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Swen Schillig41fa2ad2007-09-07 09:15:31 +02001/*
Christof Schmitt553448f2008-06-10 18:20:58 +02002 * zfcp device driver
Linus Torvalds1da177e2005-04-16 15:20:36 -07003 *
Christof Schmitt553448f2008-06-10 18:20:58 +02004 * Interface to the FSF support functions.
Swen Schillig41fa2ad2007-09-07 09:15:31 +02005 *
Christof Schmitt1674b402010-04-30 18:09:34 +02006 * Copyright IBM Corporation 2002, 2010
Linus Torvalds1da177e2005-04-16 15:20:36 -07007 */
8
9#ifndef FSF_H
10#define FSF_H
11
Christof Schmitt45633fd2008-06-10 18:20:55 +020012#include <linux/pfn.h>
Christof Schmittd46f3842009-08-18 15:43:07 +020013#include <linux/scatterlist.h>
Christof Schmitt800c0ca2009-11-24 16:54:12 +010014#include <scsi/libfc.h>
Christof Schmitt45633fd2008-06-10 18:20:55 +020015
Andreas Herrmann06506d02006-05-22 18:18:19 +020016#define FSF_QTCB_CURRENT_VERSION 0x00000001
Linus Torvalds1da177e2005-04-16 15:20:36 -070017
18/* FSF commands */
19#define FSF_QTCB_FCP_CMND 0x00000001
20#define FSF_QTCB_ABORT_FCP_CMND 0x00000002
21#define FSF_QTCB_OPEN_PORT_WITH_DID 0x00000005
22#define FSF_QTCB_OPEN_LUN 0x00000006
23#define FSF_QTCB_CLOSE_LUN 0x00000007
24#define FSF_QTCB_CLOSE_PORT 0x00000008
25#define FSF_QTCB_CLOSE_PHYSICAL_PORT 0x00000009
26#define FSF_QTCB_SEND_ELS 0x0000000B
27#define FSF_QTCB_SEND_GENERIC 0x0000000C
28#define FSF_QTCB_EXCHANGE_CONFIG_DATA 0x0000000D
29#define FSF_QTCB_EXCHANGE_PORT_DATA 0x0000000E
30#define FSF_QTCB_DOWNLOAD_CONTROL_FILE 0x00000012
31#define FSF_QTCB_UPLOAD_CONTROL_FILE 0x00000013
32
33/* FSF QTCB types */
34#define FSF_IO_COMMAND 0x00000001
35#define FSF_SUPPORT_COMMAND 0x00000002
36#define FSF_CONFIG_COMMAND 0x00000003
37#define FSF_PORT_COMMAND 0x00000004
38
39/* FSF control file upload/download operations' subtype and options */
40#define FSF_CFDC_OPERATION_SUBTYPE 0x00020001
41#define FSF_CFDC_OPTION_NORMAL_MODE 0x00000000
42#define FSF_CFDC_OPTION_FORCE 0x00000001
43#define FSF_CFDC_OPTION_FULL_ACCESS 0x00000002
44#define FSF_CFDC_OPTION_RESTRICTED_ACCESS 0x00000004
45
Andreas Herrmann06506d02006-05-22 18:18:19 +020046/* FSF protocol states */
Linus Torvalds1da177e2005-04-16 15:20:36 -070047#define FSF_PROT_GOOD 0x00000001
48#define FSF_PROT_QTCB_VERSION_ERROR 0x00000010
49#define FSF_PROT_SEQ_NUMB_ERROR 0x00000020
50#define FSF_PROT_UNSUPP_QTCB_TYPE 0x00000040
51#define FSF_PROT_HOST_CONNECTION_INITIALIZING 0x00000080
52#define FSF_PROT_FSF_STATUS_PRESENTED 0x00000100
53#define FSF_PROT_DUPLICATE_REQUEST_ID 0x00000200
54#define FSF_PROT_LINK_DOWN 0x00000400
55#define FSF_PROT_REEST_QUEUE 0x00000800
56#define FSF_PROT_ERROR_STATE 0x01000000
57
Andreas Herrmann06506d02006-05-22 18:18:19 +020058/* FSF states */
