xref: /titanic_41/usr/src/uts/common/io/bge/bge.h (revision bd5c6927dde2a36d0a8202be51a68f13fd7efb28)
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 2007 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 #ifndef _SYS_BGE_H
28 #define	_SYS_BGE_H
29 
30 #pragma ident	"%Z%%M%	%I%	%E% SMI"
31 
32 #ifdef __cplusplus
33 extern "C" {
34 #endif
35 
36 #include <sys/types.h>
37 
38 /*
39  * Name of the driver
40  */
41 #define	BGE_DRIVER_NAME		"bge"
42 
43 /*
44  * The driver supports the NDD ioctls ND_GET/ND_SET, and the loopback
45  * ioctls LB_GET_INFO_SIZE/LB_GET_INFO/LB_GET_MODE/LB_SET_MODE
46  *
47  * These are the values to use with LD_SET_MODE.
48  * Note: they may not all be supported on any given chip/driver.
49  */
50 #define	BGE_LOOP_NONE		0
51 #define	BGE_LOOP_EXTERNAL_1000	1	/* with Gbit loopback cable	*/
52 #define	BGE_LOOP_EXTERNAL_100	2	/* with loopback cable		*/
53 #define	BGE_LOOP_EXTERNAL_10	3	/* with loopback cable		*/
54 #define	BGE_LOOP_INTERNAL_PHY	4
55 #define	BGE_LOOP_INTERNAL_MAC	5
56 
57 /*
58  * BGE-specific ioctls ...
59  */
60 #define	BGE_IOC			((((('B' << 8) + 'G') << 8) + 'E') << 8)
61 
62 /*
63  * PHY register read/write ioctls, used by cable test software
64  */
65 #define	BGE_MII_READ		(BGE_IOC|1)
66 #define	BGE_MII_WRITE		(BGE_IOC|2)
67 
68 struct bge_mii_rw {
69 	uint32_t	mii_reg;	/* PHY register number [0..31]	*/
70 	uint32_t	mii_data;	/* data to write/data read	*/
71 };
72 
73 /*
74  * SEEPROM read/write ioctls, for use by SEEPROM upgrade utility
75  *
76  * Note: SEEPROMs can only be accessed as 32-bit words, so <see_addr>
77  * must be a multiple of 4.  Not all systems have a SEEPROM fitted!
78  */
79 #define	BGE_SEE_READ		(BGE_IOC|3)
80 #define	BGE_SEE_WRITE		(BGE_IOC|4)
81 
82 struct bge_see_rw {
83 	uint32_t	see_addr;	/* Byte offset within SEEPROM	*/
84 	uint32_t	see_data;	/* Data read/data to write	*/
85 };
86 
87 /*
88  * Flash read/write ioctls, for flash upgrade utility
89  *
90  * Note: flash can only be accessed as 32-bit words, so <flash_addr>
91  * must be a multiple of 4. Not all systems have flash fitted!
92  */
93 #define	BGE_FLASH_READ		(BGE_IOC|5)
94 #define	BGE_FLASH_WRITE		(BGE_IOC|6)
95 
96 struct bge_flash_rw {
97 	uint32_t	flash_addr;	/* Byte offset within flash	*/
98 	uint32_t	flash_data;	/* Data read/data to write	*/
99 };
100 
101 /*
102  * These diagnostic IOCTLS are enabled only in DEBUG drivers
103  */
104 #define	BGE_DIAG		(BGE_IOC|10)	/* currently a no-op	*/
105 #define	BGE_PEEK		(BGE_IOC|11)
106 #define	BGE_POKE		(BGE_IOC|12)
107 #define	BGE_PHY_RESET		(BGE_IOC|13)
108 #define	BGE_SOFT_RESET		(BGE_IOC|14)
109 #define	BGE_HARD_RESET		(BGE_IOC|15)
110 
111 typedef struct {
112 	uint64_t		pp_acc_size;	/* in bytes: 1,2,4,8	*/
113 	uint64_t		pp_acc_space;	/* See #defines below	*/
114 	uint64_t		pp_acc_offset;
115 	uint64_t		pp_acc_data;	/* output for peek	*/
116 						/* input for poke	*/
117 } bge_peekpoke_t;
118 
119 #define	BGE_PP_SPACE_CFG	0		/* PCI config space	*/
120 #define	BGE_PP_SPACE_REG	1		/* PCI memory space	*/
121 #define	BGE_PP_SPACE_NIC	2		/* on-chip memory	*/
122 #define	BGE_PP_SPACE_MII	3		/* PHY's MII registers	*/
123 #define	BGE_PP_SPACE_BGE	4		/* driver's soft state	*/
124 #define	BGE_PP_SPACE_TXDESC	5		/* TX descriptors	*/
125 #define	BGE_PP_SPACE_TXBUFF	6		/* TX buffers		*/
126 #define	BGE_PP_SPACE_RXDESC	7		/* RX descriptors	*/
127 #define	BGE_PP_SPACE_RXBUFF	8		/* RX buffers		*/
128 #define	BGE_PP_SPACE_STATUS	9		/* status block		*/
129 #define	BGE_PP_SPACE_STATISTICS	10		/* statistics block	*/
130 #define	BGE_PP_SPACE_SEEPROM	11		/* SEEPROM (if fitted)	*/
131 #define	BGE_PP_SPACE_FLASH	12		/* FLASH (if fitted)    */
132 
133 #define	BGE_IPMI_ASF
134 
135 /*
136  * Enable BGE_NETCONSOLE only with SPARC
137  */
138 #ifdef __sparc
139 #define	BGE_NETCONSOLE
140 #endif
141 
142 /*
143  * BGE_MAXPKT_RCVED is defined to make sure bge does not stick
144  * in a receiving loop too long. This value is the tuning result
145  * of performance testing on sparc/x86 platforms, with regarding
146  * to throughput/latency/CPU utilization, TCP/UDP
147  */
148 #define	BGE_MAXPKT_RCVED	32
149 
150 #ifdef __cplusplus
151 }
152 #endif
153 
154 #endif	/* _SYS_BGE_H */
155