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1da177e4 LT |
1 | /* |
2 | * sbp2.h - Defines and prototypes for sbp2.c | |
3 | * | |
4 | * Copyright (C) 2000 James Goodwin, Filanet Corporation (www.filanet.com) | |
5 | * jamesg@filanet.com | |
6 | * | |
7 | * This program is free software; you can redistribute it and/or modify | |
8 | * it under the terms of the GNU General Public License as published by | |
9 | * the Free Software Foundation; either version 2 of the License, or | |
10 | * (at your option) any later version. | |
11 | * | |
12 | * This program is distributed in the hope that it will be useful, | |
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | * GNU General Public License for more details. | |
16 | * | |
17 | * You should have received a copy of the GNU General Public License | |
18 | * along with this program; if not, write to the Free Software Foundation, | |
19 | * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. | |
20 | */ | |
21 | ||
22 | #ifndef SBP2_H | |
23 | #define SBP2_H | |
24 | ||
25 | #define SBP2_DEVICE_NAME "sbp2" | |
26 | ||
27 | /* | |
28 | * SBP2 specific structures and defines | |
29 | */ | |
30 | ||
31 | #define ORB_DIRECTION_WRITE_TO_MEDIA 0x0 | |
32 | #define ORB_DIRECTION_READ_FROM_MEDIA 0x1 | |
33 | #define ORB_DIRECTION_NO_DATA_TRANSFER 0x2 | |
34 | ||
35 | #define ORB_SET_NULL_PTR(value) ((value & 0x1) << 31) | |
36 | #define ORB_SET_NOTIFY(value) ((value & 0x1) << 31) | |
37 | #define ORB_SET_RQ_FMT(value) ((value & 0x3) << 29) /* unused ? */ | |
38 | #define ORB_SET_NODE_ID(value) ((value & 0xffff) << 16) | |
39 | #define ORB_SET_DATA_SIZE(value) (value & 0xffff) | |
40 | #define ORB_SET_PAGE_SIZE(value) ((value & 0x7) << 16) | |
41 | #define ORB_SET_PAGE_TABLE_PRESENT(value) ((value & 0x1) << 19) | |
42 | #define ORB_SET_MAX_PAYLOAD(value) ((value & 0xf) << 20) | |
43 | #define ORB_SET_SPEED(value) ((value & 0x7) << 24) | |
44 | #define ORB_SET_DIRECTION(value) ((value & 0x1) << 27) | |
45 | ||
46 | struct sbp2_command_orb { | |
47 | volatile u32 next_ORB_hi; | |
48 | volatile u32 next_ORB_lo; | |
49 | u32 data_descriptor_hi; | |
50 | u32 data_descriptor_lo; | |
51 | u32 misc; | |
52 | u8 cdb[12]; | |
53 | }; | |
54 | ||
55 | #define SBP2_LOGIN_REQUEST 0x0 | |
56 | #define SBP2_QUERY_LOGINS_REQUEST 0x1 | |
57 | #define SBP2_RECONNECT_REQUEST 0x3 | |
58 | #define SBP2_SET_PASSWORD_REQUEST 0x4 | |
59 | #define SBP2_LOGOUT_REQUEST 0x7 | |
60 | #define SBP2_ABORT_TASK_REQUEST 0xb | |
61 | #define SBP2_ABORT_TASK_SET 0xc | |
62 | #define SBP2_LOGICAL_UNIT_RESET 0xe | |
63 | #define SBP2_TARGET_RESET_REQUEST 0xf | |
64 | ||
65 | #define ORB_SET_LUN(value) (value & 0xffff) | |
66 | #define ORB_SET_FUNCTION(value) ((value & 0xf) << 16) | |
67 | #define ORB_SET_RECONNECT(value) ((value & 0xf) << 20) | |
