]> pilppa.com Git - linux-2.6-omap-h63xx.git/commitdiff
[SCSI] mptfusion - fc transport attributes
authorMichael Reed <mdr@sgi.com>
Fri, 13 Jan 2006 20:31:54 +0000 (14:31 -0600)
committerJames Bottomley <jejb@mulgrave.(none)>
Sat, 14 Jan 2006 16:55:02 +0000 (10:55 -0600)
Signed-off-by: Michael Reed <mdr@sgi.com>
Signed-off-by: Eric Moore <Eric.Moore@lsil.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
drivers/message/fusion/mptbase.c
drivers/message/fusion/mptbase.h
drivers/message/fusion/mptfc.c
drivers/message/fusion/mptscsih.c

index 80ec89c505d268959e97fa4f0ea6ead9963c703b..8c26f093fb65e8b2c67359b76978b26907999501 100644 (file)
@@ -148,7 +148,6 @@ static int  WaitForDoorbellAck(MPT_ADAPTER *ioc, int howlong, int sleepFlag);
 static int     WaitForDoorbellInt(MPT_ADAPTER *ioc, int howlong, int sleepFlag);
 static int     WaitForDoorbellReply(MPT_ADAPTER *ioc, int howlong, int sleepFlag);
 static int     GetLanConfigPages(MPT_ADAPTER *ioc);
-static int     GetFcPortPage0(MPT_ADAPTER *ioc, int portnum);
 static int     GetIoUnitPage2(MPT_ADAPTER *ioc);
 int            mptbase_sas_persist_operation(MPT_ADAPTER *ioc, u8 persist_opcode);
 static int     mpt_GetScsiPortSettings(MPT_ADAPTER *ioc, int portnum);
@@ -1244,6 +1243,8 @@ mpt_attach(struct pci_dev *pdev, const struct pci_device_id *id)
        ioc->pcidev = pdev;
        ioc->diagPending = 0;
        spin_lock_init(&ioc->diagLock);
+       spin_lock_init(&ioc->fc_rescan_work_lock);
+       spin_lock_init(&ioc->fc_rport_lock);
        spin_lock_init(&ioc->initializing_hba_lock);
 
        /* Initialize the event logging.
@@ -1267,6 +1268,10 @@ mpt_attach(struct pci_dev *pdev, const struct pci_device_id *id)
         */
        INIT_LIST_HEAD(&ioc->configQ);
 
+       /* Initialize the fc rport list head.
+        */
+       INIT_LIST_HEAD(&ioc->fc_rports);
+
        /* Find lookup slot. */
        INIT_LIST_HEAD(&ioc->list);
        ioc->id = mpt_ids++;
@@ -1879,7 +1884,7 @@ mpt_do_ioc_recovery(MPT_ADAPTER *ioc, u32 reason, int sleepFlag)
                         *  (FCPortPage0_t stuff)
                         */
                        for (ii=0; ii < ioc->facts.NumberOfPorts; ii++) {
-                               (void) GetFcPortPage0(ioc, ii);
+                               (void) mptbase_GetFcPortPage0(ioc, ii);
                        }
 
                        if ((ioc->pfacts[0].ProtocolFlags & MPI_PORTFACTS_PROTOCOL_LAN) &&
@@ -4198,7 +4203,7 @@ GetLanConfigPages(MPT_ADAPTER *ioc)
 
 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 /*
- *     GetFcPortPage0 - Fetch FCPort config Page0.
+ *     mptbase_GetFcPortPage0 - Fetch FCPort config Page0.
  *     @ioc: Pointer to MPT_ADAPTER structure
  *     @portnum: IOC Port number
  *
@@ -4208,8 +4213,8 @@ GetLanConfigPages(MPT_ADAPTER *ioc)
  *             -EAGAIN if no msg frames currently available
  *             -EFAULT for non-successful reply or no reply (timeout)
  */
-static int
-GetFcPortPage0(MPT_ADAPTER *ioc, int portnum)
+int
+mptbase_GetFcPortPage0(MPT_ADAPTER *ioc, int portnum)
 {
        ConfigPageHeader_t       hdr;
        CONFIGPARMS              cfg;
@@ -4219,6 +4224,8 @@ GetFcPortPage0(MPT_ADAPTER *ioc, int portnum)
        int                      data_sz;
        int                      copy_sz;
        int                      rc;
+       int                      count = 400;
+
 
        /* Get FCPort Page 0 header */
        hdr.PageVersion = 0;
@@ -4242,6 +4249,8 @@ GetFcPortPage0(MPT_ADAPTER *ioc, int portnum)
        rc = -ENOMEM;
        ppage0_alloc = (FCPortPage0_t *) pci_alloc_consistent(ioc->pcidev, data_sz, &page0_dma);
        if (ppage0_alloc) {
+
+ try_again:
                memset((u8 *)ppage0_alloc, 0, data_sz);
                cfg.physAddr = page0_dma;
                cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
@@ -4273,6 +4282,19 @@ GetFcPortPage0(MPT_ADAPTER *ioc, int portnum)
                        pp0dest->DiscoveredPortsCount = le32_to_cpu(pp0dest->DiscoveredPortsCount);
                        pp0dest->MaxInitiators = le32_to_cpu(pp0dest->MaxInitiators);
 
