drivers/scsi/aic94xx/aic94xx

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   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2 /*
   3  * Aic94xx SAS/SATA driver SAS definitions and hardware interface header file.
   4  *
   5  * Copyright (C) 2005 Adaptec, Inc.  All rights reserved.
   6  * Copyright (C) 2005 Luben Tuikov <luben_tuikov@adaptec.com>
   7  */
   8 
   9 #ifndef _AIC94XX_SAS_H_
  10 #define _AIC94XX_SAS_H_
  11 
  12 #include <scsi/libsas.h>
  13 
  14 /* ---------- DDBs ---------- */
  15 /* DDBs are device descriptor blocks which describe a device in the
  16  * domain that this sequencer can maintain low-level connections for
  17  * us.  They are be 64 bytes.
  18  */
  19 #define ASD_MAX_DDBS    128
  20 
  21 struct asd_ddb_ssp_smp_target_port {
  22         u8     conn_type;         /* byte 0 */
  23 #define DDB_TP_CONN_TYPE 0x81     /* Initiator port and addr frame type 0x01 */
  24 
  25         u8     conn_rate;
  26         __be16 init_conn_tag;
  27         u8     dest_sas_addr[8];  /* bytes 4-11 */
  28 
  29         __le16 send_queue_head;
  30         u8     sq_suspended;
  31         u8     ddb_type;          /* DDB_TYPE_TARGET */
  32 #define DDB_TYPE_UNUSED    0xFF
  33 #define DDB_TYPE_TARGET    0xFE
  34 #define DDB_TYPE_INITIATOR 0xFD
  35 #define DDB_TYPE_PM_PORT   0xFC
  36 
  37         __le16 _r_a;
  38         __be16 awt_def;
  39 
  40         u8     compat_features;   /* byte 20 */
  41         u8     pathway_blocked_count;
  42         __be16 arb_wait_time;
  43         __be32 more_compat_features; /* byte 24 */
  44 
  45         u8     conn_mask;
  46         u8     flags;     /* concurrent conn:2,2 and open:0(1) */
  47 #define CONCURRENT_CONN_SUPP 0x04
  48 #define OPEN_REQUIRED        0x01
  49 
  50         u16    _r_b;
  51         __le16 exec_queue_tail;
  52         __le16 send_queue_tail;
  53         __le16 sister_ddb;
  54 
  55         __le16 _r_c;
  56 
  57         u8     max_concurrent_conn;
  58         u8     num_concurrent_conn;
  59         u8     num_contexts;
  60 
  61         u8     _r_d;
  62 
  63         __le16 active_task_count;
  64 
  65         u8     _r_e[9];
  66 
  67         u8     itnl_reason;       /* I_T nexus loss reason */
  68 
  69         __le16 _r_f;
  70 
  71         __le16 itnl_timeout;
  72 #define ITNL_TIMEOUT_CONST 0x7D0 /* 2 seconds */
  73 
  74         __le32 itnl_timestamp;
  75 } __attribute__ ((packed));
  76 
  77 struct asd_ddb_stp_sata_target_port {
  78         u8     conn_type;         /* byte 0 */
  79         u8     conn_rate;
  80         __be16 init_conn_tag;
  81         u8     dest_sas_addr[8];  /* bytes 4-11 */
  82 
  83         __le16 send_queue_head;
  84         u8     sq_suspended;
  85         u8     ddb_type;          /* DDB_TYPE_TARGET */
  86 
  87         __le16 _r_a;
  88 
  89         __be16 awt_def;
  90         u8     compat_features;   /* byte 20 */
  91         u8     pathway_blocked_count;
  92         __be16 arb_wait_time;
  93         __be32 more_compat_features; /* byte 24 */
  94 
  95         u8     conn_mask;
  96         u8     flags;     /* concurrent conn:2,2 and open:0(1) */
  97 #define SATA_MULTIPORT     0x80
  98 #define SUPPORTS_AFFIL     0x40
  99 #define STP_AFFIL_POL      0x20
 100 
 101         u8     _r_b;
 102         u8     flags2;            /* STP close policy:0 */
 103 #define STP_CL_POL_NO_TX    0x00
 104 #define STP_CL_POL_BTW_CMDS 0x01
 105 
 106         __le16 exec_queue_tail;
 107         __le16 send_queue_tail;
 108         __le16 sister_ddb;
 109         __le16 ata_cmd_scbptr;
 110         __le32 sata_tag_alloc_mask;
 111         __le16 active_task_count;
 112         __le16 _r_c;
 113         __le32 sata_sactive;
 114         u8     num_sata_tags;
 115         u8     sata_status;
 116         u8     sata_ending_status;
 117         u8     itnl_reason;       /* I_T nexus loss reason */
 118         __le16 ncq_data_scb_ptr;
 119         __le16 itnl_timeout;
 120         __le32 itnl_timestamp;
 121 } __attribute__ ((packed));
 122 
 123 /* This struct asd_ddb_init_port, describes the device descriptor block
 124  * of an initiator port (when the sequencer is operating in target mode).
