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v3.1
 
   1/*
   2 *  Linux MegaRAID driver for SAS based RAID controllers
   3 *
   4 *  Copyright (c) 2009-2011  LSI Corporation.
   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 2
   9 *  of the License, or (at your option) any later version.
  10 *
  11 *  This program is distributed in the hope that it will be useful,
  12 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 *  GNU General Public License for more details.
  15 *
  16 *  You should have received a copy of the GNU General Public License
  17 *  along with this program; if not, write to the Free Software
  18 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  19 *
  20 *  FILE: megaraid_sas.h
  21 *
  22 *  Authors: LSI Corporation
  23 *
  24 *  Send feedback to: <megaraidlinux@lsi.com>
  25 *
  26 *  Mail to: LSI Corporation, 1621 Barber Lane, Milpitas, CA 95035
  27 *     ATTN: Linuxraid
  28 */
  29
  30#ifndef LSI_MEGARAID_SAS_H
  31#define LSI_MEGARAID_SAS_H
  32
 
 
  33/*
  34 * MegaRAID SAS Driver meta data
  35 */
  36#define MEGASAS_VERSION				"00.00.05.40-rc1"
  37#define MEGASAS_RELDATE				"Jul. 26, 2011"
  38#define MEGASAS_EXT_VERSION			"Tue. Jul. 26 17:00:00 PDT 2011"
 
  39
  40/*
  41 * Device IDs
  42 */
  43#define	PCI_DEVICE_ID_LSI_SAS1078R		0x0060
  44#define	PCI_DEVICE_ID_LSI_SAS1078DE		0x007C
  45#define	PCI_DEVICE_ID_LSI_VERDE_ZCR		0x0413
  46#define	PCI_DEVICE_ID_LSI_SAS1078GEN2		0x0078
  47#define	PCI_DEVICE_ID_LSI_SAS0079GEN2		0x0079
  48#define	PCI_DEVICE_ID_LSI_SAS0073SKINNY		0x0073
  49#define	PCI_DEVICE_ID_LSI_SAS0071SKINNY		0x0071
  50#define	PCI_DEVICE_ID_LSI_FUSION		0x005b
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
  51
  52/*
  53 * =====================================
  54 * MegaRAID SAS MFI firmware definitions
  55 * =====================================
  56 */
  57
  58/*
  59 * MFI stands for  MegaRAID SAS FW Interface. This is just a moniker for 
  60 * protocol between the software and firmware. Commands are issued using
  61 * "message frames"
  62 */
  63
  64/*
  65 * FW posts its state in upper 4 bits of outbound_msg_0 register
  66 */
  67#define MFI_STATE_MASK				0xF0000000
  68#define MFI_STATE_UNDEFINED			0x00000000
  69#define MFI_STATE_BB_INIT			0x10000000
  70#define MFI_STATE_FW_INIT			0x40000000
  71#define MFI_STATE_WAIT_HANDSHAKE		0x60000000
  72#define MFI_STATE_FW_INIT_2			0x70000000
  73#define MFI_STATE_DEVICE_SCAN			0x80000000
  74#define MFI_STATE_BOOT_MESSAGE_PENDING		0x90000000
  75#define MFI_STATE_FLUSH_CACHE			0xA0000000
  76#define MFI_STATE_READY				0xB0000000
  77#define MFI_STATE_OPERATIONAL			0xC0000000
  78#define MFI_STATE_FAULT				0xF0000000
 
 
 
  79#define MFI_RESET_REQUIRED			0x00000001
  80#define MFI_RESET_ADAPTER			0x00000002
  81#define MEGAMFI_FRAME_SIZE			64
  82
 
 
  83/*
  84 * During FW init, clear pending cmds & reset state using inbound_msg_0
  85 *
  86 * ABORT	: Abort all pending cmds
  87 * READY	: Move from OPERATIONAL to READY state; discard queue info
  88 * MFIMODE	: Discard (possible) low MFA posted in 64-bit mode (??)
  89 * CLR_HANDSHAKE: FW is waiting for HANDSHAKE from BIOS or Driver
  90 * HOTPLUG	: Resume from Hotplug
  91 * MFI_STOP_ADP	: Send signal to FW to stop processing
 
  92 */
  93#define WRITE_SEQUENCE_OFFSET		(0x0000000FC) /* I20 */
  94#define HOST_DIAGNOSTIC_OFFSET		(0x000000F8)  /* I20 */
  95#define DIAG_WRITE_ENABLE			(0x00000080)
  96#define DIAG_RESET_ADAPTER			(0x00000004)
  97
  98#define MFI_ADP_RESET				0x00000040
  99#define MFI_INIT_ABORT				0x00000001
 100#define MFI_INIT_READY				0x00000002
 101#define MFI_INIT_MFIMODE			0x00000004
 102#define MFI_INIT_CLEAR_HANDSHAKE		0x00000008
 103#define MFI_INIT_HOTPLUG			0x00000010
 104#define MFI_STOP_ADP				0x00000020
 105#define MFI_RESET_FLAGS				MFI_INIT_READY| \
 106						MFI_INIT_MFIMODE| \
 107						MFI_INIT_ABORT
 
 
 108
 109/*
 110 * MFI frame flags
 111 */
 112#define MFI_FRAME_POST_IN_REPLY_QUEUE		0x0000
 113#define MFI_FRAME_DONT_POST_IN_REPLY_QUEUE	0x0001
 114#define MFI_FRAME_SGL32				0x0000
 115#define MFI_FRAME_SGL64				0x0002
 116#define MFI_FRAME_SENSE32			0x0000
 117#define MFI_FRAME_SENSE64			0x0004
 118#define MFI_FRAME_DIR_NONE			0x0000
 119#define MFI_FRAME_DIR_WRITE			0x0008
 120#define MFI_FRAME_DIR_READ			0x0010
 121#define MFI_FRAME_DIR_BOTH			0x0018
 122#define MFI_FRAME_IEEE                          0x0020
 123
 
 
 
 
 124/*
 125 * Definition for cmd_status
 126 */
 127#define MFI_CMD_STATUS_POLL_MODE		0xFF
 128
 129/*
 130 * MFI command opcodes
 131 */
 132#define MFI_CMD_INIT				0x00
 133#define MFI_CMD_LD_READ				0x01
 134#define MFI_CMD_LD_WRITE			0x02
 135#define MFI_CMD_LD_SCSI_IO			0x03
 136#define MFI_CMD_PD_SCSI_IO			0x04
 137#define MFI_CMD_DCMD				0x05
 138#define MFI_CMD_ABORT				0x06
 139#define MFI_CMD_SMP				0x07
 140#define MFI_CMD_STP				0x08
 
 
 
 
 
 
 141
 142#define MR_DCMD_CTRL_GET_INFO			0x01010000
 143#define MR_DCMD_LD_GET_LIST			0x03010000
 
 144
 145#define MR_DCMD_CTRL_CACHE_FLUSH		0x01101000
 146#define MR_FLUSH_CTRL_CACHE			0x01
 147#define MR_FLUSH_DISK_CACHE			0x02
 148
 149#define MR_DCMD_CTRL_SHUTDOWN			0x01050000
 150#define MR_DCMD_HIBERNATE_SHUTDOWN		0x01060000
 151#define MR_ENABLE_DRIVE_SPINDOWN		0x01
 152
 153#define MR_DCMD_CTRL_EVENT_GET_INFO		0x01040100
 154#define MR_DCMD_CTRL_EVENT_GET			0x01040300
 155#define MR_DCMD_CTRL_EVENT_WAIT			0x01040500
 156#define MR_DCMD_LD_GET_PROPERTIES		0x03030000
 157
 158#define MR_DCMD_CLUSTER				0x08000000
 159#define MR_DCMD_CLUSTER_RESET_ALL		0x08010100
 160#define MR_DCMD_CLUSTER_RESET_LD		0x08010200
 161#define MR_DCMD_PD_LIST_QUERY                   0x02010100
 162
 
 
 
 
 
 
 
 
 
 
 163/*
 164 * MFI command completion codes
 165 */
 166enum MFI_STAT {
 167	MFI_STAT_OK = 0x00,
 168	MFI_STAT_INVALID_CMD = 0x01,
 169	MFI_STAT_INVALID_DCMD = 0x02,
 170	MFI_STAT_INVALID_PARAMETER = 0x03,
 171	MFI_STAT_INVALID_SEQUENCE_NUMBER = 0x04,
 172	MFI_STAT_ABORT_NOT_POSSIBLE = 0x05,
 173	MFI_STAT_APP_HOST_CODE_NOT_FOUND = 0x06,
 174	MFI_STAT_APP_IN_USE = 0x07,
 175	MFI_STAT_APP_NOT_INITIALIZED = 0x08,
 176	MFI_STAT_ARRAY_INDEX_INVALID = 0x09,
 177	MFI_STAT_ARRAY_ROW_NOT_EMPTY = 0x0a,
 178	MFI_STAT_CONFIG_RESOURCE_CONFLICT = 0x0b,
 179	MFI_STAT_DEVICE_NOT_FOUND = 0x0c,
 180	MFI_STAT_DRIVE_TOO_SMALL = 0x0d,
 181	MFI_STAT_FLASH_ALLOC_FAIL = 0x0e,
 182	MFI_STAT_FLASH_BUSY = 0x0f,
 183	MFI_STAT_FLASH_ERROR = 0x10,
 184	MFI_STAT_FLASH_IMAGE_BAD = 0x11,
 185	MFI_STAT_FLASH_IMAGE_INCOMPLETE = 0x12,
 186	MFI_STAT_FLASH_NOT_OPEN = 0x13,
 187	MFI_STAT_FLASH_NOT_STARTED = 0x14,
 188	MFI_STAT_FLUSH_FAILED = 0x15,
 189	MFI_STAT_HOST_CODE_NOT_FOUNT = 0x16,
 190	MFI_STAT_LD_CC_IN_PROGRESS = 0x17,
 191	MFI_STAT_LD_INIT_IN_PROGRESS = 0x18,
 192	MFI_STAT_LD_LBA_OUT_OF_RANGE = 0x19,
 193	MFI_STAT_LD_MAX_CONFIGURED = 0x1a,
 194	MFI_STAT_LD_NOT_OPTIMAL = 0x1b,
 195	MFI_STAT_LD_RBLD_IN_PROGRESS = 0x1c,
 196	MFI_STAT_LD_RECON_IN_PROGRESS = 0x1d,
 197	MFI_STAT_LD_WRONG_RAID_LEVEL = 0x1e,
 198	MFI_STAT_MAX_SPARES_EXCEEDED = 0x1f,
 199	MFI_STAT_MEMORY_NOT_AVAILABLE = 0x20,
 200	MFI_STAT_MFC_HW_ERROR = 0x21,
 201	MFI_STAT_NO_HW_PRESENT = 0x22,
 202	MFI_STAT_NOT_FOUND = 0x23,
 203	MFI_STAT_NOT_IN_ENCL = 0x24,
 204	MFI_STAT_PD_CLEAR_IN_PROGRESS = 0x25,
 205	MFI_STAT_PD_TYPE_WRONG = 0x26,
 206	MFI_STAT_PR_DISABLED = 0x27,
 207	MFI_STAT_ROW_INDEX_INVALID = 0x28,
 208	MFI_STAT_SAS_CONFIG_INVALID_ACTION = 0x29,
 209	MFI_STAT_SAS_CONFIG_INVALID_DATA = 0x2a,
 210	MFI_STAT_SAS_CONFIG_INVALID_PAGE = 0x2b,
 211	MFI_STAT_SAS_CONFIG_INVALID_TYPE = 0x2c,
 212	MFI_STAT_SCSI_DONE_WITH_ERROR = 0x2d,
 213	MFI_STAT_SCSI_IO_FAILED = 0x2e,
 214	MFI_STAT_SCSI_RESERVATION_CONFLICT = 0x2f,
 215	MFI_STAT_SHUTDOWN_FAILED = 0x30,
 216	MFI_STAT_TIME_NOT_SET = 0x31,
 217	MFI_STAT_WRONG_STATE = 0x32,
 218	MFI_STAT_LD_OFFLINE = 0x33,
 219	MFI_STAT_PEER_NOTIFICATION_REJECTED = 0x34,
 220	MFI_STAT_PEER_NOTIFICATION_FAILED = 0x35,
 221	MFI_STAT_RESERVATION_IN_PROGRESS = 0x36,
 222	MFI_STAT_I2C_ERRORS_DETECTED = 0x37,
 223	MFI_STAT_PCI_ERRORS_DETECTED = 0x38,
 
 224
 225	MFI_STAT_INVALID_STATUS = 0xFF
 226};
 227
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 228/*
 229 * Number of mailbox bytes in DCMD message frame
 230 */
 231#define MFI_MBOX_SIZE				12
 232
 233enum MR_EVT_CLASS {
 234
 235	MR_EVT_CLASS_DEBUG = -2,
 236	MR_EVT_CLASS_PROGRESS = -1,
 237	MR_EVT_CLASS_INFO = 0,
 238	MR_EVT_CLASS_WARNING = 1,
 239	MR_EVT_CLASS_CRITICAL = 2,
 240	MR_EVT_CLASS_FATAL = 3,
 241	MR_EVT_CLASS_DEAD = 4,
 242
 243};
 244
 245enum MR_EVT_LOCALE {
 246
 247	MR_EVT_LOCALE_LD = 0x0001,
 248	MR_EVT_LOCALE_PD = 0x0002,
 249	MR_EVT_LOCALE_ENCL = 0x0004,
 250	MR_EVT_LOCALE_BBU = 0x0008,
 251	MR_EVT_LOCALE_SAS = 0x0010,
 252	MR_EVT_LOCALE_CTRL = 0x0020,
 253	MR_EVT_LOCALE_CONFIG = 0x0040,
 254	MR_EVT_LOCALE_CLUSTER = 0x0080,
 255	MR_EVT_LOCALE_ALL = 0xffff,
 256
 257};
 258
 259enum MR_EVT_ARGS {
 260
 261	MR_EVT_ARGS_NONE,
 262	MR_EVT_ARGS_CDB_SENSE,
 263	MR_EVT_ARGS_LD,
 264	MR_EVT_ARGS_LD_COUNT,
 265	MR_EVT_ARGS_LD_LBA,
 266	MR_EVT_ARGS_LD_OWNER,
 267	MR_EVT_ARGS_LD_LBA_PD_LBA,
 268	MR_EVT_ARGS_LD_PROG,
 269	MR_EVT_ARGS_LD_STATE,
 270	MR_EVT_ARGS_LD_STRIP,
 271	MR_EVT_ARGS_PD,
 272	MR_EVT_ARGS_PD_ERR,
 273	MR_EVT_ARGS_PD_LBA,
 274	MR_EVT_ARGS_PD_LBA_LD,
 275	MR_EVT_ARGS_PD_PROG,
 276	MR_EVT_ARGS_PD_STATE,
 277	MR_EVT_ARGS_PCI,
 278	MR_EVT_ARGS_RATE,
 279	MR_EVT_ARGS_STR,
 280	MR_EVT_ARGS_TIME,
 281	MR_EVT_ARGS_ECC,
 282	MR_EVT_ARGS_LD_PROP,
 283	MR_EVT_ARGS_PD_SPARE,
 284	MR_EVT_ARGS_PD_INDEX,
 285	MR_EVT_ARGS_DIAG_PASS,
 286	MR_EVT_ARGS_DIAG_FAIL,
 287	MR_EVT_ARGS_PD_LBA_LBA,
 288	MR_EVT_ARGS_PORT_PHY,
 289	MR_EVT_ARGS_PD_MISSING,
 290	MR_EVT_ARGS_PD_ADDRESS,
 291	MR_EVT_ARGS_BITMAP,
 292	MR_EVT_ARGS_CONNECTOR,
 293	MR_EVT_ARGS_PD_PD,
 294	MR_EVT_ARGS_PD_FRU,
 295	MR_EVT_ARGS_PD_PATHINFO,
 296	MR_EVT_ARGS_PD_POWER_STATE,
 297	MR_EVT_ARGS_GENERIC,
 298};
 299
 
 
 
 300/*
 301 * define constants for device list query options
 302 */
 303enum MR_PD_QUERY_TYPE {
 304	MR_PD_QUERY_TYPE_ALL                = 0,
 305	MR_PD_QUERY_TYPE_STATE              = 1,
 306	MR_PD_QUERY_TYPE_POWER_STATE        = 2,
 307	MR_PD_QUERY_TYPE_MEDIA_TYPE         = 3,
 308	MR_PD_QUERY_TYPE_SPEED              = 4,
 309	MR_PD_QUERY_TYPE_EXPOSED_TO_HOST    = 5,
 310};
 311
 
 
 
 
 
 
 
 
 
 312#define MR_EVT_CFG_CLEARED                              0x0004
 313#define MR_EVT_LD_STATE_CHANGE                          0x0051
 314#define MR_EVT_PD_INSERTED                              0x005b
 315#define MR_EVT_PD_REMOVED                               0x0070
 316#define MR_EVT_LD_CREATED                               0x008a
 317#define MR_EVT_LD_DELETED                               0x008b
 318#define MR_EVT_FOREIGN_CFG_IMPORTED                     0x00db
 319#define MR_EVT_LD_OFFLINE                               0x00fc
 320#define MR_EVT_CTRL_HOST_BUS_SCAN_REQUESTED             0x0152
 321#define MAX_LOGICAL_DRIVES				64
 322
 323enum MR_PD_STATE {
 324	MR_PD_STATE_UNCONFIGURED_GOOD   = 0x00,
 325	MR_PD_STATE_UNCONFIGURED_BAD    = 0x01,
 326	MR_PD_STATE_HOT_SPARE           = 0x02,
 327	MR_PD_STATE_OFFLINE             = 0x10,
 328	MR_PD_STATE_FAILED              = 0x11,
 329	MR_PD_STATE_REBUILD             = 0x14,
 330	MR_PD_STATE_ONLINE              = 0x18,
 331	MR_PD_STATE_COPYBACK            = 0x20,
 332	MR_PD_STATE_SYSTEM              = 0x40,
 333 };
 334
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 335
 336 /*
 337 * defines the physical drive address structure
 338 */
 339struct MR_PD_ADDRESS {
 340	u16     deviceId;
 341	u16     enclDeviceId;
 342
 343	union {
 344		struct {
 345			u8  enclIndex;
 346			u8  slotNumber;
 347		} mrPdAddress;
 348		struct {
 349			u8  enclPosition;
 350			u8  enclConnectorIndex;
 351		} mrEnclAddress;
 352	};
 353	u8      scsiDevType;
 354	union {
 355		u8      connectedPortBitmap;
 356		u8      connectedPortNumbers;
 357	};
 358	u64     sasAddr[2];
 359} __packed;
 360
 361/*
 362 * defines the physical drive list structure
 363 */
 364struct MR_PD_LIST {
 365	u32             size;
 366	u32             count;
 367	struct MR_PD_ADDRESS   addr[1];
 368} __packed;
 369
 370struct megasas_pd_list {
 371	u16             tid;
 372	u8             driveType;
 373	u8             driveState;
 374} __packed;
 375
 376 /*
 377 * defines the logical drive reference structure
 378 */
 379union  MR_LD_REF {
 380	struct {
 381		u8      targetId;
 382		u8      reserved;
 383		u16     seqNum;
 384	};
 385	u32     ref;
 386} __packed;
 387
 388/*
 389 * defines the logical drive list structure
 390 */
 391struct MR_LD_LIST {
 392	u32     ldCount;
 393	u32     reserved;
 394	struct {
 395		union MR_LD_REF   ref;
 396		u8          state;
 397		u8          reserved[3];
 398		u64         size;
 399	} ldList[MAX_LOGICAL_DRIVES];
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 400} __packed;
 401
 
 
 
 
 
 
 
 
 
 
 
