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authorJames Bottomley <James.Bottomley@SteelEye.com>2006-08-29 10:22:51 -0400
committerJames Bottomley <jejb@mulgrave.il.steeleye.com>2006-08-29 10:52:29 -0400
commit2908d778ab3e244900c310974e1fc1c69066e450 (patch)
tree440d56e98414cd2a8ca711dcd6424df1982d474e /drivers/scsi/aic94xx/aic94xx_sas.h
parentf4ad7b5807385ad1fed0347d966e51a797cd1013 (diff)
[SCSI] aic94xx: new driver
This is the end point of the separate aic94xx driver based on the original driver and transport class from Luben Tuikov <ltuikov@yahoo.com> The log of the separate development is: Alexis Bruemmer: o aic94xx: fix hotplug/unplug for expanderless systems o aic94xx: disable split completion timer/setting by default o aic94xx: wide port off expander support o aic94xx: remove various inline functions o aic94xx: use bitops o aic94xx: remove queue comment o aic94xx: remove sas_common.c o aic94xx: sas remove depot's o aic94xx: use available list_for_each_entry_safe_reverse() o aic94xx: sas header file merge James Bottomley: o aic94xx: fix TF_TMF_NO_CTX processing o aic94xx: convert to request_firmware interface o aic94xx: fix hotplug/unplug o aic94xx: add link error counts to the expander phys o aic94xx: add transport class phy reset capability o aic94xx: remove local_attached flag o Remove README o Fixup Makefile variable for libsas rename o Rename sas->libsas o aic94xx: correct return code for sas_discover_event o aic94xx: use parent backlink port o aic94xx: remove channel abstraction o aic94xx: fix routing algorithms o aic94xx: add backlink port o aic94xx: fix cascaded expander properties o aic94xx: fix sleep under lock o aic94xx: fix panic on module removal in complex topology o aic94xx: make use of the new sas_port o rename sas_port to asd_sas_port o Fix for eh_strategy_handler move o aic94xx: move entirely over to correct transport class formulation o remove last vestages of sas_rphy_alloc() o update for eh_timed_out move o Preliminary expander support for aic94xx o sas: remove event thread o minor warning cleanups o remove last vestiges of id mapping arrays o Further updates o Convert aic94xx over entirely to the transport class end device and o update aic94xx/sas to use the new sas transport class end device o [PATCH] aic94xx: attaching to the sas transport class o Add missing completion removal from prior patch o [PATCH] aic94xx: attaching to the sas transport class o Build fixes from akpm Jeff Garzik: o [scsi aic94xx] Remove ->owner from PCI info table Luben Tuikov: o initial aic94xx driver Mike Anderson: o aic94xx: fix panic on module insertion o aic94xx: stub out SATA_DEV case o aic94xx: compile warning cleanups o aic94xx: sas_alloc_task o aic94xx: ref count update o aic94xx nexus loss time value o [PATCH] aic94xx: driver assertion in non-x86 BIOS env Randy Dunlap: o libsas: externs not needed Robert Tarte: o aic94xx: sequence patch - fixes SATA support Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
Diffstat (limited to 'drivers/scsi/aic94xx/aic94xx_sas.h')
-rw-r--r--drivers/scsi/aic94xx/aic94xx_sas.h785
1 files changed, 785 insertions, 0 deletions
diff --git a/drivers/scsi/aic94xx/aic94xx_sas.h b/drivers/scsi/aic94xx/aic94xx_sas.h
new file mode 100644
index 000000000000..64d231712345
--- /dev/null
+++ b/drivers/scsi/aic94xx/aic94xx_sas.h
@@ -0,0 +1,785 @@
1/*
2 * Aic94xx SAS/SATA driver SAS definitions and hardware interface header file.
3 *
4 * Copyright (C) 2005 Adaptec, Inc. All rights reserved.
5 * Copyright (C) 2005 Luben Tuikov <luben_tuikov@adaptec.com>
6 *
7 * This file is licensed under GPLv2.
8 *
9 * This file is part of the aic94xx driver.
10 *
11 * The aic94xx driver is free software; you can redistribute it and/or
12 * modify it under the terms of the GNU General Public License as
13 * published by the Free Software Foundation; version 2 of the
14 * License.
15 *
16 * The aic94xx driver is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19 * General Public License for more details.
