1364 lines
		
	
	
		
			41 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			1364 lines
		
	
	
		
			41 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/*
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						|
 *  Linux MegaRAID driver for SAS based RAID controllers
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 *
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 *  Copyright (c) 2009-2013  LSI Corporation
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 *  Copyright (c) 2013-2014  Avago Technologies
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 *
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 *  This program is free software; you can redistribute it and/or
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 *  modify it under the terms of the GNU General Public License
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 *  as published by the Free Software Foundation; either version 2
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 *  of the License, or (at your option) any later version.
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 *
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 *  This program is distributed in the hope that it will be useful,
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 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
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 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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 *  GNU General Public License for more details.
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 *
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 *  You should have received a copy of the GNU General Public License
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 *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
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 *
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 *  FILE: megaraid_sas_fusion.h
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 *
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 *  Authors: Avago Technologies
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 *           Manoj Jose
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 *           Sumant Patro
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 *           Kashyap Desai <kashyap.desai@avagotech.com>
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 *           Sumit Saxena <sumit.saxena@avagotech.com>
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 *
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 *  Send feedback to: megaraidlinux.pdl@avagotech.com
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 *
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 *  Mail to: Avago Technologies, 350 West Trimble Road, Building 90,
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 *  San Jose, California 95131
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 */
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#ifndef _MEGARAID_SAS_FUSION_H_
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#define _MEGARAID_SAS_FUSION_H_
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/* Fusion defines */
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#define MEGASAS_CHAIN_FRAME_SZ_MIN 1024
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#define MFI_FUSION_ENABLE_INTERRUPT_MASK (0x00000009)
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#define MEGASAS_MAX_CHAIN_SHIFT			5
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#define MEGASAS_MAX_CHAIN_SIZE_UNITS_MASK	0x400000
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#define MEGASAS_MAX_CHAIN_SIZE_MASK		0x3E0
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#define MEGASAS_256K_IO				128
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#define MEGASAS_1MB_IO				(MEGASAS_256K_IO * 4)
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#define MEGA_MPI2_RAID_DEFAULT_IO_FRAME_SIZE 256
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#define MEGASAS_MPI2_FUNCTION_PASSTHRU_IO_REQUEST   0xF0
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#define MEGASAS_MPI2_FUNCTION_LD_IO_REQUEST         0xF1
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#define MEGASAS_LOAD_BALANCE_FLAG		    0x1
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#define MEGASAS_DCMD_MBOX_PEND_FLAG		    0x1
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#define HOST_DIAG_WRITE_ENABLE			    0x80
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#define HOST_DIAG_RESET_ADAPTER			    0x4
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#define MEGASAS_FUSION_MAX_RESET_TRIES		    3
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#define MAX_MSIX_QUEUES_FUSION			    128
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#define RDPQ_MAX_INDEX_IN_ONE_CHUNK		    16
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#define RDPQ_MAX_CHUNK_COUNT (MAX_MSIX_QUEUES_FUSION / RDPQ_MAX_INDEX_IN_ONE_CHUNK)
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/* Invader defines */
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#define MPI2_TYPE_CUDA				    0x2
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#define MPI25_SAS_DEVICE0_FLAGS_ENABLED_FAST_PATH   0x4000
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#define	MR_RL_FLAGS_GRANT_DESTINATION_CPU0	    0x00
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#define	MR_RL_FLAGS_GRANT_DESTINATION_CPU1	    0x10
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#define	MR_RL_FLAGS_GRANT_DESTINATION_CUDA	    0x80
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#define MR_RL_FLAGS_SEQ_NUM_ENABLE		    0x8
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#define MR_RL_WRITE_THROUGH_MODE		    0x00
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#define MR_RL_WRITE_BACK_MODE			    0x01
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/* T10 PI defines */
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#define MR_PROT_INFO_TYPE_CONTROLLER                0x8
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#define MEGASAS_SCSI_VARIABLE_LENGTH_CMD            0x7f
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#define MEGASAS_SCSI_SERVICE_ACTION_READ32          0x9
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#define MEGASAS_SCSI_SERVICE_ACTION_WRITE32         0xB
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#define MEGASAS_SCSI_ADDL_CDB_LEN                   0x18
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#define MEGASAS_RD_WR_PROTECT_CHECK_ALL		    0x20
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#define MEGASAS_RD_WR_PROTECT_CHECK_NONE	    0x60
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#define MPI2_SUP_REPLY_POST_HOST_INDEX_OFFSET   (0x0000030C)
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#define MPI2_REPLY_POST_HOST_INDEX_OFFSET	(0x0000006C)
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/*
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 * Raid context flags
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 */
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#define MR_RAID_CTX_RAID_FLAGS_IO_SUB_TYPE_SHIFT   0x4
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#define MR_RAID_CTX_RAID_FLAGS_IO_SUB_TYPE_MASK    0x30
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enum MR_RAID_FLAGS_IO_SUB_TYPE {
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	MR_RAID_FLAGS_IO_SUB_TYPE_NONE = 0,
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	MR_RAID_FLAGS_IO_SUB_TYPE_SYSTEM_PD = 1,
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	MR_RAID_FLAGS_IO_SUB_TYPE_RMW_DATA     = 2,
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	MR_RAID_FLAGS_IO_SUB_TYPE_RMW_P        = 3,
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	MR_RAID_FLAGS_IO_SUB_TYPE_RMW_Q        = 4,
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	MR_RAID_FLAGS_IO_SUB_TYPE_CACHE_BYPASS = 6,
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	MR_RAID_FLAGS_IO_SUB_TYPE_LDIO_BW_LIMIT = 7
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};
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/*
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 * Request descriptor types
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 */
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#define MEGASAS_REQ_DESCRIPT_FLAGS_LD_IO           0x7
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#define MEGASAS_REQ_DESCRIPT_FLAGS_MFA             0x1
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#define MEGASAS_REQ_DESCRIPT_FLAGS_NO_LOCK	   0x2
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#define MEGASAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT      1
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#define MEGASAS_FP_CMD_LEN	16
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#define MEGASAS_FUSION_IN_RESET 0
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#define THRESHOLD_REPLY_COUNT 50
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#define RAID_1_PEER_CMDS 2
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#define JBOD_MAPS_COUNT	2
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#define MEGASAS_REDUCE_QD_COUNT 64
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#define IOC_INIT_FRAME_SIZE 4096
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/*
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 * Raid Context structure which describes MegaRAID specific IO Parameters
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 * This resides at offset 0x60 where the SGL normally starts in MPT IO Frames
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 */
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struct RAID_CONTEXT {
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#if   defined(__BIG_ENDIAN_BITFIELD)
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	u8 nseg:4;
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	u8 type:4;
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#else
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	u8 type:4;
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	u8 nseg:4;
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#endif
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	u8 resvd0;
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	__le16 timeout_value;
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	u8 reg_lock_flags;
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	u8 resvd1;
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	__le16 virtual_disk_tgt_id;
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	__le64 reg_lock_row_lba;
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	__le32 reg_lock_length;
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	__le16 next_lmid;
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	u8 ex_status;
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	u8 status;
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	u8 raid_flags;
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	u8 num_sge;
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	__le16 config_seq_num;
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	u8 span_arm;
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	u8 priority;
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	u8 num_sge_ext;
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	u8 resvd2;
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};
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/*
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 * Raid Context structure which describes ventura MegaRAID specific