+                       /*
+                        * if still doing discovery,
+                        * hang loose a while until finished
+                        */
+                       if (pp0dest->PortState == MPI_FCPORTPAGE0_PORTSTATE_UNKNOWN) {
+                               if (count-- > 0) {
+                                       msleep_interruptible(100);
+                                       goto try_again;
+                               }
+                               printk(MYIOC_s_INFO_FMT "Firmware discovery not"
+                                                       " complete.\n",
+                                               ioc->name);
+                       }
                }
 
                pci_free_consistent(ioc->pcidev, data_sz, (u8 *) ppage0_alloc, page0_dma);
@@ -6357,6 +6379,7 @@ EXPORT_SYMBOL(mpt_alloc_fw_memory);
 EXPORT_SYMBOL(mpt_free_fw_memory);
 EXPORT_SYMBOL(mptbase_sas_persist_operation);
 EXPORT_SYMBOL(mpt_alt_ioc_wait);
+EXPORT_SYMBOL(mptbase_GetFcPortPage0);
 
 
 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
index 74355f2eca009835aab4b17466f44ca2b5ecd36f..25f44064b96c6eab81050340716ffe84dcaf5e46 100644 (file)
@@ -76,8 +76,8 @@
 #define COPYRIGHT      "Copyright (c) 1999-2005 " MODULEAUTHOR
 #endif
 
-#define MPT_LINUX_VERSION_COMMON       "3.03.05"
-#define MPT_LINUX_PACKAGE_NAME         "@(#)mptlinux-3.03.05"
+#define MPT_LINUX_VERSION_COMMON       "3.03.06"
+#define MPT_LINUX_PACKAGE_NAME         "@(#)mptlinux-3.03.06"
 #define WHAT_MAGIC_STRING              "@" "(" "#" ")"
 
 #define show_mptmod_ver(s,ver)  \
@@ -499,6 +499,22 @@ typedef    struct _RaidCfgData {
        int              isRaid;                /* bit field, 1 if RAID */
 }RaidCfgData;
 
+#define MPT_RPORT_INFO_FLAGS_REGISTERED        0x01    /* rport registered */
+#define MPT_RPORT_INFO_FLAGS_MISSING   0x02    /* missing from DevPage0 scan */
+#define MPT_RPORT_INFO_FLAGS_MAPPED_VDEV 0x04  /* target mapped in vdev */
+
+/*
+ * data allocated for each fc rport device
+ */
+struct mptfc_rport_info
+{
+       struct list_head list;
+       struct fc_rport *rport;
+       VirtDevice      *vdev;
+       FCDevicePage0_t pg0;
+       u8              flags;
+};
+
 /*
  *  Adapter Structure - pci_dev specific. Maximum: MPT_MAX_ADAPTERS
  */
@@ -614,6 +630,13 @@ typedef struct _MPT_ADAPTER
        struct list_head         sas_topology;
        struct mutex             sas_topology_mutex;
        MPT_SAS_MGMT             sas_mgmt;
+
+       struct list_head         fc_rports;
+       spinlock_t               fc_rport_lock; /* list and ri flags */
+       spinlock_t               fc_rescan_work_lock;
+       int                      fc_rescan_work_count;
+       struct work_struct       fc_rescan_work;
+
 } MPT_ADAPTER;
 
 /*
@@ -1000,6 +1023,7 @@ extern void        mpt_free_fw_memory(MPT_ADAPTER *ioc);
 extern int      mpt_findImVolumes(MPT_ADAPTER *ioc);
 extern int      mpt_read_ioc_pg_3(MPT_ADAPTER *ioc);
 extern int      mptbase_sas_persist_operation(MPT_ADAPTER *ioc, u8 persist_opcode);
+extern int      mptbase_GetFcPortPage0(MPT_ADAPTER *ioc, int portnum);
 extern int      mpt_alt_ioc_wait(MPT_ADAPTER *ioc);
 
 /*
index 5083a556a2584f1cdf8ec437d84b3ba22d0fbbd8..a380fe105a226121484a868f226b5d5b386f6ac3 100644 (file)
 #include <linux/reboot.h>      /* notifier code */
 #include <linux/sched.h>
 #include <linux/workqueue.h>
+#include <linux/sort.h>
 
 #include <scsi/scsi.h>
 #include <scsi/scsi_cmnd.h>
 #include <scsi/scsi_device.h>
 #include <scsi/scsi_host.h>
 #include <scsi/scsi_tcq.h>
+#include <scsi/scsi_transport_fc.h>
 
 #include "mptbase.h"
 #include "mptscsih.h"
@@ -79,19 +81,34 @@ static int mpt_pq_filter = 0;
 module_param(mpt_pq_filter, int, 0);
 MODULE_PARM_DESC(mpt_pq_filter, " Enable peripheral qualifier filter: enable=1  (default=0)");
 