Linus Torvalds1da177e2005-04-16 15:20:36 -070059#define FSF_GOOD 0x00000000
60#define FSF_PORT_ALREADY_OPEN 0x00000001
61#define FSF_LUN_ALREADY_OPEN 0x00000002
62#define FSF_PORT_HANDLE_NOT_VALID 0x00000003
63#define FSF_LUN_HANDLE_NOT_VALID 0x00000004
64#define FSF_HANDLE_MISMATCH 0x00000005
65#define FSF_SERVICE_CLASS_NOT_SUPPORTED 0x00000006
66#define FSF_FCPLUN_NOT_VALID 0x00000009
67#define FSF_ACCESS_DENIED 0x00000010
68#define FSF_LUN_SHARING_VIOLATION 0x00000012
69#define FSF_FCP_COMMAND_DOES_NOT_EXIST 0x00000022
70#define FSF_DIRECTION_INDICATOR_NOT_VALID 0x00000030
71#define FSF_CMND_LENGTH_NOT_VALID 0x00000033
72#define FSF_MAXIMUM_NUMBER_OF_PORTS_EXCEEDED 0x00000040
73#define FSF_MAXIMUM_NUMBER_OF_LUNS_EXCEEDED 0x00000041
74#define FSF_ELS_COMMAND_REJECTED 0x00000050
75#define FSF_GENERIC_COMMAND_REJECTED 0x00000051
Linus Torvalds1da177e2005-04-16 15:20:36 -070076#define FSF_PORT_BOXED 0x00000059
77#define FSF_LUN_BOXED 0x0000005A
78#define FSF_EXCHANGE_CONFIG_DATA_INCOMPLETE 0x0000005B
79#define FSF_PAYLOAD_SIZE_MISMATCH 0x00000060
80#define FSF_REQUEST_SIZE_TOO_LARGE 0x00000061
81#define FSF_RESPONSE_SIZE_TOO_LARGE 0x00000062
82#define FSF_SBAL_MISMATCH 0x00000063
Linus Torvalds1da177e2005-04-16 15:20:36 -070083#define FSF_ADAPTER_STATUS_AVAILABLE 0x000000AD
Linus Torvalds1da177e2005-04-16 15:20:36 -070084#define FSF_UNKNOWN_COMMAND 0x000000E2
85#define FSF_UNKNOWN_OP_SUBTYPE 0x000000E3
86#define FSF_INVALID_COMMAND_OPTION 0x000000E5
87/* #define FSF_ERROR 0x000000FF */
88
Maxim Shchetynin8a36e452005-09-13 21:50:38 +020089#define FSF_PROT_STATUS_QUAL_SIZE 16
Linus Torvalds1da177e2005-04-16 15:20:36 -070090#define FSF_STATUS_QUALIFIER_SIZE 16
91
92/* FSF status qualifier, recommendations */
93#define FSF_SQ_NO_RECOM 0x00
94#define FSF_SQ_FCP_RSP_AVAILABLE 0x01
95#define FSF_SQ_RETRY_IF_POSSIBLE 0x02
96#define FSF_SQ_ULP_DEPENDENT_ERP_REQUIRED 0x03
97#define FSF_SQ_INVOKE_LINK_TEST_PROCEDURE 0x04
Linus Torvalds1da177e2005-04-16 15:20:36 -070098#define FSF_SQ_COMMAND_ABORTED 0x06
99#define FSF_SQ_NO_RETRY_POSSIBLE 0x07
100
Linus Torvalds1da177e2005-04-16 15:20:36 -0700101/* FSF status qualifier (most significant 4 bytes), local link down */
Maxim Shchetyninaef4a982005-09-13 21:51:16 +0200102#define FSF_PSQ_LINK_NO_LIGHT 0x00000004
103#define FSF_PSQ_LINK_WRAP_PLUG 0x00000008
104#define FSF_PSQ_LINK_NO_FCP 0x00000010
105#define FSF_PSQ_LINK_FIRMWARE_UPDATE 0x00000020
106#define FSF_PSQ_LINK_INVALID_WWPN 0x00000100
107#define FSF_PSQ_LINK_NO_NPIV_SUPPORT 0x00000200
108#define FSF_PSQ_LINK_NO_FCP_RESOURCES 0x00000400
109#define FSF_PSQ_LINK_NO_FABRIC_RESOURCES 0x00000800
110#define FSF_PSQ_LINK_FABRIC_LOGIN_UNABLE 0x00001000
111#define FSF_PSQ_LINK_WWPN_ASSIGNMENT_CORRUPTED 0x00002000
