[SCSI] qla2xxx: Drop unused driver cruft.

- structure definitions.
- structure members.
- #define's.

Signed-off-by: Andrew Vasquez <andrew.vasquez@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>

9 files changed, 5 insertions, 170 deletions

diff --git a/drivers/scsi/qla2xxx/qla_dbg.c b/drivers/scsi/qla2xxx/qla_dbg.c
index 2d9b12ffe09c..e8120fb7f88e 100644
--- a/drivers/scsi/qla2xxx/qla_dbg.c
+++ b/drivers/scsi/qla2xxx/qla_dbg.c
@@ -1995,7 +1995,6 @@ qla2x00_print_scsi_cmd(struct scsi_cmnd * cmd)
                 return;
 
         printk("  sp flags=0x%x\n", sp->flags);
-        printk("  state=%d\n", sp->state);
 }
 
 void
diff --git a/drivers/scsi/qla2xxx/qla_def.h b/drivers/scsi/qla2xxx/qla_def.h
index 488124258e84..4bd67e9c2840 100644
--- a/drivers/scsi/qla2xxx/qla_def.h
+++ b/drivers/scsi/qla2xxx/qla_def.h
@@ -189,22 +189,13 @@ typedef struct srb {
 
         struct scsi_cmnd *cmd;          /* Linux SCSI command pkt */
 
-        struct timer_list timer;        /* Command timer */
-        atomic_t ref_count;     /* Reference count for this structure */
         uint16_t flags;
 
-        /* Request state */
-        uint16_t state;
-
         /* Single transfer DMA context */
         dma_addr_t dma_handle;
 
         uint32_t request_sense_length;
         uint8_t *request_sense_ptr;
-
-        /* SRB magic number */
-        uint16_t magic;
-#define SRB_MAGIC       0x10CB
 } srb_t;
 
 /*
@@ -226,21 +217,6 @@ typedef struct srb {
 #define SRB_TAPE                BIT_11  /* FCP2 (Tape) command. */
 
 /*
- * SRB state definitions
- */
-#define SRB_FREE_STATE          0       /*   returned back */
-#define SRB_PENDING_STATE       1       /*   queued in LUN Q */
-#define SRB_ACTIVE_STATE        2       /*   in Active Array */
-#define SRB_DONE_STATE          3       /*   queued in Done Queue */
-#define SRB_RETRY_STATE         4       /*   in Retry Queue */
-#define SRB_SUSPENDED_STATE     5       /*   in suspended state */
-#define SRB_NO_QUEUE_STATE      6       /*   is in between states */
-#define SRB_ACTIVE_TIMEOUT_STATE 7      /*   in Active Array but timed out */
-#define SRB_FAILOVER_STATE      8       /*   in Failover Queue */
-#define SRB_SCSI_RETRY_STATE    9       /*   in Scsi Retry Queue */
-
-
-/*
  * ISP I/O Register Set structure definitions.
  */
 struct device_reg_2xxx {
@@ -1516,62 +1492,6 @@ typedef struct {
 } sw_info_t;
 
 /*
- * Inquiry command structure.
- */
-#define INQ_DATA_SIZE   36
-
-/*
- * Inquiry mailbox IOCB packet definition.
- */
-typedef struct {
-        union {
-                cmd_a64_entry_t cmd;
-                sts_entry_t rsp;
-                struct cmd_type_7 cmd24;
-                struct sts_entry_24xx rsp24;
-        } p;
-        uint8_t inq[INQ_DATA_SIZE];
-} inq_cmd_rsp_t;
-
-/*
- * Report LUN command structure.
- */
-#define CHAR_TO_SHORT(a, b)     (uint16_t)((uint8_t)b << 8 | (uint8_t)a)
-
-typedef struct {
-        uint32_t len;
-        uint32_t rsrv;
-} rpt_hdr_t;
-
-typedef struct {
-        struct {
-                uint8_t b : 6;
-                uint8_t address_method : 2;
-        } msb;
-        uint8_t lsb;
-        uint8_t unused[6];
-} rpt_lun_t;
-
-typedef struct {
-        rpt_hdr_t hdr;
-        rpt_lun_t lst[MAX_LUNS];
-} rpt_lun_lst_t;
-
-/*
- * Report Lun mailbox IOCB packet definition.
- */
-typedef struct {
-        union {
-                cmd_a64_entry_t cmd;
-                sts_entry_t rsp;
-                struct cmd_type_7 cmd24;
-                struct sts_entry_24xx rsp24;
-        } p;
-        rpt_lun_lst_t list;
-} rpt_lun_cmd_rsp_t;
-
-
-/*
  * Fibre channel port type.
  */
  typedef enum {
@@ -1589,7 +1509,6 @@ typedef struct {
 typedef struct fc_port {
         struct list_head list;
         struct scsi_qla_host *ha;
-        struct scsi_qla_host *vis_ha;   /* only used when suspending lun */
 