 
 402/*
 403 * SAS controller properties
 404 */
 405struct megasas_ctrl_prop {
 406
 407	u16 seq_num;
 408	u16 pred_fail_poll_interval;
 409	u16 intr_throttle_count;
 410	u16 intr_throttle_timeouts;
 411	u8 rebuild_rate;
 412	u8 patrol_read_rate;
 413	u8 bgi_rate;
 414	u8 cc_rate;
 415	u8 recon_rate;
 416	u8 cache_flush_interval;
 417	u8 spinup_drv_count;
 418	u8 spinup_delay;
 419	u8 cluster_enable;
 420	u8 coercion_mode;
 421	u8 alarm_enable;
 422	u8 disable_auto_rebuild;
 423	u8 disable_battery_warn;
 424	u8 ecc_bucket_size;
 425	u16 ecc_bucket_leak_rate;
 426	u8 restore_hotspare_on_insertion;
 427	u8 expose_encl_devices;
 428	u8 maintainPdFailHistory;
 429	u8 disallowHostRequestReordering;
 430	u8 abortCCOnError;
 431	u8 loadBalanceMode;
 432	u8 disableAutoDetectBackplane;
 433
 434	u8 snapVDSpace;
 435
 436	/*
 437	* Add properties that can be controlled by
 438	* a bit in the following structure.
 439	*/
 440	struct {
 441		u32     copyBackDisabled            : 1;
 442		u32     SMARTerEnabled              : 1;
 443		u32     prCorrectUnconfiguredAreas  : 1;
 444		u32     useFdeOnly                  : 1;
 445		u32     disableNCQ                  : 1;
 446		u32     SSDSMARTerEnabled           : 1;
 447		u32     SSDPatrolReadEnabled        : 1;
 448		u32     enableSpinDownUnconfigured  : 1;
 449		u32     autoEnhancedImport          : 1;
 450		u32     enableSecretKeyControl      : 1;
 451		u32     disableOnlineCtrlReset      : 1;
 452		u32     allowBootWithPinnedCache    : 1;
 453		u32     disableSpinDownHS           : 1;
 454		u32     enableJBOD                  : 1;
 455		u32     reserved                    :18;
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 456	} OnOffProperties;
 457	u8 autoSnapVDSpace;
 458	u8 viewSpace;
 459	u16 spinDownTime;
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 460	u8  reserved[24];
 461} __packed;
 462
 463/*
 464 * SAS controller information
 465 */
 466struct megasas_ctrl_info {
 467
 468	/*
 469	 * PCI device information
 470	 */
 471	struct {
 472
 473		u16 vendor_id;
 474		u16 device_id;
 475		u16 sub_vendor_id;
 476		u16 sub_device_id;
 477		u8 reserved[24];
 478
 479	} __attribute__ ((packed)) pci;
 480
 481	/*
 482	 * Host interface information
 483	 */
 484	struct {
 485
 486		u8 PCIX:1;
 487		u8 PCIE:1;
 488		u8 iSCSI:1;
 489		u8 SAS_3G:1;
 490		u8 reserved_0:4;
 
 491		u8 reserved_1[6];
 492		u8 port_count;
 493		u64 port_addr[8];
 494
 495	} __attribute__ ((packed)) host_interface;
 496
 497	/*
 498	 * Device (backend) interface information
 499	 */
 500	struct {
 501
 502		u8 SPI:1;
 503		u8 SAS_3G:1;
 504		u8 SATA_1_5G:1;
 505		u8 SATA_3G:1;
 506		u8 reserved_0:4;
 507		u8 reserved_1[6];
 508		u8 port_count;
 509		u64 port_addr[8];
 510
 511	} __attribute__ ((packed)) device_interface;
 512
 513	/*
 514	 * List of components residing in flash. All str are null terminated
 515	 */
 516	u32 image_check_word;
 517	u32 image_component_count;
 518
 519	struct {
 520
 521		char name[8];
 522		char version[32];
 523		char build_date[16];
 524		char built_time[16];
 525
 526	} __attribute__ ((packed)) image_component[8];
 527
 528	/*
 529	 * List of flash components that have been flashed on the card, but
 530	 * are not in use, pending reset of the adapter. This list will be
 531	 * empty if a flash operation has not occurred. All stings are null
 532	 * terminated
 533	 */
 534	u32 pending_image_component_count;
 535
 536	struct {
 537
 538		char name[8];
 539		char version[32];
 540		char build_date[16];
 541		char build_time[16];
 542
 543	} __attribute__ ((packed)) pending_image_component[8];
 544
 545	u8 max_arms;
 546	u8 max_spans;
 547	u8 max_arrays;
 548	u8 max_lds;
 549
 550	char product_name[80];
 551	char serial_no[32];
 552
 553	/*
 554	 * Other physical/controller/operation information. Indicates the
 555	 * presence of the hardware
 556	 */
 557	struct {
 558
 559		u32 bbu:1;
 560		u32 alarm:1;
 561		u32 nvram:1;
 562		u32 uart:1;
 563		u32 reserved:28;
 564
 565	} __attribute__ ((packed)) hw_present;
 566
 567	u32 current_fw_time;
 568
 569	/*
 570	 * Maximum data transfer sizes
 571	 */
 572	u16 max_concurrent_cmds;
 573	u16 max_sge_count;
 574	u32 max_request_size;
 575
 576	/*
 577	 * Logical and physical device counts
 578	 */
 579	u16 ld_present_count;
 580	u16 ld_degraded_count;
 581	u16 ld_offline_count;
 582
 583	u16 pd_present_count;
 584	u16 pd_disk_present_count;
 585	u16 pd_disk_pred_failure_count;
 586	u16 pd_disk_failed_count;
 587
 588	/*
 589	 * Memory size information
 590	 */
 591	u16 nvram_size;
 592	u16 memory_size;
 593	u16 flash_size;
 594
 595	/*
 596	 * Error counters
 597	 */
 598	u16 mem_correctable_error_count;
 599	u16 mem_uncorrectable_error_count;
 600
 601	/*
 602	 * Cluster information
 603	 */
 604	u8 cluster_permitted;
 605	u8 cluster_active;
 606
 607	/*
 608	 * Additional max data transfer sizes
 609	 */
 610	u16 max_strips_per_io;
 611
 612	/*
 613	 * Controller capabilities structures
 614	 */
 615	struct {
 616
 617		u32 raid_level_0:1;
 618		u32 raid_level_1:1;
 619		u32 raid_level_5:1;
 620		u32 raid_level_1E:1;
 621		u32 raid_level_6:1;
 622		u32 reserved:27;
 623
 624	} __attribute__ ((packed)) raid_levels;
 625
 626	struct {
 627
 628		u32 rbld_rate:1;
 629		u32 cc_rate:1;
 630		u32 bgi_rate:1;
 631		u32 recon_rate:1;
 632		u32 patrol_rate:1;
 633		u32 alarm_control:1;
 634		u32 cluster_supported:1;
 635		u32 bbu:1;
 636		u32 spanning_allowed:1;
 637		u32 dedicated_hotspares:1;
 638		u32 revertible_hotspares:1;
 639		u32 foreign_config_import:1;
 640		u32 self_diagnostic:1;
 641		u32 mixed_redundancy_arr:1;
 642		u32 global_hot_spares:1;
 643		u32 reserved:17;
 644
 645	} __attribute__ ((packed)) adapter_operations;
 646
 647	struct {
 648
 649		u32 read_policy:1;
 650		u32 write_policy:1;
 651		u32 io_policy:1;
 652		u32 access_policy:1;
 653		u32 disk_cache_policy:1;
 654		u32 reserved:27;
 655
 656	} __attribute__ ((packed)) ld_operations;
 657
 658	struct {
 659
 660		u8 min;
 661		u8 max;
 662		u8 reserved[2];
 663
 664	} __attribute__ ((packed)) stripe_sz_ops;
 665
 666	struct {
 667
 668		u32 force_online:1;
 669		u32 force_offline:1;
 670		u32 force_rebuild:1;
 671		u32 reserved:29;
 672
 673	} __attribute__ ((packed)) pd_operations;
 674
 675	struct {
 676
 677		u32 ctrl_supports_sas:1;
 678		u32 ctrl_supports_sata:1;
 679		u32 allow_mix_in_encl:1;
 680		u32 allow_mix_in_ld:1;
 681		u32 allow_sata_in_cluster:1;
 682		u32 reserved:27;
 683
 684	} __attribute__ ((packed)) pd_mix_support;
 685
 686	/*
 687	 * Define ECC single-bit-error bucket information
 688	 */
 689	u8 ecc_bucket_count;
 690	u8 reserved_2[11];
 691
 692	/*
 693	 * Include the controller properties (changeable items)
 694	 */
 695	struct megasas_ctrl_prop properties;
 696
 697	/*
 698	 * Define FW pkg version (set in envt v'bles on OEM basis)
 699	 */
 700	char package_version[0x60];
 701
 702	u8 pad[0x800 - 0x6a0];
 703
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 704} __packed;
 705
 706/*
 707 * ===============================
 708 * MegaRAID SAS driver definitions
 709 * ===============================
 710 */
 711#define MEGASAS_MAX_PD_CHANNELS			2
 712#define MEGASAS_MAX_LD_CHANNELS			2
 713#define MEGASAS_MAX_CHANNELS			(MEGASAS_MAX_PD_CHANNELS + \
 714						MEGASAS_MAX_LD_CHANNELS)
 715#define MEGASAS_MAX_DEV_PER_CHANNEL		128
 716#define MEGASAS_DEFAULT_INIT_ID			-1
 717#define MEGASAS_MAX_LUN				8
 718#define MEGASAS_MAX_LD				64
 719#define MEGASAS_DEFAULT_CMD_PER_LUN		128
 720#define MEGASAS_MAX_PD                          (MEGASAS_MAX_PD_CHANNELS * \
 721						MEGASAS_MAX_DEV_PER_CHANNEL)
 722#define MEGASAS_MAX_LD_IDS			(MEGASAS_MAX_LD_CHANNELS * \
 723						MEGASAS_MAX_DEV_PER_CHANNEL)
 724
 
 
 725#define MEGASAS_MAX_SECTORS                    (2*1024)
 726#define MEGASAS_MAX_SECTORS_IEEE		(2*128)
 727#define MEGASAS_DBG_LVL				1
 728
 729#define MEGASAS_FW_BUSY				1
 730
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 731/* Frame Type */
 732#define IO_FRAME				0
 733#define PTHRU_FRAME				1
 734
 735/*
 736 * When SCSI mid-layer calls driver's reset routine, driver waits for
 737 * MEGASAS_RESET_WAIT_TIME seconds for all outstanding IO to complete. Note
 738 * that the driver cannot _actually_ abort or reset pending commands. While
 739 * it is waiting for the commands to complete, it prints a diagnostic message
 740 * every MEGASAS_RESET_NOTICE_INTERVAL seconds
 741 */
 742#define MEGASAS_RESET_WAIT_TIME			180
 743#define MEGASAS_INTERNAL_CMD_WAIT_TIME		180
 744#define	MEGASAS_RESET_NOTICE_INTERVAL		5
 745#define MEGASAS_IOCTL_CMD			0
 746#define MEGASAS_DEFAULT_CMD_TIMEOUT		90
 747
 
 748/*
 749 * FW reports the maximum of number of commands that it can accept (maximum
 750 * commands that can be outstanding) at any time. The driver must report a
 751 * lower number to the mid layer because it can issue a few internal commands
 752 * itself (E.g, AEN, abort cmd, IOCTLs etc). The number of commands it needs
 753 * is shown below
 754 */
 755#define MEGASAS_INT_CMDS			32
 756#define MEGASAS_SKINNY_INT_CMDS			5
 
 
 
 757
 
 758/*
 759 * FW can accept both 32 and 64 bit SGLs. We want to allocate 32/64 bit
 760 * SGLs based on the size of dma_addr_t
 761 */
 762#define IS_DMA64				(sizeof(dma_addr_t) == 8)
 763
 764#define MFI_XSCALE_OMR0_CHANGE_INTERRUPT		0x00000001
 765
 766#define MFI_INTR_FLAG_REPLY_MESSAGE			0x00000001
 767#define MFI_INTR_FLAG_FIRMWARE_STATE_CHANGE		0x00000002
 768#define MFI_G2_OUTBOUND_DOORBELL_CHANGE_INTERRUPT	0x00000004
 769
 770#define MFI_OB_INTR_STATUS_MASK			0x00000002
 771#define MFI_POLL_TIMEOUT_SECS			60
 772#define MEGASAS_COMPLETION_TIMER_INTERVAL      (HZ/10)
 773
 
 
 
 774#define MFI_REPLY_1078_MESSAGE_INTERRUPT	0x80000000
 775#define MFI_REPLY_GEN2_MESSAGE_INTERRUPT	0x00000001
 776#define MFI_GEN2_ENABLE_INTERRUPT_MASK		(0x00000001 | 0x00000004)
 777#define MFI_REPLY_SKINNY_MESSAGE_INTERRUPT	0x40000000
 778#define MFI_SKINNY_ENABLE_INTERRUPT_MASK	(0x00000001)
 779
 780#define MFI_1068_PCSR_OFFSET			0x84
 781#define MFI_1068_FW_HANDSHAKE_OFFSET		0x64
 782#define MFI_1068_FW_READY			0xDDDD0000
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 783/*
 784* register set for both 1068 and 1078 controllers
 785* structure extended for 1078 registers
 786*/
 787 
 788struct megasas_register_set {
 789	u32	doorbell;                       /*0000h*/
 790	u32	fusion_seq_offset;		/*0004h*/
 791	u32	fusion_host_diag;		/*0008h*/
 792	u32	reserved_01;			/*000Ch*/
 793
 794	u32 	inbound_msg_0;			/*0010h*/
 795	u32 	inbound_msg_1;			/*0014h*/
 796	u32 	outbound_msg_0;			/*0018h*/
 797	u32 	outbound_msg_1;			/*001Ch*/
 798
 799	u32 	inbound_doorbell;		/*0020h*/
 800	u32 	inbound_intr_status;		/*0024h*/
 801	u32 	inbound_intr_mask;		/*0028h*/
 802
 803	u32 	outbound_doorbell;		/*002Ch*/
 804	u32 	outbound_intr_status;		/*0030h*/
 805	u32 	outbound_intr_mask;		/*0034h*/
 806
 807	u32 	reserved_1[2];			/*0038h*/
 808
 809	u32 	inbound_queue_port;		/*0040h*/
 810	u32 	outbound_queue_port;		/*0044h*/
 811
 812	u32	reserved_2[9];			/*0048h*/
 813	u32	reply_post_host_index;		/*006Ch*/
 814	u32	reserved_2_2[12];		/*0070h*/
 815
 816	u32 	outbound_doorbell_clear;	/*00A0h*/
 817
 818	u32 	reserved_3[3];			/*00A4h*/
 819
 820	u32 	outbound_scratch_pad ;		/*00B0h*/
 821	u32	outbound_scratch_pad_2;         /*00B4h*/
 822
 823	u32	reserved_4[2];			/*00B8h*/
 824
 825	u32 	inbound_low_queue_port ;	/*00C0h*/
 826
 827	u32 	inbound_high_queue_port ;	/*00C4h*/
 828
 829	u32 	reserved_5;			/*00C8h*/
 830	u32	res_6[11];			/*CCh*/
 831	u32	host_diag;
 832	u32	seq_offset;
 833	u32 	index_registers[807];		/*00CCh*/
 834} __attribute__ ((packed));
 835
 836struct megasas_sge32 {
 837
 838	u32 phys_addr;
 839	u32 length;
 840
 841} __attribute__ ((packed));
 842
 843struct megasas_sge64 {
 844
 845	u64 phys_addr;
 846	u32 length;
 847
 848} __attribute__ ((packed));
 849
 850struct megasas_sge_skinny {
 851	u64 phys_addr;
 852	u32 length;
 853	u32 flag;
 854} __packed;
 855
 856union megasas_sgl {
 857
 858	struct megasas_sge32 sge32[1];
 859	struct megasas_sge64 sge64[1];
 860	struct megasas_sge_skinny sge_skinny[1];
 861
 862} __attribute__ ((packed));
 863
 864struct megasas_header {
 865
 866	u8 cmd;			/*00h */
 867	u8 sense_len;		/*01h */
 868	u8 cmd_status;		/*02h */
 869	u8 scsi_status;		/*03h */
 870
 871	u8 target_id;		/*04h */
 872	u8 lun;			/*05h */
 873	u8 cdb_len;		/*06h */
 874	u8 sge_count;		/*07h */
 875
 876	u32 context;		/*08h */
 877	u32 pad_0;		/*0Ch */
 878
 879	u16 flags;		/*10h */
 880	u16 timeout;		/*12h */
 881	u32 data_xferlen;	/*14h */
 882
 883} __attribute__ ((packed));
 884
 885union megasas_sgl_frame {
 886
 887	struct megasas_sge32 sge32[8];
 888	struct megasas_sge64 sge64[5];
 889
 890} __attribute__ ((packed));
 891
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 892struct megasas_init_frame {
 893
 894	u8 cmd;			/*00h */
 895	u8 reserved_0;		/*01h */
 896	u8 cmd_status;		/*02h */
 897
 898	u8 reserved_1;		/*03h */
 899	u32 reserved_2;		/*04h */
 900
 901	u32 context;		/*08h */
 902	u32 pad_0;		/*0Ch */
 903
 904	u16 flags;		/*10h */
 905	u16 reserved_3;		/*12h */
 906	u32 data_xfer_len;	/*14h */
 907
 908	u32 queue_info_new_phys_addr_lo;	/*18h */
 909	u32 queue_info_new_phys_addr_hi;	/*1Ch */
 910	u32 queue_info_old_phys_addr_lo;	/*20h */
 911	u32 queue_info_old_phys_addr_hi;	/*24h */
 912
 913	u32 reserved_4[6];	/*28h */
 
 
 914
 915} __attribute__ ((packed));
 916
 917struct megasas_init_queue_info {
 918
 919	u32 init_flags;		/*00h */
 920	u32 reply_queue_entries;	/*04h */
 921
 922	u32 reply_queue_start_phys_addr_lo;	/*08h */
 923	u32 reply_queue_start_phys_addr_hi;	/*0Ch */
 924	u32 producer_index_phys_addr_lo;	/*10h */
 925	u32 producer_index_phys_addr_hi;	/*14h */
 926	u32 consumer_index_phys_addr_lo;	/*18h */
 927	u32 consumer_index_phys_addr_hi;	/*1Ch */
 928
 929} __attribute__ ((packed));
 930
 931struct megasas_io_frame {
 932
 933	u8 cmd;			/*00h */
 934	u8 sense_len;		/*01h */
 935	u8 cmd_status;		/*02h */
 936	u8 scsi_status;		/*03h */
 937
 938	u8 target_id;		/*04h */
 939	u8 access_byte;		/*05h */
 940	u8 reserved_0;		/*06h */
 941	u8 sge_count;		/*07h */
 942
 943	u32 context;		/*08h */
 944	u32 pad_0;		/*0Ch */
 945
 946	u16 flags;		/*10h */
 947	u16 timeout;		/*12h */
 948	u32 lba_count;		/*14h */
 949
 950	u32 sense_buf_phys_addr_lo;	/*18h */
 951	u32 sense_buf_phys_addr_hi;	/*1Ch */
 952
 953	u32 start_lba_lo;	/*20h */
 954	u32 start_lba_hi;	/*24h */
 955
 956	union megasas_sgl sgl;	/*28h */
 957
 958} __attribute__ ((packed));
 959
 960struct megasas_pthru_frame {
 961
 962	u8 cmd;			/*00h */
 963	u8 sense_len;		/*01h */
 964	u8 cmd_status;		/*02h */
 965	u8 scsi_status;		/*03h */
 966
 967	u8 target_id;		/*04h */
 968	u8 lun;			/*05h */
 969	u8 cdb_len;		/*06h */
 970	u8 sge_count;		/*07h */
 971
 972	u32 context;		/*08h */
 973	u32 pad_0;		/*0Ch */
 974
 975	u16 flags;		/*10h */
 976	u16 timeout;		/*12h */
 977	u32 data_xfer_len;	/*14h */
 978
 979	u32 sense_buf_phys_addr_lo;	/*18h */
 980	u32 sense_buf_phys_addr_hi;	/*1Ch */
 981
 982	u8 cdb[16];		/*20h */
 983	union megasas_sgl sgl;	/*30h */
 984
 985} __attribute__ ((packed));
 986
 987struct megasas_dcmd_frame {
 988
 989	u8 cmd;			/*00h */
 990	u8 reserved_0;		/*01h */
 991	u8 cmd_status;		/*02h */
 992	u8 reserved_1[4];	/*03h */
 993	u8 sge_count;		/*07h */
 994
 995	u32 context;		/*08h */
 996	u32 pad_0;		/*0Ch */
 997
 998	u16 flags;		/*10h */
 999	u16 timeout;		/*12h */
1000
1001	u32 data_xfer_len;	/*14h */
1002	u32 opcode;		/*18h */
1003
1004	union {			/*1Ch */
1005		u8 b[12];
1006		u16 s[6];
1007		u32 w[3];
1008	} mbox;
1009
1010	union megasas_sgl sgl;	/*28h */
1011
1012} __attribute__ ((packed));
1013
1014struct megasas_abort_frame {
1015
1016	u8 cmd;			/*00h */
1017	u8 reserved_0;		/*01h */
1018	u8 cmd_status;		/*02h */
1019
1020	u8 reserved_1;		/*03h */
1021	u32 reserved_2;		/*04h */
1022
1023	u32 context;		/*08h */
1024	u32 pad_0;		/*0Ch */
1025
1026	u16 flags;		/*10h */
1027	u16 reserved_3;		/*12h */
1028	u32 reserved_4;		/*14h */
1029
1030	u32 abort_context;	/*18h */
1031	u32 pad_1;		/*1Ch */
1032
1033	u32 abort_mfi_phys_addr_lo;	/*20h */
1034	u32 abort_mfi_phys_addr_hi;	/*24h */
1035
1036	u32 reserved_5[6];	/*28h */
1037
1038} __attribute__ ((packed));
1039
1040struct megasas_smp_frame {
1041
1042	u8 cmd;			/*00h */
1043	u8 reserved_1;		/*01h */
1044	u8 cmd_status;		/*02h */
1045	u8 connection_status;	/*03h */
1046
1047	u8 reserved_2[3];	/*04h */
1048	u8 sge_count;		/*07h */
1049
1050	u32 context;		/*08h */
1051	u32 pad_0;		/*0Ch */
1052
1053	u16 flags;		/*10h */
1054	u16 timeout;		/*12h */
1055
1056	u32 data_xfer_len;	/*14h */
1057	u64 sas_addr;		/*18h */
1058
1059	union {
1060		struct megasas_sge32 sge32[2];	/* [0]: resp [1]: req */
1061		struct megasas_sge64 sge64[2];	/* [0]: resp [1]: req */
1062	} sgl;
1063
1064} __attribute__ ((packed));
1065
1066struct megasas_stp_frame {
1067
1068	u8 cmd;			/*00h */
1069	u8 reserved_1;		/*01h */
1070	u8 cmd_status;		/*02h */
1071	u8 reserved_2;		/*03h */
1072
1073	u8 target_id;		/*04h */
1074	u8 reserved_3[2];	/*05h */
1075	u8 sge_count;		/*07h */
1076
1077	u32 context;		/*08h */
1078	u32 pad_0;		/*0Ch */
1079
1080	u16 flags;		/*10h */
1081	u16 timeout;		/*12h */
1082
1083	u32 data_xfer_len;	/*14h */
1084
1085	u16 fis[10];		/*18h */
1086	u32 stp_flags;
1087
1088	union {
1089		struct megasas_sge32 sge32[2];	/* [0]: resp [1]: data */
1090		struct megasas_sge64 sge64[2];	/* [0]: resp [1]: data */
1091	} sgl;
1092
1093} __attribute__ ((packed));
1094
1095union megasas_frame {
1096
1097	struct megasas_header hdr;
1098	struct megasas_init_frame init;
1099	struct megasas_io_frame io;
1100	struct megasas_pthru_frame pthru;
1101	struct megasas_dcmd_frame dcmd;
1102	struct megasas_abort_frame abort;
1103	struct megasas_smp_frame smp;
1104	struct megasas_stp_frame stp;
1105
1106	u8 raw_bytes[64];
1107};
1108
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1109struct megasas_cmd;
1110
1111union megasas_evt_class_locale {
1112
1113	struct {
 
