xref: /titanic_50/usr/src/uts/sun4/io/px/px_pec.h (revision 30a83a24c1f8c1cdf6fad534cbcc1bfc0b884e9a)
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, Version 1.0 only
6  * (the "License").  You may not use this file except in compliance
7  * with the License.
8  *
9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10  * or http://www.opensolaris.org/os/licensing.
11  * See the License for the specific language governing permissions
12  * and limitations under the License.
13  *
14  * When distributing Covered Code, include this CDDL HEADER in each
15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16  * If applicable, add the following below this CDDL HEADER, with the
17  * fields enclosed by brackets "[]" replaced with your own identifying
18  * information: Portions Copyright [yyyy] [name of copyright owner]
19  *
20  * CDDL HEADER END
21  */
22 /*
23  * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 #ifndef	_SYS_PX_PEC_H
28 #define	_SYS_PX_PEC_H
29 
30 #pragma ident	"%Z%%M%	%I%	%E% SMI"
31 
32 #include <sys/types.h>
33 #include <sys/ontrap.h>
34 
35 #ifdef	__cplusplus
36 extern "C" {
37 #endif
38 
39 /*
40  * The following structure represents the pci-express configuration
41  * header for a fire PEC.
42  */
43 typedef struct px_config_header {
44 	volatile uint16_t ch_vendor_id;
45 	volatile uint16_t ch_device_id;
46 	volatile uint16_t ch_command_reg;
47 	volatile uint16_t ch_status_reg;
48 	volatile uint8_t ch_revision_id_reg;
49 	volatile uint8_t ch_programming_if_code_reg;
50 	volatile uint8_t ch_sub_class_reg;
51 	volatile uint8_t ch_base_class_reg;
52 	volatile uint8_t ch_cache_line_size_reg;
53 	volatile uint8_t ch_latency_timer_reg;
54 	volatile uint8_t ch_header_type_reg;
55 } px_config_header_t;
56 
57 /*
58  * Bit fields of ch_status_reg for cmn_err's %b
59  */
60 #define	PX_STATUS_BITS "\020\
61 \11signaled-parity-error\
62 \14signaled-target-abort\
63 \15received-target-abort\
64 \16received-master-abort\
65 \17signaled-system-error\
66 \20detected-parity-error"
67 
68 /*
69  * pec block soft state structure:
70  *
71  * Each px node has its own private pec block structure.
72  */
73 typedef struct px_pec {
74 	px_t		*pec_px_p;	/* link back to px soft state */
75 
76 	/*
77 	 * Memory address range on this PBM used to determine DMA on this pec
78 	 */
79 	px_iopfn_t		pec_base32_pfn;
80 	px_iopfn_t		pec_last32_pfn;
81 	px_iopfn_t		pec_base64_pfn;
82 	px_iopfn_t		pec_last64_pfn;
83 
84 	/*
85 	 * support for ddi_poke:
86 	 */
87 	on_trap_data_t	*pec_ontrap_data;
88 	int		pec_safeacc_type;
89 	kmutex_t	pec_pokefault_mutex;
90 
91 	/*
92 	 * support for cautious
93 	 */
94 	ddi_acc_handle_t pec_acc_hdl;
95 
96 #define	PBM_NAMESTR_BUFLEN 	64
97 	/* driver name & instance */
98 	char		pec_nameinst_str[PBM_NAMESTR_BUFLEN];
99 
100 	/* nodename & node_addr */
101 	char		*pec_nameaddr_str;
102 
103 	/* MSIQ used for correctable/fatal/non fatala PCIe messages */
104 	msiqid_t	pec_corr_msg_msiq_id;
105 	msiqid_t	pec_non_fatal_msg_msiq_id;
106 	msiqid_t	pec_fatal_msg_msiq_id;
107 } px_pec_t;
108 
109 /*
110  * forward declarations (object creation and destruction):
111  */
112 
113 extern int px_pec_attach(px_t *px_p);
114 extern void px_pec_detach(px_t *px_p);
115 
116 #ifdef	__cplusplus
117 }
118 #endif
119 
120 #endif	/* _SYS_PX_PEC_H */
121