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 * IO Paramenters ,This resides at offset 0x60 where the SGL normally
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 * starts in MPT IO Frames
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 */
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struct RAID_CONTEXT_G35 {
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	#define RAID_CONTEXT_NSEG_MASK	0x00F0
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	#define RAID_CONTEXT_NSEG_SHIFT	4
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	#define RAID_CONTEXT_TYPE_MASK	0x000F
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	#define RAID_CONTEXT_TYPE_SHIFT	0
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	u16		nseg_type;
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	u16 timeout_value; /* 0x02 -0x03 */
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	u16		routing_flags;	// 0x04 -0x05 routing flags
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	u16 virtual_disk_tgt_id;   /* 0x06 -0x07 */
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	u64 reg_lock_row_lba;      /* 0x08 - 0x0F */
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	u32 reg_lock_length;      /* 0x10 - 0x13 */
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	union {
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		u16 next_lmid; /* 0x14 - 0x15 */
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		u16	peer_smid;	/* used for the raid 1/10 fp writes */
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	} smid;
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	u8 ex_status;       /* 0x16 : OUT */
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	u8 status;          /* 0x17 status */
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	u8 raid_flags;		/* 0x18 resvd[7:6], ioSubType[5:4],
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				 * resvd[3:1], preferredCpu[0]
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				 */
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	u8 span_arm;            /* 0x1C span[7:5], arm[4:0] */
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	u16	config_seq_num;           /* 0x1A -0x1B */
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	union {
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		/*
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		 * Bit format:
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		 *	 ---------------------------------
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		 *	 | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
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		 *	 ---------------------------------
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		 * Byte0 |    numSGE[7]- numSGE[0]	 |
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		 *	 ---------------------------------
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		 * Byte1 |SD | resvd     | numSGE 8-11   |
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		 *        --------------------------------
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		 */
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		#define NUM_SGE_MASK_LOWER	0xFF
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		#define NUM_SGE_MASK_UPPER	0x0F
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		#define NUM_SGE_SHIFT_UPPER	8
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		#define STREAM_DETECT_SHIFT	7
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		#define STREAM_DETECT_MASK	0x80
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		struct {
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#if   defined(__BIG_ENDIAN_BITFIELD) /* 0x1C - 0x1D */
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			u16 stream_detected:1;
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			u16 reserved:3;
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			u16 num_sge:12;
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#else
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			u16 num_sge:12;
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			u16 reserved:3;
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			u16 stream_detected:1;
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#endif
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		} bits;
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		u8 bytes[2];
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	} u;
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	u8 resvd2[2];          /* 0x1E-0x1F */
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};
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#define MR_RAID_CTX_ROUTINGFLAGS_SLD_SHIFT	1
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#define MR_RAID_CTX_ROUTINGFLAGS_C2D_SHIFT	2
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#define MR_RAID_CTX_ROUTINGFLAGS_FWD_SHIFT	3
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#define MR_RAID_CTX_ROUTINGFLAGS_SQN_SHIFT	4
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#define MR_RAID_CTX_ROUTINGFLAGS_SBS_SHIFT	5
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#define MR_RAID_CTX_ROUTINGFLAGS_RW_SHIFT	6
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#define MR_RAID_CTX_ROUTINGFLAGS_LOG_SHIFT	7
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#define MR_RAID_CTX_ROUTINGFLAGS_CPUSEL_SHIFT	8
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#define MR_RAID_CTX_ROUTINGFLAGS_CPUSEL_MASK	0x0F00
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#define MR_RAID_CTX_ROUTINGFLAGS_SETDIVERT_SHIFT	12
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#define MR_RAID_CTX_ROUTINGFLAGS_SETDIVERT_MASK	0xF000
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static inline void set_num_sge(struct RAID_CONTEXT_G35 *rctx_g35,
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			       u16 sge_count)
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{
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	rctx_g35->u.bytes[0] = (u8)(sge_count & NUM_SGE_MASK_LOWER);
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	rctx_g35->u.bytes[1] |= (u8)((sge_count >> NUM_SGE_SHIFT_UPPER)
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							& NUM_SGE_MASK_UPPER);
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}
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static inline u16 get_num_sge(struct RAID_CONTEXT_G35 *rctx_g35)
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{
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	u16 sge_count;
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	sge_count = (u16)(((rctx_g35->u.bytes[1] & NUM_SGE_MASK_UPPER)
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			<< NUM_SGE_SHIFT_UPPER) | (rctx_g35->u.bytes[0]));
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	return sge_count;
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}
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#define SET_STREAM_DETECTED(rctx_g35) \
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	(rctx_g35.u.bytes[1] |= STREAM_DETECT_MASK)
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#define CLEAR_STREAM_DETECTED(rctx_g35) \
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	(rctx_g35.u.bytes[1] &= ~(STREAM_DETECT_MASK))
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static inline bool is_stream_detected(struct RAID_CONTEXT_G35 *rctx_g35)
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{
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	return ((rctx_g35->u.bytes[1] & STREAM_DETECT_MASK));
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}
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union RAID_CONTEXT_UNION {
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	struct RAID_CONTEXT raid_context;
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	struct RAID_CONTEXT_G35 raid_context_g35;
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};
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#define RAID_CTX_SPANARM_ARM_SHIFT	(0)
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#define RAID_CTX_SPANARM_ARM_MASK	(0x1f)
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#define RAID_CTX_SPANARM_SPAN_SHIFT	(5)
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#define RAID_CTX_SPANARM_SPAN_MASK	(0xE0)
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/* number of bits per index in U32 TrackStream */
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#define BITS_PER_INDEX_STREAM		4
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#define INVALID_STREAM_NUM              16
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#define MR_STREAM_BITMAP		0x76543210
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#define STREAM_MASK			((1 << BITS_PER_INDEX_STREAM) - 1)
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#define ZERO_LAST_STREAM		0x0fffffff
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#define MAX_STREAMS_TRACKED		8
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/*
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 * define region lock types
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 */
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enum REGION_TYPE {
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	REGION_TYPE_UNUSED       = 0,
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	REGION_TYPE_SHARED_READ  = 1,
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	REGION_TYPE_SHARED_WRITE = 2,
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	REGION_TYPE_EXCLUSIVE    = 3,
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};
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 | 
						|
/* MPI2 defines */
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#define MPI2_FUNCTION_IOC_INIT              (0x02) /* IOC Init */
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						|
#define MPI2_WHOINIT_HOST_DRIVER            (0x04)
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#define MPI2_VERSION_MAJOR                  (0x02)
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						|
#define MPI2_VERSION_MINOR                  (0x00)
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#define MPI2_VERSION_MAJOR_MASK             (0xFF00)
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						|
#define MPI2_VERSION_MAJOR_SHIFT            (8)
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						|
#define MPI2_VERSION_MINOR_MASK             (0x00FF)
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						|
#define MPI2_VERSION_MINOR_SHIFT            (0)
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#define MPI2_VERSION ((MPI2_VERSION_MAJOR << MPI2_VERSION_MAJOR_SHIFT) | \
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		      MPI2_VERSION_MINOR)
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						|
#define MPI2_HEADER_VERSION_UNIT            (0x10)
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						|
#define MPI2_HEADER_VERSION_DEV             (0x00)
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						|
#define MPI2_HEADER_VERSION_UNIT_MASK       (0xFF00)
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						|
#define MPI2_HEADER_VERSION_UNIT_SHIFT      (8)
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						|
#define MPI2_HEADER_VERSION_DEV_MASK        (0x00FF)
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						|
#define MPI2_HEADER_VERSION_DEV_SHIFT       (0)
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						|
#define MPI2_HEADER_VERSION ((MPI2_HEADER_VERSION_UNIT << 8) | \
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			     MPI2_HEADER_VERSION_DEV)
