 67955ba36e
			
		
	
	
	67955ba36e
	
	
	
		
			
			Make return value an int instead of an unsigned char so that we do not lose negative error return values. Signed-off-by: Stephen M. Cameron <scameron@beardog.cce.hp.com> Reviewed-by: Webb Scales <webb.scales@hp.com> Reported-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
		
			
				
	
	
		
			640 lines
		
	
	
	
		
			19 KiB
			
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			640 lines
		
	
	
	
		
			19 KiB
			
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
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|  *    Disk Array driver for HP Smart Array SAS controllers
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|  *    Copyright 2000, 2014 Hewlett-Packard Development Company, L.P.
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|  *
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|  *    This program is free software; you can redistribute it and/or modify
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|  *    it under the terms of the GNU General Public License as published by
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|  *    the Free Software Foundation; version 2 of the License.
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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, GOOD TITLE or
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|  *    NON INFRINGEMENT.  See the 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, write to the Free Software
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|  *    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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|  *
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|  *    Questions/Comments/Bugfixes to iss_storagedev@hp.com
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|  *
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|  */
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| #ifndef HPSA_CMD_H
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| #define HPSA_CMD_H
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| 
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| /* general boundary defintions */
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| #define SENSEINFOBYTES          32 /* may vary between hbas */
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| #define SG_ENTRIES_IN_CMD	32 /* Max SG entries excluding chain blocks */
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| #define HPSA_SG_CHAIN		0x80000000
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| #define HPSA_SG_LAST		0x40000000
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| #define MAXREPLYQS              256
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| 
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| /* Command Status value */
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| #define CMD_SUCCESS             0x0000
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| #define CMD_TARGET_STATUS       0x0001
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| #define CMD_DATA_UNDERRUN       0x0002
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| #define CMD_DATA_OVERRUN        0x0003
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| #define CMD_INVALID             0x0004
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| #define CMD_PROTOCOL_ERR        0x0005
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| #define CMD_HARDWARE_ERR        0x0006
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| #define CMD_CONNECTION_LOST     0x0007
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| #define CMD_ABORTED             0x0008
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| #define CMD_ABORT_FAILED        0x0009
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| #define CMD_UNSOLICITED_ABORT   0x000A
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| #define CMD_TIMEOUT             0x000B
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| #define CMD_UNABORTABLE		0x000C
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| #define CMD_IOACCEL_DISABLED	0x000E
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| 
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| 
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| /* Unit Attentions ASC's as defined for the MSA2012sa */
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| #define POWER_OR_RESET			0x29
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| #define STATE_CHANGED			0x2a
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| #define UNIT_ATTENTION_CLEARED		0x2f
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| #define LUN_FAILED			0x3e
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| #define REPORT_LUNS_CHANGED		0x3f
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| 
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| /* Unit Attentions ASCQ's as defined for the MSA2012sa */
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| 
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| 	/* These ASCQ's defined for ASC = POWER_OR_RESET */
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| #define POWER_ON_RESET			0x00
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| #define POWER_ON_REBOOT			0x01
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| #define SCSI_BUS_RESET			0x02
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| #define MSA_TARGET_RESET		0x03
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| #define CONTROLLER_FAILOVER		0x04
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| #define TRANSCEIVER_SE			0x05
