1 /*
2  * I2O user space accessible structures/APIs
3  *
4  * (c) Copyright 1999, 2000 Red Hat Software
5  *
6  * This program is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU General Public License
8  * as published by the Free Software Foundation; either version
9  * 2 of the License, or (at your option) any later version.
10  *
11  *************************************************************************
12  *
13  * This header file defines the I2O APIs that are available to both
14  * the kernel and user level applications.  Kernel specific structures
15  * are defined in i2o_osm. OSMs should include _only_ i2o_osm.h which
16  * automatically includes this file.
17  *
18  */
19 
20 #ifndef _I2O_DEV_H
21 #define _I2O_DEV_H
22 
23 /* How many controllers are we allowing */
24 #define MAX_I2O_CONTROLLERS	32
25 
26 #include <linux/ioctl.h>
27 #include <linux/types.h>
28 
29 /*
30  * I2O Control IOCTLs and structures
31  */
32 #define I2O_MAGIC_NUMBER	'i'
33 #define I2OGETIOPS		_IOR(I2O_MAGIC_NUMBER,0,__u8[MAX_I2O_CONTROLLERS])
34 #define I2OHRTGET		_IOWR(I2O_MAGIC_NUMBER,1,struct i2o_cmd_hrtlct)
35 #define I2OLCTGET		_IOWR(I2O_MAGIC_NUMBER,2,struct i2o_cmd_hrtlct)
36 #define I2OPARMSET		_IOWR(I2O_MAGIC_NUMBER,3,struct i2o_cmd_psetget)
37 #define I2OPARMGET		_IOWR(I2O_MAGIC_NUMBER,4,struct i2o_cmd_psetget)
38 #define I2OSWDL 		_IOWR(I2O_MAGIC_NUMBER,5,struct i2o_sw_xfer)
39 #define I2OSWUL 		_IOWR(I2O_MAGIC_NUMBER,6,struct i2o_sw_xfer)
40 #define I2OSWDEL		_IOWR(I2O_MAGIC_NUMBER,7,struct i2o_sw_xfer)
41 #define I2OVALIDATE		_IOR(I2O_MAGIC_NUMBER,8,__u32)
42 #define I2OHTML 		_IOWR(I2O_MAGIC_NUMBER,9,struct i2o_html)
43 #define I2OEVTREG		_IOW(I2O_MAGIC_NUMBER,10,struct i2o_evt_id)
44 #define I2OEVTGET		_IOR(I2O_MAGIC_NUMBER,11,struct i2o_evt_info)
45 #define I2OPASSTHRU		_IOR(I2O_MAGIC_NUMBER,12,struct i2o_cmd_passthru)
46 #define I2OPASSTHRU32		_IOR(I2O_MAGIC_NUMBER,12,struct i2o_cmd_passthru32)
47 
48 struct i2o_cmd_passthru32 {
49 	unsigned int iop;	/* IOP unit number */
50 	__u32 msg;		/* message */
51 };
52 
53 struct i2o_cmd_passthru {
54 	unsigned int iop;	/* IOP unit number */
55 	void __user *msg;	/* message */
56 };
57 
58 struct i2o_cmd_hrtlct {
59 	unsigned int iop;	/* IOP unit number */
60 	void __user *resbuf;	/* Buffer for result */
61 	unsigned int __user *reslen;	/* Buffer length in bytes */
62 };
63 
64 struct i2o_cmd_psetget {
65 	unsigned int iop;	/* IOP unit number */
66 	unsigned int tid;	/* Target device TID */
67 	void __user *opbuf;	/* Operation List buffer */