20 *
21 * You should have received a copy of the GNU General Public License
22 * along with the aic94xx driver; if not, write to the Free Software
23 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
24 *
25 */
26
27#ifndef _AIC94XX_SAS_H_
28#define _AIC94XX_SAS_H_
29
30#include <scsi/libsas.h>
31
32/* ---------- DDBs ---------- */
33/* DDBs are device descriptor blocks which describe a device in the
34 * domain that this sequencer can maintain low-level connections for
35 * us. They are be 64 bytes.
36 */
37
38struct asd_ddb_ssp_smp_target_port {
39 u8 conn_type; /* byte 0 */
40#define DDB_TP_CONN_TYPE 0x81 /* Initiator port and addr frame type 0x01 */
41
42 u8 conn_rate;
43 __be16 init_conn_tag;
44 u8 dest_sas_addr[8]; /* bytes 4-11 */
45
46 __le16 send_queue_head;
47 u8 sq_suspended;
48 u8 ddb_type; /* DDB_TYPE_TARGET */
49#define DDB_TYPE_UNUSED 0xFF
50#define DDB_TYPE_TARGET 0xFE
51#define DDB_TYPE_INITIATOR 0xFD
52#define DDB_TYPE_PM_PORT 0xFC
53
54 __le16 _r_a;
55 __be16 awt_def;
56
57 u8 compat_features; /* byte 20 */
58 u8 pathway_blocked_count;
59 __be16 arb_wait_time;
60 __be32 more_compat_features; /* byte 24 */
61
62 u8 conn_mask;
63 u8 flags; /* concurrent conn:2,2 and open:0(1) */
64#define CONCURRENT_CONN_SUPP 0x04
65#define OPEN_REQUIRED 0x01
66
67 u16 _r_b;
68 __le16 exec_queue_tail;
69 __le16 send_queue_tail;
70 __le16 sister_ddb;
71
72 __le16 _r_c;
73
74 u8 max_concurrent_conn;
75 u8 num_concurrent_conn;
76 u8 num_contexts;
77
78 u8 _r_d;
79
80 __le16 active_task_count;
81
82 u8 _r_e[9];
83
84 u8 itnl_reason; /* I_T nexus loss reason */
85
86 __le16 _r_f;
87
88 __le16 itnl_timeout;
89#define ITNL_TIMEOUT_CONST 0x7D0 /* 2 seconds */
90
91 __le32 itnl_timestamp;
92} __attribute__ ((packed));
93
94struct asd_ddb_stp_sata_target_port {
95 u8 conn_type; /* byte 0 */
96 u8 conn_rate;
97 __be16 init_conn_tag;
98 u8 dest_sas_addr[8]; /* bytes 4-11 */
99
100 __le16 send_queue_head;
101 u8 sq_suspended;
102 u8 ddb_type; /* DDB_TYPE_TARGET */
103
104 __le16 _r_a;
105
106 __be16 awt_def;
107 u8 compat_features; /* byte 20 */
108 u8 pathway_blocked_count;
109 __be16 arb_wait_time;
110 __be32 more_compat_features; /* byte 24 */
111
112 u8 conn_mask;
113 u8 flags; /* concurrent conn:2,2 and open:0(1) */
114#define SATA_MULTIPORT 0x80
115#define SUPPORTS_AFFIL 0x40
116#define STP_AFFIL_POL 0x20
117
118 u8 _r_b;
119 u8 flags2; /* STP close policy:0 */
120#define STP_CL_POL_NO_TX 0x00
121#define STP_CL_POL_BTW_CMDS 0x01
122
123 __le16 exec_queue_tail;
124 __le16 send_queue_tail;
125 __le16 sister_ddb;
126 __le16 ata_cmd_scbptr;
127 __le32 sata_tag_alloc_mask;
128 __le16 active_task_count;
129 __le16 _r_c;
130 __le32 sata_sactive;
131 u8 num_sata_tags;
132 u8 sata_status;
133 u8 sata_ending_status;
134 u8 itnl_reason; /* I_T nexus loss reason */
135 __le16 ncq_data_scb_ptr;
136 __le16 itnl_timeout;
137 __le32 itnl_timestamp;
138} __attribute__ ((packed));
139
140/* This struct asd_ddb_init_port, describes the device descriptor block
141 * of an initiator port (when the sequencer is operating in target mode).
