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1da177e4 LT |
1 | /* |
2 | * Device driver for the SYMBIOS/LSILOGIC 53C8XX and 53C1010 family | |
3 | * of PCI-SCSI IO processors. | |
4 | * | |
5 | * Copyright (C) 1999-2001 Gerard Roudier <groudier@free.fr> | |
6 | * | |
7 | * This driver is derived from the Linux sym53c8xx driver. | |
8 | * Copyright (C) 1998-2000 Gerard Roudier | |
9 | * | |
10 | * The sym53c8xx driver is derived from the ncr53c8xx driver that had been | |
11 | * a port of the FreeBSD ncr driver to Linux-1.2.13. | |
12 | * | |
13 | * The original ncr driver has been written for 386bsd and FreeBSD by | |
14 | * Wolfgang Stanglmeier <wolf@cologne.de> | |
15 | * Stefan Esser <se@mi.Uni-Koeln.de> | |
16 | * Copyright (C) 1994 Wolfgang Stanglmeier | |
17 | * | |
18 | * Other major contributions: | |
19 | * | |
20 | * NVRAM detection and reading. | |
21 | * Copyright (C) 1997 Richard Waltham <dormouse@farsrobt.demon.co.uk> | |
22 | * | |
23 | *----------------------------------------------------------------------------- | |
24 | * | |
25 | * This program is free software; you can redistribute it and/or modify | |
26 | * it under the terms of the GNU General Public License as published by | |
27 | * the Free Software Foundation; either version 2 of the License, or | |
28 | * (at your option) any later version. | |
29 | * | |
30 | * This program is distributed in the hope that it will be useful, | |
31 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
32 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
33 | * GNU General Public License for more details. | |
34 | * | |
35 | * You should have received a copy of the GNU General Public License | |
36 | * along with this program; if not, write to the Free Software | |
37 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
38 | */ | |
39 | ||
40 | #ifndef SYM_NVRAM_H | |
41 | #define SYM_NVRAM_H | |
42 | ||
43 | #include "sym53c8xx.h" | |
44 | ||
45 | /* | |
46 | * Symbios NVRAM data format | |
47 | */ | |
48 | #define SYMBIOS_NVRAM_SIZE 368 | |
49 | #define SYMBIOS_NVRAM_ADDRESS 0x100 | |
50 | ||
51 | struct Symbios_nvram { | |
52 | /* Header 6 bytes */ | |
53 | u_short type; /* 0x0000 */ | |
54 | u_short byte_count; /* excluding header/trailer */ | |
55 | u_short checksum; | |
56 | ||
57 | /* Controller set up 20 bytes */ | |
58 | u_char v_major; /* 0x00 */ | |
59 | u_char v_minor; /* 0x30 */ | |
60 | u32 boot_crc; | |
61 | u_short flags; | |
62 | #define SYMBIOS_SCAM_ENABLE (1) | |
63 | #define SYMBIOS_PARITY_ENABLE (1<<1) | |
64 | #define SYMBIOS_VERBOSE_MSGS (1<<2) | |
65 | #define SYMBIOS_CHS_MAPPING (1<<3) | |
66 | #define SYMBIOS_NO_NVRAM (1<<3) /* ??? */ | |
67 | u_short flags1; | |
68 | #define SYMBIOS_SCAN_HI_LO (1) | |
69 | u_short term_state; | |
70 | #define SYMBIOS_TERM_CANT_PROGRAM (0) | |
71 | #define SYMBIOS_TERM_ENABLED (1) | |
72 | #define SYMBIOS_TERM_DISABLED (2) | |
73 | u_short rmvbl_flags; | |
74 | #define SYMBIOS_RMVBL_NO_SUPPORT (0) | |
75 | #define SYMBIOS_RMVBL_BOOT_DEVICE (1) | |
76 | #define SYMBIOS_RMVBL_MEDIA_INSTALLED (2) | |
77 | u_char host_id; | |
78 | u_char num_hba; /* 0x04 */ | |
79 | u_char num_devices; /* 0x10 */ | |
80 | u_char max_scam_devices; /* 0x04 */ | |
81 | u_char num_valid_scam_devices; /* 0x00 */ | |
82 | u_char flags2; | |
83 | #define SYMBIOS_AVOID_BUS_RESET (1<<2) | |
84 | ||
85 | /* Boot order 14 bytes * 4 */ | |
86 | struct Symbios_host{ | |
87 | u_short type; /* 4:8xx / 0:nok */ | |
88 | u_short device_id; /* PCI device id */ | |
89 | u_short vendor_id; /* PCI vendor id */ | |
90 | u_char bus_nr; /* PCI bus number */ | |
91 | u_char device_fn; /* PCI device/function number << 3*/ | |
92 | u_short word8; | |
93 | u_short flags; | |
94 | #define SYMBIOS_INIT_SCAN_AT_BOOT (1) | |
95 | u_short io_port; /* PCI io_port address */ | |
96 | } host[4]; | |
97 | ||
98 | /* Targets 8 bytes * 16 */ | |
99 | struct Symbios_target { | |
100 | u_char flags; | |
101 | #define SYMBIOS_DISCONNECT_ENABLE (1) | |
102 | #define SYMBIOS_SCAN_AT_BOOT_TIME (1<<1) | |
103 | #define SYMBIOS_SCAN_LUNS (1<<2) | |