68 | #define ORB_SET_EXCLUSIVE(value) ((value & 0x1) << 28) | |
69 | #define ORB_SET_LOGIN_RESP_LENGTH(value) (value & 0xffff) | |
70 | #define ORB_SET_PASSWD_LENGTH(value) ((value & 0xffff) << 16) | |
71 | ||
72 | struct sbp2_login_orb { | |
73 | u32 password_hi; | |
74 | u32 password_lo; | |
75 | u32 login_response_hi; | |
76 | u32 login_response_lo; | |
77 | u32 lun_misc; | |
78 | u32 passwd_resp_lengths; | |
79 | u32 status_FIFO_hi; | |
80 | u32 status_FIFO_lo; | |
81 | }; | |
82 | ||
83 | #define RESPONSE_GET_LOGIN_ID(value) (value & 0xffff) | |
84 | #define RESPONSE_GET_LENGTH(value) ((value >> 16) & 0xffff) | |
85 | #define RESPONSE_GET_RECONNECT_HOLD(value) (value & 0xffff) | |
86 | ||
87 | struct sbp2_login_response { | |
88 | u32 length_login_ID; | |
89 | u32 command_block_agent_hi; | |
90 | u32 command_block_agent_lo; | |
91 | u32 reconnect_hold; | |
92 | }; | |
93 | ||
94 | #define ORB_SET_LOGIN_ID(value) (value & 0xffff) | |
95 | ||
96 | #define ORB_SET_QUERY_LOGINS_RESP_LENGTH(value) (value & 0xffff) | |
97 | ||
98 | struct sbp2_query_logins_orb { | |
99 | u32 reserved1; | |
100 | u32 reserved2; | |
101 | u32 query_response_hi; | |
102 | u32 query_response_lo; | |
103 | u32 lun_misc; | |
104 | u32 reserved_resp_length; | |
105 | u32 status_FIFO_hi; | |
106 | u32 status_FIFO_lo; | |
107 | }; | |
108 | ||
109 | #define RESPONSE_GET_MAX_LOGINS(value) (value & 0xffff) | |
110 | #define RESPONSE_GET_ACTIVE_LOGINS(value) ((RESPONSE_GET_LENGTH(value) - 4) / 12) | |
111 | ||
112 | struct sbp2_query_logins_response { | |
113 | u32 length_max_logins; | |
114 | u32 misc_IDs; | |
115 | u32 initiator_misc_hi; | |
116 | u32 initiator_misc_lo; | |
117 | }; | |
118 | ||
119 | struct sbp2_reconnect_orb { | |
120 | u32 reserved1; | |
121 | u32 reserved2; | |
122 | u32 reserved3; | |
123 | u32 reserved4; | |
124 | u32 login_ID_misc; | |
125 | u32 reserved5; | |
126 | u32 status_FIFO_hi; | |
127 | u32 status_FIFO_lo; | |
128 | }; | |
129 | ||
130 | struct sbp2_logout_orb { | |
131 | u32 reserved1; | |
132 | u32 reserved2; | |
133 | u32 reserved3; | |
134 | u32 reserved4; | |
135 | u32 login_ID_misc; | |
136 | u32 reserved5; | |
137 | u32 status_FIFO_hi; | |
138 | u32 status_FIFO_lo; | |
139 | }; | |
140 | ||
141 | #define PAGE_TABLE_SET_SEGMENT_BASE_HI(value) (value & 0xffff) | |
142 | #define PAGE_TABLE_SET_SEGMENT_LENGTH(value) ((value & 0xffff) << 16) | |
143 | ||
144 | struct sbp2_unrestricted_page_table { | |
145 | u32 length_segment_base_hi; | |
146 | u32 segment_base_lo; | |
147 | }; | |
148 | ||
149 | #define RESP_STATUS_REQUEST_COMPLETE 0x0 | |
150 | #define RESP_STATUS_TRANSPORT_FAILURE 0x1 | |
151 | #define RESP_STATUS_ILLEGAL_REQUEST 0x2 | |
152 | #define RESP_STATUS_VENDOR_DEPENDENT 0x3 | |
153 | ||
154 | #define SBP2_STATUS_NO_ADDITIONAL_INFO 0x0 | |
155 | #define SBP2_STATUS_REQ_TYPE_NOT_SUPPORTED 0x1 | |