68 	unsigned int oplen;	/* Operation List buffer length in bytes */
69 	void __user *resbuf;	/* Result List buffer */
70 	unsigned int __user *reslen;	/* Result List buffer length in bytes */
71 };
72 
73 struct i2o_sw_xfer {
74 	unsigned int iop;	/* IOP unit number */
75 	unsigned char flags;	/* Flags field */
76 	unsigned char sw_type;	/* Software type */
77 	unsigned int sw_id;	/* Software ID */
78 	void __user *buf;	/* Pointer to software buffer */
79 	unsigned int __user *swlen;	/* Length of software data */
80 	unsigned int __user *maxfrag;	/* Maximum fragment count */
81 	unsigned int __user *curfrag;	/* Current fragment count */
82 };
83 
84 struct i2o_html {
85 	unsigned int iop;	/* IOP unit number */
86 	unsigned int tid;	/* Target device ID */
87 	unsigned int page;	/* HTML page */
88 	void __user *resbuf;	/* Buffer for reply HTML page */
89 	unsigned int __user *reslen;	/* Length in bytes of reply buffer */
90 	void __user *qbuf;	/* Pointer to HTTP query string */
91 	unsigned int qlen;	/* Length in bytes of query string buffer */
92 };
93 
94 #define I2O_EVT_Q_LEN 32
95 
96 struct i2o_evt_id {
97 	unsigned int iop;
98 	unsigned int tid;
99 	unsigned int evt_mask;
100 };
101 
102 /* Event data size = frame size - message header + evt indicator */
103 #define I2O_EVT_DATA_SIZE 88
104 
105 struct i2o_evt_info {
106 	struct i2o_evt_id id;
107 	unsigned char evt_data[I2O_EVT_DATA_SIZE];
108 	unsigned int data_size;
109 };
110 
111 struct i2o_evt_get {
112 	struct i2o_evt_info info;
113 	int pending;
114 	int lost;
115 };
116 
117 typedef struct i2o_sg_io_hdr {
118 	unsigned int flags;	/* see I2O_DPT_SG_IO_FLAGS */
119 } i2o_sg_io_hdr_t;
120 
121 /**************************************************************************
122  * HRT related constants and structures
123  **************************************************************************/
124 #define I2O_BUS_LOCAL	0
125 #define I2O_BUS_ISA	1
126 #define I2O_BUS_EISA	2
127 #define I2O_BUS_MCA	3
128 #define I2O_BUS_PCI	4
129 #define I2O_BUS_PCMCIA	5
130 #define I2O_BUS_NUBUS	6
131 #define I2O_BUS_CARDBUS 7
132 #define I2O_BUS_UNKNOWN 0x80
133 
134 typedef struct _i2o_pci_bus {
135 	__u8 PciFunctionNumber;
136 	__u8 PciDeviceNumber;
137 	__u8 PciBusNumber;
138 	__u8 reserved;
139 	__u16 PciVendorID;
140 	__u16 PciDeviceID;
141 } i2o_pci_bus;
142 
143 typedef struct _i2o_local_bus {
144 	__u16 LbBaseIOPort;
145 	__u16 reserved;
146 	__u32 LbBaseMemoryAddress;
147 } i2o_local_bus;
148 
149 typedef struct _i2o_isa_bus {