 125  * Bytes [0,11] and [20,27] are from the OPEN address frame.
 126  * The sequencer allocates an initiator port DDB entry.
 127  */
 128 struct asd_ddb_init_port {
 129         u8     conn_type;         /* byte 0 */
 130         u8     conn_rate;
 131         __be16 init_conn_tag;     /* BE */
 132         u8     dest_sas_addr[8];
 133         __le16 send_queue_head;   /* LE, byte 12 */
 134         u8     sq_suspended;
 135         u8     ddb_type;          /* DDB_TYPE_INITIATOR */
 136         __le16 _r_a;
 137         __be16 awt_def;           /* BE */
 138         u8     compat_features;
 139         u8     pathway_blocked_count;
 140         __be16 arb_wait_time;     /* BE */
 141         __be32 more_compat_features; /* BE */
 142         u8     conn_mask;
 143         u8     flags;             /* == 5 */
 144         u16    _r_b;
 145         __le16 exec_queue_tail;   /* execution queue tail */
 146         __le16 send_queue_tail;
 147         __le16 sister_ddb;
 148         __le16 init_resp_timeout; /* initiator response timeout */
 149         __le32 _r_c;
 150         __le16 active_tasks;      /* active task count */
 151         __le16 init_list;         /* initiator list link pointer */
 152         __le32 _r_d;
 153         u8     max_conn_to[3]; /* from Conn-Disc mode page, in us, LE */
 154         u8     itnl_reason;       /* I_T nexus loss reason */
 155         __le16 bus_inact_to; /* from Conn-Disc mode page, in 100 us, LE */
 156         __le16 itnl_to;           /* from the Protocol Specific Port Ctrl MP */
 157         __le32 itnl_timestamp;
 158 } __attribute__ ((packed));
 159 
 160 /* This struct asd_ddb_sata_tag, describes a look-up table to be used
 161  * by the sequencers.  SATA II, IDENTIFY DEVICE data, word 76, bit 8:
 162  * NCQ support.  This table is used by the sequencers to find the
 163  * corresponding SCB, given a SATA II tag value.
 164  */
 165 struct asd_ddb_sata_tag {
 166         __le16 scb_pointer[32];
 167 } __attribute__ ((packed));
 168 
 169 /* This struct asd_ddb_sata_pm_table, describes a port number to
 170  * connection handle look-up table.  SATA targets attached to a port
 171  * multiplier require a 4-bit port number value.  There is one DDB
 172  * entry of this type for each SATA port multiplier (sister DDB).
 173  * Given a SATA PM port number, this table gives us the SATA PM Port
 174  * DDB of the SATA port multiplier port (i.e. the SATA target
 175  * discovered on the port).
 176  */
 177 struct asd_ddb_sata_pm_table {
 178         __le16 ddb_pointer[16];
 179         __le16 _r_a[16];
 180 } __attribute__ ((packed));
 181 
 182 /* This struct asd_ddb_sata_pm_port, describes the SATA port multiplier
 183  * port format DDB.