156 | #define SBP2_STATUS_SPEED_NOT_SUPPORTED 0x2 | |
157 | #define SBP2_STATUS_PAGE_SIZE_NOT_SUPPORTED 0x3 | |
158 | #define SBP2_STATUS_ACCESS_DENIED 0x4 | |
159 | #define SBP2_STATUS_LU_NOT_SUPPORTED 0x5 | |
160 | #define SBP2_STATUS_MAX_PAYLOAD_TOO_SMALL 0x6 | |
161 | #define SBP2_STATUS_RESOURCES_UNAVAILABLE 0x8 | |
162 | #define SBP2_STATUS_FUNCTION_REJECTED 0x9 | |
163 | #define SBP2_STATUS_LOGIN_ID_NOT_RECOGNIZED 0xa | |
164 | #define SBP2_STATUS_DUMMY_ORB_COMPLETED 0xb | |
165 | #define SBP2_STATUS_REQUEST_ABORTED 0xc | |
166 | #define SBP2_STATUS_UNSPECIFIED_ERROR 0xff | |
167 | ||
168 | #define SFMT_CURRENT_ERROR 0x0 | |
169 | #define SFMT_DEFERRED_ERROR 0x1 | |
170 | #define SFMT_VENDOR_DEPENDENT_STATUS 0x3 | |
171 | ||
172 | #define SBP2_SCSI_STATUS_GOOD 0x0 | |
173 | #define SBP2_SCSI_STATUS_CHECK_CONDITION 0x2 | |
174 | #define SBP2_SCSI_STATUS_CONDITION_MET 0x4 | |
175 | #define SBP2_SCSI_STATUS_BUSY 0x8 | |
176 | #define SBP2_SCSI_STATUS_RESERVATION_CONFLICT 0x18 | |
177 | #define SBP2_SCSI_STATUS_COMMAND_TERMINATED 0x22 | |
178 | ||
179 | #define SBP2_SCSI_STATUS_SELECTION_TIMEOUT 0xff | |
180 | ||
181 | #define STATUS_GET_ORB_OFFSET_HI(value) (value & 0xffff) | |
182 | #define STATUS_GET_SBP_STATUS(value) ((value >> 16) & 0xff) | |
183 | #define STATUS_GET_LENGTH(value) ((value >> 24) & 0x7) | |
184 | #define STATUS_GET_DEAD_BIT(value) ((value >> 27) & 0x1) | |
185 | #define STATUS_GET_RESP(value) ((value >> 28) & 0x3) | |
186 | #define STATUS_GET_SRC(value) ((value >> 30) & 0x3) | |
187 | ||
188 | struct sbp2_status_block { | |
189 | u32 ORB_offset_hi_misc; | |
190 | u32 ORB_offset_lo; | |
191 | u8 command_set_dependent[24]; | |
192 | }; | |
193 | ||
194 | /* | |
195 | * Miscellaneous SBP2 related config rom defines | |
196 | */ | |
197 | ||
198 | /* The status fifo address definition below is used as a base for each | |
199 | * node, which a chunk seperately assigned to each unit directory in the | |
200 | * node. For example, 0xfffe00000000ULL is used for the first sbp2 device | |
201 | * detected on node 0, 0xfffe00000020ULL for the next sbp2 device on node | |
202 | * 0, and so on. | |
203 | * | |
204 | * Note: We could use a single status fifo address for all sbp2 devices, | |
205 | * and figure out which sbp2 device the status belongs to by looking at | |
206 | * the source node id of the status write... but, using separate addresses | |
207 | * for each sbp2 unit directory allows for better code and the ability to | |
208 | * support multiple luns within a single 1394 node. | |
209 | * | |
210 | * Also note that we choose the address range below as it is a region | |
211 | * specified for write posting, where the ohci controller will | |
212 | * automatically send an ack_complete when the status is written by the | |