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| #define TRANSCEIVER_LVD			0x06
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| 
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| 	/* These ASCQ's defined for ASC = STATE_CHANGED */
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| #define RESERVATION_PREEMPTED		0x03
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| #define ASYM_ACCESS_CHANGED		0x06
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| #define LUN_CAPACITY_CHANGED		0x09
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| 
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| /* transfer direction */
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| #define XFER_NONE               0x00
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| #define XFER_WRITE              0x01
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| #define XFER_READ               0x02
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| #define XFER_RSVD               0x03
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| 
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| /* task attribute */
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| #define ATTR_UNTAGGED           0x00
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| #define ATTR_SIMPLE             0x04
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| #define ATTR_HEADOFQUEUE        0x05
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| #define ATTR_ORDERED            0x06
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| #define ATTR_ACA                0x07
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| 
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| /* cdb type */
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| #define TYPE_CMD		0x00
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| #define TYPE_MSG		0x01
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| #define TYPE_IOACCEL2_CMD	0x81 /* 0x81 is not used by hardware */
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| 
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| /* Message Types  */
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| #define HPSA_TASK_MANAGEMENT    0x00
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| #define HPSA_RESET              0x01
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| #define HPSA_SCAN               0x02
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| #define HPSA_NOOP               0x03
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| 
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| #define HPSA_CTLR_RESET_TYPE    0x00
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| #define HPSA_BUS_RESET_TYPE     0x01
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| #define HPSA_TARGET_RESET_TYPE  0x03
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| #define HPSA_LUN_RESET_TYPE     0x04
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| #define HPSA_NEXUS_RESET_TYPE   0x05
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| 
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| /* Task Management Functions */
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| #define HPSA_TMF_ABORT_TASK     0x00
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| #define HPSA_TMF_ABORT_TASK_SET 0x01
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| #define HPSA_TMF_CLEAR_ACA      0x02
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| #define HPSA_TMF_CLEAR_TASK_SET 0x03
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| #define HPSA_TMF_QUERY_TASK     0x04
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| #define HPSA_TMF_QUERY_TASK_SET 0x05
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| #define HPSA_TMF_QUERY_ASYNCEVENT 0x06
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| 
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| 
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| 
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| /* config space register offsets */
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| #define CFG_VENDORID            0x00
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| #define CFG_DEVICEID            0x02
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| #define CFG_I2OBAR              0x10
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| #define CFG_MEM1BAR             0x14
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| 
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| /* i2o space register offsets */
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| #define I2O_IBDB_SET            0x20
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| #define I2O_IBDB_CLEAR          0x70
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| #define I2O_INT_STATUS          0x30
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| #define I2O_INT_MASK            0x34
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| #define I2O_IBPOST_Q            0x40
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| #define I2O_OBPOST_Q            0x44
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| #define I2O_DMA1_CFG		0x214
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| 
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| /* Configuration Table */
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| #define CFGTBL_ChangeReq        0x00000001l
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| #define CFGTBL_AccCmds          0x00000001l
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| #define DOORBELL_CTLR_RESET	0x00000004l