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						|
#define MPI2_IEEE_SGE_FLAGS_IOCPLBNTA_ADDR      (0x03)
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						|
#define MPI2_SCSIIO_EEDPFLAGS_INC_PRI_REFTAG        (0x8000)
 | 
						|
#define MPI2_SCSIIO_EEDPFLAGS_CHECK_REFTAG          (0x0400)
 | 
						|
#define MPI2_SCSIIO_EEDPFLAGS_CHECK_REMOVE_OP       (0x0003)
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						|
#define MPI2_SCSIIO_EEDPFLAGS_CHECK_APPTAG          (0x0200)
 | 
						|
#define MPI2_SCSIIO_EEDPFLAGS_CHECK_GUARD           (0x0100)
 | 
						|
#define MPI2_SCSIIO_EEDPFLAGS_INSERT_OP             (0x0004)
 | 
						|
/* EEDP escape mode */
 | 
						|
#define MPI25_SCSIIO_EEDPFLAGS_DO_NOT_DISABLE_MODE  (0x0040)
 | 
						|
#define MPI2_FUNCTION_SCSI_IO_REQUEST               (0x00) /* SCSI IO */
 | 
						|
#define MPI2_FUNCTION_SCSI_TASK_MGMT                (0x01)
 | 
						|
#define MPI2_REQ_DESCRIPT_FLAGS_HIGH_PRIORITY       (0x03)
 | 
						|
#define MPI2_REQ_DESCRIPT_FLAGS_FP_IO               (0x06)
 | 
						|
#define MPI2_REQ_DESCRIPT_FLAGS_SCSI_IO                 (0x00)
 | 
						|
#define MPI2_SGE_FLAGS_64_BIT_ADDRESSING        (0x02)
 | 
						|
#define MPI2_SCSIIO_CONTROL_WRITE               (0x01000000)
 | 
						|
#define MPI2_SCSIIO_CONTROL_READ                (0x02000000)
 | 
						|
#define MPI2_REQ_DESCRIPT_FLAGS_TYPE_MASK       (0x0E)
 | 
						|
#define MPI2_RPY_DESCRIPT_FLAGS_UNUSED          (0x0F)
 | 
						|
#define MPI2_RPY_DESCRIPT_FLAGS_SCSI_IO_SUCCESS (0x00)
 | 
						|
#define MPI2_RPY_DESCRIPT_FLAGS_TYPE_MASK       (0x0F)
 | 
						|
#define MPI2_WRSEQ_FLUSH_KEY_VALUE              (0x0)
 | 
						|
#define MPI2_WRITE_SEQUENCE_OFFSET              (0x00000004)
 | 
						|
#define MPI2_WRSEQ_1ST_KEY_VALUE                (0xF)
 | 
						|
#define MPI2_WRSEQ_2ND_KEY_VALUE                (0x4)
 | 
						|
#define MPI2_WRSEQ_3RD_KEY_VALUE                (0xB)
 | 
						|
#define MPI2_WRSEQ_4TH_KEY_VALUE                (0x2)
 | 
						|
#define MPI2_WRSEQ_5TH_KEY_VALUE                (0x7)
 | 
						|
#define MPI2_WRSEQ_6TH_KEY_VALUE                (0xD)
 | 
						|
 | 
						|
struct MPI25_IEEE_SGE_CHAIN64 {
 | 
						|
	__le64			Address;
 | 
						|
	__le32			Length;
 | 
						|
	__le16			Reserved1;
 | 
						|
	u8                      NextChainOffset;
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						|
	u8                      Flags;
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						|
};
 | 
						|
 | 
						|
struct MPI2_SGE_SIMPLE_UNION {
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						|
	__le32                     FlagsLength;
 | 
						|
	union {
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						|
		__le32                 Address32;
 | 
						|
		__le64                 Address64;
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						|
	} u;
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						|
};
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						|
 | 
						|
struct MPI2_SCSI_IO_CDB_EEDP32 {
 | 
						|
	u8                      CDB[20];                    /* 0x00 */
 | 
						|
	__be32			PrimaryReferenceTag;        /* 0x14 */
 | 
						|
	__be16			PrimaryApplicationTag;      /* 0x18 */
 | 
						|
	__be16			PrimaryApplicationTagMask;  /* 0x1A */
 | 
						|
	__le32			TransferLength;             /* 0x1C */
 | 
						|
};
 | 
						|
 | 
						|
struct MPI2_SGE_CHAIN_UNION {
 | 
						|
	__le16			Length;
 | 
						|
	u8                      NextChainOffset;
 | 
						|
	u8                      Flags;
 | 
						|
	union {
 | 
						|
		__le32		Address32;
 | 
						|
		__le64		Address64;
 | 
						|
	} u;
 | 
						|
};
 | 
						|
 | 
						|
struct MPI2_IEEE_SGE_SIMPLE32 {
 | 
						|
	__le32			Address;
 | 
						|
	__le32			FlagsLength;
 | 
						|
};
 | 
						|
 | 
						|
struct MPI2_IEEE_SGE_CHAIN32 {
 | 
						|
	__le32			Address;
 | 
						|
	__le32			FlagsLength;
 | 
						|
};
 | 
						|
 | 
						|
struct MPI2_IEEE_SGE_SIMPLE64 {
 | 
						|
	__le64			Address;
 | 
						|
	__le32			Length;
 | 
						|
	__le16			Reserved1;
 | 
						|
	u8                      Reserved2;
 | 
						|
	u8                      Flags;
 | 
						|
};
 | 
						|
 | 
						|
struct MPI2_IEEE_SGE_CHAIN64 {
 | 
						|
	__le64			Address;
 | 
						|
	__le32			Length;
 | 
						|
	__le16			Reserved1;
 | 
						|
	u8                      Reserved2;
 | 
						|
	u8                      Flags;
 | 
						|
};
 | 
						|
 | 
						|
union MPI2_IEEE_SGE_SIMPLE_UNION {
 | 
						|
	struct MPI2_IEEE_SGE_SIMPLE32  Simple32;
 | 
						|
	struct MPI2_IEEE_SGE_SIMPLE64  Simple64;
 | 
						|
};
 | 
						|
 | 
						|
union MPI2_IEEE_SGE_CHAIN_UNION {
 | 
						|
	struct MPI2_IEEE_SGE_CHAIN32   Chain32;
 | 
						|
	struct MPI2_IEEE_SGE_CHAIN64   Chain64;
 | 
						|
};
 | 
						|
 | 
						|
union MPI2_SGE_IO_UNION {
 | 
						|
	struct MPI2_SGE_SIMPLE_UNION       MpiSimple;
 | 
						|
	struct MPI2_SGE_CHAIN_UNION        MpiChain;
 | 
						|
	union MPI2_IEEE_SGE_SIMPLE_UNION  IeeeSimple;
 | 
						|
	union MPI2_IEEE_SGE_CHAIN_UNION   IeeeChain;
 | 
						|
};
 | 
						|
 | 
						|
union MPI2_SCSI_IO_CDB_UNION {
 | 
						|
	u8                      CDB32[32];
 | 
						|
	struct MPI2_SCSI_IO_CDB_EEDP32 EEDP32;
 | 
						|
	struct MPI2_SGE_SIMPLE_UNION SGE;
 | 
						|
};
 | 
						|
 | 
						|
/****************************************************************************
 | 
						|
*  SCSI Task Management messages
 | 
						|
****************************************************************************/
 | 
						|
 | 
						|
/*SCSI Task Management Request Message */
 | 
						|
struct MPI2_SCSI_TASK_MANAGE_REQUEST {
 | 
						|
	u16 DevHandle;		/*0x00 */
 | 
						|
	u8 ChainOffset;		/*0x02 */
 | 
						|
	u8 Function;		/*0x03 */
 | 
						|
	u8 Reserved1;		/*0x04 */
 | 
						|
	u8 TaskType;		/*0x05 */
 | 
						|
	u8 Reserved2;		/*0x06 */
 | 
						|
	u8 MsgFlags;		/*0x07 */
 | 
						|
	u8 VP_ID;		/*0x08 */
 | 
						|
	u8 VF_ID;		/*0x09 */
 | 
						|
	u16 Reserved3;		/*0x0A */
 | 
						|
	u8 LUN[8];		/*0x0C */
 | 
						|
	u32 Reserved4[7];	/*0x14 */
 | 
						|
	u16 TaskMID;		/*0x30 */
 | 
						|
	u16 Reserved5;		/*0x32 */
 | 
						|
};
 | 
						|
 | 
						|
 | 
						|
/*SCSI Task Management Reply Message */
 | 
						|
struct MPI2_SCSI_TASK_MANAGE_REPLY {
 | 
						|
	u16 DevHandle;		/*0x00 */
 | 
						|
	u8 MsgLength;		/*0x02 */
 | 
						|
	u8 Function;		/*0x03 */
 | 
						|
	u8 ResponseCode;	/*0x04 */
 | 
						|
	u8 TaskType;		/*0x05 */
 | 
						|
	u8 Reserved1;		/*0x06 */
 | 
						|
	u8 MsgFlags;		/*0x07 */
 | 
						|
	u8 VP_ID;		/*0x08 */
 | 
						|
	u8 VF_ID;		/*0x09 */
 | 
						|
	u16 Reserved2;		/*0x0A */
 | 
						|
	u16 Reserved3;		/*0x0C */
 | 
						|
	u16 IOCStatus;		/*0x0E */
 | 
						|
	u32 IOCLogInfo;		/*0x10 */
 | 
						|
	u32 TerminationCount;	/*0x14 */
 | 
						|
	u32 ResponseInfo;	/*0x18 */
 | 
						|
};
 | 
						|
 | 
						|
struct MR_TM_REQUEST {
 | 
						|
	char request[128];
 | 
						|
};
 | 
						|
 | 
						|
struct MR_TM_REPLY {
 | 
						|
	char reply[128];
 | 
						|
};
 | 
						|
 | 
						|
/* SCSI Task Management Request Message */
 | 
						|
struct MR_TASK_MANAGE_REQUEST {
 | 
						|
	/*To be type casted to struct MPI2_SCSI_TASK_MANAGE_REQUEST */
 | 
						|
	struct MR_TM_REQUEST         TmRequest;
 | 
						|
	union {
 | 
						|
		struct {
 | 
						|
#if   defined(__BIG_ENDIAN_BITFIELD)
 | 
						|
			u32 reserved1:30;
 | 
						|
			u32 isTMForPD:1;
 | 
						|
			u32 isTMForLD:1;
 | 
						|
#else
 | 
						|
			u32 isTMForLD:1;
 | 
						|
			u32 isTMForPD:1;
 | 
						|
			u32 reserved1:30;
 | 
						|
#endif
 | 
						|
			u32 reserved2;
 | 
						|
		} tmReqFlags;
 | 
						|
		struct MR_TM_REPLY   TMReply;
 | 
						|
	};
 | 
						|
};
 | 
						|
 | 
						|
/* TaskType values */
 | 
						|
 | 
						|
#define MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK           (0x01)
 | 
						|
#define MPI2_SCSITASKMGMT_TASKTYPE_ABRT_TASK_SET        (0x02)
 | 
						|
#define MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET         (0x03)
 | 
						|
#define MPI2_SCSITASKMGMT_TASKTYPE_LOGICAL_UNIT_RESET   (0x05)
 | 
						|
#define MPI2_SCSITASKMGMT_TASKTYPE_CLEAR_TASK_SET       (0x06)
 | 
						|
#define MPI2_SCSITASKMGMT_TASKTYPE_QUERY_TASK           (0x07)
 | 
						|
#define MPI2_SCSITASKMGMT_TASKTYPE_CLR_ACA              (0x08)
 | 
						|
#define MPI2_SCSITASKMGMT_TASKTYPE_QRY_TASK_SET         (0x09)
 | 
						|
#define MPI2_SCSITASKMGMT_TASKTYPE_QRY_ASYNC_EVENT      (0x0A)
 | 
						|
 | 
						|
/* ResponseCode values */
 | 
						|
 | 
						|
#define MPI2_SCSITASKMGMT_RSP_TM_COMPLETE               (0x00)
 | 
						|
#define MPI2_SCSITASKMGMT_RSP_INVALID_FRAME             (0x02)
 | 
						|
#define MPI2_SCSITASKMGMT_RSP_TM_NOT_SUPPORTED          (0x04)
 | 
						|
#define MPI2_SCSITASKMGMT_RSP_TM_FAILED                 (0x05)
 | 
						|
#define MPI2_SCSITASKMGMT_RSP_TM_SUCCEEDED              (0x08)
 | 
						|
#define MPI2_SCSITASKMGMT_RSP_TM_INVALID_LUN            (0x09)
 | 
						|
#define MPI2_SCSITASKMGMT_RSP_TM_OVERLAPPED_TAG         (0x0A)
 | 
						|
#define MPI2_SCSITASKMGMT_RSP_IO_QUEUED_ON_IOC          (0x80)
 | 
						|
 | 
						|
/*
 | 
						|
 * RAID SCSI IO Request Message
 | 
						|
 * Total SGE count will be one less than  _MPI2_SCSI_IO_REQUEST
 | 
						|
 */
 | 
						|
struct MPI2_RAID_SCSI_IO_REQUEST {
 | 
						|
	__le16			DevHandle;                      /* 0x00 */
 | 
						|
	u8                      ChainOffset;                    /* 0x02 */
 | 
						|
	u8                      Function;                       /* 0x03 */
 | 
						|
	__le16			Reserved1;                      /* 0x04 */
 | 
						|
	u8                      Reserved2;                      /* 0x06 */
 | 
						|
	u8                      MsgFlags;                       /* 0x07 */
 | 
						|
	u8                      VP_ID;                          /* 0x08 */
 | 
						|
	u8                      VF_ID;                          /* 0x09 */
 | 
						|
	__le16			Reserved3;                      /* 0x0A */
 | 
						|
	__le32			SenseBufferLowAddress;          /* 0x0C */
 | 
						|
	__le16			SGLFlags;                       /* 0x10 */
 | 
						|
	u8                      SenseBufferLength;              /* 0x12 */
 | 
						|
	u8                      Reserved4;                      /* 0x13 */
 | 
						|
	u8                      SGLOffset0;                     /* 0x14 */
 | 
						|
	u8                      SGLOffset1;                     /* 0x15 */
 | 
						|
	u8                      SGLOffset2;                     /* 0x16 */
 | 
						|
	u8                      SGLOffset3;                     /* 0x17 */
 | 
						|
	__le32			SkipCount;                      /* 0x18 */
 | 
						|
	__le32			DataLength;                     /* 0x1C */
 | 
						|
	__le32			BidirectionalDataLength;        /* 0x20 */
 | 
						|
	__le16			IoFlags;                        /* 0x24 */
 | 
						|
	__le16			EEDPFlags;                      /* 0x26 */
 | 
						|
	__le32			EEDPBlockSize;                  /* 0x28 */
 | 
						|
	__le32			SecondaryReferenceTag;          /* 0x2C */
 | 
						|
	__le16			SecondaryApplicationTag;        /* 0x30 */
 | 
						|
	__le16			ApplicationTagTranslationMask;  /* 0x32 */
 | 
						|
	u8                      LUN[8];                         /* 0x34 */
 | 
						|
	__le32			Control;                        /* 0x3C */
 | 
						|
	union MPI2_SCSI_IO_CDB_UNION  CDB;			/* 0x40 */
 | 
						|
	union RAID_CONTEXT_UNION RaidContext;  /* 0x60 */
 | 
						|
	union MPI2_SGE_IO_UNION       SGL;			/* 0x80 */
 | 
						|
};
 | 
						|
 | 
						|
/*
 | 
						|
 * MPT RAID MFA IO Descriptor.