1114		u16 locale;
1115		u8 reserved;
1116		s8 class;
 
 
 
 
 
1117	} __attribute__ ((packed)) members;
1118
1119	u32 word;
1120
1121} __attribute__ ((packed));
1122
1123struct megasas_evt_log_info {
1124	u32 newest_seq_num;
1125	u32 oldest_seq_num;
1126	u32 clear_seq_num;
1127	u32 shutdown_seq_num;
1128	u32 boot_seq_num;
1129
1130} __attribute__ ((packed));
1131
1132struct megasas_progress {
1133
1134	u16 progress;
1135	u16 elapsed_seconds;
1136
1137} __attribute__ ((packed));
1138
1139struct megasas_evtarg_ld {
1140
1141	u16 target_id;
1142	u8 ld_index;
1143	u8 reserved;
1144
1145} __attribute__ ((packed));
1146
1147struct megasas_evtarg_pd {
1148	u16 device_id;
1149	u8 encl_index;
1150	u8 slot_number;
1151
1152} __attribute__ ((packed));
1153
1154struct megasas_evt_detail {
1155
1156	u32 seq_num;
1157	u32 time_stamp;
1158	u32 code;
1159	union megasas_evt_class_locale cl;
1160	u8 arg_type;
1161	u8 reserved1[15];
1162
1163	union {
1164		struct {
1165			struct megasas_evtarg_pd pd;
1166			u8 cdb_length;
1167			u8 sense_length;
1168			u8 reserved[2];
1169			u8 cdb[16];
1170			u8 sense[64];
1171		} __attribute__ ((packed)) cdbSense;
1172
1173		struct megasas_evtarg_ld ld;
1174
1175		struct {
1176			struct megasas_evtarg_ld ld;
1177			u64 count;
1178		} __attribute__ ((packed)) ld_count;
1179
1180		struct {
1181			u64 lba;
1182			struct megasas_evtarg_ld ld;
1183		} __attribute__ ((packed)) ld_lba;
1184
1185		struct {
1186			struct megasas_evtarg_ld ld;
1187			u32 prevOwner;
1188			u32 newOwner;
1189		} __attribute__ ((packed)) ld_owner;
1190
1191		struct {
1192			u64 ld_lba;
1193			u64 pd_lba;
1194			struct megasas_evtarg_ld ld;
1195			struct megasas_evtarg_pd pd;
1196		} __attribute__ ((packed)) ld_lba_pd_lba;
1197
1198		struct {
1199			struct megasas_evtarg_ld ld;
1200			struct megasas_progress prog;
1201		} __attribute__ ((packed)) ld_prog;
1202
1203		struct {
1204			struct megasas_evtarg_ld ld;
1205			u32 prev_state;
1206			u32 new_state;
1207		} __attribute__ ((packed)) ld_state;
1208
1209		struct {
1210			u64 strip;
1211			struct megasas_evtarg_ld ld;
1212		} __attribute__ ((packed)) ld_strip;
1213
1214		struct megasas_evtarg_pd pd;
1215
1216		struct {
1217			struct megasas_evtarg_pd pd;
1218			u32 err;
1219		} __attribute__ ((packed)) pd_err;
1220
1221		struct {
1222			u64 lba;
1223			struct megasas_evtarg_pd pd;
1224		} __attribute__ ((packed)) pd_lba;
1225
1226		struct {
1227			u64 lba;
1228			struct megasas_evtarg_pd pd;
1229			struct megasas_evtarg_ld ld;
1230		} __attribute__ ((packed)) pd_lba_ld;
1231
1232		struct {
1233			struct megasas_evtarg_pd pd;
1234			struct megasas_progress prog;
1235		} __attribute__ ((packed)) pd_prog;
1236
1237		struct {
1238			struct megasas_evtarg_pd pd;
1239			u32 prevState;
1240			u32 newState;
1241		} __attribute__ ((packed)) pd_state;
1242
1243		struct {
1244			u16 vendorId;
1245			u16 deviceId;
1246			u16 subVendorId;
1247			u16 subDeviceId;
1248		} __attribute__ ((packed)) pci;
1249
1250		u32 rate;
1251		char str[96];
1252
1253		struct {
1254			u32 rtc;
1255			u32 elapsedSeconds;
1256		} __attribute__ ((packed)) time;
1257
1258		struct {
1259			u32 ecar;
1260			u32 elog;
1261			char str[64];
1262		} __attribute__ ((packed)) ecc;
1263
1264		u8 b[96];
1265		u16 s[48];
1266		u32 w[24];
1267		u64 d[12];
1268	} args;
1269
1270	char description[128];
1271
1272} __attribute__ ((packed));
1273
1274struct megasas_aen_event {
1275	struct work_struct hotplug_work;
 
 
 
 
 
1276	struct megasas_instance *instance;
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1277};
1278
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1279struct megasas_instance {
1280
1281	u32 *producer;
 
1282	dma_addr_t producer_h;
1283	u32 *consumer;
1284	dma_addr_t consumer_h;
 
 
 
 
 
 
 
 
 
 
 
 
1285
1286	u32 *reply_queue;
1287	dma_addr_t reply_queue_h;
1288
1289	unsigned long base_addr;
1290	struct megasas_register_set __iomem *reg_set;
 
 
 
 
 
 
1291
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1292	struct megasas_pd_list          pd_list[MEGASAS_MAX_PD];
1293	u8     ld_ids[MEGASAS_MAX_LD_IDS];
 
 
 
 
1294	s8 init_id;
1295
1296	u16 max_num_sge;
1297	u16 max_fw_cmds;
1298	/* For Fusion its num IOCTL cmds, for others MFI based its
1299	   max_fw_cmds */
1300	u16 max_mfi_cmds;
 
 
 
1301	u32 max_sectors_per_req;
 
1302	struct megasas_aen_event *ev;
1303
1304	struct megasas_cmd **cmd_list;
1305	struct list_head cmd_pool;
1306	/* used to sync fire the cmd to fw */
1307	spinlock_t cmd_pool_lock;
1308	/* used to sync fire the cmd to fw */
1309	spinlock_t hba_lock;
1310	/* used to synch producer, consumer ptrs in dpc */
 
1311	spinlock_t completion_lock;
1312	struct dma_pool *frame_dma_pool;
1313	struct dma_pool *sense_dma_pool;
1314
1315	struct megasas_evt_detail *evt_detail;
1316	dma_addr_t evt_detail_h;
1317	struct megasas_cmd *aen_cmd;
1318	struct mutex aen_mutex;
1319	struct semaphore ioctl_sem;
1320
1321	struct Scsi_Host *host;
1322
1323	wait_queue_head_t int_cmd_wait_q;
1324	wait_queue_head_t abort_cmd_wait_q;
1325
1326	struct pci_dev *pdev;
1327	u32 unique_id;
1328	u32 fw_support_ieee;
 
1329
1330	atomic_t fw_outstanding;
 
1331	atomic_t fw_reset_no_pci_access;
 
 
1332
1333	struct megasas_instance_template *instancet;
1334	struct tasklet_struct isr_tasklet;
1335	struct work_struct work_init;
 
 
 
1336
1337	u8 flag;
1338	u8 unload;
1339	u8 flag_ieee;
1340	u8 issuepend_done;
1341	u8 disableOnlineCtrlReset;
1342	u8 adprecovery;
 
 
 
 
 
 
 
 
 
 
1343	unsigned long last_time;
1344	u32 mfiStatus;
1345	u32 last_seq_num;
1346
1347	struct timer_list io_completion_timer;
1348	struct list_head internal_reset_pending_q;
1349
1350	/* Ptr to hba specific information */
1351	void *ctrl_context;
1352	u8	msi_flag;
1353	struct msix_entry msixentry;
1354	u64 map_id;
 
1355	struct megasas_cmd *map_update_cmd;
 
1356	unsigned long bar;
1357	long reset_flags;
1358	struct mutex reset_mutex;
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1359};
1360
1361enum {
1362	MEGASAS_HBA_OPERATIONAL			= 0,
1363	MEGASAS_ADPRESET_SM_INFAULT		= 1,
1364	MEGASAS_ADPRESET_SM_FW_RESET_SUCCESS	= 2,
1365	MEGASAS_ADPRESET_SM_OPERATIONAL		= 3,
1366	MEGASAS_HW_CRITICAL_ERROR		= 4,
 
1367	MEGASAS_ADPRESET_INPROG_SIGN		= 0xDEADDEAD,
1368};
1369
1370struct megasas_instance_template {
1371	void (*fire_cmd)(struct megasas_instance *, dma_addr_t, \
1372		u32, struct megasas_register_set __iomem *);
1373
1374	void (*enable_intr)(struct megasas_register_set __iomem *) ;
1375	void (*disable_intr)(struct megasas_register_set __iomem *);
1376
1377	int (*clear_intr)(struct megasas_register_set __iomem *);
1378
1379	u32 (*read_fw_status_reg)(struct megasas_register_set __iomem *);
1380	int (*adp_reset)(struct megasas_instance *, \
1381		struct megasas_register_set __iomem *);
1382	int (*check_reset)(struct megasas_instance *, \
1383		struct megasas_register_set __iomem *);
1384	irqreturn_t (*service_isr)(int irq, void *devp);
1385	void (*tasklet)(unsigned long);
1386	u32 (*init_adapter)(struct megasas_instance *);
1387	u32 (*build_and_issue_cmd) (struct megasas_instance *,
1388				    struct scsi_cmnd *);
1389	void (*issue_dcmd) (struct megasas_instance *instance,
1390			    struct megasas_cmd *cmd);
1391};
1392
1393#define MEGASAS_IS_LOGICAL(scp)						\
1394	(scp->device->channel < MEGASAS_MAX_PD_CHANNELS) ? 0 : 1
 
 
 
1395
1396#define MEGASAS_DEV_INDEX(inst, scp)					\
1397	((scp->device->channel % 2) * MEGASAS_MAX_DEV_PER_CHANNEL) + 	\
1398	scp->device->id
 
 
 
 
1399
1400struct megasas_cmd {
1401
1402	union megasas_frame *frame;
1403	dma_addr_t frame_phys_addr;
1404	u8 *sense;
1405	dma_addr_t sense_phys_addr;
1406
1407	u32 index;
1408	u8 sync_cmd;
1409	u8 cmd_status;
1410	u8 abort_aen;
1411	u8 retry_for_fw_reset;
1412
1413
1414	struct list_head list;
1415	struct scsi_cmnd *scmd;
 
 
1416	struct megasas_instance *instance;
1417	union {
1418		struct {
1419			u16 smid;
1420			u16 resvd;
1421		} context;
1422		u32 frame_count;
1423	};
1424};
1425
 
 
 
 
 
 
 
 
 
 
1426#define MAX_MGMT_ADAPTERS		1024
1427#define MAX_IOCTL_SGE			16
1428
1429struct megasas_iocpacket {
1430
1431	u16 host_no;
1432	u16 __pad1;
1433	u32 sgl_off;
1434	u32 sge_count;
1435	u32 sense_off;
1436	u32 sense_len;
1437	union {
1438		u8 raw[128];
1439		struct megasas_header hdr;
1440	} frame;
1441
1442	struct iovec sgl[MAX_IOCTL_SGE];
1443
1444} __attribute__ ((packed));
1445
1446struct megasas_aen {
1447	u16 host_no;
1448	u16 __pad1;
1449	u32 seq_num;
1450	u32 class_locale_word;
1451} __attribute__ ((packed));
1452
1453#ifdef CONFIG_COMPAT
1454struct compat_megasas_iocpacket {
1455	u16 host_no;
1456	u16 __pad1;
1457	u32 sgl_off;
1458	u32 sge_count;
1459	u32 sense_off;
1460	u32 sense_len;
1461	union {
1462		u8 raw[128];
1463		struct megasas_header hdr;
1464	} frame;
1465	struct compat_iovec sgl[MAX_IOCTL_SGE];
1466} __attribute__ ((packed));
1467
1468#define MEGASAS_IOC_FIRMWARE32	_IOWR('M', 1, struct compat_megasas_iocpacket)
1469#endif
1470
1471#define MEGASAS_IOC_FIRMWARE	_IOWR('M', 1, struct megasas_iocpacket)
1472#define MEGASAS_IOC_GET_AEN	_IOW('M', 3, struct megasas_aen)
1473
1474struct megasas_mgmt_info {
1475
1476	u16 count;
1477	struct megasas_instance *instance[MAX_MGMT_ADAPTERS];
1478	int max_index;
1479};
1480
1481#define msi_control_reg(base) (base + PCI_MSI_FLAGS)
1482#define PCI_MSIX_FLAGS_ENABLE (1 << 15)
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1483
1484#endif				/*LSI_MEGARAID_SAS_H */
v6.8
   1/* SPDX-License-Identifier: GPL-2.0-or-later */
   2/*
   3 *  Linux MegaRAID driver for SAS based RAID controllers
   4 *
   5 *  Copyright (c) 2003-2013  LSI Corporation
   6 *  Copyright (c) 2013-2016  Avago Technologies
   7 *  Copyright (c) 2016-2018  Broadcom Inc.
 
 
 
 
 
 
 
 
 
 
 
 
   8 *
   9 *  FILE: megaraid_sas.h
  10 *
  11 *  Authors: Broadcom Inc.
  12 *           Kashyap Desai <kashyap.desai@broadcom.com>
  13 *           Sumit Saxena <sumit.saxena@broadcom.com>
  14 *
  15 *  Send feedback to: megaraidlinux.pdl@broadcom.com
 