142 * Bytes [0,11] and [20,27] are from the OPEN address frame.
143 * The sequencer allocates an initiator port DDB entry.
144 */
145struct asd_ddb_init_port {
146 u8 conn_type; /* byte 0 */
147 u8 conn_rate;
148 __be16 init_conn_tag; /* BE */
149 u8 dest_sas_addr[8];
150 __le16 send_queue_head; /* LE, byte 12 */
151 u8 sq_suspended;
152 u8 ddb_type; /* DDB_TYPE_INITIATOR */
153 __le16 _r_a;
154 __be16 awt_def; /* BE */
155 u8 compat_features;
156 u8 pathway_blocked_count;
157 __be16 arb_wait_time; /* BE */
158 __be32 more_compat_features; /* BE */
159 u8 conn_mask;
160 u8 flags; /* == 5 */
161 u16 _r_b;
162 __le16 exec_queue_tail; /* execution queue tail */
163 __le16 send_queue_tail;
164 __le16 sister_ddb;
165 __le16 init_resp_timeout; /* initiator response timeout */
166 __le32 _r_c;
167 __le16 active_tasks; /* active task count */
168 __le16 init_list; /* initiator list link pointer */
169 __le32 _r_d;
170 u8 max_conn_to[3]; /* from Conn-Disc mode page, in us, LE */
171 u8 itnl_reason; /* I_T nexus loss reason */
172 __le16 bus_inact_to; /* from Conn-Disc mode page, in 100 us, LE */
173 __le16 itnl_to; /* from the Protocol Specific Port Ctrl MP */
174 __le32 itnl_timestamp;
175} __attribute__ ((packed));
176
177/* This struct asd_ddb_sata_tag, describes a look-up table to be used
178 * by the sequencers. SATA II, IDENTIFY DEVICE data, word 76, bit 8:
179 * NCQ support. This table is used by the sequencers to find the
180 * corresponding SCB, given a SATA II tag value.
181 */
182struct asd_ddb_sata_tag {
183 __le16 scb_pointer[32];
184} __attribute__ ((packed));
185
186/* This struct asd_ddb_sata_pm_table, describes a port number to
187 * connection handle look-up table. SATA targets attached to a port
188 * multiplier require a 4-bit port number value. There is one DDB
189 * entry of this type for each SATA port multiplier (sister DDB).
190 * Given a SATA PM port number, this table gives us the SATA PM Port
191 * DDB of the SATA port multiplier port (i.e. the SATA target
192 * discovered on the port).
193 */
194struct asd_ddb_sata_pm_table {
195 __le16 ddb_pointer[16];
196 __le16 _r_a[16];
197} __attribute__ ((packed));
198
199/* This struct asd_ddb_sata_pm_port, describes the SATA port multiplier
200 * port format DDB.
201 */
202struct asd_ddb_sata_pm_port {
203 u8 _r_a[15];
204 u8 ddb_type;
205 u8 _r_b[13];
206 u8 pm_port_flags;
207#define PM_PORT_MASK 0xF0
208#define PM_PORT_SET 0x02
209 u8 _r_c[6];
210 __le16 sister_ddb;
211 __le16 ata_cmd_scbptr;
212 __le32 sata_tag_alloc_mask;
213 __le16 active_task_count;
214 __le16 parent_ddb;
215 __le32 sata_sactive;
216 u8 num_sata_tags;
217 u8 sata_status;
218 u8 sata_ending_status;
219 u8 _r_d[9];
220} __attribute__ ((packed));
221
222/* This struct asd_ddb_seq_shared, describes a DDB shared by the
223 * central and link sequencers. port_map_by_links is indexed phy
224 * number [0,7]; each byte is a bit mask of all the phys that are in
225 * the same port as the indexed phy.
226 */
227struct asd_ddb_seq_shared {
228 __le16 q_free_ddb_head;
229 __le16 q_free_ddb_tail;
230 __le16 q_free_ddb_cnt;
231 __le16 q_used_ddb_head;
232 __le16 q_used_ddb_tail;
233 __le16 shared_mem_lock;
234 __le16 smp_conn_tag;
235 __le16 est_nexus_buf_cnt;
236 __le16 est_nexus_buf_thresh;
237 u32 _r_a;
238 u8 settable_max_contexts;
239 u8 _r_b[23];
240 u8 conn_not_active;
241 u8 phy_is_up;
242 u8 _r_c[8];
243 u8 port_map_by_links[8];
244} __attribute__ ((packed));
245
246/* ---------- SG Element ---------- */
247
248/* This struct sg_el, describes the hardware scatter gather buffer
249 * element. All entries are little endian. In an SCB, there are 2 of
250 * this, plus one more, called a link element of this indicating a
251 * sublist if needed.
