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Commit b5145d25 authored by Brian King's avatar Brian King Committed by James Bottomley
Browse files

[SCSI] ipr: Add some hardware defined types for SATA 



Add some hardware defined types for SATA. This is required
by future patches to add SATA support to ipr.

Signed-off-by: default avatarBrian King <brking@us.ibm.com>
Signed-off-by: default avatarJames Bottomley <James.Bottomley@SteelEye.com>
parent 5d947f2b

drivers/scsi/ipr.h

+75 −3
Original line number Diff line number Diff line
@@ -45,6 +45,7 @@ 
 *	This can be adjusted at runtime through sysfs device attributes.

 */

#define IPR_MAX_CMD_PER_LUN				6

#define IPR_MAX_CMD_PER_ATA_LUN			1



/*

 * IPR_NUM_BASE_CMD_BLKS: This defines the maximum number of
@@ -106,7 +107,7 @@ 
#define IPR_IOA_BUS						0xff

#define IPR_IOA_TARGET					0xff

#define IPR_IOA_LUN						0xff

#define IPR_MAX_NUM_BUSES				8

#define IPR_MAX_NUM_BUSES				16

#define IPR_MAX_BUS_TO_SCAN				IPR_MAX_NUM_BUSES



#define IPR_NUM_RESET_RELOAD_RETRIES		3
@@ -145,6 +146,7 @@ 
#define	IPR_LUN_RESET					0x40

#define	IPR_TARGET_RESET					0x20

#define	IPR_BUS_RESET					0x10

#define	IPR_ATA_PHY_RESET					0x80

#define IPR_ID_HOST_RR_Q				0xC4

#define IPR_QUERY_IOA_CONFIG				0xC5

#define IPR_CANCEL_ALL_REQUESTS			0xCE
@@ -295,7 +297,11 @@ struct ipr_std_inq_data { 
}__attribute__ ((packed));



struct ipr_config_table_entry {

	u8 service_level;

	u8 proto;

#define IPR_PROTO_SATA			0x02

#define IPR_PROTO_SATA_ATAPI		0x03

#define IPR_PROTO_SAS_STP		0x06

#define IPR_PROTO_SAS_STP_ATAPI	0x07

	u8 array_id;

	u8 flags;

#define IPR_IS_IOA_RESOURCE	0x80
@@ -307,6 +313,7 @@ struct ipr_config_table_entry { 
#define IPR_SUBTYPE_AF_DASD			0

#define IPR_SUBTYPE_GENERIC_SCSI	1

#define IPR_SUBTYPE_VOLUME_SET		2

#define IPR_SUBTYPE_GENERIC_ATA	4



#define IPR_QUEUEING_MODEL(res)	((((res)->cfgte.flags) & 0x70) >> 4)

#define IPR_QUEUE_FROZEN_MODEL	0
@@ -350,6 +357,7 @@ struct ipr_cmd_pkt { 
#define IPR_RQTYPE_SCSICDB		0x00

#define IPR_RQTYPE_IOACMD		0x01

#define IPR_RQTYPE_HCAM			0x02

#define IPR_RQTYPE_ATA_PASSTHRU	0x04



	u8 luntar_luntrn;
@@ -373,6 +381,37 @@ struct ipr_cmd_pkt { 
	__be16 timeout;

}__attribute__ ((packed, aligned(4)));



struct ipr_ioarcb_ata_regs {

	u8 flags;

#define IPR_ATA_FLAG_PACKET_CMD			0x80

#define IPR_ATA_FLAG_XFER_TYPE_DMA			0x40

#define IPR_ATA_FLAG_STATUS_ON_GOOD_COMPLETION	0x20

	u8 reserved[3];



	__be16 data;

	u8 feature;

	u8 nsect;

	u8 lbal;

	u8 lbam;

	u8 lbah;

	u8 device;

	u8 command;

	u8 reserved2[3];

	u8 hob_feature;

	u8 hob_nsect;

	u8 hob_lbal;

	u8 hob_lbam;

	u8 hob_lbah;

	u8 ctl;

}__attribute__ ((packed, aligned(4)));



struct ipr_ioarcb_add_data {

	union {

		struct ipr_ioarcb_ata_regs regs;

		__be32 add_cmd_parms[10];

	}u;

}__attribute__ ((packed, aligned(4)));



/* IOA Request Control Block    128 bytes  */

struct ipr_ioarcb {

	__be32 ioarcb_host_pci_addr;
@@ -397,7 +436,7 @@ struct ipr_ioarcb { 
	struct ipr_cmd_pkt cmd_pkt;



	__be32 add_cmd_parms_len;

	__be32 add_cmd_parms[10];

	struct ipr_ioarcb_add_data add_data;

}__attribute__((packed, aligned (4)));



struct ipr_ioadl_desc {
@@ -433,6 +472,21 @@ struct ipr_ioasa_gpdd { 
	__be32 ioa_data[2];

}__attribute__((packed, aligned (4)));



struct ipr_ioasa_gata {

	u8 error;

	u8 nsect;		/* Interrupt reason */

	u8 lbal;

	u8 lbam;

	u8 lbah;

	u8 device;

	u8 status;

	u8 alt_status;	/* ATA CTL */

	u8 hob_nsect;

	u8 hob_lbal;

	u8 hob_lbam;

	u8 hob_lbah;

}__attribute__((packed, aligned (4)));



struct ipr_auto_sense {

	__be16 auto_sense_len;

	__be16 ioa_data_len;
@@ -466,6 +520,7 @@ struct ipr_ioasa { 
	__be32 ioasc_specific;	/* status code specific field */

#define IPR_ADDITIONAL_STATUS_FMT		0x80000000

#define IPR_AUTOSENSE_VALID			0x40000000

#define IPR_ATA_DEVICE_WAS_RESET		0x20000000

#define IPR_IOASC_SPECIFIC_MASK		0x00ffffff

#define IPR_FIELD_POINTER_VALID		(0x80000000 >> 8)

#define IPR_FIELD_POINTER_MASK		0x0000ffff
@@ -474,6 +529,7 @@ struct ipr_ioasa { 
		struct ipr_ioasa_vset vset;

		struct ipr_ioasa_af_dasd dasd;

		struct ipr_ioasa_gpdd gpdd;

		struct ipr_ioasa_gata gata;

	} u;



	struct ipr_auto_sense auto_sense;
@@ -1307,6 +1363,22 @@ static inline int ipr_is_scsi_disk(struct ipr_resource_entry *res) 
		return 0;

}



/**

 * ipr_is_gata - Determine if a resource is a generic ATA resource

 * @res:	resource entry struct

 *

 * Return value:

 * 	1 if GATA / 0 if not GATA

 **/

static inline int ipr_is_gata(struct ipr_resource_entry *res)

{

	if (!ipr_is_ioa_resource(res) &&

	    IPR_RES_SUBTYPE(res) == IPR_SUBTYPE_GENERIC_ATA)

		return 1;

	else

		return 0;

}



/**

 * ipr_is_naca_model - Determine if a resource is using NACA queueing model

 * @res:	resource entry struct