112#define FSF_PSQ_LINK_MODE_TABLE_CURRUPTED 0x00004000
113#define FSF_PSQ_LINK_NO_WWPN_ASSIGNMENT 0x00008000
Linus Torvalds1da177e2005-04-16 15:20:36 -0700114
115/* payload size in status read buffer */
116#define FSF_STATUS_READ_PAYLOAD_SIZE 4032
117
118/* number of status read buffers that should be sent by ULP */
119#define FSF_STATUS_READS_RECOM 16
120
121/* status types in status read buffer */
122#define FSF_STATUS_READ_PORT_CLOSED 0x00000001
123#define FSF_STATUS_READ_INCOMING_ELS 0x00000002
124#define FSF_STATUS_READ_SENSE_DATA_AVAIL 0x00000003
125#define FSF_STATUS_READ_BIT_ERROR_THRESHOLD 0x00000004
Maxim Shchetyninaef4a982005-09-13 21:51:16 +0200126#define FSF_STATUS_READ_LINK_DOWN 0x00000005
Linus Torvalds1da177e2005-04-16 15:20:36 -0700127#define FSF_STATUS_READ_LINK_UP 0x00000006
Maxim Shchetynin9eb69af2006-01-05 09:56:47 +0100128#define FSF_STATUS_READ_NOTIFICATION_LOST 0x00000009
Linus Torvalds1da177e2005-04-16 15:20:36 -0700129#define FSF_STATUS_READ_CFDC_UPDATED 0x0000000A
Maxim Shchetyninaef4a982005-09-13 21:51:16 +0200130#define FSF_STATUS_READ_FEATURE_UPDATE_ALERT 0x0000000C
Linus Torvalds1da177e2005-04-16 15:20:36 -0700131
Maxim Shchetyninaef4a982005-09-13 21:51:16 +0200132/* status subtypes for link down */
133#define FSF_STATUS_READ_SUB_NO_PHYSICAL_LINK 0x00000000
134#define FSF_STATUS_READ_SUB_FDISC_FAILED 0x00000001
135#define FSF_STATUS_READ_SUB_FIRMWARE_UPDATE 0x00000002
136
Maxim Shchetynin9eb69af2006-01-05 09:56:47 +0100137/* status subtypes for unsolicited status notification lost */
138#define FSF_STATUS_READ_SUB_INCOMING_ELS 0x00000001
Maxim Shchetynin9eb69af2006-01-05 09:56:47 +0100139#define FSF_STATUS_READ_SUB_ACT_UPDATED 0x00000020
Linus Torvalds1da177e2005-04-16 15:20:36 -0700140
141/* topologie that is detected by the adapter */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700142#define FSF_TOPO_P2P 0x00000001
143#define FSF_TOPO_FABRIC 0x00000002
144#define FSF_TOPO_AL 0x00000003
Linus Torvalds1da177e2005-04-16 15:20:36 -0700145
146/* data direction for FCP commands */
147#define FSF_DATADIR_WRITE 0x00000001
148#define FSF_DATADIR_READ 0x00000002
Linus Torvalds1da177e2005-04-16 15:20:36 -0700149#define FSF_DATADIR_CMND 0x00000004
150
151/* fc service class */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700152#define FSF_CLASS_3 0x00000003
153
154/* SBAL chaining */
Christof Schmitt1674b402010-04-30 18:09:34 +0200155#define ZFCP_FSF_MAX_SBALS_PER_REQ 36
156
157/* max. number of (data buffer) SBALEs in largest SBAL chain
158 * request ID + QTCB in SBALE 0 + 1 of first SBAL in chain */
159#define ZFCP_FSF_MAX_SBALES_PER_REQ \
160 (ZFCP_FSF_MAX_SBALS_PER_REQ * ZFCP_QDIO_MAX_SBALES_PER_SBAL - 2)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700161
