[SCSI] zfcp: (cleanup) removed superfluous macros, struct members, typedefs
[pandora-kernel.git] / drivers / s390 / scsi / zfcp_def.h
index 6eba56c..e93272f 100644 (file)
@@ -1,19 +1,8 @@
 /* 
- * 
- * linux/drivers/s390/scsi/zfcp_def.h
- * 
- * FCP adapter driver for IBM eServer zSeries 
- * 
- * (C) Copyright IBM Corp. 2002, 2004
+ * This file is part of the zfcp device driver for
+ * FCP adapters for IBM System z9 and zSeries.
  *
- * Author(s): Martin Peschke <mpeschke@de.ibm.com> 
- *            Raimund Schroeder <raimund.schroeder@de.ibm.com> 
- *            Aron Zeh
- *            Wolfgang Taphorn
- *            Stefan Bader <stefan.bader@de.ibm.com> 
- *            Heiko Carstens <heiko.carstens@de.ibm.com> 
- *            Andreas Herrmann <aherrman@de.ibm.com>
- *            Volker Sameske <sameske@de.ibm.com>
+ * (C) Copyright IBM Corp. 2002, 2006
  * 
  * This program is free software; you can redistribute it and/or modify 
  * it under the terms of the GNU General Public License as published by 
@@ -50,7 +39,6 @@
 #include <scsi/scsi_host.h>
 #include <scsi/scsi_transport.h>
 #include <scsi/scsi_transport_fc.h>
-#include "../../fc4/fc.h"
 #include "zfcp_fsf.h"
 #include <asm/ccwdev.h>
 #include <asm/qdio.h>
@@ -89,13 +77,9 @@ zfcp_address_to_sg(void *address, struct scatterlist *list)
        list->offset = ((unsigned long) address) & (PAGE_SIZE - 1);
 }
 
-/********************* SCSI SPECIFIC DEFINES *********************************/
+#define REQUEST_LIST_SIZE 128
 
-/* 32 bit for SCSI ID and LUN as long as the SCSI stack uses this type */
-typedef u32 scsi_id_t;
-typedef u32 scsi_lun_t;
-
-#define ZFCP_ERP_SCSI_LOW_MEM_TIMEOUT           (100*HZ)
+/********************* SCSI SPECIFIC DEFINES *********************************/
 #define ZFCP_SCSI_ER_TIMEOUT                    (100*HZ)
 
 /********************* CIO/QDIO SPECIFIC DEFINES *****************************/
@@ -233,8 +217,9 @@ struct fcp_rsp_iu {
 #define RSP_CODE_TASKMAN_FAILED         5
 
 /* see fc-fs */
-#define LS_FAN 0x60000000
-#define LS_RSCN 0x61040000
+#define LS_RSCN  0x61040000
+#define LS_LOGO  0x05000000
+#define LS_PLOGI 0x03000000
 
 struct fcp_rscn_head {
         u8  command;
@@ -263,13 +248,6 @@ struct fcp_rscn_element {
 #define ZFCP_NO_PORTS_PER_DOMAIN  0x10000
 #define ZFCP_NO_PORTS_PER_FABRIC  0x1000000
 
-struct fcp_fan {
-        u32 command;
-        u32 fport_did;
-        wwn_t fport_wwpn;
-        wwn_t fport_wwname;
-} __attribute__((packed));
-
 /* see fc-ph */
 struct fcp_logo {
         u32 command;
@@ -507,9 +485,6 @@ struct zfcp_rc_entry {
 
 #define ZFCP_NAME               "zfcp"
 
-/* read-only LUN sharing switch initial value */
-#define ZFCP_RO_LUN_SHARING_DEFAULTS 0
-
 /* independent log areas */
 #define ZFCP_LOG_AREA_OTHER    0
 #define ZFCP_LOG_AREA_SCSI     1
@@ -608,7 +583,6 @@ do { \
  * and unit
  */
 #define ZFCP_COMMON_FLAGS                      0xfff00000
-#define ZFCP_SPECIFIC_FLAGS                    0x000fffff
 
 /* common status bits */
 #define ZFCP_STATUS_COMMON_REMOVE              0x80000000
@@ -633,11 +607,6 @@ do { \
 #define ZFCP_STATUS_ADAPTER_LINK_UNPLUGGED     0x00000200
 #define ZFCP_STATUS_ADAPTER_XPORT_OK           0x00000800
 