 | 
						|
 */
 | 
						|
struct MEGASAS_RAID_MFA_IO_REQUEST_DESCRIPTOR {
 | 
						|
	u32     RequestFlags:8;
 | 
						|
	u32     MessageAddress1:24;
 | 
						|
	u32     MessageAddress2;
 | 
						|
};
 | 
						|
 | 
						|
/* Default Request Descriptor */
 | 
						|
struct MPI2_DEFAULT_REQUEST_DESCRIPTOR {
 | 
						|
	u8              RequestFlags;               /* 0x00 */
 | 
						|
	u8              MSIxIndex;                  /* 0x01 */
 | 
						|
	__le16		SMID;                       /* 0x02 */
 | 
						|
	__le16		LMID;                       /* 0x04 */
 | 
						|
	__le16		DescriptorTypeDependent;    /* 0x06 */
 | 
						|
};
 | 
						|
 | 
						|
/* High Priority Request Descriptor */
 | 
						|
struct MPI2_HIGH_PRIORITY_REQUEST_DESCRIPTOR {
 | 
						|
	u8              RequestFlags;               /* 0x00 */
 | 
						|
	u8              MSIxIndex;                  /* 0x01 */
 | 
						|
	__le16		SMID;                       /* 0x02 */
 | 
						|
	__le16		LMID;                       /* 0x04 */
 | 
						|
	__le16		Reserved1;                  /* 0x06 */
 | 
						|
};
 | 
						|
 | 
						|
/* SCSI IO Request Descriptor */
 | 
						|
struct MPI2_SCSI_IO_REQUEST_DESCRIPTOR {
 | 
						|
	u8              RequestFlags;               /* 0x00 */
 | 
						|
	u8              MSIxIndex;                  /* 0x01 */
 | 
						|
	__le16		SMID;                       /* 0x02 */
 | 
						|
	__le16		LMID;                       /* 0x04 */
 | 
						|
	__le16		DevHandle;                  /* 0x06 */
 | 
						|
};
 | 
						|
 | 
						|
/* SCSI Target Request Descriptor */
 | 
						|
struct MPI2_SCSI_TARGET_REQUEST_DESCRIPTOR {
 | 
						|
	u8              RequestFlags;               /* 0x00 */
 | 
						|
	u8              MSIxIndex;                  /* 0x01 */
 | 
						|
	__le16		SMID;                       /* 0x02 */
 | 
						|
	__le16		LMID;                       /* 0x04 */
 | 
						|
	__le16		IoIndex;                    /* 0x06 */
 | 
						|
};
 | 
						|
 | 
						|
/* RAID Accelerator Request Descriptor */
 | 
						|
struct MPI2_RAID_ACCEL_REQUEST_DESCRIPTOR {
 | 
						|
	u8              RequestFlags;               /* 0x00 */
 | 
						|
	u8              MSIxIndex;                  /* 0x01 */
 | 
						|
	__le16		SMID;                       /* 0x02 */
 | 
						|
	__le16		LMID;                       /* 0x04 */
 | 
						|
	__le16		Reserved;                   /* 0x06 */
 | 
						|
};
 | 
						|
 | 
						|
/* union of Request Descriptors */
 | 
						|
union MEGASAS_REQUEST_DESCRIPTOR_UNION {
 | 
						|
	struct MPI2_DEFAULT_REQUEST_DESCRIPTOR             Default;
 | 
						|
	struct MPI2_HIGH_PRIORITY_REQUEST_DESCRIPTOR       HighPriority;
 | 
						|
	struct MPI2_SCSI_IO_REQUEST_DESCRIPTOR             SCSIIO;
 | 
						|
	struct MPI2_SCSI_TARGET_REQUEST_DESCRIPTOR         SCSITarget;
 | 
						|
	struct MPI2_RAID_ACCEL_REQUEST_DESCRIPTOR          RAIDAccelerator;
 | 
						|
	struct MEGASAS_RAID_MFA_IO_REQUEST_DESCRIPTOR      MFAIo;
 | 
						|
	union {
 | 
						|
		struct {
 | 
						|
			__le32 low;
 | 
						|
			__le32 high;
 | 
						|
		} u;
 | 
						|
		__le64 Words;
 | 
						|
	};
 | 
						|
};
 | 
						|
 | 
						|
/* Default Reply Descriptor */
 | 
						|
struct MPI2_DEFAULT_REPLY_DESCRIPTOR {
 | 
						|
	u8              ReplyFlags;                 /* 0x00 */
 | 
						|
	u8              MSIxIndex;                  /* 0x01 */
 | 
						|
	__le16		DescriptorTypeDependent1;   /* 0x02 */
 | 
						|
	__le32		DescriptorTypeDependent2;   /* 0x04 */
 | 
						|
};
 | 
						|
 | 
						|
/* Address Reply Descriptor */
 | 
						|
struct MPI2_ADDRESS_REPLY_DESCRIPTOR {
 | 
						|
	u8              ReplyFlags;                 /* 0x00 */
 | 
						|
	u8              MSIxIndex;                  /* 0x01 */
 | 
						|
	__le16		SMID;                       /* 0x02 */
 | 
						|
	__le32		ReplyFrameAddress;          /* 0x04 */
 | 
						|
};
 | 
						|
 | 
						|
/* SCSI IO Success Reply Descriptor */
 | 
						|
struct MPI2_SCSI_IO_SUCCESS_REPLY_DESCRIPTOR {
 | 
						|
	u8              ReplyFlags;                 /* 0x00 */
 | 
						|
	u8              MSIxIndex;                  /* 0x01 */
 | 
						|
	__le16		SMID;                       /* 0x02 */
 | 
						|
	__le16		TaskTag;                    /* 0x04 */
 | 
						|
	__le16		Reserved1;                  /* 0x06 */
 | 
						|
};
 | 
						|
 | 
						|
/* TargetAssist Success Reply Descriptor */
 | 
						|
struct MPI2_TARGETASSIST_SUCCESS_REPLY_DESCRIPTOR {
 | 
						|
	u8              ReplyFlags;                 /* 0x00 */
 | 
						|
	u8              MSIxIndex;                  /* 0x01 */
 | 
						|
	__le16		SMID;                       /* 0x02 */
 | 
						|
	u8              SequenceNumber;             /* 0x04 */
 | 
						|
	u8              Reserved1;                  /* 0x05 */
 | 
						|
	__le16		IoIndex;                    /* 0x06 */
 | 
						|
};
 | 
						|
 | 
						|
/* Target Command Buffer Reply Descriptor */
 | 
						|
struct MPI2_TARGET_COMMAND_BUFFER_REPLY_DESCRIPTOR {
 | 
						|
	u8              ReplyFlags;                 /* 0x00 */
 | 
						|
	u8              MSIxIndex;                  /* 0x01 */
 | 
						|
	u8              VP_ID;                      /* 0x02 */
 | 
						|
	u8              Flags;                      /* 0x03 */
 | 
						|
	__le16		InitiatorDevHandle;         /* 0x04 */
 | 
						|
	__le16		IoIndex;                    /* 0x06 */
 | 
						|
};
 | 
						|
 | 
						|
/* RAID Accelerator Success Reply Descriptor */
 | 
						|
struct MPI2_RAID_ACCELERATOR_SUCCESS_REPLY_DESCRIPTOR {
 | 
						|
	u8              ReplyFlags;                 /* 0x00 */
 | 
						|
	u8              MSIxIndex;                  /* 0x01 */
 | 
						|
	__le16		SMID;                       /* 0x02 */
 | 
						|
	__le32		Reserved;                   /* 0x04 */
 | 
						|
};
 | 
						|
 | 
						|
/* union of Reply Descriptors */
 | 
						|
union MPI2_REPLY_DESCRIPTORS_UNION {
 | 
						|
	struct MPI2_DEFAULT_REPLY_DESCRIPTOR                   Default;
 | 
						|
	struct MPI2_ADDRESS_REPLY_DESCRIPTOR                   AddressReply;
 | 
						|
	struct MPI2_SCSI_IO_SUCCESS_REPLY_DESCRIPTOR           SCSIIOSuccess;
 | 
						|
	struct MPI2_TARGETASSIST_SUCCESS_REPLY_DESCRIPTOR TargetAssistSuccess;
 | 
						|
	struct MPI2_TARGET_COMMAND_BUFFER_REPLY_DESCRIPTOR TargetCommandBuffer;
 | 
						|
	struct MPI2_RAID_ACCELERATOR_SUCCESS_REPLY_DESCRIPTOR
 | 
						|
	RAIDAcceleratorSuccess;