+#define MPTFC_DEV_LOSS_TMO (60)
+static int mptfc_dev_loss_tmo = MPTFC_DEV_LOSS_TMO;    /* reasonable default */
+module_param(mptfc_dev_loss_tmo, int, 0);
+MODULE_PARM_DESC(mptfc_dev_loss_tmo, " Initial time the driver programs the "
+                                    " transport to wait for an rport to "
+                                    " return following a device loss event."
+                                    "  Default=60.");
+
 static int     mptfcDoneCtx = -1;
 static int     mptfcTaskCtx = -1;
 static int     mptfcInternalCtx = -1; /* Used only for internal commands */
 
+int mptfc_slave_alloc(struct scsi_device *device);
+static int mptfc_qcmd(struct scsi_cmnd *SCpnt,
+    void (*done)(struct scsi_cmnd *));
+
+static void mptfc_set_rport_loss_tmo(struct fc_rport *rport, uint32_t timeout);
+static void __devexit mptfc_remove(struct pci_dev *pdev);
+
 static struct scsi_host_template mptfc_driver_template = {
        .module                         = THIS_MODULE,
        .proc_name                      = "mptfc",
        .proc_info                      = mptscsih_proc_info,
        .name                           = "MPT FC Host",
        .info                           = mptscsih_info,
-       .queuecommand                   = mptscsih_qcmd,
+       .queuecommand                   = mptfc_qcmd,
        .target_alloc                   = mptscsih_target_alloc,
-       .slave_alloc                    = mptscsih_slave_alloc,
+       .slave_alloc                    = mptfc_slave_alloc,
        .slave_configure                = mptscsih_slave_configure,
        .target_destroy                 = mptscsih_target_destroy,
        .slave_destroy                  = mptscsih_slave_destroy,
@@ -132,15 +149,472 @@ static struct pci_device_id mptfc_pci_table[] = {
 };
 MODULE_DEVICE_TABLE(pci, mptfc_pci_table);
 
