]> git.karo-electronics.de Git - karo-tx-linux.git/blobdiff - drivers/s390/scsi/zfcp_def.h
[SCSI] zfcp: Simplify zfcp data structures
[karo-tx-linux.git] / drivers / s390 / scsi / zfcp_def.h
index cbbfd875d93983ee713a8faec08bf232e7aaadcf..7fa8937c8c58d52a5377d874567912514c009f66 100644 (file)
@@ -412,14 +412,9 @@ struct zfcp_wka_port {
 };
 
 struct zfcp_qdio_queue {
-       struct qdio_buffer *sbal[QDIO_MAX_BUFFERS_PER_Q]; /* SBALs */
-       u8                 first;             /* index of next free bfr
-                                                in queue (free_count>0) */
-       atomic_t           count;             /* number of free buffers
-                                                in queue */
-       spinlock_t         lock;              /* lock for operations on queue */
-       int                pci_batch;         /* SBALs since PCI indication
-                                                was last set */
+       struct qdio_buffer *sbal[QDIO_MAX_BUFFERS_PER_Q];
+       u8                 first;       /* index of next free bfr in queue */
+       atomic_t           count;       /* number of free buffers in queue */
 };
 
 struct zfcp_erp_action {
@@ -471,13 +466,13 @@ struct zfcp_adapter {
        u16                     timer_ticks;       /* time int for a tick */
        struct Scsi_Host        *scsi_host;        /* Pointer to mid-layer */
        struct list_head        port_list_head;    /* remote port list */
-       struct list_head        port_remove_lh;    /* head of ports to be
-                                                     removed */
-       u32                     ports;             /* number of remote ports */
        unsigned long           req_no;            /* unique FSF req number */
        struct list_head        *req_list;         /* list of pending reqs */
        spinlock_t              req_list_lock;     /* request list lock */
        struct zfcp_qdio_queue  req_q;             /* request queue */
+       spinlock_t              req_q_lock;        /* for operations on queue */
+       int                     req_q_pci_batch;   /* SBALs since PCI indication
+                                                     was last set */
        u32                     fsf_req_seq_no;    /* FSF cmnd seq number */
        wait_queue_head_t       request_wq;        /* can be used to wait for
                                                      more avaliable SBALs */
@@ -516,7 +511,6 @@ struct zfcp_adapter {
        struct zfcp_scsi_dbf_record     scsi_dbf_buf;
        struct zfcp_adapter_mempool     pool;      /* Adapter memory pools */
        struct qdio_initialize  qdio_init_data;    /* for qdio_establish */
-       struct device           generic_services;  /* directory for WKA ports */
        struct fc_host_statistics *fc_stats;
        struct fsf_qtcb_bottom_port *stats_reset_data;
        unsigned long           stats_reset;
@@ -533,9 +527,6 @@ struct zfcp_port {
                                                  refcount drop to zero */
        struct zfcp_adapter    *adapter;       /* adapter used to access port */
        struct list_head       unit_list_head; /* head of logical unit list */
-       struct list_head       unit_remove_lh; /* head of luns to be removed
-                                                 list */
-       u32                    units;          /* # of logical units in list */
        atomic_t               status;         /* status of this remote port */
        u64                    wwnn;           /* WWNN if known */
        u64                    wwpn;           /* WWPN */
@@ -556,7 +547,6 @@ struct zfcp_unit {
                                                  refcount drop to zero */
        struct zfcp_port       *port;          /* remote port of unit */
        atomic_t               status;         /* status of this logical unit */
-       unsigned int           scsi_lun;       /* own SCSI LUN */
        u64                    fcp_lun;        /* own FCP_LUN */
        u32                    handle;         /* handle assigned by FSF */
         struct scsi_device     *device;        /* scsi device struct pointer */
@@ -599,11 +589,7 @@ struct zfcp_fsf_req {
 struct zfcp_data {
        struct scsi_host_template scsi_host_template;
        struct scsi_transport_template *scsi_transport_template;
-        atomic_t                status;             /* Module status flags */
        struct list_head        adapter_list_head;  /* head of adapter list */
-       struct list_head        adapter_remove_lh;  /* head of adapters to be
-                                                      removed */
-       u32                     adapters;           /* # of adapters in list */
        rwlock_t                config_lock;        /* serialises changes
                                                       to adapter/port/unit
                                                       lists */