213 | * sbp2 device... saving a split transaction. =) | |
214 | */ | |
215 | #define SBP2_STATUS_FIFO_ADDRESS 0xfffe00000000ULL | |
216 | #define SBP2_STATUS_FIFO_ADDRESS_HI 0xfffe | |
217 | #define SBP2_STATUS_FIFO_ADDRESS_LO 0x0 | |
218 | ||
219 | #define SBP2_STATUS_FIFO_ENTRY_TO_OFFSET(entry) ((entry) << 5) | |
220 | #define SBP2_STATUS_FIFO_OFFSET_TO_ENTRY(offset) ((offset) >> 5) | |
221 | ||
222 | #define SBP2_UNIT_DIRECTORY_OFFSET_KEY 0xd1 | |
223 | #define SBP2_CSR_OFFSET_KEY 0x54 | |
224 | #define SBP2_UNIT_SPEC_ID_KEY 0x12 | |
225 | #define SBP2_UNIT_SW_VERSION_KEY 0x13 | |
226 | #define SBP2_COMMAND_SET_SPEC_ID_KEY 0x38 | |
227 | #define SBP2_COMMAND_SET_KEY 0x39 | |
228 | #define SBP2_UNIT_CHARACTERISTICS_KEY 0x3a | |
229 | #define SBP2_DEVICE_TYPE_AND_LUN_KEY 0x14 | |
230 | #define SBP2_FIRMWARE_REVISION_KEY 0x3c | |
231 | ||
232 | #define SBP2_DEVICE_TYPE(q) (((q) >> 16) & 0x1f) | |
233 | #define SBP2_DEVICE_LUN(q) ((q) & 0xffff) | |
234 | ||
235 | #define SBP2_AGENT_STATE_OFFSET 0x00ULL | |
236 | #define SBP2_AGENT_RESET_OFFSET 0x04ULL | |
237 | #define SBP2_ORB_POINTER_OFFSET 0x08ULL | |
238 | #define SBP2_DOORBELL_OFFSET 0x10ULL | |
239 | #define SBP2_UNSOLICITED_STATUS_ENABLE_OFFSET 0x14ULL | |
240 | #define SBP2_UNSOLICITED_STATUS_VALUE 0xf | |
241 | ||
242 | #define SBP2_BUSY_TIMEOUT_ADDRESS 0xfffff0000210ULL | |
243 | #define SBP2_BUSY_TIMEOUT_VALUE 0xf | |
244 | ||
245 | #define SBP2_AGENT_RESET_DATA 0xf | |
246 | ||
247 | /* | |
248 | * Unit spec id and sw version entry for SBP-2 devices | |
249 | */ | |
250 | ||
251 | #define SBP2_UNIT_SPEC_ID_ENTRY 0x0000609e | |
252 | #define SBP2_SW_VERSION_ENTRY 0x00010483 | |
253 | ||
254 | /* | |
255 | * Other misc defines | |
256 | */ | |
257 | #define SBP2_128KB_BROKEN_FIRMWARE 0xa0b800 | |
258 | ||
259 | #define SBP2_DEVICE_TYPE_LUN_UNINITIALIZED 0xffffffff | |
260 | ||
261 | /* | |
262 | * SCSI specific stuff | |
263 | */ | |
264 | ||
265 | #define SBP2_MAX_SG_ELEMENT_LENGTH 0xf000 | |
266 | #define SBP2_MAX_UDS_PER_NODE 16 /* Maximum scsi devices per node */ | |
267 | #define SBP2_MAX_SECTORS 255 /* Max sectors supported */ | |
268 | ||
1da177e4 LT |
269 | /* |
270 | * SCSI direction table... | |
271 | * (now used as a back-up in case the direction passed down from above is "unknown") | |
272 | * | |
273 | * DIN = IN data direction | |
274 | * DOU = OUT data direction | |
275 | * DNO = No data transfer | |
276 | * DUN = Unknown data direction | |
277 | * | |
278 | * Opcode 0xec (Teac specific "opc execute") possibly should be DNO, | |
279 | * but we'll change it when somebody reports a problem with this. | |
280 | */ | |
281 | #define DIN ORB_DIRECTION_READ_FROM_MEDIA | |
282 | #define DOU ORB_DIRECTION_WRITE_TO_MEDIA | |
283 | #define DNO ORB_DIRECTION_NO_DATA_TRANSFER | |
284 | #define DUN DIN | |
285 | ||