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| #define DOORBELL_CTLR_RESET2	0x00000020l
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| #define DOORBELL_CLEAR_EVENTS	0x00000040l
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| 
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| #define CFGTBL_Trans_Simple     0x00000002l
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| #define CFGTBL_Trans_Performant 0x00000004l
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| #define CFGTBL_Trans_io_accel1	0x00000080l
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| #define CFGTBL_Trans_io_accel2	0x00000100l
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| #define CFGTBL_Trans_use_short_tags 0x20000000l
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| #define CFGTBL_Trans_enable_directed_msix (1 << 30)
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| 
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| #define CFGTBL_BusType_Ultra2   0x00000001l
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| #define CFGTBL_BusType_Ultra3   0x00000002l
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| #define CFGTBL_BusType_Fibre1G  0x00000100l
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| #define CFGTBL_BusType_Fibre2G  0x00000200l
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| 
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| /* VPD Inquiry types */
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| #define HPSA_VPD_SUPPORTED_PAGES        0x00
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| #define HPSA_VPD_LV_DEVICE_GEOMETRY     0xC1
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| #define HPSA_VPD_LV_IOACCEL_STATUS      0xC2
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| #define HPSA_VPD_LV_STATUS		0xC3
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| #define HPSA_VPD_HEADER_SZ              4
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| 
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| /* Logical volume states */
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| #define HPSA_VPD_LV_STATUS_UNSUPPORTED			0xff
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| #define HPSA_LV_OK                                      0x0
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| #define HPSA_LV_UNDERGOING_ERASE			0x0F
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| #define HPSA_LV_UNDERGOING_RPI				0x12
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| #define HPSA_LV_PENDING_RPI				0x13
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| #define HPSA_LV_ENCRYPTED_NO_KEY			0x14
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| #define HPSA_LV_PLAINTEXT_IN_ENCRYPT_ONLY_CONTROLLER	0x15
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| #define HPSA_LV_UNDERGOING_ENCRYPTION			0x16
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| #define HPSA_LV_UNDERGOING_ENCRYPTION_REKEYING		0x17
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| #define HPSA_LV_ENCRYPTED_IN_NON_ENCRYPTED_CONTROLLER	0x18
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| #define HPSA_LV_PENDING_ENCRYPTION			0x19
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| #define HPSA_LV_PENDING_ENCRYPTION_REKEYING		0x1A
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| 
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| struct vals32 {
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| 	u32   lower;
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| 	u32   upper;
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| };
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| 
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| union u64bit {
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| 	struct vals32 val32;
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| 	u64 val;
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| };
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| 
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| /* FIXME this is a per controller value (barf!) */
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| #define HPSA_MAX_LUN 1024
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| #define HPSA_MAX_PHYS_LUN 1024
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| #define MAX_EXT_TARGETS 32
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| #define HPSA_MAX_DEVICES (HPSA_MAX_PHYS_LUN + HPSA_MAX_LUN + \
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| 	MAX_EXT_TARGETS + 1) /* + 1 is for the controller itself */
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| 
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| /* SCSI-3 Commands */
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| #pragma pack(1)
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| 
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| #define HPSA_INQUIRY 0x12
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| struct InquiryData {
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| 	u8 data_byte[36];
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| };
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| 
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| #define HPSA_REPORT_LOG 0xc2    /* Report Logical LUNs */
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| #define HPSA_REPORT_PHYS 0xc3   /* Report Physical LUNs */
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| #define HPSA_REPORT_PHYS_EXTENDED 0x02
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| #define HPSA_CISS_READ	0xc0	/* CISS Read */
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| #define HPSA_GET_RAID_MAP 0xc8	/* CISS Get RAID Layout Map */