252 *
253 * A link element has only the bus address set and the flags (DS) bit
254 * valid. The bus address points to the start of the sublist.
255 *
256 * If a sublist is needed, then that sublist should also include the 2
257 * sg_el embedded in the SCB, in which case next_sg_offset is 32,
258 * since sizeof(sg_el) = 16; EOS should be 1 and EOL 0 in this case.
259 */
260struct sg_el {
261 __le64 bus_addr;
262 __le32 size;
263 __le16 _r;
264 u8 next_sg_offs;
265 u8 flags;
266#define ASD_SG_EL_DS_MASK 0x30
267#define ASD_SG_EL_DS_OCM 0x10
268#define ASD_SG_EL_DS_HM 0x00
269#define ASD_SG_EL_LIST_MASK 0xC0
270#define ASD_SG_EL_LIST_EOL 0x40
271#define ASD_SG_EL_LIST_EOS 0x80
272} __attribute__ ((packed));
273
274/* ---------- SCBs ---------- */
275
276/* An SCB (sequencer control block) is comprised of a common header
277 * and a task part, for a total of 128 bytes. All fields are in LE
278 * order, unless otherwise noted.
279 */
280
281/* This struct scb_header, defines the SCB header format.
282 */
283struct scb_header {
284 __le64 next_scb;
285 __le16 index; /* transaction context */
286 u8 opcode;
287} __attribute__ ((packed));
288
289/* SCB opcodes: Execution queue
290 */
291#define INITIATE_SSP_TASK 0x00
292#define INITIATE_LONG_SSP_TASK 0x01
293#define INITIATE_BIDIR_SSP_TASK 0x02
294#define ABORT_TASK 0x03
295#define INITIATE_SSP_TMF 0x04
296#define SSP_TARG_GET_DATA 0x05
297#define SSP_TARG_GET_DATA_GOOD 0x06
298#define SSP_TARG_SEND_RESP 0x07
299#define QUERY_SSP_TASK 0x08
300#define INITIATE_ATA_TASK 0x09
301#define INITIATE_ATAPI_TASK 0x0a
302#define CONTROL_ATA_DEV 0x0b
303#define INITIATE_SMP_TASK 0x0c
304#define SMP_TARG_SEND_RESP 0x0f
305
306/* SCB opcodes: Send Queue
307 */
308#define SSP_TARG_SEND_DATA 0x40
309#define SSP_TARG_SEND_DATA_GOOD 0x41
310
311/* SCB opcodes: Link Queue
312 */
313#define CONTROL_PHY 0x80
314#define SEND_PRIMITIVE 0x81
315#define INITIATE_LINK_ADM_TASK 0x82
316
317/* SCB opcodes: other
318 */
319#define EMPTY_SCB 0xc0
320#define INITIATE_SEQ_ADM_TASK 0xc1
321#define EST_ICL_TARG_WINDOW 0xc2
322#define COPY_MEM 0xc3
323#define CLEAR_NEXUS 0xc4
324#define INITIATE_DDB_ADM_TASK 0xc6
325#define ESTABLISH_NEXUS_ESCB 0xd0
326
327#define LUN_SIZE 8
328
329/* See SAS spec, task IU
330 */
331struct ssp_task_iu {
332 u8 lun[LUN_SIZE]; /* BE */
333 u16 _r_a;
334 u8 tmf;
335 u8 _r_b;
336 __be16 tag; /* BE */
337 u8 _r_c[14];
338} __attribute__ ((packed));
339
340/* See SAS spec, command IU
341 */
342struct ssp_command_iu {
343 u8 lun[LUN_SIZE];
344 u8 _r_a;
345 u8 efb_prio_attr; /* enable first burst, task prio & attr */
346#define EFB_MASK 0x80
347#define TASK_PRIO_MASK 0x78
348#define TASK_ATTR_MASK 0x07
349
350 u8 _r_b;
351 u8 add_cdb_len; /* in dwords, since bit 0,1 are reserved */
352 union {
353 u8 cdb[16];
354 struct {
355 __le64 long_cdb_addr; /* bus address, LE */