  16 */
  17
  18#ifndef LSI_MEGARAID_SAS_H
  19#define LSI_MEGARAID_SAS_H
  20
  21#include <scsi/scsi_cmnd.h>
  22
  23/*
  24 * MegaRAID SAS Driver meta data
  25 */
  26#define MEGASAS_VERSION				"07.727.03.00-rc1"
  27#define MEGASAS_RELDATE				"Oct 03, 2023"
  28
  29#define MEGASAS_MSIX_NAME_LEN			32
  30
  31/*
  32 * Device IDs
  33 */
  34#define	PCI_DEVICE_ID_LSI_SAS1078R		0x0060
  35#define	PCI_DEVICE_ID_LSI_SAS1078DE		0x007C
  36#define	PCI_DEVICE_ID_LSI_VERDE_ZCR		0x0413
  37#define	PCI_DEVICE_ID_LSI_SAS1078GEN2		0x0078
  38#define	PCI_DEVICE_ID_LSI_SAS0079GEN2		0x0079
  39#define	PCI_DEVICE_ID_LSI_SAS0073SKINNY		0x0073
  40#define	PCI_DEVICE_ID_LSI_SAS0071SKINNY		0x0071
  41#define	PCI_DEVICE_ID_LSI_FUSION		0x005b
  42#define PCI_DEVICE_ID_LSI_PLASMA		0x002f
  43#define PCI_DEVICE_ID_LSI_INVADER		0x005d
  44#define PCI_DEVICE_ID_LSI_FURY			0x005f
  45#define PCI_DEVICE_ID_LSI_INTRUDER		0x00ce
  46#define PCI_DEVICE_ID_LSI_INTRUDER_24		0x00cf
  47#define PCI_DEVICE_ID_LSI_CUTLASS_52		0x0052
  48#define PCI_DEVICE_ID_LSI_CUTLASS_53		0x0053
  49#define PCI_DEVICE_ID_LSI_VENTURA		    0x0014
  50#define PCI_DEVICE_ID_LSI_CRUSADER		    0x0015
  51#define PCI_DEVICE_ID_LSI_HARPOON		    0x0016
  52#define PCI_DEVICE_ID_LSI_TOMCAT		    0x0017
  53#define PCI_DEVICE_ID_LSI_VENTURA_4PORT		0x001B
  54#define PCI_DEVICE_ID_LSI_CRUSADER_4PORT	0x001C
  55#define PCI_DEVICE_ID_LSI_AERO_10E1		0x10e1
  56#define PCI_DEVICE_ID_LSI_AERO_10E2		0x10e2
  57#define PCI_DEVICE_ID_LSI_AERO_10E5		0x10e5
  58#define PCI_DEVICE_ID_LSI_AERO_10E6		0x10e6
  59#define PCI_DEVICE_ID_LSI_AERO_10E0		0x10e0
  60#define PCI_DEVICE_ID_LSI_AERO_10E3		0x10e3
  61#define PCI_DEVICE_ID_LSI_AERO_10E4		0x10e4
  62#define PCI_DEVICE_ID_LSI_AERO_10E7		0x10e7
  63
  64/*
  65 * Intel HBA SSDIDs
  66 */
  67#define MEGARAID_INTEL_RS3DC080_SSDID		0x9360
  68#define MEGARAID_INTEL_RS3DC040_SSDID		0x9362
  69#define MEGARAID_INTEL_RS3SC008_SSDID		0x9380
  70#define MEGARAID_INTEL_RS3MC044_SSDID		0x9381
  71#define MEGARAID_INTEL_RS3WC080_SSDID		0x9341
  72#define MEGARAID_INTEL_RS3WC040_SSDID		0x9343
  73#define MEGARAID_INTEL_RMS3BC160_SSDID		0x352B
  74
  75/*
  76 * Intruder HBA SSDIDs
  77 */
  78#define MEGARAID_INTRUDER_SSDID1		0x9371
  79#define MEGARAID_INTRUDER_SSDID2		0x9390
  80#define MEGARAID_INTRUDER_SSDID3		0x9370
  81
  82/*
  83 * Intel HBA branding
  84 */
  85#define MEGARAID_INTEL_RS3DC080_BRANDING	\
  86	"Intel(R) RAID Controller RS3DC080"
  87#define MEGARAID_INTEL_RS3DC040_BRANDING	\
  88	"Intel(R) RAID Controller RS3DC040"
  89#define MEGARAID_INTEL_RS3SC008_BRANDING	\
  90	"Intel(R) RAID Controller RS3SC008"
  91#define MEGARAID_INTEL_RS3MC044_BRANDING	\
  92	"Intel(R) RAID Controller RS3MC044"
  93#define MEGARAID_INTEL_RS3WC080_BRANDING	\
  94	"Intel(R) RAID Controller RS3WC080"
  95#define MEGARAID_INTEL_RS3WC040_BRANDING	\
  96	"Intel(R) RAID Controller RS3WC040"
  97#define MEGARAID_INTEL_RMS3BC160_BRANDING	\
  98	"Intel(R) Integrated RAID Module RMS3BC160"
  99
 100/*
 101 * =====================================
 102 * MegaRAID SAS MFI firmware definitions
 103 * =====================================
 104 */
 105
 106/*
 107 * MFI stands for  MegaRAID SAS FW Interface. This is just a moniker for
 108 * protocol between the software and firmware. Commands are issued using
 109 * "message frames"
 110 */
 111
 112/*
 113 * FW posts its state in upper 4 bits of outbound_msg_0 register
 114 */
 115#define MFI_STATE_MASK				0xF0000000
 116#define MFI_STATE_UNDEFINED			0x00000000
 117#define MFI_STATE_BB_INIT			0x10000000
 118#define MFI_STATE_FW_INIT			0x40000000
 119#define MFI_STATE_WAIT_HANDSHAKE		0x60000000
 120#define MFI_STATE_FW_INIT_2			0x70000000
 121#define MFI_STATE_DEVICE_SCAN			0x80000000
 122#define MFI_STATE_BOOT_MESSAGE_PENDING		0x90000000
 123#define MFI_STATE_FLUSH_CACHE			0xA0000000
 124#define MFI_STATE_READY				0xB0000000
 125#define MFI_STATE_OPERATIONAL			0xC0000000
 126#define MFI_STATE_FAULT				0xF0000000
 127#define MFI_STATE_FORCE_OCR			0x00000080
 128#define MFI_STATE_DMADONE			0x00000008
 129#define MFI_STATE_CRASH_DUMP_DONE		0x00000004
 130#define MFI_RESET_REQUIRED			0x00000001
 131#define MFI_RESET_ADAPTER			0x00000002
 132#define MEGAMFI_FRAME_SIZE			64
 133
 134#define MFI_STATE_FAULT_CODE			0x0FFF0000
 135#define MFI_STATE_FAULT_SUBCODE			0x0000FF00
 136/*
 137 * During FW init, clear pending cmds & reset state using inbound_msg_0
 138 *
 139 * ABORT	: Abort all pending cmds
 140 * READY	: Move from OPERATIONAL to READY state; discard queue info
 141 * MFIMODE	: Discard (possible) low MFA posted in 64-bit mode (??)
 142 * CLR_HANDSHAKE: FW is waiting for HANDSHAKE from BIOS or Driver
 143 * HOTPLUG	: Resume from Hotplug
 144 * MFI_STOP_ADP	: Send signal to FW to stop processing
 145 * MFI_ADP_TRIGGER_SNAP_DUMP: Inform firmware to initiate snap dump
 146 */
 147#define WRITE_SEQUENCE_OFFSET		(0x0000000FC) /* I20 */
 148#define HOST_DIAGNOSTIC_OFFSET		(0x000000F8)  /* I20 */
 149#define DIAG_WRITE_ENABLE			(0x00000080)
 150#define DIAG_RESET_ADAPTER			(0x00000004)
 151
 152#define MFI_ADP_RESET				0x00000040
 153#define MFI_INIT_ABORT				0x00000001
 154#define MFI_INIT_READY				0x00000002
 155#define MFI_INIT_MFIMODE			0x00000004
 156#define MFI_INIT_CLEAR_HANDSHAKE		0x00000008
 157#define MFI_INIT_HOTPLUG			0x00000010
 158#define MFI_STOP_ADP				0x00000020
 159#define MFI_RESET_FLAGS				MFI_INIT_READY| \
 160						MFI_INIT_MFIMODE| \
 161						MFI_INIT_ABORT
 162#define MFI_ADP_TRIGGER_SNAP_DUMP		0x00000100
 163#define MPI2_IOCINIT_MSGFLAG_RDPQ_ARRAY_MODE    (0x01)
 164
 165/*
 166 * MFI frame flags
 167 */
 168#define MFI_FRAME_POST_IN_REPLY_QUEUE		0x0000
 169#define MFI_FRAME_DONT_POST_IN_REPLY_QUEUE	0x0001
 170#define MFI_FRAME_SGL32				0x0000
 171#define MFI_FRAME_SGL64				0x0002
 172#define MFI_FRAME_SENSE32			0x0000
 173#define MFI_FRAME_SENSE64			0x0004
 174#define MFI_FRAME_DIR_NONE			0x0000
 175#define MFI_FRAME_DIR_WRITE			0x0008
 176#define MFI_FRAME_DIR_READ			0x0010
 177#define MFI_FRAME_DIR_BOTH			0x0018
 178#define MFI_FRAME_IEEE                          0x0020
 179
 180/* Driver internal */
 181#define DRV_DCMD_POLLED_MODE		0x1
 182#define DRV_DCMD_SKIP_REFIRE		0x2
 183
 184/*
 185 * Definition for cmd_status
 186 */
 187#define MFI_CMD_STATUS_POLL_MODE		0xFF
 188
 189/*
 190 * MFI command opcodes
 191 */
 192enum MFI_CMD_OP {
 193	MFI_CMD_INIT		= 0x0,
 194	MFI_CMD_LD_READ		= 0x1,
 195	MFI_CMD_LD_WRITE	= 0x2,
 196	MFI_CMD_LD_SCSI_IO	= 0x3,
 197	MFI_CMD_PD_SCSI_IO	= 0x4,
 198	MFI_CMD_DCMD		= 0x5,
 199	MFI_CMD_ABORT		= 0x6,
 200	MFI_CMD_SMP		= 0x7,
 201	MFI_CMD_STP		= 0x8,
 202	MFI_CMD_NVME		= 0x9,
 203	MFI_CMD_TOOLBOX		= 0xa,
 204	MFI_CMD_OP_COUNT,
 205	MFI_CMD_INVALID		= 0xff
 206};
 207
 208#define MR_DCMD_CTRL_GET_INFO			0x01010000
 209#define MR_DCMD_LD_GET_LIST			0x03010000
 210#define MR_DCMD_LD_LIST_QUERY			0x03010100
 211
 212#define MR_DCMD_CTRL_CACHE_FLUSH		0x01101000
 213#define MR_FLUSH_CTRL_CACHE			0x01
 214#define MR_FLUSH_DISK_CACHE			0x02
 215
 216#define MR_DCMD_CTRL_SHUTDOWN			0x01050000
 217#define MR_DCMD_HIBERNATE_SHUTDOWN		0x01060000
 218#define MR_ENABLE_DRIVE_SPINDOWN		0x01
 219
 220#define MR_DCMD_CTRL_EVENT_GET_INFO		0x01040100
 221#define MR_DCMD_CTRL_EVENT_GET			0x01040300
 222#define MR_DCMD_CTRL_EVENT_WAIT			0x01040500
 223#define MR_DCMD_LD_GET_PROPERTIES		0x03030000
 224
 225#define MR_DCMD_CLUSTER				0x08000000
 226#define MR_DCMD_CLUSTER_RESET_ALL		0x08010100
 227#define MR_DCMD_CLUSTER_RESET_LD		0x08010200
 228#define MR_DCMD_PD_LIST_QUERY                   0x02010100
 229
 230#define MR_DCMD_CTRL_SET_CRASH_DUMP_PARAMS	0x01190100
 231#define MR_DRIVER_SET_APP_CRASHDUMP_MODE	(0xF0010000 | 0x0600)
 232#define MR_DCMD_PD_GET_INFO			0x02020000
 233
 234/*
 235 * Global functions
 236 */
 237extern u8 MR_ValidateMapInfo(struct megasas_instance *instance, u64 map_id);
 238
 239
 240/*
 241 * MFI command completion codes
 242 */
 243enum MFI_STAT {
 244	MFI_STAT_OK = 0x00,
 245	MFI_STAT_INVALID_CMD = 0x01,
 246	MFI_STAT_INVALID_DCMD = 0x02,
 247	MFI_STAT_INVALID_PARAMETER = 0x03,
 248	MFI_STAT_INVALID_SEQUENCE_NUMBER = 0x04,
 249	MFI_STAT_ABORT_NOT_POSSIBLE = 0x05,
 250	MFI_STAT_APP_HOST_CODE_NOT_FOUND = 0x06,
 251	MFI_STAT_APP_IN_USE = 0x07,
 252	MFI_STAT_APP_NOT_INITIALIZED = 0x08,
 253	MFI_STAT_ARRAY_INDEX_INVALID = 0x09,
 254	MFI_STAT_ARRAY_ROW_NOT_EMPTY = 0x0a,
 255	MFI_STAT_CONFIG_RESOURCE_CONFLICT = 0x0b,
 256	MFI_STAT_DEVICE_NOT_FOUND = 0x0c,
 257	MFI_STAT_DRIVE_TOO_SMALL = 0x0d,
 258	MFI_STAT_FLASH_ALLOC_FAIL = 0x0e,
 259	MFI_STAT_FLASH_BUSY = 0x0f,
 260	MFI_STAT_FLASH_ERROR = 0x10,
 261	MFI_STAT_FLASH_IMAGE_BAD = 0x11,
 262	MFI_STAT_FLASH_IMAGE_INCOMPLETE = 0x12,
 263	MFI_STAT_FLASH_NOT_OPEN = 0x13,
 264	MFI_STAT_FLASH_NOT_STARTED = 0x14,
 265	MFI_STAT_FLUSH_FAILED = 0x15,
 266	MFI_STAT_HOST_CODE_NOT_FOUNT = 0x16,
 267	MFI_STAT_LD_CC_IN_PROGRESS = 0x17,
 268	MFI_STAT_LD_INIT_IN_PROGRESS = 0x18,
 269	MFI_STAT_LD_LBA_OUT_OF_RANGE = 0x19,
 270	MFI_STAT_LD_MAX_CONFIGURED = 0x1a,
 271	MFI_STAT_LD_NOT_OPTIMAL = 0x1b,
 272	MFI_STAT_LD_RBLD_IN_PROGRESS = 0x1c,
 273	MFI_STAT_LD_RECON_IN_PROGRESS = 0x1d,
 274	MFI_STAT_LD_WRONG_RAID_LEVEL = 0x1e,
 275	MFI_STAT_MAX_SPARES_EXCEEDED = 0x1f,
 276	MFI_STAT_MEMORY_NOT_AVAILABLE = 0x20,
 277	MFI_STAT_MFC_HW_ERROR = 0x21,
 278	MFI_STAT_NO_HW_PRESENT = 0x22,
 279	MFI_STAT_NOT_FOUND = 0x23,
 280	MFI_STAT_NOT_IN_ENCL = 0x24,
 281	MFI_STAT_PD_CLEAR_IN_PROGRESS = 0x25,
 282	MFI_STAT_PD_TYPE_WRONG = 0x26,
 283	MFI_STAT_PR_DISABLED = 0x27,
 284	MFI_STAT_ROW_INDEX_INVALID = 0x28,
 285	MFI_STAT_SAS_CONFIG_INVALID_ACTION = 0x29,
 286	MFI_STAT_SAS_CONFIG_INVALID_DATA = 0x2a,
 287	MFI_STAT_SAS_CONFIG_INVALID_PAGE = 0x2b,
 288	MFI_STAT_SAS_CONFIG_INVALID_TYPE = 0x2c,
 289	MFI_STAT_SCSI_DONE_WITH_ERROR = 0x2d,
 290	MFI_STAT_SCSI_IO_FAILED = 0x2e,
 291	MFI_STAT_SCSI_RESERVATION_CONFLICT = 0x2f,
 292	MFI_STAT_SHUTDOWN_FAILED = 0x30,
 293	MFI_STAT_TIME_NOT_SET = 0x31,
 294	MFI_STAT_WRONG_STATE = 0x32,
 295	MFI_STAT_LD_OFFLINE = 0x33,
 296	MFI_STAT_PEER_NOTIFICATION_REJECTED = 0x34,
 297	MFI_STAT_PEER_NOTIFICATION_FAILED = 0x35,
 298	MFI_STAT_RESERVATION_IN_PROGRESS = 0x36,
 299	MFI_STAT_I2C_ERRORS_DETECTED = 0x37,
 300	MFI_STAT_PCI_ERRORS_DETECTED = 0x38,
 301	MFI_STAT_CONFIG_SEQ_MISMATCH = 0x67,
 302
 303	MFI_STAT_INVALID_STATUS = 0xFF
 304};
 305
 306enum mfi_evt_class {
 307	MFI_EVT_CLASS_DEBUG =		-2,
 308	MFI_EVT_CLASS_PROGRESS =	-1,
 309	MFI_EVT_CLASS_INFO =		0,
 310	MFI_EVT_CLASS_WARNING =		1,
 311	MFI_EVT_CLASS_CRITICAL =	2,
 312	MFI_EVT_CLASS_FATAL =		3,
 313	MFI_EVT_CLASS_DEAD =		4
 314};
 315
 316/*
 317 * Crash dump related defines
 318 */
 319#define MAX_CRASH_DUMP_SIZE 512
 320#define CRASH_DMA_BUF_SIZE  (1024 * 1024)
 321
 322enum MR_FW_CRASH_DUMP_STATE {
 323	UNAVAILABLE = 0,
 324	AVAILABLE = 1,
 325	COPYING = 2,
 326	COPIED = 3,
 327	COPY_ERROR = 4,
 328};
 329
 330enum _MR_CRASH_BUF_STATUS {
 331	MR_CRASH_BUF_TURN_OFF = 0,
 332	MR_CRASH_BUF_TURN_ON = 1,
 333};
 334
 335/*
 336 * Number of mailbox bytes in DCMD message frame
 337 */
 338#define MFI_MBOX_SIZE				12
 339
 340enum MR_EVT_CLASS {
 341
 342	MR_EVT_CLASS_DEBUG = -2,
 343	MR_EVT_CLASS_PROGRESS = -1,
 344	MR_EVT_CLASS_INFO = 0,
 345	MR_EVT_CLASS_WARNING = 1,
 346	MR_EVT_CLASS_CRITICAL = 2,
 347	MR_EVT_CLASS_FATAL = 3,
 348	MR_EVT_CLASS_DEAD = 4,
 349
 350};
 351
 352enum MR_EVT_LOCALE {
 353
 354	MR_EVT_LOCALE_LD = 0x0001,
 355	MR_EVT_LOCALE_PD = 0x0002,
 356	MR_EVT_LOCALE_ENCL = 0x0004,
 357	MR_EVT_LOCALE_BBU = 0x0008,
 358	MR_EVT_LOCALE_SAS = 0x0010,
 359	MR_EVT_LOCALE_CTRL = 0x0020,
 360	MR_EVT_LOCALE_CONFIG = 0x0040,
 361	MR_EVT_LOCALE_CLUSTER = 0x0080,
 362	MR_EVT_LOCALE_ALL = 0xffff,
 363
 364};
 365
 366enum MR_EVT_ARGS {
 367
 368	MR_EVT_ARGS_NONE,
 369	MR_EVT_ARGS_CDB_SENSE,
 370	MR_EVT_ARGS_LD,
 371	MR_EVT_ARGS_LD_COUNT,
 372	MR_EVT_ARGS_LD_LBA,
 373	MR_EVT_ARGS_LD_OWNER,
 374	MR_EVT_ARGS_LD_LBA_PD_LBA,
 375	MR_EVT_ARGS_LD_PROG,
 376	MR_EVT_ARGS_LD_STATE,
 377	MR_EVT_ARGS_LD_STRIP,
 378	MR_EVT_ARGS_PD,
 379	MR_EVT_ARGS_PD_ERR,
 380	MR_EVT_ARGS_PD_LBA,
 381	MR_EVT_ARGS_PD_LBA_LD,
 382	MR_EVT_ARGS_PD_PROG,
 383	MR_EVT_ARGS_PD_STATE,
 384	MR_EVT_ARGS_PCI,
 385	MR_EVT_ARGS_RATE,
 386	MR_EVT_ARGS_STR,
 387	MR_EVT_ARGS_TIME,
 388	MR_EVT_ARGS_ECC,
 389	MR_EVT_ARGS_LD_PROP,
 390	MR_EVT_ARGS_PD_SPARE,
 391	MR_EVT_ARGS_PD_INDEX,
 392	MR_EVT_ARGS_DIAG_PASS,
 393	MR_EVT_ARGS_DIAG_FAIL,
 394	MR_EVT_ARGS_PD_LBA_LBA,
 395	MR_EVT_ARGS_PORT_PHY,
 396	MR_EVT_ARGS_PD_MISSING,
 397	MR_EVT_ARGS_PD_ADDRESS,
 398	MR_EVT_ARGS_BITMAP,
 399	MR_EVT_ARGS_CONNECTOR,
 400	MR_EVT_ARGS_PD_PD,
 401	MR_EVT_ARGS_PD_FRU,
 402	MR_EVT_ARGS_PD_PATHINFO,
 403	MR_EVT_ARGS_PD_POWER_STATE,
 404	MR_EVT_ARGS_GENERIC,
 405};
 406
 407
 408#define SGE_BUFFER_SIZE	4096
 409#define MEGASAS_CLUSTER_ID_SIZE	16
 410/*
 411 * define constants for device list query options
 412 */
 413enum MR_PD_QUERY_TYPE {
 414	MR_PD_QUERY_TYPE_ALL                = 0,
 415	MR_PD_QUERY_TYPE_STATE              = 1,
 416	MR_PD_QUERY_TYPE_POWER_STATE        = 2,
 417	MR_PD_QUERY_TYPE_MEDIA_TYPE         = 3,
 418	MR_PD_QUERY_TYPE_SPEED              = 4,
 419	MR_PD_QUERY_TYPE_EXPOSED_TO_HOST    = 5,
 420};
 421
 422enum MR_LD_QUERY_TYPE {
 423	MR_LD_QUERY_TYPE_ALL	         = 0,
 424	MR_LD_QUERY_TYPE_EXPOSED_TO_HOST = 1,
 425	MR_LD_QUERY_TYPE_USED_TGT_IDS    = 2,
 426	MR_LD_QUERY_TYPE_CLUSTER_ACCESS  = 3,
 427	MR_LD_QUERY_TYPE_CLUSTER_LOCALE  = 4,
 428};
 429
 430
 431#define MR_EVT_CFG_CLEARED                              0x0004
 432#define MR_EVT_LD_STATE_CHANGE                          0x0051
 433#define MR_EVT_PD_INSERTED                              0x005b
 434#define MR_EVT_PD_REMOVED                               0x0070
 435#define MR_EVT_LD_CREATED                               0x008a
 436#define MR_EVT_LD_DELETED                               0x008b
 437#define MR_EVT_FOREIGN_CFG_IMPORTED                     0x00db
 438#define MR_EVT_LD_OFFLINE                               0x00fc
 439#define MR_EVT_CTRL_HOST_BUS_SCAN_REQUESTED             0x0152
 440#define MR_EVT_CTRL_PROP_CHANGED			0x012f
 441
 442enum MR_PD_STATE {
 443	MR_PD_STATE_UNCONFIGURED_GOOD   = 0x00,
 444	MR_PD_STATE_UNCONFIGURED_BAD    = 0x01,
 445	MR_PD_STATE_HOT_SPARE           = 0x02,
 446	MR_PD_STATE_OFFLINE             = 0x10,
 447	MR_PD_STATE_FAILED              = 0x11,
 448	MR_PD_STATE_REBUILD             = 0x14,
 449	MR_PD_STATE_ONLINE              = 0x18,
 450	MR_PD_STATE_COPYBACK            = 0x20,
 451	MR_PD_STATE_SYSTEM              = 0x40,
 452 };
 453
 454union MR_PD_REF {
 455	struct {
 456		u16	 deviceId;
 457		u16	 seqNum;
 458	} mrPdRef;
 459	u32	 ref;
 460};
 461
 462/*
 463 * define the DDF Type bit structure
 464 */
 465union MR_PD_DDF_TYPE {
 466	 struct {
 467		union {
 468			struct {
 469#ifndef __BIG_ENDIAN_BITFIELD
 470				 u16	 forcedPDGUID:1;
 471				 u16	 inVD:1;
 472				 u16	 isGlobalSpare:1;
 473				 u16	 isSpare:1;
 474				 u16	 isForeign:1;
 475				 u16	 reserved:7;
 476				 u16	 intf:4;
 477#else
 478				 u16	 intf:4;
 479				 u16	 reserved:7;
 480				 u16	 isForeign:1;
 481				 u16	 isSpare:1;
 482				 u16	 isGlobalSpare:1;
 483				 u16	 inVD:1;
 484				 u16	 forcedPDGUID:1;
 485#endif
 486			 } pdType;
 487			 u16	 type;
 488		 };
 489		 u16	 reserved;
 490	 } ddf;
 491	 struct {
 492		 u32	reserved;
 493	 } nonDisk;
 494	 u32	 type;
 495} __packed;
 496
 497/*
 498 * defines the progress structure
 499 */
 500union MR_PROGRESS {
 501	struct  {
 502		u16 progress;
 503		union {
 504			u16 elapsedSecs;
 505			u16 elapsedSecsForLastPercent;
 506		};
 507	} mrProgress;
 508	u32 w;
 509} __packed;
 510
 511/*
 512 * defines the physical drive progress structure
 513 */
 514struct MR_PD_PROGRESS {
 515	struct {
 516#ifndef __BIG_ENDIAN_BITFIELD
 517		u32     rbld:1;
 518		u32     patrol:1;
 519		u32     clear:1;
 520		u32     copyBack:1;
 521		u32     erase:1;
 522		u32     locate:1;
 523		u32     reserved:26;
 524#else
 525		u32     reserved:26;
 526		u32     locate:1;
 527		u32     erase:1;
 528		u32     copyBack:1;
 529		u32     clear:1;
 530		u32     patrol:1;
 531		u32     rbld:1;
 532#endif
 533	} active;
 534	union MR_PROGRESS     rbld;
 535	union MR_PROGRESS     patrol;
 536	union {
 537		union MR_PROGRESS     clear;
 538		union MR_PROGRESS     erase;
 539	};
 540
 541	struct {
 542#ifndef __BIG_ENDIAN_BITFIELD
 543		u32     rbld:1;
 544		u32     patrol:1;
 545		u32     clear:1;
 546		u32     copyBack:1;
 547		u32     erase:1;
 548		u32     reserved:27;
 549#else
 550		u32     reserved:27;
 551		u32     erase:1;
 552		u32     copyBack:1;
 553		u32     clear:1;
 554		u32     patrol:1;
 555		u32     rbld:1;
 556#endif
 557	} pause;
 558
 559	union MR_PROGRESS     reserved[3];
 560} __packed;
 561
 562struct  MR_PD_INFO {
 563	union MR_PD_REF	ref;
 564	u8 inquiryData[96];
 565	u8 vpdPage83[64];
 566	u8 notSupported;
 567	u8 scsiDevType;
 568
 569	union {
 570		u8 connectedPortBitmap;
 571		u8 connectedPortNumbers;
 572	};
 573
 574	u8 deviceSpeed;
 575	u32 mediaErrCount;
 576	u32 otherErrCount;
 577	u32 predFailCount;
 578	u32 lastPredFailEventSeqNum;
 579
 580	u16 fwState;
 581	u8 disabledForRemoval;
 582	u8 linkSpeed;
 583	union MR_PD_DDF_TYPE state;
 584
 585	struct {
 586		u8 count;
 587#ifndef __BIG_ENDIAN_BITFIELD
 588		u8 isPathBroken:4;
 589		u8 reserved3:3;
 590		u8 widePortCapable:1;
 591#else
 592		u8 widePortCapable:1;
 593		u8 reserved3:3;
 594		u8 isPathBroken:4;
 595#endif
 596
 597		u8 connectorIndex[2];
 598		u8 reserved[4];
 599		u64 sasAddr[2];
 600		u8 reserved2[16];
 601	} pathInfo;
 602
 603	u64 rawSize;
 604	u64 nonCoercedSize;
 605	u64 coercedSize;
 606	u16 enclDeviceId;
 607	u8 enclIndex;
 608
 609	union {
 610		u8 slotNumber;
 611		u8 enclConnectorIndex;
 612	};
 613
 614	struct MR_PD_PROGRESS progInfo;
 615	u8 badBlockTableFull;
 616	u8 unusableInCurrentConfig;
 617	u8 vpdPage83Ext[64];
 618	u8 powerState;
 619	u8 enclPosition;
 620	u32 allowedOps;
 621	u16 copyBackPartnerId;
 622	u16 enclPartnerDeviceId;
 623	struct {
 624#ifndef __BIG_ENDIAN_BITFIELD
 625		u16 fdeCapable:1;
 626		u16 fdeEnabled:1;
 627		u16 secured:1;
 628		u16 locked:1;
 629		u16 foreign:1;
 630		u16 needsEKM:1;
 631		u16 reserved:10;
 632#else
 633		u16 reserved:10;
 634		u16 needsEKM:1;
 635		u16 foreign:1;
 636		u16 locked:1;
 637		u16 secured:1;
 638		u16 fdeEnabled:1;
 639		u16 fdeCapable:1;
 640#endif
 641	} security;
 642	u8 mediaType;
 643	u8 notCertified;
 644	u8 bridgeVendor[8];
 645	u8 bridgeProductIdentification[16];
 646	u8 bridgeProductRevisionLevel[4];
 647	u8 satBridgeExists;
 648
 649	u8 interfaceType;
 650	u8 temperature;
 651	u8 emulatedBlockSize;
 652	u16 userDataBlockSize;
 653	u16 reserved2;
 654
 655	struct {
 656#ifndef __BIG_ENDIAN_BITFIELD
 657		u32 piType:3;
 658		u32 piFormatted:1;
 659		u32 piEligible:1;
 660		u32 NCQ:1;
 661		u32 WCE:1;
 662		u32 commissionedSpare:1;
 663		u32 emergencySpare:1;
 664		u32 ineligibleForSSCD:1;
 665		u32 ineligibleForLd:1;
 666		u32 useSSEraseType:1;
 667		u32 wceUnchanged:1;
 668		u32 supportScsiUnmap:1;
 669		u32 reserved:18;
 670#else
 671		u32 reserved:18;
 672		u32 supportScsiUnmap:1;
 673		u32 wceUnchanged:1;
 674		u32 useSSEraseType:1;
 675		u32 ineligibleForLd:1;
 676		u32 ineligibleForSSCD:1;
 677		u32 emergencySpare:1;
 678		u32 commissionedSpare:1;
 679		u32 WCE:1;
 680		u32 NCQ:1;
 681		u32 piEligible:1;
 682		u32 piFormatted:1;
 683		u32 piType:3;
 684#endif
 685	} properties;
 686
 687	u64 shieldDiagCompletionTime;
 688	u8 shieldCounter;
 689
 690	u8 linkSpeedOther;
 691	u8 reserved4[2];
 692
 693	struct {
 694#ifndef __BIG_ENDIAN_BITFIELD
 695		u32 bbmErrCountSupported:1;
 696		u32 bbmErrCount:31;
 697#else
 698		u32 bbmErrCount:31;
 699		u32 bbmErrCountSupported:1;
 700#endif
 701	} bbmErr;
 702
 703	u8 reserved1[512-428];
 704} __packed;
 705
 706/*
 707 * Definition of structure used to expose attributes of VD or JBOD
 708 * (this structure is to be filled by firmware when MR_DCMD_DRV_GET_TARGET_PROP
 709 * is fired by driver)
 710 */
 711struct MR_TARGET_PROPERTIES {
 712	u32    max_io_size_kb;
 713	u32    device_qdepth;
 714	u32    sector_size;
 715	u8     reset_tmo;
 716	u8     reserved[499];
 717} __packed;
 718
 719 /*
 720 * defines the physical drive address structure
 721 */
 722struct MR_PD_ADDRESS {
 723	__le16	deviceId;
 724	u16     enclDeviceId;
 725
 726	union {
 727		struct {
 728			u8  enclIndex;
 729			u8  slotNumber;
 730		} mrPdAddress;
 731		struct {
 732			u8  enclPosition;
 733			u8  enclConnectorIndex;
 734		} mrEnclAddress;
 735	};
 736	u8      scsiDevType;
 737	union {
 738		u8      connectedPortBitmap;
 739		u8      connectedPortNumbers;
 740	};
 741	u64     sasAddr[2];
 742} __packed;
 743
 744/*
 745 * defines the physical drive list structure
 746 */
 747struct MR_PD_LIST {
 748	__le32		size;
 749	__le32		count;
 750	struct MR_PD_ADDRESS   addr[1];
 751} __packed;
 752
 753struct megasas_pd_list {
 754	u16             tid;
 755	u8             driveType;
 756	u8             driveState;
 757} __packed;
 758
 759 /*
 760 * defines the logical drive reference structure
 761 */
 762union  MR_LD_REF {
 763	struct {
 764		u8      targetId;
 765		u8      reserved;
 766		__le16     seqNum;
 767	};
 768	__le32     ref;
 769} __packed;
 770
 771/*
 772 * defines the logical drive list structure
 773 */
 774struct MR_LD_LIST {
 775	__le32     ldCount;
 776	__le32     reserved;
 777	struct {
 778		union MR_LD_REF   ref;
 779		u8          state;
 780		u8          reserved[3];
 781		__le64		size;
 782	} ldList[MAX_LOGICAL_DRIVES_EXT];
 783} __packed;
 784
 785struct MR_LD_TARGETID_LIST {
 786	__le32	size;
 787	__le32	count;
 788	u8	pad[3];
 789	u8	targetId[MAX_LOGICAL_DRIVES_EXT];
 790};
 791
 792struct MR_HOST_DEVICE_LIST_ENTRY {
 793	struct {
 794		union {
 795			struct {
 796#if defined(__BIG_ENDIAN_BITFIELD)
 797				u8 reserved:7;
 798				u8 is_sys_pd:1;
 799#else
 800				u8 is_sys_pd:1;
 801				u8 reserved:7;
 802#endif
 803			} bits;
 804			u8 byte;
 805		} u;
 806	} flags;
 807	u8 scsi_type;
 808	__le16 target_id;
 809	u8 reserved[4];
 810	__le64 sas_addr[2];
 811} __packed;
 812
 813struct MR_HOST_DEVICE_LIST {
 814	__le32			size;
 815	__le32			count;
 816	__le32			reserved[2];
 817	struct MR_HOST_DEVICE_LIST_ENTRY	host_device_list[1];
 818} __packed;
 819
 820#define HOST_DEVICE_LIST_SZ (sizeof(struct MR_HOST_DEVICE_LIST) +	       \
 821			      (sizeof(struct MR_HOST_DEVICE_LIST_ENTRY) *      \
 822			      (MEGASAS_MAX_PD + MAX_LOGICAL_DRIVES_EXT - 1)))
 823
 824
 825/*
 826 * SAS controller properties
 827 */
 828struct megasas_ctrl_prop {
 829
 830	u16 seq_num;
 831	u16 pred_fail_poll_interval;
 832	u16 intr_throttle_count;
 833	u16 intr_throttle_timeouts;
 834	u8 rebuild_rate;
 835	u8 patrol_read_rate;
 836	u8 bgi_rate;
 837	u8 cc_rate;
 838	u8 recon_rate;
 839	u8 cache_flush_interval;
 840	u8 spinup_drv_count;
 841	u8 spinup_delay;
 842	u8 cluster_enable;
 843	u8 coercion_mode;
 844	u8 alarm_enable;
 845	u8 disable_auto_rebuild;
 846	u8 disable_battery_warn;
 847	u8 ecc_bucket_size;
 848	u16 ecc_bucket_leak_rate;
 849	u8 restore_hotspare_on_insertion;
 850	u8 expose_encl_devices;
 851	u8 maintainPdFailHistory;
 852	u8 disallowHostRequestReordering;
 853	u8 abortCCOnError;
 854	u8 loadBalanceMode;
 855	u8 disableAutoDetectBackplane;
 856
 857	u8 snapVDSpace;
 858
 859	/*
 860	* Add properties that can be controlled by
 861	* a bit in the following structure.
 862	*/
 863	struct {
 864#if   defined(__BIG_ENDIAN_BITFIELD)
 865		u32     reserved:18;
 866		u32     enableJBOD:1;
 867		u32     disableSpinDownHS:1;
 868		u32     allowBootWithPinnedCache:1;
 869		u32     disableOnlineCtrlReset:1;
 870		u32     enableSecretKeyControl:1;
 871		u32     autoEnhancedImport:1;
 872		u32     enableSpinDownUnconfigured:1;
 873		u32     SSDPatrolReadEnabled:1;
 874		u32     SSDSMARTerEnabled:1;
 875		u32     disableNCQ:1;
 876		u32     useFdeOnly:1;
 877		u32     prCorrectUnconfiguredAreas:1;
 878		u32     SMARTerEnabled:1;
 879		u32     copyBackDisabled:1;
 880#else
 881		u32     copyBackDisabled:1;
 882		u32     SMARTerEnabled:1;
 883		u32     prCorrectUnconfiguredAreas:1;
 884		u32     useFdeOnly:1;
 885		u32     disableNCQ:1;
 886		u32     SSDSMARTerEnabled:1;
 887		u32     SSDPatrolReadEnabled:1;
 888		u32     enableSpinDownUnconfigured:1;
 889		u32     autoEnhancedImport:1;
 890		u32     enableSecretKeyControl:1;
 891		u32     disableOnlineCtrlReset:1;
 892		u32     allowBootWithPinnedCache:1;
 893		u32     disableSpinDownHS:1;
 894		u32     enableJBOD:1;
 895		u32     reserved:18;
 896#endif
 897	} OnOffProperties;
 898
 899	union {
 900		u8 autoSnapVDSpace;
 901		u8 viewSpace;
 902		struct {
 903#if   defined(__BIG_ENDIAN_BITFIELD)
 904			u16 reserved3:9;
 905			u16 enable_fw_dev_list:1;
 906			u16 reserved2:1;
 907			u16 enable_snap_dump:1;
 908			u16 reserved1:4;
 909#else
 910			u16 reserved1:4;
 911			u16 enable_snap_dump:1;
 912			u16 reserved2:1;
 913			u16 enable_fw_dev_list:1;
 914			u16 reserved3:9;
 915#endif
 916		} on_off_properties2;
 917	};
 918	__le16 spinDownTime;
 919	u8  reserved[24];
 920} __packed;
 921
 922/*
 923 * SAS controller information
 924 */
 925struct megasas_ctrl_info {
 926
 927	/*
 928	 * PCI device information
 929	 */
 930	struct {
 931
 932		__le16 vendor_id;
 933		__le16 device_id;
 934		__le16 sub_vendor_id;
 935		__le16 sub_device_id;
 936		u8 reserved[24];
 937
 938	} __attribute__ ((packed)) pci;
 939
 940	/*
 941	 * Host interface information
 942	 */
 943	struct {
 944
 945		u8 PCIX:1;
 946		u8 PCIE:1;
 947		u8 iSCSI:1;
 948		u8 SAS_3G:1;
 949		u8 SRIOV:1;
 950		u8 reserved_0:3;
 951		u8 reserved_1[6];
 952		u8 port_count;
 953		u64 port_addr[8];
 954
 955	} __attribute__ ((packed)) host_interface;
 956
 957	/*
 958	 * Device (backend) interface information
 959	 */
 960	struct {
 961
 962		u8 SPI:1;
 963		u8 SAS_3G:1;
 964		u8 SATA_1_5G:1;
 965		u8 SATA_3G:1;
 966		u8 reserved_0:4;
 967		u8 reserved_1[6];
 968		u8 port_count;
 969		u64 port_addr[8];
 970
 971	} __attribute__ ((packed)) device_interface;
 972
 973	/*
 974	 * List of components residing in flash. All str are null terminated
 975	 */
 976	__le32 image_check_word;
 977	__le32 image_component_count;
 978
 979	struct {
 980
 981		char name[8];
 982		char version[32];
 983		char build_date[16];
 984		char built_time[16];
 985
 986	} __attribute__ ((packed)) image_component[8];
 987
 988	/*
 989	 * List of flash components that have been flashed on the card, but
 990	 * are not in use, pending reset of the adapter. This list will be
 991	 * empty if a flash operation has not occurred. All stings are null
 992	 * terminated
 993	 */
 994	__le32 pending_image_component_count;
 995
 996	struct {
 997
 998		char name[8];
 999		char version[32];
1000		char build_date[16];
1001		char build_time[16];
1002
1003	} __attribute__ ((packed)) pending_image_component[8];
1004
1005	u8 max_arms;
1006	u8 max_spans;
1007	u8 max_arrays;
1008	u8 max_lds;
1009
1010	char product_name[80];
1011	char serial_no[32];
1012
1013	/*
1014	 * Other physical/controller/operation information. Indicates the
1015	 * presence of the hardware
1016	 */
1017	struct {
1018
1019		u32 bbu:1;
1020		u32 alarm:1;
1021		u32 nvram:1;
1022		u32 uart:1;
1023		u32 reserved:28;
1024
1025	} __attribute__ ((packed)) hw_present;
1026
1027	__le32 current_fw_time;
1028
1029	/*
1030	 * Maximum data transfer sizes
1031	 */
1032	__le16 max_concurrent_cmds;
1033	__le16 max_sge_count;
1034	__le32 max_request_size;
1035
1036	/*
1037	 * Logical and physical device counts
1038	 */
1039	__le16 ld_present_count;
1040	__le16 ld_degraded_count;
1041	__le16 ld_offline_count;
1042
1043	__le16 pd_present_count;
1044	__le16 pd_disk_present_count;
1045	__le16 pd_disk_pred_failure_count;
1046	__le16 pd_disk_failed_count;
1047
1048	/*
1049	 * Memory size information
1050	 */
1051	__le16 nvram_size;
1052	__le16 memory_size;
1053	__le16 flash_size;
1054
1055	/*
1056	 * Error counters
1057	 */
1058	__le16 mem_correctable_error_count;
1059	__le16 mem_uncorrectable_error_count;
1060
1061	/*
1062	 * Cluster information
1063	 */
1064	u8 cluster_permitted;
1065	u8 cluster_active;
1066
1067	/*
1068	 * Additional max data transfer sizes
1069	 */
1070	__le16 max_strips_per_io;
1071
1072	/*
1073	 * Controller capabilities structures
1074	 */
1075	struct {
1076
1077		u32 raid_level_0:1;
1078		u32 raid_level_1:1;
1079		u32 raid_level_5:1;
1080		u32 raid_level_1E:1;
1081		u32 raid_level_6:1;
1082		u32 reserved:27;
1083
1084	} __attribute__ ((packed)) raid_levels;
1085
1086	struct {
1087
1088		u32 rbld_rate:1;
1089		u32 cc_rate:1;
1090		u32 bgi_rate:1;
1091		u32 recon_rate:1;
1092		u32 patrol_rate:1;
1093		u32 alarm_control:1;
1094		u32 cluster_supported:1;
1095		u32 bbu:1;
1096		u32 spanning_allowed:1;
1097		u32 dedicated_hotspares:1;
1098		u32 revertible_hotspares:1;
1099		u32 foreign_config_import:1;
1100		u32 self_diagnostic:1;
1101		u32 mixed_redundancy_arr:1;
1102		u32 global_hot_spares:1;
1103		u32 reserved:17;
1104
1105	} __attribute__ ((packed)) adapter_operations;
1106
1107	struct {
1108
1109		u32 read_policy:1;
1110		u32 write_policy:1;
1111		u32 io_policy:1;
1112		u32 access_policy:1;
1113		u32 disk_cache_policy:1;
1114		u32 reserved:27;
1115
1116	} __attribute__ ((packed)) ld_operations;
1117
1118	struct {
1119
1120		u8 min;
1121		u8 max;
1122		u8 reserved[2];
1123
1124	} __attribute__ ((packed)) stripe_sz_ops;
1125
1126	struct {
1127
1128		u32 force_online:1;
1129		u32 force_offline:1;
1130		u32 force_rebuild:1;
1131		u32 reserved:29;
1132
1133	} __attribute__ ((packed)) pd_operations;
1134
1135	struct {
1136
1137		u32 ctrl_supports_sas:1;
1138		u32 ctrl_supports_sata:1;
1139		u32 allow_mix_in_encl:1;
1140		u32 allow_mix_in_ld:1;
1141		u32 allow_sata_in_cluster:1;
1142		u32 reserved:27;
1143
1144	} __attribute__ ((packed)) pd_mix_support;
1145
1146	/*
1147	 * Define ECC single-bit-error bucket information
1148	 */
1149	u8 ecc_bucket_count;
1150	u8 reserved_2[11];
1151
1152	/*
1153	 * Include the controller properties (changeable items)
1154	 */
1155	struct megasas_ctrl_prop properties;
1156
1157	/*
1158	 * Define FW pkg version (set in envt v'bles on OEM basis)
1159	 */
1160	char package_version[0x60];
1161
 
