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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
51struct 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};
131typedef struct Symbios_nvram Symbios_nvram;
132typedef struct Symbios_host Symbios_host;
133typedef struct Symbios_target Symbios_target;
134typedef 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
143struct 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};
171typedef struct Tekram_nvram Tekram_nvram;
172typedef struct Tekram_target Tekram_target;
173
174#ifndef CONFIG_PARISC
175struct pdc_initiator { int dummy; };
176#endif
177
178/*
179 * Union of supported NVRAM formats.
180 */
181struct 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
196void sym_nvram_setup_host(struct Scsi_Host *shost, struct sym_hcb *np, struct sym_nvram *nvram);
197void sym_nvram_setup_target (struct sym_tcb *tp, int target, struct sym_nvram *nvp);
198int sym_read_nvram (struct sym_device *np, struct sym_nvram *nvp);
199char *sym_nvram_type(struct sym_nvram *nvp);
200#else
201static inline void sym_nvram_setup_host(struct Scsi_Host *shost, struct sym_hcb *np, struct sym_nvram *nvram) { }
202static inline void sym_nvram_setup_target(struct sym_tcb *tp, struct sym_nvram *nvram) { }
203static inline int sym_read_nvram(struct sym_device *np, struct sym_nvram *nvp)
204{
205 nvp->type = 0;
206 return 0;
207}
208static inline char *sym_nvram_type(struct sym_nvram *nvp)
209{
210 return "No NVRAM";
211}
212#endif
213
214#endif /* SYM_NVRAM_H */
1/* SPDX-License-Identifier: GPL-2.0-or-later */
2/*
3 * Device driver for the SYMBIOS/LSILOGIC 53C8XX and 53C1010 family
4 * of PCI-SCSI IO processors.
5 *
6 * Copyright (C) 1999-2001 Gerard Roudier <groudier@free.fr>
7 *
8 * This driver is derived from the Linux sym53c8xx driver.
9 * Copyright (C) 1998-2000 Gerard Roudier
10 *
11 * The sym53c8xx driver is derived from the ncr53c8xx driver that had been
12 * a port of the FreeBSD ncr driver to Linux-1.2.13.
13 *
14 * The original ncr driver has been written for 386bsd and FreeBSD by
15 * Wolfgang Stanglmeier <wolf@cologne.de>
16 * Stefan Esser <se@mi.Uni-Koeln.de>
17 * Copyright (C) 1994 Wolfgang Stanglmeier
18 *
19 * Other major contributions:
20 *
21 * NVRAM detection and reading.
22 * Copyright (C) 1997 Richard Waltham <dormouse@farsrobt.demon.co.uk>
23 *
24 *-----------------------------------------------------------------------------
25 */
26
27#ifndef SYM_NVRAM_H
28#define SYM_NVRAM_H
29
30#include "sym53c8xx.h"
31
32/*
33 * Symbios NVRAM data format
34 */
35#define SYMBIOS_NVRAM_SIZE 368
36#define SYMBIOS_NVRAM_ADDRESS 0x100
37
38struct Symbios_nvram {
39/* Header 6 bytes */
40 u_short type; /* 0x0000 */
41 u_short byte_count; /* excluding header/trailer */
42 u_short checksum;
43
44/* Controller set up 20 bytes */
45 u_char v_major; /* 0x00 */
46 u_char v_minor; /* 0x30 */
47 u32 boot_crc;
48 u_short flags;
49#define SYMBIOS_SCAM_ENABLE (1)
50#define SYMBIOS_PARITY_ENABLE (1<<1)
51#define SYMBIOS_VERBOSE_MSGS (1<<2)
52#define SYMBIOS_CHS_MAPPING (1<<3)
53#define SYMBIOS_NO_NVRAM (1<<3) /* ??? */
54 u_short flags1;
55#define SYMBIOS_SCAN_HI_LO (1)
56 u_short term_state;
57#define SYMBIOS_TERM_CANT_PROGRAM (0)
58#define SYMBIOS_TERM_ENABLED (1)
59#define SYMBIOS_TERM_DISABLED (2)
60 u_short rmvbl_flags;
61#define SYMBIOS_RMVBL_NO_SUPPORT (0)
62#define SYMBIOS_RMVBL_BOOT_DEVICE (1)
63#define SYMBIOS_RMVBL_MEDIA_INSTALLED (2)
64 u_char host_id;
65 u_char num_hba; /* 0x04 */
66 u_char num_devices; /* 0x10 */
67 u_char max_scam_devices; /* 0x04 */
68 u_char num_valid_scam_devices; /* 0x00 */
69 u_char flags2;
70#define SYMBIOS_AVOID_BUS_RESET (1<<2)
71
72/* Boot order 14 bytes * 4 */
73 struct Symbios_host{
74 u_short type; /* 4:8xx / 0:nok */
75 u_short device_id; /* PCI device id */