162/* logging space behind QTCB */
163#define FSF_QTCB_LOG_SIZE 1024
164
165/* channel features */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700166#define FSF_FEATURE_CFDC 0x00000002
167#define FSF_FEATURE_LUN_SHARING 0x00000004
Maxim Shchetynin9eb69af2006-01-05 09:56:47 +0100168#define FSF_FEATURE_NOTIFICATION_LOST 0x00000008
Linus Torvalds1da177e2005-04-16 15:20:36 -0700169#define FSF_FEATURE_HBAAPI_MANAGEMENT 0x00000010
Christof Schmitt39eb7e9a2008-12-19 16:57:01 +0100170#define FSF_FEATURE_ELS_CT_CHAINED_SBALS 0x00000020
Maxim Shchetyninaef4a982005-09-13 21:51:16 +0200171#define FSF_FEATURE_UPDATE_ALERT 0x00000100
Swen Schillig6d9d63b2008-04-24 19:35:54 +0200172#define FSF_FEATURE_MEASUREMENT_DATA 0x00000200
Maxim Shchetyninaef4a982005-09-13 21:51:16 +0200173
174/* host connection features */
175#define FSF_FEATURE_NPIV_MODE 0x00000001
Linus Torvalds1da177e2005-04-16 15:20:36 -0700176
177/* option */
178#define FSF_OPEN_LUN_SUPPRESS_BOXING 0x00000001
Linus Torvalds1da177e2005-04-16 15:20:36 -0700179
180/* open LUN access flags*/
Linus Torvalds1da177e2005-04-16 15:20:36 -0700181#define FSF_UNIT_ACCESS_EXCLUSIVE 0x02000000
182#define FSF_UNIT_ACCESS_OUTBOUND_TRANSFER 0x10000000
183
Christof Schmitt45633fd2008-06-10 18:20:55 +0200184/* FSF interface for CFDC */
185#define ZFCP_CFDC_MAX_SIZE 127 * 1024
186#define ZFCP_CFDC_PAGES PFN_UP(ZFCP_CFDC_MAX_SIZE)
187
188struct zfcp_fsf_cfdc {
189 struct scatterlist sg[ZFCP_CFDC_PAGES];
190 u32 command;
191 u32 option;
192};
193
Linus Torvalds1da177e2005-04-16 15:20:36 -0700194struct fsf_queue_designator {
195 u8 cssid;
196 u8 chpid;
197 u8 hla;
198 u8 ua;
199 u32 res1;
200} __attribute__ ((packed));
201
Linus Torvalds1da177e2005-04-16 15:20:36 -0700202struct fsf_bit_error_payload {
203 u32 res1;
204 u32 link_failure_error_count;
205 u32 loss_of_sync_error_count;
206 u32 loss_of_signal_error_count;
207 u32 primitive_sequence_error_count;
208 u32 invalid_transmission_word_error_count;
209 u32 crc_error_count;
210 u32 primitive_sequence_event_timeout_count;
211 u32 elastic_buffer_overrun_error_count;
212 u32 fcal_arbitration_timeout_count;
213 u32 advertised_receive_b2b_credit;
214 u32 current_receive_b2b_credit;
215 u32 advertised_transmit_b2b_credit;
216 u32 current_transmit_b2b_credit;
217} __attribute__ ((packed));
218
Maxim Shchetyninaef4a982005-09-13 21:51:16 +0200219struct fsf_link_down_info {
220 u32 error_code;
221 u32 res1;
222 u8 res2[2];
223 u8 primary_status;
224 u8 ioerr_code;
225 u8 action_code;
226 u8 reason_code;
227 u8 explanation_code;
228 u8 vendor_specific_code;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700229} __attribute__ ((packed));
230