1162
1163	/*
1164	* If adapterOperations.supportMoreThan8Phys is set,
1165	* and deviceInterface.portCount is greater than 8,
1166	* SAS Addrs for first 8 ports shall be populated in
1167	* deviceInterface.portAddr, and the rest shall be
1168	* populated in deviceInterfacePortAddr2.
1169	*/
1170	__le64	    deviceInterfacePortAddr2[8]; /*6a0h */
1171	u8          reserved3[128];              /*6e0h */
1172
1173	struct {                                /*760h */
1174		u16 minPdRaidLevel_0:4;
1175		u16 maxPdRaidLevel_0:12;
1176
1177		u16 minPdRaidLevel_1:4;
1178		u16 maxPdRaidLevel_1:12;
1179
1180		u16 minPdRaidLevel_5:4;
1181		u16 maxPdRaidLevel_5:12;
1182
1183		u16 minPdRaidLevel_1E:4;
1184		u16 maxPdRaidLevel_1E:12;
1185
1186		u16 minPdRaidLevel_6:4;
1187		u16 maxPdRaidLevel_6:12;
1188
1189		u16 minPdRaidLevel_10:4;
1190		u16 maxPdRaidLevel_10:12;
1191
1192		u16 minPdRaidLevel_50:4;
1193		u16 maxPdRaidLevel_50:12;
1194
1195		u16 minPdRaidLevel_60:4;
1196		u16 maxPdRaidLevel_60:12;
1197
1198		u16 minPdRaidLevel_1E_RLQ0:4;
1199		u16 maxPdRaidLevel_1E_RLQ0:12;
1200
1201		u16 minPdRaidLevel_1E0_RLQ0:4;
1202		u16 maxPdRaidLevel_1E0_RLQ0:12;
1203
1204		u16 reserved[6];
1205	} pdsForRaidLevels;
1206
1207	__le16 maxPds;                          /*780h */
1208	__le16 maxDedHSPs;                      /*782h */
1209	__le16 maxGlobalHSP;                    /*784h */
1210	__le16 ddfSize;                         /*786h */
1211	u8  maxLdsPerArray;                     /*788h */
1212	u8  partitionsInDDF;                    /*789h */
1213	u8  lockKeyBinding;                     /*78ah */
1214	u8  maxPITsPerLd;                       /*78bh */
1215	u8  maxViewsPerLd;                      /*78ch */
1216	u8  maxTargetId;                        /*78dh */
1217	__le16 maxBvlVdSize;                    /*78eh */
1218
1219	__le16 maxConfigurableSSCSize;          /*790h */
1220	__le16 currentSSCsize;                  /*792h */
1221
1222	char    expanderFwVersion[12];          /*794h */
1223
1224	__le16 PFKTrialTimeRemaining;           /*7A0h */
1225
1226	__le16 cacheMemorySize;                 /*7A2h */
1227
1228	struct {                                /*7A4h */
1229#if   defined(__BIG_ENDIAN_BITFIELD)
1230		u32     reserved:5;
1231		u32	activePassive:2;
1232		u32	supportConfigAutoBalance:1;
1233		u32	mpio:1;
1234		u32	supportDataLDonSSCArray:1;
1235		u32	supportPointInTimeProgress:1;
1236		u32     supportUnevenSpans:1;
1237		u32     dedicatedHotSparesLimited:1;
1238		u32     headlessMode:1;
1239		u32     supportEmulatedDrives:1;
1240		u32     supportResetNow:1;
1241		u32     realTimeScheduler:1;
1242		u32     supportSSDPatrolRead:1;
1243		u32     supportPerfTuning:1;
1244		u32     disableOnlinePFKChange:1;
1245		u32     supportJBOD:1;
1246		u32     supportBootTimePFKChange:1;
1247		u32     supportSetLinkSpeed:1;
1248		u32     supportEmergencySpares:1;
1249		u32     supportSuspendResumeBGops:1;
1250		u32     blockSSDWriteCacheChange:1;
1251		u32     supportShieldState:1;
1252		u32     supportLdBBMInfo:1;
1253		u32     supportLdPIType3:1;
1254		u32     supportLdPIType2:1;
1255		u32     supportLdPIType1:1;
1256		u32     supportPIcontroller:1;
1257#else
1258		u32     supportPIcontroller:1;
1259		u32     supportLdPIType1:1;
1260		u32     supportLdPIType2:1;
1261		u32     supportLdPIType3:1;
1262		u32     supportLdBBMInfo:1;
1263		u32     supportShieldState:1;
1264		u32     blockSSDWriteCacheChange:1;
1265		u32     supportSuspendResumeBGops:1;
1266		u32     supportEmergencySpares:1;
1267		u32     supportSetLinkSpeed:1;
1268		u32     supportBootTimePFKChange:1;
1269		u32     supportJBOD:1;
1270		u32     disableOnlinePFKChange:1;
1271		u32     supportPerfTuning:1;
1272		u32     supportSSDPatrolRead:1;
1273		u32     realTimeScheduler:1;
1274
1275		u32     supportResetNow:1;
1276		u32     supportEmulatedDrives:1;
1277		u32     headlessMode:1;
1278		u32     dedicatedHotSparesLimited:1;
1279
1280
1281		u32     supportUnevenSpans:1;
1282		u32	supportPointInTimeProgress:1;
1283		u32	supportDataLDonSSCArray:1;
1284		u32	mpio:1;
1285		u32	supportConfigAutoBalance:1;
1286		u32	activePassive:2;
1287		u32     reserved:5;
1288#endif
1289	} adapterOperations2;
1290
1291	u8  driverVersion[32];                  /*7A8h */
1292	u8  maxDAPdCountSpinup60;               /*7C8h */
1293	u8  temperatureROC;                     /*7C9h */
1294	u8  temperatureCtrl;                    /*7CAh */
1295	u8  reserved4;                          /*7CBh */
1296	__le16 maxConfigurablePds;              /*7CCh */
1297
1298
1299	u8  reserved5[2];                       /*0x7CDh */
1300
1301	/*
1302	* HA cluster information
1303	*/
1304	struct {
1305#if defined(__BIG_ENDIAN_BITFIELD)
1306		u32     reserved:25;
1307		u32     passive:1;
1308		u32     premiumFeatureMismatch:1;
1309		u32     ctrlPropIncompatible:1;
1310		u32     fwVersionMismatch:1;
1311		u32     hwIncompatible:1;
1312		u32     peerIsIncompatible:1;
1313		u32     peerIsPresent:1;
1314#else
1315		u32     peerIsPresent:1;
1316		u32     peerIsIncompatible:1;
1317		u32     hwIncompatible:1;
1318		u32     fwVersionMismatch:1;
1319		u32     ctrlPropIncompatible:1;
1320		u32     premiumFeatureMismatch:1;
1321		u32     passive:1;
1322		u32     reserved:25;
1323#endif
1324	} cluster;
1325
1326	char clusterId[MEGASAS_CLUSTER_ID_SIZE]; /*0x7D4 */
1327	struct {
1328		u8  maxVFsSupported;            /*0x7E4*/
1329		u8  numVFsEnabled;              /*0x7E5*/
1330		u8  requestorId;                /*0x7E6 0:PF, 1:VF1, 2:VF2*/
1331		u8  reserved;                   /*0x7E7*/
1332	} iov;
1333
1334	struct {
1335#if defined(__BIG_ENDIAN_BITFIELD)
1336		u32     reserved:7;
1337		u32     useSeqNumJbodFP:1;
1338		u32     supportExtendedSSCSize:1;
1339		u32     supportDiskCacheSettingForSysPDs:1;
1340		u32     supportCPLDUpdate:1;
1341		u32     supportTTYLogCompression:1;
1342		u32     discardCacheDuringLDDelete:1;
1343		u32     supportSecurityonJBOD:1;
1344		u32     supportCacheBypassModes:1;
1345		u32     supportDisableSESMonitoring:1;
1346		u32     supportForceFlash:1;
1347		u32     supportNVDRAM:1;
1348		u32     supportDrvActivityLEDSetting:1;
1349		u32     supportAllowedOpsforDrvRemoval:1;
1350		u32     supportHOQRebuild:1;
1351		u32     supportForceTo512e:1;
1352		u32     supportNVCacheErase:1;
1353		u32     supportDebugQueue:1;
1354		u32     supportSwZone:1;
1355		u32     supportCrashDump:1;
1356		u32     supportMaxExtLDs:1;
1357		u32     supportT10RebuildAssist:1;
1358		u32     supportDisableImmediateIO:1;
1359		u32     supportThermalPollInterval:1;
1360		u32     supportPersonalityChange:2;
1361#else
1362		u32     supportPersonalityChange:2;
1363		u32     supportThermalPollInterval:1;
1364		u32     supportDisableImmediateIO:1;
1365		u32     supportT10RebuildAssist:1;
1366		u32	supportMaxExtLDs:1;
1367		u32	supportCrashDump:1;
1368		u32     supportSwZone:1;
1369		u32     supportDebugQueue:1;
1370		u32     supportNVCacheErase:1;
1371		u32     supportForceTo512e:1;
1372		u32     supportHOQRebuild:1;
1373		u32     supportAllowedOpsforDrvRemoval:1;
1374		u32     supportDrvActivityLEDSetting:1;
1375		u32     supportNVDRAM:1;
1376		u32     supportForceFlash:1;
1377		u32     supportDisableSESMonitoring:1;
1378		u32     supportCacheBypassModes:1;
1379		u32     supportSecurityonJBOD:1;
1380		u32     discardCacheDuringLDDelete:1;
1381		u32     supportTTYLogCompression:1;
1382		u32     supportCPLDUpdate:1;
1383		u32     supportDiskCacheSettingForSysPDs:1;
1384		u32     supportExtendedSSCSize:1;
1385		u32     useSeqNumJbodFP:1;
1386		u32     reserved:7;
1387#endif
1388	} adapterOperations3;
1389
1390	struct {
1391#if defined(__BIG_ENDIAN_BITFIELD)
1392	u8 reserved:7;
1393	/* Indicates whether the CPLD image is part of
1394	 *  the package and stored in flash
1395	 */
1396	u8 cpld_in_flash:1;
1397#else
1398	u8 cpld_in_flash:1;
1399	u8 reserved:7;
1400#endif
1401	u8 reserved1[3];
1402	/* Null terminated string. Has the version
1403	 *  information if cpld_in_flash = FALSE
1404	 */
1405	u8 userCodeDefinition[12];
1406	} cpld;  /* Valid only if upgradableCPLD is TRUE */
1407
1408	struct {
1409	#if defined(__BIG_ENDIAN_BITFIELD)
1410		u16 reserved:2;
1411		u16 support_nvme_passthru:1;
1412		u16 support_pl_debug_info:1;
1413		u16 support_flash_comp_info:1;
1414		u16 support_host_info:1;
1415		u16 support_dual_fw_update:1;
1416		u16 support_ssc_rev3:1;
1417		u16 fw_swaps_bbu_vpd_info:1;
1418		u16 support_pd_map_target_id:1;
1419		u16 support_ses_ctrl_in_multipathcfg:1;
1420		u16 image_upload_supported:1;
1421		u16 support_encrypted_mfc:1;
1422		u16 supported_enc_algo:1;
1423		u16 support_ibutton_less:1;
1424		u16 ctrl_info_ext_supported:1;
1425	#else
1426
1427		u16 ctrl_info_ext_supported:1;
1428		u16 support_ibutton_less:1;
1429		u16 supported_enc_algo:1;
1430		u16 support_encrypted_mfc:1;
1431		u16 image_upload_supported:1;
1432		/* FW supports LUN based association and target port based */
1433		u16 support_ses_ctrl_in_multipathcfg:1;
1434		/* association for the SES device connected in multipath mode */
1435		/* FW defines Jbod target Id within MR_PD_CFG_SEQ */
1436		u16 support_pd_map_target_id:1;
1437		/* FW swaps relevant fields in MR_BBU_VPD_INFO_FIXED to
1438		 *  provide the data in little endian order
1439		 */
1440		u16 fw_swaps_bbu_vpd_info:1;
1441		u16 support_ssc_rev3:1;
1442		/* FW supports CacheCade 3.0, only one SSCD creation allowed */
1443		u16 support_dual_fw_update:1;
1444		/* FW supports dual firmware update feature */
1445		u16 support_host_info:1;
1446		/* FW supports MR_DCMD_CTRL_HOST_INFO_SET/GET */
1447		u16 support_flash_comp_info:1;
1448		/* FW supports MR_DCMD_CTRL_FLASH_COMP_INFO_GET */
1449		u16 support_pl_debug_info:1;
1450		/* FW supports retrieval of PL debug information through apps */
1451		u16 support_nvme_passthru:1;
1452		/* FW supports NVMe passthru commands */
1453		u16 reserved:2;
1454	#endif
1455		} adapter_operations4;
1456	u8 pad[0x800 - 0x7FE]; /* 0x7FE pad to 2K for expansion */
1457
1458	u32 size;
1459	u32 pad1;
1460
1461	u8 reserved6[64];
1462
1463	struct {
1464	#if defined(__BIG_ENDIAN_BITFIELD)
1465		u32 reserved:19;
1466		u32 support_pci_lane_margining: 1;
1467		u32 support_psoc_update:1;
1468		u32 support_force_personality_change:1;
1469		u32 support_fde_type_mix:1;
1470		u32 support_snap_dump:1;
1471		u32 support_nvme_tm:1;
1472		u32 support_oce_only:1;
1473		u32 support_ext_mfg_vpd:1;
1474		u32 support_pcie:1;
1475		u32 support_cvhealth_info:1;
1476		u32 support_profile_change:2;
1477		u32 mr_config_ext2_supported:1;
1478	#else
1479		u32 mr_config_ext2_supported:1;
1480		u32 support_profile_change:2;
1481		u32 support_cvhealth_info:1;
1482		u32 support_pcie:1;
1483		u32 support_ext_mfg_vpd:1;
1484		u32 support_oce_only:1;
1485		u32 support_nvme_tm:1;
1486		u32 support_snap_dump:1;
1487		u32 support_fde_type_mix:1;
1488		u32 support_force_personality_change:1;
1489		u32 support_psoc_update:1;
1490		u32 support_pci_lane_margining: 1;
1491		u32 reserved:19;
1492	#endif
1493	} adapter_operations5;
1494
1495	u32 rsvdForAdptOp[63];
1496
1497	u8 reserved7[3];
1498
1499	u8 TaskAbortTO;	/* Timeout value in seconds used by Abort Task TM */
1500	u8 MaxResetTO;	/* Max Supported Reset timeout in seconds. */
1501	u8 reserved8[3];
1502} __packed;
1503
1504/*
1505 * ===============================
1506 * MegaRAID SAS driver definitions
1507 * ===============================
1508 */
1509#define MEGASAS_MAX_PD_CHANNELS			2
1510#define MEGASAS_MAX_LD_CHANNELS			2
1511#define MEGASAS_MAX_CHANNELS			(MEGASAS_MAX_PD_CHANNELS + \
1512						MEGASAS_MAX_LD_CHANNELS)
1513#define MEGASAS_MAX_DEV_PER_CHANNEL		128
1514#define MEGASAS_DEFAULT_INIT_ID			-1
1515#define MEGASAS_MAX_LUN				8
1516#define MEGASAS_DEFAULT_CMD_PER_LUN		256
 