         uint8_t node_name[WWN_SIZE];
         uint8_t port_name[WWN_SIZE];
@@ -1610,17 +1529,9 @@ typedef struct fc_port {
         int login_retry;
         atomic_t port_down_timer;
 
-        uint8_t device_type;
-        uint8_t unused;
-
-        uint8_t mp_byte;                /* multi-path byte (not used) */
-        uint8_t cur_path;               /* current path id */
-
         spinlock_t rport_lock;
         struct fc_rport *rport, *drport;
         u32 supported_classes;
-        struct work_struct rport_add_work;
-        struct work_struct rport_del_work;
 } fc_port_t;
 
 /*
@@ -2305,9 +2216,6 @@ typedef struct scsi_qla_host {
         uint32_t        current_outstanding_cmd;
         srb_t           *status_srb;    /* Status continuation entry. */
 
-        uint16_t           revision;
-        uint8_t           ports;
-
         /* ISP configuration data. */
         uint16_t        loop_id;                /* Host adapter loop id */
         uint16_t        fb_rev;
@@ -2397,9 +2305,6 @@ typedef struct scsi_qla_host {
         struct gid_list_info *gid_list;
         int             gid_list_info_size;
 
-        dma_addr_t      rlc_rsp_dma;
-        rpt_lun_cmd_rsp_t *rlc_rsp;
-
         /* Small DMA pool allocations -- maximum 256 bytes in length. */
 #define DMA_POOL_SIZE   256
         struct dma_pool *s_dma_pool;
@@ -2505,8 +2410,6 @@ typedef struct scsi_qla_host {
          test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags) || \
          atomic_read(&ha->loop_state) == LOOP_DOWN)
 
-#define TGT_Q(ha, t) (ha->otgt[t])
-
 #define to_qla_host(x)          ((scsi_qla_host_t *) (x)->hostdata)
 
 #define qla_printk(level, ha, format, arg...) \
@@ -2539,19 +2442,6 @@ typedef struct scsi_qla_host {
 #define QLA_RSCNS_HANDLED               0x108
 #define QLA_ALREADY_REGISTERED          0x109
 
-/*
-* Stat info for all adpaters
-*/
-struct _qla2x00stats  {
-        unsigned long   mboxtout;            /* mailbox timeouts */
-        unsigned long   mboxerr;             /* mailbox errors */
-        unsigned long   ispAbort;            /* ISP aborts */
-        unsigned long   debugNo;
-        unsigned long   loop_resync;
-        unsigned long   outarray_full;
-        unsigned long   retry_q_cnt;
-};
-
 #define NVRAM_DELAY()           udelay(10)
 
 #define INVALID_HANDLE  (MAX_OUTSTANDING_COMMANDS+1)
@@ -2567,12 +2457,6 @@ struct _qla2x00stats  {
 #include "qla_dbg.h"
 #include "qla_inline.h"
 