-#define ZFCP_STATUS_ADAPTER_SCSI_UP                    \
-               (ZFCP_STATUS_COMMON_UNBLOCKED | \
-                ZFCP_STATUS_ADAPTER_REGISTERED)
-
-
 /* FC-PH/FC-GS well-known address identifiers for generic services */
 #define ZFCP_DID_MANAGEMENT_SERVICE            0xFFFFFA
 #define ZFCP_DID_TIME_SERVICE                  0xFFFFFB
@@ -652,7 +621,6 @@ do { \
 #define ZFCP_STATUS_PORT_NO_WWPN               0x00000008
 #define ZFCP_STATUS_PORT_NO_SCSI_ID            0x00000010
 #define ZFCP_STATUS_PORT_INVALID_WWPN          0x00000020
-#define ZFCP_STATUS_PORT_ACCESS_DENIED         0x00000040
 
 /* for ports with well known addresses */
 #define ZFCP_STATUS_PORT_WKA \
@@ -908,15 +876,12 @@ struct zfcp_adapter {
        wwn_t                   peer_wwpn;         /* P2P peer WWPN */
        u32                     peer_d_id;         /* P2P peer D_ID */
        struct ccw_device       *ccw_device;       /* S/390 ccw device */
-       u8                      fc_service_class;
        u32                     hydra_version;     /* Hydra version */
        u32                     fsf_lic_version;
        u32                     adapter_features;  /* FCP channel features */
        u32                     connection_features; /* host connection features */
         u32                    hardware_version;  /* of FCP channel */
        struct Scsi_Host        *scsi_host;        /* Pointer to mid-layer */
-       unsigned short          scsi_host_no;      /* Assigned host number */
-       unsigned char           name[9];
        struct list_head        port_list_head;    /* remote port list */
        struct list_head        port_remove_lh;    /* head of ports to be
                                                      removed */
@@ -1008,7 +973,7 @@ struct zfcp_unit {
                                                  refcount drop to zero */
        struct zfcp_port       *port;          /* remote port of unit */
        atomic_t               status;         /* status of this logical unit */
-       scsi_lun_t             scsi_lun;       /* own SCSI LUN */
+       unsigned int           scsi_lun;       /* own SCSI LUN */
        fcp_lun_t              fcp_lun;        /* own FCP_LUN */
        u32                    handle;         /* handle assigned by FSF */
         struct scsi_device     *device;        /* scsi device struct pointer */
@@ -1052,11 +1017,6 @@ struct zfcp_data {
        struct list_head        adapter_list_head;  /* head of adapter list */
        struct list_head        adapter_remove_lh;  /* head of adapters to be
                                                       removed */
-        rwlock_t                status_read_lock;   /* for status read thread */
-        struct list_head        status_read_receive_head;
-        struct list_head        status_read_send_head;
-        struct semaphore        status_read_sema;
-       wait_queue_head_t       status_read_thread_wqh;
        u32                     adapters;           /* # of adapters in list */
        rwlock_t                config_lock;        /* serialises changes
                                                       to adapter/port/unit
@@ -1095,9 +1055,6 @@ struct zfcp_fsf_req_pool_element {
 
 /********************** ZFCP SPECIFIC DEFINES ********************************/
 
-#define ZFCP_FSFREQ_CLEANUP_TIMEOUT    HZ/10
-
-#define ZFCP_KNOWN              0x00000001
 #define ZFCP_REQ_AUTO_CLEANUP  0x00000002
 #define ZFCP_WAIT_FOR_SBAL     0x00000004
 #define ZFCP_REQ_NO_QTCB       0x00000008
@@ -1105,9 +1062,6 @@ struct zfcp_fsf_req_pool_element {
 #define ZFCP_SET                0x00000100
 #define ZFCP_CLEAR              0x00000200
 
-#define ZFCP_INTERRUPTIBLE     1
-#define ZFCP_UNINTERRUPTIBLE   0
-
 #ifndef atomic_test_mask
 #define atomic_test_mask(mask, target) \
            ((atomic_read(target) & mask) == mask)