 | 
						|
	__le64                                             Words;
 | 
						|
};
 | 
						|
 | 
						|
/* IOCInit Request message */
 | 
						|
struct MPI2_IOC_INIT_REQUEST {
 | 
						|
	u8                      WhoInit;                        /* 0x00 */
 | 
						|
	u8                      Reserved1;                      /* 0x01 */
 | 
						|
	u8                      ChainOffset;                    /* 0x02 */
 | 
						|
	u8                      Function;                       /* 0x03 */
 | 
						|
	__le16			Reserved2;                      /* 0x04 */
 | 
						|
	u8                      Reserved3;                      /* 0x06 */
 | 
						|
	u8                      MsgFlags;                       /* 0x07 */
 | 
						|
	u8                      VP_ID;                          /* 0x08 */
 | 
						|
	u8                      VF_ID;                          /* 0x09 */
 | 
						|
	__le16			Reserved4;                      /* 0x0A */
 | 
						|
	__le16			MsgVersion;                     /* 0x0C */
 | 
						|
	__le16			HeaderVersion;                  /* 0x0E */
 | 
						|
	u32                     Reserved5;                      /* 0x10 */
 | 
						|
	__le16			Reserved6;                      /* 0x14 */
 | 
						|
	u8                      HostPageSize;                   /* 0x16 */
 | 
						|
	u8                      HostMSIxVectors;                /* 0x17 */
 | 
						|
	__le16			Reserved8;                      /* 0x18 */
 | 
						|
	__le16			SystemRequestFrameSize;         /* 0x1A */
 | 
						|
	__le16			ReplyDescriptorPostQueueDepth;  /* 0x1C */
 | 
						|
	__le16			ReplyFreeQueueDepth;            /* 0x1E */
 | 
						|
	__le32			SenseBufferAddressHigh;         /* 0x20 */
 | 
						|
	__le32			SystemReplyAddressHigh;         /* 0x24 */
 | 
						|
	__le64			SystemRequestFrameBaseAddress;  /* 0x28 */
 | 
						|
	__le64			ReplyDescriptorPostQueueAddress;/* 0x30 */
 | 
						|
	__le64			ReplyFreeQueueAddress;          /* 0x38 */
 | 
						|
	__le64			TimeStamp;                      /* 0x40 */
 | 
						|
};
 | 
						|
 | 
						|
/* mrpriv defines */
 | 
						|
#define MR_PD_INVALID 0xFFFF
 | 
						|
#define MR_DEVHANDLE_INVALID 0xFFFF
 | 
						|
#define MAX_SPAN_DEPTH 8
 | 
						|
#define MAX_QUAD_DEPTH	MAX_SPAN_DEPTH
 | 
						|
#define MAX_RAIDMAP_SPAN_DEPTH (MAX_SPAN_DEPTH)
 | 
						|
#define MAX_ROW_SIZE 32
 | 
						|
#define MAX_RAIDMAP_ROW_SIZE (MAX_ROW_SIZE)
 | 
						|
#define MAX_LOGICAL_DRIVES 64
 | 
						|
#define MAX_LOGICAL_DRIVES_EXT 256
 | 
						|
#define MAX_LOGICAL_DRIVES_DYN 512
 | 
						|
#define MAX_RAIDMAP_LOGICAL_DRIVES (MAX_LOGICAL_DRIVES)
 | 
						|
#define MAX_RAIDMAP_VIEWS (MAX_LOGICAL_DRIVES)
 | 
						|
#define MAX_ARRAYS 128
 | 
						|
#define MAX_RAIDMAP_ARRAYS (MAX_ARRAYS)
 | 
						|
#define MAX_ARRAYS_EXT	256
 | 
						|
#define MAX_API_ARRAYS_EXT (MAX_ARRAYS_EXT)
 | 
						|
#define MAX_API_ARRAYS_DYN 512
 | 
						|
#define MAX_PHYSICAL_DEVICES 256
 | 
						|
#define MAX_RAIDMAP_PHYSICAL_DEVICES (MAX_PHYSICAL_DEVICES)
 | 
						|
#define MAX_RAIDMAP_PHYSICAL_DEVICES_DYN 512
 | 
						|
#define MR_DCMD_LD_MAP_GET_INFO             0x0300e101
 | 
						|
#define MR_DCMD_SYSTEM_PD_MAP_GET_INFO      0x0200e102
 | 
						|
#define MR_DCMD_DRV_GET_TARGET_PROP         0x0200e103
 | 
						|
#define MR_DCMD_CTRL_SHARED_HOST_MEM_ALLOC  0x010e8485   /* SR-IOV HB alloc*/
 | 
						|
#define MR_DCMD_LD_VF_MAP_GET_ALL_LDS_111   0x03200200
 | 
						|
#define MR_DCMD_LD_VF_MAP_GET_ALL_LDS       0x03150200
 | 
						|
 | 
						|
struct MR_DEV_HANDLE_INFO {
 | 
						|
	__le16	curDevHdl;
 | 
						|
	u8      validHandles;
 | 
						|
	u8      interfaceType;
 | 
						|
	__le16	devHandle[2];
 | 
						|
};
 | 
						|
 | 
						|
struct MR_ARRAY_INFO {
 | 
						|
	__le16	pd[MAX_RAIDMAP_ROW_SIZE];
 | 
						|
};
 | 
						|
 | 
						|
struct MR_QUAD_ELEMENT {
 | 
						|
	__le64     logStart;
 | 
						|
	__le64     logEnd;
 | 
						|
	__le64     offsetInSpan;
 | 
						|
	__le32     diff;
 | 
						|
	__le32     reserved1;
 | 
						|
};
 | 
						|
 | 
						|
struct MR_SPAN_INFO {
 | 
						|
	__le32             noElements;
 | 
						|
	__le32             reserved1;
 | 
						|
	struct MR_QUAD_ELEMENT quad[MAX_RAIDMAP_SPAN_DEPTH];
 | 
						|
};
 | 
						|
 | 
						|
struct MR_LD_SPAN {
 | 
						|
	__le64	 startBlk;
 | 
						|
	__le64	 numBlks;
 | 
						|
	__le16	 arrayRef;
 | 
						|
	u8       spanRowSize;
 | 
						|
	u8       spanRowDataSize;
 | 
						|
	u8       reserved[4];
 | 
						|
};
 | 
						|
 | 
						|
struct MR_SPAN_BLOCK_INFO {
 | 
						|
	__le64          num_rows;
 | 
						|
	struct MR_LD_SPAN   span;
 | 
						|
	struct MR_SPAN_INFO block_span_info;
 | 
						|
};
 | 
						|
 | 
						|
#define MR_RAID_CTX_CPUSEL_0		0
 | 
						|
#define MR_RAID_CTX_CPUSEL_1		1
 | 
						|
#define MR_RAID_CTX_CPUSEL_2		2
 | 
						|
#define MR_RAID_CTX_CPUSEL_3		3
 | 
						|
#define MR_RAID_CTX_CPUSEL_FCFS		0xF
 | 
						|
 | 
						|
struct MR_CPU_AFFINITY_MASK {
 | 
						|
	union {
 | 
						|
		struct {
 | 
						|
#ifndef MFI_BIG_ENDIAN
 | 
						|
		u8 hw_path:1;
 | 
						|
		u8 cpu0:1;
 | 
						|
		u8 cpu1:1;
 | 
						|
		u8 cpu2:1;
 | 
						|
		u8 cpu3:1;
 | 
						|
		u8 reserved:3;
 | 
						|
#else
 | 
						|
		u8 reserved:3;
 | 
						|
		u8 cpu3:1;
 | 
						|
		u8 cpu2:1;
 | 
						|
		u8 cpu1:1;
 | 
						|
		u8 cpu0:1;
 | 
						|
		u8 hw_path:1;
 | 
						|
#endif
 | 
						|
		};
 | 
						|
		u8 core_mask;
 | 
						|
	};
 | 
						|
};
 | 
						|
 | 
						|
struct MR_IO_AFFINITY {
 | 
						|
	union {
 | 
						|
		struct {
 | 
						|
			struct MR_CPU_AFFINITY_MASK pdRead;
 | 
						|
			struct MR_CPU_AFFINITY_MASK pdWrite;
 | 
						|
			struct MR_CPU_AFFINITY_MASK ldRead;
 | 
						|
			struct MR_CPU_AFFINITY_MASK ldWrite;
 | 
						|
			};
 | 
						|
		u32 word;
 | 
						|
		};
 | 
						|
	u8 maxCores;    /* Total cores + HW Path in ROC */
 | 
						|
	u8 reserved[3];
 | 
						|
};
 | 
						|
 | 
						|
struct MR_LD_RAID {
 | 
						|
	struct {
 | 
						|
#if   defined(__BIG_ENDIAN_BITFIELD)
 | 
						|
		u32 reserved4:2;
 | 
						|
		u32 fp_cache_bypass_capable:1;
 | 
						|
		u32 fp_rmw_capable:1;
 | 
						|
		u32 disable_coalescing:1;
 | 
						|
		u32     fpBypassRegionLock:1;
 | 
						|
		u32     tmCapable:1;
 | 
						|
		u32	fpNonRWCapable:1;
 | 
						|
		u32     fpReadAcrossStripe:1;
 | 
						|
		u32     fpWriteAcrossStripe:1;
 | 
						|
		u32     fpReadCapable:1;
 | 