356 __le32 long_cdb_size; /* LE */
357 u8 _r_c[3];
358 u8 eol_ds; /* eol:6,6, ds:5,4 */
359 } long_cdb; /* sequencer extension */
360 };
361} __attribute__ ((packed));
362
363struct xfer_rdy_iu {
364 __be32 requested_offset; /* BE */
365 __be32 write_data_len; /* BE */
366 __be32 _r_a;
367} __attribute__ ((packed));
368
369/* ---------- SCB tasks ---------- */
370
371/* This is both ssp_task and long_ssp_task
372 */
373struct initiate_ssp_task {
374 u8 proto_conn_rate; /* proto:6,4, conn_rate:3,0 */
375 __le32 total_xfer_len;
376 struct ssp_frame_hdr ssp_frame;
377 struct ssp_command_iu ssp_cmd;
378 __le16 sister_scb; /* 0xFFFF */
379 __le16 conn_handle; /* index to DDB for the intended target */
380 u8 data_dir; /* :1,0 */
381#define DATA_DIR_NONE 0x00
382#define DATA_DIR_IN 0x01
383#define DATA_DIR_OUT 0x02
384#define DATA_DIR_BYRECIPIENT 0x03
385
386 u8 _r_a;
387 u8 retry_count;
388 u8 _r_b[5];
389 struct sg_el sg_element[3]; /* 2 real and 1 link */
390} __attribute__ ((packed));
391
392/* This defines both ata_task and atapi_task.
393 * ata: C bit of FIS should be 1,
394 * atapi: C bit of FIS should be 1, and command register should be 0xA0,
395 * to indicate a packet command.
396 */
397struct initiate_ata_task {
398 u8 proto_conn_rate;
399 __le32 total_xfer_len;
400 struct host_to_dev_fis fis;
401 __le32 data_offs;
402 u8 atapi_packet[16];
403 u8 _r_a[12];
404 __le16 sister_scb;
405 __le16 conn_handle;
406 u8 ata_flags; /* CSMI:6,6, DTM:4,4, QT:3,3, data dir:1,0 */
407#define CSMI_TASK 0x40
408#define DATA_XFER_MODE_DMA 0x10
409#define ATA_Q_TYPE_MASK 0x08
410#define ATA_Q_TYPE_UNTAGGED 0x00
411#define ATA_Q_TYPE_NCQ 0x08
412
413 u8 _r_b;
414 u8 retry_count;
415 u8 _r_c;
416 u8 flags;
417#define STP_AFFIL_POLICY 0x20
418#define SET_AFFIL_POLICY 0x10
419#define RET_PARTIAL_SGLIST 0x02
420
421 u8 _r_d[3];
422 struct sg_el sg_element[3];
423} __attribute__ ((packed));
424
425struct initiate_smp_task {
426 u8 proto_conn_rate;
427 u8 _r_a[40];
428 struct sg_el smp_req;
429 __le16 sister_scb;
430 __le16 conn_handle;
431 u8 _r_c[8];
432 struct sg_el smp_resp;
433 u8 _r_d[32];
434} __attribute__ ((packed));
435
436struct control_phy {
437 u8 phy_id;
438 u8 sub_func;
439#define DISABLE_PHY 0x00
440#define ENABLE_PHY 0x01
441#define RELEASE_SPINUP_HOLD 0x02
442#define ENABLE_PHY_NO_SAS_OOB 0x03
443#define ENABLE_PHY_NO_SATA_OOB 0x04
444#define PHY_NO_OP 0x05
445#define EXECUTE_HARD_RESET 0x81
446
447 u8 func_mask;
448 u8 speed_mask;
449 u8 hot_plug_delay;
450 u8 port_type;
451 u8 flags;
452#define DEV_PRES_TIMER_OVERRIDE_ENABLE 0x01
453#define DISABLE_PHY_IF_OOB_FAILS 0x02
454
455 __le32 timeout_override;
456 u8 link_reset_retries;
457 u8 _r_a[47];
458 __le16 conn_handle;
459 u8 _r_b[56];
460} __attribute__ ((packed));
461
462struct control_ata_dev {
463 u8 proto_conn_rate;
464 __le32 _r_a;