Swen Schilligc41f8cb2008-07-02 10:56:39 +0200231struct fsf_status_read_buffer {
232 u32 status_type;
233 u32 status_subtype;
234 u32 length;
235 u32 res1;
236 struct fsf_queue_designator queue_designator;
Christof Schmitt800c0ca2009-11-24 16:54:12 +0100237 u8 res2;
238 u8 d_id[3];
Swen Schilligc41f8cb2008-07-02 10:56:39 +0200239 u32 class;
240 u64 fcp_lun;
241 u8 res3[24];
242 union {
243 u8 data[FSF_STATUS_READ_PAYLOAD_SIZE];
244 u32 word[FSF_STATUS_READ_PAYLOAD_SIZE/sizeof(u32)];
245 struct fsf_link_down_info link_down_info;
246 struct fsf_bit_error_payload bit_error;
247 } payload;
248} __attribute__ ((packed));
249
250struct fsf_qual_version_error {
251 u32 fsf_version;
252 u32 res1[3];
253} __attribute__ ((packed));
254
255struct fsf_qual_sequence_error {
256 u32 exp_req_seq_no;
257 u32 res1[3];
258} __attribute__ ((packed));
259
Christof Schmittc9615852008-05-06 11:00:05 +0200260struct fsf_qual_latency_info {
261 u32 channel_lat;
262 u32 fabric_lat;
263 u8 res1[8];
264} __attribute__ ((packed));
265
Linus Torvalds1da177e2005-04-16 15:20:36 -0700266union fsf_prot_status_qual {
Christof Schmitt553448f2008-06-10 18:20:58 +0200267 u32 word[FSF_PROT_STATUS_QUAL_SIZE / sizeof(u32)];
Maxim Shchetynin8a36e452005-09-13 21:50:38 +0200268 u64 doubleword[FSF_PROT_STATUS_QUAL_SIZE / sizeof(u64)];
Linus Torvalds1da177e2005-04-16 15:20:36 -0700269 struct fsf_qual_version_error version_error;
270 struct fsf_qual_sequence_error sequence_error;
Maxim Shchetyninaef4a982005-09-13 21:51:16 +0200271 struct fsf_link_down_info link_down_info;
Christof Schmittc9615852008-05-06 11:00:05 +0200272 struct fsf_qual_latency_info latency_info;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700273} __attribute__ ((packed));
274
275struct fsf_qtcb_prefix {
276 u64 req_id;
277 u32 qtcb_version;
278 u32 ulp_info;
279 u32 qtcb_type;
280 u32 req_seq_no;
281 u32 prot_status;
282 union fsf_prot_status_qual prot_status_qual;
283 u8 res1[20];
284} __attribute__ ((packed));
285
Swen Schillig6d9d63b2008-04-24 19:35:54 +0200286struct fsf_statistics_info {
287 u64 input_req;
288 u64 output_req;
289 u64 control_req;
290 u64 input_mb;
291 u64 output_mb;
292 u64 seconds_act;
293} __attribute__ ((packed));
294
Linus Torvalds1da177e2005-04-16 15:20:36 -0700295union fsf_status_qual {
296 u8 byte[FSF_STATUS_QUALIFIER_SIZE];
297 u16 halfword[FSF_STATUS_QUALIFIER_SIZE / sizeof (u16)];
298 u32 word[FSF_STATUS_QUALIFIER_SIZE / sizeof (u32)];
Maxim Shchetynin8a36e452005-09-13 21:50:38 +0200299 u64 doubleword[FSF_STATUS_QUALIFIER_SIZE / sizeof(u64)];
Linus Torvalds1da177e2005-04-16 15:20:36 -0700300 struct fsf_queue_designator fsf_queue_designator;
