[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: Brian King <brking@us.ibm.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
This commit is contained in:
Brian King 2006-08-02 14:57:36 -05:00 committed by James Bottomley
parent 5d947f2b76
commit b5145d25f0
1 changed files with 75 additions and 3 deletions

View File

@ -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