286 | static unchar sbp2scsi_direction_table[0x100] = { | |
287 | DNO,DNO,DIN,DIN,DOU,DIN,DIN,DOU,DIN,DUN,DOU,DOU,DUN,DUN,DUN,DIN, | |
288 | DNO,DIN,DIN,DOU,DIN,DOU,DNO,DNO,DOU,DNO,DIN,DNO,DIN,DOU,DNO,DUN, | |
289 | DIN,DUN,DIN,DIN,DOU,DIN,DUN,DUN,DIN,DIN,DOU,DNO,DUN,DIN,DOU,DOU, | |
290 | DOU,DOU,DOU,DNO,DIN,DNO,DNO,DIN,DOU,DOU,DOU,DOU,DIN,DOU,DIN,DOU, | |
291 | DOU,DOU,DIN,DIN,DIN,DNO,DIN,DNO,DNO,DNO,DUN,DNO,DOU,DIN,DNO,DUN, | |
292 | DUN,DIN,DIN,DNO,DNO,DOU,DUN,DUN,DNO,DIN,DIN,DNO,DIN,DOU,DUN,DUN, | |
293 | DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN, | |
294 | DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN, | |
295 | DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN, | |
296 | DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN, | |
297 | DUN,DNO,DOU,DOU,DIN,DNO,DNO,DNO,DIN,DNO,DOU,DUN,DNO,DIN,DOU,DOU, | |
298 | DOU,DOU,DOU,DNO,DUN,DIN,DOU,DIN,DIN,DIN,DNO,DNO,DNO,DIN,DIN,DUN, | |
299 | DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN, | |
300 | DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN, | |
301 | DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DOU,DUN,DUN,DUN,DUN,DUN, | |
302 | DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN | |
303 | }; | |
304 | ||
305 | /* This should be safe */ | |
306 | #define SBP2_MAX_CMDS 8 | |
307 | ||
308 | /* This is the two dma types we use for cmd_dma below */ | |
309 | enum cmd_dma_types { | |
310 | CMD_DMA_NONE, | |
311 | CMD_DMA_PAGE, | |
312 | CMD_DMA_SINGLE | |
313 | }; | |
314 | ||
315 | /* | |
316 | * Encapsulates all the info necessary for an outstanding command. | |
317 | */ | |
318 | struct sbp2_command_info { | |
319 | ||
320 | struct list_head list; | |
321 | struct sbp2_command_orb command_orb ____cacheline_aligned; | |
322 | dma_addr_t command_orb_dma ____cacheline_aligned; | |
323 | struct scsi_cmnd *Current_SCpnt; | |
324 | void (*Current_done)(struct scsi_cmnd *); | |
325 | ||
326 | /* Also need s/g structure for each sbp2 command */ | |
327 | struct sbp2_unrestricted_page_table scatter_gather_element[SG_ALL] ____cacheline_aligned; | |
328 | dma_addr_t sge_dma ____cacheline_aligned; | |
329 | void *sge_buffer; | |
330 | dma_addr_t cmd_dma; | |
331 | enum cmd_dma_types dma_type; | |
332 | unsigned long dma_size; | |
333 | int dma_dir; | |
334 | ||
335 | }; | |
336 | ||
337 | /* A list of flags for detected oddities and brokeness. */ | |
338 | #define SBP2_BREAKAGE_128K_MAX_TRANSFER 0x1 | |
339 | #define SBP2_BREAKAGE_INQUIRY_HACK 0x2 | |
340 | ||
341 | ||
342 | struct sbp2scsi_host_info; | |
343 | ||
344 | ||
345 | /* | |
346 | * Information needed on a per scsi id basis (one for each sbp2 device) | |
347 | */ | |
348 | struct scsi_id_instance_data { | |
349 | /* | |
350 | * Various sbp2 specific structures | |
351 | */ | |
352 | struct sbp2_command_orb *last_orb; | |