1517#define MEGASAS_MAX_PD                          (MEGASAS_MAX_PD_CHANNELS * \
1518						MEGASAS_MAX_DEV_PER_CHANNEL)
1519#define MEGASAS_MAX_LD_IDS			(MEGASAS_MAX_LD_CHANNELS * \
1520						MEGASAS_MAX_DEV_PER_CHANNEL)
1521
1522#define MEGASAS_MAX_SUPPORTED_LD_IDS		240
1523
1524#define MEGASAS_MAX_SECTORS                    (2*1024)
1525#define MEGASAS_MAX_SECTORS_IEEE		(2*128)
1526#define MEGASAS_DBG_LVL				1
1527
1528#define MEGASAS_FW_BUSY				1
1529
1530/* Driver's internal Logging levels*/
1531#define OCR_DEBUG    (1 << 0)
1532#define TM_DEBUG     (1 << 1)
1533#define LD_PD_DEBUG    (1 << 2)
1534
1535#define SCAN_PD_CHANNEL	0x1
1536#define SCAN_VD_CHANNEL	0x2
1537
1538#define MEGASAS_KDUMP_QUEUE_DEPTH               100
1539#define MR_LARGE_IO_MIN_SIZE			(32 * 1024)
1540#define MR_R1_LDIO_PIGGYBACK_DEFAULT		4
1541
1542enum MR_SCSI_CMD_TYPE {
1543	READ_WRITE_LDIO = 0,
1544	NON_READ_WRITE_LDIO = 1,
1545	READ_WRITE_SYSPDIO = 2,
1546	NON_READ_WRITE_SYSPDIO = 3,
1547};
1548
1549enum DCMD_TIMEOUT_ACTION {
1550	INITIATE_OCR = 0,
1551	KILL_ADAPTER = 1,
1552	IGNORE_TIMEOUT = 2,
1553};
1554
1555enum FW_BOOT_CONTEXT {
1556	PROBE_CONTEXT = 0,
1557	OCR_CONTEXT = 1,
1558};
1559
1560/* Frame Type */
1561#define IO_FRAME				0
1562#define PTHRU_FRAME				1
1563
1564/*
1565 * When SCSI mid-layer calls driver's reset routine, driver waits for
1566 * MEGASAS_RESET_WAIT_TIME seconds for all outstanding IO to complete. Note
1567 * that the driver cannot _actually_ abort or reset pending commands. While
1568 * it is waiting for the commands to complete, it prints a diagnostic message
1569 * every MEGASAS_RESET_NOTICE_INTERVAL seconds
1570 */
1571#define MEGASAS_RESET_WAIT_TIME			180
1572#define MEGASAS_INTERNAL_CMD_WAIT_TIME		180
1573#define	MEGASAS_RESET_NOTICE_INTERVAL		5
1574#define MEGASAS_IOCTL_CMD			0
1575#define MEGASAS_DEFAULT_CMD_TIMEOUT		90
1576#define MEGASAS_THROTTLE_QUEUE_DEPTH		16
1577#define MEGASAS_DEFAULT_TM_TIMEOUT		50
1578/*
1579 * FW reports the maximum of number of commands that it can accept (maximum
1580 * commands that can be outstanding) at any time. The driver must report a
1581 * lower number to the mid layer because it can issue a few internal commands
1582 * itself (E.g, AEN, abort cmd, IOCTLs etc). The number of commands it needs
1583 * is shown below
1584 */
1585#define MEGASAS_INT_CMDS			32
1586#define MEGASAS_SKINNY_INT_CMDS			5
1587#define MEGASAS_FUSION_INTERNAL_CMDS		8
1588#define MEGASAS_FUSION_IOCTL_CMDS		3
1589#define MEGASAS_MFI_IOCTL_CMDS			27
1590
1591#define MEGASAS_MAX_MSIX_QUEUES			128
1592/*
1593 * FW can accept both 32 and 64 bit SGLs. We want to allocate 32/64 bit
1594 * SGLs based on the size of dma_addr_t
1595 */
1596#define IS_DMA64				(sizeof(dma_addr_t) == 8)
1597
1598#define MFI_XSCALE_OMR0_CHANGE_INTERRUPT		0x00000001
1599
1600#define MFI_INTR_FLAG_REPLY_MESSAGE			0x00000001
1601#define MFI_INTR_FLAG_FIRMWARE_STATE_CHANGE		0x00000002
1602#define MFI_G2_OUTBOUND_DOORBELL_CHANGE_INTERRUPT	0x00000004
1603
1604#define MFI_OB_INTR_STATUS_MASK			0x00000002
1605#define MFI_POLL_TIMEOUT_SECS			60
1606#define MFI_IO_TIMEOUT_SECS			180
1607#define MEGASAS_SRIOV_HEARTBEAT_INTERVAL_VF	(5 * HZ)
1608#define MEGASAS_OCR_SETTLE_TIME_VF		(1000 * 30)
1609#define MEGASAS_SRIOV_MAX_RESET_TRIES_VF	1
1610#define MEGASAS_ROUTINE_WAIT_TIME_VF		300
1611#define MFI_REPLY_1078_MESSAGE_INTERRUPT	0x80000000
1612#define MFI_REPLY_GEN2_MESSAGE_INTERRUPT	0x00000001
1613#define MFI_GEN2_ENABLE_INTERRUPT_MASK		(0x00000001 | 0x00000004)
1614#define MFI_REPLY_SKINNY_MESSAGE_INTERRUPT	0x40000000
1615#define MFI_SKINNY_ENABLE_INTERRUPT_MASK	(0x00000001)
1616
1617#define MFI_1068_PCSR_OFFSET			0x84
1618#define MFI_1068_FW_HANDSHAKE_OFFSET		0x64
1619#define MFI_1068_FW_READY			0xDDDD0000
1620
1621#define MR_MAX_REPLY_QUEUES_OFFSET              0X0000001F
1622#define MR_MAX_REPLY_QUEUES_EXT_OFFSET          0X003FC000
1623#define MR_MAX_REPLY_QUEUES_EXT_OFFSET_SHIFT    14
1624#define MR_MAX_MSIX_REG_ARRAY                   16
1625#define MR_RDPQ_MODE_OFFSET			0X00800000
1626
1627#define MR_MAX_RAID_MAP_SIZE_OFFSET_SHIFT	16
1628#define MR_MAX_RAID_MAP_SIZE_MASK		0x1FF
1629#define MR_MIN_MAP_SIZE				0x10000
1630/* 64k */
1631
1632#define MR_CAN_HANDLE_SYNC_CACHE_OFFSET		0X01000000
1633
1634#define MR_ATOMIC_DESCRIPTOR_SUPPORT_OFFSET	(1 << 24)
1635
1636#define MR_CAN_HANDLE_64_BIT_DMA_OFFSET		(1 << 25)
1637#define MR_INTR_COALESCING_SUPPORT_OFFSET	(1 << 26)
1638
1639#define MEGASAS_WATCHDOG_THREAD_INTERVAL	1000
1640#define MEGASAS_WAIT_FOR_NEXT_DMA_MSECS		20
1641#define MEGASAS_WATCHDOG_WAIT_COUNT		50
1642
1643enum MR_ADAPTER_TYPE {
1644	MFI_SERIES = 1,
1645	THUNDERBOLT_SERIES = 2,
1646	INVADER_SERIES = 3,
1647	VENTURA_SERIES = 4,
1648	AERO_SERIES = 5,
1649};
1650
1651/*
1652* register set for both 1068 and 1078 controllers
1653* structure extended for 1078 registers
1654*/
1655
1656struct megasas_register_set {
1657	u32	doorbell;                       /*0000h*/
1658	u32	fusion_seq_offset;		/*0004h*/
1659	u32	fusion_host_diag;		/*0008h*/
1660	u32	reserved_01;			/*000Ch*/
1661
1662	u32 	inbound_msg_0;			/*0010h*/
1663	u32 	inbound_msg_1;			/*0014h*/
1664	u32 	outbound_msg_0;			/*0018h*/
1665	u32 	outbound_msg_1;			/*001Ch*/
1666
1667	u32 	inbound_doorbell;		/*0020h*/
1668	u32 	inbound_intr_status;		/*0024h*/
1669	u32 	inbound_intr_mask;		/*0028h*/
1670
1671	u32 	outbound_doorbell;		/*002Ch*/
1672	u32 	outbound_intr_status;		/*0030h*/
1673	u32 	outbound_intr_mask;		/*0034h*/
1674
1675	u32 	reserved_1[2];			/*0038h*/
1676
1677	u32 	inbound_queue_port;		/*0040h*/
1678	u32 	outbound_queue_port;		/*0044h*/
1679
1680	u32	reserved_2[9];			/*0048h*/
1681	u32	reply_post_host_index;		/*006Ch*/
1682	u32	reserved_2_2[12];		/*0070h*/
1683
1684	u32 	outbound_doorbell_clear;	/*00A0h*/
1685
1686	u32 	reserved_3[3];			/*00A4h*/
1687
1688	u32	outbound_scratch_pad_0;		/*00B0h*/
1689	u32	outbound_scratch_pad_1;         /*00B4h*/
1690	u32	outbound_scratch_pad_2;         /*00B8h*/
1691	u32	outbound_scratch_pad_3;         /*00BCh*/
1692
1693	u32 	inbound_low_queue_port ;	/*00C0h*/
1694
1695	u32 	inbound_high_queue_port ;	/*00C4h*/
1696
1697	u32 inbound_single_queue_port;	/*00C8h*/
1698	u32	res_6[11];			/*CCh*/
1699	u32	host_diag;
1700	u32	seq_offset;
1701	u32 	index_registers[807];		/*00CCh*/
1702} __attribute__ ((packed));
1703
1704struct megasas_sge32 {
1705
1706	__le32 phys_addr;
1707	__le32 length;
1708
1709} __attribute__ ((packed));
1710
1711struct megasas_sge64 {
1712
1713	__le64 phys_addr;
1714	__le32 length;
1715
1716} __attribute__ ((packed));
1717
1718struct megasas_sge_skinny {
1719	__le64 phys_addr;
1720	__le32 length;
1721	__le32 flag;
1722} __packed;
1723
1724union megasas_sgl {
1725	DECLARE_FLEX_ARRAY(struct megasas_sge32, sge32);
1726	DECLARE_FLEX_ARRAY(struct megasas_sge64, sge64);
1727	DECLARE_FLEX_ARRAY(struct megasas_sge_skinny, sge_skinny);
 