-/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
-/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
+static struct scsi_transport_template *mptfc_transport_template = NULL;
+
+struct fc_function_template mptfc_transport_functions = {
+       .dd_fcrport_size = 8,
+       .show_host_node_name = 1,
+       .show_host_port_name = 1,
+       .show_host_supported_classes = 1,
+       .show_host_port_id = 1,
+       .show_rport_supported_classes = 1,
+       .show_starget_node_name = 1,
+       .show_starget_port_name = 1,
+       .show_starget_port_id = 1,
+       .set_rport_dev_loss_tmo = mptfc_set_rport_loss_tmo,
+       .show_rport_dev_loss_tmo = 1,
+
+};
+
+/* FIXME! values controlling firmware RESCAN event
+ * need to be set low to allow dev_loss_tmo to
+ * work as expected.  Currently, firmware doesn't
+ * notify driver of RESCAN event until some number
+ * of seconds elapse.  This value can be set via
+ * lsiutil.
+ */
+static void
+mptfc_set_rport_loss_tmo(struct fc_rport *rport, uint32_t timeout)
+{
+       if (timeout > 0)
+               rport->dev_loss_tmo = timeout;
+       else
+               rport->dev_loss_tmo = mptfc_dev_loss_tmo;
+}
+
+static int
+mptfc_FcDevPage0_cmp_func(const void *a, const void *b)
+{
+       FCDevicePage0_t **aa = (FCDevicePage0_t **)a;
+       FCDevicePage0_t **bb = (FCDevicePage0_t **)b;
+
+       if ((*aa)->CurrentBus == (*bb)->CurrentBus) {
+               if ((*aa)->CurrentTargetID == (*bb)->CurrentTargetID)
+                       return 0;
+               if ((*aa)->CurrentTargetID < (*bb)->CurrentTargetID)
+                       return -1;
+               return 1;
+       }
+       if ((*aa)->CurrentBus < (*bb)->CurrentBus)
+               return -1;
+       return 1;
+}
+
+static int
+mptfc_GetFcDevPage0(MPT_ADAPTER *ioc, int ioc_port,
+       void(*func)(MPT_ADAPTER *ioc,int channel, FCDevicePage0_t *arg))
+{
+       ConfigPageHeader_t       hdr;
+       CONFIGPARMS              cfg;
+       FCDevicePage0_t         *ppage0_alloc, *fc;
+       dma_addr_t               page0_dma;
+       int                      data_sz;
+       int                      ii;
+
+       FCDevicePage0_t         *p0_array=NULL, *p_p0;
+       FCDevicePage0_t         **pp0_array=NULL, **p_pp0;
+
+       int                      rc = -ENOMEM;
+       U32                      port_id = 0xffffff;
+       int                      num_targ = 0;
+       int                      max_bus = ioc->facts.MaxBuses;
+       int                      max_targ = ioc->facts.MaxDevices;
+
+       if (max_bus == 0 || max_targ == 0)
+               goto out;
+
+       data_sz = sizeof(FCDevicePage0_t) * max_bus * max_targ;
+       p_p0 = p0_array =  kzalloc(data_sz, GFP_KERNEL);
+       if (!p0_array)
+               goto out;
+
+       data_sz = sizeof(FCDevicePage0_t *) * max_bus * max_targ;
+       p_pp0 = pp0_array = kzalloc(data_sz, GFP_KERNEL);
+       if (!pp0_array)
+               goto out;
+
+       do {
+               /* Get FC Device Page 0 header */
+               hdr.PageVersion = 0;
+               hdr.PageLength = 0;
+               hdr.PageNumber = 0;
+               hdr.PageType = MPI_CONFIG_PAGETYPE_FC_DEVICE;
+               cfg.cfghdr.hdr = &hdr;
+               cfg.physAddr = -1;
+               cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
+               cfg.dir = 0;
+               cfg.pageAddr = port_id;
+               cfg.timeout = 0;
+
+               if ((rc = mpt_config(ioc, &cfg)) != 0)
+                       break;
+
+               if (hdr.PageLength <= 0)
+                       break;
+
+               data_sz = hdr.PageLength * 4;
+               ppage0_alloc = pci_alloc_consistent(ioc->pcidev, data_sz,
+                                                       &page0_dma);
+               rc = -ENOMEM;
+               if (!ppage0_alloc)
+                       break;
+
+               cfg.physAddr = page0_dma;
+               cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
+
+               if ((rc = mpt_config(ioc, &cfg)) == 0) {
+                       ppage0_alloc->PortIdentifier =
+                               le32_to_cpu(ppage0_alloc->PortIdentifier);
+
+                       ppage0_alloc->WWNN.Low =
+                               le32_to_cpu(ppage0_alloc->WWNN.Low);
+
+                       ppage0_alloc->WWNN.High =
+                               le32_to_cpu(ppage0_alloc->WWNN.High);
+
+                       ppage0_alloc->WWPN.Low =
+                               le32_to_cpu(ppage0_alloc->WWPN.Low);
+
+                       ppage0_alloc->WWPN.High =
+                               le32_to_cpu(ppage0_alloc->WWPN.High);
+
+                       ppage0_alloc->BBCredit =
+                               le16_to_cpu(ppage0_alloc->BBCredit);
+
+                       ppage0_alloc->MaxRxFrameSize =
+                               le16_to_cpu(ppage0_alloc->MaxRxFrameSize);
+
+                       port_id = ppage0_alloc->PortIdentifier;
+                       num_targ++;
+                       *p_p0 = *ppage0_alloc;  /* save data */
+                       *p_pp0++ = p_p0++;      /* save addr */
+               }
+               pci_free_consistent(ioc->pcidev, data_sz,
+                                       (u8 *) ppage0_alloc, page0_dma);
+               if (rc != 0)
+                       break;
+
+       } while (port_id <= 0xff0000);
+
+       if (num_targ) {
+               /* sort array */
+               if (num_targ > 1)
+                       sort (pp0_array, num_targ, sizeof(FCDevicePage0_t *),
+                               mptfc_FcDevPage0_cmp_func, NULL);
+               /* call caller's func for each targ */
+               for (ii = 0; ii < num_targ;  ii++) {
+                       fc = *(pp0_array+ii);
+                       func(ioc, ioc_port, fc);
+               }
+       }
+
+ out:
+       if (pp0_array)
+               kfree(pp0_array);
+       if (p0_array)
+               kfree(p0_array);
+       return rc;
+}
+
+static int
+mptfc_generate_rport_ids(FCDevicePage0_t *pg0, struct fc_rport_identifiers *rid)
+{
+       /* not currently usable */
+       if (pg0->Flags & (MPI_FC_DEVICE_PAGE0_FLAGS_PLOGI_INVALID |