 184  */
 185 struct asd_ddb_sata_pm_port {
 186         u8     _r_a[15];
 187         u8     ddb_type;
 188         u8     _r_b[13];
 189         u8     pm_port_flags;
 190 #define PM_PORT_MASK  0xF0
 191 #define PM_PORT_SET   0x02
 192         u8     _r_c[6];
 193         __le16 sister_ddb;
 194         __le16 ata_cmd_scbptr;
 195         __le32 sata_tag_alloc_mask;
 196         __le16 active_task_count;
 197         __le16 parent_ddb;
 198         __le32 sata_sactive;
 199         u8     num_sata_tags;
 200         u8     sata_status;
 201         u8     sata_ending_status;
 202         u8     _r_d[9];
 203 } __attribute__ ((packed));
 204 
 205 /* This struct asd_ddb_seq_shared, describes a DDB shared by the
 206  * central and link sequencers.  port_map_by_links is indexed phy
 207  * number [0,7]; each byte is a bit mask of all the phys that are in
 208  * the same port as the indexed phy.
 209  */
 210 struct asd_ddb_seq_shared {
 211         __le16 q_free_ddb_head;
 212         __le16 q_free_ddb_tail;
 213         __le16 q_free_ddb_cnt;
 214         __le16 q_used_ddb_head;
 215         __le16 q_used_ddb_tail;
 216         __le16 shared_mem_lock;
 217         __le16 smp_conn_tag;
 218         __le16 est_nexus_buf_cnt;
 219         __le16 est_nexus_buf_thresh;
 220         u32    _r_a;
 221         u8     settable_max_contexts;
 222         u8     _r_b[23];
 223         u8     conn_not_active;
 224         u8     phy_is_up;
 225         u8     _r_c[8];
 226         u8     port_map_by_links[8];
 227 } __attribute__ ((packed));
 228 
 229 /* ---------- SG Element ---------- */
 230 
 231 /* This struct sg_el, describes the hardware scatter gather buffer
 232  * element.  All entries are little endian.  In an SCB, there are 2 of
 233  * this, plus one more, called a link element of this indicating a
 234  * sublist if needed.
 235  *
 236  * A link element has only the bus address set and the flags (DS) bit
 237  * valid.  The bus address points to the start of the sublist.
 238  *
 239  * If a sublist is needed, then that sublist should also include the 2
 240  * sg_el embedded in the SCB, in which case next_sg_offset is 32,
 241  * since sizeof(sg_el) = 16; EOS should be 1 and EOL 0 in this case.
 242  */
 243 struct sg_el {
 244         __le64 bus_addr;
 245         __le32 size;
 246         __le16 _r;
 247         u8     next_sg_offs;
 248         u8     flags;
 249 #define ASD_SG_EL_DS_MASK   0x30
 250 #define ASD_SG_EL_DS_OCM    0x10
 251 #define ASD_SG_EL_DS_HM     0x00
 252 #define ASD_SG_EL_LIST_MASK 0xC0
 253 #define ASD_SG_EL_LIST_EOL  0x40
 254 #define ASD_SG_EL_LIST_EOS  0x80
 255 } __attribute__ ((packed));
 256 
 257 /* ---------- SCBs ---------- */
 258 
 259 /* An SCB (sequencer control block) is comprised of a common header
 260  * and a task part, for a total of 128 bytes.  All fields are in LE
 261  * order, unless otherwise noted.
 262  */
 263 
 264 /* This struct scb_header, defines the SCB header format.