465 struct host_to_dev_fis fis;
466 u8 _r_b[32];
467 __le16 sister_scb;
468 __le16 conn_handle;
469 u8 ata_flags; /* 0 */
470 u8 _r_c[55];
471} __attribute__ ((packed));
472
473struct empty_scb {
474 u8 num_valid;
475 __le32 _r_a;
476#define ASD_EDBS_PER_SCB 7
477/* header+data+CRC+DMA suffix data */
478#define ASD_EDB_SIZE (24+1024+4+16)
479 struct sg_el eb[ASD_EDBS_PER_SCB];
480#define ELEMENT_NOT_VALID 0xC0
481} __attribute__ ((packed));
482
483struct initiate_link_adm {
484 u8 phy_id;
485 u8 sub_func;
486#define GET_LINK_ERROR_COUNT 0x00
487#define RESET_LINK_ERROR_COUNT 0x01
488#define ENABLE_NOTIFY_SPINUP_INTS 0x02
489
490 u8 _r_a[57];
491 __le16 conn_handle;
492 u8 _r_b[56];
493} __attribute__ ((packed));
494
495struct copy_memory {
496 u8 _r_a;
497 __le16 xfer_len;
498 __le16 _r_b;
499 __le64 src_busaddr;
500 u8 src_ds; /* See definition of sg_el */
501 u8 _r_c[45];
502 __le16 conn_handle;
503 __le64 _r_d;
504 __le64 dest_busaddr;
505 u8 dest_ds; /* See definition of sg_el */
506 u8 _r_e[39];
507} __attribute__ ((packed));
508
509struct abort_task {
510 u8 proto_conn_rate;
511 __le32 _r_a;
512 struct ssp_frame_hdr ssp_frame;
513 struct ssp_task_iu ssp_task;
514 __le16 sister_scb;
515 __le16 conn_handle;
516 u8 flags; /* ovrd_itnl_timer:3,3, suspend_data_trans:2,2 */
517#define SUSPEND_DATA_TRANS 0x04
518
519 u8 _r_b;
520 u8 retry_count;
521 u8 _r_c[5];
522 __le16 index; /* Transaction context of task to be queried */
523 __le16 itnl_to;
524 u8 _r_d[44];
525} __attribute__ ((packed));
526
527struct clear_nexus {
528 u8 nexus;
529#define NEXUS_ADAPTER 0x00
530#define NEXUS_PORT 0x01
531#define NEXUS_I_T 0x02
532#define NEXUS_I_T_L 0x03
533#define NEXUS_TAG 0x04
534#define NEXUS_TRANS_CX 0x05
535#define NEXUS_SATA_TAG 0x06
536#define NEXUS_T_L 0x07
537#define NEXUS_L 0x08
538#define NEXUS_T_TAG 0x09
539
540 __le32 _r_a;
541 u8 flags;
542#define SUSPEND_TX 0x80
543#define RESUME_TX 0x40
544#define SEND_Q 0x04
545#define EXEC_Q 0x02
546#define NOTINQ 0x01
547
548 u8 _r_b[3];
549 u8 conn_mask;
550 u8 _r_c[19];
551 struct ssp_task_iu ssp_task; /* LUN and TAG */
552 __le16 _r_d;
553 __le16 conn_handle;
554 __le64 _r_e;
555 __le16 index; /* Transaction context of task to be cleared */
556 __le16 context; /* Clear nexus context */
557 u8 _r_f[44];
558} __attribute__ ((packed));
559
560struct initiate_ssp_tmf {
561 u8 proto_conn_rate;
562 __le32 _r_a;
563 struct ssp_frame_hdr ssp_frame;
564 struct ssp_task_iu ssp_task;
565 __le16 sister_scb;
566 __le16 conn_handle;
567 u8 flags; /* itnl override and suspend data tx */
568#define OVERRIDE_ITNL_TIMER 8
569
570 u8 _r_b;
571 u8 retry_count;
572 u8 _r_c[5];
573 __le16 index; /* Transaction context of task to be queried */
574 __le16 itnl_to;
575 u8 _r_d[44];
576} __attribute__ ((packed));
577
578/* Transmits an arbitrary primitive on the link.