150 	__u16 IsaBaseIOPort;
151 	__u8 CSN;
152 	__u8 reserved;
153 	__u32 IsaBaseMemoryAddress;
154 } i2o_isa_bus;
155 
156 typedef struct _i2o_eisa_bus_info {
157 	__u16 EisaBaseIOPort;
158 	__u8 reserved;
159 	__u8 EisaSlotNumber;
160 	__u32 EisaBaseMemoryAddress;
161 } i2o_eisa_bus;
162 
163 typedef struct _i2o_mca_bus {
164 	__u16 McaBaseIOPort;
165 	__u8 reserved;
166 	__u8 McaSlotNumber;
167 	__u32 McaBaseMemoryAddress;
168 } i2o_mca_bus;
169 
170 typedef struct _i2o_other_bus {
171 	__u16 BaseIOPort;
172 	__u16 reserved;
173 	__u32 BaseMemoryAddress;
174 } i2o_other_bus;
175 
176 typedef struct _i2o_hrt_entry {
177 	__u32 adapter_id;
178 	__u32 parent_tid:12;
179 	__u32 state:4;
180 	__u32 bus_num:8;
181 	__u32 bus_type:8;
182 	union {
183 		i2o_pci_bus pci_bus;
184 		i2o_local_bus local_bus;
185 		i2o_isa_bus isa_bus;
186 		i2o_eisa_bus eisa_bus;
187 		i2o_mca_bus mca_bus;
188 		i2o_other_bus other_bus;
189 	} bus;
190 } i2o_hrt_entry;
191 
192 typedef struct _i2o_hrt {
193 	__u16 num_entries;
194 	__u8 entry_len;
195 	__u8 hrt_version;
196 	__u32 change_ind;
197 	i2o_hrt_entry hrt_entry[1];
198 } i2o_hrt;
199 
200 typedef struct _i2o_lct_entry {
201 	__u32 entry_size:16;
202 	__u32 tid:12;
203 	__u32 reserved:4;
204 	__u32 change_ind;
205 	__u32 device_flags;
206 	__u32 class_id:12;
207 	__u32 version:4;
208 	__u32 vendor_id:16;
209 	__u32 sub_class;
210 	__u32 user_tid:12;
211 	__u32 parent_tid:12;
212 	__u32 bios_info:8;
213 	__u8 identity_tag[8];
214 	__u32 event_capabilities;
215 } i2o_lct_entry;
216 
217 typedef struct _i2o_lct {
218 	__u32 table_size:16;
219 	__u32 boot_tid:12;
220 	__u32 lct_ver:4;
221 	__u32 iop_flags;
222 	__u32 change_ind;
223 	i2o_lct_entry lct_entry[1];
224 } i2o_lct;
225 
226 typedef struct _i2o_status_block {
227 	__u16 org_id;
228 	__u16 reserved;
229 	__u16 iop_id:12;
230 	__u16 reserved1:4;
231 	__u16 host_unit_id;
232 	__u16 segment_number:12;
233 	__u16 i2o_version:4;
234 	__u8 iop_state;
235 	__u8 msg_type;
236 	__u16 inbound_frame_size;
237 	__u8 init_code;
238 	__u8 reserved2;
239 	__u32 max_inbound_frames;
240 	__u32 cur_inbound_frames;
241 	__u32 max_outbound_frames;
242 	char product_id[24];
243 	__u32 expected_lct_size;
244 	__u32 iop_capabilities;
245 	__u32 desired_mem_size;
246 	__u32 current_mem_size;
247 	__u32 current_mem_base;
248 	__u32 desired_io_size;
249 	__u32 current_io_size;
250 	__u32 current_io_base;
251 	__u32 reserved3:24;
252 	__u32 cmd_status:8;
253 } i2o_status_block;
254 
255 /* Event indicator mask flags */