 265  */
 266 struct scb_header {
 267         __le64 next_scb;
 268         __le16 index;             /* transaction context */
 269         u8     opcode;
 270 } __attribute__ ((packed));
 271 
 272 /* SCB opcodes: Execution queue
 273  */
 274 #define INITIATE_SSP_TASK       0x00
 275 #define INITIATE_LONG_SSP_TASK  0x01
 276 #define INITIATE_BIDIR_SSP_TASK 0x02
 277 #define SCB_ABORT_TASK          0x03
 278 #define INITIATE_SSP_TMF        0x04
 279 #define SSP_TARG_GET_DATA       0x05
 280 #define SSP_TARG_GET_DATA_GOOD  0x06
 281 #define SSP_TARG_SEND_RESP      0x07
 282 #define QUERY_SSP_TASK          0x08
 283 #define INITIATE_ATA_TASK       0x09
 284 #define INITIATE_ATAPI_TASK     0x0a
 285 #define CONTROL_ATA_DEV         0x0b
 286 #define INITIATE_SMP_TASK       0x0c
 287 #define SMP_TARG_SEND_RESP      0x0f
 288 
 289 /* SCB opcodes: Send Queue
 290  */
 291 #define SSP_TARG_SEND_DATA      0x40
 292 #define SSP_TARG_SEND_DATA_GOOD 0x41
 293 
 294 /* SCB opcodes: Link Queue
 295  */
 296 #define CONTROL_PHY             0x80
 297 #define SEND_PRIMITIVE          0x81
 298 #define INITIATE_LINK_ADM_TASK  0x82
 299 
 300 /* SCB opcodes: other
 301  */
 302 #define EMPTY_SCB               0xc0
 303 #define INITIATE_SEQ_ADM_TASK   0xc1
 304 #define EST_ICL_TARG_WINDOW     0xc2
 305 #define COPY_MEM                0xc3
 306 #define CLEAR_NEXUS             0xc4
 307 #define INITIATE_DDB_ADM_TASK   0xc6
 308 #define ESTABLISH_NEXUS_ESCB    0xd0
 309 
 310 #define LUN_SIZE                8
 311 
 312 #define EFB_MASK                0x80
 313 #define TASK_PRIO_MASK          0x78
 314 #define TASK_ATTR_MASK          0x07
 315 /* ---------- SCB tasks ---------- */
 316 
 317 /* This is both ssp_task and long_ssp_task
 318  */
 319 struct initiate_ssp_task {
 320         u8     proto_conn_rate;   /* proto:6,4, conn_rate:3,0 */
 321         __le32 total_xfer_len;
 322         struct ssp_frame_hdr  ssp_frame;
 323         struct ssp_command_iu ssp_cmd;
 324         __le16 sister_scb;        /* 0xFFFF */
 325         __le16 conn_handle;       /* index to DDB for the intended target */
 326         u8     data_dir;          /* :1,0 */
 327 #define DATA_DIR_NONE   0x00
 328 #define DATA_DIR_IN     0x01
 329 #define DATA_DIR_OUT    0x02
 330 #define DATA_DIR_BYRECIPIENT 0x03
 331 
 332         u8     _r_a;
 333         u8     retry_count;
 334         u8     _r_b[5];
 335         struct sg_el sg_element[3]; /* 2 real and 1 link */
 336 } __attribute__ ((packed));
 337 
 338 /* This defines both ata_task and atapi_task.
 339  * ata: C bit of FIS should be 1,
 340  * atapi: C bit of FIS should be 1, and command register should be 0xA0,
 341  * to indicate a packet command.