-/*
-* String arrays
-*/
-#define LINESIZE    256
-#define MAXARGS      26
-
 #define CMD_SP(Cmnd)            ((Cmnd)->SCp.ptr)
 #define CMD_COMPL_STATUS(Cmnd)  ((Cmnd)->SCp.this_residual)
 #define CMD_RESID_LEN(Cmnd)     ((Cmnd)->SCp.buffers_residual)
diff --git a/drivers/scsi/qla2xxx/qla_gbl.h b/drivers/scsi/qla2xxx/qla_gbl.h
index 91e83e2c1eb8..26d1181b3389 100644
--- a/drivers/scsi/qla2xxx/qla_gbl.h
+++ b/drivers/scsi/qla2xxx/qla_gbl.h
@@ -70,8 +70,6 @@ extern void qla2x00_sp_compl(scsi_qla_host_t *, srb_t *);
 
 extern char *qla2x00_get_fw_version_str(struct scsi_qla_host *, char *);
 
-extern void qla2x00_cmd_timeout(srb_t *);
-
 extern void qla2x00_mark_device_lost(scsi_qla_host_t *, fc_port_t *, int, int);
 extern void qla2x00_mark_all_devices_lost(scsi_qla_host_t *, int);
 
diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c
index b1b20f43d722..7e18b9c12654 100644
--- a/drivers/scsi/qla2xxx/qla_init.c
+++ b/drivers/scsi/qla2xxx/qla_init.c
@@ -194,7 +194,6 @@ qla2100_pci_config(scsi_qla_host_t *ha)
         mwi = 0;
         if (pci_set_mwi(ha->pdev))
                 mwi = PCI_COMMAND_INVALIDATE;
-        pci_read_config_word(ha->pdev, PCI_REVISION_ID, &ha->revision);
 
         pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
         w |= mwi | (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
@@ -232,7 +231,6 @@ qla2300_pci_config(scsi_qla_host_t *ha)
         mwi = 0;
         if (pci_set_mwi(ha->pdev))
                 mwi = PCI_COMMAND_INVALIDATE;
-        pci_read_config_word(ha->pdev, PCI_REVISION_ID, &ha->revision);
 
         pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
         w |= mwi | (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
@@ -320,7 +318,6 @@ qla24xx_pci_config(scsi_qla_host_t *ha)
         mwi = 0;
         if (pci_set_mwi(ha->pdev))
                 mwi = PCI_COMMAND_INVALIDATE;
-        pci_read_config_word(ha->pdev, PCI_REVISION_ID, &ha->revision);
 
         pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
         w |= mwi | (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
@@ -1675,14 +1672,6 @@ qla2x00_nvram_config(scsi_qla_host_t *ha)
 }
 
 static void
-qla2x00_rport_add(void *data)
-{
-        fc_port_t *fcport = data;
-
-        qla2x00_reg_remote_port(fcport->ha, fcport);
-}
-
-static void
 qla2x00_rport_del(void *data)
 {
         fc_port_t *fcport = data;
@@ -1724,8 +1713,6 @@ qla2x00_alloc_fcport(scsi_qla_host_t *ha, gfp_t flags)
         fcport->flags = FCF_RLC_SUPPORT;
         fcport->supported_classes = FC_COS_UNSPECIFIED;
         spin_lock_init(&fcport->rport_lock);
-        INIT_WORK(&fcport->rport_add_work, qla2x00_rport_add, fcport);
-        INIT_WORK(&fcport->rport_del_work, qla2x00_rport_del, fcport);
 
         return (fcport);
 }
@@ -2048,10 +2035,6 @@ qla2x00_update_fcport(scsi_qla_host_t *ha, fc_port_t *fcport)
             PORT_RETRY_TIME);
         fcport->flags &= ~FCF_LOGIN_NEEDED;
 
-        if (fcport->port_type == FCT_INITIATOR ||
-            fcport->port_type == FCT_BROADCAST)
-                fcport->device_type = TYPE_PROCESSOR;
-
         atomic_set(&fcport->state, FCS_ONLINE);
 
         if (ha->flags.init_done)
diff --git a/drivers/scsi/qla2xxx/qla_iocb.c b/drivers/scsi/qla2xxx/qla_iocb.c
index 8f0f4a298357..8c769cfaa14c 100644
--- a/drivers/scsi/qla2xxx/qla_iocb.c
+++ b/drivers/scsi/qla2xxx/qla_iocb.c
@@ -408,7 +408,6 @@ qla2x00_start_scsi(srb_t *sp)
                 ha->request_ring_ptr++;
 
         sp->flags |= SRB_DMA_VALID;
-        sp->state = SRB_ACTIVE_STATE;
 