76 u_short vendor_id; /* PCI vendor id */
77 u_char bus_nr; /* PCI bus number */
78 u_char device_fn; /* PCI device/function number << 3*/
79 u_short word8;
80 u_short flags;
81#define SYMBIOS_INIT_SCAN_AT_BOOT (1)
82 u_short io_port; /* PCI io_port address */
83 } host[4];
84
85/* Targets 8 bytes * 16 */
86 struct Symbios_target {
87 u_char flags;
88#define SYMBIOS_DISCONNECT_ENABLE (1)
89#define SYMBIOS_SCAN_AT_BOOT_TIME (1<<1)
90#define SYMBIOS_SCAN_LUNS (1<<2)
91#define SYMBIOS_QUEUE_TAGS_ENABLED (1<<3)
92 u_char rsvd;
93 u_char bus_width; /* 0x08/0x10 */
94 u_char sync_offset;
95 u_short sync_period; /* 4*period factor */
96 u_short timeout;
97 } target[16];
98/* Scam table 8 bytes * 4 */
99 struct Symbios_scam {
100 u_short id;
101 u_short method;
102#define SYMBIOS_SCAM_DEFAULT_METHOD (0)
103#define SYMBIOS_SCAM_DONT_ASSIGN (1)
104#define SYMBIOS_SCAM_SET_SPECIFIC_ID (2)
105#define SYMBIOS_SCAM_USE_ORDER_GIVEN (3)
106 u_short status;
107#define SYMBIOS_SCAM_UNKNOWN (0)
108#define SYMBIOS_SCAM_DEVICE_NOT_FOUND (1)
109#define SYMBIOS_SCAM_ID_NOT_SET (2)
110#define SYMBIOS_SCAM_ID_VALID (3)
111 u_char target_id;
112 u_char rsvd;
113 } scam[4];
114
115 u_char spare_devices[15*8];
116 u_char trailer[6]; /* 0xfe 0xfe 0x00 0x00 0x00 0x00 */
117};
118typedef struct Symbios_nvram Symbios_nvram;
119typedef struct Symbios_host Symbios_host;
120typedef struct Symbios_target Symbios_target;
121typedef struct Symbios_scam Symbios_scam;
122
123/*
124 * Tekram NvRAM data format.
125 */
126#define TEKRAM_NVRAM_SIZE 64
127#define TEKRAM_93C46_NVRAM_ADDRESS 0
128#define TEKRAM_24C16_NVRAM_ADDRESS 0x40
129
130struct Tekram_nvram {
131 struct Tekram_target {
132 u_char flags;
133#define TEKRAM_PARITY_CHECK (1)
134#define TEKRAM_SYNC_NEGO (1<<1)
135#define TEKRAM_DISCONNECT_ENABLE (1<<2)
136#define TEKRAM_START_CMD (1<<3)
137#define TEKRAM_TAGGED_COMMANDS (1<<4)
138#define TEKRAM_WIDE_NEGO (1<<5)
139 u_char sync_index;
140 u_short word2;
141 } target[16];
142 u_char host_id;
143 u_char flags;
144#define TEKRAM_MORE_THAN_2_DRIVES (1)
145#define TEKRAM_DRIVES_SUP_1GB (1<<1)
146#define TEKRAM_RESET_ON_POWER_ON (1<<2)
147#define TEKRAM_ACTIVE_NEGATION (1<<3)
148#define TEKRAM_IMMEDIATE_SEEK (1<<4)
149#define TEKRAM_SCAN_LUNS (1<<5)
150#define TEKRAM_REMOVABLE_FLAGS (3<<6) /* 0: disable; */
151 /* 1: boot device; 2:all */
152 u_char boot_delay_index;
153 u_char max_tags_index;
154 u_short flags1;
155#define TEKRAM_F2_F6_ENABLED (1)
156 u_short spare[29];
157};
158typedef struct Tekram_nvram Tekram_nvram;
159typedef struct Tekram_target Tekram_target;
160
161#ifndef CONFIG_PARISC
162struct pdc_initiator { int dummy; };
163#endif
164
165/*
166 * Union of supported NVRAM formats.
167 */
168struct sym_nvram {
169 int type;
170#define SYM_SYMBIOS_NVRAM (1)
171#define SYM_TEKRAM_NVRAM (2)
172#define SYM_PARISC_PDC (3)
173#if SYM_CONF_NVRAM_SUPPORT
174 union {
175 Symbios_nvram Symbios;
176 Tekram_nvram Tekram;
177 struct pdc_initiator parisc;
178 } data;
179#endif
180};
181
182#if SYM_CONF_NVRAM_SUPPORT
183void sym_nvram_setup_host(struct Scsi_Host *shost, struct sym_hcb *np, struct sym_nvram *nvram);
184void sym_nvram_setup_target (struct sym_tcb *tp, int target, struct sym_nvram *nvp);
185int sym_read_nvram (struct sym_device *np, struct sym_nvram *nvp);
186char *sym_nvram_type(struct sym_nvram *nvp);
187#else
188static inline void sym_nvram_setup_host(struct Scsi_Host *shost, struct sym_hcb *np, struct sym_nvram *nvram) { }
189static inline void sym_nvram_setup_target(struct sym_tcb *tp, struct sym_nvram *nvram) { }
190static inline int sym_read_nvram(struct sym_device *np, struct sym_nvram *nvp)
191{
192 nvp->type = 0;
193 return 0;
194}
195static inline char *sym_nvram_type(struct sym_nvram *nvp)
196{
197 return "No NVRAM";
198}
199#endif
200
201#endif /* SYM_NVRAM_H */