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| 
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| #define RAID_MAP_MAX_ENTRIES   256
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| 
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| struct raid_map_disk_data {
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| 	u32   ioaccel_handle;         /**< Handle to access this disk via the
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| 					*  I/O accelerator */
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| 	u8    xor_mult[2];            /**< XOR multipliers for this position,
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| 					*  valid for data disks only */
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| 	u8    reserved[2];
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| };
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| 
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| struct raid_map_data {
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| 	u32   structure_size;		/* Size of entire structure in bytes */
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| 	u32   volume_blk_size;		/* bytes / block in the volume */
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| 	u64   volume_blk_cnt;		/* logical blocks on the volume */
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| 	u8    phys_blk_shift;		/* Shift factor to convert between
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| 					 * units of logical blocks and physical
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| 					 * disk blocks */
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| 	u8    parity_rotation_shift;	/* Shift factor to convert between units
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| 					 * of logical stripes and physical
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| 					 * stripes */
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| 	u16   strip_size;		/* blocks used on each disk / stripe */
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| 	u64   disk_starting_blk;	/* First disk block used in volume */
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| 	u64   disk_blk_cnt;		/* disk blocks used by volume / disk */
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| 	u16   data_disks_per_row;	/* data disk entries / row in the map */
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| 	u16   metadata_disks_per_row;	/* mirror/parity disk entries / row
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| 					 * in the map */
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| 	u16   row_cnt;			/* rows in each layout map */
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| 	u16   layout_map_count;		/* layout maps (1 map per mirror/parity
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| 					 * group) */
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| 	u16   flags;			/* Bit 0 set if encryption enabled */
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| #define RAID_MAP_FLAG_ENCRYPT_ON  0x01
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| 	u16   dekindex;			/* Data encryption key index. */
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| 	u8    reserved[16];
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| 	struct raid_map_disk_data data[RAID_MAP_MAX_ENTRIES];
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| };
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| 
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| struct ReportLUNdata {
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| 	u8 LUNListLength[4];
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| 	u8 extended_response_flag;
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| 	u8 reserved[3];
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| 	u8 LUN[HPSA_MAX_LUN][8];
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| };
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| 
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| struct ext_report_lun_entry {
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| 	u8 lunid[8];
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| 	u8 wwid[8];
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| 	u8 device_type;
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| 	u8 device_flags;
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| 	u8 lun_count; /* multi-lun device, how many luns */
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| 	u8 redundant_paths;
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| 	u32 ioaccel_handle; /* ioaccel1 only uses lower 16 bits */
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| };
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| 
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| struct ReportExtendedLUNdata {
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| 	u8 LUNListLength[4];
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| 	u8 extended_response_flag;
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| 	u8 reserved[3];
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| 	struct ext_report_lun_entry LUN[HPSA_MAX_LUN];
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| };
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| 
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| struct SenseSubsystem_info {
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| 	u8 reserved[36];
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| 	u8 portname[8];
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| 	u8 reserved1[1108];
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| };