         /* Set chip new ring index. */
         WRT_REG_WORD(ISP_REQ_Q_IN(ha, reg), ha->req_ring_index);
@@ -838,7 +837,6 @@ qla24xx_start_scsi(srb_t *sp)
                 ha->request_ring_ptr++;
 
         sp->flags |= SRB_DMA_VALID;
-        sp->state = SRB_ACTIVE_STATE;
 
         /* Set chip new ring index. */
         WRT_REG_DWORD(&reg->req_q_in, ha->req_ring_index);
diff --git a/drivers/scsi/qla2xxx/qla_isr.c b/drivers/scsi/qla2xxx/qla_isr.c
index 40325ec70056..39b5082eb3bc 100644
--- a/drivers/scsi/qla2xxx/qla_isr.c
+++ b/drivers/scsi/qla2xxx/qla_isr.c
@@ -844,8 +844,7 @@ qla2x00_status_entry(scsi_qla_host_t *ha, void *pkt)
         cp = sp->cmd;
         if (cp == NULL) {
                 DEBUG2(printk("scsi(%ld): Command already returned back to OS "
-                    "pkt->handle=%d sp=%p sp->state:%d\n",
-                    ha->host_no, sts->handle, sp, sp->state));
+                    "pkt->handle=%d sp=%p.\n", ha->host_no, sts->handle, sp));
                 qla_printk(KERN_WARNING, ha,
                     "Command is NULL: already returned to OS (sp=%p)\n", sp);
 
@@ -1189,7 +1188,7 @@ qla2x00_status_cont_entry(scsi_qla_host_t *ha, sts_cont_entry_t *pkt)
                 cp = sp->cmd;
                 if (cp == NULL) {
                         DEBUG2(printk("%s(): Cmd already returned back to OS "
-                            "sp=%p sp->state:%d\n", __func__, sp, sp->state));
+                            "sp=%p.\n", __func__, sp));
                         qla_printk(KERN_INFO, ha,
                             "cmd is NULL: already returned to OS (sp=%p)\n",
                             sp);
diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c
index fbf3b03aba6b..77e67e1429ee 100644
--- a/drivers/scsi/qla2xxx/qla_os.c
+++ b/drivers/scsi/qla2xxx/qla_os.c
@@ -340,7 +340,6 @@ qla2x00_get_new_sp(scsi_qla_host_t *ha, fc_port_t *fcport,
         if (!sp)
                 return sp;
 
-        atomic_set(&sp->ref_count, 1);
         sp->ha = ha;
         sp->fcport = fcport;
         sp->cmd = cmd;
@@ -634,9 +633,8 @@ qla2xxx_eh_abort(struct scsi_cmnd *cmd)
                 if (sp->cmd != cmd)
                         continue;
 
-                DEBUG2(printk("%s(%ld): aborting sp %p from RISC. pid=%ld "
-                    "sp->state=%x\n", __func__, ha->host_no, sp, serial,
-                    sp->state));
+                DEBUG2(printk("%s(%ld): aborting sp %p from RISC. pid=%ld.\n",
+                    __func__, ha->host_no, sp, serial));
                 DEBUG3(qla2x00_print_scsi_cmd(cmd);)
 
                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
@@ -1377,7 +1375,6 @@ int qla2x00_probe_one(struct pci_dev *pdev, struct qla_board_info *brd_info)
         spin_lock_init(&ha->hardware_lock);
 
         ha->prev_topology = 0;
-        ha->ports = MAX_BUSES;
         ha->init_cb_size = sizeof(init_cb_t);
         ha->mgmt_svr_loop_id = MANAGEMENT_SERVER;
         ha->link_data_rate = LDR_UNKNOWN;
@@ -1544,7 +1541,7 @@ int qla2x00_probe_one(struct pci_dev *pdev, struct qla_board_info *brd_info)
         host->cmd_per_lun = 3;
         host->unique_id = ha->instance;
         host->max_cmd_len = MAX_CMDSZ;
-        host->max_channel = ha->ports - 1;
+        host->max_channel = MAX_BUSES - 1;
         host->max_lun = MAX_LUNS;
         host->transportt = qla2xxx_transport_template;
 