579 * Used for NOTIFY and BROADCAST.
580 */
581struct send_prim {
582 u8 phy_id;
583 u8 wait_transmit; /* :0,0 */
584 u8 xmit_flags;
585#define XMTPSIZE_MASK 0xF0
586#define XMTPSIZE_SINGLE 0x10
587#define XMTPSIZE_REPEATED 0x20
588#define XMTPSIZE_CONT 0x20
589#define XMTPSIZE_TRIPLE 0x30
590#define XMTPSIZE_REDUNDANT 0x60
591#define XMTPSIZE_INF 0
592
593#define XMTCONTEN 0x04
594#define XMTPFRM 0x02 /* Transmit at the next frame boundary */
595#define XMTPIMM 0x01 /* Transmit immediately */
596
597 __le16 _r_a;
598 u8 prim[4]; /* K, D0, D1, D2 */
599 u8 _r_b[50];
600 __le16 conn_handle;
601 u8 _r_c[56];
602} __attribute__ ((packed));
603
604/* This describes both SSP Target Get Data and SSP Target Get Data And
605 * Send Good Response SCBs. Used when the sequencer is operating in
606 * target mode...
607 */
608struct ssp_targ_get_data {
609 u8 proto_conn_rate;
610 __le32 total_xfer_len;
611 struct ssp_frame_hdr ssp_frame;
612 struct xfer_rdy_iu xfer_rdy;
613 u8 lun[LUN_SIZE];
614 __le64 _r_a;
615 __le16 sister_scb;
616 __le16 conn_handle;
617 u8 data_dir; /* 01b */
618 u8 _r_b;
619 u8 retry_count;
620 u8 _r_c[5];
621 struct sg_el sg_element[3];
622} __attribute__ ((packed));
623
624/* ---------- The actual SCB struct ---------- */
625
626struct scb {
627 struct scb_header header;
628 union {
629 struct initiate_ssp_task ssp_task;
630 struct initiate_ata_task ata_task;
631 struct initiate_smp_task smp_task;
632 struct control_phy control_phy;
633 struct control_ata_dev control_ata_dev;
634 struct empty_scb escb;
635 struct initiate_link_adm link_adm;
636 struct copy_memory cp_mem;
637 struct abort_task abort_task;
638 struct clear_nexus clear_nexus;
639 struct initiate_ssp_tmf ssp_tmf;
640 };
641} __attribute__ ((packed));
642
643/* ---------- Done List ---------- */
644/* The done list entry opcode field is defined below.
645 * The mnemonic encoding and meaning is as follows:
646 * TC - Task Complete, status was received and acknowledged
647 * TF - Task Failed, indicates an error prior to receiving acknowledgment
648 * for the command:
649 * - no conn,
650 * - NACK or R_ERR received in response to this command,
651 * - credit blocked or not available, or in the case of SMP request,
652 * - no SMP response was received.
653 * In these four cases it is known that the target didn't receive the
654 * command.
655 * TI - Task Interrupted, error after the command was acknowledged. It is
656 * known that the command was received by the target.
657 * TU - Task Unacked, command was transmitted but neither ACK (R_OK) nor NAK
658 * (R_ERR) was received due to loss of signal, broken connection, loss of
659 * dword sync or other reason. The application client should send the
660 * appropriate task query.
661 * TA - Task Aborted, see TF.
662 * _RESP - The completion includes an empty buffer containing status.
663 * TO - Timeout.