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| 
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| /* BMIC commands */
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| #define BMIC_READ 0x26
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| #define BMIC_WRITE 0x27
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| #define BMIC_CACHE_FLUSH 0xc2
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| #define HPSA_CACHE_FLUSH 0x01	/* C2 was already being used by HPSA */
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| #define BMIC_FLASH_FIRMWARE 0xF7
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| #define BMIC_SENSE_CONTROLLER_PARAMETERS 0x64
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| 
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| /* Command List Structure */
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| union SCSI3Addr {
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| 	struct {
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| 		u8 Dev;
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| 		u8 Bus:6;
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| 		u8 Mode:2;        /* b00 */
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| 	} PeripDev;
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| 	struct {
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| 		u8 DevLSB;
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| 		u8 DevMSB:6;
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| 		u8 Mode:2;        /* b01 */
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| 	} LogDev;
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| 	struct {
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| 		u8 Dev:5;
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| 		u8 Bus:3;
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| 		u8 Targ:6;
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| 		u8 Mode:2;        /* b10 */
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| 	} LogUnit;
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| };
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| 
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| struct PhysDevAddr {
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| 	u32             TargetId:24;
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| 	u32             Bus:6;
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| 	u32             Mode:2;
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| 	/* 2 level target device addr */
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| 	union SCSI3Addr  Target[2];
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| };
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| 
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| struct LogDevAddr {
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| 	u32            VolId:30;
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| 	u32            Mode:2;
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| 	u8             reserved[4];
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| };
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| 
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| union LUNAddr {
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| 	u8               LunAddrBytes[8];
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| 	union SCSI3Addr    SCSI3Lun[4];
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| 	struct PhysDevAddr PhysDev;
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| 	struct LogDevAddr  LogDev;
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| };
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| 
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| struct CommandListHeader {
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| 	u8              ReplyQueue;
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| 	u8              SGList;
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| 	u16             SGTotal;
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| 	struct vals32     Tag;
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| 	union LUNAddr     LUN;
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| };
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| 
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| struct RequestBlock {
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| 	u8   CDBLen;
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| 	struct {
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| 		u8 Type:3;
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| 		u8 Attribute:3;
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| 		u8 Direction:2;
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| 	} Type;
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| 	u16  Timeout;
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| 	u8   CDB[16];
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| };
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| 
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| struct ErrDescriptor {
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| 	struct vals32 Addr;
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| 	u32  Len;
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| };
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| 
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| struct SGDescriptor {
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| 	struct vals32 Addr;
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| 	u32  Len;
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| 	u32  Ext;