 342  */
 343 struct initiate_ata_task {
 344         u8     proto_conn_rate;
 345         __le32 total_xfer_len;
 346         struct host_to_dev_fis fis;
 347         __le32 data_offs;
 348         u8     atapi_packet[16];
 349         u8     _r_a[12];
 350         __le16 sister_scb;
 351         __le16 conn_handle;
 352         u8     ata_flags;         /* CSMI:6,6, DTM:4,4, QT:3,3, data dir:1,0 */
 353 #define CSMI_TASK           0x40
 354 #define DATA_XFER_MODE_DMA  0x10
 355 #define ATA_Q_TYPE_MASK     0x08
 356 #define ATA_Q_TYPE_UNTAGGED 0x00
 357 #define ATA_Q_TYPE_NCQ      0x08
 358 
 359         u8     _r_b;
 360         u8     retry_count;
 361         u8     _r_c;
 362         u8     flags;
 363 #define STP_AFFIL_POLICY   0x20
 364 #define SET_AFFIL_POLICY   0x10
 365 #define RET_PARTIAL_SGLIST 0x02
 366 
 367         u8     _r_d[3];
 368         struct sg_el sg_element[3];
 369 } __attribute__ ((packed));
 370 
 371 struct initiate_smp_task {
 372         u8     proto_conn_rate;
 373         u8     _r_a[40];
 374         struct sg_el smp_req;
 375         __le16 sister_scb;
 376         __le16 conn_handle;
 377         u8     _r_c[8];
 378         struct sg_el smp_resp;
 379         u8     _r_d[32];
 380 } __attribute__ ((packed));
 381 
 382 struct control_phy {
 383         u8     phy_id;
 384         u8     sub_func;
 385 #define DISABLE_PHY            0x00
 386 #define ENABLE_PHY             0x01
 387 #define RELEASE_SPINUP_HOLD    0x02
 388 #define ENABLE_PHY_NO_SAS_OOB  0x03
 389 #define ENABLE_PHY_NO_SATA_OOB 0x04
 390 #define PHY_NO_OP              0x05
 391 #define EXECUTE_HARD_RESET     0x81
 392 
 393         u8     func_mask;
 394         u8     speed_mask;
 395         u8     hot_plug_delay;
 396         u8     port_type;
 397         u8     flags;
 398 #define DEV_PRES_TIMER_OVERRIDE_ENABLE 0x01
 399 #define DISABLE_PHY_IF_OOB_FAILS       0x02
 400 
 401         __le32 timeout_override;
 402         u8     link_reset_retries;
 403         u8     _r_a[47];
 404         __le16 conn_handle;
 405         u8     _r_b[56];
 406 } __attribute__ ((packed));
 407 
 408 struct control_ata_dev {
 409         u8     proto_conn_rate;
 410         __le32 _r_a;
 411         struct host_to_dev_fis fis;
 412         u8     _r_b[32];
 413         __le16 sister_scb;
 414         __le16 conn_handle;
 415         u8     ata_flags;         /* 0 */
 416         u8     _r_c[55];
 417 } __attribute__ ((packed));
 418 
 419 struct empty_scb {
 420         u8     num_valid;
 421         __le32 _r_a;
 422 #define ASD_EDBS_PER_SCB 7
 423 /* header+data+CRC+DMA suffix data */
 424 #define ASD_EDB_SIZE (24+1024+4+16)
 425         struct sg_el eb[ASD_EDBS_PER_SCB];
 426 #define ELEMENT_NOT_VALID  0xC0
 427 } __attribute__ ((packed));
 428 
 429 struct initiate_link_adm {
 430         u8     phy_id;
 431         u8     sub_func;
 432 #define GET_LINK_ERROR_COUNT      0x00
 433 #define RESET_LINK_ERROR_COUNT    0x01
 434 #define ENABLE_NOTIFY_SPINUP_INTS 0x02
 435 
 436         u8     _r_a[57];
 437         __le16 conn_handle;
 438         u8     _r_b[56];
 439 } __attribute__ ((packed));
 440 
 441 struct copy_memory {
 442         u8     _r_a;
 443         __le16 xfer_len;
 444         __le16 _r_b;
 445         __le64 src_busaddr;
 446         u8     src_ds;            /* See definition of sg_el */
 447         u8     _r_c[45];
 448         __le16 conn_handle;
 449         __le64 _r_d;
 450         __le64 dest_busaddr;