						|
		u32     fpWriteCapable:1;
 | 
						|
		u32     encryptionType:8;
 | 
						|
		u32     pdPiMode:4;
 | 
						|
		u32     ldPiMode:4;
 | 
						|
		u32 reserved5:2;
 | 
						|
		u32 ra_capable:1;
 | 
						|
		u32     fpCapable:1;
 | 
						|
#else
 | 
						|
		u32     fpCapable:1;
 | 
						|
		u32 ra_capable:1;
 | 
						|
		u32 reserved5:2;
 | 
						|
		u32     ldPiMode:4;
 | 
						|
		u32     pdPiMode:4;
 | 
						|
		u32     encryptionType:8;
 | 
						|
		u32     fpWriteCapable:1;
 | 
						|
		u32     fpReadCapable:1;
 | 
						|
		u32     fpWriteAcrossStripe:1;
 | 
						|
		u32     fpReadAcrossStripe:1;
 | 
						|
		u32	fpNonRWCapable:1;
 | 
						|
		u32     tmCapable:1;
 | 
						|
		u32     fpBypassRegionLock:1;
 | 
						|
		u32 disable_coalescing:1;
 | 
						|
		u32 fp_rmw_capable:1;
 | 
						|
		u32 fp_cache_bypass_capable:1;
 | 
						|
		u32 reserved4:2;
 | 
						|
#endif
 | 
						|
	} capability;
 | 
						|
	__le32     reserved6;
 | 
						|
	__le64     size;
 | 
						|
	u8      spanDepth;
 | 
						|
	u8      level;
 | 
						|
	u8      stripeShift;
 | 
						|
	u8      rowSize;
 | 
						|
	u8      rowDataSize;
 | 
						|
	u8      writeMode;
 | 
						|
	u8      PRL;
 | 
						|
	u8      SRL;
 | 
						|
	__le16     targetId;
 | 
						|
	u8      ldState;
 | 
						|
	u8      regTypeReqOnWrite;
 | 
						|
	u8      modFactor;
 | 
						|
	u8	regTypeReqOnRead;
 | 
						|
	__le16     seqNum;
 | 
						|
 | 
						|
	struct {
 | 
						|
		u32 ldSyncRequired:1;
 | 
						|
		u32 reserved:31;
 | 
						|
	} flags;
 | 
						|
 | 
						|
	u8	LUN[8]; /* 0x24 8 byte LUN field used for SCSI IO's */
 | 
						|
	u8	fpIoTimeoutForLd;/*0x2C timeout value used by driver in FP IO*/
 | 
						|
	/* Ox2D This LD accept priority boost of this type */
 | 
						|
	u8 ld_accept_priority_type;
 | 
						|
	u8 reserved2[2];	        /* 0x2E - 0x2F */
 | 
						|
	/* 0x30 - 0x33, Logical block size for the LD */
 | 
						|
	u32 logical_block_length;
 | 
						|
	struct {
 | 
						|
#ifndef MFI_BIG_ENDIAN
 | 
						|
	/* 0x34, P_I_EXPONENT from READ CAPACITY 16 */
 | 
						|
	u32 ld_pi_exp:4;
 | 
						|
	/* 0x34, LOGICAL BLOCKS PER PHYSICAL
 | 
						|
	 *  BLOCK EXPONENT from READ CAPACITY 16
 | 
						|
	 */
 | 
						|
	u32 ld_logical_block_exp:4;
 | 
						|
	u32 reserved1:24;           /* 0x34 */
 | 
						|
#else
 | 
						|
	u32 reserved1:24;           /* 0x34 */
 | 
						|
	/* 0x34, LOGICAL BLOCKS PER PHYSICAL
 | 
						|
	 *  BLOCK EXPONENT from READ CAPACITY 16
 | 
						|
	 */
 | 
						|
	u32 ld_logical_block_exp:4;
 | 
						|
	/* 0x34, P_I_EXPONENT from READ CAPACITY 16 */
 | 
						|
	u32 ld_pi_exp:4;
 | 
						|
#endif
 | 
						|
	};                               /* 0x34 - 0x37 */
 | 
						|
	 /* 0x38 - 0x3f, This will determine which
 | 
						|
	  *  core will process LD IO and PD IO.
 | 
						|
	  */
 | 
						|
	struct MR_IO_AFFINITY cpuAffinity;
 | 
						|
     /* Bit definiations are specified by MR_IO_AFFINITY */
 | 
						|
	u8 reserved3[0x80 - 0x40];    /* 0x40 - 0x7f */
 | 
						|
};
 | 
						|
 | 
						|
struct MR_LD_SPAN_MAP {
 | 
						|
	struct MR_LD_RAID          ldRaid;
 | 
						|
	u8                  dataArmMap[MAX_RAIDMAP_ROW_SIZE];
 | 
						|
	struct MR_SPAN_BLOCK_INFO  spanBlock[MAX_RAIDMAP_SPAN_DEPTH];
 | 
						|
};
 | 
						|
 | 
						|
struct MR_FW_RAID_MAP {
 | 
						|
	__le32                 totalSize;
 | 
						|
	union {
 | 
						|
		struct {
 | 
						|
			__le32         maxLd;
 | 
						|
			__le32         maxSpanDepth;
 | 
						|
			__le32         maxRowSize;
 | 
						|
			__le32         maxPdCount;
 | 
						|
			__le32         maxArrays;
 | 
						|
		} validationInfo;
 | 
						|
		__le32             version[5];
 | 
						|
	};
 | 
						|
 | 
						|
	__le32                 ldCount;
 | 
						|
	__le32                 Reserved1;
 | 
						|
	u8                  ldTgtIdToLd[MAX_RAIDMAP_LOGICAL_DRIVES+
 | 
						|
					MAX_RAIDMAP_VIEWS];
 | 
						|
	u8                  fpPdIoTimeoutSec;
 | 
						|
	u8                  reserved2[7];
 | 
						|
	struct MR_ARRAY_INFO       arMapInfo[MAX_RAIDMAP_ARRAYS];
 | 
						|
	struct MR_DEV_HANDLE_INFO  devHndlInfo[MAX_RAIDMAP_PHYSICAL_DEVICES];
 | 
						|
	struct MR_LD_SPAN_MAP      ldSpanMap[1];
 | 
						|
};
 | 
						|
 | 
						|
struct IO_REQUEST_INFO {
 | 
						|
	u64 ldStartBlock;
 | 
						|
	u32 numBlocks;
 | 
						|
	u16 ldTgtId;
 | 
						|
	u8 isRead;
 | 
						|
	__le16 devHandle;
 | 
						|
	u8 pd_interface;
 | 
						|
	u64 pdBlock;
 | 
						|
	u8 fpOkForIo;
 | 
						|
	u8 IoforUnevenSpan;
 | 
						|
	u8 start_span;
 | 
						|
	u8 do_fp_rlbypass;
 | 
						|
	u64 start_row;
 | 
						|
	u8  span_arm;	/* span[7:5], arm[4:0] */
 | 
						|
	u8  pd_after_lb;
 | 
						|
	u16 r1_alt_dev_handle; /* raid 1/10 only */
 | 
						|
	bool ra_capable;
 | 
						|
};
 | 
						|
 | 
						|
struct MR_LD_TARGET_SYNC {
 | 
						|
	u8  targetId;
 | 
						|
	u8  reserved;
 | 
						|
	__le16 seqNum;
 | 
						|
};
 | 
						|
 | 
						|
/*
 | 
						|
 * RAID Map descriptor Types.
 | 
						|
 * Each element should uniquely idetify one data structure in the RAID map
 | 
						|
 */
 | 
						|
enum MR_RAID_MAP_DESC_TYPE {
 | 
						|
	/* MR_DEV_HANDLE_INFO data */
 | 
						|
	RAID_MAP_DESC_TYPE_DEVHDL_INFO    = 0x0,
 | 
						|
	/* target to Ld num Index map */
 | 
						|
	RAID_MAP_DESC_TYPE_TGTID_INFO     = 0x1,
 | 
						|
	/* MR_ARRAY_INFO data */
 | 
						|
	RAID_MAP_DESC_TYPE_ARRAY_INFO     = 0x2,
 | 
						|
	/* MR_LD_SPAN_MAP data */
 | 
						|
	RAID_MAP_DESC_TYPE_SPAN_INFO      = 0x3,
 | 
						|
	RAID_MAP_DESC_TYPE_COUNT,
 | 
						|
};
 | 
						|
 | 
						|
/*
 | 
						|
 * This table defines the offset, size and num elements  of each descriptor
 | 
						|
 * type in the RAID Map buffer
 | 
						|
 */
 | 
						|
struct MR_RAID_MAP_DESC_TABLE {
 | 
						|
	/* Raid map descriptor type */
 | 
						|
	u32 raid_map_desc_type;
 | 
						|
	/* Offset into the RAID map buffer where
 | 
						|
	 *  descriptor data is saved
 | 
						|
	 */
 | 
						|
	u32 raid_map_desc_offset;
 | 
						|
	/* total size of the
 | 
						|
	 * descriptor buffer
 | 
						|
	 */
 | 
						|
	u32 raid_map_desc_buffer_size;
 | 
						|
	/* Number of elements contained in the
 | 
						|
	 *  descriptor buffer
 | 
						|
	 */
 | 
						|
	u32 raid_map_desc_elements;
 | 
						|
};
 | 
						|
 | 
						|
/*
 | 
						|
 * Dynamic Raid Map Structure.