664 */
665#define TC_NO_ERROR 0x00
666#define TC_UNDERRUN 0x01
667#define TC_OVERRUN 0x02
668#define TF_OPEN_TO 0x03
669#define TF_OPEN_REJECT 0x04
670#define TI_BREAK 0x05
671#define TI_PROTO_ERR 0x06
672#define TC_SSP_RESP 0x07
673#define TI_PHY_DOWN 0x08
674#define TF_PHY_DOWN 0x09
675#define TC_LINK_ADM_RESP 0x0a
676#define TC_CSMI 0x0b
677#define TC_ATA_RESP 0x0c
678#define TU_PHY_DOWN 0x0d
679#define TU_BREAK 0x0e
680#define TI_SATA_TO 0x0f
681#define TI_NAK 0x10
682#define TC_CONTROL_PHY 0x11
683#define TF_BREAK 0x12
684#define TC_RESUME 0x13
685#define TI_ACK_NAK_TO 0x14
686#define TF_SMPRSP_TO 0x15
687#define TF_SMP_XMIT_RCV_ERR 0x16
688#define TC_PARTIAL_SG_LIST 0x17
689#define TU_ACK_NAK_TO 0x18
690#define TU_SATA_TO 0x19
691#define TF_NAK_RECV 0x1a
692#define TA_I_T_NEXUS_LOSS 0x1b
693#define TC_ATA_R_ERR_RECV 0x1c
694#define TF_TMF_NO_CTX 0x1d
695#define TA_ON_REQ 0x1e
696#define TF_TMF_NO_TAG 0x1f
697#define TF_TMF_TAG_FREE 0x20
698#define TF_TMF_TASK_DONE 0x21
699#define TF_TMF_NO_CONN_HANDLE 0x22
700#define TC_TASK_CLEARED 0x23
701#define TI_SYNCS_RECV 0x24
702#define TU_SYNCS_RECV 0x25
703#define TF_IRTT_TO 0x26
704#define TF_NO_SMP_CONN 0x27
705#define TF_IU_SHORT 0x28
706#define TF_DATA_OFFS_ERR 0x29
707#define TF_INV_CONN_HANDLE 0x2a
708#define TF_REQUESTED_N_PENDING 0x2b
709
710/* 0xc1 - 0xc7: empty buffer received,
711 0xd1 - 0xd7: establish nexus empty buffer received
712*/
713/* This is the ESCB mask */
714#define ESCB_RECVD 0xC0
715
716
717/* This struct done_list_struct defines the done list entry.
718 * All fields are LE.
719 */
720struct done_list_struct {
721 __le16 index; /* aka transaction context */
722 u8 opcode;
723 u8 status_block[4];
724 u8 toggle; /* bit 0 */
725#define DL_TOGGLE_MASK 0x01
726} __attribute__ ((packed));
727
728/* ---------- PHYS ---------- */
729
730struct asd_phy {
731 struct asd_sas_phy sas_phy;
732 struct asd_phy_desc *phy_desc; /* hw profile */
733
734 struct sas_identify_frame *identify_frame;
735 struct asd_dma_tok *id_frm_tok;
736
737 u8 frame_rcvd[ASD_EDB_SIZE];
738};
739
740
741#define ASD_SCB_SIZE sizeof(struct scb)
742#define ASD_DDB_SIZE sizeof(struct asd_ddb_ssp_smp_target_port)
743
744/* Define this to 0 if you do not want NOTIFY (ENABLE SPINIP) sent.
745 * Default: 0x10 (it's a mask)
746 */
747#define ASD_NOTIFY_ENABLE_SPINUP 0x10
748
749/* If enabled, set this to the interval between transmission
750 * of NOTIFY (ENABLE SPINUP). In units of 200 us.
751 */
752#define ASD_NOTIFY_TIMEOUT 2500
753
754/* Initial delay after OOB, before we transmit NOTIFY (ENABLE SPINUP).
755 * If 0, transmit immediately. In milliseconds.
756 */
757#define ASD_NOTIFY_DOWN_COUNT 0
758
759/* Device present timer timeout constant, 10 ms. */
760#define ASD_DEV_PRESENT_TIMEOUT 0x2710
761
762#define ASD_SATA_INTERLOCK_TIMEOUT 0
763
764/* How long to wait before shutting down an STP connection, unless
765 * an STP target sent frame(s). 50 usec.
766 * IGNORED by the sequencer (i.e. value 0 always).
767 */
768#define ASD_STP_SHUTDOWN_TIMEOUT 0x0
769
770/* ATA soft reset timer timeout. 5 usec. */
771#define ASD_SRST_ASSERT_TIMEOUT 0x05
772
773/* 31 sec */
774#define ASD_RCV_FIS_TIMEOUT 0x01D905C0
775
776#define ASD_ONE_MILLISEC_TIMEOUT 0x03e8
777
778/* COMINIT timer */
779#define ASD_TEN_MILLISEC_TIMEOUT 0x2710
780#define ASD_COMINIT_TIMEOUT ASD_TEN_MILLISEC_TIMEOUT
781
782/* 1 sec */
783#define ASD_SMP_RCV_TIMEOUT 0x000F4240
784
785#endif