+                         MPI_FC_DEVICE_PAGE0_FLAGS_PRLI_INVALID))
+               return -1;
+
+       if (!(pg0->Flags & MPI_FC_DEVICE_PAGE0_FLAGS_TARGETID_BUS_VALID))
+               return -1;
+
+       if (!(pg0->Protocol & MPI_FC_DEVICE_PAGE0_PROT_FCP_TARGET))
+               return -1;
+
+       /*
+        * board data structure already normalized to platform endianness
+        * shifted to avoid unaligned access on 64 bit architecture
+        */
+       rid->node_name = ((u64)pg0->WWNN.High) << 32 | (u64)pg0->WWNN.Low;
+       rid->port_name = ((u64)pg0->WWPN.High) << 32 | (u64)pg0->WWPN.Low;
+       rid->port_id =   pg0->PortIdentifier;
+       rid->roles = FC_RPORT_ROLE_UNKNOWN;
+       rid->roles |= FC_RPORT_ROLE_FCP_TARGET;
+       if (pg0->Protocol & MPI_FC_DEVICE_PAGE0_PROT_FCP_INITIATOR)
+               rid->roles |= FC_RPORT_ROLE_FCP_INITIATOR;
+
+       return 0;
+}
+
+static void
+mptfc_register_dev(MPT_ADAPTER *ioc, int channel, FCDevicePage0_t *pg0)
+{
+       struct fc_rport_identifiers rport_ids;
+       struct fc_rport         *rport;
+       struct mptfc_rport_info *ri;
+       int                     match = 0;
+       u64                     port_name;
+       unsigned long           flags;
+
+       if (mptfc_generate_rport_ids(pg0, &rport_ids) < 0)
+               return;
+
+       /* scan list looking for a match */
+       spin_lock_irqsave(&ioc->fc_rport_lock, flags);
+       list_for_each_entry(ri, &ioc->fc_rports, list) {
+               port_name = (u64)ri->pg0.WWPN.High << 32 | (u64)ri->pg0.WWPN.Low;
+               if (port_name == rport_ids.port_name) { /* match */
+                       list_move_tail(&ri->list, &ioc->fc_rports);
+                       match = 1;
+                       break;
+               }
+       }
+       if (!match) {   /* allocate one */
+               spin_unlock_irqrestore(&ioc->fc_rport_lock, flags);
+               ri = kzalloc(sizeof(struct mptfc_rport_info), GFP_KERNEL);
+               if (!ri)
+                       return;
+               spin_lock_irqsave(&ioc->fc_rport_lock, flags);
+               list_add_tail(&ri->list, &ioc->fc_rports);
+       }
+
+       ri->pg0 = *pg0; /* add/update pg0 data */
+       ri->flags &= ~MPT_RPORT_INFO_FLAGS_MISSING;
+
+       if (!(ri->flags & MPT_RPORT_INFO_FLAGS_REGISTERED)) {
+               ri->flags |= MPT_RPORT_INFO_FLAGS_REGISTERED;
+               spin_unlock_irqrestore(&ioc->fc_rport_lock, flags);
+               rport = fc_remote_port_add(ioc->sh,channel, &rport_ids);
+               spin_lock_irqsave(&ioc->fc_rport_lock, flags);
+               if (rport) {
+                       if (*((struct mptfc_rport_info **)rport->dd_data) != ri) {
+                               ri->flags &= ~MPT_RPORT_INFO_FLAGS_MAPPED_VDEV;
+                               ri->vdev = NULL;
+                               ri->rport = rport;
+                               *((struct mptfc_rport_info **)rport->dd_data) = ri;
+                       }
+                       rport->dev_loss_tmo = mptfc_dev_loss_tmo;
+                       /*
+                        * if already mapped, remap here.  If not mapped,
+                        * slave_alloc will allocate vdev and map
+                        */
+                       if (ri->flags & MPT_RPORT_INFO_FLAGS_MAPPED_VDEV) {
+                               ri->vdev->target_id = ri->pg0.CurrentTargetID;
+                               ri->vdev->bus_id = ri->pg0.CurrentBus;
+                               ri->vdev->vtarget->target_id = ri->vdev->target_id;
+                               ri->vdev->vtarget->bus_id = ri->vdev->bus_id;
+                       }
+                       #ifdef MPT_DEBUG
+                       printk ("mptfc_reg_dev.%d: %x, %llx / %llx, tid %d, "
+                               "rport tid %d, tmo %d\n",
+                                       ioc->sh->host_no,
+                                       pg0->PortIdentifier,
+                                       pg0->WWNN,
+                                       pg0->WWPN,
+                                       pg0->CurrentTargetID,
+                                       ri->rport->scsi_target_id,
+                                       ri->rport->dev_loss_tmo);
+                       #endif
+               } else {
+                       list_del(&ri->list);
+                       kfree(ri);
+                       ri = NULL;
+               }
+       }
+       spin_unlock_irqrestore(&ioc->fc_rport_lock,flags);
+
+}
+
 /*
- *     mptfc_probe - Installs scsi devices per bus.
- *     @pdev: Pointer to pci_dev structure
- *
- *     Returns 0 for success, non-zero for failure.
- *
+ *     OS entry point to allow host driver to alloc memory
+ *     for each scsi device. Called once per device the bus scan.
+ *     Return non-zero if allocation fails.
+ *     Init memory once per LUN.
  */
+int
+mptfc_slave_alloc(struct scsi_device *sdev)
+{
+       MPT_SCSI_HOST           *hd;
+       VirtTarget              *vtarget;
+       VirtDevice              *vdev;
+       struct scsi_target      *starget;
+       struct fc_rport         *rport;
+       struct mptfc_rport_info *ri;
+       unsigned long           flags;
+
+
+       rport = starget_to_rport(scsi_target(sdev));
+
+       if (!rport || fc_remote_port_chkready(rport))
+               return -ENXIO;
+
+       hd = (MPT_SCSI_HOST *)sdev->host->hostdata;
+
+       vdev = kmalloc(sizeof(VirtDevice), GFP_KERNEL);
+       if (!vdev) {
+               printk(MYIOC_s_ERR_FMT "slave_alloc kmalloc(%zd) FAILED!\n",
+                               hd->ioc->name, sizeof(VirtDevice));
+               return -ENOMEM;
+       }
+       memset(vdev, 0, sizeof(VirtDevice));
+
+       spin_lock_irqsave(&hd->ioc->fc_rport_lock,flags);
+
+       if (!(ri = *((struct mptfc_rport_info **)rport->dd_data))) {
+               spin_unlock_irqrestore(&hd->ioc->fc_rport_lock,flags);
+               kfree(vdev);
+               return -ENODEV;
+       }
+
+       sdev->hostdata = vdev;
+       starget = scsi_target(sdev);
+       vtarget = starget->hostdata;
+       if (vtarget->num_luns == 0) {
