Merge branch 'master' into for_paulus

[linux-drm-fsl-dcu.git] / drivers / message / fusion / mptfc.c

diff --git a/drivers/message/fusion/mptfc.c b/drivers/message/fusion/mptfc.c
index c819c23b55b1aeb3ca477fd6c689c9cbc0134ff3..b7d4c7265ec66ec226b04e5b6120b6b1c48e316c 100644 (file)
--- a/drivers/message/fusion/mptfc.c
+++ b/drivers/message/fusion/mptfc.c
@@ -4,7 +4,7 @@
  *      running LSI Logic Fusion MPT (Message Passing Technology) firmware.
  *
  *  Copyright (c) 1999-2007 LSI Logic Corporation
- *  (mailto:mpt_linux_developer@lsil.com)
+ *  (mailto:mpt_linux_developer@lsi.com)
  *
  */
 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
@@ -86,6 +86,12 @@ MODULE_PARM_DESC(mptfc_dev_loss_tmo, " Initial time the driver programs the "
                                     " return following a device loss event."
                                     "  Default=60.");
 
+/* scsi-mid layer global parmeter is max_report_luns, which is 511 */
+#define MPTFC_MAX_LUN (16895)
+static int max_lun = MPTFC_MAX_LUN;
+module_param(max_lun, int, 0);
+MODULE_PARM_DESC(max_lun, " max lun, default=16895 ");
+
 static int     mptfcDoneCtx = -1;
 static int     mptfcTaskCtx = -1;
 static int     mptfcInternalCtx = -1; /* Used only for internal commands */
@@ -292,10 +298,9 @@ mptfc_GetFcDevPage0(MPT_ADAPTER *ioc, int ioc_port,
        U32                      port_id = 0xffffff;
        int                      num_targ = 0;
        int                      max_bus = ioc->facts.MaxBuses;
-       int                      max_targ = ioc->facts.MaxDevices;
+       int                      max_targ;
 
-       if (max_bus == 0 || max_targ == 0)
-               goto out;
+       max_targ = (ioc->facts.MaxDevices == 0) ? 256 : ioc->facts.MaxDevices;
 
        data_sz = sizeof(FCDevicePage0_t) * max_bus * max_targ;
        p_p0 = p0_array =  kzalloc(data_sz, GFP_KERNEL);
@@ -467,8 +472,8 @@ mptfc_register_dev(MPT_ADAPTER *ioc, int channel, FCDevicePage0_t *pg0)
                        if (ri->starget) {
                                vtarget = ri->starget->hostdata;
                                if (vtarget) {
-                                       vtarget->target_id = pg0->CurrentTargetID;
-                                       vtarget->bus_id = pg0->CurrentBus;
+                                       vtarget->id = pg0->CurrentTargetID;
+                                       vtarget->channel = pg0->CurrentBus;
                                }
                        }
                        *((struct mptfc_rport_info **)rport->dd_data) = ri;
@@ -540,8 +545,8 @@ mptfc_target_alloc(struct scsi_target *starget)
        if (rport) {
                ri = *((struct mptfc_rport_info **)rport->dd_data);
                if (ri) {       /* better be! */
-                       vtarget->target_id = ri->pg0.CurrentTargetID;
-                       vtarget->bus_id = ri->pg0.CurrentBus;
+                       vtarget->id = ri->pg0.CurrentTargetID;
+                       vtarget->channel = ri->pg0.CurrentBus;
                        ri->starget = starget;
                        rc = 0;
                }
@@ -592,7 +597,6 @@ mptfc_slave_alloc(struct scsi_device *sdev)
        if (vtarget->num_luns == 0) {
                vtarget->ioc_id = hd->ioc->id;
                vtarget->tflags = MPT_TARGET_FLAGS_Q_YES;
-               hd->Targets[sdev->id] = vtarget;
        }
 
        vdev->vtarget = vtarget;
@@ -630,16 +634,17 @@ mptfc_qcmd(struct scsi_cmnd *SCpnt, void (*done)(struct scsi_cmnd *))
        struct mptfc_rport_info *ri;
        struct fc_rport *rport = starget_to_rport(scsi_target(SCpnt->device));
        int             err;
+       VirtDevice      *vdev = SCpnt->device->hostdata;
 
-       err = fc_remote_port_chkready(rport);
-       if (unlikely(err)) {
-               SCpnt->result = err;
+       if (!vdev || !vdev->vtarget) {
+               SCpnt->result = DID_NO_CONNECT << 16;
                done(SCpnt);
                return 0;
        }
 
-       if (!SCpnt->device->hostdata) { /* vdev */
-               SCpnt->result = DID_NO_CONNECT << 16;
+       err = fc_remote_port_chkready(rport);
+       if (unlikely(err)) {
+               SCpnt->result = err;
                done(SCpnt);
                return 0;
        }
@@ -1143,7 +1148,7 @@ mptfc_probe(struct pci_dev *pdev, const struct pci_device_id *id)
                printk(MYIOC_s_WARN_FMT
                        "Skipping ioc=%p because SCSI Initiator mode is NOT enabled!\n",
                        ioc->name, ioc);
-               return -ENODEV;
+               return 0;
        }
 
        sh = scsi_host_alloc(&mptfc_driver_template, sizeof(MPT_SCSI_HOST));
@@ -1173,10 +1178,9 @@ mptfc_probe(struct pci_dev *pdev, const struct pci_device_id *id)
        /* set 16 byte cdb's */
        sh->max_cmd_len = 16;
 
-       sh->max_id = MPT_MAX_FC_DEVICES<256 ? MPT_MAX_FC_DEVICES : 255;
+       sh->max_id = ioc->pfacts->MaxDevices;
+       sh->max_lun = max_lun;
 
-       sh->max_lun = MPT_LAST_LUN + 1;
-       sh->max_channel = 0;
        sh->this_id = ioc->pfacts[0].PortSCSIID;
 
        /* Required entry.
@@ -1230,19 +1234,6 @@ mptfc_probe(struct pci_dev *pdev, const struct pci_device_id *id)
        dprintk((MYIOC_s_INFO_FMT "ScsiLookup @ %p\n",
                 ioc->name, hd->ScsiLookup));
 
-       /* Allocate memory for the device structures.
-        * A non-Null pointer at an offset
-        * indicates a device exists.
-        * max_id = 1 + maximum id (hosts.h)
-        */
-       hd->Targets = kcalloc(sh->max_id, sizeof(void *), GFP_ATOMIC);
-       if (!hd->Targets) {
-               error = -ENOMEM;
-               goto out_mptfc_probe;
-       }
-
-       dprintk((KERN_INFO "  vdev @ %p\n", hd->Targets));
-
        /* Clear the TM flags
         */
        hd->tmPending = 0;