Maxim Shchetyninaef4a982005-09-13 21:51:16 +0200301 struct fsf_link_down_info link_down_info;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700302} __attribute__ ((packed));
303
304struct fsf_qtcb_header {
305 u64 req_handle;
306 u32 fsf_command;
307 u32 res1;
308 u32 port_handle;
309 u32 lun_handle;
310 u32 res2;
311 u32 fsf_status;
312 union fsf_status_qual fsf_status_qual;
313 u8 res3[28];
314 u16 log_start;
315 u16 log_length;
316 u8 res4[16];
317} __attribute__ ((packed));
318
Christof Schmitt39eb7e9a2008-12-19 16:57:01 +0100319#define FSF_PLOGI_MIN_LEN 112
Linus Torvalds1da177e2005-04-16 15:20:36 -0700320
321#define FSF_FCP_CMND_SIZE 288
322#define FSF_FCP_RSP_SIZE 128
323
324struct fsf_qtcb_bottom_io {
325 u32 data_direction;
326 u32 service_class;
327 u8 res1[8];
328 u32 fcp_cmnd_length;
329 u8 res2[12];
330 u8 fcp_cmnd[FSF_FCP_CMND_SIZE];
331 u8 fcp_rsp[FSF_FCP_RSP_SIZE];
332 u8 res3[64];
333} __attribute__ ((packed));
334
335struct fsf_qtcb_bottom_support {
336 u32 operation_subtype;
Christof Schmitt800c0ca2009-11-24 16:54:12 +0100337 u8 res1[13];
338 u8 d_id[3];
Linus Torvalds1da177e2005-04-16 15:20:36 -0700339 u32 option;
340 u64 fcp_lun;
341 u64 res2;
342 u64 req_handle;
343 u32 service_class;
344 u8 res3[3];
345 u8 timeout;
346 u32 lun_access_info;
347 u8 res4[180];
348 u32 els1_length;
349 u32 els2_length;
350 u32 req_buf_length;
351 u32 resp_buf_length;
352 u8 els[256];
353} __attribute__ ((packed));
354
Christof Schmittfaf4cd82010-07-16 15:37:36 +0200355#define ZFCP_FSF_TIMER_INT_MASK 0x3FFF
356
Linus Torvalds1da177e2005-04-16 15:20:36 -0700357struct fsf_qtcb_bottom_config {
358 u32 lic_version;
359 u32 feature_selection;
360 u32 high_qtcb_version;
361 u32 low_qtcb_version;
362 u32 max_qtcb_size;
363 u32 max_data_transfer_size;
Maxim Shchetyninaef4a982005-09-13 21:51:16 +0200364 u32 adapter_features;
365 u32 connection_features;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700366 u32 fc_topology;
367 u32 fc_link_speed;
368 u32 adapter_type;
Christof Schmitt800c0ca2009-11-24 16:54:12 +0100369 u8 res0;
370 u8 peer_d_id[3];
Christof Schmitt64deb6e2010-04-30 18:09:36 +0200371 u16 status_read_buf_num;
Christof Schmittc9615852008-05-06 11:00:05 +0200372 u16 timer_interval;
Christof Schmitt800c0ca2009-11-24 16:54:12 +0100373 u8 res2[9];
374 u8 s_id[3];
Christof Schmitt9d05ce22009-11-24 16:54:09 +0100375 u8 nport_serv_param[128];
Linus Torvalds1da177e2005-04-16 15:20:36 -0700376 u8 res3[8];
377 u32 adapter_ports;
378 u32 hardware_version;
379 u8 serial_number[32];
Christof Schmitt9d05ce22009-11-24 16:54:09 +0100380 u8 plogi_payload[112];
Swen Schillig6d9d63b2008-04-24 19:35:54 +0200381 struct fsf_statistics_info stat_info;
382 u8 res4[112];
Linus Torvalds1da177e2005-04-16 15:20:36 -0700383} __attribute__ ((packed));
384