353 | dma_addr_t last_orb_dma; | |
354 | struct sbp2_login_orb *login_orb; | |
355 | dma_addr_t login_orb_dma; | |
356 | struct sbp2_login_response *login_response; | |
357 | dma_addr_t login_response_dma; | |
358 | struct sbp2_query_logins_orb *query_logins_orb; | |
359 | dma_addr_t query_logins_orb_dma; | |
360 | struct sbp2_query_logins_response *query_logins_response; | |
361 | dma_addr_t query_logins_response_dma; | |
362 | struct sbp2_reconnect_orb *reconnect_orb; | |
363 | dma_addr_t reconnect_orb_dma; | |
364 | struct sbp2_logout_orb *logout_orb; | |
365 | dma_addr_t logout_orb_dma; | |
366 | struct sbp2_status_block status_block; | |
367 | ||
368 | /* | |
369 | * Stuff we need to know about the sbp2 device itself | |
370 | */ | |
371 | u64 sbp2_management_agent_addr; | |
372 | u64 sbp2_command_block_agent_addr; | |
373 | u32 speed_code; | |
374 | u32 max_payload_size; | |
375 | ||
376 | /* | |
377 | * Values pulled from the device's unit directory | |
378 | */ | |
379 | u32 sbp2_command_set_spec_id; | |
380 | u32 sbp2_command_set; | |
381 | u32 sbp2_unit_characteristics; | |
382 | u32 sbp2_device_type_and_lun; | |
383 | u32 sbp2_firmware_revision; | |
384 | ||
385 | /* | |
386 | * Variable used for logins, reconnects, logouts, query logins | |
387 | */ | |
388 | atomic_t sbp2_login_complete; | |
389 | ||
390 | /* | |
391 | * Pool of command orbs, so we can have more than overlapped command per id | |
392 | */ | |
393 | spinlock_t sbp2_command_orb_lock; | |
394 | struct list_head sbp2_command_orb_inuse; | |
395 | struct list_head sbp2_command_orb_completed; | |
396 | ||
397 | struct list_head scsi_list; | |
398 | ||
399 | /* Node entry, as retrieved from NodeMgr entries */ | |
400 | struct node_entry *ne; | |
401 | struct unit_directory *ud; | |
402 | ||
403 | /* A backlink to our host_info */ | |
404 | struct sbp2scsi_host_info *hi; | |
405 | ||
406 | /* SCSI related pointers */ | |
407 | struct scsi_device *sdev; | |
408 | struct Scsi_Host *scsi_host; | |
409 | ||
410 | /* Device specific workarounds/brokeness */ | |
411 | u32 workarounds; | |
412 | }; | |
413 | ||
414 | ||
415 | /* Sbp2 host data structure (one per IEEE1394 host) */ | |
416 | struct sbp2scsi_host_info { | |
417 | struct hpsb_host *host; /* IEEE1394 host */ | |
418 | struct list_head scsi_ids; /* List of scsi ids on this host */ | |
419 | }; | |
420 | ||
421 | /* | |
422 | * Function prototypes | |
423 | */ | |
424 | ||
425 | /* | |
426 | * Various utility prototypes | |
427 | */ | |
428 | static int sbp2util_create_command_orb_pool(struct scsi_id_instance_data *scsi_id); | |
429 | static void sbp2util_remove_command_orb_pool(struct scsi_id_instance_data *scsi_id); | |
430 | static struct sbp2_command_info *sbp2util_find_command_for_orb(struct scsi_id_instance_data *scsi_id, dma_addr_t orb); | |