 
1728} __attribute__ ((packed));
1729
1730struct megasas_header {
1731
1732	u8 cmd;			/*00h */
1733	u8 sense_len;		/*01h */
1734	u8 cmd_status;		/*02h */
1735	u8 scsi_status;		/*03h */
1736
1737	u8 target_id;		/*04h */
1738	u8 lun;			/*05h */
1739	u8 cdb_len;		/*06h */
1740	u8 sge_count;		/*07h */
1741
1742	__le32 context;		/*08h */
1743	__le32 pad_0;		/*0Ch */
1744
1745	__le16 flags;		/*10h */
1746	__le16 timeout;		/*12h */
1747	__le32 data_xferlen;	/*14h */
1748
1749} __attribute__ ((packed));
1750
1751union megasas_sgl_frame {
1752
1753	struct megasas_sge32 sge32[8];
1754	struct megasas_sge64 sge64[5];
1755
1756} __attribute__ ((packed));
1757
1758typedef union _MFI_CAPABILITIES {
1759	struct {
1760#if   defined(__BIG_ENDIAN_BITFIELD)
1761	u32     reserved:15;
1762	u32	support_memdump:1;
1763	u32	support_fw_exposed_dev_list:1;
1764	u32	support_nvme_passthru:1;
1765	u32     support_64bit_mode:1;
1766	u32 support_pd_map_target_id:1;
1767	u32     support_qd_throttling:1;
1768	u32     support_fp_rlbypass:1;
1769	u32     support_vfid_in_ioframe:1;
1770	u32     support_ext_io_size:1;
1771	u32		support_ext_queue_depth:1;
1772	u32     security_protocol_cmds_fw:1;
1773	u32     support_core_affinity:1;
1774	u32     support_ndrive_r1_lb:1;
1775	u32		support_max_255lds:1;
1776	u32		support_fastpath_wb:1;
1777	u32     support_additional_msix:1;
1778	u32     support_fp_remote_lun:1;
1779#else
1780	u32     support_fp_remote_lun:1;
1781	u32     support_additional_msix:1;
1782	u32		support_fastpath_wb:1;
1783	u32		support_max_255lds:1;
1784	u32     support_ndrive_r1_lb:1;
1785	u32     support_core_affinity:1;
1786	u32     security_protocol_cmds_fw:1;
1787	u32		support_ext_queue_depth:1;
1788	u32     support_ext_io_size:1;
1789	u32     support_vfid_in_ioframe:1;
1790	u32     support_fp_rlbypass:1;
1791	u32     support_qd_throttling:1;
1792	u32	support_pd_map_target_id:1;
1793	u32     support_64bit_mode:1;
1794	u32	support_nvme_passthru:1;
1795	u32	support_fw_exposed_dev_list:1;
1796	u32	support_memdump:1;
1797	u32     reserved:15;
1798#endif
1799	} mfi_capabilities;
1800	__le32		reg;
1801} MFI_CAPABILITIES;
1802
1803struct megasas_init_frame {
1804
1805	u8 cmd;			/*00h */
1806	u8 reserved_0;		/*01h */
1807	u8 cmd_status;		/*02h */
1808
1809	u8 reserved_1;		/*03h */
1810	MFI_CAPABILITIES driver_operations; /*04h*/
1811
1812	__le32 context;		/*08h */
1813	__le32 pad_0;		/*0Ch */
1814
1815	__le16 flags;		/*10h */
1816	__le16 replyqueue_mask;		/*12h */
1817	__le32 data_xfer_len;	/*14h */
1818
1819	__le32 queue_info_new_phys_addr_lo;	/*18h */
1820	__le32 queue_info_new_phys_addr_hi;	/*1Ch */
1821	__le32 queue_info_old_phys_addr_lo;	/*20h */
1822	__le32 queue_info_old_phys_addr_hi;	/*24h */
1823	__le32 reserved_4[2];	/*28h */
1824	__le32 system_info_lo;      /*30h */
1825	__le32 system_info_hi;      /*34h */
1826	__le32 reserved_5[2];	/*38h */
1827
1828} __attribute__ ((packed));
1829
1830struct megasas_init_queue_info {
1831
1832	__le32 init_flags;		/*00h */
1833	__le32 reply_queue_entries;	/*04h */
1834
1835	__le32 reply_queue_start_phys_addr_lo;	/*08h */
1836	__le32 reply_queue_start_phys_addr_hi;	/*0Ch */
1837	__le32 producer_index_phys_addr_lo;	/*10h */
1838	__le32 producer_index_phys_addr_hi;	/*14h */
1839	__le32 consumer_index_phys_addr_lo;	/*18h */
1840	__le32 consumer_index_phys_addr_hi;	/*1Ch */
1841
1842} __attribute__ ((packed));
1843
1844struct megasas_io_frame {
1845
1846	u8 cmd;			/*00h */
1847	u8 sense_len;		/*01h */
1848	u8 cmd_status;		/*02h */
1849	u8 scsi_status;		/*03h */
1850
1851	u8 target_id;		/*04h */
1852	u8 access_byte;		/*05h */
1853	u8 reserved_0;		/*06h */
1854	u8 sge_count;		/*07h */
1855
1856	__le32 context;		/*08h */
1857	__le32 pad_0;		/*0Ch */
1858
1859	__le16 flags;		/*10h */
1860	__le16 timeout;		/*12h */
1861	__le32 lba_count;	/*14h */
1862
1863	__le32 sense_buf_phys_addr_lo;	/*18h */
1864	__le32 sense_buf_phys_addr_hi;	/*1Ch */
1865
1866	__le32 start_lba_lo;	/*20h */
1867	__le32 start_lba_hi;	/*24h */
1868
1869	union megasas_sgl sgl;	/*28h */
1870
1871} __attribute__ ((packed));
1872
1873struct megasas_pthru_frame {
1874
1875	u8 cmd;			/*00h */
1876	u8 sense_len;		/*01h */
1877	u8 cmd_status;		/*02h */
1878	u8 scsi_status;		/*03h */
1879
1880	u8 target_id;		/*04h */
1881	u8 lun;			/*05h */
1882	u8 cdb_len;		/*06h */
1883	u8 sge_count;		/*07h */
1884
1885	__le32 context;		/*08h */
1886	__le32 pad_0;		/*0Ch */
1887
1888	__le16 flags;		/*10h */
1889	__le16 timeout;		/*12h */
1890	__le32 data_xfer_len;	/*14h */
1891
1892	__le32 sense_buf_phys_addr_lo;	/*18h */
1893	__le32 sense_buf_phys_addr_hi;	/*1Ch */
1894
1895	u8 cdb[16];		/*20h */
1896	union megasas_sgl sgl;	/*30h */
1897
1898} __attribute__ ((packed));
1899
1900struct megasas_dcmd_frame {
1901
1902	u8 cmd;			/*00h */
1903	u8 reserved_0;		/*01h */
1904	u8 cmd_status;		/*02h */
1905	u8 reserved_1[4];	/*03h */
1906	u8 sge_count;		/*07h */
1907
1908	__le32 context;		/*08h */
1909	__le32 pad_0;		/*0Ch */
1910
1911	__le16 flags;		/*10h */
1912	__le16 timeout;		/*12h */
1913
1914	__le32 data_xfer_len;	/*14h */
1915	__le32 opcode;		/*18h */
1916
1917	union {			/*1Ch */
1918		u8 b[12];
1919		__le16 s[6];
1920		__le32 w[3];
1921	} mbox;
1922
1923	union megasas_sgl sgl;	/*28h */
1924
1925} __attribute__ ((packed));
1926
1927struct megasas_abort_frame {
1928
1929	u8 cmd;			/*00h */
1930	u8 reserved_0;		/*01h */
1931	u8 cmd_status;		/*02h */
1932
1933	u8 reserved_1;		/*03h */
1934	__le32 reserved_2;	/*04h */
1935
1936	__le32 context;		/*08h */
1937	__le32 pad_0;		/*0Ch */
1938
1939	__le16 flags;		/*10h */
1940	__le16 reserved_3;	/*12h */
1941	__le32 reserved_4;	/*14h */
1942
1943	__le32 abort_context;	/*18h */
1944	__le32 pad_1;		/*1Ch */
1945
1946	__le32 abort_mfi_phys_addr_lo;	/*20h */
1947	__le32 abort_mfi_phys_addr_hi;	/*24h */
1948
1949	__le32 reserved_5[6];	/*28h */
1950
1951} __attribute__ ((packed));
1952
1953struct megasas_smp_frame {
1954
1955	u8 cmd;			/*00h */
1956	u8 reserved_1;		/*01h */
1957	u8 cmd_status;		/*02h */
1958	u8 connection_status;	/*03h */
1959
1960	u8 reserved_2[3];	/*04h */
1961	u8 sge_count;		/*07h */
1962
1963	__le32 context;		/*08h */
1964	__le32 pad_0;		/*0Ch */
1965
1966	__le16 flags;		/*10h */
1967	__le16 timeout;		/*12h */
1968
1969	__le32 data_xfer_len;	/*14h */
1970	__le64 sas_addr;	/*18h */
1971
1972	union {
1973		struct megasas_sge32 sge32[2];	/* [0]: resp [1]: req */
1974		struct megasas_sge64 sge64[2];	/* [0]: resp [1]: req */
1975	} sgl;
1976
1977} __attribute__ ((packed));
1978
1979struct megasas_stp_frame {
1980
1981	u8 cmd;			/*00h */
1982	u8 reserved_1;		/*01h */
1983	u8 cmd_status;		/*02h */
1984	u8 reserved_2;		/*03h */
1985
1986	u8 target_id;		/*04h */
1987	u8 reserved_3[2];	/*05h */
1988	u8 sge_count;		/*07h */
1989
1990	__le32 context;		/*08h */
1991	__le32 pad_0;		/*0Ch */
1992
1993	__le16 flags;		/*10h */
1994	__le16 timeout;		/*12h */
1995
1996	__le32 data_xfer_len;	/*14h */
1997
1998	__le16 fis[10];		/*18h */
1999	__le32 stp_flags;
2000
2001	union {
2002		struct megasas_sge32 sge32[2];	/* [0]: resp [1]: data */
2003		struct megasas_sge64 sge64[2];	/* [0]: resp [1]: data */
2004	} sgl;
2005
2006} __attribute__ ((packed));
2007
2008union megasas_frame {
2009
2010	struct megasas_header hdr;
2011	struct megasas_init_frame init;
2012	struct megasas_io_frame io;
2013	struct megasas_pthru_frame pthru;
2014	struct megasas_dcmd_frame dcmd;
2015	struct megasas_abort_frame abort;
2016	struct megasas_smp_frame smp;
2017	struct megasas_stp_frame stp;
2018
2019	u8 raw_bytes[64];
2020};
2021
2022/**
2023 * struct MR_PRIV_DEVICE - sdev private hostdata
2024 * @is_tm_capable: firmware managed tm_capable flag
2025 * @tm_busy: TM request is in progress
2026 * @sdev_priv_busy: pending command per sdev
2027 */
2028struct MR_PRIV_DEVICE {
2029	bool is_tm_capable;
2030	bool tm_busy;
2031	atomic_t sdev_priv_busy;
2032	atomic_t r1_ldio_hint;
2033	u8 interface_type;
2034	u8 task_abort_tmo;
2035	u8 target_reset_tmo;
2036};
2037struct megasas_cmd;
2038
2039union megasas_evt_class_locale {
2040
2041	struct {
2042#ifndef __BIG_ENDIAN_BITFIELD
2043		u16 locale;
2044		u8 reserved;
2045		s8 class;
2046#else
2047		s8 class;
2048		u8 reserved;
2049		u16 locale;
2050#endif
2051	} __attribute__ ((packed)) members;
2052
2053	u32 word;
2054
2055} __attribute__ ((packed));
2056
2057struct megasas_evt_log_info {
2058	__le32 newest_seq_num;
2059	__le32 oldest_seq_num;
2060	__le32 clear_seq_num;
2061	__le32 shutdown_seq_num;
2062	__le32 boot_seq_num;
2063
2064} __attribute__ ((packed));
2065
2066struct megasas_progress {
2067
2068	__le16 progress;
2069	__le16 elapsed_seconds;
2070
2071} __attribute__ ((packed));
2072
2073struct megasas_evtarg_ld {
2074
2075	u16 target_id;
2076	u8 ld_index;
2077	u8 reserved;
2078
2079} __attribute__ ((packed));
2080
2081struct megasas_evtarg_pd {
2082	u16 device_id;
2083	u8 encl_index;
2084	u8 slot_number;
2085
2086} __attribute__ ((packed));
2087
2088struct megasas_evt_detail {
2089
2090	__le32 seq_num;
2091	__le32 time_stamp;
2092	__le32 code;
2093	union megasas_evt_class_locale cl;
2094	u8 arg_type;
2095	u8 reserved1[15];
2096
2097	union {
2098		struct {
2099			struct megasas_evtarg_pd pd;
2100			u8 cdb_length;
2101			u8 sense_length;
2102			u8 reserved[2];
2103			u8 cdb[16];
2104			u8 sense[64];
2105		} __attribute__ ((packed)) cdbSense;
2106
2107		struct megasas_evtarg_ld ld;
2108
2109		struct {
2110			struct megasas_evtarg_ld ld;
2111			__le64 count;
2112		} __attribute__ ((packed)) ld_count;
2113
2114		struct {
2115			__le64 lba;
2116			struct megasas_evtarg_ld ld;
2117		} __attribute__ ((packed)) ld_lba;
2118
2119		struct {
2120			struct megasas_evtarg_ld ld;
2121			__le32 prevOwner;
2122			__le32 newOwner;
2123		} __attribute__ ((packed)) ld_owner;
2124
2125		struct {
2126			u64 ld_lba;
2127			u64 pd_lba;
2128			struct megasas_evtarg_ld ld;
2129			struct megasas_evtarg_pd pd;
2130		} __attribute__ ((packed)) ld_lba_pd_lba;
2131
2132		struct {
2133			struct megasas_evtarg_ld ld;
2134			struct megasas_progress prog;
2135		} __attribute__ ((packed)) ld_prog;
2136
2137		struct {
2138			struct megasas_evtarg_ld ld;
2139			u32 prev_state;
2140			u32 new_state;
2141		} __attribute__ ((packed)) ld_state;
2142
2143		struct {
2144			u64 strip;
2145			struct megasas_evtarg_ld ld;
2146		} __attribute__ ((packed)) ld_strip;
2147
2148		struct megasas_evtarg_pd pd;
2149
2150		struct {
2151			struct megasas_evtarg_pd pd;
2152			u32 err;
2153		} __attribute__ ((packed)) pd_err;
2154
2155		struct {
2156			u64 lba;
2157			struct megasas_evtarg_pd pd;
2158		} __attribute__ ((packed)) pd_lba;
2159
2160		struct {
2161			u64 lba;
2162			struct megasas_evtarg_pd pd;
2163			struct megasas_evtarg_ld ld;
2164		} __attribute__ ((packed)) pd_lba_ld;
2165
2166		struct {
2167			struct megasas_evtarg_pd pd;
2168			struct megasas_progress prog;
2169		} __attribute__ ((packed)) pd_prog;
2170
2171		struct {
2172			struct megasas_evtarg_pd pd;
2173			u32 prevState;
2174			u32 newState;
2175		} __attribute__ ((packed)) pd_state;
2176
2177		struct {
2178			u16 vendorId;
2179			__le16 deviceId;
2180			u16 subVendorId;
2181			u16 subDeviceId;
2182		} __attribute__ ((packed)) pci;
2183
2184		u32 rate;
2185		char str[96];
2186
2187		struct {
2188			u32 rtc;
2189			u32 elapsedSeconds;
2190		} __attribute__ ((packed)) time;
2191
2192		struct {
2193			u32 ecar;
2194			u32 elog;
2195			char str[64];
2196		} __attribute__ ((packed)) ecc;
2197
2198		u8 b[96];
2199		__le16 s[48];
2200		__le32 w[24];
2201		__le64 d[12];
2202	} args;
2203
2204	char description[128];
2205
2206} __attribute__ ((packed));
2207
2208struct megasas_aen_event {
2209	struct delayed_work hotplug_work;
2210	struct megasas_instance *instance;
2211};
2212
2213struct megasas_irq_context {
2214	char name[MEGASAS_MSIX_NAME_LEN];
2215	struct megasas_instance *instance;
2216	u32 MSIxIndex;
2217	u32 os_irq;
2218	struct irq_poll irqpoll;
2219	bool irq_poll_scheduled;
2220	bool irq_line_enable;
2221	atomic_t   in_used;
2222};
2223
2224struct MR_DRV_SYSTEM_INFO {
2225	u8	infoVersion;
2226	u8	systemIdLength;
2227	u16	reserved0;
2228	u8	systemId[64];
2229	u8	reserved[1980];
2230};
2231
2232enum MR_PD_TYPE {
2233	UNKNOWN_DRIVE = 0,
2234	PARALLEL_SCSI = 1,
2235	SAS_PD = 2,
2236	SATA_PD = 3,
2237	FC_PD = 4,
2238	NVME_PD = 5,
2239};
2240
2241/* JBOD Queue depth definitions */
2242#define MEGASAS_SATA_QD	32
2243#define MEGASAS_SAS_QD 256
2244#define MEGASAS_DEFAULT_PD_QD	64
2245#define MEGASAS_NVME_QD        64
2246
2247#define MR_DEFAULT_NVME_PAGE_SIZE	4096
2248#define MR_DEFAULT_NVME_PAGE_SHIFT	12
2249#define MR_DEFAULT_NVME_MDTS_KB		128
2250#define MR_NVME_PAGE_SIZE_MASK		0x000000FF
2251
2252/*Aero performance parameters*/
2253#define MR_HIGH_IOPS_QUEUE_COUNT	8
2254#define MR_DEVICE_HIGH_IOPS_DEPTH	8
2255#define MR_HIGH_IOPS_BATCH_COUNT	16
2256
2257enum MR_PERF_MODE {
2258	MR_BALANCED_PERF_MODE		= 0,
2259	MR_IOPS_PERF_MODE		= 1,
2260	MR_LATENCY_PERF_MODE		= 2,
2261};
2262
2263#define MEGASAS_PERF_MODE_2STR(mode) \
2264		((mode) == MR_BALANCED_PERF_MODE ? "Balanced" : \
2265		 (mode) == MR_IOPS_PERF_MODE ? "IOPS" : \
2266		 (mode) == MR_LATENCY_PERF_MODE ? "Latency" : \
2267		 "Unknown")
2268
2269enum MEGASAS_LD_TARGET_ID_STATUS {
2270	LD_TARGET_ID_INITIAL,
2271	LD_TARGET_ID_ACTIVE,
2272	LD_TARGET_ID_DELETED,
2273};
2274
2275#define MEGASAS_TARGET_ID(sdev)						\
2276	(((sdev->channel % 2) * MEGASAS_MAX_DEV_PER_CHANNEL) + sdev->id)
2277
2278struct megasas_instance {
2279
2280	unsigned int *reply_map;
2281	__le32 *producer;
2282	dma_addr_t producer_h;
2283	__le32 *consumer;
2284	dma_addr_t consumer_h;
2285	struct MR_DRV_SYSTEM_INFO *system_info_buf;
2286	dma_addr_t system_info_h;
2287	struct MR_LD_VF_AFFILIATION *vf_affiliation;
2288	dma_addr_t vf_affiliation_h;
2289	struct MR_LD_VF_AFFILIATION_111 *vf_affiliation_111;
2290	dma_addr_t vf_affiliation_111_h;
2291	struct MR_CTRL_HB_HOST_MEM *hb_host_mem;
2292	dma_addr_t hb_host_mem_h;
2293	struct MR_PD_INFO *pd_info;
2294	dma_addr_t pd_info_h;
2295	struct MR_TARGET_PROPERTIES *tgt_prop;
2296	dma_addr_t tgt_prop_h;
2297
2298	__le32 *reply_queue;
2299	dma_addr_t reply_queue_h;
2300
2301	u32 *crash_dump_buf;
2302	dma_addr_t crash_dump_h;
2303
2304	struct MR_PD_LIST *pd_list_buf;
2305	dma_addr_t pd_list_buf_h;
2306
2307	struct megasas_ctrl_info *ctrl_info_buf;
2308	dma_addr_t ctrl_info_buf_h;
2309
2310	struct MR_LD_LIST *ld_list_buf;
2311	dma_addr_t ld_list_buf_h;
2312
2313	struct MR_LD_TARGETID_LIST *ld_targetid_list_buf;
2314	dma_addr_t ld_targetid_list_buf_h;
2315
2316	struct MR_HOST_DEVICE_LIST *host_device_list_buf;
2317	dma_addr_t host_device_list_buf_h;
2318
2319	struct MR_SNAPDUMP_PROPERTIES *snapdump_prop;
2320	dma_addr_t snapdump_prop_h;
2321
2322	void *crash_buf[MAX_CRASH_DUMP_SIZE];
2323	unsigned int    fw_crash_buffer_size;
2324	unsigned int    fw_crash_state;
2325	unsigned int    fw_crash_buffer_offset;
2326	u32 drv_buf_index;
2327	u32 drv_buf_alloc;
2328	u32 crash_dump_fw_support;
2329	u32 crash_dump_drv_support;
2330	u32 crash_dump_app_support;
2331	u32 secure_jbod_support;
2332	u32 support_morethan256jbod; /* FW support for more than 256 PD/JBOD */
2333	bool use_seqnum_jbod_fp;   /* Added for PD sequence */
2334	bool smp_affinity_enable;
2335	struct mutex crashdump_lock;
2336
2337	struct megasas_register_set __iomem *reg_set;
2338	u32 __iomem *reply_post_host_index_addr[MR_MAX_MSIX_REG_ARRAY];
2339	struct megasas_pd_list          pd_list[MEGASAS_MAX_PD];
2340	struct megasas_pd_list          local_pd_list[MEGASAS_MAX_PD];
2341	u8 ld_ids[MEGASAS_MAX_LD_IDS];
2342	u8 ld_tgtid_status[MEGASAS_MAX_LD_IDS];
2343	u8 ld_ids_prev[MEGASAS_MAX_LD_IDS];
2344	u8 ld_ids_from_raidmap[MEGASAS_MAX_LD_IDS];
2345	s8 init_id;
2346
2347	u16 max_num_sge;
2348	u16 max_fw_cmds;
2349	u16 max_mpt_cmds;
 