 | 
						|
 */
 | 
						|
struct MR_FW_RAID_MAP_DYNAMIC {
 | 
						|
	u32 raid_map_size;   /* total size of RAID Map structure */
 | 
						|
	u32 desc_table_offset;/* Offset of desc table into RAID map*/
 | 
						|
	u32 desc_table_size;  /* Total Size of desc table */
 | 
						|
	/* Total Number of elements in the desc table */
 | 
						|
	u32 desc_table_num_elements;
 | 
						|
	u64	reserved1;
 | 
						|
	u32	reserved2[3];	/*future use */
 | 
						|
	/* timeout value used by driver in FP IOs */
 | 
						|
	u8 fp_pd_io_timeout_sec;
 | 
						|
	u8 reserved3[3];
 | 
						|
	/* when this seqNum increments, driver needs to
 | 
						|
	 *  release RMW buffers asap
 | 
						|
	 */
 | 
						|
	u32 rmw_fp_seq_num;
 | 
						|
	u16 ld_count;	/* count of lds. */
 | 
						|
	u16 ar_count;   /* count of arrays */
 | 
						|
	u16 span_count; /* count of spans */
 | 
						|
	u16 reserved4[3];
 | 
						|
/*
 | 
						|
 * The below structure of pointers is only to be used by the driver.
 | 
						|
 * This is added in the ,API to reduce the amount of code changes
 | 
						|
 * needed in the driver to support dynamic RAID map Firmware should
 | 
						|
 * not update these pointers while preparing the raid map
 | 
						|
 */
 | 
						|
	union {
 | 
						|
		struct {
 | 
						|
			struct MR_DEV_HANDLE_INFO  *dev_hndl_info;
 | 
						|
			u16 *ld_tgt_id_to_ld;
 | 
						|
			struct MR_ARRAY_INFO *ar_map_info;
 | 
						|
			struct MR_LD_SPAN_MAP *ld_span_map;
 | 
						|
			};
 | 
						|
		u64 ptr_structure_size[RAID_MAP_DESC_TYPE_COUNT];
 | 
						|
		};
 | 
						|
/*
 | 
						|
 * RAID Map descriptor table defines the layout of data in the RAID Map.
 | 
						|
 * The size of the descriptor table itself could change.
 | 
						|
 */
 | 
						|
	/* Variable Size descriptor Table. */
 | 
						|
	struct MR_RAID_MAP_DESC_TABLE
 | 
						|
			raid_map_desc_table[RAID_MAP_DESC_TYPE_COUNT];
 | 
						|
	/* Variable Size buffer containing all data */
 | 
						|
	u32 raid_map_desc_data[1];
 | 
						|
}; /* Dynamicaly sized RAID MAp structure */
 | 
						|
 | 
						|
#define IEEE_SGE_FLAGS_ADDR_MASK            (0x03)
 | 
						|
#define IEEE_SGE_FLAGS_SYSTEM_ADDR          (0x00)
 | 
						|
#define IEEE_SGE_FLAGS_IOCDDR_ADDR          (0x01)
 | 
						|
#define IEEE_SGE_FLAGS_IOCPLB_ADDR          (0x02)
 | 
						|
#define IEEE_SGE_FLAGS_IOCPLBNTA_ADDR       (0x03)
 | 
						|
#define IEEE_SGE_FLAGS_CHAIN_ELEMENT        (0x80)
 | 
						|
#define IEEE_SGE_FLAGS_END_OF_LIST          (0x40)
 | 
						|
 | 
						|
#define MPI2_SGE_FLAGS_SHIFT                (0x02)
 | 
						|
#define IEEE_SGE_FLAGS_FORMAT_MASK          (0xC0)
 | 
						|
#define IEEE_SGE_FLAGS_FORMAT_IEEE          (0x00)
 | 
						|
#define IEEE_SGE_FLAGS_FORMAT_NVME          (0x02)
 | 
						|
 | 
						|
#define MPI26_IEEE_SGE_FLAGS_NSF_MASK           (0x1C)
 | 
						|
#define MPI26_IEEE_SGE_FLAGS_NSF_MPI_IEEE       (0x00)
 | 
						|
#define MPI26_IEEE_SGE_FLAGS_NSF_NVME_PRP       (0x08)
 | 
						|
#define MPI26_IEEE_SGE_FLAGS_NSF_NVME_SGL       (0x10)
 | 
						|
 | 
						|
struct megasas_register_set;
 | 
						|
struct megasas_instance;
 | 
						|
 | 
						|
union desc_word {
 | 
						|
	u64 word;
 | 
						|
	struct {
 | 
						|
		u32 low;
 | 
						|
		u32 high;
 | 
						|
	} u;
 | 
						|
};
 | 
						|
 | 
						|
struct megasas_cmd_fusion {
 | 
						|
	struct MPI2_RAID_SCSI_IO_REQUEST	*io_request;
 | 
						|
	dma_addr_t			io_request_phys_addr;
 | 
						|
 | 
						|
	union MPI2_SGE_IO_UNION	*sg_frame;
 | 
						|
	dma_addr_t		sg_frame_phys_addr;
 | 
						|
 | 
						|
	u8 *sense;
 | 
						|
	dma_addr_t sense_phys_addr;
 | 
						|
 | 
						|
	struct list_head list;
 | 
						|
	struct scsi_cmnd *scmd;
 | 
						|
	struct megasas_instance *instance;
 | 
						|
 | 
						|
	u8 retry_for_fw_reset;
 | 
						|
	union MEGASAS_REQUEST_DESCRIPTOR_UNION  *request_desc;
 | 
						|
 | 
						|
	/*
 | 
						|
	 * Context for a MFI frame.
 | 
						|
	 * Used to get the mfi cmd from list when a MFI cmd is completed
 | 
						|
	 */
 | 
						|
	u32 sync_cmd_idx;
 | 
						|
	u32 index;
 | 
						|
	u8 pd_r1_lb;
 | 
						|
	struct completion done;
 | 
						|
	u8 pd_interface;
 | 
						|
	u16 r1_alt_dev_handle; /* raid 1/10 only*/
 | 
						|
	bool cmd_completed;  /* raid 1/10 fp writes status holder */
 | 
						|
 | 
						|
};
 | 
						|
 | 
						|
struct LD_LOAD_BALANCE_INFO {
 | 
						|
	u8	loadBalanceFlag;
 | 
						|
	u8	reserved1;
 | 
						|
	atomic_t     scsi_pending_cmds[MAX_PHYSICAL_DEVICES];
 | 
						|
	u64     last_accessed_block[MAX_PHYSICAL_DEVICES];
 | 
						|
};
 | 
						|
 | 
						|
/* SPAN_SET is info caclulated from span info from Raid map per LD */
 | 
						|
typedef struct _LD_SPAN_SET {
 | 
						|
	u64  log_start_lba;
 | 
						|
	u64  log_end_lba;
 | 
						|
	u64  span_row_start;
 | 
						|
	u64  span_row_end;
 | 
						|
	u64  data_strip_start;
 | 
						|
	u64  data_strip_end;
 | 
						|
	u64  data_row_start;
 | 
						|
	u64  data_row_end;
 | 
						|
	u8   strip_offset[MAX_SPAN_DEPTH];
 | 
						|
	u32    span_row_data_width;
 | 
						|
	u32    diff;
 | 
						|
	u32    reserved[2];
 | 
						|
} LD_SPAN_SET, *PLD_SPAN_SET;
 | 
						|
 | 
						|
typedef struct LOG_BLOCK_SPAN_INFO {
 | 
						|
	LD_SPAN_SET  span_set[MAX_SPAN_DEPTH];
 | 
						|
} LD_SPAN_INFO, *PLD_SPAN_INFO;
 | 
						|
 | 
						|
struct MR_FW_RAID_MAP_ALL {
 | 
						|
	struct MR_FW_RAID_MAP raidMap;
 | 
						|
	struct MR_LD_SPAN_MAP ldSpanMap[MAX_LOGICAL_DRIVES - 1];
 | 
						|
} __attribute__ ((packed));
 | 
						|
 | 
						|
struct MR_DRV_RAID_MAP {
 | 
						|
	/* total size of this structure, including this field.
 | 
						|
	 * This feild will be manupulated by driver for ext raid map,
 | 
						|
	 * else pick the value from firmware raid map.
 | 
						|
	 */
 | 
						|
	__le32                 totalSize;
 | 
						|
 | 
						|
	union {
 | 
						|
	struct {
 | 
						|
		__le32         maxLd;
 | 
						|
		__le32         maxSpanDepth;
 | 
						|
		__le32         maxRowSize;
 | 
						|
		__le32         maxPdCount;
 | 
						|
		__le32         maxArrays;
 | 
						|
	} validationInfo;
 | 
						|
	__le32             version[5];
 | 
						|
	};
 | 
						|
 | 
						|
	/* timeout value used by driver in FP IOs*/
 | 
						|
	u8                  fpPdIoTimeoutSec;
 | 
						|
	u8                  reserved2[7];
 | 
						|
 | 
						|
	__le16                 ldCount;
 | 
						|
	__le16                 arCount;
 | 
						|
	__le16                 spanCount;
 | 
						|
	__le16                 reserve3;
 | 
						|
 | 
						|
	struct MR_DEV_HANDLE_INFO
 | 
						|
		devHndlInfo[MAX_RAIDMAP_PHYSICAL_DEVICES_DYN];
 | 
						|
	u16 ldTgtIdToLd[MAX_LOGICAL_DRIVES_DYN];
 | 
						|
	struct MR_ARRAY_INFO arMapInfo[MAX_API_ARRAYS_DYN];
 | 
						|
	struct MR_LD_SPAN_MAP      ldSpanMap[1];
 | 
						|
 | 
						|
};
 | 
						|
 | 
						|
/* Driver raid map size is same as raid map ext
 | 
						|
 * MR_DRV_RAID_MAP_ALL is created to sync with old raid.
 | 
						|
 * And it is mainly for code re-use purpose.