+               vtarget->tflags = MPT_TARGET_FLAGS_Q_YES |
+                                 MPT_TARGET_FLAGS_VALID_INQUIRY;
+               hd->Targets[sdev->id] = vtarget;
+       }
+
+       vtarget->target_id = vdev->target_id;
+       vtarget->bus_id = vdev->bus_id;
+
+       vdev->vtarget = vtarget;
+       vdev->ioc_id = hd->ioc->id;
+       vdev->lun = sdev->lun;
+       vdev->target_id = ri->pg0.CurrentTargetID;
+       vdev->bus_id = ri->pg0.CurrentBus;
+
+       ri->flags |= MPT_RPORT_INFO_FLAGS_MAPPED_VDEV;
+       ri->vdev = vdev;
+
+       spin_unlock_irqrestore(&hd->ioc->fc_rport_lock,flags);
+
+       vtarget->num_luns++;
+
+#ifdef MPT_DEBUG
+       printk ("mptfc_slv_alloc.%d: num_luns %d, sdev.id %d, "
+               "CurrentTargetID %d, %x %llx %llx\n",
+                       sdev->host->host_no,
+                       vtarget->num_luns,
+                       sdev->id, ri->pg0.CurrentTargetID,
+                       ri->pg0.PortIdentifier, ri->pg0.WWPN, ri->pg0.WWNN);
+#endif
+
+       return 0;
+}
+
+static int
+mptfc_qcmd(struct scsi_cmnd *SCpnt, void (*done)(struct scsi_cmnd *))
+{
+       struct fc_rport *rport = starget_to_rport(scsi_target(SCpnt->device));
+       int             err;
+
+       err = fc_remote_port_chkready(rport);
+       if (unlikely(err)) {
+               SCpnt->result = err;
+               done(SCpnt);
+               return 0;
+       }
+       return mptscsih_qcmd(SCpnt,done);
+}
+
+static void
+mptfc_init_host_attr(MPT_ADAPTER *ioc,int portnum)
+{
+       unsigned class = 0, cos = 0;
+
+       /* don't know what to do as only one scsi (fc) host was allocated */
+       if (portnum != 0)
+               return;
+
+       class = ioc->fc_port_page0[portnum].SupportedServiceClass;
+       if (class & MPI_FCPORTPAGE0_SUPPORT_CLASS_1)
+               cos |= FC_COS_CLASS1;
+       if (class & MPI_FCPORTPAGE0_SUPPORT_CLASS_2)
+               cos |= FC_COS_CLASS2;
+       if (class & MPI_FCPORTPAGE0_SUPPORT_CLASS_3)
+               cos |= FC_COS_CLASS3;
+
+       fc_host_node_name(ioc->sh) =
+               (u64)ioc->fc_port_page0[portnum].WWNN.High << 32
+                   | (u64)ioc->fc_port_page0[portnum].WWNN.Low;
+
+       fc_host_port_name(ioc->sh) =
+               (u64)ioc->fc_port_page0[portnum].WWPN.High << 32
+                   | (u64)ioc->fc_port_page0[portnum].WWPN.Low;
+
+       fc_host_port_id(ioc->sh) = ioc->fc_port_page0[portnum].PortIdentifier;
+
+       fc_host_supported_classes(ioc->sh) = cos;
+
+       fc_host_tgtid_bind_type(ioc->sh) = FC_TGTID_BIND_BY_WWPN;
+}
+
+static void
+mptfc_rescan_devices(void *arg)
+{
+       MPT_ADAPTER             *ioc = (MPT_ADAPTER *)arg;
+       int                     ii;
+       int                     work_to_do;
+       unsigned long           flags;
+       struct mptfc_rport_info *ri;
+
+       do {
+               /* start by tagging all ports as missing */
+               spin_lock_irqsave(&ioc->fc_rport_lock,flags);
+               list_for_each_entry(ri, &ioc->fc_rports, list) {
+                       if (ri->flags & MPT_RPORT_INFO_FLAGS_REGISTERED) {
+                               ri->flags |= MPT_RPORT_INFO_FLAGS_MISSING;
+                       }
+               }
+               spin_unlock_irqrestore(&ioc->fc_rport_lock,flags);
+
+               /*
+                * now rescan devices known to adapter,
+                * will reregister existing rports
+                */
+               for (ii=0; ii < ioc->facts.NumberOfPorts; ii++) {
+                       (void) mptbase_GetFcPortPage0(ioc, ii);
+                       mptfc_init_host_attr(ioc,ii);   /* refresh */
+                       mptfc_GetFcDevPage0(ioc,ii,mptfc_register_dev);
+               }
+
+               /* delete devices still missing */
+               spin_lock_irqsave(&ioc->fc_rport_lock, flags);
+               list_for_each_entry(ri, &ioc->fc_rports, list) {
+                       /* if newly missing, delete it */
+                       if ((ri->flags & (MPT_RPORT_INFO_FLAGS_REGISTERED |
+                                         MPT_RPORT_INFO_FLAGS_MISSING))
+                         == (MPT_RPORT_INFO_FLAGS_REGISTERED |
+                             MPT_RPORT_INFO_FLAGS_MISSING)) {
+
+                               ri->flags &= ~(MPT_RPORT_INFO_FLAGS_REGISTERED|
+                                              MPT_RPORT_INFO_FLAGS_MISSING);
+                               fc_remote_port_delete(ri->rport);
+                               /*
+                                * remote port not really deleted 'cause
+                                * binding is by WWPN and driver only
+                                * registers FCP_TARGETs
+                                */
+                               #ifdef MPT_DEBUG
+                               printk ("mptfc_rescan.%d: %llx deleted\n",
+                                       ioc->sh->host_no, ri->pg0.WWPN);
+                               #endif
+                       }
+               }
+               spin_unlock_irqrestore(&ioc->fc_rport_lock,flags);
+
+               /*
+                * allow multiple passes as target state
+                * might have changed during scan
+                */
+               spin_lock_irqsave(&ioc->fc_rescan_work_lock, flags);
+               if (ioc->fc_rescan_work_count > 2)      /* only need one more */
+                       ioc->fc_rescan_work_count = 2;
+               work_to_do = --ioc->fc_rescan_work_count;
+               spin_unlock_irqrestore(&ioc->fc_rescan_work_lock, flags);
+       } while (work_to_do);
+}
+
 static int
 mptfc_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 {
@@ -154,10 +628,10 @@ mptfc_probe(struct pci_dev *pdev, const struct pci_device_id *id)
        int                      ioc_cap;
        int                     error=0;
        int                     r;
-               
+
        if ((r = mpt_attach(pdev,id)) != 0)
                return r;
-       
+
        ioc = pci_get_drvdata(pdev);
        ioc->DoneCtx = mptfcDoneCtx;
        ioc->TaskCtx = mptfcTaskCtx;
@@ -193,7 +667,7 @@ 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 0;
+               return -ENODEV;
        }
 