 451         u8     dest_ds;           /* See definition of sg_el */
 452         u8     _r_e[39];
 453 } __attribute__ ((packed));
 454 
 455 struct abort_task {
 456         u8     proto_conn_rate;
 457         __le32 _r_a;
 458         struct ssp_frame_hdr ssp_frame;
 459         struct ssp_tmf_iu ssp_task;
 460         __le16 sister_scb;
 461         __le16 conn_handle;
 462         u8     flags;     /* ovrd_itnl_timer:3,3, suspend_data_trans:2,2 */
 463 #define SUSPEND_DATA_TRANS 0x04
 464 
 465         u8     _r_b;
 466         u8     retry_count;
 467         u8     _r_c[5];
 468         __le16 index;  /* Transaction context of task to be queried */
 469         __le16 itnl_to;
 470         u8     _r_d[44];
 471 } __attribute__ ((packed));
 472 
 473 struct clear_nexus {
 474         u8     nexus;
 475 #define NEXUS_ADAPTER  0x00
 476 #define NEXUS_PORT     0x01
 477 #define NEXUS_I_T      0x02
 478 #define NEXUS_I_T_L    0x03
 479 #define NEXUS_TAG      0x04
 480 #define NEXUS_TRANS_CX 0x05
 481 #define NEXUS_SATA_TAG 0x06
 482 #define NEXUS_T_L      0x07
 483 #define NEXUS_L        0x08
 484 #define NEXUS_T_TAG    0x09
 485 
 486         __le32 _r_a;
 487         u8     flags;
 488 #define SUSPEND_TX     0x80
 489 #define RESUME_TX      0x40
 490 #define SEND_Q         0x04
 491 #define EXEC_Q         0x02
 492 #define NOTINQ         0x01
 493 
 494         u8     _r_b[3];
 495         u8     conn_mask;
 496         u8     _r_c[19];
 497         struct ssp_tmf_iu ssp_task; /* LUN and TAG */
 498         __le16 _r_d;
 499         __le16 conn_handle;
 500         __le64 _r_e;
 501         __le16 index;  /* Transaction context of task to be cleared */
 502         __le16 context;           /* Clear nexus context */
 503         u8     _r_f[44];
 504 } __attribute__ ((packed));
 505 
 506 struct initiate_ssp_tmf {
 507         u8     proto_conn_rate;
 508         __le32 _r_a;
 509         struct ssp_frame_hdr ssp_frame;
 510         struct ssp_tmf_iu ssp_task;
 511         __le16 sister_scb;
 512         __le16 conn_handle;
 513         u8     flags;     /* itnl override and suspend data tx */
 514 #define OVERRIDE_ITNL_TIMER  8
 515 
 516         u8     _r_b;
 517         u8     retry_count;
 518         u8     _r_c[5];
 519         __le16 index;  /* Transaction context of task to be queried */
 520         __le16 itnl_to;
 521         u8     _r_d[44];
 522 } __attribute__ ((packed));
 523 
 524 /* Transmits an arbitrary primitive on the link.
 525  * Used for NOTIFY and BROADCAST.
 526  */
 527 struct send_prim {
 528         u8     phy_id;
 529         u8     wait_transmit;     /* :0,0 */
 530         u8     xmit_flags;
 531 #define XMTPSIZE_MASK      0xF0
 532 #define XMTPSIZE_SINGLE    0x10
 533 #define XMTPSIZE_REPEATED  0x20
 534 #define XMTPSIZE_CONT      0x20
 535 #define XMTPSIZE_TRIPLE    0x30
 536 #define XMTPSIZE_REDUNDANT 0x60
 537 #define XMTPSIZE_INF       0
 538 
 539 #define XMTCONTEN          0x04
 540 #define XMTPFRM            0x02   /* Transmit at the next frame boundary */
 541 #define XMTPIMM            0x01   /* Transmit immediately */
 542 
 543         __le16 _r_a;
 544         u8     prim[4];           /* K, D0, D1, D2 */
 545         u8     _r_b[50];
 546         __le16 conn_handle;
 547         u8     _r_c[56];
 548 } __attribute__ ((packed));
 549 
 550 /* This describes both SSP Target Get Data and SSP Target Get Data And
 551  * Send Good Response SCBs.  Used when the sequencer is operating in
 552  * target mode...