 | 
						|
 */
 | 
						|
struct MR_DRV_RAID_MAP_ALL {
 | 
						|
 | 
						|
	struct MR_DRV_RAID_MAP raidMap;
 | 
						|
	struct MR_LD_SPAN_MAP ldSpanMap[MAX_LOGICAL_DRIVES_DYN - 1];
 | 
						|
} __packed;
 | 
						|
 | 
						|
 | 
						|
 | 
						|
struct MR_FW_RAID_MAP_EXT {
 | 
						|
	/* Not usred in new map */
 | 
						|
	u32                 reserved;
 | 
						|
 | 
						|
	union {
 | 
						|
	struct {
 | 
						|
		u32         maxLd;
 | 
						|
		u32         maxSpanDepth;
 | 
						|
		u32         maxRowSize;
 | 
						|
		u32         maxPdCount;
 | 
						|
		u32         maxArrays;
 | 
						|
	} validationInfo;
 | 
						|
	u32             version[5];
 | 
						|
	};
 | 
						|
 | 
						|
	u8                  fpPdIoTimeoutSec;
 | 
						|
	u8                  reserved2[7];
 | 
						|
 | 
						|
	__le16                 ldCount;
 | 
						|
	__le16                 arCount;
 | 
						|
	__le16                 spanCount;
 | 
						|
	__le16                 reserve3;
 | 
						|
 | 
						|
	struct MR_DEV_HANDLE_INFO  devHndlInfo[MAX_RAIDMAP_PHYSICAL_DEVICES];
 | 
						|
	u8                  ldTgtIdToLd[MAX_LOGICAL_DRIVES_EXT];
 | 
						|
	struct MR_ARRAY_INFO       arMapInfo[MAX_API_ARRAYS_EXT];
 | 
						|
	struct MR_LD_SPAN_MAP      ldSpanMap[MAX_LOGICAL_DRIVES_EXT];
 | 
						|
};
 | 
						|
 | 
						|
/*
 | 
						|
 *  * define MR_PD_CFG_SEQ structure for system PDs
 | 
						|
 *   */
 | 
						|
struct MR_PD_CFG_SEQ {
 | 
						|
	u16 seqNum;
 | 
						|
	u16 devHandle;
 | 
						|
	struct {
 | 
						|
#if   defined(__BIG_ENDIAN_BITFIELD)
 | 
						|
		u8     reserved:7;
 | 
						|
		u8     tmCapable:1;
 | 
						|
#else
 | 
						|
		u8     tmCapable:1;
 | 
						|
		u8     reserved:7;
 | 
						|
#endif
 | 
						|
	} capability;
 | 
						|
	u8  reserved;
 | 
						|
	u16 pd_target_id;
 | 
						|
} __packed;
 | 
						|
 | 
						|
struct MR_PD_CFG_SEQ_NUM_SYNC {
 | 
						|
	__le32 size;
 | 
						|
	__le32 count;
 | 
						|
	struct MR_PD_CFG_SEQ seq[1];
 | 
						|
} __packed;
 | 
						|
 | 
						|
/* stream detection */
 | 
						|
struct STREAM_DETECT {
 | 
						|
	u64 next_seq_lba; /* next LBA to match sequential access */
 | 
						|
	struct megasas_cmd_fusion *first_cmd_fusion; /* first cmd in group */
 | 
						|
	struct megasas_cmd_fusion *last_cmd_fusion; /* last cmd in group */
 | 
						|
	u32 count_cmds_in_stream; /* count of host commands in this stream */
 | 
						|
	u16 num_sges_in_group; /* total number of SGEs in grouped IOs */
 | 
						|
	u8 is_read; /* SCSI OpCode for this stream */
 | 
						|
	u8 group_depth; /* total number of host commands in group */
 | 
						|
	/* TRUE if cannot add any more commands to this group */
 | 
						|
	bool group_flush;
 | 
						|
	u8 reserved[7]; /* pad to 64-bit alignment */
 | 
						|
};
 | 
						|
 | 
						|
struct LD_STREAM_DETECT {
 | 
						|
	bool write_back; /* TRUE if WB, FALSE if WT */
 | 
						|
	bool fp_write_enabled;
 | 
						|
	bool members_ssds;
 | 
						|
	bool fp_cache_bypass_capable;
 | 
						|
	u32 mru_bit_map; /* bitmap used to track MRU and LRU stream indicies */
 | 
						|
	/* this is the array of stream detect structures (one per stream) */
 | 
						|
	struct STREAM_DETECT stream_track[MAX_STREAMS_TRACKED];
 | 
						|
};
 | 
						|
 | 
						|
struct MPI2_IOC_INIT_RDPQ_ARRAY_ENTRY {
 | 
						|
	u64 RDPQBaseAddress;
 | 
						|
	u32 Reserved1;
 | 
						|
	u32 Reserved2;
 | 
						|
};
 | 
						|
 | 
						|
struct rdpq_alloc_detail {
 | 
						|
	struct dma_pool *dma_pool_ptr;
 | 
						|
	dma_addr_t	pool_entry_phys;
 | 
						|
	union MPI2_REPLY_DESCRIPTORS_UNION *pool_entry_virt;
 | 
						|
};
 | 
						|
 | 
						|
struct fusion_context {
 | 
						|
	struct megasas_cmd_fusion **cmd_list;
 | 
						|
	dma_addr_t req_frames_desc_phys;
 | 
						|
	u8 *req_frames_desc;
 | 
						|
 | 
						|
	struct dma_pool *io_request_frames_pool;
 | 
						|
	dma_addr_t io_request_frames_phys;
 | 
						|
	u8 *io_request_frames;
 | 
						|
 | 
						|
	struct dma_pool *sg_dma_pool;
 | 
						|
	struct dma_pool *sense_dma_pool;
 | 
						|
 | 
						|
	u8 *sense;
 | 
						|
	dma_addr_t sense_phys_addr;
 | 
						|
 | 
						|
	dma_addr_t reply_frames_desc_phys[MAX_MSIX_QUEUES_FUSION];
 | 
						|
	union MPI2_REPLY_DESCRIPTORS_UNION *reply_frames_desc[MAX_MSIX_QUEUES_FUSION];
 | 
						|
	struct rdpq_alloc_detail rdpq_tracker[RDPQ_MAX_CHUNK_COUNT];
 | 
						|
	struct dma_pool *reply_frames_desc_pool;
 | 
						|
	struct dma_pool *reply_frames_desc_pool_align;
 | 
						|
 | 
						|
	u16 last_reply_idx[MAX_MSIX_QUEUES_FUSION];
 | 
						|
 | 
						|
	u32 reply_q_depth;
 | 
						|
	u32 request_alloc_sz;
 | 
						|
	u32 reply_alloc_sz;
 | 
						|
	u32 io_frames_alloc_sz;
 | 
						|
 | 
						|
	struct MPI2_IOC_INIT_RDPQ_ARRAY_ENTRY *rdpq_virt;
 | 
						|
	dma_addr_t rdpq_phys;
 | 
						|
	u16	max_sge_in_main_msg;
 | 
						|
	u16	max_sge_in_chain;
 | 
						|
 | 
						|
	u8	chain_offset_io_request;
 | 
						|
	u8	chain_offset_mfi_pthru;
 | 
						|
 | 
						|
	struct MR_FW_RAID_MAP_DYNAMIC *ld_map[2];
 | 
						|
	dma_addr_t ld_map_phys[2];
 | 
						|
 | 
						|
	/*Non dma-able memory. Driver local copy.*/
 | 
						|
	struct MR_DRV_RAID_MAP_ALL *ld_drv_map[2];
 | 
						|
 | 
						|
	u32 max_map_sz;
 | 
						|
	u32 current_map_sz;
 | 
						|
	u32 old_map_sz;
 | 
						|
	u32 new_map_sz;
 | 
						|
	u32 drv_map_sz;
 | 
						|
	u32 drv_map_pages;
 | 
						|
	struct MR_PD_CFG_SEQ_NUM_SYNC	*pd_seq_sync[JBOD_MAPS_COUNT];
 | 
						|
	dma_addr_t pd_seq_phys[JBOD_MAPS_COUNT];
 | 
						|
	u8 fast_path_io;
 | 
						|
	struct LD_LOAD_BALANCE_INFO *load_balance_info;
 | 
						|
	u32 load_balance_info_pages;
 | 
						|
	LD_SPAN_INFO *log_to_span;
 | 
						|
	u32 log_to_span_pages;
 | 
						|
	struct LD_STREAM_DETECT **stream_detect_by_ld;
 | 
						|
	dma_addr_t ioc_init_request_phys;
 | 
						|
	struct MPI2_IOC_INIT_REQUEST *ioc_init_request;
 | 
						|
	struct megasas_cmd *ioc_init_cmd;
 | 
						|
 | 
						|
};
 | 
						|
 | 
						|
union desc_value {
 | 
						|
	__le64 word;
 | 
						|
	struct {
 | 
						|
		__le32 low;
 | 
						|
		__le32 high;
 | 
						|
	} u;
 | 
						|
};
 | 
						|
 | 
						|
enum CMD_RET_VALUES {
 | 
						|
	REFIRE_CMD = 1,
 | 
						|
	COMPLETE_CMD = 2,
 | 
						|
	RETURN_CMD = 3,
 | 
						|
};
 | 
						|
 | 
						|
void megasas_free_cmds_fusion(struct megasas_instance *instance);
 | 
						|
int megasas_ioc_init_fusion(struct megasas_instance *instance);
 | 
						|
u8 megasas_get_map_info(struct megasas_instance *instance);
 | 
						|
int megasas_sync_map_info(struct megasas_instance *instance);
 | 
						|
void megasas_release_fusion(struct megasas_instance *instance);
 | 
						|
void megasas_reset_reply_desc(struct megasas_instance *instance);
 | 
						|
int megasas_check_mpio_paths(struct megasas_instance *instance,
 | 
						|
			      struct scsi_cmnd *scmd);
 | 
						|
void megasas_fusion_ocr_wq(struct work_struct *work);
 | 
						|
 | 
						|
#endif /* _MEGARAID_SAS_FUSION_H_ */
 |