104 | #define SYMBIOS_QUEUE_TAGS_ENABLED (1<<3) | |
105 | u_char rsvd; | |
106 | u_char bus_width; /* 0x08/0x10 */ | |
107 | u_char sync_offset; | |
108 | u_short sync_period; /* 4*period factor */ | |
109 | u_short timeout; | |
110 | } target[16]; | |
111 | /* Scam table 8 bytes * 4 */ | |
112 | struct Symbios_scam { | |
113 | u_short id; | |
114 | u_short method; | |
115 | #define SYMBIOS_SCAM_DEFAULT_METHOD (0) | |
116 | #define SYMBIOS_SCAM_DONT_ASSIGN (1) | |
117 | #define SYMBIOS_SCAM_SET_SPECIFIC_ID (2) | |
118 | #define SYMBIOS_SCAM_USE_ORDER_GIVEN (3) | |
119 | u_short status; | |
120 | #define SYMBIOS_SCAM_UNKNOWN (0) | |
121 | #define SYMBIOS_SCAM_DEVICE_NOT_FOUND (1) | |
122 | #define SYMBIOS_SCAM_ID_NOT_SET (2) | |
123 | #define SYMBIOS_SCAM_ID_VALID (3) | |
124 | u_char target_id; | |
125 | u_char rsvd; | |
126 | } scam[4]; | |
127 | ||
128 | u_char spare_devices[15*8]; | |
129 | u_char trailer[6]; /* 0xfe 0xfe 0x00 0x00 0x00 0x00 */ | |
130 | }; | |
131 | typedef struct Symbios_nvram Symbios_nvram; | |
132 | typedef struct Symbios_host Symbios_host; | |
133 | typedef struct Symbios_target Symbios_target; | |
134 | typedef struct Symbios_scam Symbios_scam; | |
135 | ||
136 | /* | |
137 | * Tekram NvRAM data format. | |
138 | */ | |
139 | #define TEKRAM_NVRAM_SIZE 64 | |
140 | #define TEKRAM_93C46_NVRAM_ADDRESS 0 | |
141 | #define TEKRAM_24C16_NVRAM_ADDRESS 0x40 | |
142 | ||
143 | struct Tekram_nvram { | |
144 | struct Tekram_target { | |
145 | u_char flags; | |
146 | #define TEKRAM_PARITY_CHECK (1) | |
147 | #define TEKRAM_SYNC_NEGO (1<<1) | |
148 | #define TEKRAM_DISCONNECT_ENABLE (1<<2) | |
149 | #define TEKRAM_START_CMD (1<<3) | |
150 | #define TEKRAM_TAGGED_COMMANDS (1<<4) | |
151 | #define TEKRAM_WIDE_NEGO (1<<5) | |
152 | u_char sync_index; | |
153 | u_short word2; | |
154 | } target[16]; | |
155 | u_char host_id; | |
156 | u_char flags; | |
157 | #define TEKRAM_MORE_THAN_2_DRIVES (1) | |
158 | #define TEKRAM_DRIVES_SUP_1GB (1<<1) | |
159 | #define TEKRAM_RESET_ON_POWER_ON (1<<2) | |
160 | #define TEKRAM_ACTIVE_NEGATION (1<<3) | |
161 | #define TEKRAM_IMMEDIATE_SEEK (1<<4) | |
162 | #define TEKRAM_SCAN_LUNS (1<<5) | |
163 | #define TEKRAM_REMOVABLE_FLAGS (3<<6) /* 0: disable; */ | |
164 | /* 1: boot device; 2:all */ | |
165 | u_char boot_delay_index; | |
166 | u_char max_tags_index; | |
167 | u_short flags1; | |
168 | #define TEKRAM_F2_F6_ENABLED (1) | |
169 | u_short spare[29]; | |
170 | }; | |
171 | typedef struct Tekram_nvram Tekram_nvram; | |
172 | typedef struct Tekram_target Tekram_target; | |
173 | ||
174 | #ifndef CONFIG_PARISC | |
175 | struct pdc_initiator { int dummy; }; | |
176 | #endif | |
177 | ||
178 | /* | |
179 | * Union of supported NVRAM formats. | |
180 | */ | |
181 | struct sym_nvram { | |
182 | int type; | |
183 | #define SYM_SYMBIOS_NVRAM (1) | |
184 | #define SYM_TEKRAM_NVRAM (2) | |
185 | #define SYM_PARISC_PDC (3) | |
186 | #if SYM_CONF_NVRAM_SUPPORT | |
187 | union { | |
188 | Symbios_nvram Symbios; | |
189 | Tekram_nvram Tekram; | |
190 | struct pdc_initiator parisc; | |
191 | } data; | |
192 | #endif | |
193 | }; | |
194 | ||
195 | #if SYM_CONF_NVRAM_SUPPORT | |
196 | void sym_nvram_setup_host(struct Scsi_Host *shost, struct sym_hcb *np, struct sym_nvram *nvram); | |
b37df489 | 197 | void sym_nvram_setup_target (struct sym_tcb *tp, int target, struct sym_nvram *nvp); |
1da177e4 LT |
198 | int sym_read_nvram (struct sym_device *np, struct sym_nvram *nvp); |
199 | char *sym_nvram_type(struct sym_nvram *nvp); | |
200 | #else | |
201 | static inline void sym_nvram_setup_host(struct Scsi_Host *shost, struct sym_hcb *np, struct sym_nvram *nvram) { } | |
b37df489 | 202 | static inline void sym_nvram_setup_target(struct sym_tcb *tp, struct sym_nvram *nvram) { } |
1da177e4 LT |
203 | static inline int sym_read_nvram(struct sym_device *np, struct sym_nvram *nvp) |
204 | { | |
205 | nvp->type = 0; | |
206 | return 0; | |
207 | } | |
208 | static inline char *sym_nvram_type(struct sym_nvram *nvp) | |
209 | { | |
210 | return "No NVRAM"; | |
211 | } | |
212 | #endif | |
213 | ||
214 | #endif /* SYM_NVRAM_H */ |