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| };
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| 
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| union MoreErrInfo {
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| 	struct {
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| 		u8  Reserved[3];
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| 		u8  Type;
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| 		u32 ErrorInfo;
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| 	} Common_Info;
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| 	struct {
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| 		u8  Reserved[2];
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| 		u8  offense_size; /* size of offending entry */
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| 		u8  offense_num;  /* byte # of offense 0-base */
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| 		u32 offense_value;
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| 	} Invalid_Cmd;
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| };
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| struct ErrorInfo {
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| 	u8               ScsiStatus;
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| 	u8               SenseLen;
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| 	u16              CommandStatus;
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| 	u32              ResidualCnt;
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| 	union MoreErrInfo  MoreErrInfo;
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| 	u8               SenseInfo[SENSEINFOBYTES];
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| };
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| /* Command types */
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| #define CMD_IOCTL_PEND  0x01
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| #define CMD_SCSI	0x03
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| #define CMD_IOACCEL1	0x04
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| #define CMD_IOACCEL2	0x05
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| 
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| #define DIRECT_LOOKUP_SHIFT 5
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| #define DIRECT_LOOKUP_BIT 0x10
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| #define DIRECT_LOOKUP_MASK (~((1 << DIRECT_LOOKUP_SHIFT) - 1))
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| 
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| #define HPSA_ERROR_BIT          0x02
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| struct ctlr_info; /* defined in hpsa.h */
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| /* The size of this structure needs to be divisible by 32
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|  * on all architectures because low 5 bits of the addresses
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|  * are used as follows:
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|  *
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|  * bit 0: to device, used to indicate "performant mode" command
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|  *        from device, indidcates error status.
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|  * bit 1-3: to device, indicates block fetch table entry for
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|  *          reducing DMA in fetching commands from host memory.
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|  * bit 4: used to indicate whether tag is "direct lookup" (index),
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|  *        or a bus address.
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|  */
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| 
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| #define COMMANDLIST_ALIGNMENT 128
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| struct CommandList {
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| 	struct CommandListHeader Header;
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| 	struct RequestBlock      Request;
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| 	struct ErrDescriptor     ErrDesc;
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| 	struct SGDescriptor      SG[SG_ENTRIES_IN_CMD];
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| 	/* information associated with the command */
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| 	u32			   busaddr; /* physical addr of this record */
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| 	struct ErrorInfo *err_info; /* pointer to the allocated mem */
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| 	struct ctlr_info	   *h;
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| 	int			   cmd_type;
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| 	long			   cmdindex;
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| 	struct list_head list;
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| 	struct completion *waiting;
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| 	void   *scsi_cmd;
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| } __aligned(COMMANDLIST_ALIGNMENT);
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| 
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| /* Max S/G elements in I/O accelerator command */
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| #define IOACCEL1_MAXSGENTRIES           24
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| #define IOACCEL2_MAXSGENTRIES		28