2350	u16 max_mfi_cmds;
2351	u16 max_scsi_cmds;
2352	u16 ldio_threshold;
2353	u16 cur_can_queue;
2354	u32 max_sectors_per_req;
2355	bool msix_load_balance;
2356	struct megasas_aen_event *ev;
2357
2358	struct megasas_cmd **cmd_list;
2359	struct list_head cmd_pool;
2360	/* used to sync fire the cmd to fw */
2361	spinlock_t mfi_pool_lock;
2362	/* used to sync fire the cmd to fw */
2363	spinlock_t hba_lock;
2364	/* used to synch producer, consumer ptrs in dpc */
2365	spinlock_t stream_lock;
2366	spinlock_t completion_lock;
2367	struct dma_pool *frame_dma_pool;
2368	struct dma_pool *sense_dma_pool;
2369
2370	struct megasas_evt_detail *evt_detail;
2371	dma_addr_t evt_detail_h;
2372	struct megasas_cmd *aen_cmd;
 
2373	struct semaphore ioctl_sem;
2374
2375	struct Scsi_Host *host;
2376
2377	wait_queue_head_t int_cmd_wait_q;
2378	wait_queue_head_t abort_cmd_wait_q;
2379
2380	struct pci_dev *pdev;
2381	u32 unique_id;
2382	u32 fw_support_ieee;
2383	u32 threshold_reply_count;
2384
2385	atomic_t fw_outstanding;
2386	atomic_t ldio_outstanding;
2387	atomic_t fw_reset_no_pci_access;
2388	atomic64_t total_io_count;
2389	atomic64_t high_iops_outstanding;
2390
2391	struct megasas_instance_template *instancet;
2392	struct tasklet_struct isr_tasklet;
2393	struct work_struct work_init;
2394	struct delayed_work fw_fault_work;
2395	struct workqueue_struct *fw_fault_work_q;
2396	char fault_handler_work_q_name[48];
2397
2398	u8 flag;
2399	u8 unload;
2400	u8 flag_ieee;
2401	u8 issuepend_done;
2402	u8 disableOnlineCtrlReset;
2403	u8 UnevenSpanSupport;
2404
2405	u8 supportmax256vd;
2406	u8 pd_list_not_supported;
2407	u16 fw_supported_vd_count;
2408	u16 fw_supported_pd_count;
2409
2410	u16 drv_supported_vd_count;
2411	u16 drv_supported_pd_count;
2412
2413	atomic_t adprecovery;
2414	unsigned long last_time;
2415	u32 mfiStatus;
2416	u32 last_seq_num;
2417
 
2418	struct list_head internal_reset_pending_q;
2419
2420	/* Ptr to hba specific information */
2421	void *ctrl_context;
2422	unsigned int msix_vectors;
2423	struct megasas_irq_context irq_context[MEGASAS_MAX_MSIX_QUEUES];
2424	u64 map_id;
2425	u64 pd_seq_map_id;
2426	struct megasas_cmd *map_update_cmd;
2427	struct megasas_cmd *jbod_seq_cmd;
2428	unsigned long bar;
2429	long reset_flags;
2430	struct mutex reset_mutex;
2431	struct timer_list sriov_heartbeat_timer;
2432	char skip_heartbeat_timer_del;
2433	u8 requestorId;
2434	char PlasmaFW111;
2435	char clusterId[MEGASAS_CLUSTER_ID_SIZE];
2436	u8 peerIsPresent;
2437	u8 passive;
2438	u16 throttlequeuedepth;
2439	u8 mask_interrupts;
2440	u16 max_chain_frame_sz;
2441	u8 is_imr;
2442	u8 is_rdpq;
2443	bool dev_handle;
2444	bool fw_sync_cache_support;
2445	u32 mfi_frame_size;
2446	bool msix_combined;
2447	u16 max_raid_mapsize;
2448	/* preffered count to send as LDIO irrspective of FP capable.*/
2449	u8  r1_ldio_hint_default;
2450	u32 nvme_page_size;
2451	u8 adapter_type;
2452	bool consistent_mask_64bit;
2453	bool support_nvme_passthru;
2454	bool enable_sdev_max_qd;
2455	u8 task_abort_tmo;
2456	u8 max_reset_tmo;
2457	u8 snapdump_wait_time;
2458#ifdef CONFIG_DEBUG_FS
2459	struct dentry *debugfs_root;
2460	struct dentry *raidmap_dump;
2461#endif
2462	u8 enable_fw_dev_list;
2463	bool atomic_desc_support;
2464	bool support_seqnum_jbod_fp;
2465	bool support_pci_lane_margining;
2466	u8  low_latency_index_start;
2467	int perf_mode;
2468	int iopoll_q_count;
2469};
2470
2471struct MR_LD_VF_MAP {
2472	u32 size;
2473	union MR_LD_REF ref;
2474	u8 ldVfCount;
2475	u8 reserved[6];
2476	u8 policy[1];
2477};
2478
2479struct MR_LD_VF_AFFILIATION {
2480	u32 size;
2481	u8 ldCount;
2482	u8 vfCount;
2483	u8 thisVf;
2484	u8 reserved[9];
2485	struct MR_LD_VF_MAP map[1];
2486};
2487
2488/* Plasma 1.11 FW backward compatibility structures */
2489#define IOV_111_OFFSET 0x7CE
2490#define MAX_VIRTUAL_FUNCTIONS 8
2491#define MR_LD_ACCESS_HIDDEN 15
2492
2493struct IOV_111 {
2494	u8 maxVFsSupported;
2495	u8 numVFsEnabled;
2496	u8 requestorId;
2497	u8 reserved[5];
2498};
2499
2500struct MR_LD_VF_MAP_111 {
2501	u8 targetId;
2502	u8 reserved[3];
2503	u8 policy[MAX_VIRTUAL_FUNCTIONS];
2504};
2505
2506struct MR_LD_VF_AFFILIATION_111 {
2507	u8 vdCount;
2508	u8 vfCount;
2509	u8 thisVf;
2510	u8 reserved[5];
2511	struct MR_LD_VF_MAP_111 map[MAX_LOGICAL_DRIVES];
2512};
2513
2514struct MR_CTRL_HB_HOST_MEM {
2515	struct {
2516		u32 fwCounter;	/* Firmware heart beat counter */
2517		struct {
2518			u32 debugmode:1; /* 1=Firmware is in debug mode.
2519					    Heart beat will not be updated. */
2520			u32 reserved:31;
2521		} debug;
2522		u32 reserved_fw[6];
2523		u32 driverCounter; /* Driver heart beat counter.  0x20 */
2524		u32 reserved_driver[7];
2525	} HB;
2526	u8 pad[0x400-0x40];
2527};
2528
2529enum {
2530	MEGASAS_HBA_OPERATIONAL			= 0,
2531	MEGASAS_ADPRESET_SM_INFAULT		= 1,
2532	MEGASAS_ADPRESET_SM_FW_RESET_SUCCESS	= 2,
2533	MEGASAS_ADPRESET_SM_OPERATIONAL		= 3,
2534	MEGASAS_HW_CRITICAL_ERROR		= 4,
2535	MEGASAS_ADPRESET_SM_POLLING		= 5,
2536	MEGASAS_ADPRESET_INPROG_SIGN		= 0xDEADDEAD,
2537};
2538
2539struct megasas_instance_template {
2540	void (*fire_cmd)(struct megasas_instance *, dma_addr_t, \
2541		u32, struct megasas_register_set __iomem *);
2542
2543	void (*enable_intr)(struct megasas_instance *);
2544	void (*disable_intr)(struct megasas_instance *);
2545
2546	int (*clear_intr)(struct megasas_instance *);
2547
2548	u32 (*read_fw_status_reg)(struct megasas_instance *);
2549	int (*adp_reset)(struct megasas_instance *, \
2550		struct megasas_register_set __iomem *);
2551	int (*check_reset)(struct megasas_instance *, \
2552		struct megasas_register_set __iomem *);
2553	irqreturn_t (*service_isr)(int irq, void *devp);
2554	void (*tasklet)(unsigned long);
2555	u32 (*init_adapter)(struct megasas_instance *);
2556	u32 (*build_and_issue_cmd) (struct megasas_instance *,
2557				    struct scsi_cmnd *);
2558	void (*issue_dcmd)(struct megasas_instance *instance,
2559			    struct megasas_cmd *cmd);
2560};
2561
2562#define MEGASAS_IS_LOGICAL(sdev)					\
2563	((sdev->channel < MEGASAS_MAX_PD_CHANNELS) ? 0 : 1)
2564
2565#define MEGASAS_IS_LUN_VALID(sdev)					\
2566	(((sdev)->lun == 0) ? 1 : 0)
2567
2568#define MEGASAS_DEV_INDEX(scp)						\
2569	(((scp->device->channel % 2) * MEGASAS_MAX_DEV_PER_CHANNEL) +	\
2570	scp->device->id)
2571
2572#define MEGASAS_PD_INDEX(scp)						\
2573	((scp->device->channel * MEGASAS_MAX_DEV_PER_CHANNEL) +		\
2574	scp->device->id)
2575
2576struct megasas_cmd {
2577
2578	union megasas_frame *frame;
2579	dma_addr_t frame_phys_addr;
2580	u8 *sense;
2581	dma_addr_t sense_phys_addr;
2582
2583	u32 index;
2584	u8 sync_cmd;
2585	u8 cmd_status_drv;
2586	u8 abort_aen;
2587	u8 retry_for_fw_reset;
2588
2589
2590	struct list_head list;
2591	struct scsi_cmnd *scmd;
2592	u8 flags;
2593
2594	struct megasas_instance *instance;
2595	union {
2596		struct {
2597			u16 smid;
2598			u16 resvd;
2599		} context;
2600		u32 frame_count;
2601	};
2602};
2603
2604struct megasas_cmd_priv {
2605	void	*cmd_priv;
2606	u8	status;
2607};
2608
2609static inline struct megasas_cmd_priv *megasas_priv(struct scsi_cmnd *cmd)
2610{
2611	return scsi_cmd_priv(cmd);
2612}
2613
2614#define MAX_MGMT_ADAPTERS		1024
2615#define MAX_IOCTL_SGE			16
2616
2617struct megasas_iocpacket {
2618
2619	u16 host_no;
2620	u16 __pad1;
2621	u32 sgl_off;
2622	u32 sge_count;
2623	u32 sense_off;
2624	u32 sense_len;
2625	union {
2626		u8 raw[128];
2627		struct megasas_header hdr;
2628	} frame;
2629
2630	struct iovec sgl[MAX_IOCTL_SGE];
2631
2632} __attribute__ ((packed));
2633
2634struct megasas_aen {
2635	u16 host_no;
2636	u16 __pad1;
2637	u32 seq_num;
2638	u32 class_locale_word;
2639} __attribute__ ((packed));
2640
 
2641struct compat_megasas_iocpacket {
2642	u16 host_no;
2643	u16 __pad1;
2644	u32 sgl_off;
2645	u32 sge_count;
2646	u32 sense_off;
2647	u32 sense_len;
2648	union {
2649		u8 raw[128];
2650		struct megasas_header hdr;
2651	} frame;
2652	struct compat_iovec sgl[MAX_IOCTL_SGE];
2653} __attribute__ ((packed));
2654
2655#define MEGASAS_IOC_FIRMWARE32	_IOWR('M', 1, struct compat_megasas_iocpacket)
 
2656
2657#define MEGASAS_IOC_FIRMWARE	_IOWR('M', 1, struct megasas_iocpacket)
2658#define MEGASAS_IOC_GET_AEN	_IOW('M', 3, struct megasas_aen)
2659
2660struct megasas_mgmt_info {
2661
2662	u16 count;
2663	struct megasas_instance *instance[MAX_MGMT_ADAPTERS];
2664	int max_index;
2665};
2666
2667enum MEGASAS_OCR_CAUSE {
2668	FW_FAULT_OCR			= 0,
2669	SCSIIO_TIMEOUT_OCR		= 1,
2670	MFI_IO_TIMEOUT_OCR		= 2,
2671};
2672
2673enum DCMD_RETURN_STATUS {
2674	DCMD_SUCCESS    = 0x00,
2675	DCMD_TIMEOUT    = 0x01,
2676	DCMD_FAILED     = 0x02,
2677	DCMD_BUSY       = 0x03,
2678	DCMD_INIT       = 0xff,
2679};
2680
2681u8
2682MR_BuildRaidContext(struct megasas_instance *instance,
2683		    struct IO_REQUEST_INFO *io_info,
2684		    struct RAID_CONTEXT *pRAID_Context,
2685		    struct MR_DRV_RAID_MAP_ALL *map, u8 **raidLUN);
2686u16 MR_TargetIdToLdGet(u32 ldTgtId, struct MR_DRV_RAID_MAP_ALL *map);
2687struct MR_LD_RAID *MR_LdRaidGet(u32 ld, struct MR_DRV_RAID_MAP_ALL *map);
2688u16 MR_ArPdGet(u32 ar, u32 arm, struct MR_DRV_RAID_MAP_ALL *map);
2689u16 MR_LdSpanArrayGet(u32 ld, u32 span, struct MR_DRV_RAID_MAP_ALL *map);
2690__le16 MR_PdDevHandleGet(u32 pd, struct MR_DRV_RAID_MAP_ALL *map);
2691u16 MR_GetLDTgtId(u32 ld, struct MR_DRV_RAID_MAP_ALL *map);
2692
2693__le16 get_updated_dev_handle(struct megasas_instance *instance,
2694			      struct LD_LOAD_BALANCE_INFO *lbInfo,
2695			      struct IO_REQUEST_INFO *in_info,
2696			      struct MR_DRV_RAID_MAP_ALL *drv_map);
2697void mr_update_load_balance_params(struct MR_DRV_RAID_MAP_ALL *map,
2698	struct LD_LOAD_BALANCE_INFO *lbInfo);
2699int megasas_get_ctrl_info(struct megasas_instance *instance);
2700/* PD sequence */
2701int
2702megasas_sync_pd_seq_num(struct megasas_instance *instance, bool pend);
2703void megasas_set_dynamic_target_properties(struct scsi_device *sdev,
2704					   bool is_target_prop);
2705int megasas_get_target_prop(struct megasas_instance *instance,
2706			    struct scsi_device *sdev);
2707void megasas_get_snapdump_properties(struct megasas_instance *instance);
2708
2709int megasas_set_crash_dump_params(struct megasas_instance *instance,
2710	u8 crash_buf_state);
2711void megasas_free_host_crash_buffer(struct megasas_instance *instance);
2712
2713void megasas_return_cmd_fusion(struct megasas_instance *instance,
2714	struct megasas_cmd_fusion *cmd);
2715int megasas_issue_blocked_cmd(struct megasas_instance *instance,
2716	struct megasas_cmd *cmd, int timeout);
2717void __megasas_return_cmd(struct megasas_instance *instance,
2718	struct megasas_cmd *cmd);
2719
2720void megasas_return_mfi_mpt_pthr(struct megasas_instance *instance,
2721	struct megasas_cmd *cmd_mfi, struct megasas_cmd_fusion *cmd_fusion);
2722int megasas_cmd_type(struct scsi_cmnd *cmd);
2723void megasas_setup_jbod_map(struct megasas_instance *instance);
2724
2725void megasas_update_sdev_properties(struct scsi_device *sdev);
2726int megasas_reset_fusion(struct Scsi_Host *shost, int reason);
2727int megasas_task_abort_fusion(struct scsi_cmnd *scmd);
2728int megasas_reset_target_fusion(struct scsi_cmnd *scmd);
2729u32 mega_mod64(u64 dividend, u32 divisor);
2730int megasas_alloc_fusion_context(struct megasas_instance *instance);
2731void megasas_free_fusion_context(struct megasas_instance *instance);
2732int megasas_fusion_start_watchdog(struct megasas_instance *instance);
2733void megasas_fusion_stop_watchdog(struct megasas_instance *instance);
2734
2735void megasas_set_dma_settings(struct megasas_instance *instance,
2736			      struct megasas_dcmd_frame *dcmd,
2737			      dma_addr_t dma_addr, u32 dma_len);
2738int megasas_adp_reset_wait_for_ready(struct megasas_instance *instance,
2739				     bool do_adp_reset,
2740				     int ocr_context);
2741int megasas_irqpoll(struct irq_poll *irqpoll, int budget);
2742void megasas_dump_fusion_io(struct scsi_cmnd *scmd);
2743u32 megasas_readl(struct megasas_instance *instance,
2744		  const volatile void __iomem *addr);
2745struct megasas_cmd *megasas_get_cmd(struct megasas_instance *instance);
2746void megasas_return_cmd(struct megasas_instance *instance,
2747			struct megasas_cmd *cmd);
2748int megasas_issue_polled(struct megasas_instance *instance,
2749			 struct megasas_cmd *cmd);
2750void megaraid_sas_kill_hba(struct megasas_instance *instance);
2751void megasas_check_and_restore_queue_depth(struct megasas_instance *instance);
2752void megasas_start_timer(struct megasas_instance *instance);
2753int megasas_sriov_start_heartbeat(struct megasas_instance *instance,
2754				  int initial);
2755int megasas_alloc_cmds(struct megasas_instance *instance);
2756void megasas_free_cmds(struct megasas_instance *instance);
2757
2758void megasas_init_debugfs(void);
2759void megasas_exit_debugfs(void);
2760void megasas_setup_debugfs(struct megasas_instance *instance);
2761void megasas_destroy_debugfs(struct megasas_instance *instance);
2762int megasas_blk_mq_poll(struct Scsi_Host *shost, unsigned int queue_num);
2763
2764#endif				/*LSI_MEGARAID_SAS_H */