385struct fsf_qtcb_bottom_port {
Maxim Shchetyninaef4a982005-09-13 21:51:16 +0200386 u64 wwpn;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700387 u32 fc_port_id;
388 u32 port_type;
389 u32 port_state;
390 u32 class_of_service; /* should be 0x00000006 for class 2 and 3 */
391 u8 supported_fc4_types[32]; /* should be 0x00000100 for scsi fcp */
392 u8 active_fc4_types[32];
393 u32 supported_speed; /* 0x0001 for 1 GBit/s or 0x0002 for 2 GBit/s */
394 u32 maximum_frame_size; /* fixed value of 2112 */
395 u64 seconds_since_last_reset;
396 u64 tx_frames;
397 u64 tx_words;
398 u64 rx_frames;
399 u64 rx_words;
400 u64 lip; /* 0 */
401 u64 nos; /* currently 0 */
402 u64 error_frames; /* currently 0 */
403 u64 dumped_frames; /* currently 0 */
404 u64 link_failure;
405 u64 loss_of_sync;
406 u64 loss_of_signal;
407 u64 psp_error_counts;
408 u64 invalid_tx_words;
409 u64 invalid_crcs;
410 u64 input_requests;
411 u64 output_requests;
412 u64 control_requests;
413 u64 input_mb; /* where 1 MByte == 1.000.000 Bytes */
414 u64 output_mb; /* where 1 MByte == 1.000.000 Bytes */
Swen Schillig6d9d63b2008-04-24 19:35:54 +0200415 u8 cp_util;
416 u8 cb_util;
417 u8 a_util;
418 u8 res2[253];
Linus Torvalds1da177e2005-04-16 15:20:36 -0700419} __attribute__ ((packed));
420
421union fsf_qtcb_bottom {
422 struct fsf_qtcb_bottom_io io;
423 struct fsf_qtcb_bottom_support support;
424 struct fsf_qtcb_bottom_config config;
425 struct fsf_qtcb_bottom_port port;
426};
427
428struct fsf_qtcb {
429 struct fsf_qtcb_prefix prefix;
430 struct fsf_qtcb_header header;
431 union fsf_qtcb_bottom bottom;
432 u8 log[FSF_QTCB_LOG_SIZE];
433} __attribute__ ((packed));
434
Stefan Raspl0997f1c2008-10-16 08:23:39 +0200435struct zfcp_blk_drv_data {
436#define ZFCP_BLK_DRV_DATA_MAGIC 0x1
437 u32 magic;
438#define ZFCP_BLK_LAT_VALID 0x1
439#define ZFCP_BLK_REQ_ERROR 0x2
440 u16 flags;
441 u8 inb_usage;
442 u8 outb_usage;
443 u64 channel_lat;
444 u64 fabric_lat;
445} __attribute__ ((packed));
446
Christof Schmitt7c7dc192009-11-24 16:54:13 +0100447/**
448 * struct zfcp_fsf_ct_els - zfcp data for ct or els request
449 * @req: scatter-gather list for request
450 * @resp: scatter-gather list for response
451 * @handler: handler function (called for response to the request)
452 * @handler_data: data passed to handler function
453 * @port: Optional pointer to port for zfcp internal ELS (only test link ADISC)
454 * @status: used to pass error status to calling function
455 */
456struct zfcp_fsf_ct_els {
457 struct scatterlist *req;
458 struct scatterlist *resp;
459 void (*handler)(void *);
460 void *handler_data;
461 struct zfcp_port *port;
462 int status;
463};
464
Linus Torvalds1da177e2005-04-16 15:20:36 -0700465#endif /* FSF_H */