypes.h>
30*c0da6274SZhi-Jun Robin Fu 
31*c0da6274SZhi-Jun Robin Fu #ifdef	__cplusplus
32*c0da6274SZhi-Jun Robin Fu extern "C" {
33*c0da6274SZhi-Jun Robin Fu #endif
34*c0da6274SZhi-Jun Robin Fu 
35*c0da6274SZhi-Jun Robin Fu #ifndef _ASM
36*c0da6274SZhi-Jun Robin Fu 
37*c0da6274SZhi-Jun Robin Fu #define	PCI_GETBDF(b, d, f)	\
38*c0da6274SZhi-Jun Robin Fu 	((d != 0) ?		\
39*c0da6274SZhi-Jun Robin Fu 	((((uint16_t)b & 0xff) << 8) + (((uint8_t)d & 0x1f) << 3) + \
40*c0da6274SZhi-Jun Robin Fu 	((uint8_t)f & 0x7)) :	\
41*c0da6274SZhi-Jun Robin Fu 	((((uint16_t)b & 0xff) << 8) + ((uint8_t)f & 0xff)))
42*c0da6274SZhi-Jun Robin Fu 
43*c0da6274SZhi-Jun Robin Fu typedef union pci_cfg_data {
44*c0da6274SZhi-Jun Robin Fu 	uint8_t b;
45*c0da6274SZhi-Jun Robin Fu 	uint16_t w;
46*c0da6274SZhi-Jun Robin Fu 	uint32_t dw;
47*c0da6274SZhi-Jun Robin Fu 	uint64_t qw;
48*c0da6274SZhi-Jun Robin Fu } pci_cfg_data_t;
49*c0da6274SZhi-Jun Robin Fu 
50*c0da6274SZhi-Jun Robin Fu typedef enum pci_config_size {
51*c0da6274SZhi-Jun Robin Fu 	PCI_CFG_SIZE_BYTE = 1,
52*c0da6274SZhi-Jun Robin Fu 	PCI_CFG_SIZE_WORD = 2,
53*c0da6274SZhi-Jun Robin Fu 	PCI_CFG_SIZE_DWORD = 4,
54*c0da6274SZhi-Jun Robin Fu 	PCI_CFG_SIZE_QWORD = 8
55*c0da6274SZhi-Jun Robin Fu } pci_config_size_t;
56*c0da6274SZhi-Jun Robin Fu 
57*c0da6274SZhi-Jun Robin Fu typedef struct pci_cfgacc_req {
58*c0da6274SZhi-Jun Robin Fu 	dev_info_t	*rcdip;
59*c0da6274SZhi-Jun Robin Fu 	uint16_t	bdf;
60*c0da6274SZhi-Jun Robin Fu 	uint16_t	offset;
61*c0da6274SZhi-Jun Robin Fu 	uint8_t		size;
62*c0da6274SZhi-Jun Robin Fu 	boolean_t	write;
63*c0da6274SZhi-Jun Robin Fu 	pci_cfg_data_t	value;
64*c0da6274SZhi-Jun Robin Fu 	boolean_t	ioacc;
65*c0da6274SZhi-Jun Robin Fu } pci_cfgacc_req_t;
66*c0da6274SZhi-Jun Robin Fu #define	VAL8(req)	((req)->value.b)
67*c0da6274SZhi-Jun Robin Fu #define	VAL16(req)	((req)->value.w)
68*c0da6274SZhi-Jun Robin Fu #define	VAL32(req)	((req)->value.dw)
69*c0da6274SZhi-Jun Robin Fu #define	VAL64(req)	((req)->value.qw)
70*c0da6274SZhi-Jun Robin Fu 
71*c0da6274SZhi-Jun Robin Fu extern uint8_t	pci_cfgacc_get8(dev_info_t *, uint16_t, uint16_t);
72*c0da6274SZhi-Jun Robin Fu extern uint16_t	pci_cfgacc_get16(dev_info_t *, uint16_t, uint16_t);
73*c0da6274SZhi-Jun Robin Fu extern uint32_t	pci_cfgacc_get32(dev_info_t *, uint16_t, uint16_t);
74*c0da6274SZhi-Jun Robin Fu extern uint64_t	pci_cfgacc_get64(dev_info_t *, uint16_t, uint16_t);
75*c0da6274SZhi-Jun Robin Fu extern void	pci_cfgacc_put8(dev_info_t *, uint16_t, uint16_t, uint8_t);
76*c0da6274SZhi-Jun Robin Fu extern void	pci_cfgacc_put16(dev_info_t *, uint16_t, uint16_t, uint16_t);
77*c0da6274SZhi-Jun Robin Fu extern void	pci_cfgacc_put32(dev_info_t *, uint16_t, uint16_t, uint32_t);
78*c0da6274SZhi-Jun Robin Fu extern void	pci_cfgacc_put64(dev_info_t *, uint16_t, uint16_t, uint64_t);
79*c0da6274SZhi-Jun Robin Fu extern void	pci_cfgacc_acc(pci_cfgacc_req_t *);
80*c0da6274SZhi-Jun Robin Fu 
81*c0da6274SZhi-Jun Robin Fu #endif /* _ASM */
82*c0da6274SZhi-Jun Robin Fu 
83*c0da6274SZhi-Jun Robin Fu #ifdef	__cplusplus
84*c0da6274SZhi-Jun Robin Fu }
85*c0da6274SZhi-Jun Robin Fu #endif
86*c0da6274SZhi-Jun Robin Fu 
87*c0da6274SZhi-Jun Robin Fu #endif /* _PCI_CFGACC_H */
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