        sh = scsi_host_alloc(&mptfc_driver_template, sizeof(MPT_SCSI_HOST));
@@ -206,6 +680,8 @@ mptfc_probe(struct pci_dev *pdev, const struct pci_device_id *id)
                goto out_mptfc_probe;
         }
 
+       INIT_WORK(&ioc->fc_rescan_work, mptfc_rescan_devices,(void *)ioc);
+
        spin_lock_irqsave(&ioc->FreeQlock, flags);
 
        /* Attach the SCSI Host to the IOC structure
@@ -322,6 +798,7 @@ mptfc_probe(struct pci_dev *pdev, const struct pci_device_id *id)
        hd->scandv_wait_done = 0;
        hd->last_queue_full = 0;
 
+       sh->transportt = mptfc_transport_template;
        error = scsi_add_host (sh, &ioc->pcidev->dev);
        if(error) {
                dprintk((KERN_ERR MYNAM
@@ -329,7 +806,11 @@ mptfc_probe(struct pci_dev *pdev, const struct pci_device_id *id)
                goto out_mptfc_probe;
        }
 
-       scsi_scan_host(sh);
+       for (ii=0; ii < ioc->facts.NumberOfPorts; ii++) {
+               mptfc_init_host_attr(ioc,ii);
+               mptfc_GetFcDevPage0(ioc,ii,mptfc_register_dev);
+       }
+
        return 0;
 
 out_mptfc_probe:
@@ -342,7 +823,7 @@ static struct pci_driver mptfc_driver = {
        .name           = "mptfc",
        .id_table       = mptfc_pci_table,
        .probe          = mptfc_probe,
-       .remove         = __devexit_p(mptscsih_remove),
+       .remove         = __devexit_p(mptfc_remove),
        .shutdown       = mptscsih_shutdown,
 #ifdef CONFIG_PM
        .suspend        = mptscsih_suspend,
@@ -360,9 +841,20 @@ static struct pci_driver mptfc_driver = {
 static int __init
 mptfc_init(void)
 {
+       int error;
 
        show_mptmod_ver(my_NAME, my_VERSION);
 
+       /* sanity check module parameter */
+       if (mptfc_dev_loss_tmo == 0)
+               mptfc_dev_loss_tmo = MPTFC_DEV_LOSS_TMO;
+
+       mptfc_transport_template =
+               fc_attach_transport(&mptfc_transport_functions);
+
+       if (!mptfc_transport_template)
+               return -ENODEV;
+
        mptfcDoneCtx = mpt_register(mptscsih_io_done, MPTFC_DRIVER);
        mptfcTaskCtx = mpt_register(mptscsih_taskmgmt_complete, MPTFC_DRIVER);
        mptfcInternalCtx = mpt_register(mptscsih_scandv_complete, MPTFC_DRIVER);
@@ -377,7 +869,33 @@ mptfc_init(void)
                  ": Registered for IOC reset notifications\n"));
        }
 
