[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>

1 files changed, 75 insertions, 3 deletions

diff --git a/drivers/scsi/ipr.h b/drivers/scsi/ipr.h
index 1ad24df69d70..1e9c1227fdae 100644
--- a/drivers/scsi/ipr.h
+++ b/drivers/scsi/ipr.h
@@ -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;
@@ -1308,6 +1364,22 @@ static inline int ipr_is_scsi_disk(struct ipr_resource_entry *res)
 }
 
 /**
+ * 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
  *