256 #define I2O_EVT_IND_STATE_CHANGE		0x80000000
257 #define I2O_EVT_IND_GENERAL_WARNING		0x40000000
258 #define I2O_EVT_IND_CONFIGURATION_FLAG		0x20000000
259 #define I2O_EVT_IND_LOCK_RELEASE		0x10000000
260 #define I2O_EVT_IND_CAPABILITY_CHANGE		0x08000000
261 #define I2O_EVT_IND_DEVICE_RESET		0x04000000
262 #define I2O_EVT_IND_EVT_MASK_MODIFIED		0x02000000
263 #define I2O_EVT_IND_FIELD_MODIFIED		0x01000000
264 #define I2O_EVT_IND_VENDOR_EVT			0x00800000
265 #define I2O_EVT_IND_DEVICE_STATE		0x00400000
266 
267 /* Executive event indicitors */
268 #define I2O_EVT_IND_EXEC_RESOURCE_LIMITS	0x00000001
269 #define I2O_EVT_IND_EXEC_CONNECTION_FAIL	0x00000002
270 #define I2O_EVT_IND_EXEC_ADAPTER_FAULT		0x00000004
271 #define I2O_EVT_IND_EXEC_POWER_FAIL		0x00000008
272 #define I2O_EVT_IND_EXEC_RESET_PENDING		0x00000010
273 #define I2O_EVT_IND_EXEC_RESET_IMMINENT 	0x00000020
274 #define I2O_EVT_IND_EXEC_HW_FAIL		0x00000040
275 #define I2O_EVT_IND_EXEC_XCT_CHANGE		0x00000080
276 #define I2O_EVT_IND_EXEC_NEW_LCT_ENTRY		0x00000100
277 #define I2O_EVT_IND_EXEC_MODIFIED_LCT		0x00000200
278 #define I2O_EVT_IND_EXEC_DDM_AVAILABILITY	0x00000400
279 
280 /* Random Block Storage Event Indicators */
281 #define I2O_EVT_IND_BSA_VOLUME_LOAD		0x00000001
282 #define I2O_EVT_IND_BSA_VOLUME_UNLOAD		0x00000002
283 #define I2O_EVT_IND_BSA_VOLUME_UNLOAD_REQ	0x00000004
284 #define I2O_EVT_IND_BSA_CAPACITY_CHANGE 	0x00000008
285 #define I2O_EVT_IND_BSA_SCSI_SMART		0x00000010
286 
287 /* Event data for generic events */
288 #define I2O_EVT_STATE_CHANGE_NORMAL		0x00
289 #define I2O_EVT_STATE_CHANGE_SUSPENDED		0x01
290 #define I2O_EVT_STATE_CHANGE_RESTART		0x02
291 #define I2O_EVT_STATE_CHANGE_NA_RECOVER 	0x03
292 #define I2O_EVT_STATE_CHANGE_NA_NO_RECOVER	0x04
293 #define I2O_EVT_STATE_CHANGE_QUIESCE_REQUEST	0x05
294 #define I2O_EVT_STATE_CHANGE_FAILED		0x10
295 #define I2O_EVT_STATE_CHANGE_FAULTED		0x11
296 
297 #define I2O_EVT_GEN_WARNING_NORMAL		0x00
298 #define I2O_EVT_GEN_WARNING_ERROR_THRESHOLD	0x01
299 #define I2O_EVT_GEN_WARNING_MEDIA_FAULT 	0x02
300 
301 #define I2O_EVT_CAPABILITY_OTHER		0x01
302 #define I2O_EVT_CAPABILITY_CHANGED		0x02
303 
304 #define I2O_EVT_SENSOR_STATE_CHANGED		0x01
305 
306 /*
307  *	I2O classes / subclasses
308  */
309 
310 /*  Class ID and Code Assignments
311  *  (LCT.ClassID.Version field)
312  */
313 #define I2O_CLASS_VERSION_10			0x00
314 #define I2O_CLASS_VERSION_11			0x01
315 
316 /*  Class code names
317  *  (from v1.5 Table 6-1 Class Code Assignments.)