 553  */
 554 struct ssp_targ_get_data {
 555         u8     proto_conn_rate;
 556         __le32 total_xfer_len;
 557         struct ssp_frame_hdr ssp_frame;
 558         struct xfer_rdy_iu  xfer_rdy;
 559         u8     lun[LUN_SIZE];
 560         __le64 _r_a;
 561         __le16 sister_scb;
 562         __le16 conn_handle;
 563         u8     data_dir;          /* 01b */
 564         u8     _r_b;
 565         u8     retry_count;
 566         u8     _r_c[5];
 567         struct sg_el sg_element[3];
 568 } __attribute__ ((packed));
 569 
 570 /* ---------- The actual SCB struct ---------- */
 571 
 572 struct scb {
 573         struct scb_header header;
 574         union {
 575                 struct initiate_ssp_task ssp_task;
 576                 struct initiate_ata_task ata_task;
 577                 struct initiate_smp_task smp_task;
 578                 struct control_phy       control_phy;
 579                 struct control_ata_dev   control_ata_dev;
 580                 struct empty_scb         escb;
 581                 struct initiate_link_adm link_adm;
 582                 struct copy_memory       cp_mem;
 583                 struct abort_task        abort_task;
 584                 struct clear_nexus       clear_nexus;
 585                 struct initiate_ssp_tmf  ssp_tmf;
 586         };
 587 } __attribute__ ((packed));
 588 
 589 /* ---------- Done List ---------- */
 590 /* The done list entry opcode field is defined below.
 591  * The mnemonic encoding and meaning is as follows:
 592  * TC - Task Complete, status was received and acknowledged
 593  * TF - Task Failed, indicates an error prior to receiving acknowledgment
 594  *   for the command:
 595  *   - no conn,
 596  *   - NACK or R_ERR received in response to this command,
 597  *   - credit blocked or not available, or in the case of SMP request,
 598  *   - no SMP response was received.
 599  *   In these four cases it is known that the target didn't receive the
 600  *   command.
 601  * TI - Task Interrupted, error after the command was acknowledged.  It is
 602  *   known that the command was received by the target.
 603  * TU - Task Unacked, command was transmitted but neither ACK (R_OK) nor NAK
 604  *   (R_ERR) was received due to loss of signal, broken connection, loss of
 605  *   dword sync or other reason.  The application client should send the
 606  *   appropriate task query.
 607  * TA - Task Aborted, see TF.
 608  * _RESP - The completion includes an empty buffer containing status.
 609  * TO - Timeout.
 610  */
 611 #define TC_NO_ERROR             0x00
 612 #define TC_UNDERRUN             0x01
 613 #define TC_OVERRUN              0x02
 614 #define TF_OPEN_TO              0x03
 615 #define TF_OPEN_REJECT          0x04
 616 #define TI_BREAK                0x05
 617 #define TI_PROTO_ERR            0x06
 618 #define TC_SSP_RESP             0x07
 619 #define TI_PHY_DOWN             0x08
 620 #define TF_PHY_DOWN             0x09
 621 #define TC_LINK_ADM_RESP        0x0a
 622 #define TC_CSMI                 0x0b
 623 #define TC_ATA_RESP             0x0c
 624 #define TU_PHY_DOWN             0x0d
 625 #define TU_BREAK                0x0e
 626 #define TI_SATA_TO              0x0f
 627 #define TI_NAK                  0x10
 628 #define TC_CONTROL_PHY          0x11
 629 #define TF_BREAK                0x12
 630 #define TC_RESUME               0x13
 631 #define TI_ACK_NAK_TO           0x14
 632 #define TF_SMPRSP_TO            0x15
 633 #define TF_SMP_XMIT_RCV_ERR     0x16
 634 #define TC_PARTIAL_SG_LIST      0x17
 635 #define TU_ACK_NAK_TO           0x18
 636 #define TU_SATA_TO              0x19
 637 #define TF_NAK_RECV             0x1a
 638 #define TA_I_T_NEXUS_LOSS       0x1b
 639 #define TC_ATA_R_ERR_RECV       0x1c
 640 #define TF_TMF_NO_CTX           0x1d
 641 #define TA_ON_REQ               0x1e
 642 #define TF_TMF_NO_TAG           0x1f
 643 #define TF_TMF_TAG_FREE         0x20
 644 #define TF_TMF_TASK_DONE        0x21
 645 #define TF_TMF_NO_CONN_HANDLE   0x22
 646 #define TC_TASK_CLEARED         0x23
 647 #define TI_SYNCS_RECV           0x24
 648 #define TU_SYNCS_RECV           0x25
 649 #define TF_IRTT_TO              0x26
 650 #define TF_NO_SMP_CONN          0x27
 651 #define TF_IU_SHORT             0x28
 652 #define TF_DATA_OFFS_ERR        0x29
 653 #define TF_INV_CONN_HANDLE      0x2a
 654 #define TF_REQUESTED_N_PENDING  0x2b
 655 
 656 /* 0xc1 - 0xc7: empty buffer received,
 657    0xd1 - 0xd7: establish nexus empty buffer received
 658 */
 659 /* This is the ESCB mask */
 660 #define ESCB_RECVD              0xC0
 661 
 662 
 663 /* This struct done_list_struct defines the done list entry.
