[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
James Bottomley
parent
5d947f2b76
commit
b5145d25f0
1 changed files with 75 additions and 3 deletions
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@ -45,6 +45,7 @@
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* This can be adjusted at runtime through sysfs device attributes.
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*/
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#define IPR_MAX_CMD_PER_LUN 6
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#define IPR_MAX_CMD_PER_ATA_LUN 1
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/*
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* IPR_NUM_BASE_CMD_BLKS: This defines the maximum number of
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@ -106,7 +107,7 @@
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#define IPR_IOA_BUS 0xff
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#define IPR_IOA_TARGET 0xff
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#define IPR_IOA_LUN 0xff
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#define IPR_MAX_NUM_BUSES 8
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#define IPR_MAX_NUM_BUSES 16
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#define IPR_MAX_BUS_TO_SCAN IPR_MAX_NUM_BUSES
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#define IPR_NUM_RESET_RELOAD_RETRIES 3
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@ -145,6 +146,7 @@
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#define IPR_LUN_RESET 0x40
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#define IPR_TARGET_RESET 0x20
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#define IPR_BUS_RESET 0x10
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#define IPR_ATA_PHY_RESET 0x80
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#define IPR_ID_HOST_RR_Q 0xC4
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#define IPR_QUERY_IOA_CONFIG 0xC5
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#define IPR_CANCEL_ALL_REQUESTS 0xCE
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@ -295,7 +297,11 @@ struct ipr_std_inq_data {
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}__attribute__ ((packed));
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struct ipr_config_table_entry {
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u8 service_level;
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u8 proto;
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#define IPR_PROTO_SATA 0x02
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#define IPR_PROTO_SATA_ATAPI 0x03
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#define IPR_PROTO_SAS_STP 0x06
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#define IPR_PROTO_SAS_STP_ATAPI 0x07
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u8 array_id;
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u8 flags;
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#define IPR_IS_IOA_RESOURCE 0x80
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@ -307,6 +313,7 @@ struct ipr_config_table_entry {
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#define IPR_SUBTYPE_AF_DASD 0
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#define IPR_SUBTYPE_GENERIC_SCSI 1
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#define IPR_SUBTYPE_VOLUME_SET 2
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#define IPR_SUBTYPE_GENERIC_ATA 4
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#define IPR_QUEUEING_MODEL(res) ((((res)->cfgte.flags) & 0x70) >> 4)
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#define IPR_QUEUE_FROZEN_MODEL 0
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@ -350,6 +357,7 @@ struct ipr_cmd_pkt {
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#define IPR_RQTYPE_SCSICDB 0x00
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#define IPR_RQTYPE_IOACMD 0x01
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#define IPR_RQTYPE_HCAM 0x02
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#define IPR_RQTYPE_ATA_PASSTHRU 0x04
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u8 luntar_luntrn;
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@ -373,6 +381,37 @@ struct ipr_cmd_pkt {
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__be16 timeout;
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}__attribute__ ((packed, aligned(4)));
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struct ipr_ioarcb_ata_regs {
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u8 flags;
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#define IPR_ATA_FLAG_PACKET_CMD 0x80
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#define IPR_ATA_FLAG_XFER_TYPE_DMA 0x40
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#define IPR_ATA_FLAG_STATUS_ON_GOOD_COMPLETION 0x20
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u8 reserved[3];
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__be16 data;
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u8 feature;
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u8 nsect;
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u8 lbal;
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u8 lbam;
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u8 lbah;
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u8 device;
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u8 command;
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u8 reserved2[3];
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u8 hob_feature;
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u8 hob_nsect;
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u8 hob_lbal;
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u8 hob_lbam;
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u8 hob_lbah;
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u8 ctl;
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}__attribute__ ((packed, aligned(4)));
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struct ipr_ioarcb_add_data {
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union {
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struct ipr_ioarcb_ata_regs regs;
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__be32 add_cmd_parms[10];
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}u;
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}__attribute__ ((packed, aligned(4)));
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/* IOA Request Control Block 128 bytes */
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struct ipr_ioarcb {
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__be32 ioarcb_host_pci_addr;
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@ -397,7 +436,7 @@ struct ipr_ioarcb {
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struct ipr_cmd_pkt cmd_pkt;
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__be32 add_cmd_parms_len;
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__be32 add_cmd_parms[10];
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struct ipr_ioarcb_add_data add_data;
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}__attribute__((packed, aligned (4)));
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struct ipr_ioadl_desc {
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@ -433,6 +472,21 @@ struct ipr_ioasa_gpdd {
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__be32 ioa_data[2];
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}__attribute__((packed, aligned (4)));
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struct ipr_ioasa_gata {
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u8 error;
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u8 nsect; /* Interrupt reason */
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u8 lbal;
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u8 lbam;
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u8 lbah;
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u8 device;
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u8 status;
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u8 alt_status; /* ATA CTL */
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u8 hob_nsect;
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u8 hob_lbal;
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u8 hob_lbam;
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u8 hob_lbah;
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}__attribute__((packed, aligned (4)));
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struct ipr_auto_sense {
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__be16 auto_sense_len;
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__be16 ioa_data_len;
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@ -466,6 +520,7 @@ struct ipr_ioasa {
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__be32 ioasc_specific; /* status code specific field */
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#define IPR_ADDITIONAL_STATUS_FMT 0x80000000
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#define IPR_AUTOSENSE_VALID 0x40000000
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#define IPR_ATA_DEVICE_WAS_RESET 0x20000000
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#define IPR_IOASC_SPECIFIC_MASK 0x00ffffff
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#define IPR_FIELD_POINTER_VALID (0x80000000 >> 8)
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#define IPR_FIELD_POINTER_MASK 0x0000ffff
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@ -474,6 +529,7 @@ struct ipr_ioasa {
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struct ipr_ioasa_vset vset;
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struct ipr_ioasa_af_dasd dasd;
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struct ipr_ioasa_gpdd gpdd;
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struct ipr_ioasa_gata gata;
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} u;
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struct ipr_auto_sense auto_sense;
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@ -1307,6 +1363,22 @@ static inline int ipr_is_scsi_disk(struct ipr_resource_entry *res)
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return 0;
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}
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/**
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* ipr_is_gata - Determine if a resource is a generic ATA resource
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* @res: resource entry struct
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*
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* Return value:
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* 1 if GATA / 0 if not GATA
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**/
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static inline int ipr_is_gata(struct ipr_resource_entry *res)
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{
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if (!ipr_is_ioa_resource(res) &&
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IPR_RES_SUBTYPE(res) == IPR_SUBTYPE_GENERIC_ATA)
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return 1;
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else
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return 0;
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}
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/**
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* ipr_is_naca_model - Determine if a resource is using NACA queueing model
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* @res: resource entry struct
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