431 | static struct sbp2_command_info *sbp2util_find_command_for_SCpnt(struct scsi_id_instance_data *scsi_id, void *SCpnt); | |
432 | static struct sbp2_command_info *sbp2util_allocate_command_orb(struct scsi_id_instance_data *scsi_id, | |
433 | struct scsi_cmnd *Current_SCpnt, | |
434 | void (*Current_done)(struct scsi_cmnd *)); | |
435 | static void sbp2util_mark_command_completed(struct scsi_id_instance_data *scsi_id, | |
436 | struct sbp2_command_info *command); | |
437 | ||
438 | ||
439 | static int sbp2_start_device(struct scsi_id_instance_data *scsi_id); | |
440 | static void sbp2_remove_device(struct scsi_id_instance_data *scsi_id); | |
441 | ||
442 | #ifdef CONFIG_IEEE1394_SBP2_PHYS_DMA | |
443 | static int sbp2_handle_physdma_write(struct hpsb_host *host, int nodeid, int destid, quadlet_t *data, | |
444 | u64 addr, size_t length, u16 flags); | |
445 | static int sbp2_handle_physdma_read(struct hpsb_host *host, int nodeid, quadlet_t *data, | |
446 | u64 addr, size_t length, u16 flags); | |
447 | #endif | |
448 | ||
449 | /* | |
450 | * SBP-2 protocol related prototypes | |
451 | */ | |
452 | static int sbp2_query_logins(struct scsi_id_instance_data *scsi_id); | |
453 | static int sbp2_login_device(struct scsi_id_instance_data *scsi_id); | |
454 | static int sbp2_reconnect_device(struct scsi_id_instance_data *scsi_id); | |
455 | static int sbp2_logout_device(struct scsi_id_instance_data *scsi_id); | |
456 | static int sbp2_handle_status_write(struct hpsb_host *host, int nodeid, int destid, | |
457 | quadlet_t *data, u64 addr, size_t length, u16 flags); | |
458 | static int sbp2_agent_reset(struct scsi_id_instance_data *scsi_id, int wait); | |
459 | static int sbp2_create_command_orb(struct scsi_id_instance_data *scsi_id, | |
460 | struct sbp2_command_info *command, | |
461 | unchar *scsi_cmd, | |
462 | unsigned int scsi_use_sg, | |
463 | unsigned int scsi_request_bufflen, | |
464 | void *scsi_request_buffer, | |
465 | enum dma_data_direction dma_dir); | |
466 | static int sbp2_link_orb_command(struct scsi_id_instance_data *scsi_id, | |
467 | struct sbp2_command_info *command); | |
468 | static int sbp2_send_command(struct scsi_id_instance_data *scsi_id, | |
469 | struct scsi_cmnd *SCpnt, | |
470 | void (*done)(struct scsi_cmnd *)); | |
471 | static unsigned int sbp2_status_to_sense_data(unchar *sbp2_status, unchar *sense_data); | |
1da177e4 LT |
472 | static void sbp2_check_sbp2_response(struct scsi_id_instance_data *scsi_id, |
473 | struct scsi_cmnd *SCpnt); | |
474 | static void sbp2_parse_unit_directory(struct scsi_id_instance_data *scsi_id, | |
475 | struct unit_directory *ud); | |
476 | static int sbp2_set_busy_timeout(struct scsi_id_instance_data *scsi_id); | |
477 | static int sbp2_max_speed_and_size(struct scsi_id_instance_data *scsi_id); | |
478 | ||
479 | #endif /* SBP2_H */ |