-       return pci_register_driver(&mptfc_driver);
+       error = pci_register_driver(&mptfc_driver);
+       if (error) {
+               fc_release_transport(mptfc_transport_template);
+       }
+
+       return error;
+}
+
+/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
+/**
+ *     mptfc_remove - Removed fc infrastructure for devices
+ *     @pdev: Pointer to pci_dev structure
+ *
+ */
+static void __devexit mptfc_remove(struct pci_dev *pdev)
+{
+       MPT_ADAPTER *ioc = pci_get_drvdata(pdev);
+       struct mptfc_rport_info *p, *n;
+
+       fc_remove_host(ioc->sh);
+
+       list_for_each_entry_safe(p, n, &ioc->fc_rports, list) {
+               list_del(&p->list);
+               kfree(p);
+       }
+
+       mptscsih_remove(pdev);
 }
 
 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
@@ -390,7 +908,8 @@ static void __exit
 mptfc_exit(void)
 {
        pci_unregister_driver(&mptfc_driver);
-       
+       fc_release_transport(mptfc_transport_template);
+
        mpt_reset_deregister(mptfcDoneCtx);
        dprintk((KERN_INFO MYNAM
          ": Deregistered for IOC reset notifications\n"));
index 525d9aea2012eebf128f8b6361746270a8302782..cdac5578fdf220caefb48a3356710393558372ff 100644 (file)
@@ -893,6 +893,7 @@ mptscsih_flush_running_cmds(MPT_SCSI_HOST *hd)
  *             when a lun is disable by mid-layer.
  *             Do NOT access the referenced scsi_cmnd structure or
  *             members. Will cause either a paging or NULL ptr error.
+ *             (BUT, BUT, BUT, the code does reference it! - mdr)
  *      @hd: Pointer to a SCSI HOST structure
  *     @vdevice: per device private data
  *
@@ -2557,13 +2558,25 @@ mptscsih_ioc_reset(MPT_ADAPTER *ioc, int reset_phase)
                        hd->cmdPtr = NULL;
                }
 
-               /* 7. Set flag to force DV and re-read IOC Page 3
+               /* 7. SPI: Set flag to force DV and re-read IOC Page 3
                 */
                if (ioc->bus_type == SPI) {
                        ioc->spi_data.forceDv = MPT_SCSICFG_NEED_DV | MPT_SCSICFG_RELOAD_IOC_PG3;
                        ddvtprintk(("Set reload IOC Pg3 Flag\n"));
                }
 
+               /* 7. FC: Rescan for blocked rports which might have returned.
+                */
+               else if (ioc->bus_type == FC) {
+                       int work_count;
+                       unsigned long flags;
+
+                       spin_lock_irqsave(&ioc->fc_rescan_work_lock, flags);
+                       work_count = ++ioc->fc_rescan_work_count;
+                       spin_unlock_irqrestore(&ioc->fc_rescan_work_lock, flags);
+                       if (work_count == 1)
+                               schedule_work(&ioc->fc_rescan_work);
+               }
                dtmprintk((MYIOC_s_WARN_FMT "Post-Reset complete.\n", ioc->name));
 
        }
@@ -2587,6 +2600,8 @@ mptscsih_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *pEvReply)
 {
        MPT_SCSI_HOST *hd;
        u8 event = le32_to_cpu(pEvReply->Event) & 0xFF;
+       int work_count;
+       unsigned long flags;
 
        devtprintk((MYIOC_s_INFO_FMT "MPT event (=%02Xh) routed to SCSI host driver!\n",
                        ioc->name, event));
@@ -2608,11 +2623,18 @@ mptscsih_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *pEvReply)
                /* FIXME! */
                break;
 
+       case MPI_EVENT_RESCAN:                          /* 06 */
+               spin_lock_irqsave(&ioc->fc_rescan_work_lock, flags);
+               work_count = ++ioc->fc_rescan_work_count;
+               spin_unlock_irqrestore(&ioc->fc_rescan_work_lock, flags);
+               if (work_count == 1)
+                       schedule_work(&ioc->fc_rescan_work);
+               break;
+
                /*
                 *  CHECKME! Don't think we need to do
                 *  anything for these, but...
                 */
-       case MPI_EVENT_RESCAN:                          /* 06 */
        case MPI_EVENT_LINK_STATUS_CHANGE:              /* 07 */
        case MPI_EVENT_LOOP_STATE_CHANGE:               /* 08 */
                /*
@@ -3950,8 +3972,6 @@ mptscsih_synchronize_cache(MPT_SCSI_HOST *hd, VirtDevice *vdevice)
                mptscsih_do_cmd(hd, &iocmd);
 }
 
-/* Search IOC page 3 to determine if this is hidden physical disk
- */
 /* Search IOC page 3 to determine if this is hidden physical disk
  */
 static int