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| 
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| /*
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|  * Structure for I/O accelerator (mode 1) commands.
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|  * Note that this structure must be 128-byte aligned in size.
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|  */
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| #define IOACCEL1_COMMANDLIST_ALIGNMENT 128
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| struct io_accel1_cmd {
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| 	u16 dev_handle;			/* 0x00 - 0x01 */
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| 	u8  reserved1;			/* 0x02 */
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| 	u8  function;			/* 0x03 */
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| 	u8  reserved2[8];		/* 0x04 - 0x0B */
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| 	u32 err_info;			/* 0x0C - 0x0F */
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| 	u8  reserved3[2];		/* 0x10 - 0x11 */
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| 	u8  err_info_len;		/* 0x12 */
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| 	u8  reserved4;			/* 0x13 */
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| 	u8  sgl_offset;			/* 0x14 */
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| 	u8  reserved5[7];		/* 0x15 - 0x1B */
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| 	u32 transfer_len;		/* 0x1C - 0x1F */
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| 	u8  reserved6[4];		/* 0x20 - 0x23 */
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| 	u16 io_flags;			/* 0x24 - 0x25 */
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| 	u8  reserved7[14];		/* 0x26 - 0x33 */
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| 	u8  LUN[8];			/* 0x34 - 0x3B */
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| 	u32 control;			/* 0x3C - 0x3F */
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| 	u8  CDB[16];			/* 0x40 - 0x4F */
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| 	u8  reserved8[16];		/* 0x50 - 0x5F */
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| 	u16 host_context_flags;		/* 0x60 - 0x61 */
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| 	u16 timeout_sec;		/* 0x62 - 0x63 */
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| 	u8  ReplyQueue;			/* 0x64 */
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| 	u8  reserved9[3];		/* 0x65 - 0x67 */
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| 	struct vals32 Tag;		/* 0x68 - 0x6F */
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| 	struct vals32 host_addr;	/* 0x70 - 0x77 */
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| 	u8  CISS_LUN[8];		/* 0x78 - 0x7F */
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| 	struct SGDescriptor SG[IOACCEL1_MAXSGENTRIES];
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| } __aligned(IOACCEL1_COMMANDLIST_ALIGNMENT);
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| 
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| #define IOACCEL1_FUNCTION_SCSIIO        0x00
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| #define IOACCEL1_SGLOFFSET              32
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| 
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| #define IOACCEL1_IOFLAGS_IO_REQ         0x4000
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| #define IOACCEL1_IOFLAGS_CDBLEN_MASK    0x001F
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| #define IOACCEL1_IOFLAGS_CDBLEN_MAX     16
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| 
 | |
| #define IOACCEL1_CONTROL_NODATAXFER     0x00000000
 | |
| #define IOACCEL1_CONTROL_DATA_OUT       0x01000000
 | |
| #define IOACCEL1_CONTROL_DATA_IN        0x02000000
 | |
| #define IOACCEL1_CONTROL_TASKPRIO_MASK  0x00007800
 | |
| #define IOACCEL1_CONTROL_TASKPRIO_SHIFT 11
 | |
| #define IOACCEL1_CONTROL_SIMPLEQUEUE    0x00000000
 | |
| #define IOACCEL1_CONTROL_HEADOFQUEUE    0x00000100
 | |
| #define IOACCEL1_CONTROL_ORDEREDQUEUE   0x00000200
 | |
| #define IOACCEL1_CONTROL_ACA            0x00000400
 | |
| 
 | |
| #define IOACCEL1_HCFLAGS_CISS_FORMAT    0x0013
 | |
| 
 | |
| #define IOACCEL1_BUSADDR_CMDTYPE        0x00000060
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| 
 | |
| struct ioaccel2_sg_element {
 | |
| 	u64 address;
 | |
| 	u32 length;
 | |
| 	u8 reserved[3];
 | |
| 	u8 chain_indicator;
 | |
| #define IOACCEL2_CHAIN 0x80
 | |
| };
 | |
| 
 | |
| /*
 | |
|  * SCSI Response Format structure for IO Accelerator Mode 2
 | |
|  */
 | |
| struct io_accel2_scsi_response {
 | |
| 	u8 IU_type;
 | |
| #define IOACCEL2_IU_TYPE_SRF			0x60
 | |
| 	u8 reserved1[3];
 | |
| 	u8 req_id[4];		/* request identifier */
 | |
| 	u8 reserved2[4];
 | |
| 	u8 serv_response;		/* service response */
 | |
| #define IOACCEL2_SERV_RESPONSE_COMPLETE		0x000
 | |
| #define IOACCEL2_SERV_RESPONSE_FAILURE		0x001
 | |
| #define IOACCEL2_SERV_RESPONSE_TMF_COMPLETE	0x002
 | |
| #define IOACCEL2_SERV_RESPONSE_TMF_SUCCESS	0x003
 | |
| #define IOACCEL2_SERV_RESPONSE_TMF_REJECTED	0x004
 | |
| #define IOACCEL2_SERV_RESPONSE_TMF_WRONG_LUN	0x005
 | |
| 	u8 status;			/* status */
 | |
| #define IOACCEL2_STATUS_SR_TASK_COMP_GOOD	0x00
 | |
| #define IOACCEL2_STATUS_SR_TASK_COMP_CHK_COND	0x02
 | |
| #define IOACCEL2_STATUS_SR_TASK_COMP_BUSY	0x08
 | |
| #define IOACCEL2_STATUS_SR_TASK_COMP_RES_CON	0x18
 | |
| #define IOACCEL2_STATUS_SR_TASK_COMP_SET_FULL	0x28
 | |
| #define IOACCEL2_STATUS_SR_TASK_COMP_ABORTED	0x40
 | |
| #define IOACCEL2_STATUS_SR_IOACCEL_DISABLED	0x0E