@@ -1885,18 +1882,6 @@ qla2x00_mem_alloc(scsi_qla_host_t *ha)
                         continue;
                 }
 
-                ha->rlc_rsp = dma_alloc_coherent(&ha->pdev->dev,
-                    sizeof(rpt_lun_cmd_rsp_t), &ha->rlc_rsp_dma, GFP_KERNEL);
-                if (ha->rlc_rsp == NULL) {
-                        qla_printk(KERN_WARNING, ha,
-                                "Memory Allocation failed - rlc");
-
-                        qla2x00_mem_free(ha);
-                        msleep(100);
-
-                        continue;
-                }
-
                 snprintf(name, sizeof(name), "qla2xxx_%ld", ha->host_no);
                 ha->s_dma_pool = dma_pool_create(name, &ha->pdev->dev,
                     DMA_POOL_SIZE, 8, 0);
@@ -2072,11 +2057,6 @@ qla2x00_mem_free(scsi_qla_host_t *ha)
         if (ha->s_dma_pool)
                 dma_pool_destroy(ha->s_dma_pool);
 
-        if (ha->rlc_rsp)
-                dma_free_coherent(&ha->pdev->dev,
-                    sizeof(rpt_lun_cmd_rsp_t), ha->rlc_rsp,
-                    ha->rlc_rsp_dma);
-
         if (ha->gid_list)
                 dma_free_coherent(&ha->pdev->dev, GID_LIST_SIZE, ha->gid_list,
                     ha->gid_list_dma);
@@ -2104,8 +2084,6 @@ qla2x00_mem_free(scsi_qla_host_t *ha)
 
         ha->s_dma_pool = NULL;
 
-        ha->rlc_rsp = NULL;
-        ha->rlc_rsp_dma = 0;
         ha->gid_list = NULL;
         ha->gid_list_dma = 0;
 
@@ -2149,8 +2127,6 @@ qla2x00_mem_free(scsi_qla_host_t *ha)
  *
  * Context:
  *      Kernel context.
- *
- * Note: Sets the ref_count for non Null sp to one.
  */
 static int
 qla2x00_allocate_sp_pool(scsi_qla_host_t *ha)
diff --git a/drivers/scsi/qla2xxx/qla_rscn.c b/drivers/scsi/qla2xxx/qla_rscn.c
index b70bebe18c01..33e287b4f177 100644
--- a/drivers/scsi/qla2xxx/qla_rscn.c
+++ b/drivers/scsi/qla2xxx/qla_rscn.c
@@ -318,7 +318,6 @@ qla2x00_update_login_fcport(scsi_qla_host_t *ha, struct mbx_entry *mbxstat,
         fcport->flags &= ~FCF_FAILOVER_NEEDED;
         fcport->iodesc_idx_sent = IODESC_INVALID_INDEX;
         atomic_set(&fcport->state, FCS_ONLINE);
-        schedule_work(&fcport->rport_add_work);
 }
 
 
diff --git a/drivers/scsi/qla2xxx/qla_settings.h b/drivers/scsi/qla2xxx/qla_settings.h
index 363205c0e84f..249e4d90fdc5 100644
--- a/drivers/scsi/qla2xxx/qla_settings.h
+++ b/drivers/scsi/qla2xxx/qla_settings.h
@@ -16,7 +16,6 @@
 
 /* Max time to wait for the loop to be in LOOP_READY state */
 #define MAX_LOOP_TIMEOUT        (60 * 5)
-#define EH_ACTIVE               1       /* Error handler active */
 
 /*
  * Some vendor subsystems do not recover properly after a device reset.  Define