318  */
319 
320 #define I2O_CLASS_EXECUTIVE			0x000
321 #define I2O_CLASS_DDM				0x001
322 #define I2O_CLASS_RANDOM_BLOCK_STORAGE		0x010
323 #define I2O_CLASS_SEQUENTIAL_STORAGE		0x011
324 #define I2O_CLASS_LAN				0x020
325 #define I2O_CLASS_WAN				0x030
326 #define I2O_CLASS_FIBRE_CHANNEL_PORT		0x040
327 #define I2O_CLASS_FIBRE_CHANNEL_PERIPHERAL	0x041
328 #define I2O_CLASS_SCSI_PERIPHERAL		0x051
329 #define I2O_CLASS_ATE_PORT			0x060
330 #define I2O_CLASS_ATE_PERIPHERAL		0x061
331 #define I2O_CLASS_FLOPPY_CONTROLLER		0x070
332 #define I2O_CLASS_FLOPPY_DEVICE 		0x071
333 #define I2O_CLASS_BUS_ADAPTER			0x080
334 #define I2O_CLASS_PEER_TRANSPORT_AGENT		0x090
335 #define I2O_CLASS_PEER_TRANSPORT		0x091
336 #define	I2O_CLASS_END				0xfff
337 
338 /*
339  *  Rest of 0x092 - 0x09f reserved for peer-to-peer classes
340  */
341 
342 #define I2O_CLASS_MATCH_ANYCLASS		0xffffffff
343 
344 /*
345  *  Subclasses
346  */
347 
348 #define I2O_SUBCLASS_i960			0x001
349 #define I2O_SUBCLASS_HDM			0x020
350 #define I2O_SUBCLASS_ISM			0x021
351 
352 /* Operation functions */
353 
354 #define I2O_PARAMS_FIELD_GET			0x0001
355 #define I2O_PARAMS_LIST_GET			0x0002
356 #define I2O_PARAMS_MORE_GET			0x0003
357 #define I2O_PARAMS_SIZE_GET			0x0004
358 #define I2O_PARAMS_TABLE_GET			0x0005
359 #define I2O_PARAMS_FIELD_SET			0x0006
360 #define I2O_PARAMS_LIST_SET			0x0007
361 #define I2O_PARAMS_ROW_ADD			0x0008
362 #define I2O_PARAMS_ROW_DELETE			0x0009
363 #define I2O_PARAMS_TABLE_CLEAR			0x000A
364 
365 /*
366  * I2O serial number conventions / formats
367  * (circa v1.5)
368  */
369 
370 #define I2O_SNFORMAT_UNKNOWN			0
371 #define I2O_SNFORMAT_BINARY			1
372 #define I2O_SNFORMAT_ASCII			2
373 #define I2O_SNFORMAT_UNICODE			3
374 #define I2O_SNFORMAT_LAN48_MAC			4
375 #define I2O_SNFORMAT_WAN			5
376 
377 /*
378  * Plus new in v2.0 (Yellowstone pdf doc)
379  */
380 
381 #define I2O_SNFORMAT_LAN64_MAC			6
382 #define I2O_SNFORMAT_DDM			7
383 #define I2O_SNFORMAT_IEEE_REG64 		8
384 #define I2O_SNFORMAT_IEEE_REG128		9
385 #define I2O_SNFORMAT_UNKNOWN2			0xff
386 
387 /*
388  *	I2O Get Status State values
389  */
390 
391 #define ADAPTER_STATE_INITIALIZING		0x01
392 #define ADAPTER_STATE_RESET			0x02
393 #define ADAPTER_STATE_HOLD			0x04
394 #define ADAPTER_STATE_READY			0x05
395 #define ADAPTER_STATE_OPERATIONAL		0x08
396 #define ADAPTER_STATE_FAILED			0x10
397 #define ADAPTER_STATE_FAULTED			0x11
398 
399 /*
400  *	Software module types
401  */
402 #define I2O_SOFTWARE_MODULE_IRTOS		0x11
403 #define I2O_SOFTWARE_MODULE_IOP_PRIVATE		0x22
404 #define I2O_SOFTWARE_MODULE_IOP_CONFIG		0x23
405 
406 /*
407  *	Vendors
408  */
409 #define I2O_VENDOR_DPT				0x001b
410 
411 /*
412  * DPT / Adaptec specific values for i2o_sg_io_hdr flags.
413  */
414 #define I2O_DPT_SG_FLAG_INTERPRET		0x00010000
415 #define I2O_DPT_SG_FLAG_PHYSICAL		0x00020000
416 
417 #define I2O_DPT_FLASH_FRAG_SIZE			0x10000
418 #define I2O_DPT_FLASH_READ			0x0101
419 #define I2O_DPT_FLASH_WRITE			0x0102
420 
421 #endif				/* _I2O_DEV_H */
422