 | |
| 	u8 data_present;		/* low 2 bits */
 | |
| #define IOACCEL2_NO_DATAPRESENT		0x000
 | |
| #define IOACCEL2_RESPONSE_DATAPRESENT	0x001
 | |
| #define IOACCEL2_SENSE_DATA_PRESENT	0x002
 | |
| #define IOACCEL2_RESERVED		0x003
 | |
| 	u8 sense_data_len;		/* sense/response data length */
 | |
| 	u8 resid_cnt[4];		/* residual count */
 | |
| 	u8 sense_data_buff[32];		/* sense/response data buffer */
 | |
| };
 | |
| 
 | |
| /*
 | |
|  * Structure for I/O accelerator (mode 2 or m2) commands.
 | |
|  * Note that this structure must be 128-byte aligned in size.
 | |
|  */
 | |
| #define IOACCEL2_COMMANDLIST_ALIGNMENT 128
 | |
| struct io_accel2_cmd {
 | |
| 	u8  IU_type;			/* IU Type */
 | |
| 	u8  direction;			/* direction, memtype, and encryption */
 | |
| #define IOACCEL2_DIRECTION_MASK		0x03 /* bits 0,1: direction  */
 | |
| #define IOACCEL2_DIRECTION_MEMTYPE_MASK	0x04 /* bit 2: memtype source/dest */
 | |
| 					     /*     0b=PCIe, 1b=DDR */
 | |
| #define IOACCEL2_DIRECTION_ENCRYPT_MASK	0x08 /* bit 3: encryption flag */
 | |
| 					     /*     0=off, 1=on */
 | |
| 	u8  reply_queue;		/* Reply Queue ID */
 | |
| 	u8  reserved1;			/* Reserved */
 | |
| 	u32 scsi_nexus;			/* Device Handle */
 | |
| 	u32 Tag;			/* cciss tag, lower 4 bytes only */
 | |
| 	u32 tweak_lower;		/* Encryption tweak, lower 4 bytes */
 | |
| 	u8  cdb[16];			/* SCSI Command Descriptor Block */
 | |
| 	u8  cciss_lun[8];		/* 8 byte SCSI address */
 | |
| 	u32 data_len;			/* Total bytes to transfer */
 | |
| 	u8  cmd_priority_task_attr;	/* priority and task attrs */
 | |
| #define IOACCEL2_PRIORITY_MASK 0x78
 | |
| #define IOACCEL2_ATTR_MASK 0x07
 | |
| 	u8  sg_count;			/* Number of sg elements */
 | |
| 	u16 dekindex;			/* Data encryption key index */
 | |
| 	u64 err_ptr;			/* Error Pointer */
 | |
| 	u32 err_len;			/* Error Length*/
 | |
| 	u32 tweak_upper;		/* Encryption tweak, upper 4 bytes */
 | |
| 	struct ioaccel2_sg_element sg[IOACCEL2_MAXSGENTRIES];
 | |
| 	struct io_accel2_scsi_response error_data;
 | |
| } __aligned(IOACCEL2_COMMANDLIST_ALIGNMENT);
 | |
| 
 | |
| /*
 | |
|  * defines for Mode 2 command struct
 | |
|  * FIXME: this can't be all I need mfm
 | |
|  */
 | |
| #define IOACCEL2_IU_TYPE	0x40
 | |
| #define IOACCEL2_IU_TMF_TYPE	0x41
 | |
| #define IOACCEL2_DIR_NO_DATA	0x00
 | |
| #define IOACCEL2_DIR_DATA_IN	0x01
 | |
| #define IOACCEL2_DIR_DATA_OUT	0x02
 | |
| /*
 | |
|  * SCSI Task Management Request format for Accelerator Mode 2
 | |
|  */
 | |
| struct hpsa_tmf_struct {
 | |
| 	u8 iu_type;		/* Information Unit Type */
 | |
| 	u8 reply_queue;		/* Reply Queue ID */
 | |
| 	u8 tmf;			/* Task Management Function */
 | |
| 	u8 reserved1;		/* byte 3 Reserved */
 | |
| 	u32 it_nexus;		/* SCSI I-T Nexus */
 | |
| 	u8 lun_id[8];		/* LUN ID for TMF request */
 | |
| 	struct vals32 Tag;	/* cciss tag associated w/ request */
 | |
| 	struct vals32 abort_tag;/* cciss tag of SCSI cmd or task to abort */
 | |
| 	u64 error_ptr;		/* Error Pointer */
 | |
| 	u32 error_len;		/* Error Length */
 | |
| };
 | |
| 
 | |
| /* Configuration Table Structure */
 | |
| struct HostWrite {
 | |
| 	u32 TransportRequest;
 | |
| 	u32 command_pool_addr_hi;
 | |
| 	u32 CoalIntDelay;
 | |
| 	u32 CoalIntCount;
 | |
| };
 | |
| 
 | |
| #define SIMPLE_MODE     0x02
 | |
| #define PERFORMANT_MODE 0x04
 | |
| #define MEMQ_MODE       0x08
 | |
| #define IOACCEL_MODE_1  0x80
 | |
| 
 | |
| #define DRIVER_SUPPORT_UA_ENABLE        0x00000001
 | |
| 
 | |
| struct CfgTable {
 | |
| 	u8            Signature[4];
 | |
| 	u32		SpecValence;
 | |
| 	u32           TransportSupport;
 | |
| 	u32           TransportActive;
 | |
| 	struct 		HostWrite HostWrite;
 | |
| 	u32           CmdsOutMax;
 | |
| 	u32           BusTypes;
 | |
| 	u32           TransMethodOffset;
 | |
| 	u8            ServerName[16];
 | |
| 	u32           HeartBeat;
 | |
| 	u32           driver_support;
 | |
| #define			ENABLE_SCSI_PREFETCH 0x100
 | |
| #define			ENABLE_UNIT_ATTN 0x01
 | |
| 	u32	 	MaxScatterGatherElements;
 | |
| 	u32		MaxLogicalUnits;
 | |
| 	u32		MaxPhysicalDevices;
 | |
| 	u32		MaxPhysicalDrivesPerLogicalUnit;
 | |
| 	u32		MaxPerformantModeCommands;
 | |
| 	u32		MaxBlockFetch;
 | |
| 	u32		PowerConservationSupport;
 | |
| 	u32		PowerConservationEnable;
 | |
| 	u32		TMFSupportFlags;
 | |
| 	u8		TMFTagMask[8];
 | |
| 	u8		reserved[0x78 - 0x70];
 | |
| 	u32		misc_fw_support; /* offset 0x78 */
 | |
| #define			MISC_FW_DOORBELL_RESET (0x02)
 | |
| #define			MISC_FW_DOORBELL_RESET2 (0x010)
 | |
| #define			MISC_FW_RAID_OFFLOAD_BASIC (0x020)
 | |
| #define			MISC_FW_EVENT_NOTIFY (0x080)
 | |
| 	u8		driver_version[32];
 | |
| 	u32             max_cached_write_size;
 | |
| 	u8              driver_scratchpad[16];
 | |
| 	u32             max_error_info_length;
 | |
| 	u32		io_accel_max_embedded_sg_count;
 | |
| 	u32		io_accel_request_size_offset;
 | |
| 	u32		event_notify;
 | |
| #define HPSA_EVENT_NOTIFY_ACCEL_IO_PATH_STATE_CHANGE (1 << 30)
 | |
| #define HPSA_EVENT_NOTIFY_ACCEL_IO_PATH_CONFIG_CHANGE (1 << 31)
 | |
| 	u32		clear_event_notify;
 | |
| };
 | |
| 
 | |
| #define NUM_BLOCKFETCH_ENTRIES 8
 | |
| struct TransTable_struct {
 | |
| 	u32            BlockFetch[NUM_BLOCKFETCH_ENTRIES];
 | |
| 	u32            RepQSize;
 | |
| 	u32            RepQCount;
 | |
| 	u32            RepQCtrAddrLow32;
 | |
| 	u32            RepQCtrAddrHigh32;
 | |
| #define MAX_REPLY_QUEUES 64
 | |
| 	struct vals32  RepQAddr[MAX_REPLY_QUEUES];
 | |
| };
 | |
| 
 | |
| struct hpsa_pci_info {
 | |
| 	unsigned char	bus;
 | |
| 	unsigned char	dev_fn;
 | |
| 	unsigned short	domain;
 | |
| 	u32		board_id;
 | |
| };
 | |
| 
 | |
| #pragma pack()
 | |
| #endif /* HPSA_CMD_H */
 |