 664  * All fields are LE.
 665  */
 666 struct done_list_struct {
 667         __le16 index;             /* aka transaction context */
 668         u8     opcode;
 669         u8     status_block[4];
 670         u8     toggle;            /* bit 0 */
 671 #define DL_TOGGLE_MASK     0x01
 672 } __attribute__ ((packed));
 673 
 674 /* ---------- PHYS ---------- */
 675 
 676 struct asd_phy {
 677         struct asd_sas_phy        sas_phy;
 678         struct asd_phy_desc   *phy_desc; /* hw profile */
 679 
 680         struct sas_identify_frame *identify_frame;
 681         struct asd_dma_tok  *id_frm_tok;
 682         struct asd_port     *asd_port;
 683 
 684         u8         frame_rcvd[ASD_EDB_SIZE];
 685 };
 686 
 687 
 688 #define ASD_SCB_SIZE sizeof(struct scb)
 689 #define ASD_DDB_SIZE sizeof(struct asd_ddb_ssp_smp_target_port)
 690 
 691 /* Define this to 0 if you do not want NOTIFY (ENABLE SPINIP) sent.
 692  * Default: 0x10 (it's a mask)
 693  */
 694 #define ASD_NOTIFY_ENABLE_SPINUP  0x10
 695 
 696 /* If enabled, set this to the interval between transmission
 697  * of NOTIFY (ENABLE SPINUP). In units of 200 us.
 698  */
 699 #define ASD_NOTIFY_TIMEOUT        2500
 700 
 701 /* Initial delay after OOB, before we transmit NOTIFY (ENABLE SPINUP).
 702  * If 0, transmit immediately. In milliseconds.
 703  */
 704 #define ASD_NOTIFY_DOWN_COUNT     0
 705 
 706 /* Device present timer timeout constant, 10 ms. */
 707 #define ASD_DEV_PRESENT_TIMEOUT   0x2710
 708 
 709 #define ASD_SATA_INTERLOCK_TIMEOUT 0
 710 
 711 /* How long to wait before shutting down an STP connection, unless
 712  * an STP target sent frame(s). 50 usec.
 713  * IGNORED by the sequencer (i.e. value 0 always).
 714  */
 715 #define ASD_STP_SHUTDOWN_TIMEOUT  0x0
 716 
 717 /* ATA soft reset timer timeout. 5 usec. */
 718 #define ASD_SRST_ASSERT_TIMEOUT   0x05
 719 
 720 /* 31 sec */
 721 #define ASD_RCV_FIS_TIMEOUT       0x01D905C0
 722 
 723 #define ASD_ONE_MILLISEC_TIMEOUT  0x03e8
 724 
 725 /* COMINIT timer */
 726 #define ASD_TEN_MILLISEC_TIMEOUT  0x2710
 727 #define ASD_COMINIT_TIMEOUT ASD_TEN_MILLISEC_TIMEOUT
 728 
 729 /* 1 sec */
 730 #define ASD_SMP_RCV_TIMEOUT       0x000F4240
 731 
 732 #endif
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root/drivers/scsi/aic94xx/aic94xx_sas.h

INCLUDED FROM
